General:

*         Upgraded Steamworks SDK to v1.29
*         Fixed mod compatibility problem with Multiplayer Base that was introduced in September.
*         In Hammer, while using the Vertex Tool, pressing CTRL+B will snap selected vertices to the grid.

Virtual Reality:
*         Mods that support virtual reality now need to have a line in gameinfo.txt that says “supportsvr 1”. This indicates to gameui and engine that certain UI should be enabled.
*         VR-enabled mods will now start up in VR mode when launched from Steam’s VR mode.

Windows:
*         Upgraded to Visual Studio 2013. If you need to build projects for VS 2010, add /2010 to your VPC command line.

OSX:
*         Upgraded to XCode 5.

mp/game/mod_hl2mp/gameinfo.txt

@@ -12,6 +12,7 @@
 		"test_speakers"		1
 		"test_hardware"		1
 	}
+	supportsvr	1
 
 
 	FileSystem

mp/src/common/qlimits.h

@@ -24,7 +24,7 @@
 
 
 // Resource counts;
-#define MAX_MODEL_INDEX_BITS	11   // sent as a short
+#define MAX_MODEL_INDEX_BITS	12   // sent as a short
 #define	MAX_MODELS				(1<<MAX_MODEL_INDEX_BITS)
 
 #define MAX_GENERIC_INDEX_BITS	9

mp/src/devtools/base.xcconfig

@@ -25,7 +25,7 @@ GCC_REUSE_STRINGS = YES
 // following line to the xcconfig:
 // CLANG_CXX_LIBRARY = libc++
 GCC_PREPROCESSOR_DEFINITIONS = _DLL_EXT=.dylib NO_MALLOC_OVERRIDE=1 VPROF_LEVEL=1 NO_HOOK_MALLOC=1 PNG_NO_PEDANTIC_WARNINGS CPP11_NO_LIBCXX
-BASE_CFLAGS= -Usprintf -Ustrncpy -UPROTECTED_THINGS_ENABLE
+BASE_CFLAGS= -Usprintf -Ustrncpy -UPROTECTED_THINGS_ENABLE -ftemplate-depth=512
 
 GCC_WARN_ABOUT_INVALID_OFFSETOF_MACRO = NO
 WARNING_CFLAGS = -Wno-deprecated-writable-strings -Wno-switch-enum -Wno-switch -Wno-unused-value -Wno-parentheses -Wno-logical-op-parentheses -Wno-c++11-narrowing
@@ -41,6 +41,6 @@ CLANG_CXX_LANGUAGE_STANDARD = gnu++11
 // gets into the header map, so sacrifice speed for corectness.
 USE_HEADERMAP = NO
 
-SDKROOT = macosx10.7
+SDKROOT = macosx10.9
 MACOSX_DEPLOYMENT_TARGET = 10.5
 GCC_FAST_MATH = YES

mp/src/devtools/makefile_base_posix.mak

@@ -42,9 +42,9 @@ CFLAGS = $(ARCH_FLAGS) $(CPPFLAGS) $(WARN_FLAGS) -fvisibility=$(SymbolVisibility
 # In -std=gnu++0x mode we get lots of errors about "error: narrowing conversion". -fpermissive
 # turns these into warnings in gcc, and -Wno-c++11-narrowing suppresses them entirely in clang 3.1+.
 ifeq ($(CXX),clang++)
-	CXXFLAGS = $(CFLAGS) -Wno-c++11-narrowing
+	CXXFLAGS = $(CFLAGS) -std=gnu++0x -Wno-c++11-narrowing -Wno-dangling-else
 else
-	CXXFLAGS = $(CFLAGS) -fpermissive
+	CXXFLAGS = $(CFLAGS) -std=gnu++0x -fpermissive
 endif
 DEFINES += -DVPROF_LEVEL=1 -DGNUC -DNO_HOOK_MALLOC -DNO_MALLOC_OVERRIDE
 LDFLAGS = $(CFLAGS) $(GCC_ExtraLinkerFlags) $(OptimizerLevel)

mp/src/devtools/release.xcconfig

@@ -1,4 +1,4 @@
 #include "base.xcconfig"
 
 GCC_OPTIMIZATION_LEVEL = 2
-OTHER_CFLAGS = $(derived) $(BASE_CFLAGS) -ftree-vectorize -fpredictive-commoning -funswitch-loops
+OTHER_CFLAGS = $(derived) $(BASE_CFLAGS) -ftree-vectorize -funswitch-loops

mp/src/game/client/beamdraw.cpp

@@ -589,7 +589,7 @@ void DrawTeslaSegs( int noise_divisions, float *prgNoise, const model_t* spritem
 			curSeg.m_flWidth = ((fraction*(endWidth-startWidth))+startWidth) * 2;
 
 		// Reduce the width by the current number of branches we've had
-		for ( int j = 0; i < iBranches; j++ )
+		for ( int j = 0; j < iBranches; j++ )
 		{
 			curSeg.m_flWidth *= 0.5;
 		}
@@ -619,7 +619,7 @@ void DrawTeslaSegs( int noise_divisions, float *prgNoise, const model_t* spritem
 
 				// Reduce the end width by the current number of branches we've had
 				flEndWidth = endWidth;
-				for ( int j = 0; i < iBranches; j++ )
+				for ( int j = 0; j < iBranches; j++ )
 				{
 					flEndWidth *= 0.5;
 				}

mp/src/game/client/c_baseanimating.cpp

@@ -3687,6 +3687,8 @@ void C_BaseAnimating::FireEvent( const Vector& origin, const QAngle& angles, int
 			if ( token ) 
 			{
 				const char* mtoken = ModifyEventParticles( token );
+				if ( !mtoken || mtoken[0] == '\0' )
+					return;
 				Q_strncpy( szParticleEffect, mtoken, sizeof(szParticleEffect) );
 			}
 
@@ -5298,8 +5300,8 @@ void C_BaseAnimating::ResetSequenceInfo( void )
 	m_bSequenceFinished = false;
 	m_flLastEventCheck = 0;
 
-	m_nNewSequenceParity = ( ++m_nNewSequenceParity ) & EF_PARITY_MASK;
-	m_nResetEventsParity = ( ++m_nResetEventsParity ) & EF_PARITY_MASK;
+	m_nNewSequenceParity = ( m_nNewSequenceParity + 1 ) & EF_PARITY_MASK;
+	m_nResetEventsParity = ( m_nResetEventsParity + 1 ) & EF_PARITY_MASK;
 	
