Initial commit

.gitignore

@@ -0,0 +1,13 @@
+.idea
+*.iml
+**/msvc/Debug*
+**/msvc/Release*
+**/msvc/*.sdf
+**/msvc/*.opensdf
+**/msvc/*.user
+**/msvc/*.suo
+**/msvc/*.aps
+**/msvc/ipch
+**/PublishPath*.txt
+**/Server*.bat
+**/*.log

common/IGameServerData.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include "maintypes.h"
+#include "interface.h"
+
+class IGameServerData : public IBaseInterface {
+public:
+	virtual ~IGameServerData() { };
+
+	virtual void WriteDataRequest(const void *buffer, int bufferSize) = 0;
+
+	virtual int ReadDataResponse(void *data, int len) = 0;
+};
+
+#define GAMESERVERDATA_INTERFACE_VERSION "GameServerData001"

common/Sequence.h

@@ -0,0 +1,201 @@
+//---------------------------------------------------------------------------
+// 
+//		S c r i p t e d   S e q u e n c e s
+// 
+//---------------------------------------------------------------------------
+#ifndef _INCLUDE_SEQUENCE_H_
+#define _INCLUDE_SEQUENCE_H_
+
+
+#ifndef _DEF_BYTE_
+typedef unsigned char byte;
+#endif
+
+//---------------------------------------------------------------------------
+// client_textmessage_t
+//---------------------------------------------------------------------------
+typedef struct client_textmessage_s
+{
+	int		effect;
+	byte	r1, g1, b1, a1;		// 2 colors for effects
+	byte	r2, g2, b2, a2;
+	float	x;
+	float	y;
+	float	fadein;
+	float	fadeout;
+	float	holdtime;
+	float	fxtime;
+	const char *pName;
+	const char *pMessage;
+} client_textmessage_t;
+
+
+//--------------------------------------------------------------------------
+// sequenceDefaultBits_e
+//	
+// Enumerated list of possible modifiers for a command.  This enumeration
+// is used in a bitarray controlling what modifiers are specified for a command.
+//---------------------------------------------------------------------------
+enum sequenceModifierBits
+{
+	SEQUENCE_MODIFIER_EFFECT_BIT		= (1 << 1),
+	SEQUENCE_MODIFIER_POSITION_BIT		= (1 << 2),
+	SEQUENCE_MODIFIER_COLOR_BIT			= (1 << 3),
+	SEQUENCE_MODIFIER_COLOR2_BIT		= (1 << 4),
+	SEQUENCE_MODIFIER_FADEIN_BIT		= (1 << 5),
+	SEQUENCE_MODIFIER_FADEOUT_BIT		= (1 << 6),
+	SEQUENCE_MODIFIER_HOLDTIME_BIT		= (1 << 7),
+	SEQUENCE_MODIFIER_FXTIME_BIT		= (1 << 8),
+	SEQUENCE_MODIFIER_SPEAKER_BIT		= (1 << 9),
+	SEQUENCE_MODIFIER_LISTENER_BIT		= (1 << 10),
+	SEQUENCE_MODIFIER_TEXTCHANNEL_BIT	= (1 << 11),
+};
+typedef enum sequenceModifierBits sequenceModifierBits_e ;
+
+
+//---------------------------------------------------------------------------
+// sequenceCommandEnum_e
+// 
+// Enumerated sequence command types.
+//---------------------------------------------------------------------------
+enum sequenceCommandEnum_
+{
+	SEQUENCE_COMMAND_ERROR = -1,
+	SEQUENCE_COMMAND_PAUSE = 0,
+	SEQUENCE_COMMAND_FIRETARGETS,
+	SEQUENCE_COMMAND_KILLTARGETS,
+	SEQUENCE_COMMAND_TEXT,
+	SEQUENCE_COMMAND_SOUND,
+	SEQUENCE_COMMAND_GOSUB,
+	SEQUENCE_COMMAND_SENTENCE,
+	SEQUENCE_COMMAND_REPEAT,
+	SEQUENCE_COMMAND_SETDEFAULTS,
+	SEQUENCE_COMMAND_MODIFIER,
+	SEQUENCE_COMMAND_POSTMODIFIER,
+	SEQUENCE_COMMAND_NOOP,
+
+	SEQUENCE_MODIFIER_EFFECT,
+	SEQUENCE_MODIFIER_POSITION,
+	SEQUENCE_MODIFIER_COLOR,
+	SEQUENCE_MODIFIER_COLOR2,
+	SEQUENCE_MODIFIER_FADEIN,
+	SEQUENCE_MODIFIER_FADEOUT,
+	SEQUENCE_MODIFIER_HOLDTIME,
+	SEQUENCE_MODIFIER_FXTIME,
+	SEQUENCE_MODIFIER_SPEAKER,
+	SEQUENCE_MODIFIER_LISTENER,
+	SEQUENCE_MODIFIER_TEXTCHANNEL,
+};
+typedef enum sequenceCommandEnum_ sequenceCommandEnum_e;
+
+
+//---------------------------------------------------------------------------
+// sequenceCommandType_e
+// 
+// Typeerated sequence command types.
+//---------------------------------------------------------------------------
+enum sequenceCommandType_
+{
+	SEQUENCE_TYPE_COMMAND,
+	SEQUENCE_TYPE_MODIFIER,
+};
+typedef enum sequenceCommandType_ sequenceCommandType_e;
+
+
+//---------------------------------------------------------------------------
+// sequenceCommandMapping_s
+// 
+// A mapping of a command enumerated-value to its name.
+//---------------------------------------------------------------------------
+typedef struct sequenceCommandMapping_ sequenceCommandMapping_s;
+struct sequenceCommandMapping_
+{
+	sequenceCommandEnum_e	commandEnum;
+	const char*				commandName;
+	sequenceCommandType_e	commandType;
+};
+
+
+//---------------------------------------------------------------------------
+// sequenceCommandLine_s
+// 
+// Structure representing a single command (usually 1 line) from a
+//	.SEQ file entry.
+//---------------------------------------------------------------------------
+typedef struct sequenceCommandLine_ sequenceCommandLine_s;
+struct sequenceCommandLine_
+{
+	int						commandType;		// Specifies the type of command
+	client_textmessage_t	clientMessage;		// Text HUD message struct
+	char*					speakerName;		// Targetname of speaking entity
+	char*					listenerName;		// Targetname of entity being spoken to
+	char*					soundFileName;		// Name of sound file to play
+	char*					sentenceName;		// Name of sentences.txt to play
+	char*					fireTargetNames;	// List of targetnames to fire
+	char*					killTargetNames;	// List of targetnames to remove
+	float					delay;				// Seconds 'till next command
+	int						repeatCount;		// If nonzero, reset execution pointer to top of block (N times, -1 = infinite)
+	int						textChannel;		// Display channel on which text message is sent
+	int						modifierBitField;	// Bit field to specify what clientmessage fields are valid
+	sequenceCommandLine_s*	nextCommandLine;	// Next command (linked list)
+};
+
+
+//---------------------------------------------------------------------------
+// sequenceEntry_s
+// 
+// Structure representing a single command (usually 1 line) from a
+//	.SEQ file entry.
+//---------------------------------------------------------------------------
+typedef struct sequenceEntry_ sequenceEntry_s;
+struct sequenceEntry_
+{
+	char*					fileName;		// Name of sequence file without .SEQ extension
+	char*					entryName;		// Name of entry label in file
+	sequenceCommandLine_s*	firstCommand;	// Linked list of commands in entry
+	sequenceEntry_s*		nextEntry;		// Next loaded entry
+	qboolean				isGlobal;		// Is entry retained over level transitions?
+};
+
+
+
+//---------------------------------------------------------------------------
+// sentenceEntry_s
+// Structure representing a single sentence of a group from a .SEQ
+// file entry.  Sentences are identical to entries in sentences.txt, but
+// can be unique per level and are loaded/unloaded with the level.
+//---------------------------------------------------------------------------
+typedef struct sentenceEntry_ sentenceEntry_s;
+struct sentenceEntry_
+{
+	char*					data;			// sentence data (ie "We have hostiles" )
+	sentenceEntry_s*		nextEntry;		// Next loaded entry
+	qboolean				isGlobal;		// Is entry retained over level transitions?
+	unsigned int			index;			// this entry's position in the file.
+};
+
+//--------------------------------------------------------------------------
+// sentenceGroupEntry_s
+// Structure representing a group of sentences found in a .SEQ file.
+// A sentence group is defined by all sentences with the same name, ignoring
+// the number at the end of the sentence name.  Groups enable a sentence
+// to be picked at random across a group.
+//--------------------------------------------------------------------------
+typedef struct sentenceGroupEntry_ sentenceGroupEntry_s;
+struct sentenceGroupEntry_
+{
+	char*					groupName;		// name of the group (ie CT_ALERT )
+	unsigned int			numSentences;	// number of sentences in group
+	sentenceEntry_s*		firstSentence;	// head of linked list of sentences in group
+	sentenceGroupEntry_s*	nextEntry;		// next loaded group
+};
+
+//---------------------------------------------------------------------------
+// Function declarations
+//---------------------------------------------------------------------------
+sequenceEntry_s* SequenceGet( const char* fileName, const char* entryName );
+void Sequence_ParseFile( const char* fileName, qboolean isGlobal );
+void Sequence_OnLevelLoad( const char* mapName );
+sentenceEntry_s* SequencePickSentence( const char *groupName, int pickMethod, int *picked );
+
+#endif // _INCLUDE_SEQUENCE_H_

common/SteamCommon.h

@@ -0,0 +1,703 @@
+
+//========= Copyright Valve Corporation, All rights reserved. ============//
+/*
+** The copyright to the contents herein is the property of Valve Corporation.
+** The contents may be used and/or copied only with the written permission of
+** Valve, or in accordance with the terms and conditions stipulated in
+** the agreement/contract under which the contents have been supplied.
+**
+*******************************************************************************
+**
+** Contents:
+**
+**		Common types used in the Steam DLL interface.
+**
+**		This file is distributed to Steam application developers.
+**
+**		
+**
+*******************************************************************************/
+
+#ifndef INCLUDED_STEAM_COMMON_STEAMCOMMON_H
+#define INCLUDED_STEAM_COMMON_STEAMCOMMON_H
+
+#if defined(_MSC_VER) && (_MSC_VER > 1000)
+#pragma once
+#endif
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/* Applications should not define STEAM_EXPORTS. */
+
+#if defined ( _WIN32 )
+
+#ifdef STEAM_EXPORTS
+#define STEAM_API __declspec(dllexport)
+#else
+#define STEAM_API __declspec(dllimport)
+#endif
+
+#define STEAM_CALL __cdecl
+
+#else
+
+#define STEAM_API /* */
+#define STEAM_CALL /* */
+
+#endif
+
+typedef void (STEAM_CALL *KeyValueIteratorCallback_t )(const char *Key, const char *Val, void *pvParam);
+
+
+/******************************************************************************
+**
+** Exported macros and constants
+**
+******************************************************************************/
+
+/* DEPRECATED -- these are ignored now, all API access is granted on SteamStartup */
+#define STEAM_USING_FILESYSTEM							(0x00000001)
+#define STEAM_USING_LOGGING								(0x00000002)
+#define STEAM_USING_USERID								(0x00000004)
+#define STEAM_USING_ACCOUNT								(0x00000008)
+#define STEAM_USING_ALL									(0x0000000f)
+/* END DEPRECATED */
+
+#define STEAM_MAX_PATH									(255)
+#define STEAM_QUESTION_MAXLEN							(255)
+#define STEAM_SALT_SIZE									(8)
+#define STEAM_PROGRESS_PERCENT_SCALE					(0x00001000)
+
+/* These are maximum significant string lengths, excluding nul-terminator. */
+#define STEAM_CARD_NUMBER_SIZE							(17)
+#define STEAM_CARD_HOLDERNAME_SIZE						(100)
+#define STEAM_CARD_EXPYEAR_SIZE							(4)
+#define STEAM_CARD_EXPMONTH_SIZE						(2)
+#define STEAM_CARD_CVV2_SIZE							(5)
+#define STEAM_BILLING_ADDRESS1_SIZE						(128)
+#define STEAM_BILLING_ADDRESS2_SIZE						(128)
+#define STEAM_BILLING_CITY_SIZE							(50)
+#define STEAM_BILLING_ZIP_SIZE							(16)
+#define STEAM_BILLING_STATE_SIZE						(32)
+#define STEAM_BILLING_COUNTRY_SIZE						(32)
+#define STEAM_BILLING_PHONE_SIZE						(20)
+#define STEAM_BILLING_EMAIL_ADDRESS_SIZE				(100)
+#define STEAM_TYPE_OF_PROOF_OF_PURCHASE_SIZE			(20)
+#define STEAM_PROOF_OF_PURCHASE_TOKEN_SIZE				(200)
+#define STEAM_EXTERNAL_ACCOUNTNAME_SIZE					(100)
+#define STEAM_EXTERNAL_ACCOUNTPASSWORD_SIZE				(80)
+#define STEAM_BILLING_CONFIRMATION_CODE_SIZE			(22)
+#define STEAM_BILLING_CARD_APPROVAL_CODE_SIZE			(100)
+#define STEAM_BILLING_TRANS_DATE_SIZE					(9) // mm/dd/yy
+#define STEAM_BILLING_TRANS_TIME_SIZE					(9) // hh:mm:ss
+
+/******************************************************************************
+**
+** Scalar type and enumerated type definitions.
+**
+******************************************************************************/
+
+
+typedef unsigned int SteamHandle_t;
+
+typedef void * SteamUserIDTicketValidationHandle_t;
+
+typedef unsigned int SteamCallHandle_t;
+
+#if defined(_MSC_VER)
+typedef unsigned __int64	SteamUnsigned64_t;
+#else
+typedef unsigned long long	SteamUnsigned64_t;
+#endif
+
+typedef enum
+{
+	eSteamSeekMethodSet = 0,
+	eSteamSeekMethodCur = 1,
+	eSteamSeekMethodEnd = 2
+} ESteamSeekMethod;
+
+typedef enum
+{
+	eSteamBufferMethodFBF = 0,
+	eSteamBufferMethodNBF = 1
+} ESteamBufferMethod;
+
+typedef enum
+{
+	eSteamErrorNone													= 0,
+	eSteamErrorUnknown												= 1,
+	eSteamErrorLibraryNotInitialized								= 2,
+	eSteamErrorLibraryAlreadyInitialized							= 3,
+	eSteamErrorConfig												= 4,
+	eSteamErrorContentServerConnect									= 5,
+	eSteamErrorBadHandle											= 6,
+	eSteamErrorHandlesExhausted										= 7,
+	eSteamErrorBadArg												= 8,
+	eSteamErrorNotFound												= 9,
+	eSteamErrorRead													= 10,
+	eSteamErrorEOF													= 11,
+	eSteamErrorSeek													= 12,
+	eSteamErrorCannotWriteNonUserConfigFile							= 13,
+	eSteamErrorCacheOpen											= 14,
+	eSteamErrorCacheRead											= 15,
+	eSteamErrorCacheCorrupted										= 16,
+	eSteamErrorCacheWrite											= 17,
+	eSteamErrorCacheSession											= 18,
+	eSteamErrorCacheInternal										= 19,
+	eSteamErrorCacheBadApp											= 20,
+	eSteamErrorCacheVersion											= 21,
+	eSteamErrorCacheBadFingerPrint									= 22,
+
+	eSteamErrorNotFinishedProcessing								= 23,
+	eSteamErrorNothingToDo											= 24,
+	eSteamErrorCorruptEncryptedUserIDTicket							= 25,
+	eSteamErrorSocketLibraryNotInitialized							= 26,
+	eSteamErrorFailedToConnectToUserIDTicketValidationServer		= 27,
+	eSteamErrorBadProtocolVersion									= 28,
+	eSteamErrorReplayedUserIDTicketFromClient						= 29,
+	eSteamErrorReceiveResultBufferTooSmall							= 30,
+	eSteamErrorSendFailed											= 31,
+	eSteamErrorReceiveFailed										= 32,
+	eSteamErrorReplayedReplyFromUserIDTicketValidationServer		= 33,
+	eSteamErrorBadSignatureFromUserIDTicketValidationServer			= 34,
+	eSteamErrorValidationStalledSoAborted							= 35,
+	eSteamErrorInvalidUserIDTicket									= 36,
+	eSteamErrorClientLoginRateTooHigh								= 37,
+	eSteamErrorClientWasNeverValidated								= 38,
+	eSteamErrorInternalSendBufferTooSmall							= 39,
+	eSteamErrorInternalReceiveBufferTooSmall						= 40,
+	eSteamErrorUserTicketExpired									= 41,
+	eSteamErrorCDKeyAlreadyInUseOnAnotherClient						= 42,
+
+	eSteamErrorNotLoggedIn											= 101,
+	eSteamErrorAlreadyExists										= 102,
+	eSteamErrorAlreadySubscribed									= 103,
+	eSteamErrorNotSubscribed										= 104,
+	eSteamErrorAccessDenied											= 105,
+	eSteamErrorFailedToCreateCacheFile								= 106,
+	eSteamErrorCallStalledSoAborted									= 107,
+	eSteamErrorEngineNotRunning										= 108,
+	eSteamErrorEngineConnectionLost									= 109,
+	eSteamErrorLoginFailed											= 110,
+	eSteamErrorAccountPending										= 111,
+	eSteamErrorCacheWasMissingRetry									= 112,
+	eSteamErrorLocalTimeIncorrect									= 113,
+	eSteamErrorCacheNeedsDecryption									= 114,
+	eSteamErrorAccountDisabled										= 115,
+	eSteamErrorCacheNeedsRepair										= 116,
+	eSteamErrorRebootRequired										= 117,
+
+	eSteamErrorNetwork												= 200,
+	eSteamErrorOffline												= 201
+
+
+} ESteamError;
+
+
+typedef enum
+{
+	eNoDetailedErrorAvailable,
+	eStandardCerrno,
+	eWin32LastError,
+	eWinSockLastError,
+	eDetailedPlatformErrorCount
+} EDetailedPlatformErrorType;
+
+typedef enum						/* Filter elements returned by SteamFind{First,Next} */
+{
+	eSteamFindLocalOnly,			/* limit search to local filesystem */
+	eSteamFindRemoteOnly,			/* limit search to remote repository */
+	eSteamFindAll					/* do not limit search (duplicates allowed) */
+} ESteamFindFilter;
+
+
+/******************************************************************************
+**
+** Exported structure and complex type definitions.
+**
+******************************************************************************/
+
+
+typedef struct
+{
+	ESteamError eSteamError;
+	EDetailedPlatformErrorType eDetailedErrorType;
+	int nDetailedErrorCode;
+	char szDesc[STEAM_MAX_PATH];
+} TSteamError;
+
+
+
+typedef struct
+{
+	int bIsDir;						/* If non-zero, element is a directory; if zero, element is a file */
+	unsigned int uSizeOrCount;		/* If element is a file, this contains size of file in bytes */
+	int bIsLocal;					/* If non-zero, reported item is a standalone element on local filesystem */
+	char cszName[STEAM_MAX_PATH];	/* Base element name (no path) */
+	long lLastAccessTime;			/* Seconds since 1/1/1970 (like time_t) when element was last accessed */
+	long lLastModificationTime;		/* Seconds since 1/1/1970 (like time_t) when element was last modified */
+	long lCreationTime;				/* Seconds since 1/1/1970 (like time_t) when element was created */
+} TSteamElemInfo;
+
+
+typedef struct
+{
+	unsigned int uNumSubscriptions;
+	unsigned int uMaxNameChars;
+	unsigned int uMaxApps;
+
+} TSteamSubscriptionStats;
+
+
+typedef struct
+{
+	unsigned int uNumApps;
+	unsigned int uMaxNameChars;
+	unsigned int uMaxInstallDirNameChars;
+	unsigned int uMaxVersionLabelChars;
+	unsigned int uMaxLaunchOptions;
+	unsigned int uMaxLaunchOptionDescChars;
+	unsigned int uMaxLaunchOptionCmdLineChars;
+	unsigned int uMaxNumIcons;
+	unsigned int uMaxIconSize;
+	unsigned int uMaxDependencies;
+
+} TSteamAppStats;
+
+typedef struct
+{
+	char *szLabel;
+	unsigned int uMaxLabelChars;
+	unsigned int uVersionId;
+	int bIsNotAvailable;
+} TSteamAppVersion;
+
+typedef struct
+{
+	char *szDesc;
+	unsigned int uMaxDescChars;
+	char *szCmdLine;
+	unsigned int uMaxCmdLineChars;
+	unsigned int uIndex;
+	unsigned int uIconIndex;
+	int bNoDesktopShortcut;
+	int bNoStartMenuShortcut;
+	int bIsLongRunningUnattended;
+
+} TSteamAppLaunchOption;
+
+
+typedef struct
+{
+	char *szName;
+	unsigned int uMaxNameChars;
+	char *szLatestVersionLabel;
+	unsigned int uMaxLatestVersionLabelChars;
+	char *szCurrentVersionLabel;
+	unsigned int uMaxCurrentVersionLabelChars;
+	char *szInstallDirName;
+	unsigned int uMaxInstallDirNameChars;
+	unsigned int uId;
+	unsigned int uLatestVersionId;
+	unsigned int uCurrentVersionId;
+	unsigned int uMinCacheFileSizeMB;
+	unsigned int uMaxCacheFileSizeMB;
+	unsigned int uNumLaunchOptions;
+	unsigned int uNumIcons;
+	unsigned int uNumVersions;
+	unsigned int uNumDependencies;
+
+} TSteamApp;
+
+typedef enum 
+{
+	eNoCost				= 0,
+	eBillOnceOnly		= 1,
+	eBillMonthly		= 2,
+	eProofOfPrepurchaseOnly	= 3,
+	eGuestPass			= 4,
+	eHardwarePromo		= 5,
+	eNumBillingTypes,
+} EBillingType;
+
+typedef struct
+{
+	char *szName;
+	unsigned int uMaxNameChars;
+	unsigned int *puAppIds;
+	unsigned int uMaxAppIds;
+	unsigned int uId;
+	unsigned int uNumApps;
+	EBillingType eBillingType;
+	unsigned int uCostInCents;
+	unsigned int uNumDiscounts;
+	int bIsPreorder;
+	int bRequiresShippingAddress;
+	unsigned int uDomesticShippingCostInCents;
+	unsigned int uInternationalShippingCostInCents;
+	bool bIsCyberCafeSubscription;
+	unsigned int uGameCode;
+	char szGameCodeDesc[STEAM_MAX_PATH];
+	bool bIsDisabled;
+	bool bRequiresCD;
+	unsigned int uTerritoryCode;
+	bool bIsSteam3Subscription;
+
+} TSteamSubscription;
+
+typedef struct
+{
+	char szName[STEAM_MAX_PATH];
+	unsigned int uDiscountInCents;
+	unsigned int uNumQualifiers;
+
+} TSteamSubscriptionDiscount;
+
+typedef struct
+{
+	char szName[STEAM_MAX_PATH];
+	unsigned int uRequiredSubscription;
+	int bIsDisqualifier;
+
+} TSteamDiscountQualifier;
+
+typedef struct TSteamProgress
+{
+	int bValid;                      /* non-zero if call provides progress info */
+	unsigned int uPercentDone;       /* 0 to 100 * STEAM_PROGRESS_PERCENT_SCALE if bValid */
+	char szProgress[STEAM_MAX_PATH]; /* additional progress info */
+} TSteamProgress;
+
+typedef enum
+{
+	eSteamNotifyTicketsWillExpire,
+	eSteamNotifyAccountInfoChanged,
+	eSteamNotifyContentDescriptionChanged,
+	eSteamNotifyPleaseShutdown,
+	eSteamNotifyNewContentServer,
+	eSteamNotifySubscriptionStatusChanged,
+	eSteamNotifyContentServerConnectionLost,
+	eSteamNotifyCacheLoadingCompleted,
+	eSteamNotifyCacheNeedsDecryption,
+	eSteamNotifyCacheNeedsRepair
+} ESteamNotificationCallbackEvent;
+
+
+typedef void(*SteamNotificationCallback_t)(ESteamNotificationCallbackEvent eEvent, unsigned int nData);
+
+
+typedef char SteamPersonalQuestion_t[ STEAM_QUESTION_MAXLEN + 1 ];
+
+typedef struct
+{
+	unsigned char uchSalt[STEAM_SALT_SIZE];
+} SteamSalt_t;
+
+typedef enum
+{
+	eVisa				= 1,
+	eMaster				= 2,
+	eAmericanExpress	= 3,
+	eDiscover			= 4,
+	eDinnersClub		= 5,
+	eJCB				= 6
+} ESteamPaymentCardType;
+
+typedef struct
+{
+	ESteamPaymentCardType eCardType;
+	char szCardNumber[ STEAM_CARD_NUMBER_SIZE +1 ];
+	char szCardHolderName[ STEAM_CARD_HOLDERNAME_SIZE + 1];
+	char szCardExpYear[ STEAM_CARD_EXPYEAR_SIZE + 1 ];
+	char szCardExpMonth[ STEAM_CARD_EXPMONTH_SIZE+ 1 ];
+	char szCardCVV2[ STEAM_CARD_CVV2_SIZE + 1 ];
+	char szBillingAddress1[ STEAM_BILLING_ADDRESS1_SIZE + 1 ];
+	char szBillingAddress2[ STEAM_BILLING_ADDRESS2_SIZE + 1 ];
+	char szBillingCity[ STEAM_BILLING_CITY_SIZE + 1 ];
+	char szBillingZip[ STEAM_BILLING_ZIP_SIZE + 1 ];
+	char szBillingState[ STEAM_BILLING_STATE_SIZE + 1 ];
+	char szBillingCountry[ STEAM_BILLING_COUNTRY_SIZE + 1 ];
+	char szBillingPhone[ STEAM_BILLING_PHONE_SIZE + 1 ];
+	char szBillingEmailAddress[ STEAM_BILLING_EMAIL_ADDRESS_SIZE + 1 ];
+	unsigned int uExpectedCostInCents;
+	unsigned int uExpectedTaxInCents;
+	/* If the TSteamSubscription says that shipping info is required,	*/
+	/* then the following fields must be filled out.					*/
+	/* If szShippingName is empty, then assumes so are the rest.		*/
+	char szShippingName[ STEAM_CARD_HOLDERNAME_SIZE + 1];
+	char szShippingAddress1[ STEAM_BILLING_ADDRESS1_SIZE + 1 ];
+	char szShippingAddress2[ STEAM_BILLING_ADDRESS2_SIZE + 1 ];
+	char szShippingCity[ STEAM_BILLING_CITY_SIZE + 1 ];
+	char szShippingZip[ STEAM_BILLING_ZIP_SIZE + 1 ];
+	char szShippingState[ STEAM_BILLING_STATE_SIZE + 1 ];
+	char szShippingCountry[ STEAM_BILLING_COUNTRY_SIZE + 1 ];
+	char szShippingPhone[ STEAM_BILLING_PHONE_SIZE + 1 ];
+	unsigned int uExpectedShippingCostInCents;
+
+} TSteamPaymentCardInfo;
+
+typedef struct
+{
+	char					szTypeOfProofOfPurchase[ STEAM_TYPE_OF_PROOF_OF_PURCHASE_SIZE + 1 ];
+
+	/* A ProofOfPurchase token is not necessarily a nul-terminated string; it may be binary data
+	   (perhaps encrypted). Hence we need a length and an array of bytes.							*/
+	unsigned int			uLengthOfBinaryProofOfPurchaseToken;	
+	char					cBinaryProofOfPurchaseToken[ STEAM_PROOF_OF_PURCHASE_TOKEN_SIZE + 1 ];
+} TSteamPrepurchaseInfo;
+
+typedef struct
+{
+	char szAccountName[ STEAM_EXTERNAL_ACCOUNTNAME_SIZE + 1 ];
+	char szPassword[ STEAM_EXTERNAL_ACCOUNTPASSWORD_SIZE + 1 ];
+} TSteamExternalBillingInfo;
+
+typedef enum
+{
+	ePaymentCardInfo		= 1,
+	ePrepurchasedInfo		= 2,
+	eAccountBillingInfo		= 3,
+	eExternalBillingInfo	= 4,		/* indirect billing via ISP etc (not supported yet) */
+	ePaymentCardReceipt		= 5,
+	ePrepurchaseReceipt		= 6,
+	eEmptyReceipt			= 7
+} ESteamSubscriptionBillingInfoType;
+
+typedef struct
+{
+	ESteamSubscriptionBillingInfoType	eBillingInfoType;
+	union {
+		TSteamPaymentCardInfo			PaymentCardInfo;
+		TSteamPrepurchaseInfo			PrepurchaseInfo;
+		TSteamExternalBillingInfo		ExternalBillingInfo;
+		char							bUseAccountBillingInfo;
+	};
+
+} TSteamSubscriptionBillingInfo;
+
+typedef enum
+{
+	/* Subscribed */
+	eSteamSubscriptionOK							= 0,	/* Subscribed */
+	eSteamSubscriptionPending						= 1,	/* Awaiting	transaction	completion */
+	eSteamSubscriptionPreorder						= 2,	/* Is currently	a pre-order */
+	eSteamSubscriptionPrepurchaseTransferred		= 3,	/* hop to this account */
+	/* Unusbscribed */
+	eSteamSubscriptionPrepurchaseInvalid			= 4,	/* Invalid cd-key */
+	eSteamSubscriptionPrepurchaseRejected			= 5,	/* hopped out / banned / etc */
+	eSteamSubscriptionPrepurchaseRevoked			= 6,	/* hop away from this account */
+	eSteamSubscriptionPaymentCardDeclined			= 7,	/* CC txn declined */
+	eSteamSubscriptionCancelledByUser				= 8,	/* Cancelled by	client */
+	eSteamSubscriptionCancelledByVendor				= 9,	/* Cancelled by us */
+	eSteamSubscriptionPaymentCardUseLimit			= 10,	/* Card used too many times, potential fraud */
+	eSteamSubscriptionPaymentCardAlert				= 11,	/* Got a "pick up card" or the like from bank */
+	eSteamSubscriptionFailed						= 12,	/* Other Error in subscription data or transaction failed/lost */
+	eSteamSubscriptionPaymentCardAVSFailure			= 13,	/* Card failed Address Verification check */
+	eSteamSubscriptionPaymentCardInsufficientFunds	= 14,	/* Card failed due to insufficient funds */
+	eSteamSubscriptionRestrictedCountry				= 15	/* The subscription is not available in the user's country */
+
+} ESteamSubscriptionStatus;
+
+typedef struct
+{
+	ESteamPaymentCardType	eCardType;
+	char szCardLastFourDigits[ 4 + 1 ];
+	char szCardHolderName[ STEAM_CARD_HOLDERNAME_SIZE + 1];
+	char szBillingAddress1[ STEAM_BILLING_ADDRESS1_SIZE + 1 ];
+	char szBillingAddress2[ STEAM_BILLING_ADDRESS2_SIZE + 1 ];
+	char szBillingCity[ STEAM_BILLING_CITY_SIZE + 1 ];
+	char szBillingZip[ STEAM_BILLING_ZIP_SIZE + 1 ];
+	char szBillingState[ STEAM_BILLING_STATE_SIZE + 1 ];
+	char szBillingCountry[ STEAM_BILLING_COUNTRY_SIZE + 1 ];
+
+	// The following are only available after the subscription leaves "pending" status
+	char szCardApprovalCode[ STEAM_BILLING_CARD_APPROVAL_CODE_SIZE + 1];
+	char szTransDate[ STEAM_BILLING_TRANS_DATE_SIZE	+ 1];	/* mm/dd/yy */
+	char szTransTime[ STEAM_BILLING_TRANS_TIME_SIZE	+ 1];	/* hh:mm:ss */
+	unsigned int uPriceWithoutTax;
+	unsigned int uTaxAmount;
+	unsigned int uShippingCost;
+
+} TSteamPaymentCardReceiptInfo;
+
+typedef struct
+{
+	char szTypeOfProofOfPurchase[ STEAM_TYPE_OF_PROOF_OF_PURCHASE_SIZE + 1 ];
+} TSteamPrepurchaseReceiptInfo;
+
+typedef struct
+{
+	ESteamSubscriptionStatus			eStatus;
+	ESteamSubscriptionStatus			ePreviousStatus;
+	ESteamSubscriptionBillingInfoType	eReceiptInfoType;
+	char szConfirmationCode[ STEAM_BILLING_CONFIRMATION_CODE_SIZE +	1];
+	union {
+		TSteamPaymentCardReceiptInfo	PaymentCardReceiptInfo;
+		TSteamPrepurchaseReceiptInfo	PrepurchaseReceiptInfo;
+	};
+
+} TSteamSubscriptionReceipt;
+
+typedef enum
+{
+	ePhysicalBytesReceivedThisSession = 1,
+	eAppReadyToLaunchStatus = 2,
+	eAppPreloadStatus = 3,
+	eAppEntireDepot = 4,
+	eCacheBytesPresent = 5
+} ESteamAppUpdateStatsQueryType;
+
+typedef struct
+{
+	SteamUnsigned64_t uBytesTotal;
+	SteamUnsigned64_t uBytesPresent;
+} TSteamUpdateStats;
+
+typedef enum
+{
+	eSteamUserAdministrator	=	0x00000001, /* May subscribe, unsubscribe, etc */
+	eSteamUserDeveloper		=	0x00000002, /* Steam or App developer */
+	eSteamUserCyberCafe		=	0x00000004  /* CyberCafe, school, etc -- UI should ask for password */
+											/* before allowing logout, unsubscribe, etc             */
+} ESteamUserTypeFlags;
+
+typedef enum 
+{
+	eSteamAccountStatusDefault			=	0x00000000,
+	eSteamAccountStatusEmailVerified	=	0x00000001,
+	/* Note: Mask value 0x2 is reserved for future use. (Some, but not all, public accounts already have this set.) */
+	eSteamAccountDisabled				=	0x00000004
+} ESteamAccountStatusBitFields ;
+
+
+typedef enum
+{
+	eSteamBootstrapperError						= -1,
+	eSteamBootstrapperDontCheckForUpdate		= 0,
+	eSteamBootstrapperCheckForUpdateAndRerun	= 7
+
+} ESteamBootStrapperClientAppResult;
+
+typedef enum
+{
+	eSteamOnline = 0,
+	eSteamOffline = 1,
+	eSteamNoAuthMode = 2,
+	eSteamBillingOffline = 3
+} eSteamOfflineStatus;
+
+typedef struct
+{
+	int eOfflineNow;
+	int eOfflineNextSession;
+} TSteamOfflineStatus;
+
+typedef struct
+{
+  unsigned int uAppId;
+  int bIsSystemDefined;
+  char szMountPath[STEAM_MAX_PATH];
+} TSteamAppDependencyInfo;
+
+typedef enum
+{
+	eSteamOpenFileRegular =			0x0,
+	eSteamOpenFileIgnoreLocal =		0x1,
+	eSteamOpenFileChecksumReads =	0x2
+} ESteamOpenFileFlags;
+
+typedef enum
+{
+	eSteamValveCDKeyValidationServer = 0,
+	eSteamHalfLifeMasterServer = 1,
+	eSteamFriendsServer = 2,
+	eSteamCSERServer = 3,
+	eSteamHalfLife2MasterServer = 4,
+	eSteamRDKFMasterServer = 5,
+	eMaxServerTypes = 6
+} ESteamServerType;
+
+/******************************************************************************
+**
+** More exported constants
+**
+******************************************************************************/
+
+
+#ifdef __cplusplus
+
+const SteamHandle_t										STEAM_INVALID_HANDLE = 0;
+const SteamCallHandle_t									STEAM_INVALID_CALL_HANDLE = 0;
+const SteamUserIDTicketValidationHandle_t				STEAM_INACTIVE_USERIDTICKET_VALIDATION_HANDLE = 0;
+const unsigned int										STEAM_USE_LATEST_VERSION = 0xFFFFFFFF;
+
+#else
+
+#define STEAM_INVALID_HANDLE							((SteamHandle_t)(0))
+#define STEAM_INVALID_CALL_HANDLE						((SteamCallHandle_t)(0))
+#define	STEAM_INACTIVE_USERIDTICKET_VALIDATION_HANDLE	((SteamUserIDTicketValidationHandle_t)(0))
+#define STEAM_USE_LATEST_VERSION						(0xFFFFFFFFu);
+
+#endif
+
+
+/******************************************************************************
+** Each Steam instance (licensed Steam Service Provider) has a unique SteamInstanceID_t.
+**
+** Each Steam instance as its own DB of users.
+** Each user in the DB has a unique SteamLocalUserID_t (a serial number, with possible 
+** rare gaps in the sequence).
+** 
+******************************************************************************/
+
+typedef	unsigned short		SteamInstanceID_t;		// MUST be 16 bits
+
+
+#if defined ( _WIN32 )
+typedef	unsigned __int64	SteamLocalUserID_t;		// MUST be 64 bits
+#else
+typedef	unsigned long long	SteamLocalUserID_t;		// MUST be 64 bits
+#endif
+
+/******************************************************************************
+**
+** Applications need to be able to authenticate Steam users from ANY instance.
+** So a SteamIDTicket contains SteamGlobalUserID, which is a unique combination of 
+** instance and user id.
+**
+** SteamLocalUserID is an unsigned 64-bit integer.
+** For platforms without 64-bit int support, we provide access via a union that splits it into 
+** high and low unsigned 32-bit ints.  Such platforms will only need to compare LocalUserIDs 
+** for equivalence anyway - not perform arithmetic with them.
+** 
+********************************************************************************/
+typedef struct	
+{
+	unsigned int	Low32bits;
+	unsigned int	High32bits;
+}	TSteamSplitLocalUserID;
+
+typedef struct
+{
+	SteamInstanceID_t		m_SteamInstanceID;
+
+	union
+	{
+		SteamLocalUserID_t		As64bits;
+		TSteamSplitLocalUserID	Split;
+	}						m_SteamLocalUserID;
+
+} TSteamGlobalUserID;
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif

common/beamdef.h

@@ -0,0 +1,62 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#if !defined ( BEAMDEFH )
+#define BEAMDEFH
+#ifdef _WIN32
+#pragma once
+#endif
+
+#define FBEAM_STARTENTITY		0x00000001
+#define FBEAM_ENDENTITY			0x00000002
+#define FBEAM_FADEIN			0x00000004
+#define FBEAM_FADEOUT			0x00000008
+#define FBEAM_SINENOISE			0x00000010
+#define FBEAM_SOLID				0x00000020
+#define FBEAM_SHADEIN			0x00000040
+#define FBEAM_SHADEOUT			0x00000080
+#define FBEAM_STARTVISIBLE		0x10000000		// Has this client actually seen this beam's start entity yet?
+#define FBEAM_ENDVISIBLE		0x20000000		// Has this client actually seen this beam's end entity yet?
+#define FBEAM_ISACTIVE			0x40000000
+#define FBEAM_FOREVER			0x80000000
+
+typedef struct beam_s BEAM;
+struct beam_s
+{
+	BEAM		*next;
+	int			type;
+	int			flags;
+	vec3_t		source;
+	vec3_t		target;
+	vec3_t		delta;
+	float		t;		// 0 .. 1 over lifetime of beam
+	float		freq;
+	float		die;
+	float		width;
+	float		amplitude;
+	float		r, g, b;
+	float		brightness;
+	float		speed;
+	float		frameRate;
+	float		frame;
+	int			segments;
+	int			startEntity;
+	int			endEntity;
+	int			modelIndex;
+	int			frameCount;
+	struct model_s		*pFollowModel;
+	struct particle_s	*particles;
+};
+
+#endif

common/cl_entity.h

@@ -0,0 +1,115 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+// cl_entity.h
+#if !defined( CL_ENTITYH )
+#define CL_ENTITYH
+#ifdef _WIN32
+#pragma once
+#endif
+
+typedef struct efrag_s
+{
+	struct mleaf_s		*leaf;
+	struct efrag_s		*leafnext;
+	struct cl_entity_s	*entity;
+	struct efrag_s		*entnext;
+} efrag_t;
+
+typedef struct
+{
+	byte					mouthopen;		// 0 = mouth closed, 255 = mouth agape
+	byte					sndcount;		// counter for running average
+	int						sndavg;			// running average
+} mouth_t;
+
+typedef struct
+{
+	float					prevanimtime;  
+	float					sequencetime;
+	byte					prevseqblending[2];
+	vec3_t					prevorigin;
+	vec3_t					prevangles;
+
+	int						prevsequence;
+	float					prevframe;
+
+	byte					prevcontroller[4];
+	byte					prevblending[2];
+} latchedvars_t;
+
+typedef struct
+{
+	// Time stamp for this movement
+	float					animtime;
+
+	vec3_t					origin;
+	vec3_t					angles;
+} position_history_t;
+
+typedef struct cl_entity_s cl_entity_t;
+
+#define HISTORY_MAX		64  // Must be power of 2
+#define HISTORY_MASK	( HISTORY_MAX - 1 )
+
+
+#if !defined( ENTITY_STATEH )
+#include "entity_state.h"
+#endif
+
+#if !defined( PROGS_H )
+#include "progs.h"
+#endif
+
+struct cl_entity_s
+{
+	int						index;      // Index into cl_entities ( should match actual slot, but not necessarily )
+
+	qboolean				player;     // True if this entity is a "player"
+	
+	entity_state_t			baseline;   // The original state from which to delta during an uncompressed message
+	entity_state_t			prevstate;  // The state information from the penultimate message received from the server
+	entity_state_t			curstate;   // The state information from the last message received from server
+
+	int						current_position;  // Last received history update index
+	position_history_t		ph[ HISTORY_MAX ];   // History of position and angle updates for this player
+
+	mouth_t					mouth;			// For synchronizing mouth movements.
+
+	latchedvars_t			latched;		// Variables used by studio model rendering routines
+
+	// Information based on interplocation, extrapolation, prediction, or just copied from last msg received.
+	//
+	float					lastmove;
+
+	// Actual render position and angles
+	vec3_t					origin;
+	vec3_t					angles;
+
+	// Attachment points
+	vec3_t					attachment[4];
+
+	// Other entity local information
+	int						trivial_accept;
+
+	struct model_s			*model;			// cl.model_precache[ curstate.modelindes ];  all visible entities have a model
+	struct efrag_s			*efrag;			// linked list of efrags
+	struct mnode_s			*topnode;		// for bmodels, first world node that splits bmodel, or NULL if not split
+
+	float					syncbase;		// for client-side animations -- used by obsolete alias animation system, remove?
+	int						visframe;		// last frame this entity was found in an active leaf
+	colorVec				cvFloorColor;
+};
+
+#endif // !CL_ENTITYH

common/com_model.h

@@ -0,0 +1,340 @@
+//========= Copyright © 1996-2002, Valve LLC, All rights reserved. ============
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================
+
+// com_model.h
+#pragma once
+
+#define STUDIO_RENDER 1
+#define STUDIO_EVENTS 2
+
+//#define MAX_MODEL_NAME		64
+//#define MAX_MAP_HULLS		4
+//#define MIPLEVELS			4
+//#define NUM_AMBIENTS		4		// automatic ambient sounds
+//#define MAXLIGHTMAPS		4
+#define PLANE_ANYZ			5
+
+#define ALIAS_Z_CLIP_PLANE	5
+
+// flags in finalvert_t.flags
+#define ALIAS_LEFT_CLIP				0x0001
+#define ALIAS_TOP_CLIP				0x0002
+#define ALIAS_RIGHT_CLIP			0x0004
+#define ALIAS_BOTTOM_CLIP			0x0008
+#define ALIAS_Z_CLIP				0x0010
+#define ALIAS_ONSEAM				0x0020
+#define ALIAS_XY_CLIP_MASK			0x000F
+
+#define ZISCALE	((float)0x8000)
+
+#define CACHE_SIZE	32		// used to align key data structures
+
+//typedef enum
+//{
+//	mod_brush,
+//	mod_sprite,
+//	mod_alias, 
+//	mod_studio
+//} modtype_t;
+
+// must match definition in modelgen.h
+//#ifndef SYNCTYPE_T
+//#define SYNCTYPE_T
+//
+//typedef enum
+//{
+//	ST_SYNC=0,
+//	ST_RAND
+//} synctype_t;
+//
+//#endif
+
+//typedef struct
+//{
+//	float		mins[3], maxs[3];
+//	float		origin[3];
+//	int			headnode[MAX_MAP_HULLS];
+//	int			visleafs;		// not including the solid leaf 0
+//	int			firstface, numfaces;
+//} dmodel_t;
+
+// plane_t structure
+//typedef struct mplane_s
+//{
+//	vec3_t	normal;			// surface normal
+//	float	dist;			// closest appoach to origin
+//	byte	type;			// for texture axis selection and fast side tests
+//	byte	signbits;		// signx + signy<<1 + signz<<1
+//	byte	pad[2];
+//} mplane_t;
+
+//typedef struct
+//{
+//	vec3_t		position;
+//} mvertex_t;
+
+//typedef struct
+//{
+//	unsigned short	v[2];
+//	unsigned int	cachededgeoffset;
+//} medge_t;
+
+//typedef struct texture_s
+//{
+//	char		name[16];
+//	unsigned	width, height;
+//	int			anim_total;				// total tenths in sequence ( 0 = no)
+//	int			anim_min, anim_max;		// time for this frame min <=time< max
+//	struct texture_s *anim_next;		// in the animation sequence
+//	struct texture_s *alternate_anims;	// bmodels in frame 1 use these
+//	unsigned	offsets[MIPLEVELS];		// four mip maps stored
+//	unsigned	paloffset;
+//} texture_t;
+
+//typedef struct
+//{
+//	float		vecs[2][4];		// [s/t] unit vectors in world space. 
+//								// [i][3] is the s/t offset relative to the origin.
+//								// s or t = dot(3Dpoint,vecs[i])+vecs[i][3]
+//	float		mipadjust;		// ?? mipmap limits for very small surfaces
+//	texture_t	*texture;
+//	int			flags;			// sky or slime, no lightmap or 256 subdivision
+//} mtexinfo_t;
+
+//typedef struct mnode_s
+//{
+//	// common with leaf
+//	int			contents;		// 0, to differentiate from leafs
+//	int			visframe;		// node needs to be traversed if current
+//	
+//	short		minmaxs[6];		// for bounding box culling
+//
+//	struct mnode_s	*parent;
+//
+//	// node specific
+//	mplane_t	*plane;
+//	struct mnode_s	*children[2];	
+//
+//	unsigned short		firstsurface;
+//	unsigned short		numsurfaces;
+//} mnode_t;
+
+//typedef struct msurface_s	msurface_t;
+//typedef struct decal_s		decal_t;
+
+// JAY: Compress this as much as possible
+//struct decal_s
+//{
+//	decal_t		*pnext;			// linked list for each surface
+//	msurface_t	*psurface;		// Surface id for persistence / unlinking
+//	short		dx;				// Offsets into surface texture (in texture coordinates, so we don't need floats)
+//	short		dy;
+//	short		texture;		// Decal texture
+//	byte		scale;			// Pixel scale
+//	byte		flags;			// Decal flags
+//
+//	short		entityIndex;	// Entity this is attached to
+//};
+
+//typedef struct mleaf_s
+//{
+//	// common with node
+//	int			contents;		// wil be a negative contents number
+//	int			visframe;		// node needs to be traversed if current
+//
+//	short		minmaxs[6];		// for bounding box culling
+//
+//	struct mnode_s	*parent;
+//
+//	// leaf specific
+//	byte		*compressed_vis;
+//	struct efrag_s	*efrags;
+//
+//	msurface_t	**firstmarksurface;
+//	int			nummarksurfaces;
+//	int			key;			// BSP sequence number for leaf's contents
+//	byte		ambient_sound_level[NUM_AMBIENTS];
+//} mleaf_t;
+
+//struct msurface_s
+//{
+//	int			visframe;		// should be drawn when node is crossed
+//
+//	int			dlightframe;	// last frame the surface was checked by an animated light
+//	int			dlightbits;		// dynamically generated. Indicates if the surface illumination 
+//								// is modified by an animated light.
+//
+//	mplane_t	*plane;			// pointer to shared plane			
+//	int			flags;			// see SURF_ #defines
+//
+//	int			firstedge;	// look up in model->surfedges[], negative numbers
+//	int			numedges;	// are backwards edges
+//	
+//	// surface generation data
+//	struct surfcache_s	*cachespots[MIPLEVELS];
+//
+//	short		texturemins[2]; // smallest s/t position on the surface.
+//	short		extents[2];		// ?? s/t texture size, 1..256 for all non-sky surfaces
+//
+//	mtexinfo_t	*texinfo;		
+//	
+//	// lighting info
+//	byte		styles[MAXLIGHTMAPS]; // index into d_lightstylevalue[] for animated lights 
+//									  // no one surface can be effected by more than 4 
+//									  // animated lights.
+//	color24		*samples;
+//	
+//	decal_t		*pdecals;
+//};
+
+//typedef struct
+//{
+//	int			planenum;
+//	short		children[2];	// negative numbers are contents
+//} dclipnode_t;
+
+//typedef struct hull_s
+//{
+//	dclipnode_t	*clipnodes;
+//	mplane_t	*planes;
+//	int			firstclipnode;
+//	int			lastclipnode;
+//	vec3_t		clip_mins;
+//	vec3_t		clip_maxs;
+//} hull_t;
+
+typedef struct cache_user_s
+{
+	void	*data;
+} cache_user_t;
+
+//typedef struct model_s
+//{
+//	char		name[ MAX_MODEL_NAME ];
+//	qboolean	needload;		// bmodels and sprites don't cache normally
+//
+//	modtype_t	type;
+//	int			numframes;
+//	synctype_t	synctype;
+//	
+//	int			flags;
+//
+//	//
+//	// volume occupied by the model
+//	//
+//	vec3_t		mins, maxs;
+//	float		radius;
+//
+//	//
+//	// brush model
+//	//
+//	int			firstmodelsurface, nummodelsurfaces;
+//
+//	int			numsubmodels;
+//	dmodel_t	*submodels;
+//
+//	int			numplanes;
+//	mplane_t	*planes;
+//
+//	int			numleafs;		// number of visible leafs, not counting 0
+//	struct mleaf_s		*leafs;
+//
+//	int			numvertexes;
+//	mvertex_t	*vertexes;
+//
+//	int			numedges;
+//	medge_t		*edges;
+//
+//	int			numnodes;
+//	mnode_t		*nodes;
+//
+//	int			numtexinfo;
+//	mtexinfo_t	*texinfo;
+//
+//	int			numsurfaces;
+//	msurface_t	*surfaces;
+//
+//	int			numsurfedges;
+//	int			*surfedges;
+//
+//	int			numclipnodes;
+//	dclipnode_t	*clipnodes;
+//
+//	int			nummarksurfaces;
+//	msurface_t	**marksurfaces;
+//
+//	hull_t		hulls[MAX_MAP_HULLS];
+//
+//	int			numtextures;
+//	texture_t	**textures;
+//
+//	byte		*visdata;
+//
+//	color24		*lightdata;
+//
+//	char		*entities;
+//
+//	//
+//	// additional model data
+//	//
+//	cache_user_t	cache;		// only access through Mod_Extradata
+//
+//} model_t;
+
+//typedef vec_t vec4_t[4];
+
+typedef struct alight_s
+{
+	int			ambientlight;	// clip at 128
+	int			shadelight;		// clip at 192 - ambientlight
+	vec3_t		color;
+	float		*plightvec;
+} alight_t;
+
+typedef struct auxvert_s
+{
+	float	fv[3];		// viewspace x, y
+} auxvert_t;
+
+#include "custom.h"
+
+//#define MAX_SCOREBOARDNAME	32
+
+// Defined in client.h differently
+//typedef struct player_info_s
+//{
+//	// User id on server
+//	int		userid;
+//
+//	// User info string
+//	char	userinfo[ MAX_INFO_STRING ];
+//
+//	// Name
+//	char	name[ MAX_SCOREBOARDNAME ];
+//
+//	// Spectator or not, unused
+//	int		spectator;
+//
+//	int		ping;
+//	int		packet_loss;
+//
+//	// skin information
+//	char	model[MAX_QPATH];
+//	int		topcolor;
+//	int		bottomcolor;
+//
+//	// last frame rendered
+//	int		renderframe;	
+//
+//	// Gait frame estimation
+//	int		gaitsequence;
+//	float	gaitframe;
+//	float	gaityaw;
+//	vec3_t	prevgaitorigin;
+//
+//	customization_t customdata;
+//} player_info_t;

common/con_nprint.h

@@ -0,0 +1,38 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#if !defined( CON_NPRINTH )
+#define CON_NPRINTH
+#ifdef _WIN32
+#pragma once
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct con_nprint_s
+{
+	int		index;			// Row #
+	float	time_to_live;	// # of seconds before it dissappears
+	float	color[ 3 ];		// RGB colors ( 0.0 -> 1.0 scale )
+} con_nprint_t;
+
+void Con_NPrintf( int idx, const char *fmt, ... );
+void Con_NXPrintf( struct con_nprint_s *info, const char *fmt, ... );
+#ifdef __cplusplus
+}
+#endif
+
+#endif

