ReHLDS API: Updated 3.3 (#506)

ReHLDS API: Add AddExtDll, RemoveExtDll, AddCvarListener, RemoveCvarListener, GetEntityInit, CreateFakeClient
Bump minor API version

gradle.properties

@@ -1,3 +1,3 @@
 majorVersion=3
-minorVersion=0
+minorVersion=3
 maintenanceVersion=0

rehlds/build.gradle

@@ -125,7 +125,7 @@ void setupToolchain(NativeBinarySpec b) {
 	}
 	b.lib LazyNativeDepSet.create(dep_bzip2, 'bzip2', b.buildType.name, true)
 
-	cfg.singleDefines 'USE_BREAKPAD_HANDLER', 'DEDICATED', 'SWDS', 'REHLDS_SELF', 'REHLDS_OPT_PEDANTIC', 'REHLDS_FLIGHT_REC'
+	cfg.singleDefines 'USE_BREAKPAD_HANDLER', 'DEDICATED', 'SWDS', 'REHLDS_SELF', 'REHLDS_OPT_PEDANTIC', 'REHLDS_FLIGHT_REC', 'REHLDS_API'
 
 	if (cfg instanceof MsvcToolchainConfig) {
 		cfg.compilerOptions.pchConfig = new MsvcToolchainConfig.PrecompiledHeadersConfig(

rehlds/common/cvardef.h

@@ -1,9 +1,9 @@
 /***
 *
 *	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
-*	
+*
-*	This product contains software technology licensed from Id 
+*	This product contains software technology licensed from Id
-*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	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
@@ -36,4 +36,15 @@ typedef struct cvar_s
 	struct cvar_s *next;
 } cvar_t;
 
+using cvar_callback_t = void (*)(const char *pszNewValue);
+
+struct cvar_listener_t
+{
+	cvar_listener_t(const char *var_name, cvar_callback_t handler) :
+		func(handler), name(var_name) {}
+
+	cvar_callback_t func;
+	const char      *name;
+};
+
 #endif // CVARDEF_H

rehlds/engine/cvar.cpp

@@ -174,6 +174,15 @@ NOXREF const char *Cvar_CompleteVariable(const char *search, int forward)
 	return NULL;
 }
 
+void Cvar_FireListeners(const char *var_name, const char *value)
+{
+	for (auto var : g_CvarsListeners) {
+		if (Q_strcmp(var->name, var_name) == 0) {
+			var->func(value);
+		}
+	}
+}
+
 void EXT_FUNC Cvar_DirectSet_internal(struct cvar_s *var, const char *value)
 {
 	if (!var || !value)
@@ -239,7 +248,6 @@ void EXT_FUNC Cvar_DirectSet_internal(struct cvar_s *var, const char *value)
 	}
 
 	qboolean changed = Q_strcmp(var->string, pszValue);
-
 	if (var->flags & FCVAR_USERINFO)
 	{
 		if (g_pcls.state == ca_dedicated)
@@ -296,6 +304,12 @@ void EXT_FUNC Cvar_DirectSet_internal(struct cvar_s *var, const char *value)
 	var->string = (char *)Z_Malloc(Q_strlen(pszValue) + 1);
 	Q_strcpy(var->string, pszValue);
 	var->value = (float)Q_atof(var->string);
+
+#ifdef REHLDS_API
+	if (changed) {
+		Cvar_FireListeners(var->name, pszValue);
+	}
+#endif
 }
 
 void Cvar_DirectSet(struct cvar_s *var, const char *value)

rehlds/engine/pr_cmds.cpp

@@ -1549,7 +1549,7 @@ int EXT_FUNC PF_IsMapValid_I(const char *mapname)
 	if (!mapname || Q_strlen(mapname) == 0)
 #endif
 		return 0;
-	
+
 	Q_snprintf(cBuf, sizeof(cBuf), "maps/%.32s.bsp", mapname);
 	return FS_FileExists(cBuf);
 }
@@ -1943,7 +1943,12 @@ void EXT_FUNC PF_crosshairangle_I(const edict_t *clientent, float pitch, float y
 	}
 }
 