 	// FIXME: why is this called here?  Nothing should have changed to make this nessesary
 	SetEventIndexForSequence( pStudioHdr->pSeqdesc( GetSequence() ) );

mp/src/game/client/c_colorcorrection.cpp

@@ -122,7 +122,7 @@ void C_ColorCorrection::ClientThink()
 		return;
 	}
 
-	CBaseEntity *pPlayer = UTIL_PlayerByIndex(1);
+	C_BaseEntity *pPlayer = C_BasePlayer::GetLocalPlayer();
 	if( !pPlayer )
 		return;
 

mp/src/game/client/c_func_breakablesurf.cpp

@@ -154,7 +154,7 @@ private:
 		Assert( type < NUM_EDGE_STYLES );
 		Assert( type >= 0 );
 		// Clear old value
-		m_nPanelBits[ w ][ h ] &= ( ~0x03 << 2 );
+		m_nPanelBits[ w ][ h ] &= 0xF0; // ( ~0x03 << 2 ); Left shifting a negative value has undefined behavior. Use the constant 0xF0 instead.
 		// Insert new value
 		m_nPanelBits[ w ][ h ] |= ( type << 2 );
 	}

mp/src/game/client/c_te_bloodstream.cpp

@@ -114,7 +114,7 @@ void TE_BloodStream( IRecipientFilter& filter, float delay,
 	float		arc = 0.05;
 	int			count, count2;
 	float		num;
-	int			speedCopy = amount;
+	float		speedCopy = amount;
 	
 	Vector dir;
 	VectorCopy( *direction, dir );

mp/src/game/client/c_te_decal.cpp

@@ -139,7 +139,7 @@ void TE_Decal( IRecipientFilter& filter, float delay,
 		// Only decal the world + brush models
 		// Here we deal with decals on entities.
 		C_BaseEntity* ent;
-		if ( ( ent = cl_entitylist->GetEnt( entity ) ) == false )
+		if ( ( ent = cl_entitylist->GetEnt( entity ) ) == NULL )
 			return;
 
 		ent->AddDecal( *start, *pos, *pos, hitbox, 

mp/src/game/client/cdll_client_int.cpp

@@ -1717,7 +1717,11 @@ void CHLClient::LevelShutdown( void )
 
 	messagechars->Clear();
 
+#ifndef TF_CLIENT_DLL
+	// don't want to do this for TF2 because we have particle systems in our
+	// character loadout screen that can be viewed when we're not connected to a server
 	g_pParticleSystemMgr->UncacheAllParticleSystems();
+#endif
 	UncacheAllMaterials();
 
 #ifdef _XBOX

mp/src/game/client/client_virtualreality.cpp

@@ -21,6 +21,7 @@
 #include "vgui_controls/Controls.h"
 #include "tier0/vprof_telemetry.h"
 #include <time.h>
+#include "steam/steam_api.h"
 
 const char *COM_GetModDirectory(); // return the mod dir (rather than the complete -game param, which can be a path)
 
@@ -260,6 +261,8 @@ CClientVirtualReality::CClientVirtualReality()
 	m_rtLastMotionSample = 0;
 	m_bMotionUpdated = false;
 
+	m_bForceVRMode = false; 
+
 #if defined( USE_SDL )
     m_nNonVRSDLDisplayIndex = 0;
 #endif
@@ -1363,28 +1366,32 @@ void CClientVirtualReality::Activate()
 	if( !g_pSourceVR )
 		return;
 
-	// see if VR mode is even enabled
-	if( materials->GetCurrentConfigForVideoCard().m_nVRModeAdapter == -1 )
+	// These checks don't apply if we're in VR mode because Steam said so.
+	if ( !m_bForceVRMode )
 	{
-		Warning( "Enable VR mode in the video options before trying to use it.\n" );
-		return;
-	}
+		// see if VR mode is even enabled
+		if ( materials->GetCurrentConfigForVideoCard().m_nVRModeAdapter == -1 )
+		{
+			Warning( "Enable VR mode in the video options before trying to use it.\n" );
+			return;
+		}
 
-	// See if we have an actual adapter
-	int32 nVRModeAdapter = g_pSourceVR->GetVRModeAdapter();
-	if( nVRModeAdapter == -1 )
-	{
-		Warning( "Unable to get VRMode adapter from OpenVR. VR mode cannot be enabled. Try restarting and then enabling VR again.\n" );
-		return;
-	}
+		// See if we have an actual adapter
+		int32 nVRModeAdapter = g_pSourceVR->GetVRModeAdapter();
+		if ( nVRModeAdapter == -1 )
+		{
+			Warning( "Unable to get VRMode adapter from OpenVR. VR mode cannot be enabled. Try restarting and then enabling VR again.\n" );
+			return;
+		}
 
-	// we can only activate if we've got a VR device
-	if( materials->GetCurrentConfigForVideoCard().m_nVRModeAdapter != nVRModeAdapter )
-	{
-		Warning( "VR Mode expects adapter %d which is different from %d which we are currently using. Try restarting and enabling VR mode again.\n",
-			nVRModeAdapter, materials->GetCurrentConfigForVideoCard().m_nVRModeAdapter );
-		engine->ExecuteClientCmd( "mat_enable_vrmode 0\n" );
-		return;
+		// we can only activate if we've got a VR device
+		if ( materials->GetCurrentConfigForVideoCard().m_nVRModeAdapter != nVRModeAdapter )
+		{
+			Warning( "VR Mode expects adapter %d which is different from %d which we are currently using. Try restarting and enabling VR mode again.\n",
+				nVRModeAdapter, materials->GetCurrentConfigForVideoCard().m_nVRModeAdapter );
+			engine->ExecuteClientCmd( "mat_enable_vrmode 0\n" );
+			return;
+		}
 	}
 
 
@@ -1429,18 +1436,22 @@ void CClientVirtualReality::Activate()
 	int nViewportWidth, nViewportHeight;
 
 	g_pSourceVR->GetViewportBounds( ISourceVirtualReality::VREye_Left, NULL, NULL, &nViewportWidth, &nViewportHeight );
-	vgui::surface()->SetFullscreenViewportAndRenderTarget( 0, 0, nViewportWidth, nViewportHeight, g_pSourceVR->GetRenderTarget( ISourceVirtualReality::VREye_Left, ISourceVirtualReality::RT_Color ) );
+	g_pMatSystemSurface->SetFullscreenViewportAndRenderTarget( 0, 0, nViewportWidth, nViewportHeight, g_pSourceVR->GetRenderTarget( ISourceVirtualReality::VREye_Left, ISourceVirtualReality::RT_Color ) );
 
 	vgui::ivgui()->SetVRMode( true );
 