common/const.h

@@ -0,0 +1,791 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+
+#ifndef CONST_H
+#define CONST_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+//
+// Constants shared by the engine and dlls
+// This header file included by engine files and DLL files.
+// Most came from server.h
+
+// edict->flags
+#define FL_FLY					(1<<0)	// Changes the SV_Movestep() behavior to not need to be on ground
+#define FL_SWIM					(1<<1)	// Changes the SV_Movestep() behavior to not need to be on ground (but stay in water)
+#define FL_CONVEYOR				(1<<2)
+#define FL_CLIENT				(1<<3)
+#define FL_INWATER				(1<<4)
+#define FL_MONSTER				(1<<5)
+#define FL_GODMODE				(1<<6)
+#define FL_NOTARGET				(1<<7)
+#define FL_SKIPLOCALHOST		(1<<8)	// Don't send entity to local host, it's predicting this entity itself
+#define FL_ONGROUND				(1<<9)	// At rest / on the ground
+#define FL_PARTIALGROUND		(1<<10)	// not all corners are valid
+#define FL_WATERJUMP			(1<<11)	// player jumping out of water
+#define FL_FROZEN				(1<<12) // Player is frozen for 3rd person camera
+#define FL_FAKECLIENT			(1<<13)	// JAC: fake client, simulated server side; don't send network messages to them
+#define FL_DUCKING				(1<<14)	// Player flag -- Player is fully crouched
+#define FL_FLOAT				(1<<15)	// Apply floating force to this entity when in water
+#define FL_GRAPHED				(1<<16) // worldgraph has this ent listed as something that blocks a connection
+
+// UNDONE: Do we need these?
+#define FL_IMMUNE_WATER			(1<<17)
+#define FL_IMMUNE_SLIME			(1<<18)
+#define FL_IMMUNE_LAVA			(1<<19)
+
+#define FL_PROXY				(1<<20)	// This is a spectator proxy
+#define FL_ALWAYSTHINK			(1<<21)	// Brush model flag -- call think every frame regardless of nextthink - ltime (for constantly changing velocity/path)
+#define FL_BASEVELOCITY			(1<<22)	// Base velocity has been applied this frame (used to convert base velocity into momentum)
+#define FL_MONSTERCLIP			(1<<23)	// Only collide in with monsters who have FL_MONSTERCLIP set
+#define FL_ONTRAIN				(1<<24) // Player is _controlling_ a train, so movement commands should be ignored on client during prediction.
+#define FL_WORLDBRUSH			(1<<25)	// Not moveable/removeable brush entity (really part of the world, but represented as an entity for transparency or something)
+#define FL_SPECTATOR			(1<<26) // This client is a spectator, don't run touch functions, etc.
+#define FL_CUSTOMENTITY			(1<<29)	// This is a custom entity
+#define FL_KILLME				(1<<30)	// This entity is marked for death -- This allows the engine to kill ents at the appropriate time
+#define FL_DORMANT				(1<<31)	// Entity is dormant, no updates to client
+
+
+// Engine edict->spawnflags
+#define SF_NOTINDEATHMATCH		0x0800	// Do not spawn when deathmatch and loading entities from a file
+
+
+// Goes into globalvars_t.trace_flags
+#define FTRACE_SIMPLEBOX		(1<<0)	// Traceline with a simple box
+
+
+// walkmove modes
+#define WALKMOVE_NORMAL			0 // normal walkmove
+#define WALKMOVE_WORLDONLY		1 // doesn't hit ANY entities, no matter what the solid type
+#define WALKMOVE_CHECKONLY		2 // move, but don't touch triggers
+
+// edict->movetype values
+#define MOVETYPE_NONE			0		// never moves
+//#define MOVETYPE_ANGLENOCLIP	1
+//#define MOVETYPE_ANGLECLIP		2
+#define MOVETYPE_WALK			3		// Player only - moving on the ground
+#define MOVETYPE_STEP			4		// gravity, special edge handling -- monsters use this
+#define MOVETYPE_FLY			5		// No gravity, but still collides with stuff
+#define MOVETYPE_TOSS			6		// gravity/collisions
+#define MOVETYPE_PUSH			7		// no clip to world, push and crush
+#define MOVETYPE_NOCLIP			8		// No gravity, no collisions, still do velocity/avelocity
+#define MOVETYPE_FLYMISSILE		9		// extra size to monsters
+#define MOVETYPE_BOUNCE			10		// Just like Toss, but reflect velocity when contacting surfaces
+#define MOVETYPE_BOUNCEMISSILE	11		// bounce w/o gravity
+#define MOVETYPE_FOLLOW			12		// track movement of aiment
+#define MOVETYPE_PUSHSTEP		13		// BSP model that needs physics/world collisions (uses nearest hull for world collision)
+
+// edict->solid values
+// NOTE: Some movetypes will cause collisions independent of SOLID_NOT/SOLID_TRIGGER when the entity moves
+// SOLID only effects OTHER entities colliding with this one when they move - UGH!
+#define SOLID_NOT				0		// no interaction with other objects
+#define SOLID_TRIGGER			1		// touch on edge, but not blocking
+#define SOLID_BBOX				2		// touch on edge, block
+#define SOLID_SLIDEBOX			3		// touch on edge, but not an onground
+#define SOLID_BSP				4		// bsp clip, touch on edge, block
+
+// edict->deadflag values
+#define DEAD_NO					0 // alive
+#define DEAD_DYING				1 // playing death animation or still falling off of a ledge waiting to hit ground
+#define DEAD_DEAD				2 // dead. lying still.
+#define DEAD_RESPAWNABLE		3
+#define DEAD_DISCARDBODY		4
+
+#define DAMAGE_NO				0
+#define DAMAGE_YES				1
+#define DAMAGE_AIM				2
+
+// entity effects
+#define EF_BRIGHTFIELD			1	// swirling cloud of particles
+#define EF_MUZZLEFLASH 			2	// single frame ELIGHT on entity attachment 0
+#define EF_BRIGHTLIGHT 			4	// DLIGHT centered at entity origin
+#define EF_DIMLIGHT 			8	// player flashlight
+#define EF_INVLIGHT				16	// get lighting from ceiling
+#define EF_NOINTERP				32	// don't interpolate the next frame
+#define EF_LIGHT				64	// rocket flare glow sprite
+#define EF_NODRAW				128	// don't draw entity
+#define EF_NIGHTVISION			256 // player nightvision
+#define EF_SNIPERLASER			512 // sniper laser effect
+#define EF_FIBERCAMERA			1024// fiber camera
+
+
+// entity flags
+#define EFLAG_SLERP				1	// do studio interpolation of this entity
+		
+//
+// temp entity events
+//
+#define TE_BEAMPOINTS		0		// beam effect between two points
+// coord coord coord (start position) 
+// coord coord coord (end position) 
+// short (sprite index) 
+// byte (starting frame) 
+// byte (frame rate in 0.1's) 
+// byte (life in 0.1's) 
+// byte (line width in 0.1's) 
+// byte (noise amplitude in 0.01's) 
+// byte,byte,byte (color)
+// byte (brightness)
+// byte (scroll speed in 0.1's)
+
+#define TE_BEAMENTPOINT		1		// beam effect between point and entity
+// short (start entity) 
+// coord coord coord (end position) 
+// short (sprite index) 
+// byte (starting frame) 
+// byte (frame rate in 0.1's) 
+// byte (life in 0.1's) 
+// byte (line width in 0.1's) 
+// byte (noise amplitude in 0.01's) 
+// byte,byte,byte (color)
+// byte (brightness)
+// byte (scroll speed in 0.1's)
+
+#define TE_GUNSHOT			2		// particle effect plus ricochet sound
+// coord coord coord (position) 
+
+#define TE_EXPLOSION		3		// additive sprite, 2 dynamic lights, flickering particles, explosion sound, move vertically 8 pps
+// coord coord coord (position) 
+// short (sprite index)
+// byte (scale in 0.1's)
+// byte (framerate)
+// byte (flags)
+//
+// The Explosion effect has some flags to control performance/aesthetic features:
+#define TE_EXPLFLAG_NONE		0	// all flags clear makes default Half-Life explosion
+#define TE_EXPLFLAG_NOADDITIVE	1	// sprite will be drawn opaque (ensure that the sprite you send is a non-additive sprite)
+#define TE_EXPLFLAG_NODLIGHTS	2	// do not render dynamic lights
+#define TE_EXPLFLAG_NOSOUND		4	// do not play client explosion sound
+#define TE_EXPLFLAG_NOPARTICLES	8	// do not draw particles
+
+
+#define TE_TAREXPLOSION		4		// Quake1 "tarbaby" explosion with sound
+// coord coord coord (position) 
+
+#define TE_SMOKE			5		// alphablend sprite, move vertically 30 pps
+// coord coord coord (position) 
+// short (sprite index)
+// byte (scale in 0.1's)
+// byte (framerate)
+
+#define TE_TRACER			6		// tracer effect from point to point
+// coord, coord, coord (start) 
+// coord, coord, coord (end)
+
+#define TE_LIGHTNING		7		// TE_BEAMPOINTS with simplified parameters
+// coord, coord, coord (start) 
+// coord, coord, coord (end) 
+// byte (life in 0.1's) 
+// byte (width in 0.1's) 
+// byte (amplitude in 0.01's)
+// short (sprite model index)
+
+#define TE_BEAMENTS			8		
+// short (start entity) 
+// short (end entity) 
+// short (sprite index) 
+// byte (starting frame) 
+// byte (frame rate in 0.1's) 
+// byte (life in 0.1's) 
+// byte (line width in 0.1's) 
+// byte (noise amplitude in 0.01's) 
+// byte,byte,byte (color)
+// byte (brightness)
+// byte (scroll speed in 0.1's)
+
+#define TE_SPARKS			9		// 8 random tracers with gravity, ricochet sprite
+// coord coord coord (position) 
+
+#define TE_LAVASPLASH		10		// Quake1 lava splash
+// coord coord coord (position) 
+
+#define TE_TELEPORT			11		// Quake1 teleport splash
+// coord coord coord (position) 
+
+#define TE_EXPLOSION2		12		// Quake1 colormaped (base palette) particle explosion with sound
+// coord coord coord (position) 
+// byte (starting color)
+// byte (num colors)
+
+#define TE_BSPDECAL			13		// Decal from the .BSP file 
+// coord, coord, coord (x,y,z), decal position (center of texture in world)
+// short (texture index of precached decal texture name)
+// short (entity index)
+// [optional - only included if previous short is non-zero (not the world)] short (index of model of above entity)
+
+#define TE_IMPLOSION		14		// tracers moving toward a point
+// coord, coord, coord (position)
+// byte (radius)
+// byte (count)
+// byte (life in 0.1's) 
+
+#define TE_SPRITETRAIL		15		// line of moving glow sprites with gravity, fadeout, and collisions
+// coord, coord, coord (start) 
+// coord, coord, coord (end) 
+// short (sprite index)
+// byte (count)
+// byte (life in 0.1's) 
+// byte (scale in 0.1's) 
+// byte (velocity along vector in 10's)
+// byte (randomness of velocity in 10's)
+
+#define TE_BEAM				16		// obsolete
+
+#define TE_SPRITE			17		// additive sprite, plays 1 cycle
+// coord, coord, coord (position) 
+// short (sprite index) 
+// byte (scale in 0.1's) 
+// byte (brightness)
+
+#define TE_BEAMSPRITE		18		// A beam with a sprite at the end
+// coord, coord, coord (start position) 
+// coord, coord, coord (end position) 
+// short (beam sprite index) 
+// short (end sprite index) 
+
+#define TE_BEAMTORUS		19		// screen aligned beam ring, expands to max radius over lifetime
+// coord coord coord (center position) 
+// coord coord coord (axis and radius) 
+// short (sprite index) 
+// byte (starting frame) 
+// byte (frame rate in 0.1's) 
+// byte (life in 0.1's) 
+// byte (line width in 0.1's) 
+// byte (noise amplitude in 0.01's) 
+// byte,byte,byte (color)
+// byte (brightness)
+// byte (scroll speed in 0.1's)
+
+#define TE_BEAMDISK			20		// disk that expands to max radius over lifetime
+// coord coord coord (center position) 
+// coord coord coord (axis and radius) 
+// short (sprite index) 
+// byte (starting frame) 
+// byte (frame rate in 0.1's) 
+// byte (life in 0.1's) 
+// byte (line width in 0.1's) 
+// byte (noise amplitude in 0.01's) 
+// byte,byte,byte (color)
+// byte (brightness)
+// byte (scroll speed in 0.1's)
+
+#define TE_BEAMCYLINDER		21		// cylinder that expands to max radius over lifetime
+// coord coord coord (center position) 
+// coord coord coord (axis and radius) 
+// short (sprite index) 
+// byte (starting frame) 
+// byte (frame rate in 0.1's) 
+// byte (life in 0.1's) 
+// byte (line width in 0.1's) 
+// byte (noise amplitude in 0.01's) 
+// byte,byte,byte (color)
+// byte (brightness)
+// byte (scroll speed in 0.1's)
+
+#define TE_BEAMFOLLOW		22		// create a line of decaying beam segments until entity stops moving
+// short (entity:attachment to follow)
+// short (sprite index)
+// byte (life in 0.1's) 
+// byte (line width in 0.1's) 
+// byte,byte,byte (color)
+// byte (brightness)
+
+#define TE_GLOWSPRITE		23		
+// coord, coord, coord (pos) short (model index) byte (scale / 10)
+
+#define TE_BEAMRING			24		// connect a beam ring to two entities
+// short (start entity) 
+// short (end entity) 
+// short (sprite index) 
+// byte (starting frame) 
+// byte (frame rate in 0.1's) 
+// byte (life in 0.1's) 
+// byte (line width in 0.1's) 
+// byte (noise amplitude in 0.01's) 
+// byte,byte,byte (color)
+// byte (brightness)
+// byte (scroll speed in 0.1's)
+
+#define TE_STREAK_SPLASH	25		// oriented shower of tracers
+// coord coord coord (start position) 
+// coord coord coord (direction vector) 
+// byte (color)
+// short (count)
+// short (base speed)
+// short (ramdon velocity)
+
+#define TE_BEAMHOSE			26		// obsolete
+
+#define TE_DLIGHT			27		// dynamic light, effect world, minor entity effect
+// coord, coord, coord (pos) 
+// byte (radius in 10's) 
+// byte byte byte (color)
+// byte (brightness)
+// byte (life in 10's)
+// byte (decay rate in 10's)
+
+#define TE_ELIGHT			28		// point entity light, no world effect
+// short (entity:attachment to follow)
+// coord coord coord (initial position) 
+// coord (radius)
+// byte byte byte (color)
+// byte (life in 0.1's)
+// coord (decay rate)
+
+#define TE_TEXTMESSAGE		29
+// short 1.2.13 x (-1 = center)
+// short 1.2.13 y (-1 = center)
+// byte Effect 0 = fade in/fade out
+			// 1 is flickery credits
+			// 2 is write out (training room)
+
+// 4 bytes r,g,b,a color1	(text color)
+// 4 bytes r,g,b,a color2	(effect color)
+// ushort 8.8 fadein time
+// ushort 8.8  fadeout time
+// ushort 8.8 hold time
+// optional ushort 8.8 fxtime	(time the highlight lags behing the leading text in effect 2)
+// string text message		(512 chars max sz string)
+#define TE_LINE				30
+// coord, coord, coord		startpos
+// coord, coord, coord		endpos
+// short life in 0.1 s
+// 3 bytes r, g, b
+
+#define TE_BOX				31
+// coord, coord, coord		boxmins
+// coord, coord, coord		boxmaxs
+// short life in 0.1 s
+// 3 bytes r, g, b
+
+#define TE_KILLBEAM			99		// kill all beams attached to entity
+// short (entity)
+
+#define TE_LARGEFUNNEL		100
+// coord coord coord (funnel position)
+// short (sprite index) 
+// short (flags) 
+
+#define TE_BLOODSTREAM		101		// particle spray
+// coord coord coord (start position)
+// coord coord coord (spray vector)
+// byte (color)
+// byte (speed)
+
+#define TE_SHOWLINE			102		// line of particles every 5 units, dies in 30 seconds
+// coord coord coord (start position)
+// coord coord coord (end position)
+
+#define TE_BLOOD			103		// particle spray
+// coord coord coord (start position)
+// coord coord coord (spray vector)
+// byte (color)
+// byte (speed)
+
+#define TE_DECAL			104		// Decal applied to a brush entity (not the world)
+// coord, coord, coord (x,y,z), decal position (center of texture in world)
+// byte (texture index of precached decal texture name)
+// short (entity index)
+
+#define TE_FIZZ				105		// create alpha sprites inside of entity, float upwards
+// short (entity)
+// short (sprite index)
+// byte (density)
+
+#define TE_MODEL			106		// create a moving model that bounces and makes a sound when it hits
+// coord, coord, coord (position) 
+// coord, coord, coord (velocity)
+// angle (initial yaw)
+// short (model index)
+// byte (bounce sound type)
+// byte (life in 0.1's)
+
+#define TE_EXPLODEMODEL		107		// spherical shower of models, picks from set
+// coord, coord, coord (origin)
+// coord (velocity)
+// short (model index)
+// short (count)
+// byte (life in 0.1's)
+
+#define TE_BREAKMODEL		108		// box of models or sprites
+// coord, coord, coord (position)
+// coord, coord, coord (size)
+// coord, coord, coord (velocity)
+// byte (random velocity in 10's)
+// short (sprite or model index)
+// byte (count)
+// byte (life in 0.1 secs)
+// byte (flags)
+
+#define TE_GUNSHOTDECAL		109		// decal and ricochet sound
+// coord, coord, coord (position)
+// short (entity index???)
+// byte (decal???)
+
+#define TE_SPRITE_SPRAY		110		// spay of alpha sprites
+// coord, coord, coord (position)
+// coord, coord, coord (velocity)
+// short (sprite index)
+// byte (count)
+// byte (speed)
+// byte (noise)
+
+#define TE_ARMOR_RICOCHET	111		// quick spark sprite, client ricochet sound. 
+// coord, coord, coord (position)
+// byte (scale in 0.1's)
+
+#define TE_PLAYERDECAL		112		// ???
+// byte (playerindex)
+// coord, coord, coord (position)
+// short (entity???)
+// byte (decal number???)
+// [optional] short (model index???)
+
+#define TE_BUBBLES			113		// create alpha sprites inside of box, float upwards
+// coord, coord, coord (min start position)
+// coord, coord, coord (max start position)
+// coord (float height)
+// short (model index)
+// byte (count)
+// coord (speed)
+
+#define TE_BUBBLETRAIL		114		// create alpha sprites along a line, float upwards
+// coord, coord, coord (min start position)
+// coord, coord, coord (max start position)
+// coord (float height)
+// short (model index)
+// byte (count)
+// coord (speed)
+
+#define TE_BLOODSPRITE		115		// spray of opaque sprite1's that fall, single sprite2 for 1..2 secs (this is a high-priority tent)
+// coord, coord, coord (position)
+// short (sprite1 index)
+// short (sprite2 index)
+// byte (color)
+// byte (scale)
+
+#define TE_WORLDDECAL		116		// Decal applied to the world brush
+// coord, coord, coord (x,y,z), decal position (center of texture in world)
+// byte (texture index of precached decal texture name)
+
+#define TE_WORLDDECALHIGH	117		// Decal (with texture index > 256) applied to world brush
+// coord, coord, coord (x,y,z), decal position (center of texture in world)
+// byte (texture index of precached decal texture name - 256)
+
+#define TE_DECALHIGH		118		// Same as TE_DECAL, but the texture index was greater than 256
+// coord, coord, coord (x,y,z), decal position (center of texture in world)
+// byte (texture index of precached decal texture name - 256)
+// short (entity index)
+
+#define TE_PROJECTILE		119		// Makes a projectile (like a nail) (this is a high-priority tent)
+// coord, coord, coord (position)
+// coord, coord, coord (velocity)
+// short (modelindex)
+// byte (life)
+// byte (owner)  projectile won't collide with owner (if owner == 0, projectile will hit any client).
+
+#define TE_SPRAY			120		// Throws a shower of sprites or models
+// coord, coord, coord (position)
+// coord, coord, coord (direction)
+// short (modelindex)
+// byte (count)
+// byte (speed)
+// byte (noise)
+// byte (rendermode)
+
+#define TE_PLAYERSPRITES	121		// sprites emit from a player's bounding box (ONLY use for players!)
+// byte (playernum)
+// short (sprite modelindex)
+// byte (count)
+// byte (variance) (0 = no variance in size) (10 = 10% variance in size)
+
+#define TE_PARTICLEBURST	122		// very similar to lavasplash.
+// coord (origin)
+// short (radius)
+// byte (particle color)
+// byte (duration * 10) (will be randomized a bit)
+
+#define TE_FIREFIELD			123		// makes a field of fire.
+// coord (origin)
+// short (radius) (fire is made in a square around origin. -radius, -radius to radius, radius)
+// short (modelindex)
+// byte (count)
+// byte (flags)
+// byte (duration (in seconds) * 10) (will be randomized a bit)
+//
+// to keep network traffic low, this message has associated flags that fit into a byte:
+#define TEFIRE_FLAG_ALLFLOAT	1 // all sprites will drift upwards as they animate
+#define TEFIRE_FLAG_SOMEFLOAT	2 // some of the sprites will drift upwards. (50% chance)
+#define TEFIRE_FLAG_LOOP		4 // if set, sprite plays at 15 fps, otherwise plays at whatever rate stretches the animation over the sprite's duration.
+#define TEFIRE_FLAG_ALPHA		8 // if set, sprite is rendered alpha blended at 50% else, opaque
+#define TEFIRE_FLAG_PLANAR		16 // if set, all fire sprites have same initial Z instead of randomly filling a cube. 
+#define TEFIRE_FLAG_ADDITIVE	32 // if set, sprite is rendered non-opaque with additive
+
+#define TE_PLAYERATTACHMENT			124 // attaches a TENT to a player (this is a high-priority tent)
+// byte (entity index of player)
+// coord (vertical offset) ( attachment origin.z = player origin.z + vertical offset )
+// short (model index)
+// short (life * 10 );
+
+#define TE_KILLPLAYERATTACHMENTS	125 // will expire all TENTS attached to a player.
+// byte (entity index of player)
+
+#define TE_MULTIGUNSHOT				126 // much more compact shotgun message
+// This message is used to make a client approximate a 'spray' of gunfire.
+// Any weapon that fires more than one bullet per frame and fires in a bit of a spread is
+// a good candidate for MULTIGUNSHOT use. (shotguns)
+//
+// NOTE: This effect makes the client do traces for each bullet, these client traces ignore
+//		 entities that have studio models.Traces are 4096 long.
+//
+// coord (origin)
+// coord (origin)
+// coord (origin)
+// coord (direction)
+// coord (direction)
+// coord (direction)
+// coord (x noise * 100)
+// coord (y noise * 100)
+// byte (count)
+// byte (bullethole decal texture index)
+
+#define TE_USERTRACER				127 // larger message than the standard tracer, but allows some customization.
+// coord (origin)
+// coord (origin)
+// coord (origin)
+// coord (velocity)
+// coord (velocity)
+// coord (velocity)
+// byte ( life * 10 )
+// byte ( color ) this is an index into an array of color vectors in the engine. (0 - )
+// byte ( length * 10 )
+
+
+
+#define MSG_BROADCAST		0		// unreliable to all
+#define MSG_ONE				1		// reliable to one (msg_entity)
+#define MSG_ALL				2		// reliable to all
+#define MSG_INIT			3		// write to the init string
+#define MSG_PVS				4		// Ents in PVS of org
+#define MSG_PAS				5		// Ents in PAS of org
+#define MSG_PVS_R			6		// Reliable to PVS
+#define MSG_PAS_R			7		// Reliable to PAS
+#define MSG_ONE_UNRELIABLE	8		// Send to one client, but don't put in reliable stream, put in unreliable datagram ( could be dropped )
+#define MSG_SPEC			9		// Sends to all spectator proxies
+
+// contents of a spot in the world
+#define CONTENTS_EMPTY		-1
+#define CONTENTS_SOLID		-2
+#define CONTENTS_WATER		-3
+#define CONTENTS_SLIME		-4
+#define CONTENTS_LAVA		-5
+#define CONTENTS_SKY		-6
+/* These additional contents constants are defined in bspfile.h
+#define CONTENTS_ORIGIN		-7		// removed at csg time
+#define CONTENTS_CLIP		-8		// changed to contents_solid
+#define CONTENTS_CURRENT_0		-9
+#define CONTENTS_CURRENT_90		-10
+#define CONTENTS_CURRENT_180	-11
+#define CONTENTS_CURRENT_270	-12
+#define CONTENTS_CURRENT_UP		-13
+#define CONTENTS_CURRENT_DOWN	-14
+
+#define CONTENTS_TRANSLUCENT	-15
+*/
+#define CONTENTS_LADDER		-16
+
+#define CONTENT_FLYFIELD			-17
+#define CONTENT_GRAVITY_FLYFIELD	-18
+#define CONTENT_FOG					-19
+
+#define CONTENT_EMPTY	-1
+#define CONTENT_SOLID	-2
+#define CONTENT_WATER	-3
+#define CONTENT_SLIME	-4
+#define CONTENT_LAVA	-5
+#define CONTENT_SKY		-6
+
+// channels
+#define CHAN_AUTO			0
+#define CHAN_WEAPON			1
+#define CHAN_VOICE			2
+#define CHAN_ITEM			3
+#define CHAN_BODY			4
+#define CHAN_STREAM			5			// allocate stream channel from the static or dynamic area
+#define CHAN_STATIC			6			// allocate channel from the static area 
+#define CHAN_NETWORKVOICE_BASE	7		// voice data coming across the network
+#define CHAN_NETWORKVOICE_END	500		// network voice data reserves slots (CHAN_NETWORKVOICE_BASE through CHAN_NETWORKVOICE_END).
+#define CHAN_BOT			501			// channel used for bot chatter.
+
+// attenuation values
+#define ATTN_NONE		0
+#define ATTN_NORM		(float)0.8
+#define ATTN_IDLE		(float)2
+#define ATTN_STATIC		(float)1.25
+
+// pitch values
+#define PITCH_NORM		100			// non-pitch shifted
+#define PITCH_LOW		95			// other values are possible - 0-255, where 255 is very high
+#define PITCH_HIGH		120
+
+// volume values
+#define VOL_NORM		1.0
+
+// plats
+#define PLAT_LOW_TRIGGER	1
+
+// Trains
+#define SF_TRAIN_WAIT_RETRIGGER	1
+#define SF_TRAIN_START_ON		4		// Train is initially moving
+#define SF_TRAIN_PASSABLE		8		// Train is not solid -- used to make water trains
+
+// buttons
+#ifndef IN_BUTTONS_H
+#include "in_buttons.h"
+#endif
+
+// Break Model Defines
+
+#define BREAK_TYPEMASK	0x4F
+#define BREAK_GLASS		0x01
+#define BREAK_METAL		0x02
+#define BREAK_FLESH		0x04
+#define BREAK_WOOD		0x08
+
+#define BREAK_SMOKE		0x10
+#define BREAK_TRANS		0x20
+#define BREAK_CONCRETE	0x40
+#define BREAK_2			0x80
+
+// Colliding temp entity sounds
+
+#define BOUNCE_GLASS	BREAK_GLASS
+#define BOUNCE_METAL	BREAK_METAL
+#define BOUNCE_FLESH	BREAK_FLESH
+#define BOUNCE_WOOD		BREAK_WOOD
+#define BOUNCE_SHRAP	0x10
+#define BOUNCE_SHELL	0x20
+#define BOUNCE_CONCRETE BREAK_CONCRETE
+#define BOUNCE_SHOTSHELL 0x80
+
+// Temp entity bounce sound types
+#define TE_BOUNCE_NULL		0
+#define TE_BOUNCE_SHELL		1
+#define TE_BOUNCE_SHOTSHELL	2
+
+// Rendering constants
+enum 
+{	
+	kRenderNormal,			// src
+	kRenderTransColor,		// c*a+dest*(1-a)
+	kRenderTransTexture,	// src*a+dest*(1-a)
+	kRenderGlow,			// src*a+dest -- No Z buffer checks
+	kRenderTransAlpha,		// src*srca+dest*(1-srca)
+	kRenderTransAdd,		// src*a+dest
+};
+
+enum 
+{	
+	kRenderFxNone = 0, 
+	kRenderFxPulseSlow, 
+	kRenderFxPulseFast, 
+	kRenderFxPulseSlowWide, 
+	kRenderFxPulseFastWide, 
+	kRenderFxFadeSlow, 
+	kRenderFxFadeFast, 
+	kRenderFxSolidSlow, 
+	kRenderFxSolidFast, 	   
+	kRenderFxStrobeSlow, 
+	kRenderFxStrobeFast, 
+	kRenderFxStrobeFaster, 
+	kRenderFxFlickerSlow, 
+	kRenderFxFlickerFast,
+	kRenderFxNoDissipation,
+	kRenderFxDistort,			// Distort/scale/translate flicker
+	kRenderFxHologram,			// kRenderFxDistort + distance fade
+	kRenderFxDeadPlayer,		// kRenderAmt is the player index
+	kRenderFxExplode,			// Scale up really big!
+	kRenderFxGlowShell,			// Glowing Shell
+	kRenderFxClampMinScale,		// Keep this sprite from getting very small (SPRITES only!)
+	kRenderFxLightMultiplier,	//CTM !!!CZERO added to tell the studiorender that the value in iuser2 is a lightmultiplier
+};
+
+
+typedef unsigned int	func_t;
+typedef unsigned int	string_t;
+
+typedef unsigned char 		byte;
+typedef unsigned short 		word;
+#define _DEF_BYTE_
+
+#undef true
+#undef false
+
+#ifndef __cplusplus
+typedef enum {false, true}	qboolean;
+#else 
+typedef int qboolean;
+#endif
+
+typedef struct
+{
+	byte r, g, b;
+} color24;
+
+typedef struct
+{
+	unsigned r, g, b, a;
+} colorVec;
+
+#ifdef _WIN32
+#pragma pack(push,2)
+#endif
+
+typedef struct
+{
+	unsigned short r, g, b, a;
+} PackedColorVec;
+
+#ifdef _WIN32
+#pragma pack(pop)
+#endif
+typedef struct link_s
+{
+	struct link_s	*prev, *next;
+} link_t;
+
+typedef struct edict_s edict_t;
+
+typedef struct
+{
+	vec3_t	normal;
+	float	dist;
+} plane_t;
+
+typedef struct
+{
+	qboolean	allsolid;		// if true, plane is not valid
+	qboolean	startsolid;		// if true, the initial point was in a solid area
+	qboolean	inopen, inwater;
+	float		fraction;		// time completed, 1.0 = didn't hit anything
+	vec3_t		endpos;			// final position
+	plane_t		plane;			// surface normal at impact
+	edict_t	*	ent;			// entity the surface is on
+	int			hitgroup;		// 0 == generic, non zero is specific body part
+} trace_t;
+
+#endif // CONST_H

common/crc.h

@@ -0,0 +1,55 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+/* crc.h */
+#pragma once
+
+#include "quakedef.h"
+
+// MD5 Hash
+typedef struct
+{
+	unsigned int buf[4];
+	unsigned int bits[2];
+	unsigned char in[64];
+} MD5Context_t;
+
+typedef unsigned int CRC32_t;
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+void CRC32_Init(CRC32_t *pulCRC);
+CRC32_t CRC32_Final(CRC32_t pulCRC);
+void CRC32_ProcessByte(CRC32_t *pulCRC, unsigned char ch);
+void CRC32_ProcessBuffer(CRC32_t *pulCRC, void *pBuffer, int nBuffer);
+BOOL CRC_File(CRC32_t *crcvalue, char *pszFileName);
+
+#ifdef __cplusplus
+}
+#endif
+
+byte COM_BlockSequenceCRCByte(byte *base, int length, int sequence);
+int CRC_MapFile(CRC32_t *crcvalue, char *pszFileName);
+
+void MD5Init(MD5Context_t *ctx);
+void MD5Update(MD5Context_t *ctx, const unsigned char *buf, unsigned int len);
+void MD5Final(unsigned char digest[16], MD5Context_t *ctx);
+void MD5Transform(unsigned int buf[4], const unsigned int in[16]);
+
+BOOL MD5_Hash_File(unsigned char digest[16], char *pszFileName, BOOL bUsefopen, BOOL bSeed, unsigned int seed[4]);
+char *MD5_Print(unsigned char hash[16]);

common/cvardef.h

@@ -0,0 +1,39 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+
+#ifndef CVARDEF_H
+#define CVARDEF_H
+
+#define FCVAR_ARCHIVE			(1<<0)	// set to cause it to be saved to vars.rc
+#define FCVAR_USERINFO			(1<<1)	// changes the client's info string
+#define FCVAR_SERVER			(1<<2)	// notifies players when changed
+#define FCVAR_EXTDLL			(1<<3)	// defined by external DLL
+#define FCVAR_CLIENTDLL			(1<<4)  // defined by the client dll
+#define FCVAR_PROTECTED			(1<<5)  // It's a server cvar, but we don't send the data since it's a password, etc.  Sends 1 if it's not bland/zero, 0 otherwise as value
+#define FCVAR_SPONLY			(1<<6)  // This cvar cannot be changed by clients connected to a multiplayer server.
+#define FCVAR_PRINTABLEONLY		(1<<7)  // This cvar's string cannot contain unprintable characters ( e.g., used for player name etc ).
+#define FCVAR_UNLOGGED			(1<<8)  // If this is a FCVAR_SERVER, don't log changes to the log file / console if we are creating a log
+#define FCVAR_NOEXTRAWHITEPACE	(1<<9)  // strip trailing/leading white space from this cvar
+
+typedef struct cvar_s
+{
+	const char *name;
+	char	*string;
+	int		flags;
+	float	value;
+	struct cvar_s *next;
+} cvar_t;
+
+#endif // CVARDEF_H

common/demo_api.h

@@ -0,0 +1,31 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#if !defined ( DEMO_APIH )
+#define DEMO_APIH
+#ifdef _WIN32
+#pragma once
+#endif
+
+typedef struct demo_api_s
+{
+	int		( *IsRecording )	( void );
+	int		( *IsPlayingback )	( void );
+	int		( *IsTimeDemo )		( void );
+	void	( *WriteBuffer )	( int size, unsigned char *buffer );
+} demo_api_t;
+
+extern demo_api_t demoapi;
+
+#endif

common/director_cmds.h

@@ -0,0 +1,38 @@
+//========= Copyright © 1996-2002, Valve LLC, All rights reserved. ============
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================
+
+// director_cmds.h
+// sub commands for svc_director
+
+#define DRC_ACTIVE				0	// tells client that he's an spectator and will get director command
+#define DRC_STATUS				1	// send status infos about proxy 
+#define DRC_CAMERA				2	// set the actual director camera position
+#define DRC_EVENT				3	// informs the dircetor about ann important game event
+
+
+#define DRC_FLAG_PRIO_MASK		0x0F	//	priorities between 0 and 15 (15 most important)
+#define DRC_FLAG_SIDE			(1<<4)	
+#define DRC_FLAG_DRAMATIC		(1<<5)
+
+
+
+// commands of the director API function CallDirectorProc(...)
+
+#define DRCAPI_NOP					0	// no operation
+#define DRCAPI_ACTIVE				1	// de/acivates director mode in engine
+#define DRCAPI_STATUS				2   // request proxy information
+#define DRCAPI_SETCAM				3	// set camera n to given position and angle
+#define DRCAPI_GETCAM				4	// request camera n position and angle
+#define DRCAPI_DIRPLAY				5	// set director time and play with normal speed
+#define DRCAPI_DIRFREEZE			6	// freeze directo at this time
+#define DRCAPI_SETVIEWMODE			7	// overview or 4 cameras 
+#define DRCAPI_SETOVERVIEWPARAMS	8	// sets parameter for overview mode
+#define DRCAPI_SETFOCUS				9	// set the camera which has the input focus
+#define DRCAPI_GETTARGETS			10	// queries engine for player list
+#define DRCAPI_SETVIEWPOINTS		11	// gives engine all waypoints
+
+

common/dlight.h

@@ -0,0 +1,33 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#if !defined ( DLIGHTH )
+#define DLIGHTH
+#ifdef _WIN32
+#pragma once
+#endif
+
+typedef struct dlight_s
+{
+	vec3_t	origin;
+	float	radius;
+	color24	color;
+	float	die;				// stop lighting after this time
+	float	decay;				// drop this each second
+	float	minlight;			// don't add when contributing less
+	int		key;
+	qboolean	dark;			// subtracts light instead of adding
+} dlight_t;
+
+#endif

common/dll_state.h

@@ -0,0 +1,23 @@
+//========= Copyright © 1996-2002, Valve LLC, All rights reserved. ============
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================
+
+//DLL State Flags
+
+#define DLL_INACTIVE 0		// no dll
+#define DLL_ACTIVE   1		// dll is running
+#define DLL_PAUSED   2		// dll is paused
+#define DLL_CLOSE    3		// closing down dll
+#define DLL_TRANS    4 		// Level Transition
+
+// DLL Pause reasons
+
+#define DLL_NORMAL        0   // User hit Esc or something.
+#define DLL_QUIT          4   // Quit now
+#define DLL_RESTART       5   // Switch to launcher for linux, does a quit but returns 1
+
+// DLL Substate info ( not relevant )
+#define ENG_NORMAL         (1<<0)

common/entity_state.h

@@ -0,0 +1,197 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+
+#ifndef ENTITY_STATE_H
+#define ENTITY_STATE_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "const.h"
+
+
+// For entityType below
+#define ENTITY_NORMAL		(1<<0)
+#define ENTITY_BEAM			(1<<1)
+
+// Entity state is used for the baseline and for delta compression of a packet of 
+//  entities that is sent to a client.
+typedef struct entity_state_s entity_state_t;
+
+struct entity_state_s
+{
+// Fields which are filled in by routines outside of delta compression
+	int			entityType;
+	// Index into cl_entities array for this entity.
+	int			number;
+	float		msg_time;
+
+	// Message number last time the player/entity state was updated.
+	int			messagenum;
+
+	// Fields which can be transitted and reconstructed over the network stream
+	vec3_t		origin;
+	vec3_t		angles;
+
+	int			modelindex;
+	int			sequence;
+	float		frame;
+	int			colormap;
+	short		skin;
+	short		solid;
+	int			effects;
+	float		scale;
+
+	byte		eflags;
+	
+	// Render information
+	int			rendermode;
+	int			renderamt;
+	color24		rendercolor;
+	int			renderfx;
+
+	int			movetype;
+	float		animtime;
+	float		framerate;
+	int			body;
+	byte		controller[4];
+	byte		blending[4];
+	vec3_t		velocity;
+
+	// Send bbox down to client for use during prediction.
+	vec3_t		mins;
+	vec3_t		maxs;
+
+	int			aiment;
+	// If owned by a player, the index of that player ( for projectiles ).
+	int			owner; 
+
+	// Friction, for prediction.
+	float		friction;
+	// Gravity multiplier
+	float		gravity;
+
+// PLAYER SPECIFIC
+	int			team;
+	int			playerclass;
+	int			health;
+	qboolean	spectator;
+	int			weaponmodel;
+	int			gaitsequence;
+	// If standing on conveyor, e.g.
+	vec3_t		basevelocity;
+	// Use the crouched hull, or the regular player hull.
+	int			usehull;
+	// Latched buttons last time state updated.
+	int			oldbuttons;
+	// -1 = in air, else pmove entity number
+	int			onground;
+	int			iStepLeft;
+	// How fast we are falling
+	float		flFallVelocity;
+
+	float		fov;
+	int			weaponanim;
+
+	// Parametric movement overrides
+	vec3_t		startpos;
+	vec3_t		endpos;
+	float		impacttime;
+	float		starttime;
+
+	// For mods
+	int			iuser1;
+	int			iuser2;
+	int			iuser3;
+	int			iuser4;
+	float		fuser1;
+	float		fuser2;
+	float		fuser3;
+	float		fuser4;
+	vec3_t		vuser1;
+	vec3_t		vuser2;
+	vec3_t		vuser3;
+	vec3_t		vuser4;
+};
+
+#include "pm_info.h"
+
+typedef struct clientdata_s
+{
+	vec3_t				origin;
+	vec3_t				velocity;
+
+	int					viewmodel;
+	vec3_t				punchangle;
+	int					flags;
+	int					waterlevel;
+	int					watertype;
+	vec3_t				view_ofs;
+	float				health;
+
+	int					bInDuck;
+
+	int					weapons; // remove?
+	
+	int					flTimeStepSound;
+	int					flDuckTime;
+	int					flSwimTime;
+	int					waterjumptime;
+
+	float				maxspeed;
+
+	float				fov;
+	int					weaponanim;
+
+	int					m_iId;
+	int					ammo_shells;
+	int					ammo_nails;
+	int					ammo_cells;
+	int					ammo_rockets;
+	float				m_flNextAttack;
+	
+	int					tfstate;
+
+	int					pushmsec;
+
+	int					deadflag;
+
+	char				physinfo[ MAX_PHYSINFO_STRING ];
+
+	// For mods
+	int					iuser1;
+	int					iuser2;
+	int					iuser3;
+	int					iuser4;
+	float				fuser1;
+	float				fuser2;
+	float				fuser3;
+	float				fuser4;
+	vec3_t				vuser1;
+	vec3_t				vuser2;
+	vec3_t				vuser3;
+	vec3_t				vuser4;
+} clientdata_t;
+
+#include "weaponinfo.h"
+
+typedef struct local_state_s
+{
+	entity_state_t	playerstate;
+	clientdata_t	client;
+	weapon_data_t	weapondata[ 64 ];
+} local_state_t;
+
+#endif // ENTITY_STATE_H

common/entity_types.h

@@ -0,0 +1,26 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+// entity_types.h
+#if !defined( ENTITY_TYPESH )
+#define ENTITY_TYPESH
+
+#define ET_NORMAL		0
+#define ET_PLAYER		1
+#define ET_TEMPENTITY	2
+#define ET_BEAM			3
+// BMODEL or SPRITE that was split across BSP nodes
+#define ET_FRAGMENTED	4
+
+#endif // !ENTITY_TYPESH

common/enums.h

@@ -0,0 +1,27 @@
+/***
+ *
+ *	Copyright (c) 2009, Valve LLC. All rights reserved.
+ *	
+ *	This product contains software technology licensed from Id 
+ *	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+ *	All Rights Reserved.
+ *
+ *   Use, distribution, and modification of this source code and/or resulting
+ *   object code is restricted to non-commercial enhancements to products from
+ *   Valve LLC.  All other use, distribution, or modification is prohibited
+ *   without written permission from Valve LLC.
+ *
+ ****/
+
+#ifndef ENUMS_H
+#define ENUMS_H
+
+typedef enum netsrc_s
+{
+	NS_CLIENT,
+	NS_SERVER,
+	NS_MULTICAST	// xxxMO
+} netsrc_t;
+
+#endif
+

common/event_api.h

@@ -0,0 +1,51 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#if !defined ( EVENT_APIH )
+#define EVENT_APIH
+#ifdef _WIN32
+#pragma once
+#endif
+
+#define EVENT_API_VERSION 1
+
+typedef struct event_api_s
+{
+	int		version;
+	void	( *EV_PlaySound ) ( int ent, float *origin, int channel, const char *sample, float volume, float attenuation, int fFlags, int pitch );
+	void	( *EV_StopSound ) ( int ent, int channel, const char *sample );
+	int		( *EV_FindModelIndex )( const char *pmodel );
+	int		( *EV_IsLocal ) ( int playernum );
+	int		( *EV_LocalPlayerDucking ) ( void );
+	void	( *EV_LocalPlayerViewheight ) ( float * );
+	void	( *EV_LocalPlayerBounds ) ( int hull, float *mins, float *maxs );
+	int		( *EV_IndexFromTrace) ( struct pmtrace_s *pTrace );
+	struct physent_s *( *EV_GetPhysent ) ( int idx );
+	void	( *EV_SetUpPlayerPrediction ) ( int dopred, int bIncludeLocalClient );
+	void	( *EV_PushPMStates ) ( void );
+	void	( *EV_PopPMStates ) ( void );
+	void	( *EV_SetSolidPlayers ) (int playernum);
+	void	( *EV_SetTraceHull ) ( int hull );
+	void	( *EV_PlayerTrace ) ( float *start, float *end, int traceFlags, int ignore_pe, struct pmtrace_s *tr );
+	void	( *EV_WeaponAnimation ) ( int sequence, int body );
+	unsigned short ( *EV_PrecacheEvent ) ( int type, const char* psz );
+	void	( *EV_PlaybackEvent ) ( int flags, const struct edict_s *pInvoker, unsigned short eventindex, float delay, float *origin, float *angles, float fparam1, float fparam2, int iparam1, int iparam2, int bparam1, int bparam2 );
+	const char *( *EV_TraceTexture ) ( int ground, float *vstart, float *vend );
+	void	( *EV_StopAllSounds ) ( int entnum, int entchannel );
+	void    ( *EV_KillEvents ) ( int entnum, const char *eventname );
+} event_api_t;
+
+extern event_api_t eventapi;
+
+#endif

common/event_args.h

@@ -0,0 +1,50 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#if !defined( EVENT_ARGSH )
+#define EVENT_ARGSH
+#ifdef _WIN32
+#pragma once
+#endif
+
+// Event was invoked with stated origin
+#define FEVENT_ORIGIN	( 1<<0 )
+
+// Event was invoked with stated angles
+#define FEVENT_ANGLES	( 1<<1 )
+
+typedef struct event_args_s
+{
+	int		flags;
+
+	// Transmitted
+	int		entindex;
+
+	float	origin[3];
+	float	angles[3];
+	float	velocity[3];
+
+	int		ducking;
+
+	float	fparam1;
+	float	fparam2;
+
+	int		iparam1;
+	int		iparam2;
+
+	int		bparam1;
+	int		bparam2;
+} event_args_t;
+
+#endif

common/event_flags.h

@@ -0,0 +1,47 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#if !defined( EVENT_FLAGSH )
+#define EVENT_FLAGSH
+#ifdef _WIN32
+#pragma once
+#endif
+
+// Skip local host for event send.
+#define FEV_NOTHOST		(1<<0)    
+
+// Send the event reliably.  You must specify the origin and angles and use
+// PLAYBACK_EVENT_FULL for this to work correctly on the server for anything
+// that depends on the event origin/angles.  I.e., the origin/angles are not
+// taken from the invoking edict for reliable events.
+#define FEV_RELIABLE	(1<<1)	 
+
+// Don't restrict to PAS/PVS, send this event to _everybody_ on the server ( useful for stopping CHAN_STATIC
+//  sounds started by client event when client is not in PVS anymore ( hwguy in TFC e.g. ).
+#define FEV_GLOBAL		(1<<2)
+
+// If this client already has one of these events in its queue, just update the event instead of sending it as a duplicate
+//
+#define FEV_UPDATE		(1<<3)
+
+// Only send to entity specified as the invoker
+#define	FEV_HOSTONLY	(1<<4)
+
+// Only send if the event was created on the server.
+#define FEV_SERVER		(1<<5)
+
+// Only issue event client side ( from shared code )
+#define FEV_CLIENT		(1<<6)
+
+#endif

common/hltv.h

@@ -0,0 +1,61 @@
+//========= Copyright © 1996-2002, Valve LLC, All rights reserved. ============
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================
+
+// hltv.h
+// all shared consts between server, clients and proxy
+
+#ifndef HLTV_H
+#define HLTV_H
+
+#define TYPE_CLIENT				0	// client is a normal HL client (default)
+#define TYPE_PROXY				1	// client is another proxy
+#define TYPE_COMMENTATOR		3	// client is a commentator
+#define TYPE_DEMO				4	// client is a demo file
+
+// sub commands of svc_hltv:
+#define HLTV_ACTIVE				0	// tells client that he's an spectator and will get director commands
+#define HLTV_STATUS				1	// send status infos about proxy 
+#define HLTV_LISTEN				2	// tell client to listen to a multicast stream
+
+// director command types:
+#define DRC_CMD_NONE				0	// NULL director command
+#define DRC_CMD_START				1	// start director mode
+#define DRC_CMD_EVENT				2	// informs about director command
+#define DRC_CMD_MODE				3	// switches camera modes
+#define DRC_CMD_CAMERA				4	// set fixed camera
+#define DRC_CMD_TIMESCALE			5	// sets time scale
+#define DRC_CMD_MESSAGE				6	// send HUD centerprint
+#define DRC_CMD_SOUND				7	// plays a particular sound
+#define DRC_CMD_STATUS				8	// HLTV broadcast status
+#define DRC_CMD_BANNER				9	// set GUI banner
+#define DRC_CMD_STUFFTEXT			10	// like the normal svc_stufftext but as director command
+#define DRC_CMD_CHASE				11	// chase a certain player
+#define DRC_CMD_INEYE				12	// view player through own eyes
+#define DRC_CMD_MAP					13	// show overview map
+#define DRC_CMD_CAMPATH				14	// define camera waypoint
+#define DRC_CMD_WAYPOINTS			15	// start moving camera, inetranl message
+
+#define DRC_CMD_LAST				15
+
+
+// DRC_CMD_EVENT event flags
+#define DRC_FLAG_PRIO_MASK		0x0F	// priorities between 0 and 15 (15 most important)
+#define DRC_FLAG_SIDE			(1<<4)	// 
+#define DRC_FLAG_DRAMATIC		(1<<5)	// is a dramatic scene
+#define DRC_FLAG_SLOWMOTION		(1<<6)  // would look good in SloMo
+#define DRC_FLAG_FACEPLAYER		(1<<7)  // player is doning something (reload/defuse bomb etc)
+#define DRC_FLAG_INTRO			(1<<8)	// is a introduction scene
+#define DRC_FLAG_FINAL			(1<<9)	// is a final scene
+#define DRC_FLAG_NO_RANDOM		(1<<10)	// don't randomize event data
+
+
+// DRC_CMD_WAYPOINT flags
+#define DRC_FLAG_STARTPATH		1	// end with speed 0.0
+#define DRC_FLAG_SLOWSTART		2	// start with speed 0.0
+#define DRC_FLAG_SLOWEND		4	// end with speed 0.0
+
+#endif // HLTV_H

common/in_buttons.h

@@ -0,0 +1,38 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef IN_BUTTONS_H
+#define IN_BUTTONS_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#define IN_ATTACK	(1 << 0)
+#define IN_JUMP		(1 << 1)
+#define IN_DUCK		(1 << 2)
+#define IN_FORWARD	(1 << 3)
+#define IN_BACK		(1 << 4)
+#define IN_USE		(1 << 5)
+#define IN_CANCEL	(1 << 6)
+#define IN_LEFT		(1 << 7)
+#define IN_RIGHT	(1 << 8)
+#define IN_MOVELEFT	(1 << 9)
+#define IN_MOVERIGHT (1 << 10)
+#define IN_ATTACK2	(1 << 11)
+#define IN_RUN      (1 << 12)
+#define IN_RELOAD	(1 << 13)
+#define IN_ALT1		(1 << 14)
+#define IN_SCORE	(1 << 15)   // Used by client.dll for when scoreboard is held down
+
+#endif // IN_BUTTONS_H

common/ivoicetweak.h

@@ -0,0 +1,38 @@
+//========= Copyright © 1996-2002, Valve LLC, All rights reserved. ============
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================
+
+#ifndef IVOICETWEAK_H
+#define IVOICETWEAK_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+// These provide access to the voice controls.
+typedef enum
+{
+	MicrophoneVolume=0,			// values 0-1.
+	OtherSpeakerScale,			// values 0-1. Scales how loud other players are.
+	MicBoost,					// 20 db gain to voice input
+} VoiceTweakControl;
+
+
+typedef struct IVoiceTweak_s
+{
+	// These turn voice tweak mode on and off. While in voice tweak mode, the user's voice is echoed back
+	// without sending to the server. 
+	int				(*StartVoiceTweakMode)();	// Returns 0 on error.
+	void			(*EndVoiceTweakMode)();
+
+	// Get/set control values.
+	void			(*SetControlFloat)(VoiceTweakControl iControl, float value);
+	float			(*GetControlFloat)(VoiceTweakControl iControl);
+
+	int				(*GetSpeakingVolume)();
+} IVoiceTweak;
+
+
+#endif // IVOICETWEAK_H

common/kbutton.h

@@ -0,0 +1,44 @@
+/*
+*
+*    This program is free software; you can redistribute it and/or modify it
+*    under the terms of the GNU General Public License as published by the
+*    Free Software Foundation; either version 2 of the License, or (at
+*    your option) any later version.
+*
+*    This program is distributed in the hope that it will be useful, but
+*    WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*    You should have received a copy of the GNU General Public License
+*    along with this program; if not, write to the Free Software Foundation,
+*    Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*
+*    In addition, as a special exception, the author gives permission to
+*    link the code of this program with the Half-Life Game Engine ("HL
+*    Engine") and Modified Game Libraries ("MODs") developed by Valve,
+*    L.L.C ("Valve").  You must obey the GNU General Public License in all
+*    respects for all of the code used other than the HL Engine and MODs
+*    from Valve.  If you modify this file, you may extend this exception
+*    to your version of the file, but you are not obligated to do so.  If
+*    you do not wish to do so, delete this exception statement from your
+*    version.
+*
+*/
+
+#ifndef KBUTTON_H
+#define KBUTTON_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+/* <31b2a> ../common/kbutton.h:7 */
+typedef struct kbutton_s
+{
+	int down[2];
+	int state;
+} kbutton_t;
+
+
+#endif // KBUTTON_H

common/mathlib.h

@@ -0,0 +1,52 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+
+#pragma once
+
+
+/* <42b7f> ../common/mathlib.h:3 */
+typedef float vec_t;
+
+/* <42b91> ../common/mathlib.h:6 */
+#ifndef DID_VEC3_T_DEFINE
+#define DID_VEC3_T_DEFINE
+typedef vec_t vec3_t[3];
+#endif
+
+/* <80013> ../common/mathlib.h:8 */
+typedef vec_t vec4_t[4];
+
+/* <42bac> ../common/mathlib.h:18 */
+typedef int fixed16_t; /* size: 4 */
+
+/* <42bb7> ../common/mathlib.h:60 */
+typedef union DLONG_u
+{
+	int i[2];
+	double d;
+	float f;
+} DLONG;
+
+#define M_PI			3.14159265358979323846
+
+#ifndef max
+#define max(a,b) (((a) > (b)) ? (a) : (b))
+#endif
+
+#ifndef min
+#define min(a,b) (((a) < (b)) ? (a) : (b))
+#endif
+
+#define clamp(val, min, max) (((val) > (max)) ? (max) : (((val) < (min)) ? (min) : (val)))

common/net_api.h

@@ -0,0 +1,99 @@
+//========= Copyright © 1996-2002, Valve LLC, All rights reserved. ============
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================
+
+#if !defined( NET_APIH )
+#define NET_APIH
+#ifdef _WIN32
+#pragma once
+#endif
+
+#if !defined ( NETADRH )
+#include "netadr.h"
+#endif
+
+#define NETAPI_REQUEST_SERVERLIST	( 0 )  // Doesn't need a remote address
+#define NETAPI_REQUEST_PING			( 1 )
+#define NETAPI_REQUEST_RULES		( 2 )
+#define NETAPI_REQUEST_PLAYERS		( 3 )
+#define NETAPI_REQUEST_DETAILS		( 4 )
+
+// Set this flag for things like broadcast requests, etc. where the engine should not
+//  kill the request hook after receiving the first response
+#define FNETAPI_MULTIPLE_RESPONSE ( 1<<0 )
+
+typedef void ( *net_api_response_func_t ) ( struct net_response_s *response );
+
+#define NET_SUCCESS						( 0 )
+#define NET_ERROR_TIMEOUT				( 1<<0 )
+#define NET_ERROR_PROTO_UNSUPPORTED		( 1<<1 )
+#define NET_ERROR_UNDEFINED				( 1<<2 )
+
+typedef struct net_adrlist_s
+{
+	struct net_adrlist_s	*next;
+	netadr_t				remote_address;
+} net_adrlist_t;
+
+typedef struct net_response_s
+{
+	// NET_SUCCESS or an error code
+	int			error;
+
+	// Context ID
+	int			context;
+	// Type
+	int			type;
+
+	// Server that is responding to the request
+	netadr_t	remote_address;
+
+	// Response RTT ping time
+	double		ping;
+	// Key/Value pair string ( separated by backlash \ characters )
+	// WARNING:  You must copy this buffer in the callback function, because it is freed
+	//  by the engine right after the call!!!!
+	// ALSO:  For NETAPI_REQUEST_SERVERLIST requests, this will be a pointer to a linked list of net_adrlist_t's
+	void		*response;
+} net_response_t;
+
+typedef struct net_status_s
+{
+		// Connected to remote server?  1 == yes, 0 otherwise
+	int			connected; 
+	// Client's IP address
+	netadr_t	local_address;
+	// Address of remote server
+	netadr_t	remote_address;
+	// Packet Loss ( as a percentage )
+	int			packet_loss;
+	// Latency, in seconds ( multiply by 1000.0 to get milliseconds )
+	double		latency;
+	// Connection time, in seconds
+	double		connection_time;
+	// Rate setting ( for incoming data )
+	double		rate;
+} net_status_t;
+
+typedef struct net_api_s
+{
+	// APIs
+	void		( *InitNetworking )( void );
+	void		( *Status ) ( struct net_status_s *status );
+	void		( *SendRequest) ( int context, int request, int flags, double timeout, struct netadr_s *remote_address, net_api_response_func_t response );
+	void		( *CancelRequest ) ( int context );
+	void		( *CancelAllRequests ) ( void );
+	char		*( *AdrToString ) ( struct netadr_s *a );
+	int			( *CompareAdr ) ( struct netadr_s *a, struct netadr_s *b );
+	int			( *StringToAdr ) ( char *s, struct netadr_s *a );
+	const char *( *ValueForKey ) ( const char *s, const char *key );
+	void		( *RemoveKey ) ( char *s, const char *key );
+	void		( *SetValueForKey ) (char *s, const char *key, const char *value, int maxsize );
+} net_api_t;
+
+extern net_api_t netapi;
+
+#endif // NET_APIH

common/netadr.h

@@ -0,0 +1,40 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+// netadr.h
+#ifndef NETADR_H
+#define NETADR_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+typedef enum
+{
+	NA_UNUSED,
+	NA_LOOPBACK,
+	NA_BROADCAST,
+	NA_IP,
+	NA_IPX,
+	NA_BROADCAST_IPX,
+} netadrtype_t;
+
+typedef struct netadr_s
+{
+	netadrtype_t	type;
+	unsigned char	ip[4];
+	unsigned char	ipx[10];
+	unsigned short	port;
+} netadr_t;
+
+#endif // NETADR_H

common/nowin.h

@@ -0,0 +1,16 @@
+//========= Copyright © 1996-2002, Valve LLC, All rights reserved. ============
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================
+
+#ifndef INC_NOWIN_H
+#define INC_NOWIN_H
+#ifndef _WIN32
+
+#include <unistd.h>
+#include <sys/types.h>
+
+#endif //!_WIN32
+#endif //INC_NOWIN_H