-edict_t* EXT_FUNC PF_CreateFakeClient_I(const char *netname)
+edict_t *EXT_FUNC PF_CreateFakeClient_I(const char *netname)
+{
+	return g_RehldsHookchains.m_CreateFakeClient.callChain(CreateFakeClient_internal, netname);
+}
+
+edict_t *EXT_FUNC CreateFakeClient_internal(const char *netname)
 {
 	client_t *fakeclient;
 	edict_t *ent;

rehlds/engine/pr_cmds.h

@@ -172,6 +172,7 @@ void PF_changepitch_I(edict_t *ent);
 void PF_setview_I(const edict_t *clientent, const edict_t *viewent);
 void PF_crosshairangle_I(const edict_t *clientent, float pitch, float yaw);
 edict_t *PF_CreateFakeClient_I(const char *netname);
+edict_t *CreateFakeClient_internal(const char *netname);
 void PF_RunPlayerMove_I(edict_t *fakeclient, const float *viewangles, float forwardmove, float sidemove, float upmove, unsigned short buttons, unsigned char impulse, unsigned char msec);
 sizebuf_t *WriteDest_Parm(int dest);
 void PF_MessageBegin_I(int msg_dest, int msg_type, const float *pOrigin, edict_t *ed);

rehlds/engine/sv_main.cpp

@@ -4344,7 +4344,7 @@ int SV_CreatePacketEntities_internal(sv_delta_t type, client_t *client, packet_e
 			else
 				newindex = 9999;
 		}
-		
+
 #ifdef REHLDS_FIXES
 		if (oldnum < oldmax && from)
 #else

rehlds/engine/sys_dll.cpp

@@ -59,7 +59,7 @@ int giStateInfo;
 DLL_FUNCTIONS gEntityInterface;
 NEW_DLL_FUNCTIONS gNewDLLFunctions;
 
-extensiondll_t g_rgextdll[50];
+extensiondll_t g_rgextdll[MAX_EXTENSION_DLL];
 
 int g_iextdllMac;
 modinfo_t gmodinfo;
@@ -789,7 +789,7 @@ const char* EXT_FUNC NameForFunction(uint32 function)
 	return NULL;
 }
 
-ENTITYINIT GetEntityInit(char *pClassName)
+ENTITYINIT EXT_FUNC GetEntityInit(char *pClassName)
 {
 	return (ENTITYINIT)GetDispatch(pClassName);
 }
@@ -1089,7 +1089,7 @@ void LoadThisDll(const char *szDllFilename)
 	}
 
 	pfnGiveFnptrsToDll(&g_engfuncsExportedToDlls, &gGlobalVariables);
-	if (g_iextdllMac == 50)
+	if (g_iextdllMac == MAX_EXTENSION_DLL)
 	{
 		Con_Printf("Too many DLLs, ignoring remainder\n");
 		goto IgnoreThisDLL;