-	VRRect_t rect;
-	if( g_pSourceVR->GetDisplayBounds( &rect ) )
+	// we can skip this extra mode change if we've always been in VR mode
+	if ( !m_bForceVRMode )
 	{
+		VRRect_t rect;
+		if ( g_pSourceVR->GetDisplayBounds( &rect ) )
+		{
 
-		// set mode
-		char szCmd[ 256 ];
-		Q_snprintf( szCmd, sizeof( szCmd ), "mat_setvideomode %i %i %i\n", rect.nWidth, rect.nHeight, vr_force_windowed.GetBool()? 1 : 0 );
-		engine->ClientCmd_Unrestricted( szCmd );
+			// set mode
+			char szCmd[256];
+			Q_snprintf( szCmd, sizeof(szCmd), "mat_setvideomode %i %i %i\n", rect.nWidth, rect.nHeight, vr_force_windowed.GetBool() ? 1 : 0 );
+			engine->ClientCmd_Unrestricted( szCmd );
+		}
 	}
 }
 
@@ -1455,7 +1466,7 @@ void CClientVirtualReality::Deactivate()
 
 	g_pMatSystemSurface->ForceScreenSizeOverride(false, 0, 0 );
 	g_pMaterialSystem->GetRenderContext()->Viewport( 0, 0, m_nNonVRWidth, m_nNonVRHeight );
-	vgui::surface()->SetFullscreenViewportAndRenderTarget( 0, 0, m_nNonVRWidth, m_nNonVRHeight, NULL );
+	g_pMatSystemSurface->SetFullscreenViewportAndRenderTarget( 0, 0, m_nNonVRWidth, m_nNonVRHeight, NULL );
 
     static ConVarRef cl_software_cursor( "cl_software_cursor" );
     vgui::surface()->SetSoftwareCursor( cl_software_cursor.GetBool() );
@@ -1499,7 +1510,10 @@ void CClientVirtualReality::Deactivate()
 // Called when startup is complete
 void CClientVirtualReality::StartupComplete()
 {
-	if( vr_activate_default.GetBool() )
+	if ( g_pSourceVR )
+		m_bForceVRMode = g_pSourceVR->ShouldForceVRMode();
+
+	if ( vr_activate_default.GetBool( ) || m_bForceVRMode )
 		Activate();
 }
 

mp/src/game/client/client_virtualreality.h

@@ -147,6 +147,7 @@ private:
 	int				m_iAlignTorsoAndViewToWeaponCountdown;
 
 	bool			m_bMotionUpdated;
+	bool			m_bForceVRMode;
 
 	RTime32			m_rtLastMotionSample;
 

mp/src/game/client/clientmode_shared.cpp

@@ -228,9 +228,9 @@ static void __MsgFunc_VGUIMenu( bf_read &msg )
 			&& keys->GetInt( "type", 0 ) == 2 // URL message type
 		) {
 			const char *pszURL = keys->GetString( "msg", "" );
-			if ( Q_strncmp( pszURL, "http://", 7 ) != 0 && Q_strncmp( pszURL, "https://", 8 ) != 0 )
+			if ( Q_strncmp( pszURL, "http://", 7 ) != 0 && Q_strncmp( pszURL, "https://", 8 ) != 0 && Q_stricmp( pszURL, "about:blank" ) != 0 )
 			{
-				Warning( "Blocking MOTD URL '%s'; must begin with 'http://' or 'https://'\n", pszURL );
+				Warning( "Blocking MOTD URL '%s'; must begin with 'http://' or 'https://' or be about:blank\n", pszURL );
 				keys->deleteThis();
 				return;
 			}

mp/src/game/client/detailobjectsystem.cpp

@@ -1477,7 +1477,7 @@ void CDetailObjectSystem::LevelInitPreEntity()
 		PrecacheMaterial( DETAIL_SPRITE_MATERIAL );
 		IMaterial *pMat = m_DetailSpriteMaterial;
 		// adjust for non-square textures (cropped)
-		float flRatio = pMat->GetMappingWidth() / pMat->GetMappingHeight();
+		float flRatio = (float)( pMat->GetMappingWidth() ) / pMat->GetMappingHeight();
 		if ( flRatio > 1.0 )
 		{
 			for( int i = 0; i<m_DetailSpriteDict.Count(); i++ )

mp/src/game/client/flashlighteffect.h

@@ -18,7 +18,7 @@ class CFlashlightEffect
 public:
 
 	CFlashlightEffect(int nEntIndex = 0);
-	~CFlashlightEffect();
+	virtual ~CFlashlightEffect();
 
 	virtual void UpdateLight(const Vector &vecPos, const Vector &vecDir, const Vector &vecRight, const Vector &vecUp, int nDistance);
 	void TurnOn();

mp/src/game/client/game_controls/buymenu.cpp

@@ -86,7 +86,6 @@ void CBuyMenu::ShowPanel(bool bShow)
 void CBuyMenu::Update()
 {
 	//Don't need to do anything, but do need to implement this function as base is pure virtual
-	NULL;
 }
 void CBuyMenu::OnClose()
 {

mp/src/game/client/hl2/hud_weaponselection.cpp

@@ -598,13 +598,13 @@ void CHudWeaponSelection::Paint()
 
 			// bucket style
 			int screenCenterX = (int) fCenterX;
-			int screenCenterY = (int) fCenterY - 15; // Height isn't quite screen height, so adjust for center alignement
+			int screenCenterY = (int) fCenterY - 15; // Height isn't quite screen height, so adjust for center alignment
 
 			// Modifiers for the four directions. Used to change the x and y offsets
 			// of each box based on which bucket we're drawing. Bucket directions are
 			// 0 = UP, 1 = RIGHT, 2 = DOWN, 3 = LEFT
-			int xModifiers[] = { 0, 1, 0, -1 };
-			int yModifiers[] = { -1, 0, 1, 0 };
+			int xModifiers[] = { 0, 1, 0, -1, -1, 1 };
+			int yModifiers[] = { -1, 0, 1, 0, 1, 1 };
 
 			// Draw the four buckets
 			for ( int i = 0; i < MAX_WEAPON_SLOTS; ++i )
@@ -1453,7 +1453,7 @@ void CHudWeaponSelection::SelectWeaponSlot( int iSlot )
 		return;
 
 	// Don't try and read past our possible number of slots
-	if ( iSlot > MAX_WEAPON_SLOTS )
+	if ( iSlot >= MAX_WEAPON_SLOTS )
 		return;
 	
 	// Make sure the player's allowed to switch weapons

mp/src/game/client/hud.cpp

@@ -512,7 +512,7 @@ void CHud::Shutdown( void )
 