common/parsemsg.cpp

@@ -0,0 +1,259 @@
+/***
+*
+*	Copyright (c) 1999, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+//
+//  parsemsg.cpp
+//
+//--------------------------------------------------------------------------------------------------------------
+#include "parsemsg.h"
+#include <port.h>
+
+typedef unsigned char byte;
+#define true 1
+
+static byte *gpBuf;
+static int giSize;
+static int giRead;
+static int giBadRead;
+
+int READ_OK( void )
+{
+	return !giBadRead;
+}
+
+void BEGIN_READ( void *buf, int size )
+{
+	giRead = 0;
+	giBadRead = 0;
+	giSize = size;
+	gpBuf = (byte*)buf;
+}
+
+
+int READ_CHAR( void )
+{
+	int     c;
+	
+	if (giRead + 1 > giSize)
+	{
+		giBadRead = true;
+		return -1;
+	}
+		
+	c = (signed char)gpBuf[giRead];
+	giRead++;
+	
+	return c;
+}
+
+int READ_BYTE( void )
+{
+	int     c;
+	
+	if (giRead+1 > giSize)
+	{
+		giBadRead = true;
+		return -1;
+	}
+		
+	c = (unsigned char)gpBuf[giRead];
+	giRead++;
+	
+	return c;
+}
+
+int READ_SHORT( void )
+{
+	int     c;
+	
+	if (giRead+2 > giSize)
+	{
+		giBadRead = true;
+		return -1;
+	}
+		
+	c = (short)( gpBuf[giRead] + ( gpBuf[giRead+1] << 8 ) );
+	
+	giRead += 2;
+	
+	return c;
+}
+
+int READ_WORD( void )
+{
+	return READ_SHORT();
+}
+
+
+int READ_LONG( void )
+{
+	int     c;
+	
+	if (giRead+4 > giSize)
+	{
+		giBadRead = true;
+		return -1;
+	}
+		
+ 	c = gpBuf[giRead] + (gpBuf[giRead + 1] << 8) + (gpBuf[giRead + 2] << 16) + (gpBuf[giRead + 3] << 24);
+	
+	giRead += 4;
+	
+	return c;
+}
+
+float READ_FLOAT( void )
+{
+	union
+	{
+		byte    b[4];
+		float   f;
+		int     l;
+	} dat;
+	
+	dat.b[0] = gpBuf[giRead];
+	dat.b[1] = gpBuf[giRead+1];
+	dat.b[2] = gpBuf[giRead+2];
+	dat.b[3] = gpBuf[giRead+3];
+	giRead += 4;
+	
+//	dat.l = LittleLong (dat.l);
+
+	return dat.f;   
+}
+
+char* READ_STRING( void )
+{
+	static char     string[2048];
+	int             l,c;
+
+	string[0] = 0;
+
+	l = 0;
+	do
+	{
+		if ( giRead+1 > giSize )
+			break; // no more characters
+
+		c = READ_CHAR();
+		if (c == -1 || c == 0)
+			break;
+		string[l] = c;
+		l++;
+	} while (l < sizeof(string)-1);
+	
+	string[l] = 0;
+	
+	return string;
+}
+
+float READ_COORD( void )
+{
+	return (float)(READ_SHORT() * (1.0/8));
+}
+
+float READ_ANGLE( void )
+{
+	return (float)(READ_CHAR() * (360.0/256));
+}
+
+float READ_HIRESANGLE( void )
+{
+	return (float)(READ_SHORT() * (360.0/65536));
+}
+
+//--------------------------------------------------------------------------------------------------------------
+BufferWriter::BufferWriter()
+{
+	Init( NULL, 0 );
+}
+
+//--------------------------------------------------------------------------------------------------------------
+BufferWriter::BufferWriter( unsigned char *buffer, int bufferLen )
+{
+	Init( buffer, bufferLen );
+}
+
+//--------------------------------------------------------------------------------------------------------------
+void BufferWriter::Init( unsigned char *buffer, int bufferLen )
+{
+	m_overflow = false;
+	m_buffer = buffer;
+	m_remaining = bufferLen;
+	m_overallLength = bufferLen;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+void BufferWriter::WriteByte( unsigned char data )
+{
+	if (!m_buffer || !m_remaining)
+	{
+		m_overflow = true;
+		return;
+	}
+
+	*m_buffer = data;
+	++m_buffer;
+	--m_remaining;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+void BufferWriter::WriteLong( int data )
+{
+	if (!m_buffer || m_remaining < 4)
+	{
+		m_overflow = true;
+		return;
+	}
+
+	m_buffer[0] = data&0xff;
+	m_buffer[1] = (data>>8)&0xff;
+	m_buffer[2] = (data>>16)&0xff;
+	m_buffer[3] = data>>24;
+	m_buffer += 4;
+	m_remaining -= 4;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+void BufferWriter::WriteString( const char *str )
+{
+	if (!m_buffer || !m_remaining)
+	{
+		m_overflow = true;
+		return;
+	}
+
+	if (!str)
+		str = "";
+
+	int len = strlen(str)+1;
+	if ( len > m_remaining )
+	{
+		m_overflow = true;
+		str = "";
+		len = 1;
+	}
+
+	strcpy((char *)m_buffer, str);
+	m_remaining -= len;
+	m_buffer += len;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+int BufferWriter::GetSpaceUsed()
+{
+	return m_overallLength - m_remaining;
+}
+
+//--------------------------------------------------------------------------------------------------------------

common/parsemsg.h

@@ -0,0 +1,66 @@
+/***
+*
+*	Copyright (c) 1999, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+//
+//  parsemsg.h
+//	MDC - copying from cstrike\cl_dll so career-mode stuff can catch messages
+//  in this dll. (and C++ifying it)
+//
+
+#ifndef PARSEMSG_H
+#define PARSEMSG_H
+
+#define ASSERT( x )
+//--------------------------------------------------------------------------------------------------------------
+void BEGIN_READ( void *buf, int size );
+int READ_CHAR( void );
+int READ_BYTE( void );
+int READ_SHORT( void );
+int READ_WORD( void );
+int READ_LONG( void );
+float READ_FLOAT( void );
+char* READ_STRING( void );
+float READ_COORD( void );
+float READ_ANGLE( void );
+float READ_HIRESANGLE( void );
+int READ_OK( void );
+
+//--------------------------------------------------------------------------------------------------------------
+class BufferWriter
+{
+public:
+	BufferWriter();
+	BufferWriter( unsigned char *buffer, int bufferLen );
+	void Init( unsigned char *buffer, int bufferLen );
+
+	void WriteByte( unsigned char data );
+	void WriteLong( int data );
+	void WriteString( const char *str );
+
+	bool HasOverflowed();
+	int GetSpaceUsed();
+
+protected:
+	unsigned char *m_buffer;
+	int m_remaining;
+	bool m_overflow;
+	int m_overallLength;
+};
+
+//--------------------------------------------------------------------------------------------------------------
+
+#endif // PARSEMSG_H
+
+
+

common/particledef.h

@@ -0,0 +1,57 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#if !defined( PARTICLEDEFH )
+#define PARTICLEDEFH
+#ifdef _WIN32
+#pragma once
+#endif
+
+typedef enum {
+	pt_static, 
+	pt_grav,
+	pt_slowgrav,
+	pt_fire,
+	pt_explode,
+	pt_explode2,
+	pt_blob,
+	pt_blob2,
+	pt_vox_slowgrav,
+	pt_vox_grav,
+	pt_clientcustom   // Must have callback function specified
+} ptype_t;
+
+// !!! if this is changed, it must be changed in d_ifacea.h too !!!
+typedef struct particle_s
+{
+// driver-usable fields
+	vec3_t		org;
+	short		color;
+	short		packedColor;
+// drivers never touch the following fields
+	struct particle_s	*next;
+	vec3_t		vel;
+	float		ramp;
+	float		die;
+	ptype_t		type;
+	void		(*deathfunc)( struct particle_s *particle );
+
+	// for pt_clientcusttom, we'll call this function each frame
+	void		(*callback)( struct particle_s *particle, float frametime );
+	
+	// For deathfunc, etc.
+	unsigned char context;
+} particle_t;
+
+#endif

common/pmtrace.h

@@ -0,0 +1,43 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#if !defined( PMTRACEH )
+#define PMTRACEH
+#ifdef _WIN32
+#pragma once
+#endif
+
+typedef struct
+{
+	vec3_t	normal;
+	float	dist;
+} pmplane_t;
+
+typedef struct pmtrace_s pmtrace_t;
+
+struct pmtrace_s
+{
+	qboolean	allsolid;	      // if true, plane is not valid
+	qboolean	startsolid;	      // if true, the initial point was in a solid area
+	qboolean	inopen, inwater;  // End point is in empty space or in water
+	float		fraction;		  // time completed, 1.0 = didn't hit anything
+	vec3_t		endpos;			  // final position
+	pmplane_t	plane;		      // surface normal at impact
+	int			ent;			  // entity at impact
+	vec3_t      deltavelocity;    // Change in player's velocity caused by impact.  
+								  // Only run on server.
+	int         hitgroup;
+};
+
+#endif

common/port.h

@@ -0,0 +1,119 @@
+// port.h: portability helper
+//
+//////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+#include "archtypes.h"     // DAL
+
+#ifdef _WIN32
+
+	// Insert your headers here
+	#define WIN32_LEAN_AND_MEAN		// Exclude rarely-used stuff from Windows headers
+	#define WIN32_EXTRA_LEAN
+
+	#include "winsani_in.h"
+	#include <windows.h>
+	#include "winsani_out.h"
+
+	#include <stdlib.h>
+	#include <stdio.h>
+	#include <stdarg.h>
+
+#else // _WIN32
+
+	#include <stdio.h>
+	#include <stdlib.h>
+	#include <unistd.h> // exit()
+	#include <string.h> // strncpy()
+	#include <ctype.h> // tolower()
+	#include <limits.h>
+	#include <sys/time.h>
+	#include <errno.h>
+	#include <sys/ioctl.h>
+
+	typedef unsigned char BYTE;
+
+	typedef int32 LONG;
+	//typedef uint32 ULONG;
+
+	#ifndef ARCHTYPES_H
+		typedef uint32 ULONG;
+	#endif
+
+	typedef void *HANDLE;
+
+	#ifndef HMODULE
+		typedef void *HMODULE;
+	#endif
+
+	typedef char * LPSTR;
+
+	#define __cdecl
+
+
+	#ifdef __linux__
+		typedef struct POINT_s
+		{
+			int x;
+			int y;
+		} POINT;
+		typedef void *HINSTANCE;
+		typedef void *HWND;
+		typedef void *HDC;
+		typedef void *HGLRC;
+
+		typedef struct RECT_s
+		{
+			int left;
+			int right;
+			int top;
+			int bottom;
+		} RECT;
+	#endif
+
+
+	#ifdef __cplusplus
+
+		//#undef FALSE
+		//#undef TRUE
+
+		#ifdef OSX
+			//#else
+			//const bool	FALSE		= false;
+			//const bool	TRUE		= true;
+		#endif
+	#endif
+
+	#ifndef NULL
+		#ifdef __cplusplus
+			#define NULL    0
+		#else
+			#define NULL    ((void *)0)
+		#endif
+	#endif
+
+	#ifdef __cplusplus
+		inline int		ioctlsocket( int d, int cmd, uint32 *argp )	{ return ioctl( d, cmd, argp ); }
+		inline int		closesocket( int fd )								{ return close( fd ); }
+		inline char *	GetCurrentDirectory( size_t size, char * buf )		{ return getcwd( buf, size ); }
+		inline int		WSAGetLastError()									{ return errno; }
+
+		inline void		DebugBreak( void ) { exit( 1 ); }
+	#endif
+
+	extern char g_szEXEName[ 4096 ];
+
+	#define _snprintf snprintf
+
+	#if defined(OSX)
+		#define SO_ARCH_SUFFIX ".dylib"
+	#else
+		#if defined ( __x86_64__ )
+			#define SO_ARCH_SUFFIX "_amd64.so"
+		#else
+			#define SO_ARCH_SUFFIX ".so"
+		#endif
+	#endif
+#endif
+

common/qfont.h

@@ -0,0 +1,41 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#if !defined( QFONTH )
+#define QFONTH
+#ifdef _WIN32
+#pragma once
+#endif
+
+// Font stuff
+
+#define NUM_GLYPHS 256
+// does not exist: // #include "basetypes.h"
+
+typedef struct
+{
+	short startoffset;
+	short charwidth;
+} charinfo;
+
+typedef struct qfont_s
+{
+	int 		width, height;
+	int			rowcount;
+	int			rowheight;
+	charinfo	fontinfo[ NUM_GLYPHS ];
+	unsigned char data[4];
+} qfont_t;
+
+#endif // qfont.h

common/quakedef.h

@@ -0,0 +1,41 @@
+/*
+*
+*    This program is free software; you can redistribute it and/or modify it
+*    under the terms of the GNU General Public License as published by the
+*    Free Software Foundation; either version 2 of the License, or (at
+*    your option) any later version.
+*
+*    This program is distributed in the hope that it will be useful, but
+*    WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*    You should have received a copy of the GNU General Public License
+*    along with this program; if not, write to the Free Software Foundation,
+*    Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*
+*    In addition, as a special exception, the author gives permission to
+*    link the code of this program with the Half-Life Game Engine ("HL
+*    Engine") and Modified Game Libraries ("MODs") developed by Valve,
+*    L.L.C ("Valve").  You must obey the GNU General Public License in all
+*    respects for all of the code used other than the HL Engine and MODs
+*    from Valve.  If you modify this file, you may extend this exception
+*    to your version of the file, but you are not obligated to do so.  If
+*    you do not wish to do so, delete this exception statement from your
+*    version.
+*
+*/
+#pragma once
+
+/* <19039> ../common/quakedef.h:29 */
+typedef int BOOL; /* size: 4 */
+
+/* <627f> ../common/quakedef.h:137 */
+//moved to com_model.h
+//typedef struct cache_user_s
+//{
+//	void *data;
+//} cache_user_t;
+
+/* <4313b> ../common/quakedef.h:162 */
+typedef int (*pfnUserMsgHook)(const char *, int, void *);

common/r_efx.h

@@ -0,0 +1,197 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#if !defined ( R_EFXH )
+#define R_EFXH
+#ifdef _WIN32
+#pragma once
+#endif
+
+// particle_t
+#if !defined( PARTICLEDEFH )  
+#include "particledef.h"
+#endif
+
+// BEAM
+#if !defined( BEAMDEFH )
+#include "beamdef.h"
+#endif
+
+// dlight_t
+#if !defined ( DLIGHTH )
+#include "dlight.h"
+#endif
+
+// cl_entity_t
+#if !defined( CL_ENTITYH )
+#include "cl_entity.h"
+#endif
+
+/*
+// FOR REFERENCE, These are the built-in tracer colors.  Note, color 4 is the one
+//  that uses the tracerred/tracergreen/tracerblue and traceralpha cvar settings
+color24 gTracerColors[] =
+{
+	{ 255, 255, 255 },		// White
+	{ 255, 0, 0 },			// Red
+	{ 0, 255, 0 },			// Green
+	{ 0, 0, 255 },			// Blue
+	{ 0, 0, 0 },			// Tracer default, filled in from cvars, etc.
+	{ 255, 167, 17 },		// Yellow-orange sparks
+	{ 255, 130, 90 },		// Yellowish streaks (garg)
+	{ 55, 60, 144 },		// Blue egon streak
+	{ 255, 130, 90 },		// More Yellowish streaks (garg)
+	{ 255, 140, 90 },		// More Yellowish streaks (garg)
+	{ 200, 130, 90 },		// More red streaks (garg)
+	{ 255, 120, 70 },		// Darker red streaks (garg)
+};
+*/
+
+// Temporary entity array
+#define TENTPRIORITY_LOW	0
+#define TENTPRIORITY_HIGH	1
+
+// TEMPENTITY flags
+#define	FTENT_NONE				0x00000000
+#define	FTENT_SINEWAVE			0x00000001
+#define	FTENT_GRAVITY			0x00000002
+#define FTENT_ROTATE			0x00000004
+#define	FTENT_SLOWGRAVITY		0x00000008
+#define FTENT_SMOKETRAIL		0x00000010
+#define FTENT_COLLIDEWORLD		0x00000020
+#define FTENT_FLICKER			0x00000040
+#define FTENT_FADEOUT			0x00000080
+#define FTENT_SPRANIMATE		0x00000100
+#define FTENT_HITSOUND			0x00000200
+#define FTENT_SPIRAL			0x00000400
+#define FTENT_SPRCYCLE			0x00000800
+#define FTENT_COLLIDEALL		0x00001000 // will collide with world and slideboxes
+#define FTENT_PERSIST			0x00002000 // tent is not removed when unable to draw 
+#define FTENT_COLLIDEKILL		0x00004000 // tent is removed upon collision with anything
+#define FTENT_PLYRATTACHMENT	0x00008000 // tent is attached to a player (owner)
+#define FTENT_SPRANIMATELOOP	0x00010000 // animating sprite doesn't die when last frame is displayed
+#define FTENT_SPARKSHOWER		0x00020000
+#define FTENT_NOMODEL			0x00040000 // Doesn't have a model, never try to draw ( it just triggers other things )
+#define FTENT_CLIENTCUSTOM		0x00080000 // Must specify callback.  Callback function is responsible for killing tempent and updating fields ( unless other flags specify how to do things )
+
+typedef struct tempent_s
+{
+	int			flags;
+	float		die;
+	float		frameMax;
+	float		x;
+	float		y;
+	float		z;
+	float		fadeSpeed;
+	float		bounceFactor;
+	int			hitSound;
+	void		( *hitcallback )	( struct tempent_s *ent, struct pmtrace_s *ptr );
+	void		( *callback )		( struct tempent_s *ent, float frametime, float currenttime );
+	struct tempent_s	*next;
+	int			priority;
+	short		clientIndex;	// if attached, this is the index of the client to stick to
+								// if COLLIDEALL, this is the index of the client to ignore
+								// TENTS with FTENT_PLYRATTACHMENT MUST set the clientindex! 
+
+	vec3_t		tentOffset;		// if attached, client origin + tentOffset = tent origin.
+	cl_entity_t	entity;
+
+	// baseline.origin		- velocity
+	// baseline.renderamt	- starting fadeout intensity
+	// baseline.angles		- angle velocity
+} TEMPENTITY;
+
+typedef struct efx_api_s efx_api_t;
+
+struct efx_api_s
+{
+	particle_t *( *R_AllocParticle )			( void ( *callback ) ( struct particle_s *particle, float frametime ) );
+	void		( *R_BlobExplosion )			( float * org );
+	void		( *R_Blood )					( float * org, float * dir, int pcolor, int speed );
+	void		( *R_BloodSprite )				( float * org, int colorindex, int modelIndex, int modelIndex2, float size );
+	void		( *R_BloodStream )				( float * org, float * dir, int pcolor, int speed );
+	void		( *R_BreakModel )				( float *pos, float *size, float *dir, float random, float life, int count, int modelIndex, char flags );
+	void		( *R_Bubbles )					( float * mins, float * maxs, float height, int modelIndex, int count, float speed );
+	void		( *R_BubbleTrail )				( float * start, float * end, float height, int modelIndex, int count, float speed );
+	void		( *R_BulletImpactParticles )	( float * pos );
+	void		( *R_EntityParticles )			( struct cl_entity_s *ent );
+	void		( *R_Explosion )				( float *pos, int model, float scale, float framerate, int flags );
+	void		( *R_FizzEffect )				( struct cl_entity_s *pent, int modelIndex, int density );
+	void		( *R_FireField ) 				( float * org, int radius, int modelIndex, int count, int flags, float life );
+	void		( *R_FlickerParticles )			( float * org );
+	void		( *R_FunnelSprite )				( float *org, int modelIndex, int reverse );
+	void		( *R_Implosion )				( float * end, float radius, int count, float life );
+	void		( *R_LargeFunnel )				( float * org, int reverse );
+	void		( *R_LavaSplash )				( float * org );
+	void		( *R_MultiGunshot )				( float * org, float * dir, float * noise, int count, int decalCount, int *decalIndices );
+	void		( *R_MuzzleFlash )				( float *pos1, int type );
+	void		( *R_ParticleBox )				( float *mins, float *maxs, unsigned char r, unsigned char g, unsigned char b, float life );
+	void		( *R_ParticleBurst )			( float * pos, int size, int color, float life );
+	void		( *R_ParticleExplosion )		( float * org );
+	void		( *R_ParticleExplosion2 )		( float * org, int colorStart, int colorLength );
+	void		( *R_ParticleLine )				( float * start, float *end, unsigned char r, unsigned char g, unsigned char b, float life );
+	void		( *R_PlayerSprites )			( int client, int modelIndex, int count, int size );
+	void		( *R_Projectile )				( float * origin, float * velocity, int modelIndex, int life, int owner, void (*hitcallback)( struct tempent_s *ent, struct pmtrace_s *ptr ) );
+	void		( *R_RicochetSound )			( float * pos );
+	void		( *R_RicochetSprite )			( float *pos, struct model_s *pmodel, float duration, float scale );
+	void		( *R_RocketFlare )				( float *pos );
+	void		( *R_RocketTrail )				( float * start, float * end, int type );
+	void		( *R_RunParticleEffect )		( float * org, float * dir, int color, int count );
+	void		( *R_ShowLine )					( float * start, float * end );
+	void		( *R_SparkEffect )				( float *pos, int count, int velocityMin, int velocityMax );
+	void		( *R_SparkShower )				( float *pos );
+	void		( *R_SparkStreaks )				( float * pos, int count, int velocityMin, int velocityMax );
+	void		( *R_Spray )					( float * pos, float * dir, int modelIndex, int count, int speed, int spread, int rendermode );
+	void		( *R_Sprite_Explode )			( TEMPENTITY *pTemp, float scale, int flags );
+	void		( *R_Sprite_Smoke )				( TEMPENTITY *pTemp, float scale );
+	void		( *R_Sprite_Spray )				( float * pos, float * dir, int modelIndex, int count, int speed, int iRand );
+	void		( *R_Sprite_Trail )				( int type, float * start, float * end, int modelIndex, int count, float life, float size, float amplitude, int renderamt, float speed );
+	void		( *R_Sprite_WallPuff )			( TEMPENTITY *pTemp, float scale );
+	void		( *R_StreakSplash )				( float * pos, float * dir, int color, int count, float speed, int velocityMin, int velocityMax );
+	void		( *R_TracerEffect )				( float * start, float * end );
+	void		( *R_UserTracerParticle )		( float * org, float * vel, float life, int colorIndex, float length, unsigned char deathcontext, void ( *deathfunc)( struct particle_s *particle ) );
+	particle_t *( *R_TracerParticles )			( float * org, float * vel, float life );
+	void		( *R_TeleportSplash )			( float * org );
+	void		( *R_TempSphereModel )			( float *pos, float speed, float life, int count, int modelIndex );
+	TEMPENTITY	*( *R_TempModel )				( float *pos, float *dir, float *angles, float life, int modelIndex, int soundtype );
+	TEMPENTITY	*( *R_DefaultSprite )			( float *pos, int spriteIndex, float framerate );
+	TEMPENTITY	*( *R_TempSprite )				( float *pos, float *dir, float scale, int modelIndex, int rendermode, int renderfx, float a, float life, int flags );
+	int			( *Draw_DecalIndex )			( int id );
+	int			( *Draw_DecalIndexFromName )	( char *name );
+	void		( *R_DecalShoot )				( int textureIndex, int entity, int modelIndex, float * position, int flags );
+	void		( *R_AttachTentToPlayer )		( int client, int modelIndex, float zoffset, float life );
+	void		( *R_KillAttachedTents )		( int client );
+	BEAM		*( *R_BeamCirclePoints )		( int type, float * start, float * end, int modelIndex, float life, float width, float amplitude, float brightness, float speed, int startFrame, float framerate, float r, float g, float b );
+	BEAM		*( *R_BeamEntPoint )			( int startEnt, float * end, int modelIndex, float life, float width, float amplitude, float brightness, float speed, int startFrame, float framerate, float r, float g, float b );
+	BEAM		*( *R_BeamEnts )				( int startEnt, int endEnt, int modelIndex, float life, float width, float amplitude, float brightness, float speed, int startFrame, float framerate, float r, float g, float b );
+	BEAM		*( *R_BeamFollow )				( int startEnt, int modelIndex, float life, float width, float r, float g, float b, float brightness );
+	void		( *R_BeamKill )					( int deadEntity );
+	BEAM		*( *R_BeamLightning )			( float * start, float * end, int modelIndex, float life, float width, float amplitude, float brightness, float speed );
+	BEAM		*( *R_BeamPoints )				( float * start, float * end, int modelIndex, float life, float width, float amplitude, float brightness, float speed, int startFrame, float framerate, float r, float g, float b );
+	BEAM		*( *R_BeamRing )				( int startEnt, int endEnt, int modelIndex, float life, float width, float amplitude, float brightness, float speed, int startFrame, float framerate, float r, float g, float b );
+	dlight_t	*( *CL_AllocDlight )			( int key );
+	dlight_t	*( *CL_AllocElight )			( int key );
+	TEMPENTITY	*( *CL_TempEntAlloc )			( float * org, struct model_s *model );
+	TEMPENTITY	*( *CL_TempEntAllocNoModel )	( float * org );
+	TEMPENTITY	*( *CL_TempEntAllocHigh )		( float * org, struct model_s *model );
+	TEMPENTITY	*( *CL_TentEntAllocCustom )		( float *origin, struct model_s *model, int high, void ( *callback ) ( struct tempent_s *ent, float frametime, float currenttime ) );
+	void		( *R_GetPackedColor )			( short *packed, short color );
+	short		( *R_LookupColor )				( unsigned char r, unsigned char g, unsigned char b );
+	void		( *R_DecalRemoveAll )			( int textureIndex ); //textureIndex points to the decal index in the array, not the actual texture index.
+	void		( *R_FireCustomDecal )			( int textureIndex, int entity, int modelIndex, float * position, int flags, float scale );
+};
+
+extern efx_api_t efx;
+
+#endif

common/r_studioint.h

@@ -0,0 +1,151 @@
+//========= Copyright © 1996-2002, Valve LLC, All rights reserved. ============
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================
+
+#if !defined( R_STUDIOINT_H )
+#define R_STUDIOINT_H
+#if defined( _WIN32 )
+#pragma once
+#endif
+
+#define STUDIO_INTERFACE_VERSION 1
+
+typedef struct engine_studio_api_s
+{
+	// Allocate number*size bytes and zero it
+	void			*( *Mem_Calloc )				( int number, size_t size );
+	// Check to see if pointer is in the cache
+	void			*( *Cache_Check )				( struct cache_user_s *c );
+	// Load file into cache ( can be swapped out on demand )
+	void			( *LoadCacheFile )				( char *path, struct cache_user_s *cu );
+	// Retrieve model pointer for the named model
+	struct model_s	*( *Mod_ForName )				( const char *name, int crash_if_missing );
+	// Retrieve pointer to studio model data block from a model
+	void			*( *Mod_Extradata )				( struct model_s *mod );
+	// Retrieve indexed model from client side model precache list
+	struct model_s	*( *GetModelByIndex )			( int index );
+	// Get entity that is set for rendering
+	struct cl_entity_s * ( *GetCurrentEntity )		( void );
+	// Get referenced player_info_t
+	struct player_info_s *( *PlayerInfo )			( int index );
+	// Get most recently received player state data from network system
+	struct entity_state_s *( *GetPlayerState )		( int index );
+	// Get viewentity
+	struct cl_entity_s * ( *GetViewEntity )			( void );
+	// Get current frame count, and last two timestampes on client
+	void			( *GetTimes )					( int *framecount, double *current, double *old );
+	// Get a pointer to a cvar by name
+	struct cvar_s	*( *GetCvar )					( const char *name );
+	// Get current render origin and view vectors ( up, right and vpn )
+	void			( *GetViewInfo )				( float *origin, float *upv, float *rightv, float *vpnv );
+	// Get sprite model used for applying chrome effect
+	struct model_s	*( *GetChromeSprite )			( void );
+	// Get model counters so we can incement instrumentation
+	void			( *GetModelCounters )			( int **s, int **a );
+	// Get software scaling coefficients
+	void			( *GetAliasScale )				( float *x, float *y );
+
+	// Get bone, light, alias, and rotation matrices
+	float			****( *StudioGetBoneTransform ) ( void );
+	float			****( *StudioGetLightTransform )( void );
+	float			***( *StudioGetAliasTransform ) ( void );
+	float			***( *StudioGetRotationMatrix ) ( void );
+
+	// Set up body part, and get submodel pointers
+	void			( *StudioSetupModel )			( int bodypart, void **ppbodypart, void **ppsubmodel );
+	// Check if entity's bbox is in the view frustum
+	int				( *StudioCheckBBox )			( void );
+	// Apply lighting effects to model
+	void			( *StudioDynamicLight )			( struct cl_entity_s *ent, struct alight_s *plight );
+	void			( *StudioEntityLight )			( struct alight_s *plight );
+	void			( *StudioSetupLighting )		( struct alight_s *plighting );
+
+	// Draw mesh vertices
+	void			( *StudioDrawPoints )			( void );
+
+	// Draw hulls around bones
+	void			( *StudioDrawHulls )			( void );
+	// Draw bbox around studio models
+	void			( *StudioDrawAbsBBox )			( void );
+	// Draws bones
+	void			( *StudioDrawBones )			( void );
+	// Loads in appropriate texture for model
+	void			( *StudioSetupSkin )			( void *ptexturehdr, int index );
+	// Sets up for remapped colors
+	void			( *StudioSetRemapColors )		( int top, int bottom );
+	// Set's player model and returns model pointer
+	struct model_s	*( *SetupPlayerModel )			( int index );
+	// Fires any events embedded in animation
+	void			( *StudioClientEvents )			( void );
+	// Retrieve/set forced render effects flags
+	int				( *GetForceFaceFlags )			( void );
+	void			( *SetForceFaceFlags )			( int flags );
+	// Tell engine the value of the studio model header
+	void			( *StudioSetHeader )			( void *header );
+	// Tell engine which model_t * is being renderered
+	void			( *SetRenderModel )				( struct model_s *model );
+
+	// Final state setup and restore for rendering
+	void			( *SetupRenderer )				( int rendermode );
+	void			( *RestoreRenderer )			( void );
+
+	// Set render origin for applying chrome effect
+	void			( *SetChromeOrigin )			( void );
+
+	// True if using D3D/OpenGL
+	int				( *IsHardware )					( void );
+	
+	// Only called by hardware interface
+	void			( *GL_StudioDrawShadow )		( void );
+	void			( *GL_SetRenderMode )			( int mode );
+
+	void			( *StudioSetRenderamt )			(int iRenderamt); 	//!!!CZERO added for rendering glass on viewmodels
+	void			( *StudioSetCullState )			( int iCull	   );
+	void			( *StudioRenderShadow )			( int iSprite, float *p1, float *p2, float *p3, float *p4 );
+} engine_studio_api_t;
+
+typedef struct server_studio_api_s
+{
+	// Allocate number*size bytes and zero it
+	void			*( *Mem_Calloc )				( int number, size_t size );
+	// Check to see if pointer is in the cache
+	void			*( *Cache_Check )				( struct cache_user_s *c );
+	// Load file into cache ( can be swapped out on demand )
+	void			( *LoadCacheFile )				( char *path, struct cache_user_s *cu );
+	// Retrieve pointer to studio model data block from a model
+	void			*( *Mod_Extradata )				( struct model_s *mod );
+} server_studio_api_t;
+
+
+// client blending
+typedef struct r_studio_interface_s
+{
+	int				version;
+	int				( *StudioDrawModel	)			( int flags );
+	int				( *StudioDrawPlayer	)			( int flags, struct entity_state_s *pplayer );
+} r_studio_interface_t;
+
+extern r_studio_interface_t *pStudioAPI;
+
+// server blending
+#define SV_BLENDING_INTERFACE_VERSION 1
+
+typedef struct sv_blending_interface_s
+{
+	int	version;
+
+	void	( *SV_StudioSetupBones )( struct model_s *pModel, 
+					float frame,
+					int sequence,
+					const vec3_t angles,
+					const vec3_t origin,
+					const byte *pcontroller,
+					const byte *pblending,
+					int iBone,
+					const edict_t *pEdict );
+} sv_blending_interface_t;
+
+#endif // R_STUDIOINT_H

common/ref_params.h

@@ -0,0 +1,75 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#if !defined( REF_PARAMSH )
+#define REF_PARAMSH
+
+typedef struct ref_params_s
+{
+	// Output
+	float	vieworg[3];
+	float	viewangles[3];
+
+	float	forward[3];
+	float	right[3];
+	float   up[3];
+
+	// Client frametime;
+	float	frametime;
+	// Client time
+	float	time;
+
+	// Misc
+	int		intermission;
+	int		paused;
+	int		spectator;
+	int		onground;
+	int		waterlevel;
+
+	float	simvel[3];
+	float	simorg[3];
+
+	float	viewheight[3];
+	float	idealpitch;
+
+	float	cl_viewangles[3];
+
+	int		health;
+	float	crosshairangle[3];
+	float	viewsize;
+
+	float	punchangle[3];
+	int		maxclients;
+	int		viewentity;
+	int		playernum;
+	int		max_entities;
+	int		demoplayback;
+	int		hardware;
+
+	int		smoothing;
+
+	// Last issued usercmd
+	struct usercmd_s *cmd;
+
+	// Movevars
+	struct movevars_s *movevars;
+
+	int		viewport[4];		// the viewport coordinates x ,y , width, height
+
+	int		nextView;			// the renderer calls ClientDLL_CalcRefdef() and Renderview
+								// so long in cycles until this value is 0 (multiple views)
+	int		onlyClientDraw;		// if !=0 nothing is drawn by the engine except clientDraw functions
+} ref_params_t;
+
+#endif // !REF_PARAMSH

common/screenfade.h

@@ -0,0 +1,24 @@
+//========= Copyright © 1996-2002, Valve LLC, All rights reserved. ============
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================
+
+#if !defined( SCREENFADEH )
+#define SCREENFADEH
+#ifdef _WIN32
+#pragma once
+#endif
+
+typedef struct screenfade_s
+{
+	float		fadeSpeed;		// How fast to fade (tics / second) (+ fade in, - fade out)
+	float		fadeEnd;		// When the fading hits maximum
+	float		fadeTotalEnd;	// Total End Time of the fade (used for FFADE_OUT)
+	float		fadeReset;		// When to reset to not fading (for fadeout and hold)
+	byte		fader, fadeg, fadeb, fadealpha;	// Fade color
+	int			fadeFlags;		// Fading flags
+} screenfade_t;
+
+#endif // !SCREENFADEH

common/studio_event.h

@@ -0,0 +1,29 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#if !defined( STUDIO_EVENTH )
+#define STUDIO_EVENTH
+#ifdef _WIN32
+#pragma once
+#endif
+
+typedef struct mstudioevent_s
+{
+	int 				frame;
+	int					event;
+	int					type;
+	char				options[64];
+} mstudioevent_t;
+
+#endif // STUDIO_EVENTH

common/triangleapi.h

@@ -0,0 +1,64 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#if !defined( TRIANGLEAPIH )
+#define TRIANGLEAPIH
+#ifdef _WIN32
+#pragma once
+#endif
+
+typedef enum 
+{
+	TRI_FRONT = 0,
+	TRI_NONE = 1,
+} TRICULLSTYLE;
+
+#define TRI_API_VERSION		1
+
+#define TRI_TRIANGLES		0
+#define TRI_TRIANGLE_FAN	1
+#define TRI_QUADS			2
+#define TRI_POLYGON			3
+#define TRI_LINES			4	
+#define TRI_TRIANGLE_STRIP	5
+#define TRI_QUAD_STRIP		6
+
+typedef struct triangleapi_s
+{
+	int			version;
+
+	void		( *RenderMode )( int mode );
+	void		( *Begin )( int primitiveCode );
+	void		( *End ) ( void );
+
+	void		( *Color4f ) ( float r, float g, float b, float a );
+	void		( *Color4ub ) ( unsigned char r, unsigned char g, unsigned char b, unsigned char a );
+	void		( *TexCoord2f ) ( float u, float v );
+	void		( *Vertex3fv ) ( float *worldPnt );
+	void		( *Vertex3f ) ( float x, float y, float z );
+	void		( *Brightness ) ( float brightness );
+	void		( *CullFace ) ( TRICULLSTYLE style );
+	int			( *SpriteTexture ) ( struct model_s *pSpriteModel, int frame );
+	int			( *WorldToScreen ) ( float *world, float *screen );  // Returns 1 if it's z clipped
+	void		( *Fog ) ( float flFogColor[3], float flStart, float flEnd, int bOn ); // Works just like GL_FOG, flFogColor is r/g/b.
+	void		( *ScreenToWorld ) ( float *screen, float *world  ); 
+	void		( *GetMatrix ) ( const int pname, float *matrix );
+	int			( *BoxInPVS ) ( float *mins, float *maxs );
+	void		( *LightAtPoint ) ( float *pos, float *value );
+	void		( *Color4fRendermode ) ( float r, float g, float b, float a, int rendermode );
+	void		( *FogParams ) ( float flDensity, int iFogSkybox ); // Used with Fog()...sets fog density and whether the fog should be applied to the skybox
+
+} triangleapi_t;
+
+#endif // !TRIANGLEAPIH

common/usercmd.h

@@ -0,0 +1,41 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef USERCMD_H
+#define USERCMD_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+typedef struct usercmd_s
+{
+	short	lerp_msec;      // Interpolation time on client
+	byte	msec;           // Duration in ms of command
+	vec3_t	viewangles;     // Command view angles.
+
+// intended velocities
+	float	forwardmove;    // Forward velocity.
+	float	sidemove;       // Sideways velocity.
+	float	upmove;         // Upward velocity.
+	byte	lightlevel;     // Light level at spot where we are standing.
+	unsigned short  buttons;  // Attack buttons
+	byte    impulse;          // Impulse command issued.
+	byte	weaponselect;	// Current weapon id
+
+// Experimental player impact stuff.
+	int		impact_index;
+	vec3_t	impact_position;
+} usercmd_t;
+
+#endif // USERCMD_H

common/vmodes.h

@@ -0,0 +1,35 @@
+/*
+*
+*    This program is free software; you can redistribute it and/or modify it
+*    under the terms of the GNU General Public License as published by the
+*    Free Software Foundation; either version 2 of the License, or (at
+*    your option) any later version.
+*
+*    This program is distributed in the hope that it will be useful, but
+*    WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*    You should have received a copy of the GNU General Public License
+*    along with this program; if not, write to the Free Software Foundation,
+*    Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*
+*    In addition, as a special exception, the author gives permission to
+*    link the code of this program with the Half-Life Game Engine ("HL
+*    Engine") and Modified Game Libraries ("MODs") developed by Valve,
+*    L.L.C ("Valve").  You must obey the GNU General Public License in all
+*    respects for all of the code used other than the HL Engine and MODs
+*    from Valve.  If you modify this file, you may extend this exception
+*    to your version of the file, but you are not obligated to do so.  If
+*    you do not wish to do so, delete this exception statement from your
+*    version.
+*
+*/
+#pragma once
+
+
+/* <430ee> ../common/vmodes.h:40 */
+typedef struct rect_s
+{
+	int left, right, top, bottom;
+} wrect_t;

common/weaponinfo.h

@@ -0,0 +1,53 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+
+#ifndef WEAPONINFO_H
+#define WEAPONINFO_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+// Info about weapons player might have in his/her possession
+typedef struct weapon_data_s
+{
+	int			m_iId;
+	int			m_iClip;
+
+	float		m_flNextPrimaryAttack;
+	float		m_flNextSecondaryAttack;
+	float		m_flTimeWeaponIdle;
+
+	int			m_fInReload;
+	int			m_fInSpecialReload;
+	float		m_flNextReload;
+	float		m_flPumpTime;
+	float		m_fReloadTime;
+
+	float		m_fAimedDamage;
+	float		m_fNextAimBonus;
+	int			m_fInZoom;
+	int			m_iWeaponState;
+
+	int			iuser1;
+	int			iuser2;
+	int			iuser3;
+	int			iuser4;
+	float		fuser1;
+	float		fuser2;
+	float		fuser3;
+	float		fuser4;
+} weapon_data_t;
+
+#endif // WEAPONINFO_H

common/winsani_in.h

@@ -0,0 +1,7 @@
+#if _MSC_VER >= 1500 // MSVC++ 9.0 (Visual Studio 2008)
+#pragma push_macro("ARRAYSIZE")
+#ifdef ARRAYSIZE
+#undef ARRAYSIZE
+#endif
+#define HSPRITE WINDOWS_HSPRITE
+#endif

common/winsani_out.h

@@ -0,0 +1,4 @@
+#if _MSC_VER >= 1500 // MSVC++ 9.0 (Visual Studio 2008)
+#undef HSPRITE
+#pragma pop_macro("ARRAYSIZE")
+#endif

dlls/activity.h

@@ -0,0 +1,109 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+
+#ifndef	ACTIVITY_H
+#define	ACTIVITY_H
+
+
+typedef enum {
+	ACT_RESET = 0,		// Set m_Activity to this invalid value to force a reset to m_IdealActivity
+	ACT_IDLE = 1,
+	ACT_GUARD,
+	ACT_WALK,
+	ACT_RUN,
+	ACT_FLY,				// Fly (and flap if appropriate)
+	ACT_SWIM,
+	ACT_HOP,				// vertical jump
+	ACT_LEAP,				// long forward jump
+	ACT_FALL,
+	ACT_LAND,
+	ACT_STRAFE_LEFT,
+	ACT_STRAFE_RIGHT,
+	ACT_ROLL_LEFT,			// tuck and roll, left
+	ACT_ROLL_RIGHT,			// tuck and roll, right
+	ACT_TURN_LEFT,			// turn quickly left (stationary)
+	ACT_TURN_RIGHT,			// turn quickly right (stationary)
+	ACT_CROUCH,				// the act of crouching down from a standing position
+	ACT_CROUCHIDLE,			// holding body in crouched position (loops)
+	ACT_STAND,				// the act of standing from a crouched position
+	ACT_USE,
+	ACT_SIGNAL1,
+	ACT_SIGNAL2,
+	ACT_SIGNAL3,
+	ACT_TWITCH,
+	ACT_COWER,
+	ACT_SMALL_FLINCH,
+	ACT_BIG_FLINCH,
+	ACT_RANGE_ATTACK1,
+	ACT_RANGE_ATTACK2,
+	ACT_MELEE_ATTACK1,
+	ACT_MELEE_ATTACK2,
+	ACT_RELOAD,
+	ACT_ARM,				// pull out gun, for instance
+	ACT_DISARM,				// reholster gun
+	ACT_EAT,				// monster chowing on a large food item (loop)
+	ACT_DIESIMPLE,
+	ACT_DIEBACKWARD,
+	ACT_DIEFORWARD,
+	ACT_DIEVIOLENT,
+	ACT_BARNACLE_HIT,		// barnacle tongue hits a monster
+	ACT_BARNACLE_PULL,		// barnacle is lifting the monster ( loop )
+	ACT_BARNACLE_CHOMP,		// barnacle latches on to the monster
+	ACT_BARNACLE_CHEW,		// barnacle is holding the monster in its mouth ( loop )
+	ACT_SLEEP,
+	ACT_INSPECT_FLOOR,		// for active idles, look at something on or near the floor
+	ACT_INSPECT_WALL,		// for active idles, look at something directly ahead of you ( doesn't HAVE to be a wall or on a wall )
+	ACT_IDLE_ANGRY,			// alternate idle animation in which the monster is clearly agitated. (loop)
+	ACT_WALK_HURT,			// limp  (loop)
+	ACT_RUN_HURT,			// limp  (loop)
+	ACT_HOVER,				// Idle while in flight
+	ACT_GLIDE,				// Fly (don't flap)
+	ACT_FLY_LEFT,			// Turn left in flight
+	ACT_FLY_RIGHT,			// Turn right in flight
+	ACT_DETECT_SCENT,		// this means the monster smells a scent carried by the air
+	ACT_SNIFF,				// this is the act of actually sniffing an item in front of the monster
+	ACT_BITE,				// some large monsters can eat small things in one bite. This plays one time, EAT loops.
+	ACT_THREAT_DISPLAY,		// without attacking, monster demonstrates that it is angry. (Yell, stick out chest, etc )
+	ACT_FEAR_DISPLAY,		// monster just saw something that it is afraid of
+	ACT_EXCITED,			// for some reason, monster is excited. Sees something he really likes to eat, or whatever.
+	ACT_SPECIAL_ATTACK1,	// very monster specific special attacks.
+	ACT_SPECIAL_ATTACK2,	
+	ACT_COMBAT_IDLE,		// agitated idle.
+	ACT_WALK_SCARED,
+	ACT_RUN_SCARED,
+	ACT_VICTORY_DANCE,		// killed a player, do a victory dance.
+	ACT_DIE_HEADSHOT,		// die, hit in head. 
+	ACT_DIE_CHESTSHOT,		// die, hit in chest
+	ACT_DIE_GUTSHOT,		// die, hit in gut
+	ACT_DIE_BACKSHOT,		// die, hit in back
+	ACT_FLINCH_HEAD,
+	ACT_FLINCH_CHEST,
+	ACT_FLINCH_STOMACH,
+	ACT_FLINCH_LEFTARM,
+	ACT_FLINCH_RIGHTARM,
+	ACT_FLINCH_LEFTLEG,
+	ACT_FLINCH_RIGHTLEG,
+} Activity;
+
+
+typedef struct {
+	int	type;
+	char *name;
+} activity_map_t;
+
+extern activity_map_t activity_map[];
+
+
+#endif	//ACTIVITY_H

dlls/activitymap.h

@@ -0,0 +1,97 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+
+#define _A( a ) { a, #a }
+
+activity_map_t activity_map[] =
+{
+_A( ACT_IDLE ),
+_A(	ACT_GUARD ),
+_A(	ACT_WALK ),
+_A(	ACT_RUN ),
+_A(	ACT_FLY ),
+_A(	ACT_SWIM ),
+_A(	ACT_HOP ),
+_A(	ACT_LEAP ),
+_A(	ACT_FALL ),
+_A(	ACT_LAND ),
+_A(	ACT_STRAFE_LEFT ),
+_A(	ACT_STRAFE_RIGHT ),
+_A(	ACT_ROLL_LEFT ),
+_A(	ACT_ROLL_RIGHT ),
+_A(	ACT_TURN_LEFT ),
+_A(	ACT_TURN_RIGHT ),
+_A(	ACT_CROUCH ),
+_A(	ACT_CROUCHIDLE ),
+_A(	ACT_STAND ),
+_A(	ACT_USE ),
+_A(	ACT_SIGNAL1 ),
+_A(	ACT_SIGNAL2 ),
+_A(	ACT_SIGNAL3 ),
+_A(	ACT_TWITCH ),
+_A(	ACT_COWER ),
+_A(	ACT_SMALL_FLINCH ),
+_A(	ACT_BIG_FLINCH ),
+_A(	ACT_RANGE_ATTACK1 ),
+_A(	ACT_RANGE_ATTACK2 ),
+_A(	ACT_MELEE_ATTACK1 ),
+_A(	ACT_MELEE_ATTACK2 ),
+_A(	ACT_RELOAD ),
+_A(	ACT_ARM ),
+_A(	ACT_DISARM ),
+_A(	ACT_EAT ),
+_A(	ACT_DIESIMPLE ),
+_A(	ACT_DIEBACKWARD ),
+_A(	ACT_DIEFORWARD ),
+_A(	ACT_DIEVIOLENT ),
+_A(	ACT_BARNACLE_HIT ),
+_A(	ACT_BARNACLE_PULL ),
+_A(	ACT_BARNACLE_CHOMP ),
+_A(	ACT_BARNACLE_CHEW ),
+_A(	ACT_SLEEP ),
+_A(	ACT_INSPECT_FLOOR ),
+_A(	ACT_INSPECT_WALL ),
+_A(	ACT_IDLE_ANGRY ),
+_A(	ACT_WALK_HURT ),
+_A(	ACT_RUN_HURT ),
+_A(	ACT_HOVER ),
+_A(	ACT_GLIDE ),
+_A(	ACT_FLY_LEFT ),
+_A(	ACT_FLY_RIGHT ),
+_A(	ACT_DETECT_SCENT ),
+_A(	ACT_SNIFF ),		
+_A(	ACT_BITE ),		
+_A(	ACT_THREAT_DISPLAY ),
+_A(	ACT_FEAR_DISPLAY ),
+_A(	ACT_EXCITED ),	
+_A( ACT_SPECIAL_ATTACK1 ),
+_A( ACT_SPECIAL_ATTACK2 ),
+_A( ACT_COMBAT_IDLE		),
+_A(	ACT_WALK_SCARED ),
+_A(	ACT_RUN_SCARED ),
+_A( ACT_VICTORY_DANCE ),
+_A( ACT_DIE_HEADSHOT ),
+_A( ACT_DIE_CHESTSHOT ),
+_A( ACT_DIE_GUTSHOT ),
+_A( ACT_DIE_BACKSHOT ),
+_A(	ACT_FLINCH_HEAD ),
+_A(	ACT_FLINCH_CHEST ),
+_A(	ACT_FLINCH_STOMACH ),
+_A(	ACT_FLINCH_LEFTARM ),
+_A(	ACT_FLINCH_RIGHTARM ),
+_A(	ACT_FLINCH_LEFTLEG ),
+_A(	ACT_FLINCH_RIGHTLEG ),
+0, NULL
+};

dlls/animation.h

@@ -0,0 +1,47 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef ANIMATION_H
+#define ANIMATION_H
+
+#define ACTIVITY_NOT_AVAILABLE		-1
+
+#ifndef MONSTEREVENT_H
+#include "monsterevent.h"
+#endif
+
+extern int IsSoundEvent( int eventNumber );
+
+int LookupActivity( void *pmodel, entvars_t *pev, int activity );
+int LookupActivityHeaviest( void *pmodel, entvars_t *pev, int activity );
+int LookupSequence( void *pmodel, const char *label );
+void GetSequenceInfo( void *pmodel, entvars_t *pev, float *pflFrameRate, float *pflGroundSpeed );
+int GetSequenceFlags( void *pmodel, entvars_t *pev );
+int LookupAnimationEvents( void *pmodel, entvars_t *pev, float flStart, float flEnd );
+float SetController( void *pmodel, entvars_t *pev, int iController, float flValue );
+float SetBlending( void *pmodel, entvars_t *pev, int iBlender, float flValue );
+void GetEyePosition( void *pmodel, float *vecEyePosition );
+void SequencePrecache( void *pmodel, const char *pSequenceName );
+int FindTransition( void *pmodel, int iEndingAnim, int iGoalAnim, int *piDir );
+void SetBodygroup( void *pmodel, entvars_t *pev, int iGroup, int iValue );
+int GetBodygroup( void *pmodel, entvars_t *pev, int iGroup );
+
+int GetAnimationEvent( void *pmodel, entvars_t *pev, MonsterEvent_t *pMonsterEvent, float flStart, float flEnd, int index );
+int ExtractBbox( void *pmodel, int sequence, float *mins, float *maxs );
+
+// From /engine/studio.h
+#define STUDIO_LOOPING		0x0001
+
+
+#endif	//ANIMATION_H

dlls/basemonster.h

@@ -0,0 +1,94 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef BASEMONSTER_H
+#define BASEMONSTER_H
+
+class CBaseMonster : public CBaseToggle
+{
+public:
+	Activity			m_Activity;// what the monster is doing (animation)
+	Activity			m_IdealActivity;// monster should switch to this activity
+	int					m_LastHitGroup; // the last body region that took damage
+	int					m_bitsDamageType;	// what types of damage has monster (player) taken
+	BYTE				m_rgbTimeBasedDamage[CDMG_TIMEBASED];
+	MONSTERSTATE		m_MonsterState;// monster's current state
+	MONSTERSTATE		m_IdealMonsterState;// monster should change to this state
+	int					m_afConditions;
+	int					m_afMemory;
+	float				m_flNextAttack;		// cannot attack again until this time
+	EHANDLE				m_hEnemy;		 // the entity that the monster is fighting.
+	EHANDLE				m_hTargetEnt;	 // the entity that the monster is trying to reach
+	float				m_flFieldOfView;// width of monster's field of view ( dot product )
+	int					m_bloodColor;		// color of blood particless
+	Vector				m_HackedGunPos;	// HACK until we can query end of gun
+	Vector				m_vecEnemyLKP;// last known position of enemy. (enemy's origin)
+
+
+	void KeyValue( KeyValueData *pkvd );
+
+	void MakeIdealYaw( Vector vecTarget );
+	virtual float ChangeYaw ( int speed );
+	virtual BOOL HasHumanGibs( void );
+	virtual BOOL HasAlienGibs( void );
+	virtual void FadeMonster( void );	// Called instead of GibMonster() when gibs are disabled
+	virtual void GibMonster( void );
+	virtual Activity GetDeathActivity ( void );
+	Activity GetSmallFlinchActivity( void );
+	virtual void BecomeDead( void );
+	BOOL		 ShouldGibMonster( int iGib );
+	void		 CallGibMonster( void );
+	virtual BOOL	ShouldFadeOnDeath( void );
+	BOOL FCheckAITrigger( void );// checks and, if necessary, fires the monster's trigger target. 
+	virtual int IRelationship ( CBaseEntity *pTarget );
+	virtual int TakeHealth( float flHealth, int bitsDamageType );
+	virtual int TakeDamage( entvars_t* pevInflictor, entvars_t* pevAttacker, float flDamage, int bitsDamageType);
+	int			DeadTakeDamage( entvars_t *pevInflictor, entvars_t *pevAttacker, float flDamage, int bitsDamageType );
+	float DamageForce( float damage );
+	virtual void Killed( entvars_t *pevAttacker, int iGib );
+	virtual void PainSound ( void ) { return; };
+
+	void RadiusDamage(entvars_t *pevInflictor, entvars_t *pevAttacker, float flDamage, int iClassIgnore, int bitsDamageType );
+	void RadiusDamage(Vector vecSrc, entvars_t *pevInflictor, entvars_t *pevAttacker, float flDamage, int iClassIgnore, int bitsDamageType );
+
+	inline void	SetConditions( int iConditions ) { m_afConditions |= iConditions; }
+	inline void	ClearConditions( int iConditions ) { m_afConditions &= ~iConditions; }
+	inline BOOL HasConditions( int iConditions ) { if ( m_afConditions & iConditions ) return TRUE; return FALSE; }
+	inline BOOL HasAllConditions( int iConditions ) { if ( (m_afConditions & iConditions) == iConditions ) return TRUE; return FALSE; }
+
+	inline void	Remember( int iMemory ) { m_afMemory |= iMemory; }
+	inline void	Forget( int iMemory ) { m_afMemory &= ~iMemory; }
+	inline BOOL HasMemory( int iMemory ) { if ( m_afMemory & iMemory ) return TRUE; return FALSE; }
+	inline BOOL HasAllMemories( int iMemory ) { if ( (m_afMemory & iMemory) == iMemory ) return TRUE; return FALSE; }
+
+	// This will stop animation until you call ResetSequenceInfo() at some point in the future
+	inline void StopAnimation( void ) { pev->framerate = 0; }
+
+	virtual void ReportAIState( void );
+	virtual void MonsterInitDead( void );	// Call after animation/pose is set up
+	void EXPORT CorpseFallThink( void );
+
+	virtual void Look ( int iDistance );// basic sight function for monsters
+	virtual CBaseEntity* BestVisibleEnemy ( void );// finds best visible enemy for attack
+	CBaseEntity *CheckTraceHullAttack( float flDist, int iDamage, int iDmgType );
+	virtual BOOL FInViewCone ( CBaseEntity *pEntity );// see if pEntity is in monster's view cone
+	virtual BOOL FInViewCone ( Vector *pOrigin );// see if given location is in monster's view cone
+	void TraceAttack( entvars_t *pevAttacker, float flDamage, Vector vecDir, TraceResult *ptr, int bitsDamageType);
+	void MakeDamageBloodDecal ( int cCount, float flNoise, TraceResult *ptr, const Vector &vecDir );
+	virtual BOOL	IsAlive( void ) { return (pev->deadflag != DEAD_DEAD); }
+
+};
+
+
+#endif