rehlds/msvc/ReHLDS.vcxproj

@@ -441,7 +441,6 @@
     <ClInclude Include="..\engine\pmove.h" />
     <ClInclude Include="..\engine\pmovetst.h" />
     <ClInclude Include="..\engine\pr_cmds.h" />
-    <ClInclude Include="..\engine\pr_dlls.h" />
     <ClInclude Include="..\engine\pr_edict.h" />
     <ClInclude Include="..\engine\server.h" />
     <ClInclude Include="..\engine\server_static.h" />
@@ -512,6 +511,7 @@
     <ClInclude Include="..\public\rehlds\studio.h" />
     <ClInclude Include="..\public\rehlds\sys_shared.h" />
     <ClInclude Include="..\public\rehlds\userid_rehlds.h" />
+    <ClInclude Include="..\public\rehlds\pr_dlls.h" />
     <ClInclude Include="..\public\savegame_version.h" />
     <ClInclude Include="..\public\steam\isteamapps.h" />
     <ClInclude Include="..\public\steam\isteambilling.h" />
@@ -767,7 +767,7 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>REHLDS_OPT_PEDANTIC;REHLDS_SELF;HOOK_ENGINE;REHLDS_FIXES;REHLDS_CHECKS;HAVE_OPT_STRTOOLS;USE_BREAKPAD_HANDLER;DEDICATED;SWDS;_CRT_SECURE_NO_WARNINGS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>REHLDS_API;REHLDS_OPT_PEDANTIC;REHLDS_SELF;HOOK_ENGINE;REHLDS_FIXES;REHLDS_CHECKS;HAVE_OPT_STRTOOLS;USE_BREAKPAD_HANDLER;DEDICATED;SWDS;_CRT_SECURE_NO_WARNINGS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FloatingPointModel>Precise</FloatingPointModel>
       <AdditionalOptions>/arch:IA32 %(AdditionalOptions)</AdditionalOptions>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
@@ -805,7 +805,7 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>REHLDS_FLIGHT_REC;REHLDS_OPT_PEDANTIC;REHLDS_FIXES;REHLDS_SELF;REHLDS_CHECKS;HAVE_OPT_STRTOOLS;USE_BREAKPAD_HANDLER;DEDICATED;SWDS;_CRT_SECURE_NO_WARNINGS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>REHLDS_API;REHLDS_FLIGHT_REC;REHLDS_OPT_PEDANTIC;REHLDS_FIXES;REHLDS_SELF;REHLDS_CHECKS;HAVE_OPT_STRTOOLS;USE_BREAKPAD_HANDLER;DEDICATED;SWDS;_CRT_SECURE_NO_WARNINGS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FloatingPointModel>Precise</FloatingPointModel>
       <AdditionalOptions>/arch:IA32 %(AdditionalOptions)</AdditionalOptions>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
@@ -953,7 +953,7 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>REHLDS_FLIGHT_REC;REHLDS_OPT_PEDANTIC;HAVE_OPT_STRTOOLS;REHLDS_SELF;REHLDS_UNIT_TESTS;_BUILD_FROM_IDE;USE_BREAKPAD_HANDLER;DEDICATED;SWDS;_CRT_SECURE_NO_WARNINGS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>REHLDS_API;REHLDS_FLIGHT_REC;REHLDS_OPT_PEDANTIC;HAVE_OPT_STRTOOLS;REHLDS_SELF;REHLDS_UNIT_TESTS;_BUILD_FROM_IDE;USE_BREAKPAD_HANDLER;DEDICATED;SWDS;_CRT_SECURE_NO_WARNINGS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>precompiled.h</PrecompiledHeaderFile>
@@ -989,7 +989,7 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>REHLDS_FLIGHT_REC;REHLDS_OPT_PEDANTIC;REHLDS_FIXES;HAVE_OPT_STRTOOLS;REHLDS_SELF;REHLDS_UNIT_TESTS;_BUILD_FROM_IDE;USE_BREAKPAD_HANDLER;DEDICATED;SWDS;_CRT_SECURE_NO_WARNINGS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>REHLDS_API;REHLDS_FLIGHT_REC;REHLDS_OPT_PEDANTIC;REHLDS_FIXES;HAVE_OPT_STRTOOLS;REHLDS_SELF;REHLDS_UNIT_TESTS;_BUILD_FROM_IDE;USE_BREAKPAD_HANDLER;DEDICATED;SWDS;_CRT_SECURE_NO_WARNINGS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>precompiled.h</PrecompiledHeaderFile>
@@ -1026,7 +1026,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>REHLDS_OPT_PEDANTIC;REHLDS_SELF;HOOK_ENGINE;REHLDS_CHECKS;HAVE_OPT_STRTOOLS;USE_BREAKPAD_HANDLER;DEDICATED;SWDS;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>REHLDS_API;REHLDS_OPT_PEDANTIC;REHLDS_SELF;HOOK_ENGINE;REHLDS_CHECKS;HAVE_OPT_STRTOOLS;USE_BREAKPAD_HANDLER;DEDICATED;SWDS;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <AdditionalOptions>/arch:IA32 %(AdditionalOptions)</AdditionalOptions>
       <PrecompiledHeader>Use</PrecompiledHeader>
@@ -1149,7 +1149,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>REHLDS_FLIGHT_REC;REHLDS_FIXES;REHLDS_OPT_PEDANTIC;REHLDS_SELF;REHLDS_CHECKS;HAVE_OPT_STRTOOLS;USE_BREAKPAD_HANDLER;DEDICATED;SWDS;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>REHLDS_API;REHLDS_FLIGHT_REC;REHLDS_FIXES;REHLDS_OPT_PEDANTIC;REHLDS_SELF;REHLDS_CHECKS;HAVE_OPT_STRTOOLS;USE_BREAKPAD_HANDLER;DEDICATED;SWDS;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <AdditionalOptions>/arch:IA32 %(AdditionalOptions)</AdditionalOptions>
       <PrecompiledHeader>Use</PrecompiledHeader>