 
 //-----------------------------------------------------------------------------
-// Purpose: LevelInit's called whenever a new level's starting
+// Purpose: LevelInit's called whenever a new level is starting
 //-----------------------------------------------------------------------------
 void CHud::LevelInit( void )
 {
@@ -533,11 +533,11 @@ void CHud::LevelInit( void )
 }
 
 //-----------------------------------------------------------------------------
-// Purpose: LevelShutdown's called whenever a level's finishing
+// Purpose: LevelShutdown's called whenever a level is finishing
 //-----------------------------------------------------------------------------
 void CHud::LevelShutdown( void )
 {
-	// Tell all the registered hud elements to LevelInit
+	// Tell all the registered hud elements to LevelShutdown
 	for ( int i = 0; i < m_HudList.Size(); i++ )
 	{
 		m_HudList[i]->LevelShutdown();

mp/src/game/client/hud.h

@@ -107,9 +107,9 @@ public:
 	void						VidInit( void );
 	// Shutdown's called when the engine's shutting down
 	void						Shutdown( void );
-	// LevelInit's called whenever a new level's starting
+	// LevelInit's called whenever a new level is starting
 	void						LevelInit( void );
-	// LevelShutdown's called whenever a level's finishing
+	// LevelShutdown's called whenever a level is finishing
 	void						LevelShutdown( void );
 	
 	void						ResetHUD( void );

mp/src/game/client/hud_vote.cpp

@@ -662,7 +662,8 @@ void CVoteSetupDialog::OnItemSelected( vgui::Panel *panel )
 				for ( int index = 0; index < m_VoteIssuesPopFiles.Count(); index++ )
 				{
 					// Don't show the current pop file
-					if ( TFObjectiveResource()->GetMvMPopFileName() == '\0' )
+					const char *pszPopFileName = TFObjectiveResource()->GetMvMPopFileName();
+					if ( !pszPopFileName || !pszPopFileName[0] )
 					{
 						// Use the map name
 						char szShortMapName[ MAX_MAP_NAME ];

mp/src/game/client/hudelement.h

@@ -36,9 +36,9 @@ public:
 	// called whenever the video mode changes, and whenever Init() would be called, so the hud can vid init itself
 	virtual void				VidInit( void ) { return; }
 
-	// LevelInit's called whenever a new level's starting
+	// LevelInit's called whenever a new level is starting
 	virtual void				LevelInit( void ) { return; };
-	// LevelShutdown's called whenever a level's finishing
+	// LevelShutdown's called whenever a level is finishing
 	virtual void				LevelShutdown( void ) { return; };
 
 	// called whenever the hud receives "reset" message, which is (usually) every time the client respawns after getting killed

mp/src/game/client/in_joystick.cpp

@@ -846,6 +846,8 @@ void CInput::JoyStickMove( float frametime, CUserCmd *cmd )
 	{
 		angle = m_flPreviousJoystickYaw * joy_yawsensitivity.GetFloat() * aspeed * 180.0;
 	}
+
+	angle = JoyStickAdjustYaw( angle );
 	viewangles[YAW] += angle;
 	cmd->mousedx = angle;
 

mp/src/game/client/input.h

@@ -141,6 +141,7 @@ private:
 	void		ControllerMove ( float frametime, CUserCmd *cmd );
 	void		JoyStickMove ( float frametime, CUserCmd *cmd );
 	float		ScaleAxisValue( const float axisValue, const float axisThreshold );
+	virtual float JoyStickAdjustYaw( float flSpeed ) { return flSpeed; }
 
 	// Call this to get the cursor position. The call will be logged in the VCR file if there is one.
 	void		GetMousePos(int &x, int &y);

mp/src/game/client/prediction.cpp

@@ -931,7 +931,8 @@ void CPrediction::SetIdealPitch ( C_BasePlayer *player, const Vector& origin, co
 	Vector	top, bottom;
 	float	floor_height[MAX_FORWARD];
 	int		i, j;
-	int		step, dir, steps;
+	float	step, dir;
+	int		steps;
 	trace_t tr;
 
 	if ( player->GetGroundEntity() == NULL )

mp/src/game/client/replay/replayyoutubeapi.cpp

@@ -24,7 +24,7 @@
 #include "confirm_dialog.h"
 #include "replay/vgui/replaybrowserdetailspanel.h"
 
-#include "base_gcmessages.h"
+#include "base_gcmessages.pb.h"
 
 #include "youtubeapi.h"
 #include "steamworks_gamestats.h"

mp/src/game/client/sixense/in_sixense_gesture_bindings.cpp

@@ -879,10 +879,6 @@ bool SixenseGestureBindings::ActionTokenToStr( sixenseUtils::IButtonStates::Acti
 	{
 		Q_snprintf( buf, buflen, "tilt_gesture" );
 	}
-	else if( action == sixenseUtils::IButtonStates::ACTION_BUTTON_PRESS ) 
-	{
-		Q_snprintf( buf, buflen, "button_press" );
-	} 
 	else if( action == sixenseUtils::IButtonStates::ACTION_TRIGGER_PRESS ) 
 	{
 		Q_snprintf( buf, buflen, "trigger_press" );

mp/src/game/client/vgui_fpspanel.cpp

@@ -189,12 +189,12 @@ void GetFPSColor( int nFps, unsigned char ucColor[3] )
 	if ( IsPC() && g_pMaterialSystemHardwareConfig->GetDXSupportLevel() >= 95 )
 	{
 		nFPSThreshold1 = 60;
-		nFPSThreshold1 = 50;
+		nFPSThreshold2 = 50;
 	}
 	else if ( IsX360() || g_pMaterialSystemHardwareConfig->GetDXSupportLevel() >= 90 )
 	{
 		nFPSThreshold1 = 30;
-		nFPSThreshold1 = 25;
+		nFPSThreshold2 = 25;
 	}
 
 	if ( nFps >= nFPSThreshold1 )

mp/src/game/client/vgui_messagechars.cpp

@@ -235,9 +235,10 @@ int CMessageCharsPanel::AddText(
 
 	Assert( !msg->text );
 