dlls/cbase.h

@@ -0,0 +1,802 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+/*
+
+Class Hierachy
+
+CBaseEntity
+	CBaseDelay
+		CBaseToggle
+			CBaseItem
+			CBaseMonster
+				CBaseCycler
+				CBasePlayer
+				CBaseGroup
+*/
+
+#define		MAX_PATH_SIZE	10 // max number of nodes available for a path.
+
+// These are caps bits to indicate what an object's capabilities (currently used for save/restore and level transitions)
+#define		FCAP_CUSTOMSAVE				0x00000001
+#define		FCAP_ACROSS_TRANSITION		0x00000002		// should transfer between transitions
+#define		FCAP_MUST_SPAWN				0x00000004		// Spawn after restore
+#define		FCAP_DONT_SAVE				0x80000000		// Don't save this
+#define		FCAP_IMPULSE_USE			0x00000008		// can be used by the player
+#define		FCAP_CONTINUOUS_USE			0x00000010		// can be used by the player
+#define		FCAP_ONOFF_USE				0x00000020		// can be used by the player
+#define		FCAP_DIRECTIONAL_USE		0x00000040		// Player sends +/- 1 when using (currently only tracktrains)
+#define		FCAP_MASTER					0x00000080		// Can be used to "master" other entities (like multisource)
+
+// UNDONE: This will ignore transition volumes (trigger_transition), but not the PVS!!!
+#define		FCAP_FORCE_TRANSITION		0x00000080		// ALWAYS goes across transitions
+
+#include "archtypes.h"     // DAL
+#include "saverestore.h"
+#include "schedule.h"
+
+#ifndef MONSTEREVENT_H
+#include "monsterevent.h"
+#endif
+
+// C functions for external declarations that call the appropriate C++ methods
+
+#ifndef CBASE_DLLEXPORT
+#ifdef _WIN32
+#define CBASE_DLLEXPORT _declspec( dllexport )
+#else
+#define CBASE_DLLEXPORT __attribute__ ((visibility("default")))
+#endif
+#endif
+
+#define EXPORT CBASE_DLLEXPORT
+
+extern "C" CBASE_DLLEXPORT int GetEntityAPI( DLL_FUNCTIONS *pFunctionTable, int interfaceVersion );
+extern "C" CBASE_DLLEXPORT int GetEntityAPI2( DLL_FUNCTIONS *pFunctionTable, int *interfaceVersion );
+
+extern int DispatchSpawn( edict_t *pent );
+extern void DispatchKeyValue( edict_t *pentKeyvalue, KeyValueData *pkvd );
+extern void DispatchTouch( edict_t *pentTouched, edict_t *pentOther );
+extern void DispatchUse( edict_t *pentUsed, edict_t *pentOther );
+extern void DispatchThink( edict_t *pent );
+extern void DispatchBlocked( edict_t *pentBlocked, edict_t *pentOther );
+extern void DispatchSave( edict_t *pent, SAVERESTOREDATA *pSaveData );
+extern int  DispatchRestore( edict_t *pent, SAVERESTOREDATA *pSaveData, int globalEntity );
+extern void	DispatchObjectCollsionBox( edict_t *pent );
+extern void SaveWriteFields( SAVERESTOREDATA *pSaveData, const char *pname, void *pBaseData, TYPEDESCRIPTION *pFields, int fieldCount );
+extern void SaveReadFields( SAVERESTOREDATA *pSaveData, const char *pname, void *pBaseData, TYPEDESCRIPTION *pFields, int fieldCount );
+extern void SaveGlobalState( SAVERESTOREDATA *pSaveData );
+extern void RestoreGlobalState( SAVERESTOREDATA *pSaveData );
+extern void ResetGlobalState( void );
+
+typedef enum { USE_OFF = 0, USE_ON = 1, USE_SET = 2, USE_TOGGLE = 3 } USE_TYPE;
+
+extern void FireTargets( const char *targetName, CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
+
+typedef void (CBaseEntity::*BASEPTR)(void);
+typedef void (CBaseEntity::*ENTITYFUNCPTR)(CBaseEntity *pOther );
+typedef void (CBaseEntity::*USEPTR)( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
+
+// For CLASSIFY
+#define	CLASS_NONE				0
+#define CLASS_MACHINE			1
+#define CLASS_PLAYER			2
+#define	CLASS_HUMAN_PASSIVE		3
+#define CLASS_HUMAN_MILITARY	4
+#define CLASS_ALIEN_MILITARY	5
+#define CLASS_ALIEN_PASSIVE		6
+#define CLASS_ALIEN_MONSTER		7
+#define CLASS_ALIEN_PREY		8
+#define CLASS_ALIEN_PREDATOR	9
+#define CLASS_INSECT			10
+#define CLASS_PLAYER_ALLY		11
+#define CLASS_PLAYER_BIOWEAPON	12 // hornets and snarks.launched by players
+#define CLASS_ALIEN_BIOWEAPON	13 // hornets and snarks.launched by the alien menace
+#define	CLASS_BARNACLE			99 // special because no one pays attention to it, and it eats a wide cross-section of creatures.
+
+class CBaseEntity;
+class CBaseMonster;
+class CBasePlayerItem;
+class CSquadMonster;
+
+
+#define	SF_NORESPAWN	( 1 << 30 )// !!!set this bit on guns and stuff that should never respawn.
+
+//
+// EHANDLE. Safe way to point to CBaseEntities who may die between frames
+//
+class EHANDLE
+{
+private:
+	edict_t *m_pent;
+	int		m_serialnumber;
+public:
+	edict_t *Get( void );
+	edict_t *Set( edict_t *pent );
+
+	operator int ();
+
+	operator CBaseEntity *();
+
+	CBaseEntity * operator = (CBaseEntity *pEntity);
+	CBaseEntity * operator ->();
+};
+
+
+//
+// Base Entity.  All entity types derive from this
+//
+class CBaseEntity 
+{
+public:
+	// Constructor.  Set engine to use C/C++ callback functions
+	// pointers to engine data
+	entvars_t *pev;		// Don't need to save/restore this pointer, the engine resets it
+
+	// path corners
+	CBaseEntity			*m_pGoalEnt;// path corner we are heading towards
+	CBaseEntity			*m_pLink;// used for temporary link-list operations. 
+
+	// initialization functions
+	virtual void	Spawn( void ) { return; }
+	virtual void	Precache( void ) { return; }
+	virtual void	KeyValue( KeyValueData* pkvd) { pkvd->fHandled = FALSE; }
+	virtual int		Save( CSave &save );
+	virtual int		Restore( CRestore &restore );
+	virtual int		ObjectCaps( void ) { return FCAP_ACROSS_TRANSITION; }
+	virtual void	Activate( void ) {}
+	
+	// Setup the object->object collision box (pev->mins / pev->maxs is the object->world collision box)
+	virtual void	SetObjectCollisionBox( void );
+
+// Classify - returns the type of group (i.e, "houndeye", or "human military" so that monsters with different classnames
+// still realize that they are teammates. (overridden for monsters that form groups)
+	virtual int Classify ( void ) { return CLASS_NONE; };
+	virtual void DeathNotice ( entvars_t *pevChild ) {}// monster maker children use this to tell the monster maker that they have died.
+
+
+	static	TYPEDESCRIPTION m_SaveData[];
+
+	virtual void	TraceAttack( entvars_t *pevAttacker, float flDamage, Vector vecDir, TraceResult *ptr, int bitsDamageType);
+	virtual int		TakeDamage( entvars_t* pevInflictor, entvars_t* pevAttacker, float flDamage, int bitsDamageType );
+	virtual int		TakeHealth( float flHealth, int bitsDamageType );
+	virtual void	Killed( entvars_t *pevAttacker, int iGib );
+	virtual int		BloodColor( void ) { return DONT_BLEED; }
+	virtual void	TraceBleed( float flDamage, Vector vecDir, TraceResult *ptr, int bitsDamageType );
+	virtual BOOL    IsTriggered( CBaseEntity *pActivator ) {return TRUE;}
+	virtual CBaseMonster *MyMonsterPointer( void ) { return NULL;}
+	virtual CSquadMonster *MySquadMonsterPointer( void ) { return NULL;}
+	virtual	int		GetToggleState( void ) { return TS_AT_TOP; }
+	virtual void	AddPoints( int score, BOOL bAllowNegativeScore ) {}
+	virtual void	AddPointsToTeam( int score, BOOL bAllowNegativeScore ) {}
+	virtual BOOL	AddPlayerItem( CBasePlayerItem *pItem ) { return 0; }
+	virtual BOOL	RemovePlayerItem( CBasePlayerItem *pItem ) { return 0; }
+	virtual int 	GiveAmmo( int iAmount, char *szName, int iMax ) { return -1; };
+	virtual float	GetDelay( void ) { return 0; }
+	virtual int		IsMoving( void ) { return pev->velocity != g_vecZero; }
+	virtual void	OverrideReset( void ) {}
+	virtual int		DamageDecal( int bitsDamageType );
+	// This is ONLY used by the node graph to test movement through a door
+	virtual void	SetToggleState( int state ) {}
+	virtual void    StartSneaking( void ) {}
+	virtual void    StopSneaking( void ) {}
+	virtual BOOL	OnControls( entvars_t *pev ) { return FALSE; }
+	virtual BOOL    IsSneaking( void ) { return FALSE; }
+	virtual BOOL	IsAlive( void ) { return (pev->deadflag == DEAD_NO) && pev->health > 0; }
+	virtual BOOL	IsBSPModel( void ) { return pev->solid == SOLID_BSP || pev->movetype == MOVETYPE_PUSHSTEP; }
+	virtual BOOL	ReflectGauss( void ) { return ( IsBSPModel() && !pev->takedamage ); }
+	virtual BOOL	HasTarget( string_t targetname ) { return FStrEq(STRING(targetname), STRING(pev->targetname) ); }
+	virtual BOOL    IsInWorld( void );
+	virtual	BOOL	IsPlayer( void ) { return FALSE; }
+	virtual BOOL	IsNetClient( void ) { return FALSE; }
+	virtual const char *TeamID( void ) { return ""; }
+
+
+//	virtual void	SetActivator( CBaseEntity *pActivator ) {}
+	virtual CBaseEntity *GetNextTarget( void );
+	
+	// fundamental callbacks
+	void (CBaseEntity ::*m_pfnThink)(void);
+	void (CBaseEntity ::*m_pfnTouch)( CBaseEntity *pOther );
+	void (CBaseEntity ::*m_pfnUse)( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
+	void (CBaseEntity ::*m_pfnBlocked)( CBaseEntity *pOther );
+
+	virtual void Think( void ) { if (m_pfnThink) (this->*m_pfnThink)(); };
+	virtual void Touch( CBaseEntity *pOther ) { if (m_pfnTouch) (this->*m_pfnTouch)( pOther ); };
+	virtual void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value ) 
+	{ 
+		if (m_pfnUse) 
+			(this->*m_pfnUse)( pActivator, pCaller, useType, value );
+	}
+	virtual void Blocked( CBaseEntity *pOther ) { if (m_pfnBlocked) (this->*m_pfnBlocked)( pOther ); };
+
+	// allow engine to allocate instance data
+	void *operator new( size_t stAllocateBlock, entvars_t *pev )
+	{
+		return (void *)ALLOC_PRIVATE(ENT(pev), stAllocateBlock);
+	};
+
+	// don't use this.
+#if _MSC_VER >= 1200 // only build this code if MSVC++ 6.0 or higher
+	void operator delete(void *pMem, entvars_t *pev)
+	{
+		pev->flags |= FL_KILLME;
+	};
+#endif
+
+	void UpdateOnRemove( void );
+
+	// common member functions
+	void EXPORT SUB_Remove( void );
+	void EXPORT SUB_DoNothing( void );
+	void EXPORT SUB_StartFadeOut ( void );
+	void EXPORT SUB_FadeOut ( void );
+	void EXPORT SUB_CallUseToggle( void ) { this->Use( this, this, USE_TOGGLE, 0 ); }
+	int			ShouldToggle( USE_TYPE useType, BOOL currentState );
+	void		FireBullets( ULONG	cShots, Vector  vecSrc, Vector	vecDirShooting,	Vector	vecSpread, float flDistance, int iBulletType, int iTracerFreq = 4, int iDamage = 0, entvars_t *pevAttacker = NULL  );
+	Vector		FireBulletsPlayer( ULONG	cShots, Vector  vecSrc, Vector	vecDirShooting,	Vector	vecSpread, float flDistance, int iBulletType, int iTracerFreq = 4, int iDamage = 0, entvars_t *pevAttacker = NULL, int shared_rand = 0 );
+
+	virtual CBaseEntity *Respawn( void ) { return NULL; }
+
+	void SUB_UseTargets( CBaseEntity *pActivator, USE_TYPE useType, float value );
+	// Do the bounding boxes of these two intersect?
+	int		Intersects( CBaseEntity *pOther );
+	void	MakeDormant( void );
+	int		IsDormant( void );
+	BOOL    IsLockedByMaster( void ) { return FALSE; }
+
+	static CBaseEntity *Instance( edict_t *pent )
+	{ 
+		if ( !pent )
+			pent = ENT(0);
+		CBaseEntity *pEnt = (CBaseEntity *)GET_PRIVATE(pent); 
+		return pEnt; 
+	}
+
+	static CBaseEntity *Instance( entvars_t *pev ) { return Instance( ENT( pev ) ); }
+	static CBaseEntity *Instance( int eoffset) { return Instance( ENT( eoffset) ); }
+
+	CBaseMonster *GetMonsterPointer( entvars_t *pevMonster ) 
+	{ 
+		CBaseEntity *pEntity = Instance( pevMonster );
+		if ( pEntity )
+			return pEntity->MyMonsterPointer();
+		return NULL;
+	}
+	CBaseMonster *GetMonsterPointer( edict_t *pentMonster ) 
+	{ 
+		CBaseEntity *pEntity = Instance( pentMonster );
+		if ( pEntity )
+			return pEntity->MyMonsterPointer();
+		return NULL;
+	}
+
+
+	// Ugly code to lookup all functions to make sure they are exported when set.
+#ifdef _DEBUG
+	void FunctionCheck( void *pFunction, char *name ) 
+	{ 
+		if (pFunction && !NAME_FOR_FUNCTION((uint32)pFunction) )
+			ALERT( at_error, "No EXPORT: %s:%s (%08lx)\n", STRING(pev->classname), name, (uint32)pFunction );
+	}
+
+	BASEPTR	ThinkSet( BASEPTR func, char *name ) 
+	{ 
+		m_pfnThink = func; 
+		FunctionCheck( (void *)*((int *)((char *)this + ( offsetof(CBaseEntity,m_pfnThink)))), name ); 
+		return func;
+	}
+	ENTITYFUNCPTR TouchSet( ENTITYFUNCPTR func, char *name ) 
+	{ 
+		m_pfnTouch = func; 
+		FunctionCheck( (void *)*((int *)((char *)this + ( offsetof(CBaseEntity,m_pfnTouch)))), name ); 
+		return func;
+	}
+	USEPTR	UseSet( USEPTR func, char *name ) 
+	{ 
+		m_pfnUse = func; 
+		FunctionCheck( (void *)*((int *)((char *)this + ( offsetof(CBaseEntity,m_pfnUse)))), name ); 
+		return func;
+	}
+	ENTITYFUNCPTR	BlockedSet( ENTITYFUNCPTR func, char *name ) 
+	{ 
+		m_pfnBlocked = func; 
+		FunctionCheck( (void *)*((int *)((char *)this + ( offsetof(CBaseEntity,m_pfnBlocked)))), name ); 
+		return func;
+	}
+
+#endif
+
+
+	// virtual functions used by a few classes
+	
+	// used by monsters that are created by the MonsterMaker
+	virtual	void UpdateOwner( void ) { return; };
+
+
+	//
+	static CBaseEntity *Create( char *szName, const Vector &vecOrigin, const Vector &vecAngles, edict_t *pentOwner = NULL );
+
+	virtual BOOL FBecomeProne( void ) {return FALSE;};
+	edict_t *edict() { return ENT( pev ); };
+	EOFFSET eoffset( ) { return OFFSET( pev ); };
+	int	  entindex( ) { return ENTINDEX( edict() ); };
+
+	virtual Vector Center( ) { return (pev->absmax + pev->absmin) * 0.5; }; // center point of entity
+	virtual Vector EyePosition( ) { return pev->origin + pev->view_ofs; };			// position of eyes
+	virtual Vector EarPosition( ) { return pev->origin + pev->view_ofs; };			// position of ears
+	virtual Vector BodyTarget( const Vector &posSrc ) { return Center( ); };		// position to shoot at
+
+	virtual int Illumination( ) { return GETENTITYILLUM( ENT( pev ) ); };
+
+	virtual	BOOL FVisible ( CBaseEntity *pEntity );
+	virtual	BOOL FVisible ( const Vector &vecOrigin );
+
+	//We use this variables to store each ammo count.
+	int ammo_9mm;
+	int ammo_357;
+	int ammo_bolts;
+	int ammo_buckshot;
+	int ammo_rockets;
+	int ammo_uranium;
+	int ammo_hornets;
+	int ammo_argrens;
+	//Special stuff for grenades and satchels.
+	float m_flStartThrow;
+	float m_flReleaseThrow;
+	int m_chargeReady;
+	int m_fInAttack;
+
+	enum EGON_FIRESTATE { FIRE_OFF, FIRE_CHARGE };
+	int m_fireState;
+};
+
+
+
+// Ugly technique to override base member functions
+// Normally it's illegal to cast a pointer to a member function of a derived class to a pointer to a 
+// member function of a base class.  static_cast is a sleezy way around that problem.
+
+#ifdef _DEBUG
+
+#define SetThink( a ) ThinkSet( static_cast <void (CBaseEntity::*)(void)> (a), #a )
+#define SetTouch( a ) TouchSet( static_cast <void (CBaseEntity::*)(CBaseEntity *)> (a), #a )
+#define SetUse( a ) UseSet( static_cast <void (CBaseEntity::*)(	CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )> (a), #a )
+#define SetBlocked( a ) BlockedSet( static_cast <void (CBaseEntity::*)(CBaseEntity *)> (a), #a )
+
+#else
+
+#define SetThink( a ) m_pfnThink = static_cast <void (CBaseEntity::*)(void)> (a)
+#define SetTouch( a ) m_pfnTouch = static_cast <void (CBaseEntity::*)(CBaseEntity *)> (a)
+#define SetUse( a ) m_pfnUse = static_cast <void (CBaseEntity::*)( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )> (a)
+#define SetBlocked( a ) m_pfnBlocked = static_cast <void (CBaseEntity::*)(CBaseEntity *)> (a)
+
+#endif
+
+
+class CPointEntity : public CBaseEntity
+{
+public:
+	void	Spawn( void );
+	virtual int	ObjectCaps( void ) { return CBaseEntity :: ObjectCaps() & ~FCAP_ACROSS_TRANSITION; }
+private:
+};
+
+
+typedef struct locksounds			// sounds that doors and buttons make when locked/unlocked
+{
+	string_t	sLockedSound;		// sound a door makes when it's locked
+	string_t	sLockedSentence;	// sentence group played when door is locked
+	string_t	sUnlockedSound;		// sound a door makes when it's unlocked
+	string_t	sUnlockedSentence;	// sentence group played when door is unlocked
+
+	int		iLockedSentence;		// which sentence in sentence group to play next
+	int		iUnlockedSentence;		// which sentence in sentence group to play next
+
+	float	flwaitSound;			// time delay between playing consecutive 'locked/unlocked' sounds
+	float	flwaitSentence;			// time delay between playing consecutive sentences
+	BYTE	bEOFLocked;				// true if hit end of list of locked sentences
+	BYTE	bEOFUnlocked;			// true if hit end of list of unlocked sentences
+} locksound_t;
+
+void PlayLockSounds(entvars_t *pev, locksound_t *pls, int flocked, int fbutton);
+
+//
+// MultiSouce
+//
+
+#define MAX_MULTI_TARGETS	16 // maximum number of targets a single multi_manager entity may be assigned.
+#define MS_MAX_TARGETS 32
+
+class CMultiSource : public CPointEntity
+{
+public:
+	void Spawn( );
+	void KeyValue( KeyValueData *pkvd );
+	void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
+	int	ObjectCaps( void ) { return (CPointEntity::ObjectCaps() | FCAP_MASTER); }
+	BOOL IsTriggered( CBaseEntity *pActivator );
+	void EXPORT Register( void );
+	virtual int		Save( CSave &save );
+	virtual int		Restore( CRestore &restore );
+
+	static	TYPEDESCRIPTION m_SaveData[];
+
+	EHANDLE		m_rgEntities[MS_MAX_TARGETS];
+	int			m_rgTriggered[MS_MAX_TARGETS];
+
+	int			m_iTotal;
+	string_t	m_globalstate;
+};
+
+
+//
+// generic Delay entity.
+//
+class CBaseDelay : public CBaseEntity
+{
+public:
+	float		m_flDelay;
+	int			m_iszKillTarget;
+
+	virtual void	KeyValue( KeyValueData* pkvd);
+	virtual int		Save( CSave &save );
+	virtual int		Restore( CRestore &restore );
+	
+	static	TYPEDESCRIPTION m_SaveData[];
+	// common member functions
+	void SUB_UseTargets( CBaseEntity *pActivator, USE_TYPE useType, float value );
+	void EXPORT DelayThink( void );
+};
+
+
+class CBaseAnimating : public CBaseDelay
+{
+public:
+	virtual int		Save( CSave &save );
+	virtual int		Restore( CRestore &restore );
+
+	static	TYPEDESCRIPTION m_SaveData[];
+
+	// Basic Monster Animation functions
+	float StudioFrameAdvance( float flInterval = 0.0 ); // accumulate animation frame time from last time called until now
+	int	 GetSequenceFlags( void );
+	int  LookupActivity ( int activity );
+	int  LookupActivityHeaviest ( int activity );
+	int  LookupSequence ( const char *label );
+	void ResetSequenceInfo ( );
+	void DispatchAnimEvents ( float flFutureInterval = 0.1 ); // Handle events that have happend since last time called up until X seconds into the future
+	virtual void HandleAnimEvent( MonsterEvent_t *pEvent ) { return; };
+	float SetBoneController ( int iController, float flValue );
+	void InitBoneControllers ( void );
+	float SetBlending ( int iBlender, float flValue );
+	void GetBonePosition ( int iBone, Vector &origin, Vector &angles );
+	void GetAutomovement( Vector &origin, Vector &angles, float flInterval = 0.1 );
+	int  FindTransition( int iEndingSequence, int iGoalSequence, int *piDir );
+	void GetAttachment ( int iAttachment, Vector &origin, Vector &angles );
+	void SetBodygroup( int iGroup, int iValue );
+	int GetBodygroup( int iGroup );
+	int ExtractBbox( int sequence, float *mins, float *maxs );
+	void SetSequenceBox( void );
+
+	// animation needs
+	float				m_flFrameRate;		// computed FPS for current sequence
+	float				m_flGroundSpeed;	// computed linear movement rate for current sequence
+	float				m_flLastEventCheck;	// last time the event list was checked
+	BOOL				m_fSequenceFinished;// flag set when StudioAdvanceFrame moves across a frame boundry
+	BOOL				m_fSequenceLoops;	// true if the sequence loops
+};
+
+
+//
+// generic Toggle entity.
+//
+#define	SF_ITEM_USE_ONLY	256 //  ITEM_USE_ONLY = BUTTON_USE_ONLY = DOOR_USE_ONLY!!! 
+
+class CBaseToggle : public CBaseAnimating
+{
+public:
+	void				KeyValue( KeyValueData *pkvd );
+
+	TOGGLE_STATE		m_toggle_state;
+	float				m_flActivateFinished;//like attack_finished, but for doors
+	float				m_flMoveDistance;// how far a door should slide or rotate
+	float				m_flWait;
+	float				m_flLip;
+	float				m_flTWidth;// for plats
+	float				m_flTLength;// for plats
+
+	Vector				m_vecPosition1;
+	Vector				m_vecPosition2;
+	Vector				m_vecAngle1;
+	Vector				m_vecAngle2;
+
+	int					m_cTriggersLeft;		// trigger_counter only, # of activations remaining
+	float				m_flHeight;
+	EHANDLE				m_hActivator;
+	void (CBaseToggle::*m_pfnCallWhenMoveDone)(void);
+	Vector				m_vecFinalDest;
+	Vector				m_vecFinalAngle;
+
+	int					m_bitsDamageInflict;	// DMG_ damage type that the door or tigger does
+
+	virtual int		Save( CSave &save );
+	virtual int		Restore( CRestore &restore );
+
+	static	TYPEDESCRIPTION m_SaveData[];
+
+	virtual int		GetToggleState( void ) { return m_toggle_state; }
+	virtual float	GetDelay( void ) { return m_flWait; }
+
+	// common member functions
+	void LinearMove( Vector	vecDest, float flSpeed );
+	void EXPORT LinearMoveDone( void );
+	void AngularMove( Vector vecDestAngle, float flSpeed );
+	void EXPORT AngularMoveDone( void );
+	BOOL IsLockedByMaster( void );
+
+	static float		AxisValue( int flags, const Vector &angles );
+	static void			AxisDir( entvars_t *pev );
+	static float		AxisDelta( int flags, const Vector &angle1, const Vector &angle2 );
+
+	string_t m_sMaster;		// If this button has a master switch, this is the targetname.
+							// A master switch must be of the multisource type. If all 
+							// of the switches in the multisource have been triggered, then
+							// the button will be allowed to operate. Otherwise, it will be
+							// deactivated.
+};
+#define SetMoveDone( a ) m_pfnCallWhenMoveDone = static_cast <void (CBaseToggle::*)(void)> (a)
+
+
+// people gib if their health is <= this at the time of death
+#define	GIB_HEALTH_VALUE	-30
+
+#define	ROUTE_SIZE			8 // how many waypoints a monster can store at one time
+#define MAX_OLD_ENEMIES		4 // how many old enemies to remember
+
+#define	bits_CAP_DUCK			( 1 << 0 )// crouch
+#define	bits_CAP_JUMP			( 1 << 1 )// jump/leap
+#define bits_CAP_STRAFE			( 1 << 2 )// strafe ( walk/run sideways)
+#define bits_CAP_SQUAD			( 1 << 3 )// can form squads
+#define	bits_CAP_SWIM			( 1 << 4 )// proficiently navigate in water
+#define bits_CAP_CLIMB			( 1 << 5 )// climb ladders/ropes
+#define bits_CAP_USE			( 1 << 6 )// open doors/push buttons/pull levers
+#define bits_CAP_HEAR			( 1 << 7 )// can hear forced sounds
+#define bits_CAP_AUTO_DOORS		( 1 << 8 )// can trigger auto doors
+#define bits_CAP_OPEN_DOORS		( 1 << 9 )// can open manual doors
+#define bits_CAP_TURN_HEAD		( 1 << 10)// can turn head, always bone controller 0
+
+#define bits_CAP_RANGE_ATTACK1	( 1 << 11)// can do a range attack 1
+#define bits_CAP_RANGE_ATTACK2	( 1 << 12)// can do a range attack 2
+#define bits_CAP_MELEE_ATTACK1	( 1 << 13)// can do a melee attack 1
+#define bits_CAP_MELEE_ATTACK2	( 1 << 14)// can do a melee attack 2
+
+#define bits_CAP_FLY			( 1 << 15)// can fly, move all around
+
+#define bits_CAP_DOORS_GROUP    (bits_CAP_USE | bits_CAP_AUTO_DOORS | bits_CAP_OPEN_DOORS)
+
+// used by suit voice to indicate damage sustained and repaired type to player
+
+// instant damage
+
+#define DMG_GENERIC			0			// generic damage was done
+#define DMG_CRUSH			(1 << 0)	// crushed by falling or moving object
+#define DMG_BULLET			(1 << 1)	// shot
+#define DMG_SLASH			(1 << 2)	// cut, clawed, stabbed
+#define DMG_BURN			(1 << 3)	// heat burned
+#define DMG_FREEZE			(1 << 4)	// frozen
+#define DMG_FALL			(1 << 5)	// fell too far
+#define DMG_BLAST			(1 << 6)	// explosive blast damage
+#define DMG_CLUB			(1 << 7)	// crowbar, punch, headbutt
+#define DMG_SHOCK			(1 << 8)	// electric shock
+#define DMG_SONIC			(1 << 9)	// sound pulse shockwave
+#define DMG_ENERGYBEAM		(1 << 10)	// laser or other high energy beam 
+#define DMG_NEVERGIB		(1 << 12)	// with this bit OR'd in, no damage type will be able to gib victims upon death
+#define DMG_ALWAYSGIB		(1 << 13)	// with this bit OR'd in, any damage type can be made to gib victims upon death.
+#define DMG_DROWN			(1 << 14)	// Drowning
+// time-based damage
+#define DMG_TIMEBASED		(~(0x3fff))	// mask for time-based damage
+
+#define DMG_PARALYZE		(1 << 15)	// slows affected creature down
+#define DMG_NERVEGAS		(1 << 16)	// nerve toxins, very bad
+#define DMG_POISON			(1 << 17)	// blood poisioning
+#define DMG_RADIATION		(1 << 18)	// radiation exposure
+#define DMG_DROWNRECOVER	(1 << 19)	// drowning recovery
+#define DMG_ACID			(1 << 20)	// toxic chemicals or acid burns
+#define DMG_SLOWBURN		(1 << 21)	// in an oven
+#define DMG_SLOWFREEZE		(1 << 22)	// in a subzero freezer
+#define DMG_MORTAR			(1 << 23)	// Hit by air raid (done to distinguish grenade from mortar)
+
+// these are the damage types that are allowed to gib corpses
+#define DMG_GIB_CORPSE		( DMG_CRUSH | DMG_FALL | DMG_BLAST | DMG_SONIC | DMG_CLUB )
+
+// these are the damage types that have client hud art
+#define DMG_SHOWNHUD		(DMG_POISON | DMG_ACID | DMG_FREEZE | DMG_SLOWFREEZE | DMG_DROWN | DMG_BURN | DMG_SLOWBURN | DMG_NERVEGAS | DMG_RADIATION | DMG_SHOCK)
+
+// NOTE: tweak these values based on gameplay feedback:
+
+#define PARALYZE_DURATION	2		// number of 2 second intervals to take damage
+#define PARALYZE_DAMAGE		1.0		// damage to take each 2 second interval
+
+#define NERVEGAS_DURATION	2
+#define NERVEGAS_DAMAGE		5.0
+
+#define POISON_DURATION		5
+#define POISON_DAMAGE		2.0
+
+#define RADIATION_DURATION	2
+#define RADIATION_DAMAGE	1.0
+
+#define ACID_DURATION		2
+#define ACID_DAMAGE			5.0
+
+#define SLOWBURN_DURATION	2
+#define SLOWBURN_DAMAGE		1.0
+
+#define SLOWFREEZE_DURATION	2
+#define SLOWFREEZE_DAMAGE	1.0
+
+
+#define	itbd_Paralyze		0		
+#define	itbd_NerveGas		1
+#define	itbd_Poison			2
+#define	itbd_Radiation		3
+#define	itbd_DrownRecover	4
+#define	itbd_Acid			5
+#define	itbd_SlowBurn		6
+#define	itbd_SlowFreeze		7
+#define CDMG_TIMEBASED		8
+
+// when calling KILLED(), a value that governs gib behavior is expected to be 
+// one of these three values
+#define GIB_NORMAL			0// gib if entity was overkilled
+#define GIB_NEVER			1// never gib, no matter how much death damage is done ( freezing, etc )
+#define GIB_ALWAYS			2// always gib ( Houndeye Shock, Barnacle Bite )
+
+class CBaseMonster;
+class CCineMonster;
+class CSound;
+
+#include "basemonster.h"
+
+
+char *ButtonSound( int sound );				// get string of button sound number
+
+
+//
+// Generic Button
+//
+class CBaseButton : public CBaseToggle
+{
+public:
+	void Spawn( void );
+	virtual void Precache( void );
+	void RotSpawn( void );
+	virtual void KeyValue( KeyValueData* pkvd);
+
+	void ButtonActivate( );
+	void SparkSoundCache( void );
+
+	void EXPORT ButtonShot( void );
+	void EXPORT ButtonTouch( CBaseEntity *pOther );
+	void EXPORT ButtonSpark ( void );
+	void EXPORT TriggerAndWait( void );
+	void EXPORT ButtonReturn( void );
+	void EXPORT ButtonBackHome( void );
+	void EXPORT ButtonUse ( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
+	virtual int		TakeDamage( entvars_t* pevInflictor, entvars_t* pevAttacker, float flDamage, int bitsDamageType );
+	virtual int		Save( CSave &save );
+	virtual int		Restore( CRestore &restore );
+	
+	enum BUTTON_CODE { BUTTON_NOTHING, BUTTON_ACTIVATE, BUTTON_RETURN };
+	BUTTON_CODE	ButtonResponseToTouch( void );
+	
+	static	TYPEDESCRIPTION m_SaveData[];
+	// Buttons that don't take damage can be IMPULSE used
+	virtual int	ObjectCaps( void ) { return (CBaseToggle:: ObjectCaps() & ~FCAP_ACROSS_TRANSITION) | (pev->takedamage?0:FCAP_IMPULSE_USE); }
+
+	BOOL	m_fStayPushed;	// button stays pushed in until touched again?
+	BOOL	m_fRotating;		// a rotating button?  default is a sliding button.
+
+	string_t m_strChangeTarget;	// if this field is not null, this is an index into the engine string array.
+							// when this button is touched, it's target entity's TARGET field will be set
+							// to the button's ChangeTarget. This allows you to make a func_train switch paths, etc.
+
+	locksound_t m_ls;			// door lock sounds
+	
+	BYTE	m_bLockedSound;		// ordinals from entity selection
+	BYTE	m_bLockedSentence;	
+	BYTE	m_bUnlockedSound;	
+	BYTE	m_bUnlockedSentence;
+	int		m_sounds;
+};
+
+//
+// Weapons 
+//
+
+#define	BAD_WEAPON 0x00007FFF
+
+//
+// Converts a entvars_t * to a class pointer
+// It will allocate the class and entity if necessary
+//
+template <class T> T * GetClassPtr( T *a )
+{
+	entvars_t *pev = (entvars_t *)a;
+
+	// allocate entity if necessary
+	if (pev == NULL)
+		pev = VARS(CREATE_ENTITY());
+
+	// get the private data
+	a = (T *)GET_PRIVATE(ENT(pev));
+
+	if (a == NULL) 
+	{
+		// allocate private data 
+		a = new(pev) T;
+		a->pev = pev;
+	}
+	return a;
+}
+
+
+/*
+bit_PUSHBRUSH_DATA | bit_TOGGLE_DATA
+bit_MONSTER_DATA
+bit_DELAY_DATA
+bit_TOGGLE_DATA | bit_DELAY_DATA | bit_MONSTER_DATA
+bit_PLAYER_DATA | bit_MONSTER_DATA
+bit_MONSTER_DATA | CYCLER_DATA
+bit_LIGHT_DATA
+path_corner_data
+bit_MONSTER_DATA | wildcard_data
+bit_MONSTER_DATA | bit_GROUP_DATA
+boid_flock_data
+boid_data
+CYCLER_DATA
+bit_ITEM_DATA
+bit_ITEM_DATA | func_hud_data
+bit_TOGGLE_DATA | bit_ITEM_DATA
+EOFFSET
+env_sound_data
+env_sound_data
+push_trigger_data
+*/
+
+#define TRACER_FREQ		4			// Tracers fire every 4 bullets
+
+typedef struct _SelAmmo
+{
+	BYTE	Ammo1Type;
+	BYTE	Ammo1;
+	BYTE	Ammo2Type;
+	BYTE	Ammo2;
+} SelAmmo;
+
+
+// this moved here from world.cpp, to allow classes to be derived from it
+//=======================
+// CWorld
+//
+// This spawns first when each level begins.
+//=======================
+class CWorld : public CBaseEntity
+{
+public:
+	void Spawn( void );
+	void Precache( void );
+	void KeyValue( KeyValueData *pkvd );
+};

dlls/cdll_dll.h

@@ -0,0 +1,46 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+//
+//  cdll_dll.h
+
+// this file is included by both the game-dll and the client-dll,
+
+#ifndef CDLL_DLL_H
+#define CDLL_DLL_H
+
+#define MAX_WEAPONS		32		// ???
+
+#define MAX_WEAPON_SLOTS		5	// hud item selection slots
+#define MAX_ITEM_TYPES			6	// hud item selection slots
+
+#define MAX_ITEMS				5	// hard coded item types
+
+#define	HIDEHUD_WEAPONS		( 1<<0 )
+#define	HIDEHUD_FLASHLIGHT	( 1<<1 )
+#define	HIDEHUD_ALL			( 1<<2 )
+#define 	HIDEHUD_HEALTH		( 1<<3 )
+
+#define	MAX_AMMO_TYPES	32		// ???
+#define MAX_AMMO_SLOTS  32		// not really slots
+
+#define HUD_PRINTNOTIFY		1
+#define HUD_PRINTCONSOLE	2
+#define HUD_PRINTTALK		3
+#define HUD_PRINTCENTER		4
+
+
+#define WEAPON_SUIT			31
+
+#endif

dlls/client.h

@@ -0,0 +1,65 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef CLIENT_H
+#define CLIENT_H
+
+extern void respawn( entvars_t* pev, BOOL fCopyCorpse );
+extern BOOL ClientConnect( edict_t *pEntity, const char *pszName, const char *pszAddress, char szRejectReason[ 128 ] );
+extern void ClientDisconnect( edict_t *pEntity );
+extern void ClientKill( edict_t *pEntity );
+extern void ClientPutInServer( edict_t *pEntity );
+extern void ClientCommand( edict_t *pEntity );
+extern void ClientUserInfoChanged( edict_t *pEntity, char *infobuffer );
+extern void ServerActivate( edict_t *pEdictList, int edictCount, int clientMax );
+extern void ServerDeactivate( void );
+extern void StartFrame( void );
+extern void PlayerPostThink( edict_t *pEntity );
+extern void PlayerPreThink( edict_t *pEntity );
+extern void ParmsNewLevel( void );
+extern void ParmsChangeLevel( void );
+
+extern void ClientPrecache( void );
+
+extern const char *GetGameDescription( void );
+extern void PlayerCustomization( edict_t *pEntity, customization_t *pCust );
+
+extern void SpectatorConnect ( edict_t *pEntity );
+extern void SpectatorDisconnect ( edict_t *pEntity );
+extern void SpectatorThink ( edict_t *pEntity );
+
+extern void Sys_Error( const char *error_string );
+
+extern void SetupVisibility( edict_t *pViewEntity, edict_t *pClient, unsigned char **pvs, unsigned char **pas );
+extern void	UpdateClientData ( const struct edict_s *ent, int sendweapons, struct clientdata_s *cd );
+extern int AddToFullPack( struct entity_state_s *state, int e, edict_t *ent, edict_t *host, int hostflags, int player, unsigned char *pSet );
+extern void CreateBaseline( int player, int eindex, struct entity_state_s *baseline, struct edict_s *entity, int playermodelindex, vec3_t player_mins, vec3_t player_maxs );
+extern void RegisterEncoders( void );
+
+extern int GetWeaponData( struct edict_s *player, struct weapon_data_s *info );
+
+extern void	CmdStart( const edict_t *player, const struct usercmd_s *cmd, unsigned int random_seed );
+extern void	CmdEnd ( const edict_t *player );
+
+extern int	ConnectionlessPacket( const struct netadr_s *net_from, const char *args, char *response_buffer, int *response_buffer_size );
+
+extern int GetHullBounds( int hullnumber, float *mins, float *maxs );
+
+extern void	CreateInstancedBaselines ( void );
+
+extern int	InconsistentFile( const edict_t *player, const char *filename, char *disconnect_message );
+
+extern int AllowLagCompensation( void );
+
+#endif		// CLIENT_H

dlls/decals.h

@@ -0,0 +1,84 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef DECALS_H
+#define DECALS_H
+
+//
+// Dynamic Decals
+//
+enum decal_e 
+{	
+	DECAL_GUNSHOT1 = 0, 
+	DECAL_GUNSHOT2,
+	DECAL_GUNSHOT3,
+	DECAL_GUNSHOT4,
+	DECAL_GUNSHOT5,
+	DECAL_LAMBDA1,
+	DECAL_LAMBDA2,
+	DECAL_LAMBDA3,
+	DECAL_LAMBDA4,
+	DECAL_LAMBDA5,
+	DECAL_LAMBDA6,
+	DECAL_SCORCH1,
+	DECAL_SCORCH2,
+	DECAL_BLOOD1, 
+	DECAL_BLOOD2, 
+	DECAL_BLOOD3, 
+	DECAL_BLOOD4, 
+	DECAL_BLOOD5, 
+	DECAL_BLOOD6, 
+	DECAL_YBLOOD1, 
+	DECAL_YBLOOD2, 
+	DECAL_YBLOOD3, 
+	DECAL_YBLOOD4, 
+	DECAL_YBLOOD5, 
+	DECAL_YBLOOD6, 
+	DECAL_GLASSBREAK1,
+	DECAL_GLASSBREAK2,
+	DECAL_GLASSBREAK3,
+	DECAL_BIGSHOT1,
+	DECAL_BIGSHOT2,
+	DECAL_BIGSHOT3,
+	DECAL_BIGSHOT4,
+	DECAL_BIGSHOT5,
+	DECAL_SPIT1,
+	DECAL_SPIT2,
+	DECAL_BPROOF1,		// Bulletproof glass decal
+	DECAL_GARGSTOMP1,	// Gargantua stomp crack
+	DECAL_SMALLSCORCH1,	// Small scorch mark
+	DECAL_SMALLSCORCH2,	// Small scorch mark
+	DECAL_SMALLSCORCH3,	// Small scorch mark
+	DECAL_MOMMABIRTH,	// Big momma birth splatter
+	DECAL_MOMMASPLAT,
+};
+
+typedef struct
+{
+	char *name;
+	short entityIndex;
+	byte depth;
+	byte flags;
+	vec3_t position;
+} DECALLIST;
+
+typedef struct
+{
+	char	*name;
+	int		index;
+} DLL_DECALLIST;
+
+extern DLL_DECALLIST gDecals[];
+
+#endif	// DECALS_H

dlls/doors.h

@@ -0,0 +1,33 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef DOORS_H
+#define DOORS_H
+
+// doors
+#define SF_DOOR_ROTATE_Y			0
+#define	SF_DOOR_START_OPEN			1
+#define SF_DOOR_ROTATE_BACKWARDS	2
+#define SF_DOOR_PASSABLE			8
+#define SF_DOOR_ONEWAY				16
+#define	SF_DOOR_NO_AUTO_RETURN		32
+#define SF_DOOR_ROTATE_Z			64
+#define SF_DOOR_ROTATE_X			128
+#define SF_DOOR_USE_ONLY			256	// door must be opened by player's use button.
+#define SF_DOOR_NOMONSTERS			512	// Monster can't open
+#define SF_DOOR_SILENT				0x80000000
+
+
+
+#endif		//DOORS_H

dlls/effects.h

@@ -0,0 +1,209 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef EFFECTS_H
+#define EFFECTS_H
+
+#define SF_BEAM_STARTON			0x0001
+#define SF_BEAM_TOGGLE			0x0002
+#define SF_BEAM_RANDOM			0x0004
+#define SF_BEAM_RING			0x0008
+#define SF_BEAM_SPARKSTART		0x0010
+#define SF_BEAM_SPARKEND		0x0020
+#define SF_BEAM_DECALS			0x0040
+#define SF_BEAM_SHADEIN			0x0080
+#define SF_BEAM_SHADEOUT		0x0100
+#define SF_BEAM_TEMPORARY		0x8000
+
+#define SF_SPRITE_STARTON		0x0001
+#define SF_SPRITE_ONCE			0x0002
+#define SF_SPRITE_TEMPORARY		0x8000
+
+class CSprite : public CPointEntity
+{
+public:
+	void Spawn( void );
+	void Precache( void );
+
+	int		ObjectCaps( void )
+	{ 
+		int flags = 0;
+		if ( pev->spawnflags & SF_SPRITE_TEMPORARY )
+			flags = FCAP_DONT_SAVE;
+		return (CBaseEntity :: ObjectCaps() & ~FCAP_ACROSS_TRANSITION) | flags; 
+	}
+	void EXPORT AnimateThink( void );
+	void EXPORT ExpandThink( void );
+	void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
+	void Animate( float frames );
+	void Expand( float scaleSpeed, float fadeSpeed );
+	void SpriteInit( const char *pSpriteName, const Vector &origin );
+
+	inline void SetAttachment( edict_t *pEntity, int attachment )
+	{
+		if ( pEntity )
+		{
+			pev->skin = ENTINDEX(pEntity);
+			pev->body = attachment;
+			pev->aiment = pEntity;
+			pev->movetype = MOVETYPE_FOLLOW;
+		}
+	}
+	void TurnOff( void );
+	void TurnOn( void );
+	inline float Frames( void ) { return m_maxFrame; }
+	inline void SetTransparency( int rendermode, int r, int g, int b, int a, int fx )
+	{
+		pev->rendermode = rendermode;
+		pev->rendercolor.x = r;
+		pev->rendercolor.y = g;
+		pev->rendercolor.z = b;
+		pev->renderamt = a;
+		pev->renderfx = fx;
+	}
+	inline void SetTexture( int spriteIndex ) { pev->modelindex = spriteIndex; }
+	inline void SetScale( float scale ) { pev->scale = scale; }
+	inline void SetColor( int r, int g, int b ) { pev->rendercolor.x = r; pev->rendercolor.y = g; pev->rendercolor.z = b; }
+	inline void SetBrightness( int brightness ) { pev->renderamt = brightness; }
+
+	inline void AnimateAndDie( float framerate ) 
+	{ 
+		SetThink(&CSprite::AnimateUntilDead); 
+		pev->framerate = framerate;
+		pev->dmgtime = gpGlobals->time + (m_maxFrame / framerate); 
+		pev->nextthink = gpGlobals->time; 
+	}
+
+	void EXPORT AnimateUntilDead( void );
+
+	virtual int		Save( CSave &save );
+	virtual int		Restore( CRestore &restore );
+	static	TYPEDESCRIPTION m_SaveData[];
+	static CSprite *SpriteCreate( const char *pSpriteName, const Vector &origin, BOOL animate );
+
+private:
+
+	float		m_lastTime;
+	float		m_maxFrame;
+};
+
+
+class CBeam : public CBaseEntity
+{
+public:
+	void	Spawn( void );
+	void	Precache( void );
+	int		ObjectCaps( void )
+	{ 
+		int flags = 0;
+		if ( pev->spawnflags & SF_BEAM_TEMPORARY )
+			flags = FCAP_DONT_SAVE;
+		return (CBaseEntity :: ObjectCaps() & ~FCAP_ACROSS_TRANSITION) | flags; 
+	}
+
+	void EXPORT TriggerTouch( CBaseEntity *pOther );
+
+	// These functions are here to show the way beams are encoded as entities.
+	// Encoding beams as entities simplifies their management in the client/server architecture
+	inline void	SetType( int type ) { pev->rendermode = (pev->rendermode & 0xF0) | (type&0x0F); }
+	inline void	SetFlags( int flags ) { pev->rendermode = (pev->rendermode & 0x0F) | (flags&0xF0); }
+	inline void SetStartPos( const Vector& pos ) { pev->origin = pos; }
+	inline void SetEndPos( const Vector& pos ) { pev->angles = pos; }
+	void SetStartEntity( int entityIndex );
+	void SetEndEntity( int entityIndex );
+
+	inline void SetStartAttachment( int attachment ) { pev->sequence = (pev->sequence & 0x0FFF) | ((attachment&0xF)<<12); }
+	inline void SetEndAttachment( int attachment ) { pev->skin = (pev->skin & 0x0FFF) | ((attachment&0xF)<<12); }
+
+	inline void SetTexture( int spriteIndex ) { pev->modelindex = spriteIndex; }
+	inline void SetWidth( int width ) { pev->scale = width; }
+	inline void SetNoise( int amplitude ) { pev->body = amplitude; }
+	inline void SetColor( int r, int g, int b ) { pev->rendercolor.x = r; pev->rendercolor.y = g; pev->rendercolor.z = b; }
+	inline void SetBrightness( int brightness ) { pev->renderamt = brightness; }
+	inline void SetFrame( float frame ) { pev->frame = frame; }
+	inline void SetScrollRate( int speed ) { pev->animtime = speed; }
+
+	inline int	GetType( void ) { return pev->rendermode & 0x0F; }
+	inline int	GetFlags( void ) { return pev->rendermode & 0xF0; }
+	inline int	GetStartEntity( void ) { return pev->sequence & 0xFFF; }
+	inline int	GetEndEntity( void ) { return pev->skin & 0xFFF; }
+
+	const Vector &GetStartPos( void );
+	const Vector &GetEndPos( void );
+
+	Vector Center( void ) { return (GetStartPos() + GetEndPos()) * 0.5; }; // center point of beam
+
+	inline int  GetTexture( void ) { return pev->modelindex; }
+	inline int  GetWidth( void ) { return pev->scale; }
+	inline int  GetNoise( void ) { return pev->body; }
+	// inline void GetColor( int r, int g, int b ) { pev->rendercolor.x = r; pev->rendercolor.y = g; pev->rendercolor.z = b; }
+	inline int  GetBrightness( void ) { return pev->renderamt; }
+	inline int  GetFrame( void ) { return pev->frame; }
+	inline int  GetScrollRate( void ) { return pev->animtime; }
+
+	// Call after you change start/end positions
+	void		RelinkBeam( void );
+//	void		SetObjectCollisionBox( void );
+
+	void		DoSparks( const Vector &start, const Vector &end );
+	CBaseEntity *RandomTargetname( const char *szName );
+	void		BeamDamage( TraceResult *ptr );
+	// Init after BeamCreate()
+	void		BeamInit( const char *pSpriteName, int width );
+	void		PointsInit( const Vector &start, const Vector &end );
+	void		PointEntInit( const Vector &start, int endIndex );
+	void		EntsInit( int startIndex, int endIndex );
+	void		HoseInit( const Vector &start, const Vector &direction );
+
+	static CBeam *BeamCreate( const char *pSpriteName, int width );
+
+	inline void LiveForTime( float time ) { SetThink(&CBeam::SUB_Remove); pev->nextthink = gpGlobals->time + time; }
+	inline void	BeamDamageInstant( TraceResult *ptr, float damage ) 
+	{ 
+		pev->dmg = damage; 
+		pev->dmgtime = gpGlobals->time - 1;
+		BeamDamage(ptr); 
+	}
+};
+
+
+#define SF_MESSAGE_ONCE			0x0001		// Fade in, not out
+#define SF_MESSAGE_ALL			0x0002		// Send to all clients
+
+
+class CLaser : public CBeam
+{
+public:
+	void	Spawn( void );
+	void	Precache( void );
+	void	KeyValue( KeyValueData *pkvd );
+
+	void	TurnOn( void );
+	void	TurnOff( void );
+	int		IsOn( void );
+
+	void	FireAtPoint( TraceResult &point );
+
+	void	EXPORT StrikeThink( void );
+	void	Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
+	virtual int		Save( CSave &save );
+	virtual int		Restore( CRestore &restore );
+	static	TYPEDESCRIPTION m_SaveData[];
+
+	CSprite	*m_pSprite;
+	int		m_iszSpriteName;
+	Vector  m_firePosition;
+};
+
+#endif		//EFFECTS_H

dlls/enginecallback.h

@@ -0,0 +1,160 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef ENGINECALLBACK_H
+#define ENGINECALLBACK_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "event_flags.h"
+
+// Must be provided by user of this code
+extern enginefuncs_t g_engfuncs;
+
+// The actual engine callbacks
+#define GETPLAYERUSERID (*g_engfuncs.pfnGetPlayerUserId)
+#define PRECACHE_MODEL	(*g_engfuncs.pfnPrecacheModel)
+#define PRECACHE_SOUND	(*g_engfuncs.pfnPrecacheSound)
+#define PRECACHE_GENERIC	(*g_engfuncs.pfnPrecacheGeneric)
+#define SET_MODEL		(*g_engfuncs.pfnSetModel)
+#define MODEL_INDEX		(*g_engfuncs.pfnModelIndex)
+#define MODEL_FRAMES	(*g_engfuncs.pfnModelFrames)
+#define SET_SIZE		(*g_engfuncs.pfnSetSize)
+#define CHANGE_LEVEL	(*g_engfuncs.pfnChangeLevel)
+#define GET_SPAWN_PARMS	(*g_engfuncs.pfnGetSpawnParms)
+#define SAVE_SPAWN_PARMS (*g_engfuncs.pfnSaveSpawnParms)
+#define VEC_TO_YAW		(*g_engfuncs.pfnVecToYaw)
+#define VEC_TO_ANGLES	(*g_engfuncs.pfnVecToAngles)
+#define MOVE_TO_ORIGIN  (*g_engfuncs.pfnMoveToOrigin)
+#define oldCHANGE_YAW		(*g_engfuncs.pfnChangeYaw)
+#define CHANGE_PITCH	(*g_engfuncs.pfnChangePitch)
+#define MAKE_VECTORS	(*g_engfuncs.pfnMakeVectors)
+#define CREATE_ENTITY	(*g_engfuncs.pfnCreateEntity)
+#define REMOVE_ENTITY	(*g_engfuncs.pfnRemoveEntity)
+#define CREATE_NAMED_ENTITY		(*g_engfuncs.pfnCreateNamedEntity)
+#define MAKE_STATIC		(*g_engfuncs.pfnMakeStatic)
+#define ENT_IS_ON_FLOOR	(*g_engfuncs.pfnEntIsOnFloor)
+#define DROP_TO_FLOOR	(*g_engfuncs.pfnDropToFloor)
+#define WALK_MOVE		(*g_engfuncs.pfnWalkMove)
+#define SET_ORIGIN		(*g_engfuncs.pfnSetOrigin)
+#define EMIT_SOUND_DYN2 (*g_engfuncs.pfnEmitSound)
+#define BUILD_SOUND_MSG (*g_engfuncs.pfnBuildSoundMsg)
+#define TRACE_LINE		(*g_engfuncs.pfnTraceLine)
+#define TRACE_TOSS		(*g_engfuncs.pfnTraceToss)
+#define TRACE_MONSTER_HULL		(*g_engfuncs.pfnTraceMonsterHull)
+#define TRACE_HULL		(*g_engfuncs.pfnTraceHull)
+#define GET_AIM_VECTOR	(*g_engfuncs.pfnGetAimVector)
+#define SERVER_COMMAND	(*g_engfuncs.pfnServerCommand)
+#define SERVER_EXECUTE	(*g_engfuncs.pfnServerExecute)
+#define CLIENT_COMMAND	(*g_engfuncs.pfnClientCommand)
+#define PARTICLE_EFFECT	(*g_engfuncs.pfnParticleEffect)
+#define LIGHT_STYLE		(*g_engfuncs.pfnLightStyle)
+#define DECAL_INDEX		(*g_engfuncs.pfnDecalIndex)
+#define POINT_CONTENTS	(*g_engfuncs.pfnPointContents)
+#define CRC32_INIT           (*g_engfuncs.pfnCRC32_Init)
+#define CRC32_PROCESS_BUFFER (*g_engfuncs.pfnCRC32_ProcessBuffer)
+#define CRC32_PROCESS_BYTE   (*g_engfuncs.pfnCRC32_ProcessByte)
+#define CRC32_FINAL          (*g_engfuncs.pfnCRC32_Final)
+#define RANDOM_LONG		(*g_engfuncs.pfnRandomLong)
+#define RANDOM_FLOAT	(*g_engfuncs.pfnRandomFloat)
+#define GETPLAYERAUTHID	(*g_engfuncs.pfnGetPlayerAuthId)
+
+inline void MESSAGE_BEGIN( int msg_dest, int msg_type, const float *pOrigin = NULL, edict_t *ed = NULL ) {
+	(*g_engfuncs.pfnMessageBegin)(msg_dest, msg_type, pOrigin, ed);
+}
+#define MESSAGE_END		(*g_engfuncs.pfnMessageEnd)
+#define WRITE_BYTE		(*g_engfuncs.pfnWriteByte)
+#define WRITE_CHAR		(*g_engfuncs.pfnWriteChar)
+#define WRITE_SHORT		(*g_engfuncs.pfnWriteShort)
+#define WRITE_LONG		(*g_engfuncs.pfnWriteLong)
+#define WRITE_ANGLE		(*g_engfuncs.pfnWriteAngle)
+#define WRITE_COORD		(*g_engfuncs.pfnWriteCoord)
+#define WRITE_STRING	(*g_engfuncs.pfnWriteString)
+#define WRITE_ENTITY	(*g_engfuncs.pfnWriteEntity)
+#define CVAR_REGISTER	(*g_engfuncs.pfnCVarRegister)
+#define CVAR_GET_FLOAT	(*g_engfuncs.pfnCVarGetFloat)
+#define CVAR_GET_STRING	(*g_engfuncs.pfnCVarGetString)
+#define CVAR_SET_FLOAT	(*g_engfuncs.pfnCVarSetFloat)
+#define CVAR_SET_STRING	(*g_engfuncs.pfnCVarSetString)
+#define CVAR_GET_POINTER (*g_engfuncs.pfnCVarGetPointer)
+#define ALERT			(*g_engfuncs.pfnAlertMessage)
+#define ENGINE_FPRINTF	(*g_engfuncs.pfnEngineFprintf)
+#define ALLOC_PRIVATE	(*g_engfuncs.pfnPvAllocEntPrivateData)
+inline void *GET_PRIVATE( edict_t *pent )
+{
+	if ( pent )
+		return pent->pvPrivateData;
+	return NULL;
+}
+
+#define FREE_PRIVATE	(*g_engfuncs.pfnFreeEntPrivateData)
+//#define STRING			(*g_engfuncs.pfnSzFromIndex)
+#define ALLOC_STRING	(*g_engfuncs.pfnAllocString)
+#define FIND_ENTITY_BY_STRING	(*g_engfuncs.pfnFindEntityByString)
+#define GETENTITYILLUM	(*g_engfuncs.pfnGetEntityIllum)
+#define FIND_ENTITY_IN_SPHERE		(*g_engfuncs.pfnFindEntityInSphere)
+#define FIND_CLIENT_IN_PVS			(*g_engfuncs.pfnFindClientInPVS)
+#define EMIT_AMBIENT_SOUND			(*g_engfuncs.pfnEmitAmbientSound)
+#define GET_MODEL_PTR				(*g_engfuncs.pfnGetModelPtr)
+#define REG_USER_MSG				(*g_engfuncs.pfnRegUserMsg)
+#define GET_BONE_POSITION			(*g_engfuncs.pfnGetBonePosition)
+#define FUNCTION_FROM_NAME			(*g_engfuncs.pfnFunctionFromName)
+#define NAME_FOR_FUNCTION			(*g_engfuncs.pfnNameForFunction)
+#define TRACE_TEXTURE				(*g_engfuncs.pfnTraceTexture)
+#define CLIENT_PRINTF				(*g_engfuncs.pfnClientPrintf)
+#define CMD_ARGS					(*g_engfuncs.pfnCmd_Args)
+#define CMD_ARGC					(*g_engfuncs.pfnCmd_Argc)
+#define CMD_ARGV					(*g_engfuncs.pfnCmd_Argv)
+#define GET_ATTACHMENT			(*g_engfuncs.pfnGetAttachment)
+#define SET_VIEW				(*g_engfuncs.pfnSetView)
+#define SET_CROSSHAIRANGLE		(*g_engfuncs.pfnCrosshairAngle)
+#define LOAD_FILE_FOR_ME		(*g_engfuncs.pfnLoadFileForMe)
+#define FREE_FILE				(*g_engfuncs.pfnFreeFile)
+#define COMPARE_FILE_TIME		(*g_engfuncs.pfnCompareFileTime)
+#define GET_GAME_DIR			(*g_engfuncs.pfnGetGameDir)
+#define IS_MAP_VALID			(*g_engfuncs.pfnIsMapValid)
+#define NUMBER_OF_ENTITIES		(*g_engfuncs.pfnNumberOfEntities)
+#define IS_DEDICATED_SERVER		(*g_engfuncs.pfnIsDedicatedServer)
+
+#define PRECACHE_EVENT			(*g_engfuncs.pfnPrecacheEvent)
+#define PLAYBACK_EVENT_FULL		(*g_engfuncs.pfnPlaybackEvent)
+
+#define ENGINE_SET_PVS			(*g_engfuncs.pfnSetFatPVS)
+#define ENGINE_SET_PAS			(*g_engfuncs.pfnSetFatPAS)
+
+#define ENGINE_CHECK_VISIBILITY (*g_engfuncs.pfnCheckVisibility)
+
+#define DELTA_SET				( *g_engfuncs.pfnDeltaSetField )
+#define DELTA_UNSET				( *g_engfuncs.pfnDeltaUnsetField )
+#define DELTA_ADDENCODER		( *g_engfuncs.pfnDeltaAddEncoder )
+#define ENGINE_CURRENT_PLAYER   ( *g_engfuncs.pfnGetCurrentPlayer )
+
+#define	ENGINE_CANSKIP			( *g_engfuncs.pfnCanSkipPlayer )
+
+#define DELTA_FINDFIELD			( *g_engfuncs.pfnDeltaFindField )
+#define DELTA_SETBYINDEX		( *g_engfuncs.pfnDeltaSetFieldByIndex )
+#define DELTA_UNSETBYINDEX		( *g_engfuncs.pfnDeltaUnsetFieldByIndex )
+
+#define ENGINE_GETPHYSINFO		( *g_engfuncs.pfnGetPhysicsInfoString )
+
+#define ENGINE_SETGROUPMASK		( *g_engfuncs.pfnSetGroupMask )
+
+#define ENGINE_INSTANCE_BASELINE ( *g_engfuncs.pfnCreateInstancedBaseline )
+
+#define ENGINE_FORCE_UNMODIFIED	( *g_engfuncs.pfnForceUnmodified )
+
+#define PLAYER_CNX_STATS		( *g_engfuncs.pfnGetPlayerStats )
+
+#endif		//ENGINECALLBACK_H