rehlds/msvc/ReHLDS.vcxproj.filters

@@ -577,9 +577,6 @@
     <ClInclude Include="..\engine\filter.h">
       <Filter>engine\server</Filter>
     </ClInclude>
-    <ClInclude Include="..\engine\pr_dlls.h">
-      <Filter>engine\common</Filter>
-    </ClInclude>
     <ClInclude Include="..\engine\sys_dll2.h">
       <Filter>engine\server</Filter>
     </ClInclude>
@@ -844,6 +841,9 @@
     <ClInclude Include="..\public\rehlds\rehlds_api.h">
       <Filter>public\rehlds</Filter>
     </ClInclude>
+    <ClInclude Include="..\public\rehlds\pr_dlls.h">
+      <Filter>public\rehlds</Filter>
+    </ClInclude>
     <ClInclude Include="..\rehlds\hookchains_impl.h">
       <Filter>rehlds</Filter>
     </ClInclude>

rehlds/public/rehlds/pr_dlls.h

@@ -1,49 +1,51 @@
-/*
+/*
-*
+*
-*    This program is free software; you can redistribute it and/or modify it
+*    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
+*    under the terms of the GNU General Public License as published by the
-*    Free Software Foundation; either version 2 of the License, or (at
+*    Free Software Foundation; either version 2 of the License, or (at
-*    your option) any later version.
+*    your option) any later version.
-*
+*
-*    This program is distributed in the hope that it will be useful, but
+*    This program is distributed in the hope that it will be useful, but
-*    WITHOUT ANY WARRANTY; without even the implied warranty of
+*    WITHOUT ANY WARRANTY; without even the implied warranty of
-*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-*    General Public License for more details.
+*    General Public License for more details.
-*
+*
-*    You should have received a copy of the GNU General Public License
+*    You should have received a copy of the GNU General Public License
-*    along with this program; if not, write to the Free Software Foundation,
+*    along with this program; if not, write to the Free Software Foundation,
-*    Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*    Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-*
+*
-*    In addition, as a special exception, the author gives permission to
+*    In addition, as a special exception, the author gives permission to
-*    link the code of this program with the Half-Life Game Engine ("HL
+*    link the code of this program with the Half-Life Game Engine ("HL
-*    Engine") and Modified Game Libraries ("MODs") developed by Valve,
+*    Engine") and Modified Game Libraries ("MODs") developed by Valve,
-*    L.L.C ("Valve").  You must obey the GNU General Public License in all
+*    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
+*    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
+*    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
+*    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
+*    you do not wish to do so, delete this exception statement from your
-*    version.
+*    version.
-*
+*
-*/
+*/
-
+
-#pragma once
+#pragma once
-
+
-#include "maintypes.h"
+#include "maintypes.h"
-#include "eiface.h"
+#include "eiface.h"
-
+
-typedef struct functiontable_s
+const int MAX_EXTENSION_DLL = 50;
-{
+
-	uint32 pFunction;
+typedef struct functiontable_s
-	char *pFunctionName;
+{
-} functiontable_t;
+	uint32 pFunction;
-
+	char *pFunctionName;
-typedef struct extensiondll_s
+} functiontable_t;
-{
+
-	void *lDLLHandle;
+typedef struct extensiondll_s
-	functiontable_t *functionTable;
+{
-	int functionCount;
+	void *lDLLHandle;
-} extensiondll_t;
+	functiontable_t *functionTable;
-
+	int functionCount;
-typedef void(*ENTITYINIT)(struct entvars_s *);
+} extensiondll_t;
-typedef void(*DISPATCHFUNCTION)(struct entvars_s *, void *);
+
-typedef void(*FIELDIOFUNCTION)(SAVERESTOREDATA *, const char *, void *, TYPEDESCRIPTION *, int);
+typedef void(*ENTITYINIT)(struct entvars_s *);
+typedef void(*DISPATCHFUNCTION)(struct entvars_s *, void *);
+typedef void(*FIELDIOFUNCTION)(SAVERESTOREDATA *, const char *, void *, TYPEDESCRIPTION *, int);

rehlds/public/rehlds/rehlds_api.h

@@ -34,9 +34,10 @@
 #include "interface.h"
 #include "model.h"
 #include "ObjectList.h"
+#include "pr_dlls.h"
 
 #define REHLDS_API_VERSION_MAJOR 3
-#define REHLDS_API_VERSION_MINOR 2
+#define REHLDS_API_VERSION_MINOR 3
 
 //Steam_NotifyClientConnect hook
 typedef IHookChain<qboolean, IGameClient*, const void*, unsigned int> IRehldsHook_Steam_NotifyClientConnect;
@@ -190,6 +191,10 @@ typedef IHookChainRegistry<int, enum sv_delta_s, IGameClient *, struct packet_en
 typedef IHookChain<bool, edict_t *, IGameClient *, int, const char*, float, float, int, int, int, const float*> IRehldsHook_SV_EmitSound2;
 typedef IHookChainRegistry<bool, edict_t *, IGameClient *, int, const char*, float, float, int, int, int, const float*> IRehldsHookRegistry_SV_EmitSound2;
 