-	msg->text = new char[ Q_strlen( data ) + 1 ];
+	int textLength = Q_strlen( data ) + 1;
+	msg->text = new char[ textLength ];
 	Assert( msg->text );
-	Q_strncpy( msg->text, data, sizeof( msg->text ) );
+	Q_strncpy( msg->text, data, textLength );
 
 	if ( flTime )
 		msg->fTTL = gpGlobals->curtime + flTime;

mp/src/game/client/viewpostprocess.cpp

@@ -1885,7 +1885,8 @@ static void DrawPyroVignette( int nDestX, int nDestY, int nWidth, int nHeight,	/
 
 	if ( pyro_vignette.GetInt() > 1 )
 	{
-		Vector2D vMaxSize( ( float )nScreenWidth / ( float )nScreenWidth / NUM_PYRO_SEGMENTS * 2.0f, ( float )nScreenHeight / ( float )nScreenHeight / NUM_PYRO_SEGMENTS * 2.0f );
+		float flPyroSegments = 2.0f / NUM_PYRO_SEGMENTS;
+		Vector2D vMaxSize( flPyroSegments, flPyroSegments );
 
 		if ( !bInit )
 		{

mp/src/game/client/viewrender.cpp

@@ -2248,7 +2248,7 @@ void CViewRender::RenderView( const CViewSetup &view, int nClearFlags, int whatT
 		// let vgui know where to render stuff for the forced-to-framebuffer panels
 		if( UseVR() )
 		{
-			vgui::surface()->SetFullscreenViewportAndRenderTarget( viewFramebufferX, viewFramebufferY, viewFramebufferWidth, viewFramebufferHeight, saveRenderTarget );
+			g_pMatSystemSurface->SetFullscreenViewportAndRenderTarget( viewFramebufferX, viewFramebufferY, viewFramebufferWidth, viewFramebufferHeight, saveRenderTarget );
 		}
 
 		// clear the render target if we need to
@@ -3885,7 +3885,7 @@ static void DrawOpaqueRenderables_DrawStaticProps( CClientRenderablesList::CEntr
 	for( CClientRenderablesList::CEntry *itEntity = pEntitiesBegin; itEntity < pEntitiesEnd; ++ itEntity )
 	{
 		if ( itEntity->m_pRenderable )
-			NULL;
+			/**/;
 		else
 			continue;
 
@@ -3935,7 +3935,7 @@ void CRendering3dView::DrawOpaqueRenderables( ERenderDepthMode DepthMode )
 	RopeManager()->ResetRenderCache();
 	g_pParticleSystemMgr->ResetRenderCache();
 
-	bool const bDrawopaquestaticpropslast = r_drawopaquestaticpropslast.GetBool();
+	//bool const bDrawopaquestaticpropslast = r_drawopaquestaticpropslast.GetBool();
 
 	
 	//
@@ -4101,16 +4101,20 @@ void CRendering3dView::DrawOpaqueRenderables( ERenderDepthMode DepthMode )
 
 		for ( int bucket = 0; bucket < RENDER_GROUP_CFG_NUM_OPAQUE_ENT_BUCKETS; ++ bucket )
 		{
-			if ( bDrawopaquestaticpropslast )
+			// PVS-Studio pointed out that the two sides of the if/else were identical. Fixing
+			// this long-broken behavior would change rendering, so I fixed the code but
+			// commented out the new behavior. Uncomment the if statement and else block
+			// when needed.
+			//if ( bDrawopaquestaticpropslast )
 			{
 				DrawOpaqueRenderables_Range( pEnts[bucket][0], pEnts[bucket][1], DepthMode );
 				DrawOpaqueRenderables_DrawStaticProps( pProps[bucket][0], pProps[bucket][1], DepthMode );
 			}
-			else
+			/*else
 			{
-				DrawOpaqueRenderables_Range( pEnts[bucket][0], pEnts[bucket][1], DepthMode );
 				DrawOpaqueRenderables_DrawStaticProps( pProps[bucket][0], pProps[bucket][1], DepthMode );
-			}
+				DrawOpaqueRenderables_Range( pEnts[bucket][0], pEnts[bucket][1], DepthMode );
+			}*/
 		}
 
 

mp/src/game/protobuf_include.vpc

@@ -8,10 +8,10 @@ $MacroRequired "PLATFORM"
 
 $Project
 {
-	$Folder "Libraries"
+	$Folder "Link Libraries"
 	{
-		$Libexternal libprotobuf [!$VS2012 && !$VS2013]
+		$Libexternal $SRCDIR\lib\public\2010\libprotobuf [$VS2010]
 		$Libexternal 2012\libprotobuf [$VS2012]
-		$Libexternal 2013\libprotobuf [$VS2013]
+		$Libexternal libprotobuf [$VS2013 || !$WINDOWS]
 	}
 }

mp/src/game/server/BaseAnimatingOverlay.cpp

@@ -104,9 +104,14 @@ void CAnimationLayer::Init( CBaseAnimatingOverlay *pOverlay )
 	m_nSequence = 0;
 	m_nPriority = 0;
 	m_nOrder.Set( CBaseAnimatingOverlay::MAX_OVERLAYS );
+
+	m_flBlendIn = 0.0;
+	m_flBlendOut = 0.0;
+
 	m_flKillRate = 100.0;
 	m_flKillDelay = 0.0;
 	m_flPlaybackRate = 1.0;
+	m_flLastEventCheck = 0.0;
 	m_flLastAccess = gpGlobals->curtime;
 	m_flLayerAnimtime = 0;
 	m_flLayerFadeOuttime = 0;

mp/src/game/server/EnvFade.cpp

@@ -95,7 +95,7 @@ void CEnvFade::InputFade( inputdata_t &inputdata )
 
 	if ( m_spawnflags & SF_FADE_ONLYONE )
 	{
-		if ( inputdata.pActivator->IsNetClient() )
+		if ( inputdata.pActivator && inputdata.pActivator->IsNetClient() )
 		{
 			UTIL_ScreenFade( inputdata.pActivator, m_clrRender, Duration(), HoldTime(), fadeFlags );
 		}

mp/src/game/server/ai_utils.cpp

@@ -46,7 +46,7 @@ END_DATADESC()
 CAI_ShotRegulator::CAI_ShotRegulator() : m_nMinBurstShots(1), m_nMaxBurstShots(1)
 {
 	m_flMinRestInterval = 0.0f;
-	m_flMinRestInterval = 0.0f;
+	m_flMaxRestInterval = 0.0f;
 	m_flMinBurstInterval = 0.0f;
 	m_flMaxBurstInterval = 0.0f;
 	m_flNextShotTime = -1;

mp/src/game/server/baseentity.cpp

@@ -303,7 +303,7 @@ IMPLEMENT_SERVERCLASS_ST_NOBASE( CBaseEntity, DT_BaseEntity )
 	SendPropBool( SENDINFO( m_bAlternateSorting )),
 
 #ifdef TF_DLL
-	SendPropArray3( SENDINFO_ARRAY3(m_nModelIndexOverrides), SendPropInt( SENDINFO_ARRAY(m_nModelIndexOverrides), SP_MODEL_INDEX_BITS, SPROP_UNSIGNED ) ),
+	SendPropArray3( SENDINFO_ARRAY3(m_nModelIndexOverrides), SendPropInt( SENDINFO_ARRAY(m_nModelIndexOverrides), SP_MODEL_INDEX_BITS, 0 ) ),
 #endif
 