dlls/explode.h

@@ -0,0 +1,32 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef EXPLODE_H
+#define EXPLODE_H
+
+
+#define	SF_ENVEXPLOSION_NODAMAGE	( 1 << 0 ) // when set, ENV_EXPLOSION will not actually inflict damage
+#define	SF_ENVEXPLOSION_REPEATABLE	( 1 << 1 ) // can this entity be refired?
+#define SF_ENVEXPLOSION_NOFIREBALL	( 1 << 2 ) // don't draw the fireball
+#define SF_ENVEXPLOSION_NOSMOKE		( 1 << 3 ) // don't draw the smoke
+#define SF_ENVEXPLOSION_NODECAL		( 1 << 4 ) // don't make a scorch mark
+#define SF_ENVEXPLOSION_NOSPARKS	( 1 << 5 ) // don't make a scorch mark
+
+extern DLL_GLOBAL	short	g_sModelIndexFireball;
+extern DLL_GLOBAL	short	g_sModelIndexSmoke;
+
+
+extern void ExplosionCreate( const Vector &center, const Vector &angles, edict_t *pOwner, int magnitude, BOOL doDamage );
+
+#endif			//EXPLODE_H

dlls/extdll.h

@@ -0,0 +1,97 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef EXTDLL_H
+#define EXTDLL_H
+
+
+//
+// Global header file for extension DLLs
+//
+
+// Allow "DEBUG" in addition to default "_DEBUG"
+#ifdef _DEBUG
+#define DEBUG 1
+#endif
+
+// Silence certain warnings
+#pragma warning(disable : 4244)		// int or float down-conversion
+#pragma warning(disable : 4305)		// int or float data truncation
+#pragma warning(disable : 4201)		// nameless struct/union
+#pragma warning(disable : 4514)		// unreferenced inline function removed
+#pragma warning(disable : 4100)		// unreferenced formal parameter
+
+#include "archtypes.h"     // DAL
+
+// Prevent tons of unused windows definitions
+#ifdef _WIN32
+#define WIN32_LEAN_AND_MEAN
+#define NOWINRES
+#define NOSERVICE
+#define NOMCX
+#define NOIME
+#include "winsani_in.h"
+#include "windows.h"
+#include "winsani_out.h"
+#else // _WIN32
+#ifndef TRUE
+#define FALSE 0
+#define TRUE (!FALSE)
+#endif //TRUE
+typedef uint32 ULONG;
+typedef unsigned char BYTE;
+typedef int BOOL;
+#ifndef MAX_PATH
+#define MAX_PATH PATH_MAX
+#endif // MAX_PATH
+#include <limits.h>
+#include <stdarg.h>
+#include <string.h> // memset 
+#ifndef min
+#define min(a,b)  (((a) < (b)) ? (a) : (b))
+#endif
+#ifndef max
+#define max(a,b)  (((a) > (b)) ? (a) : (b))
+#define _vsnprintf(a,b,c,d) vsnprintf(a,b,c,d)
+#endif
+#endif //_WIN32
+
+// Misc C-runtime library headers
+#include "stdio.h"
+#include "stdlib.h"
+#include "math.h"
+
+// Header file containing definition of globalvars_t and entvars_t
+typedef unsigned int func_t;					//
+typedef unsigned int string_t;				// from engine's pr_comp.h;
+typedef float vec_t;				// needed before including progdefs.h
+
+// Vector class
+#include "vector.h"
+
+// Defining it as a (bogus) struct helps enforce type-checking
+#define vec3_t Vector
+
+// Shared engine/DLL constants
+#include "const.h"
+#include "progdefs.h"
+#include "edict.h"
+
+// Shared header describing protocol between engine and DLLs
+#include "eiface.h"
+
+// Shared header between the client DLL and the game DLLs
+#include "cdll_dll.h"
+
+#endif //EXTDLL_H

dlls/func_break.h

@@ -0,0 +1,74 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef FUNC_BREAK_H
+#define FUNC_BREAK_H
+
+typedef enum { expRandom, expDirected} Explosions;
+typedef enum { matGlass = 0, matWood, matMetal, matFlesh, matCinderBlock, matCeilingTile, matComputer, matUnbreakableGlass, matRocks, matNone, matLastMaterial } Materials;
+
+#define	NUM_SHARDS 6 // this many shards spawned when breakable objects break;
+
+class CBreakable : public CBaseDelay
+{
+public:
+	// basic functions
+	void Spawn( void );
+	void Precache( void );
+	void KeyValue( KeyValueData* pkvd);
+	void EXPORT BreakTouch( CBaseEntity *pOther );
+	void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
+	void DamageSound( void );
+
+	// breakables use an overridden takedamage
+	virtual int TakeDamage( entvars_t* pevInflictor, entvars_t* pevAttacker, float flDamage, int bitsDamageType );
+	// To spark when hit
+	void TraceAttack( entvars_t *pevAttacker, float flDamage, Vector vecDir, TraceResult *ptr, int bitsDamageType );
+
+	BOOL IsBreakable( void );
+	BOOL SparkWhenHit( void );
+
+	int	 DamageDecal( int bitsDamageType );
+
+	void EXPORT		Die( void );
+	virtual int		ObjectCaps( void ) { return (CBaseEntity :: ObjectCaps() & ~FCAP_ACROSS_TRANSITION); }
+	virtual int		Save( CSave &save );
+	virtual int		Restore( CRestore &restore );
+
+	inline BOOL		Explodable( void ) { return ExplosionMagnitude() > 0; }
+	inline int		ExplosionMagnitude( void ) { return pev->impulse; }
+	inline void		ExplosionSetMagnitude( int magnitude ) { pev->impulse = magnitude; }
+
+	static void MaterialSoundPrecache( Materials precacheMaterial );
+	static void MaterialSoundRandom( edict_t *pEdict, Materials soundMaterial, float volume );
+	static const char **MaterialSoundList( Materials precacheMaterial, int &soundCount );
+
+	static const char *pSoundsWood[];
+	static const char *pSoundsFlesh[];
+	static const char *pSoundsGlass[];
+	static const char *pSoundsMetal[];
+	static const char *pSoundsConcrete[];
+	static const char *pSpawnObjects[];
+
+	static	TYPEDESCRIPTION m_SaveData[];
+
+	Materials	m_Material;
+	Explosions	m_Explosion;
+	int			m_idShard;
+	float		m_angle;
+	int			m_iszGibModel;
+	int			m_iszSpawnObject;
+};
+
+#endif	// FUNC_BREAK_H

dlls/game.h

@@ -0,0 +1,45 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+
+#ifndef GAME_H
+#define GAME_H
+
+extern void GameDLLInit( void );
+
+
+extern cvar_t	displaysoundlist;
+
+// multiplayer server rules
+extern cvar_t	teamplay;
+extern cvar_t	fraglimit;
+extern cvar_t	timelimit;
+extern cvar_t	friendlyfire;
+extern cvar_t	falldamage;
+extern cvar_t	weaponstay;
+extern cvar_t	forcerespawn;
+extern cvar_t	flashlight;
+extern cvar_t	aimcrosshair;
+extern cvar_t	decalfrequency;
+extern cvar_t	teamlist;
+extern cvar_t	teamoverride;
+extern cvar_t	defaultteam;
+extern cvar_t	allowmonsters;
+
+// Engine Cvars
+extern cvar_t	*g_psv_gravity;
+extern cvar_t	*g_psv_aim;
+extern cvar_t	*g_footsteps;
+
+#endif		// GAME_H

dlls/gamerules.h

@@ -0,0 +1,360 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+//=========================================================
+// GameRules
+//=========================================================
+
+//#include "weapons.h"
+//#include "items.h"
+class CBasePlayerItem;
+class CBasePlayer;
+class CItem;
+class CBasePlayerAmmo;
+
+// weapon respawning return codes
+enum
+{	
+	GR_NONE = 0,
+	
+	GR_WEAPON_RESPAWN_YES,
+	GR_WEAPON_RESPAWN_NO,
+	
+	GR_AMMO_RESPAWN_YES,
+	GR_AMMO_RESPAWN_NO,
+	
+	GR_ITEM_RESPAWN_YES,
+	GR_ITEM_RESPAWN_NO,
+
+	GR_PLR_DROP_GUN_ALL,
+	GR_PLR_DROP_GUN_ACTIVE,
+	GR_PLR_DROP_GUN_NO,
+
+	GR_PLR_DROP_AMMO_ALL,
+	GR_PLR_DROP_AMMO_ACTIVE,
+	GR_PLR_DROP_AMMO_NO,
+};
+
+// Player relationship return codes
+enum
+{
+	GR_NOTTEAMMATE = 0,
+	GR_TEAMMATE,
+	GR_ENEMY,
+	GR_ALLY,
+	GR_NEUTRAL,
+};
+
+class CGameRules
+{
+public:
+	virtual void RefreshSkillData( void );// fill skill data struct with proper values
+	virtual void Think( void ) = 0;// GR_Think - runs every server frame, should handle any timer tasks, periodic events, etc.
+	virtual BOOL IsAllowedToSpawn( CBaseEntity *pEntity ) = 0;  // Can this item spawn (eg monsters don't spawn in deathmatch).
+
+	virtual BOOL FAllowFlashlight( void ) = 0;// Are players allowed to switch on their flashlight?
+	virtual BOOL FShouldSwitchWeapon( CBasePlayer *pPlayer, CBasePlayerItem *pWeapon ) = 0;// should the player switch to this weapon?
+	virtual BOOL GetNextBestWeapon( CBasePlayer *pPlayer, CBasePlayerItem *pCurrentWeapon ) = 0;// I can't use this weapon anymore, get me the next best one.
+
+// Functions to verify the single/multiplayer status of a game
+	virtual BOOL IsMultiplayer( void ) = 0;// is this a multiplayer game? (either coop or deathmatch)
+	virtual BOOL IsDeathmatch( void ) = 0;//is this a deathmatch game?
+	virtual BOOL IsTeamplay( void ) { return FALSE; };// is this deathmatch game being played with team rules?
+	virtual BOOL IsCoOp( void ) = 0;// is this a coop game?
+	virtual const char *GetGameDescription( void ) { return "Half-Life"; }  // this is the game name that gets seen in the server browser
+	
+// Client connection/disconnection
+	virtual BOOL ClientConnected( edict_t *pEntity, const char *pszName, const char *pszAddress, char szRejectReason[ 128 ] ) = 0;// a client just connected to the server (player hasn't spawned yet)
+	virtual void InitHUD( CBasePlayer *pl ) = 0;		// the client dll is ready for updating
+	virtual void ClientDisconnected( edict_t *pClient ) = 0;// a client just disconnected from the server
+	virtual void UpdateGameMode( CBasePlayer *pPlayer ) {}  // the client needs to be informed of the current game mode
+
+// Client damage rules
+	virtual float FlPlayerFallDamage( CBasePlayer *pPlayer ) = 0;// this client just hit the ground after a fall. How much damage?
+	virtual BOOL  FPlayerCanTakeDamage( CBasePlayer *pPlayer, CBaseEntity *pAttacker ) {return TRUE;};// can this player take damage from this attacker?
+	virtual BOOL ShouldAutoAim( CBasePlayer *pPlayer, edict_t *target ) { return TRUE; }
+
+// Client spawn/respawn control
+	virtual void PlayerSpawn( CBasePlayer *pPlayer ) = 0;// called by CBasePlayer::Spawn just before releasing player into the game
+	virtual void PlayerThink( CBasePlayer *pPlayer ) = 0; // called by CBasePlayer::PreThink every frame, before physics are run and after keys are accepted
+	virtual BOOL FPlayerCanRespawn( CBasePlayer *pPlayer ) = 0;// is this player allowed to respawn now?
+	virtual float FlPlayerSpawnTime( CBasePlayer *pPlayer ) = 0;// When in the future will this player be able to spawn?
+	virtual edict_t *GetPlayerSpawnSpot( CBasePlayer *pPlayer );// Place this player on their spawnspot and face them the proper direction.
+
+	virtual BOOL AllowAutoTargetCrosshair( void ) { return TRUE; };
+	virtual BOOL ClientCommand( CBasePlayer *pPlayer, const char *pcmd ) { return FALSE; };  // handles the user commands;  returns TRUE if command handled properly
+	virtual void ClientUserInfoChanged( CBasePlayer *pPlayer, char *infobuffer ) {}		// the player has changed userinfo;  can change it now
+
+// Client kills/scoring
+	virtual int IPointsForKill( CBasePlayer *pAttacker, CBasePlayer *pKilled ) = 0;// how many points do I award whoever kills this player?
+	virtual void PlayerKilled( CBasePlayer *pVictim, entvars_t *pKiller, entvars_t *pInflictor ) = 0;// Called each time a player dies
+	virtual void DeathNotice( CBasePlayer *pVictim, entvars_t *pKiller, entvars_t *pInflictor )=  0;// Call this from within a GameRules class to report an obituary.
+// Weapon retrieval
+	virtual BOOL CanHavePlayerItem( CBasePlayer *pPlayer, CBasePlayerItem *pWeapon );// The player is touching an CBasePlayerItem, do I give it to him?
+	virtual void PlayerGotWeapon( CBasePlayer *pPlayer, CBasePlayerItem *pWeapon ) = 0;// Called each time a player picks up a weapon from the ground
+
+// Weapon spawn/respawn control
+	virtual int WeaponShouldRespawn( CBasePlayerItem *pWeapon ) = 0;// should this weapon respawn?
+	virtual float FlWeaponRespawnTime( CBasePlayerItem *pWeapon ) = 0;// when may this weapon respawn?
+	virtual float FlWeaponTryRespawn( CBasePlayerItem *pWeapon ) = 0; // can i respawn now,  and if not, when should i try again?
+	virtual Vector VecWeaponRespawnSpot( CBasePlayerItem *pWeapon ) = 0;// where in the world should this weapon respawn?
+
+// Item retrieval
+	virtual BOOL CanHaveItem( CBasePlayer *pPlayer, CItem *pItem ) = 0;// is this player allowed to take this item?
+	virtual void PlayerGotItem( CBasePlayer *pPlayer, CItem *pItem ) = 0;// call each time a player picks up an item (battery, healthkit, longjump)
+
+// Item spawn/respawn control
+	virtual int ItemShouldRespawn( CItem *pItem ) = 0;// Should this item respawn?
+	virtual float FlItemRespawnTime( CItem *pItem ) = 0;// when may this item respawn?
+	virtual Vector VecItemRespawnSpot( CItem *pItem ) = 0;// where in the world should this item respawn?
+
+// Ammo retrieval
+	virtual BOOL CanHaveAmmo( CBasePlayer *pPlayer, const char *pszAmmoName, int iMaxCarry );// can this player take more of this ammo?
+	virtual void PlayerGotAmmo( CBasePlayer *pPlayer, char *szName, int iCount ) = 0;// called each time a player picks up some ammo in the world
+
+// Ammo spawn/respawn control
+	virtual int AmmoShouldRespawn( CBasePlayerAmmo *pAmmo ) = 0;// should this ammo item respawn?
+	virtual float FlAmmoRespawnTime( CBasePlayerAmmo *pAmmo ) = 0;// when should this ammo item respawn?
+	virtual Vector VecAmmoRespawnSpot( CBasePlayerAmmo *pAmmo ) = 0;// where in the world should this ammo item respawn?
+																			// by default, everything spawns
+
+// Healthcharger respawn control
+	virtual float FlHealthChargerRechargeTime( void ) = 0;// how long until a depleted HealthCharger recharges itself?
+	virtual float FlHEVChargerRechargeTime( void ) { return 0; }// how long until a depleted HealthCharger recharges itself?
+
+// What happens to a dead player's weapons
+	virtual int DeadPlayerWeapons( CBasePlayer *pPlayer ) = 0;// what do I do with a player's weapons when he's killed?
+
+// What happens to a dead player's ammo	
+	virtual int DeadPlayerAmmo( CBasePlayer *pPlayer ) = 0;// Do I drop ammo when the player dies? How much?
+
+// Teamplay stuff
+	virtual const char *GetTeamID( CBaseEntity *pEntity ) = 0;// what team is this entity on?
+	virtual int PlayerRelationship( CBaseEntity *pPlayer, CBaseEntity *pTarget ) = 0;// What is the player's relationship with this entity?
+	virtual int GetTeamIndex( const char *pTeamName ) { return -1; }
+	virtual const char *GetIndexedTeamName( int teamIndex ) { return ""; }
+	virtual BOOL IsValidTeam( const char *pTeamName ) { return TRUE; }
+	virtual void ChangePlayerTeam( CBasePlayer *pPlayer, const char *pTeamName, BOOL bKill, BOOL bGib ) {}
+	virtual const char *SetDefaultPlayerTeam( CBasePlayer *pPlayer ) { return ""; }
+
+// Sounds
+	virtual BOOL PlayTextureSounds( void ) { return TRUE; }
+	virtual BOOL PlayFootstepSounds( CBasePlayer *pl, float fvol ) { return TRUE; }
+
+// Monsters
+	virtual BOOL FAllowMonsters( void ) = 0;//are monsters allowed
+
+	// Immediately end a multiplayer game
+	virtual void EndMultiplayerGame( void ) {}
+};
+
+extern CGameRules *InstallGameRules( void );
+
+
+//=========================================================
+// CHalfLifeRules - rules for the single player Half-Life 
+// game.
+//=========================================================
+class CHalfLifeRules : public CGameRules
+{
+public:
+	CHalfLifeRules ( void );
+
+// GR_Think
+	virtual void Think( void );
+	virtual BOOL IsAllowedToSpawn( CBaseEntity *pEntity );
+	virtual BOOL FAllowFlashlight( void ) { return TRUE; };
+
+	virtual BOOL FShouldSwitchWeapon( CBasePlayer *pPlayer, CBasePlayerItem *pWeapon );
+	virtual BOOL GetNextBestWeapon( CBasePlayer *pPlayer, CBasePlayerItem *pCurrentWeapon );
+	
+// Functions to verify the single/multiplayer status of a game
+	virtual BOOL IsMultiplayer( void );
+	virtual BOOL IsDeathmatch( void );
+	virtual BOOL IsCoOp( void );
+
+// Client connection/disconnection
+	virtual BOOL ClientConnected( edict_t *pEntity, const char *pszName, const char *pszAddress, char szRejectReason[ 128 ] );
+	virtual void InitHUD( CBasePlayer *pl );		// the client dll is ready for updating
+	virtual void ClientDisconnected( edict_t *pClient );
+
+// Client damage rules
+	virtual float FlPlayerFallDamage( CBasePlayer *pPlayer );
+	
+// Client spawn/respawn control
+	virtual void PlayerSpawn( CBasePlayer *pPlayer );
+	virtual void PlayerThink( CBasePlayer *pPlayer );
+	virtual BOOL FPlayerCanRespawn( CBasePlayer *pPlayer );
+	virtual float FlPlayerSpawnTime( CBasePlayer *pPlayer );
+
+	virtual BOOL AllowAutoTargetCrosshair( void );
+
+// Client kills/scoring
+	virtual int IPointsForKill( CBasePlayer *pAttacker, CBasePlayer *pKilled );
+	virtual void PlayerKilled( CBasePlayer *pVictim, entvars_t *pKiller, entvars_t *pInflictor );
+	virtual void DeathNotice( CBasePlayer *pVictim, entvars_t *pKiller, entvars_t *pInflictor );
+
+// Weapon retrieval
+	virtual void PlayerGotWeapon( CBasePlayer *pPlayer, CBasePlayerItem *pWeapon );
+
+// Weapon spawn/respawn control
+	virtual int WeaponShouldRespawn( CBasePlayerItem *pWeapon );
+	virtual float FlWeaponRespawnTime( CBasePlayerItem *pWeapon );
+	virtual float FlWeaponTryRespawn( CBasePlayerItem *pWeapon );
+	virtual Vector VecWeaponRespawnSpot( CBasePlayerItem *pWeapon );
+
+// Item retrieval
+	virtual BOOL CanHaveItem( CBasePlayer *pPlayer, CItem *pItem );
+	virtual void PlayerGotItem( CBasePlayer *pPlayer, CItem *pItem );
+
+// Item spawn/respawn control
+	virtual int ItemShouldRespawn( CItem *pItem );
+	virtual float FlItemRespawnTime( CItem *pItem );
+	virtual Vector VecItemRespawnSpot( CItem *pItem );
+
+// Ammo retrieval
+	virtual void PlayerGotAmmo( CBasePlayer *pPlayer, char *szName, int iCount );
+
+// Ammo spawn/respawn control
+	virtual int AmmoShouldRespawn( CBasePlayerAmmo *pAmmo );
+	virtual float FlAmmoRespawnTime( CBasePlayerAmmo *pAmmo );
+	virtual Vector VecAmmoRespawnSpot( CBasePlayerAmmo *pAmmo );
+
+// Healthcharger respawn control
+	virtual float FlHealthChargerRechargeTime( void );
+
+// What happens to a dead player's weapons
+	virtual int DeadPlayerWeapons( CBasePlayer *pPlayer );
+
+// What happens to a dead player's ammo	
+	virtual int DeadPlayerAmmo( CBasePlayer *pPlayer );
+
+// Monsters
+	virtual BOOL FAllowMonsters( void );
+
+// Teamplay stuff	
+	virtual const char *GetTeamID( CBaseEntity *pEntity ) {return "";};
+	virtual int PlayerRelationship( CBaseEntity *pPlayer, CBaseEntity *pTarget );
+};
+
+//=========================================================
+// CHalfLifeMultiplay - rules for the basic half life multiplayer
+// competition
+//=========================================================
+class CHalfLifeMultiplay : public CGameRules
+{
+public:
+	CHalfLifeMultiplay();
+
+// GR_Think
+	virtual void Think( void );
+	virtual void RefreshSkillData( void );
+	virtual BOOL IsAllowedToSpawn( CBaseEntity *pEntity );
+	virtual BOOL FAllowFlashlight( void );
+
+	virtual BOOL FShouldSwitchWeapon( CBasePlayer *pPlayer, CBasePlayerItem *pWeapon );
+	virtual BOOL GetNextBestWeapon( CBasePlayer *pPlayer, CBasePlayerItem *pCurrentWeapon );
+
+// Functions to verify the single/multiplayer status of a game
+	virtual BOOL IsMultiplayer( void );
+	virtual BOOL IsDeathmatch( void );
+	virtual BOOL IsCoOp( void );
+
+// Client connection/disconnection
+	// If ClientConnected returns FALSE, the connection is rejected and the user is provided the reason specified in
+	//  svRejectReason
+	// Only the client's name and remote address are provided to the dll for verification.
+	virtual BOOL ClientConnected( edict_t *pEntity, const char *pszName, const char *pszAddress, char szRejectReason[ 128 ] );
+	virtual void InitHUD( CBasePlayer *pl );		// the client dll is ready for updating
+	virtual void ClientDisconnected( edict_t *pClient );
+	virtual void UpdateGameMode( CBasePlayer *pPlayer );  // the client needs to be informed of the current game mode
+
+// Client damage rules
+	virtual float FlPlayerFallDamage( CBasePlayer *pPlayer );
+	virtual BOOL  FPlayerCanTakeDamage( CBasePlayer *pPlayer, CBaseEntity *pAttacker );
+
+// Client spawn/respawn control
+	virtual void PlayerSpawn( CBasePlayer *pPlayer );
+	virtual void PlayerThink( CBasePlayer *pPlayer );
+	virtual BOOL FPlayerCanRespawn( CBasePlayer *pPlayer );
+	virtual float FlPlayerSpawnTime( CBasePlayer *pPlayer );
+	virtual edict_t *GetPlayerSpawnSpot( CBasePlayer *pPlayer );
+
+	virtual BOOL AllowAutoTargetCrosshair( void );
+	virtual BOOL ClientCommand( CBasePlayer *pPlayer, const char *pcmd );
+
+// Client kills/scoring
+	virtual int IPointsForKill( CBasePlayer *pAttacker, CBasePlayer *pKilled );
+	virtual void PlayerKilled( CBasePlayer *pVictim, entvars_t *pKiller, entvars_t *pInflictor );
+	virtual void DeathNotice( CBasePlayer *pVictim, entvars_t *pKiller, entvars_t *pInflictor );
+
+// Weapon retrieval
+	virtual void PlayerGotWeapon( CBasePlayer *pPlayer, CBasePlayerItem *pWeapon );
+	virtual BOOL CanHavePlayerItem( CBasePlayer *pPlayer, CBasePlayerItem *pWeapon );// The player is touching an CBasePlayerItem, do I give it to him?
+
+// Weapon spawn/respawn control
+	virtual int WeaponShouldRespawn( CBasePlayerItem *pWeapon );
+	virtual float FlWeaponRespawnTime( CBasePlayerItem *pWeapon );
+	virtual float FlWeaponTryRespawn( CBasePlayerItem *pWeapon );
+	virtual Vector VecWeaponRespawnSpot( CBasePlayerItem *pWeapon );
+
+// Item retrieval
+	virtual BOOL CanHaveItem( CBasePlayer *pPlayer, CItem *pItem );
+	virtual void PlayerGotItem( CBasePlayer *pPlayer, CItem *pItem );
+
+// Item spawn/respawn control
+	virtual int ItemShouldRespawn( CItem *pItem );
+	virtual float FlItemRespawnTime( CItem *pItem );
+	virtual Vector VecItemRespawnSpot( CItem *pItem );
+
+// Ammo retrieval
+	virtual void PlayerGotAmmo( CBasePlayer *pPlayer, char *szName, int iCount );
+
+// Ammo spawn/respawn control
+	virtual int AmmoShouldRespawn( CBasePlayerAmmo *pAmmo );
+	virtual float FlAmmoRespawnTime( CBasePlayerAmmo *pAmmo );
+	virtual Vector VecAmmoRespawnSpot( CBasePlayerAmmo *pAmmo );
+
+// Healthcharger respawn control
+	virtual float FlHealthChargerRechargeTime( void );
+	virtual float FlHEVChargerRechargeTime( void );
+
+// What happens to a dead player's weapons
+	virtual int DeadPlayerWeapons( CBasePlayer *pPlayer );
+
+// What happens to a dead player's ammo	
+	virtual int DeadPlayerAmmo( CBasePlayer *pPlayer );
+
+// Teamplay stuff	
+	virtual const char *GetTeamID( CBaseEntity *pEntity ) {return "";}
+	virtual int PlayerRelationship( CBaseEntity *pPlayer, CBaseEntity *pTarget );
+
+	virtual BOOL PlayTextureSounds( void ) { return FALSE; }
+	virtual BOOL PlayFootstepSounds( CBasePlayer *pl, float fvol );
+
+// Monsters
+	virtual BOOL FAllowMonsters( void );
+
+	// Immediately end a multiplayer game
+	virtual void EndMultiplayerGame( void ) { GoToIntermission(); }
+
+protected:
+	virtual void ChangeLevel( void );
+	virtual void GoToIntermission( void );
+	float m_flIntermissionEndTime;
+	BOOL m_iEndIntermissionButtonHit;
+	void SendMOTDToClient( edict_t *client );
+};
+
+extern DLL_GLOBAL CGameRules*	g_pGameRules;

dlls/hornet.h

@@ -0,0 +1,58 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+//=========================================================
+// Hornets
+//=========================================================
+
+//=========================================================
+// Hornet Defines
+//=========================================================
+#define HORNET_TYPE_RED			0
+#define HORNET_TYPE_ORANGE		1
+#define HORNET_RED_SPEED		(float)600
+#define HORNET_ORANGE_SPEED		(float)800
+#define	HORNET_BUZZ_VOLUME		(float)0.8
+
+extern int iHornetPuff;
+
+//=========================================================
+// Hornet - this is the projectile that the Alien Grunt fires.
+//=========================================================
+class CHornet : public CBaseMonster
+{
+public:
+	void Spawn( void );
+	void Precache( void );
+	int	 Classify ( void );
+	int  IRelationship ( CBaseEntity *pTarget );
+	virtual int		Save( CSave &save );
+	virtual int		Restore( CRestore &restore );
+	static	TYPEDESCRIPTION m_SaveData[];
+
+	void IgniteTrail( void );
+	void EXPORT StartTrack ( void );
+	void EXPORT StartDart ( void );
+	void EXPORT TrackTarget ( void );
+	void EXPORT TrackTouch ( CBaseEntity *pOther );
+	void EXPORT DartTouch( CBaseEntity *pOther );
+	void EXPORT DieTouch ( CBaseEntity *pOther );
+	
+	int TakeDamage( entvars_t *pevInflictor, entvars_t *pevAttacker, float flDamage, int bitsDamageType );
+
+	float			m_flStopAttack;
+	int				m_iHornetType;
+	float			m_flFlySpeed;
+};
+

dlls/items.h

@@ -0,0 +1,29 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef ITEMS_H
+#define ITEMS_H
+
+
+class CItem : public CBaseEntity
+{
+public:
+	void	Spawn( void );
+	CBaseEntity*	Respawn( void );
+	void	EXPORT ItemTouch( CBaseEntity *pOther );
+	void	EXPORT Materialize( void );
+	virtual BOOL MyTouch( CBasePlayer *pPlayer ) { return FALSE; };
+};
+
+#endif // ITEMS_H

dlls/maprules.h

@@ -0,0 +1,22 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+
+#ifndef MAPRULES_H
+#define MAPRULES_H
+
+
+
+#endif		// MAPRULES_H
+

dlls/monsterevent.h

@@ -0,0 +1,34 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef MONSTEREVENT_H
+#define MONSTEREVENT_H
+
+typedef struct
+{
+	int			event;
+	char		*options;
+} MonsterEvent_t;
+
+#define EVENT_SPECIFIC			0
+#define EVENT_SCRIPTED			1000
+#define EVENT_SHARED			2000
+#define EVENT_CLIENT			5000
+
+#define MONSTER_EVENT_BODYDROP_LIGHT	2001
+#define MONSTER_EVENT_BODYDROP_HEAVY	2002
+
+#define MONSTER_EVENT_SWISHSOUND		2010
+
+#endif		// MONSTEREVENT_H

dlls/monsters.h

@@ -0,0 +1,183 @@
+/***
+*
+*	Copyright (c) 1996-2001, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   This source code contains proprietary and confidential information of
+*   Valve LLC and its suppliers.  Access to this code is restricted to
+*   persons who have executed a written SDK license with Valve.  Any access,
+*   use or distribution of this code by or to any unlicensed person is illegal.
+*
+****/
+#ifndef MONSTERS_H
+#include "skill.h"
+#define MONSTERS_H
+
+/*
+
+===== monsters.h ========================================================
+
+  Header file for monster-related utility code
+
+*/
+
+// CHECKLOCALMOVE result types 
+#define	LOCALMOVE_INVALID					0 // move is not possible
+#define LOCALMOVE_INVALID_DONT_TRIANGULATE	1 // move is not possible, don't try to triangulate
+#define LOCALMOVE_VALID						2 // move is possible
+
+// Hit Group standards
+#define	HITGROUP_GENERIC	0
+#define	HITGROUP_HEAD		1
+#define	HITGROUP_CHEST		2
+#define	HITGROUP_STOMACH	3
+#define HITGROUP_LEFTARM	4	
+#define HITGROUP_RIGHTARM	5
+#define HITGROUP_LEFTLEG	6
+#define HITGROUP_RIGHTLEG	7
+
+
+// Monster Spawnflags
+#define	SF_MONSTER_WAIT_TILL_SEEN		1// spawnflag that makes monsters wait until player can see them before attacking.
+#define	SF_MONSTER_GAG					2 // no idle noises from this monster
+#define SF_MONSTER_HITMONSTERCLIP		4
+//										8
+#define SF_MONSTER_PRISONER				16 // monster won't attack anyone, no one will attacke him.
+//										32
+//										64
+#define	SF_MONSTER_WAIT_FOR_SCRIPT		128 //spawnflag that makes monsters wait to check for attacking until the script is done or they've been attacked
+#define SF_MONSTER_PREDISASTER			256	//this is a predisaster scientist or barney. Influences how they speak.
+#define SF_MONSTER_FADECORPSE			512 // Fade out corpse after death
+#define SF_MONSTER_FALL_TO_GROUND		0x80000000
+
+// specialty spawnflags
+#define SF_MONSTER_TURRET_AUTOACTIVATE	32
+#define SF_MONSTER_TURRET_STARTINACTIVE	64
+#define SF_MONSTER_WAIT_UNTIL_PROVOKED	64 // don't attack the player unless provoked
+
+
+
+// MoveToOrigin stuff
+#define		MOVE_START_TURN_DIST	64 // when this far away from moveGoal, start turning to face next goal
+#define		MOVE_STUCK_DIST			32 // if a monster can't step this far, it is stuck.
+
+
+// MoveToOrigin stuff
+#define		MOVE_NORMAL				0// normal move in the direction monster is facing
+#define		MOVE_STRAFE				1// moves in direction specified, no matter which way monster is facing
+
+// spawn flags 256 and above are already taken by the engine
+extern void UTIL_MoveToOrigin( edict_t* pent, const Vector &vecGoal, float flDist, int iMoveType ); 
+
+Vector VecCheckToss ( entvars_t *pev, const Vector &vecSpot1, Vector vecSpot2, float flGravityAdj = 1.0 );
+Vector VecCheckThrow ( entvars_t *pev, const Vector &vecSpot1, Vector vecSpot2, float flSpeed, float flGravityAdj = 1.0 );
+extern DLL_GLOBAL Vector		g_vecAttackDir;
+extern DLL_GLOBAL CONSTANT float g_flMeleeRange;
+extern DLL_GLOBAL CONSTANT float g_flMediumRange;
+extern DLL_GLOBAL CONSTANT float g_flLongRange;
+extern void EjectBrass (const Vector &vecOrigin, const Vector &vecVelocity, float rotation, int model, int soundtype );
+extern void ExplodeModel( const Vector &vecOrigin, float speed, int model, int count );
+
+BOOL FBoxVisible ( entvars_t *pevLooker, entvars_t *pevTarget );
+BOOL FBoxVisible ( entvars_t *pevLooker, entvars_t *pevTarget, Vector &vecTargetOrigin, float flSize = 0.0 );
+
+// monster to monster relationship types
+#define R_AL	-2 // (ALLY) pals. Good alternative to R_NO when applicable.
+#define R_FR	-1// (FEAR)will run
+#define	R_NO	0// (NO RELATIONSHIP) disregard
+#define R_DL	1// (DISLIKE) will attack
+#define R_HT	2// (HATE)will attack this character instead of any visible DISLIKEd characters
+#define R_NM	3// (NEMESIS)  A monster Will ALWAYS attack its nemsis, no matter what
+
+
+// these bits represent the monster's memory
+#define MEMORY_CLEAR					0
+#define bits_MEMORY_PROVOKED			( 1 << 0 )// right now only used for houndeyes.
+#define bits_MEMORY_INCOVER				( 1 << 1 )// monster knows it is in a covered position.
+#define bits_MEMORY_SUSPICIOUS			( 1 << 2 )// Ally is suspicious of the player, and will move to provoked more easily
+#define bits_MEMORY_PATH_FINISHED		( 1 << 3 )// Finished monster path (just used by big momma for now)
+#define bits_MEMORY_ON_PATH				( 1 << 4 )// Moving on a path
+#define bits_MEMORY_MOVE_FAILED			( 1 << 5 )// Movement has already failed
+#define bits_MEMORY_FLINCHED			( 1 << 6 )// Has already flinched
+#define bits_MEMORY_KILLED				( 1 << 7 )// HACKHACK -- remember that I've already called my Killed()
+#define bits_MEMORY_CUSTOM4				( 1 << 28 )	// Monster-specific memory
+#define bits_MEMORY_CUSTOM3				( 1 << 29 )	// Monster-specific memory
+#define bits_MEMORY_CUSTOM2				( 1 << 30 )	// Monster-specific memory
+#define bits_MEMORY_CUSTOM1				( 1 << 31 )	// Monster-specific memory
+
+// trigger conditions for scripted AI
+// these MUST match the CHOICES interface in halflife.fgd for the base monster
+enum 
+{
+	AITRIGGER_NONE = 0,
+	AITRIGGER_SEEPLAYER_ANGRY_AT_PLAYER,
+	AITRIGGER_TAKEDAMAGE,
+	AITRIGGER_HALFHEALTH,
+	AITRIGGER_DEATH,
+	AITRIGGER_SQUADMEMBERDIE,
+	AITRIGGER_SQUADLEADERDIE,
+	AITRIGGER_HEARWORLD,
+	AITRIGGER_HEARPLAYER,
+	AITRIGGER_HEARCOMBAT,
+	AITRIGGER_SEEPLAYER_UNCONDITIONAL,
+	AITRIGGER_SEEPLAYER_NOT_IN_COMBAT,
+};
+/*
+		0 : "No Trigger"
+		1 : "See Player"
+		2 : "Take Damage"
+		3 : "50% Health Remaining"
+		4 : "Death"
+		5 : "Squad Member Dead"
+		6 : "Squad Leader Dead"
+		7 : "Hear World"
+		8 : "Hear Player"
+		9 : "Hear Combat"
+*/
+
+//
+// A gib is a chunk of a body, or a piece of wood/metal/rocks/etc.
+//
+class CGib : public CBaseEntity
+{
+public:
+	void Spawn( const char *szGibModel );
+	void EXPORT BounceGibTouch ( CBaseEntity *pOther );
+	void EXPORT StickyGibTouch ( CBaseEntity *pOther );
+	void EXPORT WaitTillLand( void );
+	void		LimitVelocity( void );
+
+	virtual int	ObjectCaps( void ) { return (CBaseEntity :: ObjectCaps() & ~FCAP_ACROSS_TRANSITION) | FCAP_DONT_SAVE; }
+	static	void SpawnHeadGib( entvars_t *pevVictim );
+	static	void SpawnRandomGibs( entvars_t *pevVictim, int cGibs, int human );
+	static  void SpawnStickyGibs( entvars_t *pevVictim, Vector vecOrigin, int cGibs );
+
+	int		m_bloodColor;
+	int		m_cBloodDecals;
+	int		m_material;
+	float	m_lifeTime;
+};
+
+
+#define CUSTOM_SCHEDULES\
+		virtual Schedule_t *ScheduleFromName( const char *pName );\
+		static Schedule_t *m_scheduleList[];
+
+#define DEFINE_CUSTOM_SCHEDULES(derivedClass)\
+	Schedule_t *derivedClass::m_scheduleList[] =
+
+#define IMPLEMENT_CUSTOM_SCHEDULES(derivedClass, baseClass)\
+		Schedule_t *derivedClass::ScheduleFromName( const char *pName )\
+		{\
+			Schedule_t *pSchedule = ScheduleInList( pName, m_scheduleList, ARRAYSIZE(m_scheduleList) );\
+			if ( !pSchedule )\
+				return baseClass::ScheduleFromName(pName);\
+			return pSchedule;\
+		}
+
+
+
+#endif	//MONSTERS_H

dlls/nodes.h

@@ -0,0 +1,379 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+//=========================================================
+// nodes.h
+//=========================================================
+
+#ifndef	NODES_H
+#define	NODES_H
+
+//=========================================================
+// DEFINE
+//=========================================================
+#define MAX_STACK_NODES	    100
+#define	NO_NODE				-1
+#define MAX_NODE_HULLS		4
+
+#define bits_NODE_LAND      ( 1 << 0 )  // Land node, so nudge if necessary.
+#define bits_NODE_AIR       ( 1 << 1 )  // Air node, don't nudge.
+#define bits_NODE_WATER     ( 1 << 2 )  // Water node, don't nudge.
+#define bits_NODE_GROUP_REALM (bits_NODE_LAND | bits_NODE_AIR | bits_NODE_WATER)
+
+//=========================================================
+// Instance of a node.
+//=========================================================
+class CNode
+{
+public:
+	Vector	m_vecOrigin;// location of this node in space
+	Vector  m_vecOriginPeek; // location of this node (LAND nodes are NODE_HEIGHT higher).
+	BYTE    m_Region[3]; // Which of 256 regions do each of the coordinate belong?
+	int		m_afNodeInfo;// bits that tell us more about this location
+	
+	int		m_cNumLinks; // how many links this node has
+	int		m_iFirstLink;// index of this node's first link in the link pool.
+
+	// Where to start looking in the compressed routing table (offset into m_pRouteInfo).
+	// (4 hull sizes -- smallest to largest + fly/swim), and secondly, door capability.
+	//
+	int		m_pNextBestNode[MAX_NODE_HULLS][2];
+
+	// Used in finding the shortest path. m_fClosestSoFar is -1 if not visited.
+	// Then it is the distance to the source. If another path uses this node
+	// and has a closer distance, then m_iPreviousNode is also updated.
+	//
+	float   m_flClosestSoFar; // Used in finding the shortest path.
+	int		m_iPreviousNode;
+
+	short	m_sHintType;// there is something interesting in the world at this node's position
+	short	m_sHintActivity;// there is something interesting in the world at this node's position
+	float	m_flHintYaw;// monster on this node should face this yaw to face the hint.
+};
+
+//=========================================================
+// CLink - A link between 2 nodes
+//=========================================================
+#define		bits_LINK_SMALL_HULL	( 1 << 0 )// headcrab box can fit through this connection
+#define		bits_LINK_HUMAN_HULL	( 1 << 1 )// player box can fit through this connection
+#define		bits_LINK_LARGE_HULL	( 1 << 2 )// big box can fit through this connection
+#define		bits_LINK_FLY_HULL		( 1 << 3 )// a flying big box can fit through this connection
+#define		bits_LINK_DISABLED		( 1 << 4 )// link is not valid when the set
+
+#define		NODE_SMALL_HULL			0
+#define		NODE_HUMAN_HULL			1
+#define		NODE_LARGE_HULL			2
+#define		NODE_FLY_HULL			3
+
+class CLink
+{
+public:
+	int		m_iSrcNode;// the node that 'owns' this link ( keeps us from having to make reverse lookups )
+	int		m_iDestNode;// the node on the other end of the link. 
+	
+	entvars_t	*m_pLinkEnt;// the entity that blocks this connection (doors, etc)
+
+	// m_szLinkEntModelname is not necessarily NULL terminated (so we can store it in a more alignment-friendly 4 bytes)
+	char	m_szLinkEntModelname[ 4 ];// the unique name of the brush model that blocks the connection (this is kept for save/restore)
+
+	int		m_afLinkInfo;// information about this link
+	float	m_flWeight;// length of the link line segment
+};
+
+
+typedef struct
+{
+	int m_SortedBy[3];
+	int m_CheckedEvent;
+} DIST_INFO;
+
+typedef struct
+{
+	Vector v;
+	short n;		// Nearest node or -1 if no node found.
+} CACHE_ENTRY;
+
+//=========================================================
+// CGraph 
+//=========================================================
+#define	GRAPH_VERSION	(int)16// !!!increment this whever graph/node/link classes change, to obsolesce older disk files.
+class CGraph
+{
+public:
+
+// the graph has two flags, and should not be accessed unless both flags are TRUE!
+	BOOL	m_fGraphPresent;// is the graph in memory?
+	BOOL	m_fGraphPointersSet;// are the entity pointers for the graph all set?
+	BOOL    m_fRoutingComplete; // are the optimal routes computed, yet?
+
+	CNode	*m_pNodes;// pointer to the memory block that contains all node info
+	CLink	*m_pLinkPool;// big list of all node connections
+	char    *m_pRouteInfo; // compressed routing information the nodes use.
+
+	int		m_cNodes;// total number of nodes
+	int		m_cLinks;// total number of links
+	int     m_nRouteInfo; // size of m_pRouteInfo in bytes.
+
+	// Tables for making nearest node lookup faster. SortedBy provided nodes in a
+	// order of a particular coordinate. Instead of doing a binary search, RangeStart
+	// and RangeEnd let you get to the part of SortedBy that you are interested in.
+	//
+	// Once you have a point of interest, the only way you'll find a closer point is
+	// if at least one of the coordinates is closer than the ones you have now. So we
+	// search each range. After the search is exhausted, we know we have the closest
+	// node.
+	//
+#define CACHE_SIZE 128
+#define NUM_RANGES 256
+	DIST_INFO *m_di;	// This is m_cNodes long, but the entries don't correspond to CNode entries.
+	int m_RangeStart[3][NUM_RANGES];
+	int m_RangeEnd[3][NUM_RANGES];
+	float m_flShortest;
+	int m_iNearest;
+	int m_minX, m_minY, m_minZ, m_maxX, m_maxY, m_maxZ;
+	int m_minBoxX, m_minBoxY, m_minBoxZ, m_maxBoxX, m_maxBoxY, m_maxBoxZ;
+	int m_CheckedCounter;
+	float m_RegionMin[3], m_RegionMax[3]; // The range of nodes.
+	CACHE_ENTRY m_Cache[CACHE_SIZE];
+
+
+	int m_HashPrimes[16];
+	short *m_pHashLinks;
+	int m_nHashLinks;
+
+
+	// kinda sleazy. In order to allow variety in active idles for monster groups in a room with more than one node, 
+	// we keep track of the last node we searched from and store it here. Subsequent searches by other monsters will pick
+	// up where the last search stopped.
+	int		m_iLastActiveIdleSearch;
+
+	// another such system used to track the search for cover nodes, helps greatly with two monsters trying to get to the same node.
+	int		m_iLastCoverSearch;
+
+	// functions to create the graph
+	int		LinkVisibleNodes ( CLink *pLinkPool, FILE *file, int *piBadNode );
+	int		RejectInlineLinks ( CLink *pLinkPool, FILE *file );
+	int		FindShortestPath ( int *piPath, int iStart, int iDest, int iHull, int afCapMask);
+	int		FindNearestNode ( const Vector &vecOrigin, CBaseEntity *pEntity );
+	int		FindNearestNode ( const Vector &vecOrigin, int afNodeTypes );
+	//int		FindNearestLink ( const Vector &vecTestPoint, int *piNearestLink, BOOL *pfAlongLine );
+	float	PathLength( int iStart, int iDest, int iHull, int afCapMask );
+	int		NextNodeInRoute( int iCurrentNode, int iDest, int iHull, int iCap );
+
+	enum NODEQUERY { NODEGRAPH_DYNAMIC, NODEGRAPH_STATIC };
+	// A static query means we're asking about the possiblity of handling this entity at ANY time
+	// A dynamic query means we're asking about it RIGHT NOW.  So we should query the current state
+	int		HandleLinkEnt ( int iNode, entvars_t *pevLinkEnt, int afCapMask, NODEQUERY queryType );
+	entvars_t*	LinkEntForLink ( CLink *pLink, CNode *pNode );
+	void	ShowNodeConnections ( int iNode );
+	void	InitGraph( void );
+	int		AllocNodes ( void );
+	
+	int		CheckNODFile(char *szMapName);
+	int		FLoadGraph(char *szMapName);
+	int		FSaveGraph(char *szMapName);
+	int		FSetGraphPointers(void);
+	void	CheckNode(Vector vecOrigin, int iNode);
+
+	void    BuildRegionTables(void);
+	void    ComputeStaticRoutingTables(void);
+	void    TestRoutingTables(void);
+
+	void	HashInsert(int iSrcNode, int iDestNode, int iKey);
+	void    HashSearch(int iSrcNode, int iDestNode, int &iKey);
+	void	HashChoosePrimes(int TableSize);
+	void    BuildLinkLookups(void);
+
+	void    SortNodes(void);
+
+	int			HullIndex( const CBaseEntity *pEntity );	// what hull the monster uses
+	int			NodeType( const CBaseEntity *pEntity );		// what node type the monster uses
+	inline int	CapIndex( int afCapMask ) 
+	{ 
+		if (afCapMask & (bits_CAP_OPEN_DOORS | bits_CAP_AUTO_DOORS | bits_CAP_USE)) 
+			return 1; 
+		return 0; 
+	}
+
+
+	inline	CNode &Node( int i )
+	{
+#ifdef _DEBUG
+		if ( !m_pNodes || i < 0 || i > m_cNodes )
+			ALERT( at_error, "Bad Node!\n" );
+#endif
+		return m_pNodes[i];
+	}
+
+	inline	CLink &Link( int i )
+	{
+#ifdef _DEBUG
+		if ( !m_pLinkPool || i < 0 || i > m_cLinks )
+			ALERT( at_error, "Bad link!\n" );
+#endif
+		return m_pLinkPool[i];
+	}
+	
+	inline CLink &NodeLink( int iNode, int iLink )
+	{
+		return Link( Node( iNode ).m_iFirstLink + iLink );
+	}
+
+	inline CLink &NodeLink( const CNode &node, int iLink )
+	{
+		return Link( node.m_iFirstLink + iLink );
+	}
+
+	inline  int	INodeLink ( int iNode, int iLink )
+	{
+		return NodeLink( iNode, iLink ).m_iDestNode;
+	}
+
+#if 0
+	inline CNode &SourceNode( int iNode, int iLink )
+	{
+		return Node( NodeLink( iNode, iLink ).m_iSrcNode );
+	}
+
+	inline CNode &DestNode( int iNode, int iLink )
+	{
+		return Node( NodeLink( iNode, iLink ).m_iDestNode );
+	}
+
+	inline	CNode *PNodeLink ( int iNode, int iLink ) 
+	{
+		return &DestNode( iNode, iLink );
+	}
+#endif
+};
+
+//=========================================================
+// Nodes start out as ents in the level. The node graph 
+// is built, then these ents are discarded. 
+//=========================================================
+class CNodeEnt : public CBaseEntity
+{
+	void Spawn( void );
+	void KeyValue( KeyValueData *pkvd );
+	virtual int	ObjectCaps( void ) { return CBaseEntity :: ObjectCaps() & ~FCAP_ACROSS_TRANSITION; }
+
+	short m_sHintType;
+	short m_sHintActivity;
+};
+
+
+//=========================================================
+// CStack - last in, first out.
+//=========================================================
+class CStack 
+{
+public:
+			CStack( void );
+	void	Push( int value );
+	int		Pop( void );
+	int		Top( void );
+	int		Empty( void ) { return m_level==0; }
+	int		Size( void ) { return m_level; }
+	void    CopyToArray ( int *piArray );
+
+private:
+	int		m_stack[ MAX_STACK_NODES ];
+	int		m_level;
+};
+
+
+//=========================================================
+// CQueue - first in, first out.
+//=========================================================
+class CQueue
+{
+public:
+
+	CQueue( void );// constructor
+	inline int Full ( void ) { return ( m_cSize == MAX_STACK_NODES ); }
+	inline int Empty ( void ) { return ( m_cSize == 0 ); }
+	//inline int Tail ( void ) { return ( m_queue[ m_tail ] ); }
+	inline int Size ( void ) { return ( m_cSize ); }
+	void Insert( int, float );
+	int Remove( float & );
+
+private:
+	int	m_cSize;
+    struct tag_QUEUE_NODE
+    {
+        int   Id;
+        float Priority;
+    } m_queue[ MAX_STACK_NODES ];
+	int m_head;
+	int m_tail;
+};
+
+//=========================================================
+// CQueuePriority - Priority queue (smallest item out first).
+//
+//=========================================================
+class CQueuePriority
+{
+public:
+
+	CQueuePriority( void );// constructor
+	inline int Full ( void ) { return ( m_cSize == MAX_STACK_NODES ); }
+	inline int Empty ( void ) { return ( m_cSize == 0 ); }
+	//inline int Tail ( float & ) { return ( m_queue[ m_tail ].Id ); }
+	inline int Size ( void ) { return ( m_cSize ); }
+	void Insert( int, float );
+	int Remove( float &);
+
+private:
+	int	m_cSize;
+    struct tag_HEAP_NODE
+    {
+        int   Id;
+        float Priority;
+    } m_heap[ MAX_STACK_NODES ];
+	void Heap_SiftDown(int);
+	void Heap_SiftUp(void);
+
+};
+
+//=========================================================
+// hints - these MUST coincide with the HINTS listed under
+// info_node in the FGD file!
+//=========================================================
+enum
+{
+	HINT_NONE = 0,
+	HINT_WORLD_DOOR,
+	HINT_WORLD_WINDOW,
+	HINT_WORLD_BUTTON,
+	HINT_WORLD_MACHINERY,
+	HINT_WORLD_LEDGE,
+	HINT_WORLD_LIGHT_SOURCE,
+	HINT_WORLD_HEAT_SOURCE,
+	HINT_WORLD_BLINKING_LIGHT,
+	HINT_WORLD_BRIGHT_COLORS,
+	HINT_WORLD_HUMAN_BLOOD,
+	HINT_WORLD_ALIEN_BLOOD,
+
+	HINT_TACTICAL_EXIT = 100,
+	HINT_TACTICAL_VANTAGE,
+	HINT_TACTICAL_AMBUSH,
+
+	HINT_STUKA_PERCH = 300,
+	HINT_STUKA_LANDING,
+};
+
+extern CGraph WorldGraph;
+
+#endif	// NODES_H