+//CreateFakeClient hook
+typedef IHookChain<edict_t *, const char *> IRehldsHook_CreateFakeClient;
+typedef IHookChainRegistry<edict_t *, const char *> IRehldsHookRegistry_CreateFakeClient;
+
 class IRehldsHookchains {
 public:
 	virtual ~IRehldsHookchains() { }
@@ -232,6 +237,7 @@ public:
 	virtual IRehldsHookRegistry_SV_Spawn_f* SV_Spawn_f() = 0;
 	virtual IRehldsHookRegistry_SV_CreatePacketEntities* SV_CreatePacketEntities() = 0;
 	virtual IRehldsHookRegistry_SV_EmitSound2* SV_EmitSound2() = 0;
+	virtual IRehldsHookRegistry_CreateFakeClient* CreateFakeClient() = 0;
 };
 
 struct RehldsFuncs_t {
@@ -285,6 +291,11 @@ struct RehldsFuncs_t {
 	bool(*StripUnprintableAndSpace)(char *pch);
 	void(*Cmd_RemoveCmd)(const char *cmd_name);
 	void(*GetCommandMatches)(const char *string, ObjectList *pMatchList);
+	bool(*AddExtDll)(void *hModule);
+	void(*AddCvarListener)(const char *var_name, cvar_callback_t func);
+	void(*RemoveExtDll)(void *hModule);
+	void(*RemoveCvarListener)(const char *var_name, cvar_callback_t func);
+	ENTITYINIT(*GetEntityInit)(char *pszClassName);
 };
 
 class IRehldsApi {

rehlds/rehlds/rehlds_api_impl.cpp

@@ -34,6 +34,7 @@ struct plugin_api_t
 };
 
 std::vector<plugin_api_t *> g_PluginApis;
+std::vector<cvar_listener_t *> g_CvarsListeners;
 
 plugin_api_t* FindPluginApiByName(const char *name) {
 	for (auto pl : g_PluginApis) {
@@ -181,10 +182,84 @@ void EXT_FUNC GetCommandMatches_api(const char *string, ObjectList *pMatchList)
 	}
 }
 
+bool EXT_FUNC AddExtDll_api(void *hModule)
+{
+	if (!hModule) {
+		return false;
+	}
+
+	if (g_iextdllMac >= MAX_EXTENSION_DLL) {
+		Con_Printf("Too many DLLs, ignoring remainder\n");
+		return false;
+	}
+
+	auto pextdll = &g_rgextdll[g_iextdllMac++];
+	Q_memset(pextdll, 0, sizeof(*pextdll));
+	pextdll->lDLLHandle = hModule;
+	return true;
+}
+
+void EXT_FUNC RemoveExtDll_api(void *hModule)
+{
+	if (!hModule) {
+		return;
+	}
+
+	for (auto i = 0; i < g_iextdllMac; i++)
+	{
+		if (g_rgextdll[i].lDLLHandle == hModule)
+		{
+			g_iextdllMac--;
+			if (g_iextdllMac != i)
+			{
+				Q_memmove(&g_rgextdll[i], &g_rgextdll[i + 1], (g_iextdllMac - i) * sizeof(g_rgextdll[0]));
+				i = g_iextdllMac;
+			}
+
+			Q_memset(&g_rgextdll[i], 0, sizeof(g_rgextdll[0]));
+			break;
+		}
+	}
+}
+
+void EXT_FUNC AddCvarListener_api(const char *var_name, cvar_callback_t func)
+{
+	cvar_t *var = Cvar_FindVar(var_name);
+	if (!var) {
+		return;
+	}
+
+	for (auto cvars : g_CvarsListeners) {
+		if (!Q_strcmp(cvars->name, var_name)) {
+			if (cvars->func == func) {
+				return;
+			}
+		}
+	}
+
+	cvar_listener_t *list = new cvar_listener_t(var_name, func);
+	g_CvarsListeners.push_back(list);
+}
+
+void EXT_FUNC RemoveCvarListener_api(const char *var_name, cvar_callback_t func)
+{
+	auto iter = g_CvarsListeners.begin();
+	while (iter != g_CvarsListeners.end())
+	{
+		if (Q_strcmp((*iter)->name, var_name) != 0 || (*iter)->func != func) {
+			iter++;
+			continue;
+		}
+
+		delete (*iter);
+		iter = g_CvarsListeners.erase(iter);
+	}
+}
+
 CRehldsServerStatic g_RehldsServerStatic;
 CRehldsServerData g_RehldsServerData;
 CRehldsHookchains g_RehldsHookchains;
-RehldsFuncs_t g_RehldsApiFuncs = 
+RehldsFuncs_t g_RehldsApiFuncs =
 {
 	&SV_DropClient_api,
 	&SV_RejectConnection,
@@ -235,7 +310,12 @@ RehldsFuncs_t g_RehldsApiFuncs =
 	&SV_UpdateUserInfo_api,
 	&StripUnprintableAndSpace_api,
 	&Cmd_RemoveCmd,
-	&GetCommandMatches_api
+	&GetCommandMatches_api,
+	&AddExtDll_api,
+	&AddCvarListener_api,
+	&RemoveExtDll_api,
+	&RemoveCvarListener_api,
+	&GetEntityInit
 };
 