 END_SEND_TABLE()

mp/src/game/server/baseflex.cpp

@@ -1318,9 +1318,9 @@ static Activity DetermineExpressionMoveActivity( CChoreoEvent *event, CAI_BaseNP
 
 	// Custom distance styles are appended to param2 with a space as a separator
 	const char *pszAct = Q_strstr( sParam2, " " );
+	char szActName[256];
 	if ( pszAct )
 	{
-		char szActName[256];
 		Q_strncpy( szActName, sParam2, sizeof(szActName) );
 		szActName[ (pszAct-sParam2) ] = '\0';
 		pszAct = szActName;

mp/src/game/server/env_tonemap_controller.cpp

@@ -169,7 +169,7 @@ void CEnvTonemapController::InputSetBloomScaleRange( inputdata_t &inputdata )
 		return;
 	}
 	m_flCustomBloomScale=bloom_max;
-	m_flCustomBloomScale=bloom_min;
+	m_flCustomBloomScaleMinimum=bloom_min;
 }
 
 //-----------------------------------------------------------------------------

mp/src/game/server/gameinterface.cpp

@@ -1888,9 +1888,13 @@ void CServerGameDLL::SetServerHibernation( bool bHibernating )
 const char *CServerGameDLL::GetServerBrowserMapOverride()
 {
 #ifdef TF_DLL
-	if ( TFGameRules() && TFGameRules()->IsMannVsMachineMode() && g_pPopulationManager && g_pPopulationManager->GetPopulationFilenameShort() != '\0' )
+	if ( TFGameRules() && TFGameRules()->IsMannVsMachineMode() )
 	{
-		return g_pPopulationManager->GetPopulationFilenameShort();
+		const char *pszFilenameShort = g_pPopulationManager ? g_pPopulationManager->GetPopulationFilenameShort() : NULL;
+		if ( pszFilenameShort && pszFilenameShort[0] )
+		{
+			return pszFilenameShort;
+		}
 	}
 #endif
 	return NULL;
@@ -2964,17 +2968,20 @@ void CServerGameClients::ClientSetupVisibility( edict_t *pViewEntity, edict_t *p
 	// Flush the remaining areaportal states.
 	engine->SetAreaPortalStates( portalNums, isOpen, iOutPortal );
 
-	// Update the area bits that get sent to the client.
-	pPlayer->m_Local.UpdateAreaBits( pPlayer, portalBits );
+	if ( pPlayer )
+	{
+		// Update the area bits that get sent to the client.
+		pPlayer->m_Local.UpdateAreaBits( pPlayer, portalBits );
 
 #ifdef PORTAL 
-	// *After* the player's view has updated its area bits, add on any other areas seen by portals
-	CPortal_Player* pPortalPlayer = dynamic_cast<CPortal_Player*>( pPlayer );
-	if ( pPortalPlayer )
-	{
-		pPortalPlayer->UpdatePortalViewAreaBits( pvs, pvssize );
-	}
+		// *After* the player's view has updated its area bits, add on any other areas seen by portals
+		CPortal_Player* pPortalPlayer = dynamic_cast<CPortal_Player*>( pPlayer );
+		if ( pPortalPlayer )
+		{
+			pPortalPlayer->UpdatePortalViewAreaBits( pvs, pvssize );
+		}
 #endif //PORTAL
+	}
 }
 
 

mp/src/game/server/hl2/npc_strider.cpp

@@ -1130,7 +1130,7 @@ void CNPC_Strider::GatherConditions()
 					   !WeaponLOSCondition( GetAdjustedOrigin(), GetEnemy()->BodyTarget( GetAdjustedOrigin() ), false ) ) )
 				{
 #if 0
-					if ( !HasCondition( COND_STRIDER_SHOULD_CROUCH ) && !HasCondition( COND_STRIDER_SHOULD_CROUCH ) )
+					if ( !HasCondition( COND_STRIDER_SHOULD_CROUCH ) )
 						SetIdealHeight( MIN( GetMaxHeight(), GetHeight() + 75.0 * 0.1 ) ); // default to rising up
 #endif
 					GatherHeightConditions( GetAdjustedOrigin(), GetEnemy() );
@@ -1161,7 +1161,7 @@ void CNPC_Strider::GatherConditions()
 //---------------------------------------------------------
 void CNPC_Strider::GatherHeightConditions( const Vector &vTestPos, CBaseEntity *pEntity )
 {
-	if ( HasCondition( COND_STRIDER_SHOULD_CROUCH ) && HasCondition( COND_STRIDER_SHOULD_CROUCH ) )
+	if ( HasCondition( COND_STRIDER_SHOULD_CROUCH ) )
 		return;
 
 	float maxZ = (GetAbsOrigin().z - (GetMaxHeightModel() - GetMaxHeight()));

mp/src/game/server/player.cpp

@@ -7409,6 +7409,13 @@ void CBasePlayer::RemoveWearable( CEconWearable *pItem )
 			m_hMyWearables.Remove( i );
 			break;
 		}
+
+		// Integrety is failing, remove NULLs
+		if ( !pWearable )
+		{
+			m_hMyWearables.Remove( i );
+			break;
+		}
 	}
 
 #ifdef DEBUG

mp/src/game/server/props.cpp

@@ -1517,7 +1517,7 @@ void CBreakableProp::OnPhysGunDrop( CBasePlayer *pPhysGunUser, PhysGunDrop_t Rea
 
 	SetPhysicsAttacker( pPhysGunUser, gpGlobals->curtime );
 
-	if( Reason == PUNTED_BY_CANNON )
+	if( (int)Reason == (int)PUNTED_BY_CANNON )
 	{
 		PlayPuntSound(); 
 	}

mp/src/game/shared/Multiplayer/multiplayer_animstate.cpp

@@ -358,16 +358,21 @@ void CMultiPlayerAnimState::PlayFlinchGesture( Activity iActivity )
 //-----------------------------------------------------------------------------
 bool CMultiPlayerAnimState::InitGestureSlots( void )
 {
-	// Get the base player.
-	CBasePlayer *pPlayer = GetBasePlayer();
-	if( pPlayer )
+	// Setup the number of gesture slots.
+	m_aGestureSlots.AddMultipleToTail( GESTURE_SLOT_COUNT );
+
+	// Assign all of the the CAnimationLayer pointers to null early in case we bail.
+	for ( int iGesture = 0; iGesture < GESTURE_SLOT_COUNT; ++iGesture )
 	{
-		// Set the number of animation overlays we will use.
-		pPlayer->SetNumAnimOverlays( GESTURE_SLOT_COUNT );
+		m_aGestureSlots[iGesture].m_pAnimLayer = NULL;
 	}
 