dlls/plane.h

@@ -0,0 +1,43 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef PLANE_H
+#define PLANE_H
+
+//=========================================================
+// Plane
+//=========================================================
+class CPlane 
+{
+public:
+	CPlane ( void );
+
+	//=========================================================
+	// InitializePlane - Takes a normal for the plane and a
+	// point on the plane and 
+	//=========================================================
+	void InitializePlane ( const Vector &vecNormal, const Vector &vecPoint );
+
+	//=========================================================
+	// PointInFront - determines whether the given vector is 
+	// in front of the plane. 
+	//=========================================================
+	BOOL PointInFront ( const Vector &vecPoint );
+
+	Vector	m_vecNormal;
+	float	m_flDist;
+	BOOL	m_fInitialized;
+};
+
+#endif // PLANE_H

dlls/player.h

@@ -0,0 +1,336 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef PLAYER_H
+#define PLAYER_H
+
+
+#include "pm_materials.h"
+
+
+#define PLAYER_FATAL_FALL_SPEED		1024// approx 60 feet
+#define PLAYER_MAX_SAFE_FALL_SPEED	580// approx 20 feet
+#define DAMAGE_FOR_FALL_SPEED		(float) 100 / ( PLAYER_FATAL_FALL_SPEED - PLAYER_MAX_SAFE_FALL_SPEED )// damage per unit per second.
+#define PLAYER_MIN_BOUNCE_SPEED		200
+#define PLAYER_FALL_PUNCH_THRESHHOLD (float)350 // won't punch player's screen/make scrape noise unless player falling at least this fast.
+
+//
+// Player PHYSICS FLAGS bits
+//
+#define		PFLAG_ONLADDER		( 1<<0 )
+#define		PFLAG_ONSWING		( 1<<0 )
+#define		PFLAG_ONTRAIN		( 1<<1 )
+#define		PFLAG_ONBARNACLE	( 1<<2 )
+#define		PFLAG_DUCKING		( 1<<3 )		// In the process of ducking, but totally squatted yet
+#define		PFLAG_USING			( 1<<4 )		// Using a continuous entity
+#define		PFLAG_OBSERVER		( 1<<5 )		// player is locked in stationary cam mode. Spectators can move, observers can't.
+
+//
+// generic player
+//
+//-----------------------------------------------------
+//This is Half-Life player entity
+//-----------------------------------------------------
+#define CSUITPLAYLIST	4		// max of 4 suit sentences queued up at any time
+
+#define SUIT_GROUP			TRUE
+#define	SUIT_SENTENCE		FALSE
+
+#define	SUIT_REPEAT_OK		0
+#define SUIT_NEXT_IN_30SEC	30
+#define SUIT_NEXT_IN_1MIN	60
+#define SUIT_NEXT_IN_5MIN	300
+#define SUIT_NEXT_IN_10MIN	600
+#define SUIT_NEXT_IN_30MIN	1800
+#define SUIT_NEXT_IN_1HOUR	3600
+
+#define CSUITNOREPEAT		32
+
+#define	SOUND_FLASHLIGHT_ON		"items/flashlight1.wav"
+#define	SOUND_FLASHLIGHT_OFF	"items/flashlight1.wav"
+
+#define TEAM_NAME_LENGTH	16
+
+typedef enum
+{
+	PLAYER_IDLE,
+	PLAYER_WALK,
+	PLAYER_JUMP,
+	PLAYER_SUPERJUMP,
+	PLAYER_DIE,
+	PLAYER_ATTACK1,
+} PLAYER_ANIM;
+
+#define MAX_ID_RANGE 2048
+#define SBAR_STRING_SIZE 128
+
+enum sbar_data
+{
+	SBAR_ID_TARGETNAME = 1,
+	SBAR_ID_TARGETHEALTH,
+	SBAR_ID_TARGETARMOR,
+	SBAR_END,
+};
+
+#define CHAT_INTERVAL 1.0f
+
+class CBasePlayer : public CBaseMonster
+{
+public:
+	
+	// Spectator camera
+	void	Observer_FindNextPlayer( bool bReverse );
+	void	Observer_HandleButtons();
+	void	Observer_SetMode( int iMode );
+	void	Observer_CheckTarget();
+	void	Observer_CheckProperties();
+	EHANDLE	m_hObserverTarget;
+	float	m_flNextObserverInput;
+	int		m_iObserverWeapon;	// weapon of current tracked target
+	int		m_iObserverLastMode;// last used observer mode
+	int		IsObserver() { return pev->iuser1; };
+	int					random_seed;    // See that is shared between client & server for shared weapons code
+
+	int					m_iPlayerSound;// the index of the sound list slot reserved for this player
+	int					m_iTargetVolume;// ideal sound volume. 
+	int					m_iWeaponVolume;// how loud the player's weapon is right now.
+	int					m_iExtraSoundTypes;// additional classification for this weapon's sound
+	int					m_iWeaponFlash;// brightness of the weapon flash
+	float				m_flStopExtraSoundTime;
+	
+	float				m_flFlashLightTime;	// Time until next battery draw/Recharge
+	int					m_iFlashBattery;		// Flashlight Battery Draw
+
+	int					m_afButtonLast;
+	int					m_afButtonPressed;
+	int					m_afButtonReleased;
+	
+	edict_t			   *m_pentSndLast;			// last sound entity to modify player room type
+	float				m_flSndRoomtype;		// last roomtype set by sound entity
+	float				m_flSndRange;			// dist from player to sound entity
+
+	float				m_flFallVelocity;
+	
+	int					m_rgItems[MAX_ITEMS];
+	int					m_fKnownItem;		// True when a new item needs to be added
+	int					m_fNewAmmo;			// True when a new item has been added
+
+	unsigned int		m_afPhysicsFlags;	// physics flags - set when 'normal' physics should be revisited or overriden
+	float				m_fNextSuicideTime; // the time after which the player can next use the suicide command
+
+
+// these are time-sensitive things that we keep track of
+	float				m_flTimeStepSound;	// when the last stepping sound was made
+	float				m_flTimeWeaponIdle; // when to play another weapon idle animation.
+	float				m_flSwimTime;		// how long player has been underwater
+	float				m_flDuckTime;		// how long we've been ducking
+	float				m_flWallJumpTime;	// how long until next walljump
+
+	float				m_flSuitUpdate;					// when to play next suit update
+	int					m_rgSuitPlayList[CSUITPLAYLIST];// next sentencenum to play for suit update
+	int					m_iSuitPlayNext;				// next sentence slot for queue storage;
+	int					m_rgiSuitNoRepeat[CSUITNOREPEAT];		// suit sentence no repeat list
+	float				m_rgflSuitNoRepeatTime[CSUITNOREPEAT];	// how long to wait before allowing repeat
+	int					m_lastDamageAmount;		// Last damage taken
+	float				m_tbdPrev;				// Time-based damage timer
+
+	float				m_flgeigerRange;		// range to nearest radiation source
+	float				m_flgeigerDelay;		// delay per update of range msg to client
+	int					m_igeigerRangePrev;
+	int					m_iStepLeft;			// alternate left/right foot stepping sound
+	char				m_szTextureName[CBTEXTURENAMEMAX];	// current texture name we're standing on
+	char				m_chTextureType;		// current texture type
+
+	int					m_idrowndmg;			// track drowning damage taken
+	int					m_idrownrestored;		// track drowning damage restored
+
+	int					m_bitsHUDDamage;		// Damage bits for the current fame. These get sent to 
+												// the hude via the DAMAGE message
+	BOOL				m_fInitHUD;				// True when deferred HUD restart msg needs to be sent
+	BOOL				m_fGameHUDInitialized;
+	int					m_iTrain;				// Train control position
+	BOOL				m_fWeapon;				// Set this to FALSE to force a reset of the current weapon HUD info
+
+	EHANDLE				m_pTank;				// the tank which the player is currently controlling,  NULL if no tank
+	float				m_fDeadTime;			// the time at which the player died  (used in PlayerDeathThink())
+
+	BOOL			m_fNoPlayerSound;	// a debugging feature. Player makes no sound if this is true. 
+	BOOL			m_fLongJump; // does this player have the longjump module?
+
+	float       m_tSneaking;
+	int			m_iUpdateTime;		// stores the number of frame ticks before sending HUD update messages
+	int			m_iClientHealth;	// the health currently known by the client.  If this changes, send a new
+	int			m_iClientBattery;	// the Battery currently known by the client.  If this changes, send a new
+	int			m_iHideHUD;		// the players hud weapon info is to be hidden
+	int			m_iClientHideHUD;
+	int			m_iFOV;			// field of view
+	int			m_iClientFOV;	// client's known FOV
+	// usable player items 
+	CBasePlayerItem	*m_rgpPlayerItems[MAX_ITEM_TYPES];
+	CBasePlayerItem *m_pActiveItem;
+	CBasePlayerItem *m_pClientActiveItem;  // client version of the active item
+	CBasePlayerItem *m_pLastItem;
+	// shared ammo slots
+	int	m_rgAmmo[MAX_AMMO_SLOTS];
+	int	m_rgAmmoLast[MAX_AMMO_SLOTS];
+
+	Vector				m_vecAutoAim;
+	BOOL				m_fOnTarget;
+	int					m_iDeaths;
+	float				m_iRespawnFrames;	// used in PlayerDeathThink() to make sure players can always respawn
+
+	int m_lastx, m_lasty;  // These are the previous update's crosshair angles, DON"T SAVE/RESTORE
+
+	int m_nCustomSprayFrames;// Custom clan logo frames for this player
+	float	m_flNextDecalTime;// next time this player can spray a decal
+
+	char m_szTeamName[TEAM_NAME_LENGTH];
+
+	virtual void Spawn( void );
+	void Pain( void );
+
+//	virtual void Think( void );
+	virtual void Jump( void );
+	virtual void Duck( void );
+	virtual void PreThink( void );
+	virtual void PostThink( void );
+	virtual Vector GetGunPosition( void );
+	virtual int TakeHealth( float flHealth, int bitsDamageType );
+	virtual void TraceAttack( entvars_t *pevAttacker, float flDamage, Vector vecDir, TraceResult *ptr, int bitsDamageType);
+	virtual int TakeDamage( entvars_t* pevInflictor, entvars_t* pevAttacker, float flDamage, int bitsDamageType);
+	virtual void	Killed( entvars_t *pevAttacker, int iGib );
+	virtual Vector BodyTarget( const Vector &posSrc ) { return Center( ) + pev->view_ofs * RANDOM_FLOAT( 0.5, 1.1 ); };		// position to shoot at
+	virtual void StartSneaking( void ) { m_tSneaking = gpGlobals->time - 1; }
+	virtual void StopSneaking( void ) { m_tSneaking = gpGlobals->time + 30; }
+	virtual BOOL IsSneaking( void ) { return m_tSneaking <= gpGlobals->time; }
+	virtual BOOL IsAlive( void ) { return (pev->deadflag == DEAD_NO) && pev->health > 0; }
+	virtual BOOL ShouldFadeOnDeath( void ) { return FALSE; }
+	virtual	BOOL IsPlayer( void ) { return TRUE; }			// Spectators should return FALSE for this, they aren't "players" as far as game logic is concerned
+
+	virtual BOOL IsNetClient( void ) { return TRUE; }		// Bots should return FALSE for this, they can't receive NET messages
+															// Spectators should return TRUE for this
+	virtual const char *TeamID( void );
+
+	virtual int		Save( CSave &save );
+	virtual int		Restore( CRestore &restore );
+	void RenewItems(void);
+	void PackDeadPlayerItems( void );
+	void RemoveAllItems( BOOL removeSuit );
+	BOOL SwitchWeapon( CBasePlayerItem *pWeapon );
+
+	// JOHN:  sends custom messages if player HUD data has changed  (eg health, ammo)
+	virtual void UpdateClientData( void );
+	
+	static	TYPEDESCRIPTION m_playerSaveData[];
+
+	// Player is moved across the transition by other means
+	virtual int		ObjectCaps( void ) { return CBaseMonster :: ObjectCaps() & ~FCAP_ACROSS_TRANSITION; }
+	virtual void	Precache( void );
+	BOOL			IsOnLadder( void );
+	BOOL			FlashlightIsOn( void );
+	void			FlashlightTurnOn( void );
+	void			FlashlightTurnOff( void );
+	
+	void UpdatePlayerSound ( void );
+	void DeathSound ( void );
+
+	int Classify ( void );
+	void SetAnimation( PLAYER_ANIM playerAnim );
+	void SetWeaponAnimType( const char *szExtention );
+	char m_szAnimExtention[32];
+
+	// custom player functions
+	virtual void ImpulseCommands( void );
+	void CheatImpulseCommands( int iImpulse );
+
+	void StartDeathCam( void );
+	void StartObserver( Vector vecPosition, Vector vecViewAngle );
+
+	void AddPoints( int score, BOOL bAllowNegativeScore );
+	void AddPointsToTeam( int score, BOOL bAllowNegativeScore );
+	BOOL AddPlayerItem( CBasePlayerItem *pItem );
+	BOOL RemovePlayerItem( CBasePlayerItem *pItem );
+	void DropPlayerItem ( char *pszItemName );
+	BOOL HasPlayerItem( CBasePlayerItem *pCheckItem );
+	BOOL HasNamedPlayerItem( const char *pszItemName );
+	BOOL HasWeapons( void );// do I have ANY weapons?
+	void SelectPrevItem( int iItem );
+	void SelectNextItem( int iItem );
+	void SelectLastItem(void);
+	void SelectItem(const char *pstr);
+	void ItemPreFrame( void );
+	void ItemPostFrame( void );
+	void GiveNamedItem( const char *szName );
+	void EnableControl(BOOL fControl);
+
+	int  GiveAmmo( int iAmount, char *szName, int iMax );
+	void SendAmmoUpdate(void);
+
+	void WaterMove( void );
+	void EXPORT PlayerDeathThink( void );
+	void PlayerUse( void );
+
+	void CheckSuitUpdate();
+	void SetSuitUpdate(char *name, int fgroup, int iNoRepeat);
+	void UpdateGeigerCounter( void );
+	void CheckTimeBasedDamage( void );
+
+	BOOL FBecomeProne ( void );
+	void BarnacleVictimBitten ( entvars_t *pevBarnacle );
+	void BarnacleVictimReleased ( void );
+	static int GetAmmoIndex(const char *psz);
+	int AmmoInventory( int iAmmoIndex );
+	int Illumination( void );
+
+	void ResetAutoaim( void );
+	Vector GetAutoaimVector( float flDelta  );
+	Vector AutoaimDeflection( Vector &vecSrc, float flDist, float flDelta  );
+
+	void ForceClientDllUpdate( void );  // Forces all client .dll specific data to be resent to client.
+
+	void DeathMessage( entvars_t *pevKiller );
+
+	void SetCustomDecalFrames( int nFrames );
+	int GetCustomDecalFrames( void );
+
+	void CBasePlayer::TabulateAmmo( void );
+
+	float m_flStartCharge;
+	float m_flAmmoStartCharge;
+	float m_flPlayAftershock;
+	float m_flNextAmmoBurn;// while charging, when to absorb another unit of player's ammo?
+	
+	//Player ID
+	void InitStatusBar( void );
+	void UpdateStatusBar( void );
+	int m_izSBarState[ SBAR_END ];
+	float m_flNextSBarUpdateTime;
+	float m_flStatusBarDisappearDelay;
+	char m_SbarString0[ SBAR_STRING_SIZE ];
+	char m_SbarString1[ SBAR_STRING_SIZE ];
+	
+	float m_flNextChatTime;
+	
+};
+
+#define AUTOAIM_2DEGREES  0.0348994967025
+#define AUTOAIM_5DEGREES  0.08715574274766
+#define AUTOAIM_8DEGREES  0.1391731009601
+#define AUTOAIM_10DEGREES 0.1736481776669
+
+
+extern int	gmsgHudText;
+extern BOOL gInitHUD;
+
+#endif // PLAYER_H

dlls/saverestore.h

@@ -0,0 +1,169 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+// Implementation in UTIL.CPP
+#ifndef SAVERESTORE_H
+#define SAVERESTORE_H
+
+class CBaseEntity;
+
+class CSaveRestoreBuffer
+{
+public:
+	CSaveRestoreBuffer( void );
+	CSaveRestoreBuffer( SAVERESTOREDATA *pdata );
+	~CSaveRestoreBuffer( void );
+
+	int			EntityIndex( entvars_t *pevLookup );
+	int			EntityIndex( edict_t *pentLookup );
+	int			EntityIndex( EOFFSET eoLookup );
+	int			EntityIndex( CBaseEntity *pEntity );
+
+	int			EntityFlags( int entityIndex, int flags ) { return EntityFlagsSet( entityIndex, 0 ); }
+	int			EntityFlagsSet( int entityIndex, int flags );
+
+	edict_t		*EntityFromIndex( int entityIndex );
+
+	unsigned short	TokenHash( const char *pszToken );
+
+protected:
+	SAVERESTOREDATA		*m_pdata;
+	void		BufferRewind( int size );
+	unsigned int	HashString( const char *pszToken );
+};
+
+
+class CSave : public CSaveRestoreBuffer
+{
+public:
+	CSave( SAVERESTOREDATA *pdata ) : CSaveRestoreBuffer( pdata ) {};
+
+	void	WriteShort( const char *pname, const short *value, int count );
+	void	WriteInt( const char *pname, const int *value, int count );		// Save an int
+	void	WriteFloat( const char *pname, const float *value, int count );	// Save a float
+	void	WriteTime( const char *pname, const float *value, int count );	// Save a float (timevalue)
+	void	WriteData( const char *pname, int size, const char *pdata );		// Save a binary data block
+	void	WriteString( const char *pname, const char *pstring );			// Save a null-terminated string
+	void	WriteString( const char *pname, const int *stringId, int count );	// Save a null-terminated string (engine string)
+	void	WriteVector( const char *pname, const Vector &value );				// Save a vector
+	void	WriteVector( const char *pname, const float *value, int count );	// Save a vector
+	void	WritePositionVector( const char *pname, const Vector &value );		// Offset for landmark if necessary
+	void	WritePositionVector( const char *pname, const float *value, int count );	// array of pos vectors
+	void	WriteFunction( const char *pname, void **value, int count );		// Save a function pointer
+	int		WriteEntVars( const char *pname, entvars_t *pev );		// Save entvars_t (entvars_t)
+	int		WriteFields( const char *pname, void *pBaseData, TYPEDESCRIPTION *pFields, int fieldCount );
+
+private:
+	int		DataEmpty( const char *pdata, int size );
+	void	BufferField( const char *pname, int size, const char *pdata );
+	void	BufferString( char *pdata, int len );
+	void	BufferData( const char *pdata, int size );
+	void	BufferHeader( const char *pname, int size );
+};
+
+typedef struct 
+{
+	unsigned short		size;
+	unsigned short		token;
+	char				*pData;
+} HEADER;
+
+class CRestore : public CSaveRestoreBuffer
+{
+public:
+	CRestore( SAVERESTOREDATA *pdata ) : CSaveRestoreBuffer( pdata ) { m_global = 0; m_precache = TRUE; }
+	int		ReadEntVars( const char *pname, entvars_t *pev );		// entvars_t
+	int		ReadFields( const char *pname, void *pBaseData, TYPEDESCRIPTION *pFields, int fieldCount );
+	int		ReadField( void *pBaseData, TYPEDESCRIPTION *pFields, int fieldCount, int startField, int size, char *pName, void *pData );
+	int		ReadInt( void );
+	short	ReadShort( void );
+	int		ReadNamedInt( const char *pName );
+	char	*ReadNamedString( const char *pName );
+	int		Empty( void ) { return (m_pdata == NULL) || ((m_pdata->pCurrentData-m_pdata->pBaseData)>=m_pdata->bufferSize); }
+	inline	void SetGlobalMode( int global ) { m_global = global; }
+	void	PrecacheMode( BOOL mode ) { m_precache = mode; }
+
+private:
+	char	*BufferPointer( void );
+	void	BufferReadBytes( char *pOutput, int size );
+	void	BufferSkipBytes( int bytes );
+	int		BufferSkipZString( void );
+	int		BufferCheckZString( const char *string );
+
+	void	BufferReadHeader( HEADER *pheader );
+
+	int		m_global;		// Restoring a global entity?
+	BOOL	m_precache;
+};
+
+#define MAX_ENTITYARRAY 64
+
+//#define ARRAYSIZE(p)		(sizeof(p)/sizeof(p[0]))
+
+#define IMPLEMENT_SAVERESTORE(derivedClass,baseClass) \
+	int derivedClass::Save( CSave &save )\
+	{\
+		if ( !baseClass::Save(save) )\
+			return 0;\
+		return save.WriteFields( #derivedClass, this, m_SaveData, ARRAYSIZE(m_SaveData) );\
+	}\
+	int derivedClass::Restore( CRestore &restore )\
+	{\
+		if ( !baseClass::Restore(restore) )\
+			return 0;\
+		return restore.ReadFields( #derivedClass, this, m_SaveData, ARRAYSIZE(m_SaveData) );\
+	}
+
+
+typedef enum { GLOBAL_OFF = 0, GLOBAL_ON = 1, GLOBAL_DEAD = 2 } GLOBALESTATE;
+
+typedef struct globalentity_s globalentity_t;
+
+struct globalentity_s
+{
+	char			name[64];
+	char			levelName[32];
+	GLOBALESTATE	state;
+	globalentity_t	*pNext;
+};
+
+class CGlobalState
+{
+public:
+					CGlobalState();
+	void			Reset( void );
+	void			ClearStates( void );
+	void			EntityAdd( string_t globalname, string_t mapName, GLOBALESTATE state );
+	void			EntitySetState( string_t globalname, GLOBALESTATE state );
+	void			EntityUpdate( string_t globalname, string_t mapname );
+	const globalentity_t	*EntityFromTable( string_t globalname );
+	GLOBALESTATE	EntityGetState( string_t globalname );
+	int				EntityInTable( string_t globalname ) { return (Find( globalname ) != NULL) ? 1 : 0; }
+	int				Save( CSave &save );
+	int				Restore( CRestore &restore );
+	static TYPEDESCRIPTION m_SaveData[];
+
+//#ifdef _DEBUG
+	void			DumpGlobals( void );
+//#endif
+
+private:
+	globalentity_t	*Find( string_t globalname );
+	globalentity_t	*m_pList;
+	int				m_listCount;
+};
+
+extern CGlobalState gGlobalState;
+
+#endif		//SAVERESTORE_H

dlls/schedule.h

@@ -0,0 +1,290 @@
+/***
+*
+*	Copyright (c) 1996-2001, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   This source code contains proprietary and confidential information of
+*   Valve LLC and its suppliers.  Access to this code is restricted to
+*   persons who have executed a written SDK license with Valve.  Any access,
+*   use or distribution of this code by or to any unlicensed person is illegal.
+*
+****/
+//=========================================================
+// Scheduling 
+//=========================================================
+
+#ifndef	SCHEDULE_H
+#define	SCHEDULE_H
+
+#define	TASKSTATUS_NEW				0			// Just started
+#define TASKSTATUS_RUNNING			1			// Running task & movement
+#define TASKSTATUS_RUNNING_MOVEMENT	2			// Just running movement
+#define TASKSTATUS_RUNNING_TASK		3			// Just running task
+#define TASKSTATUS_COMPLETE			4			// Completed, get next task
+
+
+//=========================================================
+// These are the schedule types
+//=========================================================
+typedef enum 
+{
+		SCHED_NONE = 0,
+		SCHED_IDLE_STAND,
+		SCHED_IDLE_WALK,
+		SCHED_WAKE_ANGRY,
+		SCHED_WAKE_CALLED,
+		SCHED_ALERT_FACE,
+		SCHED_ALERT_SMALL_FLINCH,
+		SCHED_ALERT_BIG_FLINCH,
+		SCHED_ALERT_STAND,
+		SCHED_INVESTIGATE_SOUND,
+		SCHED_COMBAT_FACE,
+		SCHED_COMBAT_STAND,
+		SCHED_CHASE_ENEMY,
+		SCHED_CHASE_ENEMY_FAILED,
+		SCHED_VICTORY_DANCE,
+		SCHED_TARGET_FACE,
+		SCHED_TARGET_CHASE,
+		SCHED_SMALL_FLINCH,
+		SCHED_TAKE_COVER_FROM_ENEMY,
+		SCHED_TAKE_COVER_FROM_BEST_SOUND,
+		SCHED_TAKE_COVER_FROM_ORIGIN,
+		SCHED_COWER, // usually a last resort!
+		SCHED_MELEE_ATTACK1,
+		SCHED_MELEE_ATTACK2,
+		SCHED_RANGE_ATTACK1,
+		SCHED_RANGE_ATTACK2,
+		SCHED_SPECIAL_ATTACK1,
+		SCHED_SPECIAL_ATTACK2,
+		SCHED_STANDOFF,
+		SCHED_ARM_WEAPON,
+		SCHED_RELOAD,
+		SCHED_GUARD,
+		SCHED_AMBUSH,
+		SCHED_DIE,
+		SCHED_WAIT_TRIGGER,
+		SCHED_FOLLOW,
+		SCHED_SLEEP,
+		SCHED_WAKE,
+		SCHED_BARNACLE_VICTIM_GRAB,
+		SCHED_BARNACLE_VICTIM_CHOMP,
+		SCHED_AISCRIPT,
+		SCHED_FAIL,
+
+		LAST_COMMON_SCHEDULE			// Leave this at the bottom
+} SCHEDULE_TYPE;
+
+//=========================================================
+// These are the shared tasks
+//=========================================================
+typedef enum 
+{
+		TASK_INVALID = 0,
+		TASK_WAIT,
+		TASK_WAIT_FACE_ENEMY,
+		TASK_WAIT_PVS,
+		TASK_SUGGEST_STATE,
+		TASK_WALK_TO_TARGET,
+		TASK_RUN_TO_TARGET,
+		TASK_MOVE_TO_TARGET_RANGE,
+		TASK_GET_PATH_TO_ENEMY,
+		TASK_GET_PATH_TO_ENEMY_LKP,
+		TASK_GET_PATH_TO_ENEMY_CORPSE,
+		TASK_GET_PATH_TO_LEADER,
+		TASK_GET_PATH_TO_SPOT,
+		TASK_GET_PATH_TO_TARGET,
+		TASK_GET_PATH_TO_HINTNODE,
+		TASK_GET_PATH_TO_LASTPOSITION,
+		TASK_GET_PATH_TO_BESTSOUND,
+		TASK_GET_PATH_TO_BESTSCENT,
+		TASK_RUN_PATH,	
+		TASK_WALK_PATH,	
+		TASK_STRAFE_PATH,
+		TASK_CLEAR_MOVE_WAIT,
+		TASK_STORE_LASTPOSITION,
+		TASK_CLEAR_LASTPOSITION,
+		TASK_PLAY_ACTIVE_IDLE,
+		TASK_FIND_HINTNODE,
+		TASK_CLEAR_HINTNODE,
+		TASK_SMALL_FLINCH,
+		TASK_FACE_IDEAL,
+		TASK_FACE_ROUTE,
+		TASK_FACE_ENEMY,
+		TASK_FACE_HINTNODE,
+		TASK_FACE_TARGET,
+		TASK_FACE_LASTPOSITION,
+		TASK_RANGE_ATTACK1,
+		TASK_RANGE_ATTACK2,		
+		TASK_MELEE_ATTACK1,		
+		TASK_MELEE_ATTACK2,		
+		TASK_RELOAD,
+		TASK_RANGE_ATTACK1_NOTURN,
+		TASK_RANGE_ATTACK2_NOTURN,		
+		TASK_MELEE_ATTACK1_NOTURN,		
+		TASK_MELEE_ATTACK2_NOTURN,		
+		TASK_RELOAD_NOTURN,
+		TASK_SPECIAL_ATTACK1,
+		TASK_SPECIAL_ATTACK2,
+		TASK_CROUCH,
+		TASK_STAND,
+		TASK_GUARD,
+		TASK_STEP_LEFT,
+		TASK_STEP_RIGHT,
+		TASK_STEP_FORWARD,
+		TASK_STEP_BACK,
+		TASK_DODGE_LEFT,
+		TASK_DODGE_RIGHT,
+		TASK_SOUND_ANGRY,
+		TASK_SOUND_DEATH,
+		TASK_SET_ACTIVITY,
+		TASK_SET_SCHEDULE,
+		TASK_SET_FAIL_SCHEDULE,
+		TASK_CLEAR_FAIL_SCHEDULE,
+		TASK_PLAY_SEQUENCE,
+		TASK_PLAY_SEQUENCE_FACE_ENEMY,
+		TASK_PLAY_SEQUENCE_FACE_TARGET,
+		TASK_SOUND_IDLE,
+		TASK_SOUND_WAKE,
+		TASK_SOUND_PAIN,
+		TASK_SOUND_DIE,
+		TASK_FIND_COVER_FROM_BEST_SOUND,// tries lateral cover first, then node cover
+		TASK_FIND_COVER_FROM_ENEMY,// tries lateral cover first, then node cover
+		TASK_FIND_LATERAL_COVER_FROM_ENEMY,
+		TASK_FIND_NODE_COVER_FROM_ENEMY,
+		TASK_FIND_NEAR_NODE_COVER_FROM_ENEMY,// data for this one is the MAXIMUM acceptable distance to the cover.
+		TASK_FIND_FAR_NODE_COVER_FROM_ENEMY,// data for this one is there MINIMUM aceptable distance to the cover.
+		TASK_FIND_COVER_FROM_ORIGIN,
+		TASK_EAT,
+		TASK_DIE,
+		TASK_WAIT_FOR_SCRIPT,
+		TASK_PLAY_SCRIPT,
+		TASK_ENABLE_SCRIPT,
+		TASK_PLANT_ON_SCRIPT,
+		TASK_FACE_SCRIPT,
+		TASK_WAIT_RANDOM,
+		TASK_WAIT_INDEFINITE,
+		TASK_STOP_MOVING,
+		TASK_TURN_LEFT,
+		TASK_TURN_RIGHT,
+		TASK_REMEMBER,
+		TASK_FORGET,
+		TASK_WAIT_FOR_MOVEMENT,			// wait until MovementIsComplete()
+		LAST_COMMON_TASK, // LEAVE THIS AT THE BOTTOM!! (sjb)
+} SHARED_TASKS;
+
+
+// These go in the flData member of the TASK_WALK_TO_TARGET, TASK_RUN_TO_TARGET
+enum 
+{
+	TARGET_MOVE_NORMAL = 0,
+	TARGET_MOVE_SCRIPTED = 1,
+};
+
+
+// A goal should be used for a task that requires several schedules to complete.  
+// The goal index should indicate which schedule (ordinally) the monster is running.  
+// That way, when tasks fail, the AI can make decisions based on the context of the 
+// current goal and sequence rather than just the current schedule.
+enum
+{
+	GOAL_ATTACK_ENEMY,
+	GOAL_MOVE,
+	GOAL_TAKE_COVER,
+	GOAL_MOVE_TARGET,
+	GOAL_EAT,
+};
+
+// an array of tasks is a task list
+// an array of schedules is a schedule list
+struct Task_t
+{
+
+	int		iTask;
+	float	flData;
+};
+
+struct Schedule_t
+{
+
+	Task_t	*pTasklist;
+	int		cTasks;	 
+	int		iInterruptMask;// a bit mask of conditions that can interrupt this schedule 
+	
+	// a more specific mask that indicates which TYPES of sounds will interrupt the schedule in the 
+	// event that the schedule is broken by COND_HEAR_SOUND
+	int		iSoundMask;
+	const	char *pName;
+};
+
+// an array of waypoints makes up the monster's route. 
+// !!!LATER- this declaration doesn't belong in this file.
+struct WayPoint_t
+{
+	Vector	vecLocation;
+	int		iType;
+};
+
+// these MoveFlag values are assigned to a WayPoint's TYPE in order to demonstrate the 
+// type of movement the monster should use to get there.
+#define bits_MF_TO_TARGETENT		( 1 << 0 ) // local move to targetent.
+#define bits_MF_TO_ENEMY			( 1 << 1 ) // local move to enemy
+#define bits_MF_TO_COVER			( 1 << 2 ) // local move to a hiding place
+#define bits_MF_TO_DETOUR			( 1 << 3 ) // local move to detour point.
+#define bits_MF_TO_PATHCORNER		( 1 << 4 ) // local move to a path corner
+#define bits_MF_TO_NODE				( 1 << 5 ) // local move to a node
+#define bits_MF_TO_LOCATION			( 1 << 6 ) // local move to an arbitrary point
+#define bits_MF_IS_GOAL				( 1 << 7 ) // this waypoint is the goal of the whole move.
+#define bits_MF_DONT_SIMPLIFY		( 1 << 8 ) // Don't let the route code simplify this waypoint
+
+// If you define any flags that aren't _TO_ flags, add them here so we can mask
+// them off when doing compares.
+#define bits_MF_NOT_TO_MASK (bits_MF_IS_GOAL | bits_MF_DONT_SIMPLIFY)
+
+#define MOVEGOAL_NONE				(0)
+#define MOVEGOAL_TARGETENT			(bits_MF_TO_TARGETENT)
+#define MOVEGOAL_ENEMY				(bits_MF_TO_ENEMY)
+#define MOVEGOAL_PATHCORNER			(bits_MF_TO_PATHCORNER)
+#define MOVEGOAL_LOCATION			(bits_MF_TO_LOCATION)
+#define MOVEGOAL_NODE				(bits_MF_TO_NODE)
+
+// these bits represent conditions that may befall the monster, of which some are allowed 
+// to interrupt certain schedules. 
+#define bits_COND_NO_AMMO_LOADED		( 1 << 0 ) // weapon needs to be reloaded!
+#define	bits_COND_SEE_HATE				( 1 << 1 ) // see something that you hate
+#define bits_COND_SEE_FEAR				( 1 << 2 ) // see something that you are afraid of
+#define bits_COND_SEE_DISLIKE			( 1 << 3 ) // see something that you dislike
+#define bits_COND_SEE_ENEMY				( 1 << 4 ) // target entity is in full view.
+#define bits_COND_ENEMY_OCCLUDED		( 1 << 5 ) // target entity occluded by the world
+#define bits_COND_SMELL_FOOD			( 1 << 6 )
+#define bits_COND_ENEMY_TOOFAR			( 1 << 7 )
+#define bits_COND_LIGHT_DAMAGE			( 1 << 8 ) // hurt a little 
+#define bits_COND_HEAVY_DAMAGE			( 1 << 9 ) // hurt a lot
+#define bits_COND_CAN_RANGE_ATTACK1		( 1 << 10)
+#define bits_COND_CAN_MELEE_ATTACK1		( 1 << 11)
+#define bits_COND_CAN_RANGE_ATTACK2		( 1 << 12)
+#define bits_COND_CAN_MELEE_ATTACK2		( 1 << 13)
+// #define bits_COND_CAN_RANGE_ATTACK3		( 1 << 14)
+#define bits_COND_PROVOKED				( 1 << 15)
+#define bits_COND_NEW_ENEMY				( 1 << 16)
+#define bits_COND_HEAR_SOUND			( 1 << 17) // there is an interesting sound
+#define bits_COND_SMELL					( 1 << 18) // there is an interesting scent
+#define bits_COND_ENEMY_FACING_ME		( 1 << 19) // enemy is facing me
+#define bits_COND_ENEMY_DEAD			( 1 << 20) // enemy was killed. If you get this in combat, try to find another enemy. If you get it in alert, victory dance.
+#define bits_COND_SEE_CLIENT			( 1 << 21) // see a client
+#define bits_COND_SEE_NEMESIS			( 1 << 22) // see my nemesis
+
+#define bits_COND_SPECIAL1				( 1 << 28) // Defined by individual monster
+#define bits_COND_SPECIAL2				( 1 << 29) // Defined by individual monster
+
+#define bits_COND_TASK_FAILED			( 1 << 30)
+#define bits_COND_SCHEDULE_DONE			( 1 << 31)
+
+
+#define bits_COND_ALL_SPECIAL			(bits_COND_SPECIAL1 | bits_COND_SPECIAL2)
+
+#define bits_COND_CAN_ATTACK			(bits_COND_CAN_RANGE_ATTACK1 | bits_COND_CAN_MELEE_ATTACK1 | bits_COND_CAN_RANGE_ATTACK2 | bits_COND_CAN_MELEE_ATTACK2)
+
+#endif	// SCHEDULE_H

dlls/scriptevent.h

@@ -0,0 +1,29 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef SCRIPTEVENT_H
+#define SCRIPTEVENT_H
+
+#define SCRIPT_EVENT_DEAD			1000		// character is now dead
+#define SCRIPT_EVENT_NOINTERRUPT	1001		// does not allow interrupt
+#define SCRIPT_EVENT_CANINTERRUPT	1002		// will allow interrupt
+#define SCRIPT_EVENT_FIREEVENT		1003		// event now fires
+#define SCRIPT_EVENT_SOUND			1004		// Play named wave file (on CHAN_BODY)
+#define SCRIPT_EVENT_SENTENCE		1005		// Play named sentence
+#define SCRIPT_EVENT_INAIR			1006		// Leave the character in air at the end of the sequence (don't find the floor)
+#define SCRIPT_EVENT_ENDANIMATION	1007		// Set the animation by name after the sequence completes
+#define SCRIPT_EVENT_SOUND_VOICE	1008		// Play named wave file (on CHAN_VOICE)
+#define	SCRIPT_EVENT_SENTENCE_RND1	1009		// Play sentence group 25% of the time
+#define SCRIPT_EVENT_NOT_DEAD		1010		// Bring back to life (for life/death sequences)
+#endif   //SCRIPTEVENT_H

dlls/skill.h

@@ -0,0 +1,147 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+//=========================================================
+// skill.h - skill level concerns
+//=========================================================
+
+struct skilldata_t
+{
+
+	int iSkillLevel; // game skill level
+
+// Monster Health & Damage
+	float	agruntHealth;
+	float agruntDmgPunch;
+
+	float apacheHealth;
+	
+	float barneyHealth;
+
+	float bigmommaHealthFactor;		// Multiply each node's health by this
+	float bigmommaDmgSlash;			// melee attack damage
+	float bigmommaDmgBlast;			// mortar attack damage
+	float bigmommaRadiusBlast;		// mortar attack radius
+
+	float bullsquidHealth;
+	float bullsquidDmgBite;
+	float bullsquidDmgWhip;
+	float bullsquidDmgSpit;
+
+	float gargantuaHealth;
+	float gargantuaDmgSlash;
+	float gargantuaDmgFire;
+	float gargantuaDmgStomp;
+
+	float hassassinHealth;
+
+	float headcrabHealth;
+	float headcrabDmgBite;
+
+	float hgruntHealth;
+	float hgruntDmgKick;
+	float hgruntShotgunPellets;
+	float hgruntGrenadeSpeed;
+
+	float houndeyeHealth;
+	float houndeyeDmgBlast;
+
+	float slaveHealth;
+	float slaveDmgClaw;
+	float slaveDmgClawrake;
+	float slaveDmgZap;
+
+	float ichthyosaurHealth;
+	float ichthyosaurDmgShake;
+
+	float leechHealth;
+	float leechDmgBite;
+
+	float controllerHealth;
+	float controllerDmgZap;
+	float controllerSpeedBall;
+	float controllerDmgBall;
+
+	float nihilanthHealth;
+	float nihilanthZap;
+
+	float scientistHealth;
+
+	float snarkHealth;
+	float snarkDmgBite;
+	float snarkDmgPop;
+
+	float zombieHealth;
+	float zombieDmgOneSlash;
+	float zombieDmgBothSlash;
+
+	float turretHealth;
+	float miniturretHealth;
+	float sentryHealth;
+
+
+// Player Weapons
+	float plrDmgCrowbar;
+	float plrDmg9MM;
+	float plrDmg357;
+	float plrDmgMP5;
+	float plrDmgM203Grenade;
+	float plrDmgBuckshot;
+	float plrDmgCrossbowClient;
+	float plrDmgCrossbowMonster;
+	float plrDmgRPG;
+	float plrDmgGauss;
+	float plrDmgEgonNarrow;
+	float plrDmgEgonWide;
+	float plrDmgHornet;
+	float plrDmgHandGrenade;
+	float plrDmgSatchel;
+	float plrDmgTripmine;
+	
+// weapons shared by monsters
+	float monDmg9MM;
+	float monDmgMP5;
+	float monDmg12MM;
+	float monDmgHornet;
+
+// health/suit charge
+	float suitchargerCapacity;
+	float batteryCapacity;
+	float healthchargerCapacity;
+	float healthkitCapacity;
+	float scientistHeal;
+
+// monster damage adj
+	float monHead;
+	float monChest;
+	float monStomach;
+	float monLeg;
+	float monArm;
+
+// player damage adj
+	float plrHead;
+	float plrChest;
+	float plrStomach;
+	float plrLeg;
+	float plrArm;
+};
+
+extern	DLL_GLOBAL	skilldata_t	gSkillData;
+float GetSkillCvar( char *pName );
+
+extern DLL_GLOBAL int		g_iSkillLevel;
+
+#define SKILL_EASY		1
+#define SKILL_MEDIUM	2
+#define SKILL_HARD		3

dlls/soundent.h

@@ -0,0 +1,95 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+//=========================================================
+// Soundent.h - the entity that spawns when the world 
+// spawns, and handles the world's active and free sound
+// lists.
+//=========================================================
+
+#define	MAX_WORLD_SOUNDS	64 // maximum number of sounds handled by the world at one time.
+
+#define bits_SOUND_NONE		0
+#define	bits_SOUND_COMBAT	( 1 << 0 )// gunshots, explosions
+#define bits_SOUND_WORLD	( 1 << 1 )// door opening/closing, glass breaking
+#define bits_SOUND_PLAYER	( 1 << 2 )// all noises generated by player. walking, shooting, falling, splashing
+#define bits_SOUND_CARCASS	( 1 << 3 )// dead body
+#define bits_SOUND_MEAT		( 1 << 4 )// gib or pork chop
+#define bits_SOUND_DANGER	( 1 << 5 )// pending danger. Grenade that is about to explode, explosive barrel that is damaged, falling crate
+#define bits_SOUND_GARBAGE	( 1 << 6 )// trash cans, banana peels, old fast food bags.
+
+#define bits_ALL_SOUNDS 0xFFFFFFFF
+
+#define SOUNDLIST_EMPTY	-1
+
+#define SOUNDLISTTYPE_FREE	1// identifiers passed to functions that can operate on either list, to indicate which list to operate on.
+#define SOUNDLISTTYPE_ACTIVE 2
+
+#define	SOUND_NEVER_EXPIRE	-1 // with this set as a sound's ExpireTime, the sound will never expire.
+
+//=========================================================
+// CSound - an instance of a sound in the world.
+//=========================================================
+class CSound
+{
+public:
+
+	void	Clear ( void );
+	void	Reset ( void );
+
+	Vector	m_vecOrigin;	// sound's location in space
+	int		m_iType;		// what type of sound this is
+	int		m_iVolume;		// how loud the sound is
+	float	m_flExpireTime;	// when the sound should be purged from the list
+	int		m_iNext;		// index of next sound in this list ( Active or Free )
+	int		m_iNextAudible;	// temporary link that monsters use to build a list of audible sounds
+
+	BOOL	FIsSound( void );
+	BOOL	FIsScent( void );
+};
+
+//=========================================================
+// CSoundEnt - a single instance of this entity spawns when
+// the world spawns. The SoundEnt's job is to update the 
+// world's Free and Active sound lists.
+//=========================================================
+class CSoundEnt : public CBaseEntity 
+{
+public:
+
+	void Precache ( void );
+	void Spawn( void );
+	void Think( void );
+	void Initialize ( void );
+	
+	static void		InsertSound ( int iType, const Vector &vecOrigin, int iVolume, float flDuration );
+	static void		FreeSound ( int iSound, int iPrevious );
+	static int		ActiveList( void );// return the head of the active list
+	static int		FreeList( void );// return the head of the free list
+	static CSound*	SoundPointerForIndex( int iIndex );// return a pointer for this index in the sound list
+	static int		ClientSoundIndex ( edict_t *pClient );
+
+	BOOL	IsEmpty( void ) { return m_iActiveSound == SOUNDLIST_EMPTY; }
+	int		ISoundsInList ( int iListType );
+	int		IAllocSound ( void );
+	virtual int		ObjectCaps( void ) { return FCAP_DONT_SAVE; }
+	
+	int		m_iFreeSound;	// index of the first sound in the free sound list
+	int		m_iActiveSound; // indes of the first sound in the active sound list
+	int		m_cLastActiveSounds; // keeps track of the number of active sounds at the last update. (for diagnostic work)
+	BOOL	m_fShowReport; // if true, dump information about free/active sounds.
+
+private:
+	CSound		m_SoundPool[ MAX_WORLD_SOUNDS ];
+};

dlls/spectator.h

@@ -0,0 +1,27 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+// Spectator.h
+
+class CBaseSpectator : public CBaseEntity 
+{
+public:
+	void Spawn();
+	void SpectatorConnect(void);
+	void SpectatorDisconnect(void);
+	void SpectatorThink(void);
+
+private:
+	void SpectatorImpulseCommand(void);
+};

dlls/talkmonster.h

@@ -0,0 +1,26 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+
+#ifndef TALKMONSTER_H
+#define TALKMONSTER_H
+
+class CTalkMonster : public CBaseMonster
+{
+public:
+	static float g_talkWaitTime;
+
+};
+
+#endif		//TALKMONSTER_H

dlls/teamplay_gamerules.h

@@ -0,0 +1,57 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+//
+// teamplay_gamerules.h
+//
+
+#define MAX_TEAMNAME_LENGTH	16
+#define MAX_TEAMS			32
+
+#define TEAMPLAY_TEAMLISTLENGTH		MAX_TEAMS*MAX_TEAMNAME_LENGTH
+
+class CHalfLifeTeamplay : public CHalfLifeMultiplay
+{
+public:
+	CHalfLifeTeamplay();
+
+	virtual BOOL ClientCommand( CBasePlayer *pPlayer, const char *pcmd );
+	virtual void ClientUserInfoChanged( CBasePlayer *pPlayer, char *infobuffer );
+	virtual BOOL IsTeamplay( void );
+	virtual BOOL FPlayerCanTakeDamage( CBasePlayer *pPlayer, CBaseEntity *pAttacker );
+	virtual int PlayerRelationship( CBaseEntity *pPlayer, CBaseEntity *pTarget );
+	virtual const char *GetTeamID( CBaseEntity *pEntity );
+	virtual BOOL ShouldAutoAim( CBasePlayer *pPlayer, edict_t *target );
+	virtual int IPointsForKill( CBasePlayer *pAttacker, CBasePlayer *pKilled );
+	virtual void InitHUD( CBasePlayer *pl );
+	virtual void DeathNotice( CBasePlayer *pVictim, entvars_t *pKiller, entvars_t *pevInflictor );
+	virtual const char *GetGameDescription( void ) { return "HL Teamplay"; }  // this is the game name that gets seen in the server browser
+	virtual void UpdateGameMode( CBasePlayer *pPlayer );  // the client needs to be informed of the current game mode
+	virtual void PlayerKilled( CBasePlayer *pVictim, entvars_t *pKiller, entvars_t *pInflictor );
+	virtual void Think ( void );
+	virtual int GetTeamIndex( const char *pTeamName );
+	virtual const char *GetIndexedTeamName( int teamIndex );
+	virtual BOOL IsValidTeam( const char *pTeamName );
+	const char *SetDefaultPlayerTeam( CBasePlayer *pPlayer );
+	virtual void ChangePlayerTeam( CBasePlayer *pPlayer, const char *pTeamName, BOOL bKill, BOOL bGib );
+
+private:
+	void RecountTeams( bool bResendInfo = FALSE );
+	const char *TeamWithFewestPlayers( void );
+
+	BOOL m_DisableDeathMessages;
+	BOOL m_DisableDeathPenalty;
+	BOOL m_teamLimit;				// This means the server set only some teams as valid
+	char m_szTeamList[TEAMPLAY_TEAMLISTLENGTH];
+};

dlls/trains.h

@@ -0,0 +1,127 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef TRAINS_H
+#define TRAINS_H
+
+// Tracktrain spawn flags
+#define SF_TRACKTRAIN_NOPITCH		0x0001
+#define SF_TRACKTRAIN_NOCONTROL		0x0002
+#define SF_TRACKTRAIN_FORWARDONLY	0x0004
+#define SF_TRACKTRAIN_PASSABLE		0x0008
+
+// Spawnflag for CPathTrack
+#define SF_PATH_DISABLED		0x00000001
+#define SF_PATH_FIREONCE		0x00000002
+#define SF_PATH_ALTREVERSE		0x00000004
+#define SF_PATH_DISABLE_TRAIN	0x00000008
+#define SF_PATH_ALTERNATE		0x00008000
+
+// Spawnflags of CPathCorner
+#define SF_CORNER_WAITFORTRIG	0x001
+#define SF_CORNER_TELEPORT		0x002
+#define SF_CORNER_FIREONCE		0x004
+
+//#define PATH_SPARKLE_DEBUG		1	// This makes a particle effect around path_track entities for debugging
+class CPathTrack : public CPointEntity
+{
+public:
+	void		Spawn( void );
+	void		Activate( void );
+	void		KeyValue( KeyValueData* pkvd);
+	
+	void		SetPrevious( CPathTrack *pprevious );
+	void		Link( void );
+	void		Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
+
+	CPathTrack	*ValidPath( CPathTrack *ppath, int testFlag );		// Returns ppath if enabled, NULL otherwise
+	void		Project( CPathTrack *pstart, CPathTrack *pend, Vector *origin, float dist );
+
+	static CPathTrack *Instance( edict_t *pent );
+
+	CPathTrack	*LookAhead( Vector *origin, float dist, int move );
+	CPathTrack	*Nearest( Vector origin );
+
+	CPathTrack	*GetNext( void );
+	CPathTrack	*GetPrevious( void );
+
+	virtual int		Save( CSave &save );
+	virtual int		Restore( CRestore &restore );
+	
+	static	TYPEDESCRIPTION m_SaveData[];
+#if PATH_SPARKLE_DEBUG
+	void EXPORT Sparkle(void);
+#endif
+
+	float		m_length;
+	string_t	m_altName;
+	CPathTrack	*m_pnext;
+	CPathTrack	*m_pprevious;
+	CPathTrack	*m_paltpath;
+};
+
+
+class CFuncTrackTrain : public CBaseEntity
+{
+public:
+	void Spawn( void );
+	void Precache( void );
+
+	void Blocked( CBaseEntity *pOther );
+	void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
+	void KeyValue( KeyValueData* pkvd );
+
+	void EXPORT Next( void );
+	void EXPORT Find( void );
+	void EXPORT NearestPath( void );
+	void EXPORT DeadEnd( void );
+
+	void		NextThink( float thinkTime, BOOL alwaysThink );
+
+	void SetTrack( CPathTrack *track ) { m_ppath = track->Nearest(pev->origin); }
+	void SetControls( entvars_t *pevControls );
+	BOOL OnControls( entvars_t *pev );
+
+	void StopSound ( void );
+	void UpdateSound ( void );
+	
+	static CFuncTrackTrain *Instance( edict_t *pent );
+
+	virtual int		Save( CSave &save );
+	virtual int		Restore( CRestore &restore );
+	
+	static	TYPEDESCRIPTION m_SaveData[];
+	virtual int	ObjectCaps( void ) { return (CBaseEntity :: ObjectCaps() & ~FCAP_ACROSS_TRANSITION) | FCAP_DIRECTIONAL_USE; }
+
+	virtual void	OverrideReset( void );
+
+	CPathTrack	*m_ppath;
+	float		m_length;
+	float		m_height;
+	float		m_speed;
+	float		m_dir;
+	float		m_startSpeed;
+	Vector		m_controlMins;
+	Vector		m_controlMaxs;
+	int			m_soundPlaying;
+	int			m_sounds;
+	float		m_flVolume;
+	float		m_flBank;
+	float		m_oldSpeed;
+
+private:
+	unsigned short m_usAdjustPitch;
+};
+
+#endif