 bool EXT_FUNC SV_EmitSound2_internal(edict_t *entity, IGameClient *pReceiver, int channel, const char *sample, float volume, float attenuation, int flags, int pitch, int emitFlags, const float *pOrigin)
@@ -486,6 +566,10 @@ IRehldsHookRegistry_SV_EmitSound2* CRehldsHookchains::SV_EmitSound2() {
 	return &m_SV_EmitSound2;
 }
 
+IRehldsHookRegistry_CreateFakeClient* CRehldsHookchains::CreateFakeClient() {
+	return &m_CreateFakeClient;
+}
+
 int EXT_FUNC CRehldsApi::GetMajorVersion()
 {
 	return REHLDS_API_VERSION_MAJOR;

rehlds/rehlds/rehlds_api_impl.h

@@ -183,6 +183,10 @@ typedef IHookChainRegistryImpl<int, sv_delta_t, IGameClient *, packet_entities_t
 typedef IHookChainImpl<bool, edict_t *, IGameClient *, int, const char*, float, float, int, int, int, const float*> CRehldsHook_SV_EmitSound2;
 typedef IHookChainRegistryImpl<bool, edict_t *, IGameClient *, int, const char*, float, float, int, int, int, const float*> CRehldsHookRegistry_SV_EmitSound2;
 
+//CreateFakeClient hook
+typedef IHookChainImpl<edict_t *, const char *> CRehldsHook_CreateFakeClient;
+typedef IHookChainRegistryImpl<edict_t *, const char *> CRehldsHookRegistry_CreateFakeClient;
+
 class CRehldsHookchains : public IRehldsHookchains {
 public:
 	CRehldsHookRegistry_Steam_NotifyClientConnect m_Steam_NotifyClientConnect;
@@ -223,6 +227,7 @@ public:
 	CRehldsHookRegistry_SV_Spawn_f m_SV_Spawn_f;
 	CRehldsHookRegistry_SV_CreatePacketEntities m_SV_CreatePacketEntities;
 	CRehldsHookRegistry_SV_EmitSound2 m_SV_EmitSound2;
+	CRehldsHookRegistry_CreateFakeClient m_CreateFakeClient;
 
 public:
 	virtual IRehldsHookRegistry_Steam_NotifyClientConnect* Steam_NotifyClientConnect();
@@ -263,6 +268,7 @@ public:
 	virtual	IRehldsHookRegistry_SV_Spawn_f* SV_Spawn_f();
 	virtual	IRehldsHookRegistry_SV_CreatePacketEntities* SV_CreatePacketEntities();
 	virtual	IRehldsHookRegistry_SV_EmitSound2* SV_EmitSound2();
+	virtual	IRehldsHookRegistry_CreateFakeClient* CreateFakeClient();
 };
 
 extern CRehldsHookchains g_RehldsHookchains;
@@ -285,5 +291,6 @@ public:
 extern sizebuf_t* GetNetMessage_api();
 extern IGameClient* GetHostClient_api();
 extern int* GetMsgReadCount_api();
+extern std::vector<cvar_listener_t *> g_CvarsListeners;
 
 bool SV_EmitSound2_api(edict_t *entity, IGameClient *receiver, int channel, const char *sample, float volume, float attenuation, int fFlags, int pitch, int emitFlags, const float *pOrigin);