-	// Setup the number of gesture slots. 
-	m_aGestureSlots.AddMultipleToTail( GESTURE_SLOT_COUNT );
+	// Get the base player.
+	CBasePlayer *pPlayer = GetBasePlayer();
+
+	// Set the number of animation overlays we will use.
+	pPlayer->SetNumAnimOverlays( GESTURE_SLOT_COUNT );
+
 	for ( int iGesture = 0; iGesture < GESTURE_SLOT_COUNT; ++iGesture )
 	{
 		m_aGestureSlots[iGesture].m_pAnimLayer = pPlayer->GetAnimOverlay( iGesture );
@@ -409,6 +414,9 @@ void CMultiPlayerAnimState::ResetGestureSlot( int iGestureSlot )
 	// Sanity Check
 	Assert( iGestureSlot >= 0 && iGestureSlot < GESTURE_SLOT_COUNT );
 
+	if ( !VerifyAnimLayerInSlot( iGestureSlot ) )
+		return;
+
 	GestureSlot_t *pGestureSlot = &m_aGestureSlots[iGestureSlot];
 	if ( pGestureSlot )
 	{
@@ -486,6 +494,36 @@ bool CMultiPlayerAnimState::IsGestureSlotActive( int iGestureSlot )
 	return m_aGestureSlots[iGestureSlot].m_bActive;
 }
 
+
+//-----------------------------------------------------------------------------
+// Purpose: Track down a crash
+//-----------------------------------------------------------------------------
+bool CMultiPlayerAnimState::VerifyAnimLayerInSlot( int iGestureSlot )
+{
+	if ( iGestureSlot < 0 || iGestureSlot >= GESTURE_SLOT_COUNT )
+	{
+		return false;
+	}
+
+	if ( GetBasePlayer()->GetNumAnimOverlays() < iGestureSlot + 1 )
+	{
+		AssertMsg2( false, "Player %d doesn't have gesture slot %d any more.", GetBasePlayer()->entindex(), iGestureSlot );
+		Msg( "Player %d doesn't have gesture slot %d any more.\n", GetBasePlayer()->entindex(), iGestureSlot );
+		m_aGestureSlots[iGestureSlot].m_pAnimLayer = NULL;
+		return false;
+	}
+
+	CAnimationLayer *pExpected = GetBasePlayer()->GetAnimOverlay( iGestureSlot );
+	if ( m_aGestureSlots[iGestureSlot].m_pAnimLayer != pExpected )
+	{
+		AssertMsg3( false, "Gesture slot %d pointing to wrong address %p. Updating to new address %p.", iGestureSlot, m_aGestureSlots[iGestureSlot].m_pAnimLayer, pExpected );
+		Msg( "Gesture slot %d pointing to wrong address %p. Updating to new address %p.\n", iGestureSlot, m_aGestureSlots[iGestureSlot].m_pAnimLayer, pExpected );
+		m_aGestureSlots[iGestureSlot].m_pAnimLayer = pExpected;
+	}
+
+	return true;
+}
+
 //-----------------------------------------------------------------------------
 // Purpose:
 //-----------------------------------------------------------------------------
@@ -509,6 +547,9 @@ void CMultiPlayerAnimState::RestartGesture( int iGestureSlot, Activity iGestureA
 	// Sanity Check
 	Assert( iGestureSlot >= 0 && iGestureSlot < GESTURE_SLOT_COUNT );
 	
+	if ( !VerifyAnimLayerInSlot( iGestureSlot ) )
+			return;
+
 	if ( !IsGestureSlotPlaying( iGestureSlot, iGestureActivity ) )
 	{
 #ifdef CLIENT_DLL
@@ -549,6 +590,9 @@ void CMultiPlayerAnimState::AddToGestureSlot( int iGestureSlot, Activity iGestur
 	if ( !m_aGestureSlots[iGestureSlot].m_pAnimLayer )
 		return;
 
+	if ( !VerifyAnimLayerInSlot( iGestureSlot ) )
+		return;
+
 	// Get the sequence.
 	int iGestureSequence = pPlayer->SelectWeightedSequence( iGestureActivity );
 	if ( iGestureSequence <= 0 )
@@ -623,6 +667,9 @@ void CMultiPlayerAnimState::AddVCDSequenceToGestureSlot( int iGestureSlot, int i
 	if ( !m_aGestureSlots[iGestureSlot].m_pAnimLayer )
 		return;
 
+	if ( !VerifyAnimLayerInSlot( iGestureSlot ) )
+		return;
+
 	// Set the activity.
 	Activity iGestureActivity = ACT_MP_VCD;
 
@@ -1154,6 +1201,9 @@ void CMultiPlayerAnimState::ComputeGestureSequence( CStudioHdr *pStudioHdr )
 		if ( !m_aGestureSlots[iGesture].m_bActive )
 			continue;
 
+		if ( !VerifyAnimLayerInSlot( iGesture ) )
+			continue;
+
 		UpdateGestureLayer( pStudioHdr, &m_aGestureSlots[iGesture] );
 	}
 }

mp/src/game/shared/Multiplayer/multiplayer_animstate.h

@@ -200,6 +200,7 @@ public:
 	void AddVCDSequenceToGestureSlot( int iGestureSlot, int iGestureSequence, float flCycle = 0.0f, bool bAutoKill = true );
 	CAnimationLayer* GetGestureSlotLayer( int iGestureSlot );
 	bool	IsGestureSlotActive( int iGestureSlot );
+	bool	VerifyAnimLayerInSlot( int iGestureSlot );
 
 	// Feet.
 	bool	m_bForceAimYaw;

mp/src/game/shared/base_playeranimstate.cpp

@@ -65,7 +65,7 @@ CBasePlayerAnimState::CBasePlayerAnimState()
 	m_flEyePitch = 0.0f;
 	m_bCurrentFeetYawInitialized = false;
 	m_flCurrentTorsoYaw = 0.0f;
-	m_flCurrentTorsoYaw = TURN_NONE;
+	m_nTurningInPlace = TURN_NONE;
 	m_flMaxGroundSpeed = 0.0f;
 	m_flStoredCycle = 0.0f;
 

mp/src/game/shared/baseachievement.cpp

@@ -427,13 +427,7 @@ void CBaseAchievement::EnsureComponentBitSetAndEvaluate( int iBitNumber )
 