dlls/util.h

@@ -0,0 +1,547 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#include "archtypes.h"     // DAL
+
+//
+// Misc utility code
+//
+#ifndef ACTIVITY_H
+#include "activity.h"
+#endif
+
+#ifndef ENGINECALLBACK_H
+#include "enginecallback.h"
+#endif
+inline void MESSAGE_BEGIN( int msg_dest, int msg_type, const float *pOrigin, entvars_t *ent );  // implementation later in this file
+
+extern globalvars_t				*gpGlobals;
+
+// Use this instead of ALLOC_STRING on constant strings
+#define STRING(offset)		((const char *)(gpGlobals->pStringBase + (unsigned int)(offset)))
+#define MAKE_STRING(str)	((uint64)(str) - (uint64)(STRING(0)))
+
+inline edict_t *FIND_ENTITY_BY_CLASSNAME(edict_t *entStart, const char *pszName) 
+{
+	return FIND_ENTITY_BY_STRING(entStart, "classname", pszName);
+}	
+
+inline edict_t *FIND_ENTITY_BY_TARGETNAME(edict_t *entStart, const char *pszName) 
+{
+	return FIND_ENTITY_BY_STRING(entStart, "targetname", pszName);
+}	
+
+// for doing a reverse lookup. Say you have a door, and want to find its button.
+inline edict_t *FIND_ENTITY_BY_TARGET(edict_t *entStart, const char *pszName) 
+{
+	return FIND_ENTITY_BY_STRING(entStart, "target", pszName);
+}	
+
+// Keeps clutter down a bit, when writing key-value pairs
+#define WRITEKEY_INT(pf, szKeyName, iKeyValue) ENGINE_FPRINTF(pf, "\"%s\" \"%d\"\n", szKeyName, iKeyValue)
+#define WRITEKEY_FLOAT(pf, szKeyName, flKeyValue)								\
+		ENGINE_FPRINTF(pf, "\"%s\" \"%f\"\n", szKeyName, flKeyValue)
+#define WRITEKEY_STRING(pf, szKeyName, szKeyValue)								\
+		ENGINE_FPRINTF(pf, "\"%s\" \"%s\"\n", szKeyName, szKeyValue)
+#define WRITEKEY_VECTOR(pf, szKeyName, flX, flY, flZ)							\
+		ENGINE_FPRINTF(pf, "\"%s\" \"%f %f %f\"\n", szKeyName, flX, flY, flZ)
+
+// Keeps clutter down a bit, when using a float as a bit-vector
+#define SetBits(flBitVector, bits)		((flBitVector) = (int)(flBitVector) | (bits))
+#define ClearBits(flBitVector, bits)	((flBitVector) = (int)(flBitVector) & ~(bits))
+#define FBitSet(flBitVector, bit)		((int)(flBitVector) & (bit))
+
+// Makes these more explicit, and easier to find
+#define FILE_GLOBAL static
+#define DLL_GLOBAL
+
+// Until we figure out why "const" gives the compiler problems, we'll just have to use
+// this bogus "empty" define to mark things as constant.
+#define CONSTANT
+
+// More explicit than "int"
+typedef int EOFFSET;
+
+// In case it's not alread defined
+typedef int BOOL;
+
+// In case this ever changes
+#define M_PI			3.14159265358979323846
+
+// Keeps clutter down a bit, when declaring external entity/global method prototypes
+#define DECLARE_GLOBAL_METHOD(MethodName)  extern void UTIL_DLLEXPORT MethodName( void )
+#define GLOBAL_METHOD(funcname)					void UTIL_DLLEXPORT funcname(void)
+
+#ifndef UTIL_DLLEXPORT
+#ifdef _WIN32
+#define UTIL_DLLEXPORT _declspec( dllexport )
+#else
+#define UTIL_DLLEXPORT __attribute__ ((visibility("default")))
+#endif
+#endif
+
+// This is the glue that hooks .MAP entity class names to our CPP classes
+// The _declspec forces them to be exported by name so we can do a lookup with GetProcAddress()
+// The function is used to intialize / allocate the object for the entity
+#define LINK_ENTITY_TO_CLASS(mapClassName,DLLClassName) \
+	extern "C" UTIL_DLLEXPORT void mapClassName( entvars_t *pev ); \
+	void mapClassName( entvars_t *pev ) { GetClassPtr( (DLLClassName *)pev ); }
+
+
+//
+// Conversion among the three types of "entity", including identity-conversions.
+//
+#ifdef DEBUG
+	extern edict_t *DBG_EntOfVars(const entvars_t *pev);
+	inline edict_t *ENT(const entvars_t *pev)	{ return DBG_EntOfVars(pev); }
+#else
+	inline edict_t *ENT(const entvars_t *pev)	{ return pev->pContainingEntity; }
+#endif
+inline edict_t *ENT(edict_t *pent)		{ return pent; }
+inline edict_t *ENT(EOFFSET eoffset)			{ return (*g_engfuncs.pfnPEntityOfEntOffset)(eoffset); }
+inline EOFFSET OFFSET(EOFFSET eoffset)			{ return eoffset; }
+inline EOFFSET OFFSET(const edict_t *pent)	
+{ 
+#if _DEBUG
+	if ( !pent )
+		ALERT( at_error, "Bad ent in OFFSET()\n" );
+#endif
+	return (*g_engfuncs.pfnEntOffsetOfPEntity)(pent); 
+}
+inline EOFFSET OFFSET(entvars_t *pev)				
+{ 
+#if _DEBUG
+	if ( !pev )
+		ALERT( at_error, "Bad pev in OFFSET()\n" );
+#endif
+	return OFFSET(ENT(pev)); 
+}
+inline entvars_t *VARS(entvars_t *pev)					{ return pev; }
+
+inline entvars_t *VARS(edict_t *pent)			
+{ 
+	if ( !pent )
+		return NULL;
+
+	return &pent->v; 
+}
+
+inline entvars_t* VARS(EOFFSET eoffset)				{ return VARS(ENT(eoffset)); }
+inline int	  ENTINDEX(edict_t *pEdict)			{ return (*g_engfuncs.pfnIndexOfEdict)(pEdict); }
+inline edict_t* INDEXENT( int iEdictNum )		{ return (*g_engfuncs.pfnPEntityOfEntIndex)(iEdictNum); }
+inline void MESSAGE_BEGIN( int msg_dest, int msg_type, const float *pOrigin, entvars_t *ent ) {
+	(*g_engfuncs.pfnMessageBegin)(msg_dest, msg_type, pOrigin, ENT(ent));
+}
+
+// Testing the three types of "entity" for nullity
+#define eoNullEntity 0
+inline BOOL FNullEnt(EOFFSET eoffset)			{ return eoffset == 0; }
+inline BOOL FNullEnt(const edict_t* pent)	{ return pent == NULL || FNullEnt(OFFSET(pent)); }
+inline BOOL FNullEnt(entvars_t* pev)				{ return pev == NULL || FNullEnt(OFFSET(pev)); }
+
+// Testing strings for nullity
+#define iStringNull 0
+inline BOOL FStringNull(int iString)			{ return iString == iStringNull; }
+
+#define cchMapNameMost 32
+
+// Dot products for view cone checking
+#define VIEW_FIELD_FULL		(float)-1.0 // +-180 degrees
+#define	VIEW_FIELD_WIDE		(float)-0.7 // +-135 degrees 0.1 // +-85 degrees, used for full FOV checks 
+#define	VIEW_FIELD_NARROW	(float)0.7 // +-45 degrees, more narrow check used to set up ranged attacks
+#define	VIEW_FIELD_ULTRA_NARROW	(float)0.9 // +-25 degrees, more narrow check used to set up ranged attacks
+
+// All monsters need this data
+#define		DONT_BLEED			-1
+#define		BLOOD_COLOR_RED		(BYTE)247
+#define		BLOOD_COLOR_YELLOW	(BYTE)195
+#define		BLOOD_COLOR_GREEN	BLOOD_COLOR_YELLOW
+
+typedef enum 
+{
+
+	MONSTERSTATE_NONE = 0,
+	MONSTERSTATE_IDLE,
+	MONSTERSTATE_COMBAT,
+	MONSTERSTATE_ALERT,
+	MONSTERSTATE_HUNT,
+	MONSTERSTATE_PRONE,
+	MONSTERSTATE_SCRIPT,
+	MONSTERSTATE_PLAYDEAD,
+	MONSTERSTATE_DEAD
+
+} MONSTERSTATE;
+
+
+
+// Things that toggle (buttons/triggers/doors) need this
+typedef enum
+	{
+	TS_AT_TOP,
+	TS_AT_BOTTOM,
+	TS_GOING_UP,
+	TS_GOING_DOWN
+	} TOGGLE_STATE;
+
+// Misc useful
+inline BOOL FStrEq(const char*sz1, const char*sz2)
+	{ return (strcmp(sz1, sz2) == 0); }
+inline BOOL FClassnameIs(edict_t* pent, const char* szClassname)
+	{ return FStrEq(STRING(VARS(pent)->classname), szClassname); }
+inline BOOL FClassnameIs(entvars_t* pev, const char* szClassname)
+	{ return FStrEq(STRING(pev->classname), szClassname); }
+
+class CBaseEntity;
+
+// Misc. Prototypes
+extern void			UTIL_SetSize			(entvars_t* pev, const Vector &vecMin, const Vector &vecMax);
+extern float		UTIL_VecToYaw			(const Vector &vec);
+extern Vector		UTIL_VecToAngles		(const Vector &vec);
+extern float		UTIL_AngleMod			(float a);
+extern float		UTIL_AngleDiff			( float destAngle, float srcAngle );
+
+extern CBaseEntity	*UTIL_FindEntityInSphere(CBaseEntity *pStartEntity, const Vector &vecCenter, float flRadius);
+extern CBaseEntity	*UTIL_FindEntityByString(CBaseEntity *pStartEntity, const char *szKeyword, const char *szValue );
+extern CBaseEntity	*UTIL_FindEntityByClassname(CBaseEntity *pStartEntity, const char *szName );
+extern CBaseEntity	*UTIL_FindEntityByTargetname(CBaseEntity *pStartEntity, const char *szName );
+extern CBaseEntity	*UTIL_FindEntityGeneric(const char *szName, Vector &vecSrc, float flRadius );
+
+// returns a CBaseEntity pointer to a player by index.  Only returns if the player is spawned and connected
+// otherwise returns NULL
+// Index is 1 based
+extern CBaseEntity	*UTIL_PlayerByIndex( int playerIndex );
+
+#define UTIL_EntitiesInPVS(pent)			(*g_engfuncs.pfnEntitiesInPVS)(pent)
+extern void			UTIL_MakeVectors		(const Vector &vecAngles);
+
+// Pass in an array of pointers and an array size, it fills the array and returns the number inserted
+extern int			UTIL_MonstersInSphere( CBaseEntity **pList, int listMax, const Vector &center, float radius );
+extern int			UTIL_EntitiesInBox( CBaseEntity **pList, int listMax, const Vector &mins, const Vector &maxs, int flagMask );
+
+inline void UTIL_MakeVectorsPrivate( const Vector &vecAngles, float *p_vForward, float *p_vRight, float *p_vUp )
+{
+	g_engfuncs.pfnAngleVectors( vecAngles, p_vForward, p_vRight, p_vUp );
+}
+
+extern void			UTIL_MakeAimVectors		( const Vector &vecAngles ); // like MakeVectors, but assumes pitch isn't inverted
+extern void			UTIL_MakeInvVectors		( const Vector &vec, globalvars_t *pgv );
+
+extern void			UTIL_SetOrigin			( entvars_t* pev, const Vector &vecOrigin );
+extern void			UTIL_EmitAmbientSound	( edict_t *entity, const Vector &vecOrigin, const char *samp, float vol, float attenuation, int fFlags, int pitch );
+extern void			UTIL_ParticleEffect		( const Vector &vecOrigin, const Vector &vecDirection, ULONG ulColor, ULONG ulCount );
+extern void			UTIL_ScreenShake		( const Vector &center, float amplitude, float frequency, float duration, float radius );
+extern void			UTIL_ScreenShakeAll		( const Vector &center, float amplitude, float frequency, float duration );
+extern void			UTIL_ShowMessage		( const char *pString, CBaseEntity *pPlayer );
+extern void			UTIL_ShowMessageAll		( const char *pString );
+extern void			UTIL_ScreenFadeAll		( const Vector &color, float fadeTime, float holdTime, int alpha, int flags );
+extern void			UTIL_ScreenFade			( CBaseEntity *pEntity, const Vector &color, float fadeTime, float fadeHold, int alpha, int flags );
+
+typedef enum { ignore_monsters=1, dont_ignore_monsters=0, missile=2 } IGNORE_MONSTERS;
+typedef enum { ignore_glass=1, dont_ignore_glass=0 } IGNORE_GLASS;
+extern void			UTIL_TraceLine			(const Vector &vecStart, const Vector &vecEnd, IGNORE_MONSTERS igmon, edict_t *pentIgnore, TraceResult *ptr);
+extern void			UTIL_TraceLine			(const Vector &vecStart, const Vector &vecEnd, IGNORE_MONSTERS igmon, IGNORE_GLASS ignoreGlass, edict_t *pentIgnore, TraceResult *ptr);
+typedef enum { point_hull=0, human_hull=1, large_hull=2, head_hull=3 } __HLSDK_HULL_TYPE;
+extern void			UTIL_TraceHull			(const Vector &vecStart, const Vector &vecEnd, IGNORE_MONSTERS igmon, int hullNumber, edict_t *pentIgnore, TraceResult *ptr);
+extern TraceResult	UTIL_GetGlobalTrace		(void);
+extern void			UTIL_TraceModel			(const Vector &vecStart, const Vector &vecEnd, int hullNumber, edict_t *pentModel, TraceResult *ptr);
+extern Vector		UTIL_GetAimVector		(edict_t* pent, float flSpeed);
+extern int			UTIL_PointContents		(const Vector &vec);
+
+extern int			UTIL_IsMasterTriggered	(string_t sMaster, CBaseEntity *pActivator);
+extern void			UTIL_BloodStream( const Vector &origin, const Vector &direction, int color, int amount );
+extern void			UTIL_BloodDrips( const Vector &origin, const Vector &direction, int color, int amount );
+extern Vector		UTIL_RandomBloodVector( void );
+extern BOOL			UTIL_ShouldShowBlood( int bloodColor );
+extern void			UTIL_BloodDecalTrace( TraceResult *pTrace, int bloodColor );
+extern void			UTIL_DecalTrace( TraceResult *pTrace, int decalNumber );
+extern void			UTIL_PlayerDecalTrace( TraceResult *pTrace, int playernum, int decalNumber, BOOL bIsCustom );
+extern void			UTIL_GunshotDecalTrace( TraceResult *pTrace, int decalNumber );
+extern void			UTIL_Sparks( const Vector &position );
+extern void			UTIL_Ricochet( const Vector &position, float scale );
+extern void			UTIL_StringToVector( float *pVector, const char *pString );
+extern void			UTIL_StringToIntArray( int *pVector, int count, const char *pString );
+extern Vector		UTIL_ClampVectorToBox( const Vector &input, const Vector &clampSize );
+extern float		UTIL_Approach( float target, float value, float speed );
+extern float		UTIL_ApproachAngle( float target, float value, float speed );
+extern float		UTIL_AngleDistance( float next, float cur );
+
+extern char			*UTIL_VarArgs( char *format, ... );
+extern void			UTIL_Remove( CBaseEntity *pEntity );
+extern BOOL			UTIL_IsValidEntity( edict_t *pent );
+extern BOOL			UTIL_TeamsMatch( const char *pTeamName1, const char *pTeamName2 );
+
+// Use for ease-in, ease-out style interpolation (accel/decel)
+extern float		UTIL_SplineFraction( float value, float scale );
+
+// Search for water transition along a vertical line
+extern float		UTIL_WaterLevel( const Vector &position, float minz, float maxz );
+extern void			UTIL_Bubbles( Vector mins, Vector maxs, int count );
+extern void			UTIL_BubbleTrail( Vector from, Vector to, int count );
+
+// allows precacheing of other entities
+extern void			UTIL_PrecacheOther( const char *szClassname );
+
+// prints a message to each client
+extern void			UTIL_ClientPrintAll( int msg_dest, const char *msg_name, const char *param1 = NULL, const char *param2 = NULL, const char *param3 = NULL, const char *param4 = NULL );
+inline void			UTIL_CenterPrintAll( const char *msg_name, const char *param1 = NULL, const char *param2 = NULL, const char *param3 = NULL, const char *param4 = NULL ) 
+{
+	UTIL_ClientPrintAll( HUD_PRINTCENTER, msg_name, param1, param2, param3, param4 );
+}
+
+class CBasePlayerItem;
+class CBasePlayer;
+extern BOOL UTIL_GetNextBestWeapon( CBasePlayer *pPlayer, CBasePlayerItem *pCurrentWeapon );
+
+// prints messages through the HUD
+extern void ClientPrint( entvars_t *client, int msg_dest, const char *msg_name, const char *param1 = NULL, const char *param2 = NULL, const char *param3 = NULL, const char *param4 = NULL );
+
+// prints a message to the HUD say (chat)
+extern void			UTIL_SayText( const char *pText, CBaseEntity *pEntity );
+extern void			UTIL_SayTextAll( const char *pText, CBaseEntity *pEntity );
+
+
+typedef struct hudtextparms_s
+{
+	float		x;
+	float		y;
+	int			effect;
+	byte		r1, g1, b1, a1;
+	byte		r2, g2, b2, a2;
+	float		fadeinTime;
+	float		fadeoutTime;
+	float		holdTime;
+	float		fxTime;
+	int			channel;
+} hudtextparms_t;
+
+// prints as transparent 'title' to the HUD
+extern void			UTIL_HudMessageAll( const hudtextparms_t &textparms, const char *pMessage );
+extern void			UTIL_HudMessage( CBaseEntity *pEntity, const hudtextparms_t &textparms, const char *pMessage );
+
+// for handy use with ClientPrint params
+extern char *UTIL_dtos1( int d );
+extern char *UTIL_dtos2( int d );
+extern char *UTIL_dtos3( int d );
+extern char *UTIL_dtos4( int d );
+
+// Writes message to console with timestamp and FragLog header.
+extern void			UTIL_LogPrintf( char *fmt, ... );
+extern void			UTIL_ServerPrintf( const char *fmt, ... );
+
+// Sorta like FInViewCone, but for nonmonsters. 
+extern float UTIL_DotPoints ( const Vector &vecSrc, const Vector &vecCheck, const Vector &vecDir );
+
+extern void UTIL_StripToken( const char *pKey, char *pDest );// for redundant keynames
+
+// Misc functions
+extern void SetMovedir(entvars_t* pev);
+extern Vector VecBModelOrigin( entvars_t* pevBModel );
+extern int BuildChangeList( LEVELLIST *pLevelList, int maxList );
+
+//
+// How did I ever live without ASSERT?
+//
+#ifdef	DEBUG
+void DBG_AssertFunction(BOOL fExpr, const char* szExpr, const char* szFile, int szLine, const char* szMessage);
+#define ASSERT(f)		DBG_AssertFunction(f, #f, __FILE__, __LINE__, NULL)
+#define ASSERTSZ(f, sz)	DBG_AssertFunction(f, #f, __FILE__, __LINE__, sz)
+#else	// !DEBUG
+#define ASSERT(f)
+#define ASSERTSZ(f, sz)
+#endif	// !DEBUG
+
+
+extern DLL_GLOBAL const Vector g_vecZero;
+
+//
+// Constants that were used only by QC (maybe not used at all now)
+//
+// Un-comment only as needed
+//
+#define LANGUAGE_ENGLISH				0
+#define LANGUAGE_GERMAN					1
+#define LANGUAGE_FRENCH					2
+#define LANGUAGE_BRITISH				3
+
+extern DLL_GLOBAL int			g_Language;
+
+#define AMBIENT_SOUND_STATIC			0	// medium radius attenuation
+#define AMBIENT_SOUND_EVERYWHERE		1
+#define AMBIENT_SOUND_SMALLRADIUS		2
+#define AMBIENT_SOUND_MEDIUMRADIUS		4
+#define AMBIENT_SOUND_LARGERADIUS		8
+#define AMBIENT_SOUND_START_SILENT		16
+#define AMBIENT_SOUND_NOT_LOOPING		32
+
+#define SPEAKER_START_SILENT			1	// wait for trigger 'on' to start announcements
+
+#define SND_SPAWNING		(1<<8)		// duplicated in protocol.h we're spawing, used in some cases for ambients 
+#define SND_STOP			(1<<5)		// duplicated in protocol.h stop sound
+#define SND_CHANGE_VOL		(1<<6)		// duplicated in protocol.h change sound vol
+#define SND_CHANGE_PITCH	(1<<7)		// duplicated in protocol.h change sound pitch
+
+#define	LFO_SQUARE			1
+#define LFO_TRIANGLE		2
+#define LFO_RANDOM			3
+
+// func_rotating
+#define SF_BRUSH_ROTATE_Y_AXIS		0
+#define SF_BRUSH_ROTATE_INSTANT		1
+#define SF_BRUSH_ROTATE_BACKWARDS	2
+#define SF_BRUSH_ROTATE_Z_AXIS		4
+#define SF_BRUSH_ROTATE_X_AXIS		8
+#define SF_PENDULUM_AUTO_RETURN		16
+#define	SF_PENDULUM_PASSABLE		32
+
+
+#define SF_BRUSH_ROTATE_SMALLRADIUS	128
+#define SF_BRUSH_ROTATE_MEDIUMRADIUS 256
+#define SF_BRUSH_ROTATE_LARGERADIUS 512
+
+#define PUSH_BLOCK_ONLY_X	1
+#define PUSH_BLOCK_ONLY_Y	2
+
+#define VEC_HULL_MIN		Vector(-16, -16, -36)
+#define VEC_HULL_MAX		Vector( 16,  16,  36)
+#define VEC_HUMAN_HULL_MIN	Vector( -16, -16, 0 )
+#define VEC_HUMAN_HULL_MAX	Vector( 16, 16, 72 )
+#define VEC_HUMAN_HULL_DUCK	Vector( 16, 16, 36 )
+
+#define VEC_VIEW			Vector( 0, 0, 28 )
+
+#define VEC_DUCK_HULL_MIN	Vector(-16, -16, -18 )
+#define VEC_DUCK_HULL_MAX	Vector( 16,  16,  18)
+#define VEC_DUCK_VIEW		Vector( 0, 0, 12 )
+
+#define SVC_TEMPENTITY		23
+#define SVC_INTERMISSION	30
+#define SVC_CDTRACK			32
+#define SVC_WEAPONANIM		35
+#define SVC_ROOMTYPE		37
+#define	SVC_DIRECTOR		51
+
+
+
+// triggers
+#define	SF_TRIGGER_ALLOWMONSTERS	1// monsters allowed to fire this trigger
+#define	SF_TRIGGER_NOCLIENTS		2// players not allowed to fire this trigger
+#define SF_TRIGGER_PUSHABLES		4// only pushables can fire this trigger
+
+// func breakable
+#define SF_BREAK_TRIGGER_ONLY	1// may only be broken by trigger
+#define	SF_BREAK_TOUCH			2// can be 'crashed through' by running player (plate glass)
+#define SF_BREAK_PRESSURE		4// can be broken by a player standing on it
+#define SF_BREAK_CROWBAR		256// instant break if hit with crowbar
+
+// func_pushable (it's also func_breakable, so don't collide with those flags)
+#define SF_PUSH_BREAKABLE		128
+
+#define SF_LIGHT_START_OFF		1
+
+#define SPAWNFLAG_NOMESSAGE	1
+#define SPAWNFLAG_NOTOUCH	1
+#define SPAWNFLAG_DROIDONLY	4
+
+#define SPAWNFLAG_USEONLY	1		// can't be touched, must be used (buttons)
+
+#define TELE_PLAYER_ONLY	1
+#define TELE_SILENT			2
+
+#define SF_TRIG_PUSH_ONCE		1
+
+
+// Sound Utilities
+
+// sentence groups
+#define CBSENTENCENAME_MAX 16
+#define CVOXFILESENTENCEMAX		1536		// max number of sentences in game. NOTE: this must match
+											// CVOXFILESENTENCEMAX in engine\sound.h!!!
+
+extern char gszallsentencenames[CVOXFILESENTENCEMAX][CBSENTENCENAME_MAX];
+extern int gcallsentences;
+
+int USENTENCEG_Pick(int isentenceg, char *szfound);
+int USENTENCEG_PickSequential(int isentenceg, char *szfound, int ipick, int freset);
+void USENTENCEG_InitLRU(unsigned char *plru, int count);
+
+void SENTENCEG_Init();
+void SENTENCEG_Stop(edict_t *entity, int isentenceg, int ipick);
+int SENTENCEG_PlayRndI(edict_t *entity, int isentenceg, float volume, float attenuation, int flags, int pitch);
+int SENTENCEG_PlayRndSz(edict_t *entity, const char *szrootname, float volume, float attenuation, int flags, int pitch);
+int SENTENCEG_PlaySequentialSz(edict_t *entity, const char *szrootname, float volume, float attenuation, int flags, int pitch, int ipick, int freset);
+int SENTENCEG_GetIndex(const char *szrootname);
+int SENTENCEG_Lookup(const char *sample, char *sentencenum);
+
+void TEXTURETYPE_Init();
+char TEXTURETYPE_Find(char *name);
+float TEXTURETYPE_PlaySound(TraceResult *ptr,  Vector vecSrc, Vector vecEnd, int iBulletType);
+
+// NOTE: use EMIT_SOUND_DYN to set the pitch of a sound. Pitch of 100
+// is no pitch shift.  Pitch > 100 up to 255 is a higher pitch, pitch < 100
+// down to 1 is a lower pitch.   150 to 70 is the realistic range.
+// EMIT_SOUND_DYN with pitch != 100 should be used sparingly, as it's not quite as
+// fast as EMIT_SOUND (the pitchshift mixer is not native coded).
+
+void EMIT_SOUND_DYN(edict_t *entity, int channel, const char *sample, float volume, float attenuation,
+						   int flags, int pitch);
+
+
+inline void EMIT_SOUND(edict_t *entity, int channel, const char *sample, float volume, float attenuation)
+{
+	EMIT_SOUND_DYN(entity, channel, sample, volume, attenuation, 0, PITCH_NORM);
+}
+
+inline void STOP_SOUND(edict_t *entity, int channel, const char *sample)
+{
+	EMIT_SOUND_DYN(entity, channel, sample, 0, 0, SND_STOP, PITCH_NORM);
+}
+
+void EMIT_SOUND_SUIT(edict_t *entity, const char *sample);
+void EMIT_GROUPID_SUIT(edict_t *entity, int isentenceg);
+void EMIT_GROUPNAME_SUIT(edict_t *entity, const char *groupname);
+
+#define PRECACHE_SOUND_ARRAY( a ) \
+	{ for (int i = 0; i < ARRAYSIZE( a ); i++ ) PRECACHE_SOUND((char *) a [i]); }
+
+#define EMIT_SOUND_ARRAY_DYN( chan, array ) \
+	EMIT_SOUND_DYN ( ENT(pev), chan , array [ RANDOM_LONG(0,ARRAYSIZE( array )-1) ], 1.0, ATTN_NORM, 0, RANDOM_LONG(95,105) ); 
+
+#define RANDOM_SOUND_ARRAY( array ) (array) [ RANDOM_LONG(0,ARRAYSIZE( (array) )-1) ]
+
+#define PLAYBACK_EVENT( flags, who, index ) PLAYBACK_EVENT_FULL( flags, who, index, 0, (float *)&g_vecZero, (float *)&g_vecZero, 0.0, 0.0, 0, 0, 0, 0 );
+#define PLAYBACK_EVENT_DELAY( flags, who, index, delay ) PLAYBACK_EVENT_FULL( flags, who, index, delay, (float *)&g_vecZero, (float *)&g_vecZero, 0.0, 0.0, 0, 0, 0, 0 );
+
+#define GROUP_OP_AND	0
+#define GROUP_OP_NAND	1
+
+extern int g_groupmask;
+extern int g_groupop;
+
+class UTIL_GroupTrace
+{
+public:
+	UTIL_GroupTrace( int groupmask, int op );
+	~UTIL_GroupTrace( void );
+
+private:
+	int m_oldgroupmask, m_oldgroupop;
+};
+
+void UTIL_SetGroupTrace( int groupmask, int op );
+void UTIL_UnsetGroupTrace( void );
+
+int UTIL_SharedRandomLong( unsigned int seed, int low, int high );
+float UTIL_SharedRandomFloat( unsigned int seed, float low, float high );
+
+float UTIL_WeaponTimeBase( void );

dlls/vector.h

@@ -0,0 +1,113 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+
+#ifndef VECTOR_H
+#define VECTOR_H
+
+
+//=========================================================
+// 2DVector - used for many pathfinding and many other 
+// operations that are treated as planar rather than 3d.
+//=========================================================
+class Vector2D
+{
+public:
+	inline Vector2D(void): x(0.0), y(0.0)							{ }
+	inline Vector2D(float X, float Y): x(0.0), y(0.0)				{ x = X; y = Y; }
+	inline Vector2D operator+(const Vector2D& v)	const	{ return Vector2D(x+v.x, y+v.y);	}
+	inline Vector2D operator-(const Vector2D& v)	const	{ return Vector2D(x-v.x, y-v.y);	}
+	inline Vector2D operator*(float fl)				const	{ return Vector2D(x*fl, y*fl);	}
+	inline Vector2D operator/(float fl)				const	{ return Vector2D(x/fl, y/fl);	}
+	
+	inline float Length(void)						const	{ return sqrt(x*x + y*y );		}
+
+	inline Vector2D Normalize ( void ) const
+	{
+		// Vector2D vec2;
+
+		float flLen = Length();
+		if ( flLen == 0 )
+		{
+			return Vector2D( 0, 0 );
+		}
+		else
+		{
+			flLen = 1 / flLen;
+			return Vector2D( x * flLen, y * flLen );
+		}
+	}
+
+	vec_t	x, y;
+};
+
+inline float DotProduct(const Vector2D& a, const Vector2D& b) { return( a.x*b.x + a.y*b.y ); }
+inline Vector2D operator*(float fl, const Vector2D& v)	{ return v * fl; }
+
+//=========================================================
+// 3D Vector
+//=========================================================
+class Vector						// same data-layout as engine's vec3_t,
+{								//		which is a vec_t[3]
+public:
+	// Construction/destruction
+	inline Vector(void): x(0.0), y(0.0), z(0.0)					{ }
+	inline Vector(float X, float Y, float Z): x(0.0), y(0.0), z(0.0)	{ x = X; y = Y; z = Z;				}
+	//inline Vector(double X, double Y, double Z)		{ x = (float)X; y = (float)Y; z = (float)Z;	}
+	//inline Vector(int X, int Y, int Z)				{ x = (float)X; y = (float)Y; z = (float)Z;	}
+	inline Vector(const Vector& v): x(0.0), y(0.0), z(0.0)		{ x = v.x; y = v.y; z = v.z;				} 
+	inline Vector(float rgfl[3]): x(0.0), y(0.0), z(0.0)		{ x = rgfl[0]; y = rgfl[1]; z = rgfl[2];	}
+
+	// Operators
+	inline Vector operator-(void) const				{ return Vector(-x,-y,-z);				}
+	inline int operator==(const Vector& v) const	{ return x==v.x && y==v.y && z==v.z;	}
+	inline int operator!=(const Vector& v) const	{ return !(*this==v);					}
+	inline Vector operator+(const Vector& v) const	{ return Vector(x+v.x, y+v.y, z+v.z);	}
+	inline Vector operator-(const Vector& v) const	{ return Vector(x-v.x, y-v.y, z-v.z);	}
+	inline Vector operator*(float fl) const			{ return Vector(x*fl, y*fl, z*fl);		}
+	inline Vector operator/(float fl) const			{ return Vector(x/fl, y/fl, z/fl);		}
+	
+	// Methods
+	inline void CopyToArray(float* rgfl) const		{ rgfl[0] = x, rgfl[1] = y, rgfl[2] = z; }
+	inline float Length(void) const					{ return sqrt(x*x + y*y + z*z); }
+	operator float *()								{ return &x; } // Vectors will now automatically convert to float * when needed
+	operator const float *() const					{ return &x; } // Vectors will now automatically convert to float * when needed
+	inline Vector Normalize(void) const
+	{
+		float flLen = Length();
+		if (flLen == 0) return Vector(0,0,1); // ????
+		flLen = 1 / flLen;
+		return Vector(x * flLen, y * flLen, z * flLen);
+	}
+
+	inline Vector2D Make2D ( void ) const
+	{
+		Vector2D	Vec2;
+
+		Vec2.x = x;
+		Vec2.y = y;
+
+		return Vec2;
+	}
+	inline float Length2D(void) const					{ return sqrt(x*x + y*y); }
+
+	// Members
+	vec_t x, y, z;
+};
+
+inline Vector operator*(float fl, const Vector& v)	{ return v * fl; }
+inline float DotProduct(const Vector& a, const Vector& b) { return(a.x*b.x+a.y*b.y+a.z*b.z); }
+inline Vector CrossProduct(const Vector& a, const Vector& b) { return Vector( a.y*b.z - a.z*b.y, a.z*b.x - a.x*b.z, a.x*b.y - a.y*b.x ); }
+
+#endif

engine/FlightRecorder.h

@@ -0,0 +1,61 @@
+/*
+*
+*    This program is free software; you can redistribute it and/or modify it
+*    under the terms of the GNU General Public License as published by the
+*    Free Software Foundation; either version 2 of the License, or (at
+*    your option) any later version.
+*
+*    This program is distributed in the hope that it will be useful, but
+*    WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*    You should have received a copy of the GNU General Public License
+*    along with this program; if not, write to the Free Software Foundation,
+*    Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*
+*    In addition, as a special exception, the author gives permission to
+*    link the code of this program with the Half-Life Game Engine ("HL
+*    Engine") and Modified Game Libraries ("MODs") developed by Valve,
+*    L.L.C ("Valve").  You must obey the GNU General Public License in all
+*    respects for all of the code used other than the HL Engine and MODs
+*    from Valve.  If you modify this file, you may extend this exception
+*    to your version of the file, but you are not obligated to do so.  If
+*    you do not wish to do so, delete this exception statement from your
+*    version.
+*
+*/
+#pragma once
+
+#include "archtypes.h"
+
+class IRehldsFlightRecorder
+{
+public:
+	virtual ~IRehldsFlightRecorder() { }
+
+	virtual uint16 RegisterMessage(const char* module, const char *message, unsigned int version, bool inOut) = 0;
+	
+	virtual void StartMessage(uint16 msg, bool entrance) = 0;
+	virtual void EndMessage(uint16 msg, bool entrance) = 0;
+	
+	virtual void WriteInt8(int8 v) = 0;
+	virtual void WriteUInt8(uint8 v) = 0;
+	
+	virtual void WriteInt16(int16 v) = 0;
+	virtual void WriteUInt16(uint16 v) = 0;
+
+	virtual void WriteInt32(int32 v) = 0;
+	virtual void WriteUInt32(uint32 v) = 0;
+
+	virtual void WriteInt64(int64 v) = 0;
+	virtual void WriteUInt64(uint64 v) = 0;
+
+	virtual void WriteFloat(float v) = 0;
+	virtual void WriteDouble(double v) = 0;
+
+	virtual void WriteString(const char* s) = 0;
+
+	virtual void WriteBuffer(const void* data ,unsigned int len) = 0;
+
+};

engine/Sequence.h

@@ -0,0 +1,201 @@
+//---------------------------------------------------------------------------
+// 
+//		S c r i p t e d   S e q u e n c e s
+// 
+//---------------------------------------------------------------------------
+#ifndef _INCLUDE_SEQUENCE_H_
+#define _INCLUDE_SEQUENCE_H_
+
+
+#ifndef _DEF_BYTE_
+typedef unsigned char byte;
+#endif
+
+//---------------------------------------------------------------------------
+// client_textmessage_t
+//---------------------------------------------------------------------------
+typedef struct client_textmessage_s
+{
+	int		effect;
+	byte	r1, g1, b1, a1;		// 2 colors for effects
+	byte	r2, g2, b2, a2;
+	float	x;
+	float	y;
+	float	fadein;
+	float	fadeout;
+	float	holdtime;
+	float	fxtime;
+	const char *pName;
+	const char *pMessage;
+} client_textmessage_t;
+
+
+//--------------------------------------------------------------------------
+// sequenceDefaultBits_e
+//	
+// Enumerated list of possible modifiers for a command.  This enumeration
+// is used in a bitarray controlling what modifiers are specified for a command.
+//---------------------------------------------------------------------------
+enum sequenceModifierBits
+{
+	SEQUENCE_MODIFIER_EFFECT_BIT		= (1 << 1),
+	SEQUENCE_MODIFIER_POSITION_BIT		= (1 << 2),
+	SEQUENCE_MODIFIER_COLOR_BIT			= (1 << 3),
+	SEQUENCE_MODIFIER_COLOR2_BIT		= (1 << 4),
+	SEQUENCE_MODIFIER_FADEIN_BIT		= (1 << 5),
+	SEQUENCE_MODIFIER_FADEOUT_BIT		= (1 << 6),
+	SEQUENCE_MODIFIER_HOLDTIME_BIT		= (1 << 7),
+	SEQUENCE_MODIFIER_FXTIME_BIT		= (1 << 8),
+	SEQUENCE_MODIFIER_SPEAKER_BIT		= (1 << 9),
+	SEQUENCE_MODIFIER_LISTENER_BIT		= (1 << 10),
+	SEQUENCE_MODIFIER_TEXTCHANNEL_BIT	= (1 << 11),
+};
+typedef enum sequenceModifierBits sequenceModifierBits_e ;
+
+
+//---------------------------------------------------------------------------
+// sequenceCommandEnum_e
+// 
+// Enumerated sequence command types.
+//---------------------------------------------------------------------------
+enum sequenceCommandEnum_
+{
+	SEQUENCE_COMMAND_ERROR = -1,
+	SEQUENCE_COMMAND_PAUSE = 0,
+	SEQUENCE_COMMAND_FIRETARGETS,
+	SEQUENCE_COMMAND_KILLTARGETS,
+	SEQUENCE_COMMAND_TEXT,
+	SEQUENCE_COMMAND_SOUND,
+	SEQUENCE_COMMAND_GOSUB,
+	SEQUENCE_COMMAND_SENTENCE,
+	SEQUENCE_COMMAND_REPEAT,
+	SEQUENCE_COMMAND_SETDEFAULTS,
+	SEQUENCE_COMMAND_MODIFIER,
+	SEQUENCE_COMMAND_POSTMODIFIER,
+	SEQUENCE_COMMAND_NOOP,
+
+	SEQUENCE_MODIFIER_EFFECT,
+	SEQUENCE_MODIFIER_POSITION,
+	SEQUENCE_MODIFIER_COLOR,
+	SEQUENCE_MODIFIER_COLOR2,
+	SEQUENCE_MODIFIER_FADEIN,
+	SEQUENCE_MODIFIER_FADEOUT,
+	SEQUENCE_MODIFIER_HOLDTIME,
+	SEQUENCE_MODIFIER_FXTIME,
+	SEQUENCE_MODIFIER_SPEAKER,
+	SEQUENCE_MODIFIER_LISTENER,
+	SEQUENCE_MODIFIER_TEXTCHANNEL,
+};
+typedef enum sequenceCommandEnum_ sequenceCommandEnum_e;
+
+
+//---------------------------------------------------------------------------
+// sequenceCommandType_e
+// 
+// Typeerated sequence command types.
+//---------------------------------------------------------------------------
+enum sequenceCommandType_
+{
+	SEQUENCE_TYPE_COMMAND,
+	SEQUENCE_TYPE_MODIFIER,
+};
+typedef enum sequenceCommandType_ sequenceCommandType_e;
+
+
+//---------------------------------------------------------------------------
+// sequenceCommandMapping_s
+// 
+// A mapping of a command enumerated-value to its name.
+//---------------------------------------------------------------------------
+typedef struct sequenceCommandMapping_ sequenceCommandMapping_s;
+struct sequenceCommandMapping_
+{
+	sequenceCommandEnum_e	commandEnum;
+	const char*				commandName;
+	sequenceCommandType_e	commandType;
+};
+
+
+//---------------------------------------------------------------------------
+// sequenceCommandLine_s
+// 
+// Structure representing a single command (usually 1 line) from a
+//	.SEQ file entry.
+//---------------------------------------------------------------------------
+typedef struct sequenceCommandLine_ sequenceCommandLine_s;
+struct sequenceCommandLine_
+{
+	int						commandType;		// Specifies the type of command
+	client_textmessage_t	clientMessage;		// Text HUD message struct
+	char*					speakerName;		// Targetname of speaking entity
+	char*					listenerName;		// Targetname of entity being spoken to
+	char*					soundFileName;		// Name of sound file to play
+	char*					sentenceName;		// Name of sentences.txt to play
+	char*					fireTargetNames;	// List of targetnames to fire
+	char*					killTargetNames;	// List of targetnames to remove
+	float					delay;				// Seconds 'till next command
+	int						repeatCount;		// If nonzero, reset execution pointer to top of block (N times, -1 = infinite)
+	int						textChannel;		// Display channel on which text message is sent
+	int						modifierBitField;	// Bit field to specify what clientmessage fields are valid
+	sequenceCommandLine_s*	nextCommandLine;	// Next command (linked list)
+};
+
+
+//---------------------------------------------------------------------------
+// sequenceEntry_s
+// 
+// Structure representing a single command (usually 1 line) from a
+//	.SEQ file entry.
+//---------------------------------------------------------------------------
+typedef struct sequenceEntry_ sequenceEntry_s;
+struct sequenceEntry_
+{
+	char*					fileName;		// Name of sequence file without .SEQ extension
+	char*					entryName;		// Name of entry label in file
+	sequenceCommandLine_s*	firstCommand;	// Linked list of commands in entry
+	sequenceEntry_s*		nextEntry;		// Next loaded entry
+	qboolean				isGlobal;		// Is entry retained over level transitions?
+};
+
+
+
+//---------------------------------------------------------------------------
+// sentenceEntry_s
+// Structure representing a single sentence of a group from a .SEQ
+// file entry.  Sentences are identical to entries in sentences.txt, but
+// can be unique per level and are loaded/unloaded with the level.
+//---------------------------------------------------------------------------
+typedef struct sentenceEntry_ sentenceEntry_s;
+struct sentenceEntry_
+{
+	char*					data;			// sentence data (ie "We have hostiles" )
+	sentenceEntry_s*		nextEntry;		// Next loaded entry
+	qboolean				isGlobal;		// Is entry retained over level transitions?
+	unsigned int			index;			// this entry's position in the file.
+};
+
+//--------------------------------------------------------------------------
+// sentenceGroupEntry_s
+// Structure representing a group of sentences found in a .SEQ file.
+// A sentence group is defined by all sentences with the same name, ignoring
+// the number at the end of the sentence name.  Groups enable a sentence
+// to be picked at random across a group.
+//--------------------------------------------------------------------------
+typedef struct sentenceGroupEntry_ sentenceGroupEntry_s;
+struct sentenceGroupEntry_
+{
+	char*					groupName;		// name of the group (ie CT_ALERT )
+	unsigned int			numSentences;	// number of sentences in group
+	sentenceEntry_s*		firstSentence;	// head of linked list of sentences in group
+	sentenceGroupEntry_s*	nextEntry;		// next loaded group
+};
+
+//---------------------------------------------------------------------------
+// Function declarations
+//---------------------------------------------------------------------------
+sequenceEntry_s* SequenceGet( const char* fileName, const char* entryName );
+void Sequence_ParseFile( const char* fileName, qboolean isGlobal );
+void Sequence_OnLevelLoad( const char* mapName );
+sentenceEntry_s* SequencePickSentence( const char *groupName, int pickMethod, int *picked );
+
+#endif /* _INCLUDE_SEQUENCE_H_ */

engine/archtypes.h

@@ -0,0 +1,66 @@
+/*
+*
+*    This program is free software; you can redistribute it and/or modify it
+*    under the terms of the GNU General Public License as published by the
+*    Free Software Foundation; either version 2 of the License, or (at
+*    your option) any later version.
+*
+*    This program is distributed in the hope that it will be useful, but
+*    WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*    You should have received a copy of the GNU General Public License
+*    along with this program; if not, write to the Free Software Foundation,
+*    Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*
+*    In addition, as a special exception, the author gives permission to
+*    link the code of this program with the Half-Life Game Engine ("HL
+*    Engine") and Modified Game Libraries ("MODs") developed by Valve,
+*    L.L.C ("Valve").  You must obey the GNU General Public License in all
+*    respects for all of the code used other than the HL Engine and MODs
+*    from Valve.  If you modify this file, you may extend this exception
+*    to your version of the file, but you are not obligated to do so.  If
+*    you do not wish to do so, delete this exception statement from your
+*    version.
+*
+*/#ifndef ARCHTYPES_H
+#define ARCHTYPES_H
+
+#ifdef __x86_64__
+#define X64BITS
+#endif
+
+#if defined( _WIN32 ) && (! defined( __MINGW32__ ))
+
+typedef __int8 int8;
+typedef unsigned __int8 uint8;
+typedef __int16 int16;
+typedef unsigned __int16 uint16;
+typedef __int32 int32;
+typedef unsigned __int32 uint32;
+typedef __int64 int64;
+typedef unsigned __int64 uint64;
+typedef __int32 intp;				// intp is an integer that can accomodate a pointer
+typedef unsigned __int32 uintp;		// (ie, sizeof(intp) >= sizeof(int) && sizeof(intp) >= sizeof(void *)
+
+#else /* _WIN32 */
+typedef char int8;
+typedef unsigned char uint8;
+typedef short int16;
+typedef unsigned short uint16;
+typedef int int32;
+typedef unsigned int uint32;
+typedef long long int64;
+typedef unsigned long long uint64;
+#ifdef X64BITS
+typedef long long intp;
+typedef unsigned long long uintp;
+#else
+typedef int intp;
+typedef unsigned int uintp;
+#endif
+
+#endif /* else _WIN32 */
+
+#endif /* ARCHTYPES_H */

engine/bspfile.h

@@ -0,0 +1,169 @@
+/*
+*
+*    This program is free software; you can redistribute it and/or modify it
+*    under the terms of the GNU General Public License as published by the
+*    Free Software Foundation; either version 2 of the License, or (at
+*    your option) any later version.
+*
+*    This program is distributed in the hope that it will be useful, but
+*    WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*    You should have received a copy of the GNU General Public License
+*    along with this program; if not, write to the Free Software Foundation,
+*    Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*
+*    In addition, as a special exception, the author gives permission to
+*    link the code of this program with the Half-Life Game Engine ("HL
+*    Engine") and Modified Game Libraries ("MODs") developed by Valve,
+*    L.L.C ("Valve").  You must obey the GNU General Public License in all
+*    respects for all of the code used other than the HL Engine and MODs
+*    from Valve.  If you modify this file, you may extend this exception
+*    to your version of the file, but you are not obligated to do so.  If
+*    you do not wish to do so, delete this exception statement from your
+*    version.
+*
+*/
+#pragma once
+
+#define BSPVERSION			30
+#define MAX_MAP_HULLS		4
+
+#define CONTENTS_ORIGIN		-7		// removed at csg time
+#define CONTENTS_CLIP		-8		// changed to contents_solid
+#define CONTENTS_CURRENT_0		-9
+#define CONTENTS_CURRENT_90		-10
+#define CONTENTS_CURRENT_180	-11
+#define CONTENTS_CURRENT_270	-12
+#define CONTENTS_CURRENT_UP		-13
+#define CONTENTS_CURRENT_DOWN	-14
+
+#define CONTENTS_TRANSLUCENT	-15
+
+#define	LUMP_ENTITIES	0
+#define	LUMP_PLANES		1
+#define	LUMP_TEXTURES	2
+#define	LUMP_VERTEXES	3
+#define	LUMP_VISIBILITY	4
+#define	LUMP_NODES		5
+#define	LUMP_TEXINFO	6
+#define	LUMP_FACES		7
+#define	LUMP_LIGHTING	8
+#define	LUMP_CLIPNODES	9
+#define	LUMP_LEAFS		10
+#define	LUMP_MARKSURFACES 11
+#define	LUMP_EDGES		12
+#define	LUMP_SURFEDGES	13
+#define	LUMP_MODELS		14
+
+#define	HEADER_LUMPS	15
+
+/* <a1fc> ../engine/bspfile.h:41 */
+typedef struct  lump_s
+{
+	int				fileofs;
+	int				filelen;
+} lump_t;
+
+/* <a22c> ../engine/bspfile.h:64 */
+typedef struct dmodel_s
+{
+	float			mins[3], maxs[3];
+	float			origin[3];
+	int				headnode[MAX_MAP_HULLS];
+	int				visleafs;		// not including the solid leaf 0
+	int				firstface, numfaces;
+} dmodel_t;
+
+/* <a2c2> ../engine/bspfile.h:73 */
+typedef struct dheader_s
+{
+	int				version;
+	lump_t			lumps[15];
+} dheader_t;
+
+/* <485b2> ../engine/bspfile.h:79 */
+typedef struct dmiptexlump_s
+{
+	int				_nummiptex;
+	int				dataofs[4];
+} dmiptexlump_t;
+
+/* <1ce18> ../engine/bspfile.h:86 */
+typedef struct miptex_s
+{
+	char			name[16];
+	unsigned		width;
+	unsigned		height;
+	unsigned		offsets[4];
+} miptex_t;
+
+/* <48652> ../engine/bspfile.h:94 */
+typedef struct dvertex_s
+{
+	float			point[3];
+} dvertex_t;
+
+/* <48674> ../engine/bspfile.h:110 */
+typedef struct dplane_s
+{
+	float			normal[3];
+	float			dist;
+	int				type;
+} dplane_t;
+
+/* <486b2> ../engine/bspfile.h:132 */
+typedef struct dnode_s
+{
+	int				planenum;
+	short			children[2];
+	short			mins[3];
+	short			maxs[3];
+	unsigned short	firstface;
+	unsigned short	numfaces;
+} dnode_t;
+
+/* <a332> ../engine/bspfile.h:142 */
+typedef struct dclipnode_s
+{
+	int				planenum;
+	short			children[2];	// negative numbers are contents
+} dclipnode_t;
+
+/* <4876a> ../engine/bspfile.h:149 */
+typedef struct texinfo_s
+{
+	float			vecs[2][4];
+	int				_miptex;
+	int				flags;
+} texinfo_t;
+
+/* <487c2> ../engine/bspfile.h:159 */
+typedef struct dedge_s
+{
+	unsigned short	v[2];
+} dedge_t;
+
+/* <487f2> ../engine/bspfile.h:165 */
+typedef struct dface_s
+{
+	short			planenum;
+	short			side;
+	int				firstedge;
+	short			numedges;
+	short			texinfo;
+	byte			styles[4];
+	int				lightofs;
+} dface_t;
+
+typedef struct dleaf_s
+{
+	int				contents;
+	int				visofs;
+	short			mins[3];
+	short			maxs[3];
+	unsigned short	firstmarksurface;
+	unsigned short	nummarksurfaces;
+	byte			ambient_level[4];
+} dleaf_t;

engine/cmd_rehlds.h

@@ -0,0 +1,53 @@
+/*
+*
+*    This program is free software; you can redistribute it and/or modify it
+*    under the terms of the GNU General Public License as published by the
+*    Free Software Foundation; either version 2 of the License, or (at
+*    your option) any later version.
+*
+*    This program is distributed in the hope that it will be useful, but
+*    WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*    You should have received a copy of the GNU General Public License
+*    along with this program; if not, write to the Free Software Foundation,
+*    Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*
+*    In addition, as a special exception, the author gives permission to
+*    link the code of this program with the Half-Life Game Engine ("HL
+*    Engine") and Modified Game Libraries ("MODs") developed by Valve,
+*    L.L.C ("Valve").  You must obey the GNU General Public License in all
+*    respects for all of the code used other than the HL Engine and MODs
+*    from Valve.  If you modify this file, you may extend this exception
+*    to your version of the file, but you are not obligated to do so.  If
+*    you do not wish to do so, delete this exception statement from your
+*    version.
+*
+*/
+#pragma once
+
+#include "archtypes.h"
+
+/* <8f1> ../engine/cmd.h:65 */
+typedef void(*xcommand_t)(void);
+
+/* <904> ../engine/cmd.h:71 */
+typedef struct cmd_function_s
+{
+	struct cmd_function_s *next;
+	char *name;
+	xcommand_t function;
+	int flags;
+} cmd_function_t;
+
+/* <95a> ../engine/cmd.h:80 */
+typedef enum cmd_source_s
+{
+	src_client = 0,		// came in over a net connection as a clc_stringcmd. host_client will be valid during this state.
+	src_command = 1,	// from the command buffer.
+} cmd_source_t;
+
+#define FCMD_HUD_COMMAND		BIT(0)
+#define FCMD_GAME_COMMAND		BIT(1)
+#define FCMD_WRAPPER_COMMAND	BIT(2)

engine/common_rehlds.h

@@ -0,0 +1,76 @@
+/*
+*
+*    This program is free software; you can redistribute it and/or modify it
+*    under the terms of the GNU General Public License as published by the
+*    Free Software Foundation; either version 2 of the License, or (at
+*    your option) any later version.
+*
+*    This program is distributed in the hope that it will be useful, but
+*    WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*    You should have received a copy of the GNU General Public License
+*    along with this program; if not, write to the Free Software Foundation,
+*    Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*
+*    In addition, as a special exception, the author gives permission to
+*    link the code of this program with the Half-Life Game Engine ("HL
+*    Engine") and Modified Game Libraries ("MODs") developed by Valve,
+*    L.L.C ("Valve").  You must obey the GNU General Public License in all
+*    respects for all of the code used other than the HL Engine and MODs
+*    from Valve.  If you modify this file, you may extend this exception
+*    to your version of the file, but you are not obligated to do so.  If
+*    you do not wish to do so, delete this exception statement from your
+*    version.
+*
+*/
+#pragma once
+
+#include "const.h"
+
+#define COM_TOKEN_LEN	1024
+
+// Don't allow overflow
+#define SIZEBUF_CHECK_OVERFLOW	0
+#define SIZEBUF_ALLOW_OVERFLOW	BIT(0)
+#define SIZEBUF_OVERFLOWED		BIT(1)
+
+#define MAX_NUM_ARGVS	50
+#define NUM_SAFE_ARGVS	7
+
+#define COM_COPY_CHUNK_SIZE 1024
+#define COM_MAX_CMD_LINE 256
+
+/* <6ae> ../common/common.h:82 */
+typedef struct sizebuf_s
+{
+	const char *buffername;
+	uint16 flags;
+	byte *data;
+	int maxsize;
+	int cursize;
+} sizebuf_t;
+
+/* <270aa> ../common/common.h:297 */
+typedef struct downloadtime_s
+{
+	qboolean bUsed;
+	float fTime;
+	int nBytesRemaining;
+} downloadtime_t;
+
+/* <19fa2> ../common/common.h:303 */
+typedef struct incomingtransfer_s
+{
+	qboolean doneregistering;
+	int percent;
+	qboolean downloadrequested;
+	downloadtime_t rgStats[8];
+	int nCurStat;
+	int nTotalSize;
+	int nTotalToTransfer;
+	int nRemainingToTransfer;
+	float fLastStatusUpdate;
+	qboolean custom;
+} incomingtransfer_t;

engine/crc32c.h

@@ -0,0 +1,22 @@
+/*
+Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+You should have received a copy of the GNU Lesser General Public License
+along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+#pragma once
+#include "archtypes.h"
+
+extern uint32 crc32c_t8_nosse(uint32 iCRC, uint8 u8);
+extern uint32 crc32c_t8_sse(uint32 iCRC, uint8 u8);
+extern uint32 crc32c_t_nosse(uint32 iCRC, const uint8 *buf, int len);
+extern uint32 crc32c_t_sse(uint32 iCRC, const uint8 *buf, unsigned int len);
+extern uint32 crc32c_t(uint32 iCRC, const uint8 *buf, unsigned int len);
+extern uint32 crc32c(const uint8 *buf, int len);

engine/custom.h

@@ -0,0 +1,95 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+// Customization.h
+#pragma once
+
+#include "const.h"
+
+#define MAX_QPATH 64    // Must match value in quakedefs.h
+
+/////////////////
+// Customization
+// passed to pfnPlayerCustomization
+// For automatic downloading.
+typedef enum
+{
+	t_sound = 0,
+	t_skin,
+	t_model,
+	t_decal,
+	t_generic,
+	t_eventscript,
+	t_world,		// Fake type for world, is really t_model
+	rt_unk,
+
+	rt_max
+} resourcetype_t;
+
+
+typedef struct
+{
+	int				size;
+} _resourceinfo_t;
+
+typedef struct resourceinfo_s
+{
+	_resourceinfo_t info[ rt_max ];
+} resourceinfo_t;
+
+#define RES_FATALIFMISSING (1<<0)   // Disconnect if we can't get this file.
+#define RES_WASMISSING     (1<<1)   // Do we have the file locally, did we get it ok?
+#define RES_CUSTOM         (1<<2)   // Is this resource one that corresponds to another player's customization
+								    // or is it a server startup resource.
+#define RES_REQUESTED	   (1<<3)	// Already requested a download of this one
+#define RES_PRECACHED	   (1<<4)	// Already precached
+#define RES_ALWAYS		   (1<<5)	// download always even if available on client
+#define RES_UNK_6          (1<<6)   // TODO: what is it?
+#define RES_CHECKFILE	   (1<<7)	// check file on client
+
+#include "crc.h"
+
+typedef struct resource_s
+{
+	char              szFileName[MAX_QPATH]; // File name to download/precache.
+	resourcetype_t    type;                // t_sound, t_skin, t_model, t_decal.
+	int               nIndex;              // For t_decals
+	int               nDownloadSize;       // Size in Bytes if this must be downloaded.
+	unsigned char     ucFlags;
+
+// For handling client to client resource propagation
+	unsigned char     rgucMD5_hash[16];    // To determine if we already have it.
+	unsigned char     playernum;           // Which player index this resource is associated with, if it's a custom resource.
+
+	unsigned char	  rguc_reserved[ 32 ]; // For future expansion
+	struct resource_s *pNext;              // Next in chain.
+	struct resource_s *pPrev;
+} resource_t;
+
+typedef struct customization_s
+{
+	qboolean bInUse;     // Is this customization in use;
+	resource_t resource; // The resource_t for this customization
+	qboolean bTranslated; // Has the raw data been translated into a useable format?  
+						   //  (e.g., raw decal .wad make into texture_t *)
+	int        nUserData1; // Customization specific data
+	int        nUserData2; // Customization specific data
+	void *pInfo;          // Buffer that holds the data structure that references the data (e.g., the cachewad_t)
+	void *pBuffer;       // Buffer that holds the data for the customization (the raw .wad data)
+	struct customization_s *pNext; // Next in chain
+} customization_t;
+
+#define FCUST_FROMHPAK		( 1<<0 )
+#define FCUST_WIPEDATA		( 1<<1 )
+#define FCUST_IGNOREINIT	( 1<<2 )

engine/customentity.h

@@ -0,0 +1,38 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#ifndef CUSTOMENTITY_H
+#define CUSTOMENTITY_H
+
+// Custom Entities
+
+// Start/End Entity is encoded as 12 bits of entity index, and 4 bits of attachment (4:12)
+#define BEAMENT_ENTITY(x)		((x)&0xFFF)
+#define BEAMENT_ATTACHMENT(x)	(((x)>>12)&0xF)
+
+// Beam types, encoded as a byte
+enum 
+{
+	BEAM_POINTS = 0,
+	BEAM_ENTPOINT,
+	BEAM_ENTS,
+	BEAM_HOSE,
+};
+
+#define BEAM_FSINE		0x10
+#define BEAM_FSOLID		0x20
+#define BEAM_FSHADEIN	0x40
+#define BEAM_FSHADEOUT	0x80
+
+#endif	//CUSTOMENTITY_H