 		// new component, set the bit and increment the count
 		SetComponentBits( m_iComponentBits | iBitMask );
-		Assert( m_iCount <= m_iGoal );
-		if ( m_iCount == m_iGoal )
-		{
-			// all components found, award the achievement (and save state)
-			AwardAchievement();
-		}
-		else
+		if ( m_iCount != m_iGoal )
 		{
 			// save our state at the next good opportunity
 			m_pAchievementMgr->SetDirty( true );		
@@ -453,6 +447,15 @@ void CBaseAchievement::EnsureComponentBitSetAndEvaluate( int iBitNumber )
 			Msg( "Component %d for achievement %s found, but already had that component\n", iBitNumber, GetName() );
 		}
 	}
+
+	// Check to see if we've achieved our goal even if the bit is already set 
+	// (this fixes some older achievements that are stuck in the 9/9 state and could never be evaluated)
+	Assert( m_iCount <= m_iGoal );
+	if ( m_iCount == m_iGoal )
+	{
+		// all components found, award the achievement (and save state)
+		AwardAchievement();
+	}
 }
 
 //-----------------------------------------------------------------------------

mp/src/game/shared/baseachievement.h

@@ -105,6 +105,9 @@ public:
 
 	virtual void Think( void ) { return; }
 
+	const char *GetMapNameFilter( void ){ return m_pMapNameFilter; }
+	CAchievementMgr *GetAchievementMgr( void ){ return m_pAchievementMgr; }
+
 protected:
 	virtual void FireGameEvent( IGameEvent *event );
 	virtual void FireGameEvent_Internal( IGameEvent *event ) {};

mp/src/game/shared/multiplay_gamerules.cpp

@@ -857,9 +857,9 @@ ConVarRef suitcharger( "sk_suitcharger" );
 			{
 				killer_weapon_name += 7;
 			}
-			else if ( strncmp( killer_weapon_name, "NPC_", 8 ) == 0 )
+			else if ( strncmp( killer_weapon_name, "NPC_", 4 ) == 0 )
 			{
-				killer_weapon_name += 8;
+				killer_weapon_name += 4;
 			}
 			else if ( strncmp( killer_weapon_name, "func_", 5 ) == 0 )
 			{

mp/src/game/shared/particle_parse.cpp

@@ -309,7 +309,7 @@ void DispatchParticleEffect( const char *pszParticleName, ParticleAttachment_t i
 	if ( ( data.m_fFlags & PARTICLE_DISPATCH_FROM_ENTITY ) != 0 &&
 		 ( iAttachType == PATTACH_ABSORIGIN_FOLLOW || iAttachType == PATTACH_POINT_FOLLOW || iAttachType == PATTACH_ROOTBONE_FOLLOW ) )
 	{
-		CReliableBroadcastRecipientFilter filter;
+		CBroadcastRecipientFilter filter;
 		DispatchEffect( "ParticleEffect", data, filter );
 	}
 	else

mp/src/game/shared/particle_property.cpp

@@ -200,8 +200,23 @@ void CParticleProperty::AddControlPoint( int iEffectIndex, int iPoint, C_BaseEnt
 	ParticleEffectList_t *pEffect = &m_ParticleEffects[iEffectIndex];
 	Assert( pEffect->pControlPoints.Count() < MAX_PARTICLE_CONTROL_POINTS );
 
-	int iIndex = pEffect->pControlPoints.AddToTail();
-	ParticleControlPoint_t *pNewPoint = &pEffect->pControlPoints[iIndex];
+	// If the control point is already used, override it
+	ParticleControlPoint_t *pNewPoint = NULL;
+	int iIndex = iPoint;
+	FOR_EACH_VEC( pEffect->pControlPoints, i )
+	{
+		if ( pEffect->pControlPoints[i].iControlPoint == iPoint )
+		{
+			pNewPoint = &pEffect->pControlPoints[i];
+		}
+	}
+
+	if ( !pNewPoint )
+	{
+		iIndex = pEffect->pControlPoints.AddToTail();
+		pNewPoint = &pEffect->pControlPoints[iIndex];
+	}
+	
 	pNewPoint->iControlPoint = iPoint;
 	pNewPoint->hEntity = pEntity;
 	pNewPoint->iAttachType = iAttachType;
@@ -553,7 +568,7 @@ void CParticleProperty::UpdateControlPoint( ParticleEffectList_t *pEffect, int i
 		if ( pAnimating )
 		{
 			int bUseHeadOrigin = 0;
-			CALL_ATTRIB_HOOK_INT_ON_OTHER( pPoint->hEntity.Get(), bUseHeadOrigin, particle_effect_use_head_origin );
+			CALL_ATTRIB_HOOK_INT_ON_OTHER( pAnimating, bUseHeadOrigin, particle_effect_use_head_origin );
 			if ( bUseHeadOrigin > 0 )
 			{
 				int iBone = Studio_BoneIndexByName( pAnimating->GetModelPtr(), "bip_head" );
@@ -565,15 +580,17 @@ void CParticleProperty::UpdateControlPoint( ParticleEffectList_t *pEffect, int i
 						iBone = Studio_BoneIndexByName( pAnimating->GetModelPtr(), "prp_hat" );
 					}
 				}
-				if ( iBone >= 0 )
+				if ( iBone < 0 )
 				{
-					bUsingHeadOrigin = true;
-					const matrix3x4_t headBone = pAnimating->GetBone( iBone );
-					MatrixVectors( headBone, &vecForward, &vecRight, &vecUp );
-					MatrixPosition( headBone, vecOrigin );
-
-					CALL_ATTRIB_HOOK_FLOAT_ON_OTHER( pPoint->hEntity.Get(), flOffset, particle_effect_vertical_offset );
+					iBone = 0;
 				}
+
+				bUsingHeadOrigin = true;
+				const matrix3x4_t headBone = pAnimating->GetBone( iBone );
+				MatrixVectors( headBone, &vecForward, &vecRight, &vecUp );
+				MatrixPosition( headBone, vecOrigin );
+
+				CALL_ATTRIB_HOOK_FLOAT_ON_OTHER( pAnimating, flOffset, particle_effect_vertical_offset );	
 			}
 		}
 	}

mp/src/public/VGuiMatSurface/IMatSystemSurface.h

@@ -106,9 +106,8 @@ public:
 // Gets a material bound to a surface texture ID
 	virtual IMaterial *DrawGetTextureMaterial( int id ) = 0;
 
-	// The matching method is in ISurface, but we can't add anything there and remain mod-compatible.
-	// So this goes here instead.
 	virtual void GetFullscreenViewportAndRenderTarget( int & x, int & y, int & w, int & h, ITexture **ppRenderTarget ) = 0;
+	virtual void SetFullscreenViewportAndRenderTarget( int x, int y, int w, int h, ITexture *pRenderTarget ) = 0;
 };