engine/d_local.h

@@ -0,0 +1,46 @@
+/*
+*
+*    This program is free software; you can redistribute it and/or modify it
+*    under the terms of the GNU General Public License as published by the
+*    Free Software Foundation; either version 2 of the License, or (at
+*    your option) any later version.
+*
+*    This program is distributed in the hope that it will be useful, but
+*    WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*    You should have received a copy of the GNU General Public License
+*    along with this program; if not, write to the Free Software Foundation,
+*    Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*
+*    In addition, as a special exception, the author gives permission to
+*    link the code of this program with the Half-Life Game Engine ("HL
+*    Engine") and Modified Game Libraries ("MODs") developed by Valve,
+*    L.L.C ("Valve").  You must obey the GNU General Public License in all
+*    respects for all of the code used other than the HL Engine and MODs
+*    from Valve.  If you modify this file, you may extend this exception
+*    to your version of the file, but you are not obligated to do so.  If
+*    you do not wish to do so, delete this exception statement from your
+*    version.
+*
+*/
+
+#pragma once
+
+
+
+/* <82286> ../engine/d_local.h:20 */
+typedef struct surfcache_s
+{
+	struct surfcache_s *next;
+	struct surfcache_s **owner;
+	int				lightadj[4];
+	int				dlight;
+	int				size;
+	unsigned		width;
+	unsigned		height;
+	float			mipscale;
+	struct texture_s *texture;
+	unsigned char	data[4];
+} surfcache_t;

engine/edict.h

@@ -0,0 +1,36 @@
+//========= Copyright © 1996-2002, Valve LLC, All rights reserved. ============
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================
+
+#if !defined EDICT_H
+#define EDICT_H
+#ifdef _WIN32
+#pragma once
+#endif
+#define	MAX_ENT_LEAFS	48
+
+#include "progdefs.h"
+
+struct edict_s
+{
+	qboolean	free;
+	int			serialnumber;
+	link_t		area;				// linked to a division node or leaf
+	
+	int			headnode;			// -1 to use normal leaf check
+	int			num_leafs;
+	short		leafnums[MAX_ENT_LEAFS];
+
+	float		freetime;			// sv.time when the object was freed
+
+	void*		pvPrivateData;		// Alloced and freed by engine, used by DLLs
+
+	entvars_t	v;					// C exported fields from progs
+
+	// other fields from progs come immediately after
+};
+
+#endif

engine/eiface.h

@@ -0,0 +1,536 @@
+/***
+*
+*	Copyright (c) 1999, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+#pragma once
+
+#include "archtypes.h"     // DAL
+
+#ifdef HLDEMO_BUILD
+#define INTERFACE_VERSION       001
+#else  // !HLDEMO_BUILD, i.e., regular version of HL
+#define INTERFACE_VERSION		140
+#endif // !HLDEMO_BUILD
+
+#include <stdio.h>
+#include "custom.h"
+#include "cvardef.h"
+#include "Sequence.h"
+//
+// Defines entity interface between engine and DLLs.
+// This header file included by engine files and DLL files.
+//
+// Before including this header, DLLs must:
+//		include progdefs.h
+// This is conveniently done for them in extdll.h
+//
+
+/*
+#ifdef _WIN32
+#define DLLEXPORT __stdcall
+#else
+#define DLLEXPORT  __attribute__ ((visibility("default")))
+#endif
+*/
+
+enum ALERT_TYPE
+{
+	at_notice,
+	at_console,		// same as at_notice, but forces a ConPrintf, not a message box
+	at_aiconsole,	// same as at_console, but only shown if developer level is 2!
+	at_warning,
+	at_error,
+	at_logged		// Server print to console ( only in multiplayer games ).
+};
+
+// 4-22-98  JOHN: added for use in pfnClientPrintf
+enum PRINT_TYPE
+{
+	print_console,
+	print_center,
+	print_chat,
+};
+
+// For integrity checking of content on clients
+enum FORCE_TYPE
+{
+	force_exactfile,					// File on client must exactly match server's file
+	force_model_samebounds,				// For model files only, the geometry must fit in the same bbox
+	force_model_specifybounds,			// For model files only, the geometry must fit in the specified bbox
+	force_model_specifybounds_if_avail,	// For Steam model files only, the geometry must fit in the specified bbox (if the file is available)
+};
+
+// Returned by TraceLine
+struct TraceResult
+{
+	int		fAllSolid;			// if true, plane is not valid
+	int		fStartSolid;		// if true, the initial point was in a solid area
+	int		fInOpen;
+	int		fInWater;
+	float	flFraction;			// time completed, 1.0 = didn't hit anything
+	vec3_t	vecEndPos;			// final position
+	float	flPlaneDist;
+	vec3_t	vecPlaneNormal;		// surface normal at impact
+	edict_t	*pHit;				// entity the surface is on
+	int		iHitgroup;			// 0 == generic, non zero is specific body part
+};
+
+// CD audio status
+typedef struct 
+{
+	int	fPlaying;// is sound playing right now?
+	int	fWasPlaying;// if not, CD is paused if WasPlaying is true.
+	int	fInitialized;
+	int	fEnabled;
+	int	fPlayLooping;
+	float	cdvolume;
+	//BYTE 	remap[100];
+	int	fCDRom;
+	int	fPlayTrack;
+} CDStatus;
+
+#include "../common/crc.h"
+
+
+// Engine hands this to DLLs for functionality callbacks
+typedef struct enginefuncs_s
+{
+	int			(*pfnPrecacheModel)			(const char* s);
+	int			(*pfnPrecacheSound)			(const char* s);
+	void		(*pfnSetModel)				(edict_t *e, const char *m);
+	int			(*pfnModelIndex)			(const char *m);
+	int			(*pfnModelFrames)			(int modelIndex);
+	void		(*pfnSetSize)				(edict_t *e, const float *rgflMin, const float *rgflMax);
+	void		(*pfnChangeLevel)			(const char* s1, const char* s2);
+	void		(*pfnGetSpawnParms)			(edict_t *ent);
+	void		(*pfnSaveSpawnParms)		(edict_t *ent);
+	float		(*pfnVecToYaw)				(const float *rgflVector);
+	void		(*pfnVecToAngles)			(const float *rgflVectorIn, float *rgflVectorOut);
+	void		(*pfnMoveToOrigin)			(edict_t *ent, const float *pflGoal, float dist, int iMoveType);
+	void		(*pfnChangeYaw)				(edict_t* ent);
+	void		(*pfnChangePitch)			(edict_t* ent);
+	edict_t*	(*pfnFindEntityByString)	(edict_t *pEdictStartSearchAfter, const char *pszField, const char *pszValue);
+	int			(*pfnGetEntityIllum)		(edict_t* pEnt);
+	edict_t*	(*pfnFindEntityInSphere)	(edict_t *pEdictStartSearchAfter, const float *org, float rad);
+	edict_t*	(*pfnFindClientInPVS)		(edict_t *pEdict);
+	edict_t* (*pfnEntitiesInPVS)			(edict_t *pplayer);
+	void		(*pfnMakeVectors)			(const float *rgflVector);
+	void		(*pfnAngleVectors)			(const float *rgflVector, float *forward, float *right, float *up);
+	edict_t*	(*pfnCreateEntity)			(void);
+	void		(*pfnRemoveEntity)			(edict_t* e);
+	edict_t*	(*pfnCreateNamedEntity)		(int className);
+	void		(*pfnMakeStatic)			(edict_t *ent);
+	int			(*pfnEntIsOnFloor)			(edict_t *e);
+	int			(*pfnDropToFloor)			(edict_t* e);
+	int			(*pfnWalkMove)				(edict_t *ent, float yaw, float dist, int iMode);
+	void		(*pfnSetOrigin)				(edict_t *e, const float *rgflOrigin);
+	void		(*pfnEmitSound)				(edict_t *entity, int channel, const char *sample, /*int*/float volume, float attenuation, int fFlags, int pitch);
+	void		(*pfnEmitAmbientSound)		(edict_t *entity, float *pos, const char *samp, float vol, float attenuation, int fFlags, int pitch);
+	void		(*pfnTraceLine)				(const float *v1, const float *v2, int fNoMonsters, edict_t *pentToSkip, TraceResult *ptr);
+	void		(*pfnTraceToss)				(edict_t* pent, edict_t* pentToIgnore, TraceResult *ptr);
+	int			(*pfnTraceMonsterHull)		(edict_t *pEdict, const float *v1, const float *v2, int fNoMonsters, edict_t *pentToSkip, TraceResult *ptr);
+	void		(*pfnTraceHull)				(const float *v1, const float *v2, int fNoMonsters, int hullNumber, edict_t *pentToSkip, TraceResult *ptr);
+	void		(*pfnTraceModel)			(const float *v1, const float *v2, int hullNumber, edict_t *pent, TraceResult *ptr);
+	const char *(*pfnTraceTexture)			(edict_t *pTextureEntity, const float *v1, const float *v2 );
+	void		(*pfnTraceSphere)			(const float *v1, const float *v2, int fNoMonsters, float radius, edict_t *pentToSkip, TraceResult *ptr);
+	void		(*pfnGetAimVector)			(edict_t* ent, float speed, float *rgflReturn);
+	void		(*pfnServerCommand)			(char* str);
+	void		(*pfnServerExecute)			(void);
+	void		(*pfnClientCommand)			(edict_t* pEdict, char* szFmt, ...);
+	void		(*pfnParticleEffect)		(const float *org, const float *dir, float color, float count);
+	void		(*pfnLightStyle)			(int style, char* val);
+	int			(*pfnDecalIndex)			(const char *name);
+	int			(*pfnPointContents)			(const float *rgflVector);
+	void		(*pfnMessageBegin)			(int msg_dest, int msg_type, const float *pOrigin, edict_t *ed);
+	void		(*pfnMessageEnd)			(void);
+	void		(*pfnWriteByte)				(int iValue);
+	void		(*pfnWriteChar)				(int iValue);
+	void		(*pfnWriteShort)			(int iValue);
+	void		(*pfnWriteLong)				(int iValue);
+	void		(*pfnWriteAngle)			(float flValue);
+	void		(*pfnWriteCoord)			(float flValue);
+	void		(*pfnWriteString)			(const char *sz);
+	void		(*pfnWriteEntity)			(int iValue);
+	void		(*pfnCVarRegister)			(cvar_t *pCvar);
+	float		(*pfnCVarGetFloat)			(const char *szVarName);
+	const char*	(*pfnCVarGetString)			(const char *szVarName);
+	void		(*pfnCVarSetFloat)			(const char *szVarName, float flValue);
+	void		(*pfnCVarSetString)			(const char *szVarName, const char *szValue);
+	void		(*pfnAlertMessage)			(ALERT_TYPE atype, const char *szFmt, ...);
+	void		(*pfnEngineFprintf)			(void *pfile, const char *szFmt, ...);
+	void*		(*pfnPvAllocEntPrivateData)	(edict_t *pEdict, int32 cb);
+	void*		(*pfnPvEntPrivateData)		(edict_t *pEdict);
+	void		(*pfnFreeEntPrivateData)	(edict_t *pEdict);
+	const char*	(*pfnSzFromIndex)			(int iString);
+	int			(*pfnAllocString)			(const char *szValue);
+	struct entvars_s*	(*pfnGetVarsOfEnt)			(edict_t *pEdict);
+	edict_t*	(*pfnPEntityOfEntOffset)	(int iEntOffset);
+	int			(*pfnEntOffsetOfPEntity)	(const edict_t *pEdict);
+	int			(*pfnIndexOfEdict)			(const edict_t *pEdict);
+	edict_t*	(*pfnPEntityOfEntIndex)		(int iEntIndex);
+	edict_t*	(*pfnFindEntityByVars)		(struct entvars_s* pvars);
+	void*		(*pfnGetModelPtr)			(edict_t* pEdict);
+	int			(*pfnRegUserMsg)			(const char *pszName, int iSize);
+	void		(*pfnAnimationAutomove)		(const edict_t* pEdict, float flTime);
+	void		(*pfnGetBonePosition)		(const edict_t* pEdict, int iBone, float *rgflOrigin, float *rgflAngles );
+	uint32 (*pfnFunctionFromName)	( const char *pName );
+	const char *(*pfnNameForFunction)		( uint32 function );
+	void		(*pfnClientPrintf)			( edict_t* pEdict, PRINT_TYPE ptype, const char *szMsg ); // JOHN: engine callbacks so game DLL can print messages to individual clients
+	void		(*pfnServerPrint)			( const char *szMsg );
+	const char *(*pfnCmd_Args)				( void );		// these 3 added 
+	const char *(*pfnCmd_Argv)				( int argc );	// so game DLL can easily 
+	int			(*pfnCmd_Argc)				( void );		// access client 'cmd' strings
+	void		(*pfnGetAttachment)			(const edict_t *pEdict, int iAttachment, float *rgflOrigin, float *rgflAngles );
+	void		(*pfnCRC32_Init)			(CRC32_t *pulCRC);
+	void        (*pfnCRC32_ProcessBuffer)   (CRC32_t *pulCRC, void *p, int len);
+	void		(*pfnCRC32_ProcessByte)     (CRC32_t *pulCRC, unsigned char ch);
+	CRC32_t		(*pfnCRC32_Final)			(CRC32_t pulCRC);
+	int32		(*pfnRandomLong)			(int32  lLow,  int32  lHigh);
+	float		(*pfnRandomFloat)			(float flLow, float flHigh);
+	void		(*pfnSetView)				(const edict_t *pClient, const edict_t *pViewent );
+	float		(*pfnTime)					( void );
+	void		(*pfnCrosshairAngle)		(const edict_t *pClient, float pitch, float yaw);
+	byte *      (*pfnLoadFileForMe)         (char *filename, int *pLength);
+	void        (*pfnFreeFile)              (void *buffer);
+	void        (*pfnEndSection)            (const char *pszSectionName); // trigger_endsection
+	int 		(*pfnCompareFileTime)       (char *filename1, char *filename2, int *iCompare);
+	void        (*pfnGetGameDir)            (char *szGetGameDir);
+	void		(*pfnCvar_RegisterVariable) (cvar_t *variable);
+	void        (*pfnFadeClientVolume)      (const edict_t *pEdict, int fadePercent, int fadeOutSeconds, int holdTime, int fadeInSeconds);
+	void        (*pfnSetClientMaxspeed)     (edict_t *pEdict, float fNewMaxspeed);
+	edict_t *	(*pfnCreateFakeClient)		(const char *netname);	// returns NULL if fake client can't be created
+	void		(*pfnRunPlayerMove)			(edict_t *fakeclient, const float *viewangles, float forwardmove, float sidemove, float upmove, unsigned short buttons, byte impulse, byte msec );
+	int			(*pfnNumberOfEntities)		(void);
+	char*		(*pfnGetInfoKeyBuffer)		(edict_t *e);	// passing in NULL gets the serverinfo
+	char*		(*pfnInfoKeyValue)			(char *infobuffer, const char *key);
+	void		(*pfnSetKeyValue)			(char *infobuffer, const char *key, const char *value);
+	void		(*pfnSetClientKeyValue)		(int clientIndex, char *infobuffer, const char *key, const char *value);
+	int			(*pfnIsMapValid)			(char *filename);
+	void		(*pfnStaticDecal)			( const float *origin, int decalIndex, int entityIndex, int modelIndex );
+	int			(*pfnPrecacheGeneric)		(char* s);
+	int			(*pfnGetPlayerUserId)		(edict_t *e ); // returns the server assigned userid for this player.  useful for logging frags, etc.  returns -1 if the edict couldn't be found in the list of clients
+	void		(*pfnBuildSoundMsg)			(edict_t *entity, int channel, const char *sample, /*int*/float volume, float attenuation, int fFlags, int pitch, int msg_dest, int msg_type, const float *pOrigin, edict_t *ed);
+	int			(*pfnIsDedicatedServer)		(void);// is this a dedicated server?
+	cvar_t		*(*pfnCVarGetPointer)		(const char *szVarName);
+	unsigned int (*pfnGetPlayerWONId)		(edict_t *e); // returns the server assigned WONid for this player.  useful for logging frags, etc.  returns -1 if the edict couldn't be found in the list of clients
+
+	// YWB 8/1/99 TFF Physics additions
+	void		(*pfnInfo_RemoveKey)		( char *s, const char *key );
+	const char *(*pfnGetPhysicsKeyValue)	( const edict_t *pClient, const char *key );
+	void		(*pfnSetPhysicsKeyValue)	( const edict_t *pClient, const char *key, const char *value );
+	const char *(*pfnGetPhysicsInfoString)	( const edict_t *pClient );
+	unsigned short (*pfnPrecacheEvent)		( int type, const char*psz );
+	void		(*pfnPlaybackEvent)			( int flags, const edict_t *pInvoker, unsigned short eventindex, float delay, float *origin, float *angles, float fparam1, float fparam2, int iparam1, int iparam2, int bparam1, int bparam2 );
+
+	unsigned char *(*pfnSetFatPVS)			( float *org );
+	unsigned char *(*pfnSetFatPAS)			( float *org );
+
+	int			(*pfnCheckVisibility )		( edict_t *entity, unsigned char *pset );
+
+	void		(*pfnDeltaSetField)			( struct delta_s *pFields, const char *fieldname );
+	void		(*pfnDeltaUnsetField)		( struct delta_s *pFields, const char *fieldname );
+	void		(*pfnDeltaAddEncoder)		( char *name, void (*conditionalencode)( struct delta_s *pFields, const unsigned char *from, const unsigned char *to ) );
+	int			(*pfnGetCurrentPlayer)		( void );
+	int			(*pfnCanSkipPlayer)			( const edict_t *player );
+	int			(*pfnDeltaFindField)		( struct delta_s *pFields, const char *fieldname );
+	void		(*pfnDeltaSetFieldByIndex)	( struct delta_s *pFields, int fieldNumber );
+	void		(*pfnDeltaUnsetFieldByIndex)( struct delta_s *pFields, int fieldNumber );
+
+	void		(*pfnSetGroupMask)			( int mask, int op );
+
+	int			(*pfnCreateInstancedBaseline) ( int classname, struct entity_state_s *baseline );
+	void		(*pfnCvar_DirectSet)		( struct cvar_s *var, const char *value );
+
+	// Forces the client and server to be running with the same version of the specified file
+	//  ( e.g., a player model ).
+	// Calling this has no effect in single player
+	void		(*pfnForceUnmodified)		( FORCE_TYPE type, float *mins, float *maxs, const char *filename );
+
+	void		(*pfnGetPlayerStats)		( const edict_t *pClient, int *ping, int *packet_loss );
+
+	void		(*pfnAddServerCommand)		( char *cmd_name, void (*function) (void) );
+
+	// For voice communications, set which clients hear eachother.
+	// NOTE: these functions take player entity indices (starting at 1).
+	qboolean	(*pfnVoice_GetClientListening)(int iReceiver, int iSender);
+	qboolean	(*pfnVoice_SetClientListening)(int iReceiver, int iSender, qboolean bListen);
+
+	const char *(*pfnGetPlayerAuthId)		( edict_t *e );
+
+	// PSV: Added for CZ training map
+//	const char *(*pfnKeyNameForBinding)					( const char* pBinding );
+	
+	sequenceEntry_s*	(*pfnSequenceGet)				( const char* fileName, const char* entryName );
+	sentenceEntry_s*	(*pfnSequencePickSentence)		( const char* groupName, int pickMethod, int *picked );
+
+	// LH: Give access to filesize via filesystem
+	int			(*pfnGetFileSize)						( char *filename );
+
+	unsigned int (*pfnGetApproxWavePlayLen)				(const char *filepath);
+	// MDC: Added for CZ career-mode
+	int			(*pfnIsCareerMatch)						( void );
+
+	// BGC: return the number of characters of the localized string referenced by using "label"
+	int			(*pfnGetLocalizedStringLength)			(const char *label);
+
+	// BGC: added to facilitate persistent storage of tutor message decay values for
+	// different career game profiles.  Also needs to persist regardless of mp.dll being
+	// destroyed and recreated.
+	void		(*pfnRegisterTutorMessageShown)			(int mid);
+	int			(*pfnGetTimesTutorMessageShown)			(int mid);
+	void		(*pfnProcessTutorMessageDecayBuffer)	(int *buffer, int bufferLength);
+	void		(*pfnConstructTutorMessageDecayBuffer)	(int *buffer, int bufferLength);
+	void		(*pfnResetTutorMessageDecayData)		( void );
+
+	// Added 2005/08/11 (no SDK update):
+	void(*pfnQueryClientCvarValue)		(const edict_t *player, const char *cvarName);
+
+	// Added 2005/11/21 (no SDK update):
+	void(*pfnQueryClientCvarValue2)		(const edict_t *player, const char *cvarName, int requestID);
+
+	// Added 2009/06/19 (no SDK update):
+	int(*pfnEngCheckParm)				(const char *pchCmdLineToken, char **ppnext);
+} enginefuncs_t;
+
+
+// ONLY ADD NEW FUNCTIONS TO THE END OF THIS STRUCT.  INTERFACE VERSION IS FROZEN AT 138
+
+// Passed to pfnKeyValue
+typedef struct KeyValueData_s
+{
+	char		*szClassName;	// in: entity classname
+	char		*szKeyName;		// in: name of key
+	char		*szValue;		// in: value of key
+	qboolean	fHandled;		// out: DLL sets to true if key-value pair was understood
+} KeyValueData;
+
+
+typedef struct
+{
+	char		mapName[ 32 ];
+	char		landmarkName[ 32 ];
+	edict_t		*pentLandmark;
+	vec3_t		vecLandmarkOrigin;
+} LEVELLIST;
+#define MAX_LEVEL_CONNECTIONS	16		// These are encoded in the lower 16bits of ENTITYTABLE->flags
+
+typedef struct 
+{
+	int			id;				// Ordinal ID of this entity (used for entity <--> pointer conversions)
+	edict_t	*pent;			// Pointer to the in-game entity
+
+	int			location;		// Offset from the base data of this entity
+	int			size;			// Byte size of this entity's data
+	int			flags;			// This could be a short -- bit mask of transitions that this entity is in the PVS of
+	string_t	classname;		// entity class name
+
+} ENTITYTABLE;
+
+#define FENTTABLE_PLAYER		0x80000000
+#define FENTTABLE_REMOVED		0x40000000
+#define FENTTABLE_MOVEABLE		0x20000000
+#define FENTTABLE_GLOBAL		0x10000000
+
+typedef struct saverestore_s SAVERESTOREDATA;
+
+#ifdef _WIN32
+typedef 
+#endif
+struct saverestore_s
+{
+	char		*pBaseData;		// Start of all entity save data
+	char		*pCurrentData;	// Current buffer pointer for sequential access
+	int			size;			// Current data size
+	int			bufferSize;		// Total space for data
+	int			tokenSize;		// Size of the linear list of tokens
+	int			tokenCount;		// Number of elements in the pTokens table
+	char		**pTokens;		// Hash table of entity strings (sparse)
+	int			currentIndex;	// Holds a global entity table ID
+	int			tableCount;		// Number of elements in the entity table
+	int			connectionCount;// Number of elements in the levelList[]
+	ENTITYTABLE	*pTable;		// Array of ENTITYTABLE elements (1 for each entity)
+	LEVELLIST	levelList[ MAX_LEVEL_CONNECTIONS ];		// List of connections from this level
+
+	// smooth transition
+	int			fUseLandmark;
+	char		szLandmarkName[20];// landmark we'll spawn near in next level
+	vec3_t		vecLandmarkOffset;// for landmark transitions
+	float		time;
+	char		szCurrentMapName[32];	// To check global entities
+
+} 
+#ifdef _WIN32
+SAVERESTOREDATA 
+#endif
+;
+
+typedef enum _fieldtypes
+{
+	FIELD_FLOAT = 0,		// Any floating point value
+	FIELD_STRING,			// A string ID (return from ALLOC_STRING)
+	FIELD_ENTITY,			// An entity offset (EOFFSET)
+	FIELD_CLASSPTR,			// CBaseEntity *
+	FIELD_EHANDLE,			// Entity handle
+	FIELD_EVARS,			// EVARS *
+	FIELD_EDICT,			// edict_t *, or edict_t *  (same thing)
+	FIELD_VECTOR,			// Any vector
+	FIELD_POSITION_VECTOR,	// A world coordinate (these are fixed up across level transitions automagically)
+	FIELD_POINTER,			// Arbitrary data pointer... to be removed, use an array of FIELD_CHARACTER
+	FIELD_INTEGER,			// Any integer or enum
+	FIELD_FUNCTION,			// A class function pointer (Think, Use, etc)
+	FIELD_BOOLEAN,			// boolean, implemented as an int, I may use this as a hint for compression
+	FIELD_SHORT,			// 2 byte integer
+	FIELD_CHARACTER,		// a byte
+	FIELD_TIME,				// a floating point time (these are fixed up automatically too!)
+	FIELD_MODELNAME,		// Engine string that is a model name (needs precache)
+	FIELD_SOUNDNAME,		// Engine string that is a sound name (needs precache)
+
+	FIELD_TYPECOUNT,		// MUST BE LAST
+} FIELDTYPE;
+
+#if !defined(offsetof)  && !defined(GNUC)
+#define offsetof(s,m)	(size_t)&(((s *)0)->m)
+#endif
+
+#define _FIELD(type,name,fieldtype,count,flags)		{ fieldtype, #name, offsetof(type, name), count, flags }
+#define DEFINE_FIELD(type,name,fieldtype)			_FIELD(type, name, fieldtype, 1, 0)
+#define DEFINE_ARRAY(type,name,fieldtype,count)		_FIELD(type, name, fieldtype, count, 0)
+#define DEFINE_ENTITY_FIELD(name,fieldtype)			_FIELD(entvars_t, name, fieldtype, 1, 0 )
+#define DEFINE_ENTITY_GLOBAL_FIELD(name,fieldtype)	_FIELD(entvars_t, name, fieldtype, 1, FTYPEDESC_GLOBAL )
+#define DEFINE_GLOBAL_FIELD(type,name,fieldtype)	_FIELD(type, name, fieldtype, 1, FTYPEDESC_GLOBAL )
+
+
+#define FTYPEDESC_GLOBAL			0x0001		// This field is masked for global entity save/restore
+
+typedef struct 
+{
+	FIELDTYPE		fieldType;
+	char			*fieldName;
+	int				fieldOffset;
+	short			fieldSize;
+	short			flags;
+} TYPEDESCRIPTION;
+
+#ifndef ARRAYSIZE
+#define ARRAYSIZE(p)		(sizeof(p)/sizeof(p[0]))
+#endif
+
+typedef struct 
+{
+	// Initialize/shutdown the game (one-time call after loading of game .dll )
+	void			(*pfnGameInit)			( void );				
+	int				(*pfnSpawn)				( edict_t *pent );
+	void			(*pfnThink)				( edict_t *pent );
+	void			(*pfnUse)				( edict_t *pentUsed, edict_t *pentOther );
+	void			(*pfnTouch)				( edict_t *pentTouched, edict_t *pentOther );
+	void			(*pfnBlocked)			( edict_t *pentBlocked, edict_t *pentOther );
+	void			(*pfnKeyValue)			( edict_t *pentKeyvalue, KeyValueData *pkvd );
+	void			(*pfnSave)				( edict_t *pent, SAVERESTOREDATA *pSaveData );
+	int 			(*pfnRestore)			( edict_t *pent, SAVERESTOREDATA *pSaveData, int globalEntity );
+	void			(*pfnSetAbsBox)			( edict_t *pent );
+
+	void			(*pfnSaveWriteFields)	( SAVERESTOREDATA *, const char *, void *, TYPEDESCRIPTION *, int );
+	void			(*pfnSaveReadFields)	( SAVERESTOREDATA *, const char *, void *, TYPEDESCRIPTION *, int );
+
+	void			(*pfnSaveGlobalState)		( SAVERESTOREDATA * );
+	void			(*pfnRestoreGlobalState)	( SAVERESTOREDATA * );
+	void			(*pfnResetGlobalState)		( void );
+
+	qboolean		(*pfnClientConnect)		( edict_t *pEntity, const char *pszName, const char *pszAddress, char szRejectReason[ 128 ] );
+	
+	void			(*pfnClientDisconnect)	( edict_t *pEntity );
+	void			(*pfnClientKill)		( edict_t *pEntity );
+	void			(*pfnClientPutInServer)	( edict_t *pEntity );
+	void			(*pfnClientCommand)		( edict_t *pEntity );
+	void			(*pfnClientUserInfoChanged)( edict_t *pEntity, char *infobuffer );
+
+	void			(*pfnServerActivate)	( edict_t *pEdictList, int edictCount, int clientMax );
+	void			(*pfnServerDeactivate)	( void );
+
+	void			(*pfnPlayerPreThink)	( edict_t *pEntity );
+	void			(*pfnPlayerPostThink)	( edict_t *pEntity );
+
+	void			(*pfnStartFrame)		( void );
+	void			(*pfnParmsNewLevel)		( void );
+	void			(*pfnParmsChangeLevel)	( void );
+
+	 // Returns string describing current .dll.  E.g., TeamFotrress 2, Half-Life
+	const char     *(*pfnGetGameDescription)( void );     
+
+	// Notify dll about a player customization.
+	void            (*pfnPlayerCustomization) ( edict_t *pEntity, customization_t *pCustom );  
+
+	// Spectator funcs
+	void			(*pfnSpectatorConnect)		( edict_t *pEntity );
+	void			(*pfnSpectatorDisconnect)	( edict_t *pEntity );
+	void			(*pfnSpectatorThink)		( edict_t *pEntity );
+
+	// Notify game .dll that engine is going to shut down.  Allows mod authors to set a breakpoint.
+	void			(*pfnSys_Error)			( const char *error_string );
+
+	void			(*pfnPM_Move) ( struct playermove_s *ppmove, qboolean server );
+	void			(*pfnPM_Init) ( struct playermove_s *ppmove );
+	char			(*pfnPM_FindTextureType)( char *name );
+	void			(*pfnSetupVisibility)( struct edict_s *pViewEntity, struct edict_s *pClient, unsigned char **pvs, unsigned char **pas );
+	void			(*pfnUpdateClientData) ( const struct edict_s *ent, int sendweapons, struct clientdata_s *cd );
+	int				(*pfnAddToFullPack)( struct entity_state_s *state, int e, edict_t *ent, edict_t *host, int hostflags, int player, unsigned char *pSet );
+	void			(*pfnCreateBaseline) ( int player, int eindex, struct entity_state_s *baseline, struct edict_s *entity, int playermodelindex, vec3_t player_mins, vec3_t player_maxs );
+	void			(*pfnRegisterEncoders)	( void );
+	int				(*pfnGetWeaponData)		( struct edict_s *player, struct weapon_data_s *info );
+
+	void			(*pfnCmdStart)			( const edict_t *player, const struct usercmd_s *cmd, unsigned int random_seed );
+	void			(*pfnCmdEnd)			( const edict_t *player );
+
+	// Return 1 if the packet is valid.  Set response_buffer_size if you want to send a response packet.  Incoming, it holds the max
+	//  size of the response_buffer, so you must zero it out if you choose not to respond.
+	int				(*pfnConnectionlessPacket )	( const struct netadr_s *net_from, const char *args, char *response_buffer, int *response_buffer_size );
+
+	// Enumerates player hulls.  Returns 0 if the hull number doesn't exist, 1 otherwise
+	int				(*pfnGetHullBounds)	( int hullnumber, float *mins, float *maxs );
+
+	// Create baselines for certain "unplaced" items.
+	void			(*pfnCreateInstancedBaselines) ( void );
+
+	// One of the pfnForceUnmodified files failed the consistency check for the specified player
+	// Return 0 to allow the client to continue, 1 to force immediate disconnection ( with an optional disconnect message of up to 256 characters )
+	int				(*pfnInconsistentFile)( const struct edict_s *player, const char *filename, char *disconnect_message );
+
+	// The game .dll should return 1 if lag compensation should be allowed ( could also just set
+	//  the sv_unlag cvar.
+	// Most games right now should return 0, until client-side weapon prediction code is written
+	//  and tested for them.
+	int				(*pfnAllowLagCompensation)( void );
+} DLL_FUNCTIONS;
+
+extern DLL_FUNCTIONS		gEntityInterface;
+
+// Current version.
+#define NEW_DLL_FUNCTIONS_VERSION	1
+
+typedef struct
+{
+	// Called right before the object's memory is freed. 
+	// Calls its destructor.
+	void			(*pfnOnFreeEntPrivateData)(edict_t *pEnt);
+	void			(*pfnGameShutdown)(void);
+	int				(*pfnShouldCollide)( edict_t *pentTouched, edict_t *pentOther );
+	void			(*pfnCvarValue)( const edict_t *pEnt, const char *value );
+    void            (*pfnCvarValue2)( const edict_t *pEnt, int requestID, const char *cvarName, const char *value );
+} NEW_DLL_FUNCTIONS;
+typedef int(*NEW_DLL_FUNCTIONS_FN)(NEW_DLL_FUNCTIONS *pFunctionTable, int *interfaceVersion);
+
+// Pointers will be null if the game DLL doesn't support this API.
+extern NEW_DLL_FUNCTIONS	gNewDLLFunctions;
+
+typedef int(*APIFUNCTION)(DLL_FUNCTIONS *pFunctionTable, int interfaceVersion);
+typedef int(*APIFUNCTION2)(DLL_FUNCTIONS *pFunctionTable, int *interfaceVersion);

engine/hookchains.h

@@ -0,0 +1,69 @@
+/*
+*
+*    This program is free software; you can redistribute it and/or modify it
+*    under the terms of the GNU General Public License as published by the
+*    Free Software Foundation; either version 2 of the License, or (at
+*    your option) any later version.
+*
+*    This program is distributed in the hope that it will be useful, but
+*    WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*    You should have received a copy of the GNU General Public License
+*    along with this program; if not, write to the Free Software Foundation,
+*    Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*
+*    In addition, as a special exception, the author gives permission to
+*    link the code of this program with the Half-Life Game Engine ("HL
+*    Engine") and Modified Game Libraries ("MODs") developed by Valve,
+*    L.L.C ("Valve").  You must obey the GNU General Public License in all
+*    respects for all of the code used other than the HL Engine and MODs
+*    from Valve.  If you modify this file, you may extend this exception
+*    to your version of the file, but you are not obligated to do so.  If
+*    you do not wish to do so, delete this exception statement from your
+*    version.
+*
+*/
+#pragma once
+
+template<typename t_ret, typename ...t_args>
+class IHookChain {
+protected:
+	virtual ~IHookChain() {}
+
+public:
+	virtual t_ret callNext(t_args... args) = 0;
+	virtual t_ret callOriginal(t_args... args) = 0;
+};
+
+template<typename ...t_args>
+class IVoidHookChain
+{
+protected:
+	virtual ~IVoidHookChain() {}
+
+public:
+	virtual void callNext(t_args... args) = 0;
+	virtual void callOriginal(t_args... args) = 0;
+};
+
+// Hook chain registry(for hooks [un]registration)
+template<typename t_ret, typename ...t_args>
+class IHookChainRegistry {
+public:
+	typedef t_ret(*hookfunc_t)(IHookChain<t_ret, t_args...>*, t_args...);
+
+	virtual void registerHook(hookfunc_t hook) = 0;
+	virtual void unregisterHook(hookfunc_t hook) = 0;
+};
+
+// Hook chain registry(for hooks [un]registration)
+template<typename ...t_args>
+class IVoidHookChainRegistry {
+public:
+	typedef void(*hookfunc_t)(IVoidHookChain<t_args...>*, t_args...);
+
+	virtual void registerHook(hookfunc_t hook) = 0;
+	virtual void unregisterHook(hookfunc_t hook) = 0;
+};

engine/keydefs.h

@@ -0,0 +1,131 @@
+//========= Copyright © 1996-2002, Valve LLC, All rights reserved. ============
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================
+
+// keydefs.h
+#ifndef KEYDEFS_H
+#define KEYDEFS_H
+#ifdef _WIN32
+#ifndef __MINGW32__
+#pragma once
+#endif /* not __MINGW32__ */
+#endif
+
+//
+// these are the key numbers that should be passed to Key_Event
+//
+#define	K_TAB			9
+#define	K_ENTER			13
+#define	K_ESCAPE		27
+#define	K_SPACE			32
+
+// normal keys should be passed as lowercased ascii
+
+#define	K_BACKSPACE		127
+#define	K_UPARROW		128
+#define	K_DOWNARROW		129
+#define	K_LEFTARROW		130
+#define	K_RIGHTARROW	131
+
+#define	K_ALT			132
+#define	K_CTRL			133
+#define	K_SHIFT			134
+#define	K_F1			135
+#define	K_F2			136
+#define	K_F3			137
+#define	K_F4			138
+#define	K_F5			139
+#define	K_F6			140
+#define	K_F7			141
+#define	K_F8			142
+#define	K_F9			143
+#define	K_F10			144
+#define	K_F11			145
+#define	K_F12			146
+#define	K_INS			147
+#define	K_DEL			148
+#define	K_PGDN			149
+#define	K_PGUP			150
+#define	K_HOME			151
+#define	K_END			152
+
+#define K_KP_HOME		160
+#define K_KP_UPARROW	161
+#define K_KP_PGUP		162
+#define	K_KP_LEFTARROW	163
+#define K_KP_5			164
+#define K_KP_RIGHTARROW	165
+#define K_KP_END		166
+#define K_KP_DOWNARROW	167
+#define K_KP_PGDN		168
+#define	K_KP_ENTER		169
+#define K_KP_INS   		170
+#define	K_KP_DEL		171
+#define K_KP_SLASH		172
+#define K_KP_MINUS		173
+#define K_KP_PLUS		174
+#define K_CAPSLOCK		175
+
+
+//
+// joystick buttons
+//
+#define	K_JOY1			203
+#define	K_JOY2			204
+#define	K_JOY3			205
+#define	K_JOY4			206
+
+//
+// aux keys are for multi-buttoned joysticks to generate so they can use
+// the normal binding process
+//
+#define	K_AUX1			207
+#define	K_AUX2			208
+#define	K_AUX3			209
+#define	K_AUX4			210
+#define	K_AUX5			211
+#define	K_AUX6			212
+#define	K_AUX7			213
+#define	K_AUX8			214
+#define	K_AUX9			215
+#define	K_AUX10			216
+#define	K_AUX11			217
+#define	K_AUX12			218
+#define	K_AUX13			219
+#define	K_AUX14			220
+#define	K_AUX15			221
+#define	K_AUX16			222
+#define	K_AUX17			223
+#define	K_AUX18			224
+#define	K_AUX19			225
+#define	K_AUX20			226
+#define	K_AUX21			227
+#define	K_AUX22			228
+#define	K_AUX23			229
+#define	K_AUX24			230
+#define	K_AUX25			231
+#define	K_AUX26			232
+#define	K_AUX27			233
+#define	K_AUX28			234
+#define	K_AUX29			235
+#define	K_AUX30			236
+#define	K_AUX31			237
+#define	K_AUX32			238
+#define K_MWHEELDOWN	239
+#define K_MWHEELUP		240
+
+#define K_PAUSE			255
+
+//
+// mouse buttons generate virtual keys
+//
+#define	K_MOUSE1		241
+#define	K_MOUSE2		242
+#define	K_MOUSE3		243
+#define K_MOUSE4		244
+#define K_MOUSE5		245
+
+#endif // KEYDEFS_H

engine/maintypes.h

@@ -0,0 +1,52 @@
+/*
+*
+*    This program is free software; you can redistribute it and/or modify it
+*    under the terms of the GNU General Public License as published by the
+*    Free Software Foundation; either version 2 of the License, or (at
+*    your option) any later version.
+*
+*    This program is distributed in the hope that it will be useful, but
+*    WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*    You should have received a copy of the GNU General Public License
+*    along with this program; if not, write to the Free Software Foundation,
+*    Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*
+*    In addition, as a special exception, the author gives permission to
+*    link the code of this program with the Half-Life Game Engine ("HL
+*    Engine") and Modified Game Libraries ("MODs") developed by Valve,
+*    L.L.C ("Valve").  You must obey the GNU General Public License in all
+*    respects for all of the code used other than the HL Engine and MODs
+*    from Valve.  If you modify this file, you may extend this exception
+*    to your version of the file, but you are not obligated to do so.  If
+*    you do not wish to do so, delete this exception statement from your
+*    version.
+*
+*/
+
+#ifndef MAINTYPES_H
+#define MAINTYPES_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "osconfig.h"
+#include "mathlib.h"
+
+
+// Has no references on server side.
+#define NOXREF
+// Function body is not implemented.
+#define NOBODY
+// Function is not tested at all.
+#define UNTESTED
+
+#define BIT(n) (1<<(n))
+
+
+typedef unsigned int string_t;		// from engine's pr_comp.h;
+
+#endif // MAINTYPES_H

engine/model.h

@@ -0,0 +1,415 @@
+/*
+*
+*    This program is free software; you can redistribute it and/or modify it
+*    under the terms of the GNU General Public License as published by the
+*    Free Software Foundation; either version 2 of the License, or (at
+*    your option) any later version.
+*
+*    This program is distributed in the hope that it will be useful, but
+*    WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*    You should have received a copy of the GNU General Public License
+*    along with this program; if not, write to the Free Software Foundation,
+*    Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*
+*    In addition, as a special exception, the author gives permission to
+*    link the code of this program with the Half-Life Game Engine ("HL
+*    Engine") and Modified Game Libraries ("MODs") developed by Valve,
+*    L.L.C ("Valve").  You must obey the GNU General Public License in all
+*    respects for all of the code used other than the HL Engine and MODs
+*    from Valve.  If you modify this file, you may extend this exception
+*    to your version of the file, but you are not obligated to do so.  If
+*    you do not wish to do so, delete this exception statement from your
+*    version.
+*
+*/
+#pragma once
+
+#include "const.h"
+#include "modelgen.h"
+#include "spritegn.h"
+#include "bspfile.h"
+#include "crc.h"
+#include "com_model.h"
+
+#define	SURF_PLANEBACK		2
+#define	SURF_DRAWSKY		4
+#define SURF_DRAWSPRITE		8
+#define SURF_DRAWTURB		0x10
+#define SURF_DRAWTILED		0x20
+#define SURF_DRAWBACKGROUND	0x40 
+#define ALIAS_MODEL_VERSION	0x006
+
+#define MAX_MODEL_NAME		64
+#define MIPLEVELS			4
+#define NUM_AMBIENTS		4		// automatic ambient sounds
+#define MAXLIGHTMAPS		4
+#define MAX_KNOWN_MODELS	1024
+
+/* <6816> ../engine/model.h:27 */
+typedef struct mvertex_s
+{
+	vec3_t			position;
+} mvertex_t;
+
+/* <6838> ../engine/model.h:39 */
+typedef struct mplane_s
+{
+	vec3_t			normal;			// surface normal
+	float			dist;			// closest appoach to origin
+	byte			type;			// for texture axis selection and fast side tests
+	byte			signbits;		// signx + signy<<1 + signz<<1
+	byte			pad[2];
+} mplane_t;
+
+/* <68a6> ../engine/model.h:48 */
+typedef struct texture_s
+{
+	char			name[16];
+	unsigned		width, height;
+	int				anim_total;			// total tenths in sequence ( 0 = no)
+	int				anim_min, anim_max;	// time for this frame min <=time< max
+	struct texture_s *anim_next;		// in the animation sequence
+	struct texture_s *alternate_anims;	// bmodels in frame 1 use these
+	unsigned		offsets[MIPLEVELS];	// four mip maps stored
+	unsigned		paloffset;
+} texture_t;
+
+/* <6950> ../engine/model.h:71 */
+typedef struct medge_s
+{
+	unsigned short	v[2];
+	unsigned int	cachededgeoffset;
+} medge_t;
+
+/* <697e> ../engine/model.h:78 */
+typedef struct mtexinfo_s
+{
+	float			vecs[2][4];		// [s/t] unit vectors in world space. 
+									// [i][3] is the s/t offset relative to the origin.
+									// s or t = dot(3Dpoint,vecs[i])+vecs[i][3]
+	float			mipadjust;		// ?? mipmap limits for very small surfaces
+	texture_t		*texture;
+	int				flags;			// sky or slime, no lightmap or 256 subdivision
+} mtexinfo_t;
+#define	TEX_SPECIAL		1		// sky or slime, no lightmap or 256 subdivision
+
+/* <69d0> ../engine/model.h:91 */
+typedef struct msurface_s msurface_t;
+/* <1db66> ../engine/model.h:92 */
+typedef struct decal_s decal_t;
+
+// JAY: Compress this as much as possible
+/* <1db71> ../engine/model.h:96 */
+struct decal_s
+{
+	decal_t			*pnext;			// linked list for each surface
+	msurface_t		*psurface;		// Surface id for persistence / unlinking
+	short			dx;				// Offsets into surface texture (in texture coordinates, so we don't need floats)
+	short			dy;
+	short			texture;		// Decal texture
+	byte			scale;			// Pixel scale
+	byte			flags;			// Decal flags
+
+	short			entityIndex;	// Entity this is attached to
+};
+
+/* <69db> ../engine/model.h:118 */
+struct msurface_s
+{
+	int				visframe;		// should be drawn when node is crossed
+
+	int				dlightframe;	// last frame the surface was checked by an animated light
+	int				dlightbits;		// dynamically generated. Indicates if the surface illumination
+									// is modified by an animated light.
+
+	mplane_t		*plane;			// pointer to shared plane
+	int				flags;			// see SURF_ #defines
+
+	int				firstedge;	// look up in model->surfedges[], negative numbers
+	int				numedges;	// are backwards edges
+
+	// surface generation data
+	struct surfcache_s *cachespots[MIPLEVELS];
+
+	short			texturemins[2]; // smallest s/t position on the surface.
+	short			extents[2];		// ?? s/t texture size, 1..256 for all non-sky surfaces
+
+	mtexinfo_t		*texinfo;
+
+	// lighting info
+	byte			styles[MAXLIGHTMAPS];	// index into d_lightstylevalue[] for animated lights
+											// no one surface can be effected by more than 4
+											// animated lights.
+	color24			*samples;
+
+	decal_t			*pdecals;
+};
+
+/* <6b6c> ../engine/model.h:149 */
+typedef struct mnode_s
+{
+	// common with leaf
+	int				contents;		// 0, to differentiate from leafs
+	int				visframe;		// node needs to be traversed if current
+
+	short			minmaxs[6];		// for bounding box culling
+
+	struct mnode_s	*parent;
+
+	// node specific
+	mplane_t		*plane;
+	struct mnode_s	*children[2];
+
+	unsigned short	firstsurface;
+	unsigned short	numsurfaces;
+} mnode_t;
+
+/* <1dcd4> ../engine/model.h:169 */
+typedef struct mleaf_s
+{
+	// common with node
+	int				contents;		// wil be a negative contents number
+	int				visframe;		// node needs to be traversed if current
+
+	short			minmaxs[6];		// for bounding box culling
+
+	struct mnode_s	*parent;
+
+	// leaf specific
+	byte			*compressed_vis;
+	struct efrag_s	*efrags;
+
+	msurface_t		**firstmarksurface;
+	int				nummarksurfaces;
+	int				key;			// BSP sequence number for leaf's contents
+	byte			ambient_sound_level[NUM_AMBIENTS];
+} mleaf_t;
+
+/* <1ddbe> ../engine/model.h:190 */
+typedef struct hull_s
+{
+	dclipnode_t		*clipnodes;
+	mplane_t		*planes;
+	int				firstclipnode;
+	int				lastclipnode;
+	vec3_t			clip_mins, clip_maxs;
+} hull_t;
+
+/* <4b3fe> ../engine/model.h:210 */
+typedef struct mspriteframe_t
+{
+	int				width;
+	int				height;
+	void			*pcachespot;
+	float			up, down, left, right;
+	byte			pixels[4];
+} mspriteframe_s;
+
+/* <4b485> ../engine/model.h:219 */
+typedef struct mspritegroup_s
+{
+	int				numframes;
+	float			*intervals;
+	mspriteframe_t	*frames[1];
+} mspritegroup_t;
+
+/* <4b4df> ../engine/model.h:226 */
+typedef struct mspriteframedesc_s
+{
+	spriteframetype_t type;
+	mspriteframe_t	*frameptr;
+} mspriteframedesc_t;
+
+/* <4b50f> ../engine/model.h:232 */
+typedef struct msprite_s
+{
+	short int		type;
+	short int		texFormat;
+	int				maxwidth, maxheight;
+	int				numframes;
+	int				paloffset;
+	float			beamlength;
+	void			*cachespot;
+	mspriteframedesc_t frames[1];
+} msprite_t;
+
+/* <4b5b5> ../engine/model.h:255 */
+typedef struct maliasframedesc_s
+{
+	aliasframetype_t type;
+	trivertx_t		bboxmin, bboxmax;
+	int				frame;
+	char			name[16];
+} maliasframedesc_t;
+
+/* <4b615> ../engine/model.h:264 */
+typedef struct maliasskindesc_s
+{
+	aliasskintype_t type;
+	void			*pcachespot;
+	int				skin;
+} maliasskindesc_t;
+
+/* <4b658> ../engine/model.h:271 */
+typedef struct maliasgroupframedesc_s
+{
+	trivertx_t		bboxmin, bboxmax;
+	int				frame;
+} maliasgroupframedesc_t;
+
+/* <4b69b> ../engine/model.h:278 */
+typedef struct maliasgroup_s
+{
+	int				numframes;
+	int				intervals;
+	maliasgroupframedesc_t frames[1];
+} maliasgroup_t;
+
+/* <4b6ee> ../engine/model.h:285 */
+typedef struct maliasskingroup_s
+{
+	int				numskins;
+	int				intervals;
+	maliasskindesc_t skindescs[1];
+} maliasskingroup_t;
+
+/* <4b741> ../engine/model.h:293 */
+typedef struct mtriangle_s
+{
+	int				facesfront;
+	int				vertindex[3];
+} mtriangle_t;
+
+/* <4b779> ../engine/model.h:298 */
+typedef struct aliashdr_s
+{
+	int				model;
+	int				stverts;
+	int				skindesc;
+	int				triangles;
+	int				palette;
+	maliasframedesc_t frames[1];
+} aliashdr_t;
+
+/* <1de30> ../engine/model.h:315 */
+typedef enum modtype_e
+{
+	mod_brush,
+	mod_sprite,
+	mod_alias,
+	mod_studio,
+} modtype_t;
+
+/* <1de5e> ../engine/model.h:331 */
+typedef struct model_s
+{
+	char			name[MAX_MODEL_NAME];
+
+	//TODO: qboolean? seriously?
+	int		needload;		// bmodels and sprites don't cache normally
+	
+	modtype_t		type;
+	int				numframes;
+	synctype_t		synctype;
+
+	int				flags;
+
+	//
+	// volume occupied by the model
+	//
+	vec3_t			mins, maxs;
+	float			radius;
+
+	//
+	// brush model
+	//
+	int				firstmodelsurface, nummodelsurfaces;
+
+	int				numsubmodels;
+	dmodel_t		*submodels;
+
+	int				numplanes;
+	mplane_t		*planes;
+
+	int				numleafs;		// number of visible leafs, not counting 0
+	struct mleaf_s	*leafs;
+
+	int				numvertexes;
+	mvertex_t		*vertexes;
+
+	int				numedges;
+	medge_t			*edges;
+
+	int				numnodes;
+	mnode_t			*nodes;
+
+	int				numtexinfo;
+	mtexinfo_t		*texinfo;
+
+	int				numsurfaces;
+	msurface_t		*surfaces;
+
+	int				numsurfedges;
+	int				*surfedges;
+
+	int				numclipnodes;
+	dclipnode_t		*clipnodes;
+
+	int				nummarksurfaces;
+	msurface_t		**marksurfaces;
+
+	hull_t			hulls[MAX_MAP_HULLS];
+
+	int				numtextures;
+	texture_t		**textures;
+
+	byte			*visdata;
+
+	color24			*lightdata;
+
+	char			*entities;
+
+	//
+	// additional model data
+	//
+	cache_user_t	cache;			// only access through Mod_Extradata
+} model_t;
+
+typedef struct cachepic_s
+{
+	char			name[64];
+	cache_user_t	cache;
+} cachepic_t;
+
+typedef struct cachewad_s cachewad_t;
+
+typedef void(*PFNCACHE)(cachewad_t *, unsigned char *);
+
+typedef struct cachewad_s
+{
+	char			*name;
+	cachepic_t		*cache;
+	int				cacheCount;
+	int				cacheMax;
+	struct lumpinfo_s *lumps;
+	int				lumpCount;
+	int				cacheExtra;
+	PFNCACHE		pfnCacheBuild;
+	int				numpaths;
+	char			**basedirs;
+	int				*lumppathindices;
+#ifndef SWDS
+	int				tempWad;
+#endif // SWDS
+} cachewad_t;
+
+typedef struct mod_known_info_s
+{
+	qboolean		shouldCRC;
+	qboolean		firstCRCDone;
+	CRC32_t			initialCRC;
+} mod_known_info_t;
+

engine/modelgen.h

@@ -0,0 +1,144 @@
+/*
+*
+*    This program is free software; you can redistribute it and/or modify it
+*    under the terms of the GNU General Public License as published by the
+*    Free Software Foundation; either version 2 of the License, or (at
+*    your option) any later version.
+*
+*    This program is distributed in the hope that it will be useful, but
+*    WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    General Public License for more details.
+*
+*    You should have received a copy of the GNU General Public License
+*    along with this program; if not, write to the Free Software Foundation,
+*    Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*
+*    In addition, as a special exception, the author gives permission to
+*    link the code of this program with the Half-Life Game Engine ("HL
+*    Engine") and Modified Game Libraries ("MODs") developed by Valve,
+*    L.L.C ("Valve").  You must obey the GNU General Public License in all
+*    respects for all of the code used other than the HL Engine and MODs
+*    from Valve.  If you modify this file, you may extend this exception
+*    to your version of the file, but you are not obligated to do so.  If
+*    you do not wish to do so, delete this exception statement from your
+*    version.
+*
+*/
+
+#ifndef MODELGEN_H
+#define MODELGEN_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+/* <67f6> ../engine/modelgen.h:37 */
+typedef enum synctype_e
+{
+	ST_SYNC = 0,
+	ST_RAND = 1,
+} synctype_t;
+
+/* <4abae> ../engine/modelgen.h:40 */
+typedef enum aliasframetype_s
+{
+	ALIAS_SINGLE = 0,
+	ALIAS_GROUP = 1,
+} aliasframetype_t;
+
+/* 203 */
+/* <4abce> ../engine/modelgen.h:42 */
+typedef enum aliasskintype_s
+{
+	ALIAS_SKIN_SINGLE = 0,
+	ALIAS_SKIN_GROUP = 1,
+} aliasskintype_t;
+
+/* <4abee> ../engine/modelgen.h:44 */
+typedef struct mdl_s
+{
+	int				ident;
+	int				version;
+	vec3_t			scale;
+	vec3_t			scale_origin;
+	float			boundingradius;
+	vec3_t			eyeposition;
+	int				numskins;
+	int				skinwidth;
+	int				skinheight;
+	int				numverts;
+	int				numtris;
+	int				numframes;
+	synctype_t		synctype;
+	int				flags;
+	float			size;
+} mdl_t;
+
+/* <4acd4> ../engine/modelgen.h:64 */
+typedef struct stvert_s
+{
+	int				onseam;
+	int				s;
+	int				t;
+} stvert_t;
+
+/* <4ad0e> ../engine/modelgen.h:70 */
+typedef struct dtriangle_s
+{
+	int				facesfront;
+	int				vertindex[3];
+} dtriangle_t;
+
+/* <4ad42> ../engine/modelgen.h:80 */
+typedef struct trivertx_s
+{
+	byte			v[3];
+	byte			lightnormalindex;
+} trivertx_t;
+
+/* <4ad80> ../engine/modelgen.h:85 */
+typedef struct daliasframe_s
+{
+	trivertx_t		bboxmin, bboxmax;
+	char			name[16];
+} daliasframe_t;
+
+/* <4adbe> ../engine/modelgen.h:91 */
+typedef struct daliasgroup_s
+{
+	int				numframes;
+	trivertx_t		bboxmin, bboxmax;
+} daliasgroup_t;
+
+/* <4adfc> ../engine/modelgen.h:97 */
+typedef struct daliasskingroup_s
+{
+	int				numskins;
+} daliasskingroup_t;
+
+/* <4ae1e> ../engine/modelgen.h:101 */
+typedef struct daliasinterval_s
+{
+	float			interval;
+} daliasinterval_t;
+
+/* <4ae40> ../engine/modelgen.h:105 */
+typedef struct daliasskininterval_s
+{
+	float			interval;
+} daliasskininterval_t;
+
+/* <4ae62> ../engine/modelgen.h:109 */
+typedef struct daliasframetype_s
+{
+	aliasframetype_t type;
+} daliasframetype_t;
+
+/* <4ae84> ../engine/modelgen.h:113 */
+typedef struct daliasskintype_s
+{
+	aliasskintype_t type;
+} daliasskintype_t;
+
+#endif // MODELGEN_H