diff --git a/game/client/c_baseanimating.cpp b/game/client/c_baseanimating.cpp
index c41ff46b..5727d7b0 100644
--- a/game/client/c_baseanimating.cpp
+++ b/game/client/c_baseanimating.cpp
@@ -677,6 +677,8 @@ C_BaseAnimating::C_BaseAnimating() :
 	m_pRagdoll		= NULL;
 	m_builtRagdoll = false;
 	m_hitboxBoneCacheHandle = 0;
+	m_nHitboxSet = 0;
+
 	int i;
 	for ( i = 0; i < ARRAYSIZE( m_flEncodedController ); i++ )
 	{
@@ -694,6 +696,8 @@ C_BaseAnimating::C_BaseAnimating() :
 
 	m_bStoreRagdollInfo = false;
 	m_pRagdollInfo = NULL;
+	m_pJiggleBones = NULL;
+	m_pBoneMergeCache = NULL;
 
 	m_flPlaybackRate = 1.0f;
 
diff --git a/game/client/c_baseentity.cpp b/game/client/c_baseentity.cpp
index 8f40d7ef..ca8c8348 100644
--- a/game/client/c_baseentity.cpp
+++ b/game/client/c_baseentity.cpp
@@ -903,6 +903,7 @@ C_BaseEntity::C_BaseEntity() :
 
 	m_DataChangeEventRef = -1;
 	m_EntClientFlags = 0;
+	m_bEnableRenderingClipPlane = false;
 
 	m_iParentAttachment = 0;
 	m_nRenderFXBlend = 255;
@@ -940,10 +941,12 @@ C_BaseEntity::C_BaseEntity() :
 #if !defined( NO_ENTITY_PREDICTION )
 	m_pPredictionContext = NULL;
 #endif
-	
 	//NOTE: not virtual! we are in the constructor!
 	C_BaseEntity::Clear();
-	
+
+	SetModelName( NULL_STRING );
+	m_iClassname = NULL_STRING;
+
 	m_InterpolationListEntry = 0xFFFF;
 	m_TeleportListEntry = 0xFFFF;
 
@@ -984,7 +987,6 @@ C_BaseEntity::~C_BaseEntity()
 void C_BaseEntity::Clear( void )
 {
 	m_bDormant = true;
-
 	m_nCreationTick = -1;
 	m_RefEHandle.Term();
 	m_ModelInstance = MODEL_INSTANCE_INVALID;
@@ -998,6 +1000,7 @@ void C_BaseEntity::Clear( void )
 	SetLocalOrigin( vec3_origin );
 	SetLocalAngles( vec3_angle );
 	model = NULL;
+	m_pOriginalData = NULL;
 	m_vecAbsOrigin.Init();
 	m_angAbsRotation.Init();
 	m_vecVelocity.Init();
@@ -3741,7 +3744,7 @@ void C_BaseEntity::AddColoredDecal( const Vector& rayStart, const Vector& rayEnd
 
 	case mod_brush:
 		{
-			color32 cColor32 = { cColor.r(), cColor.g(), cColor.b(), cColor.a() };
+			color32 cColor32 = { (uint8)cColor.r(), (uint8)cColor.g(), (uint8)cColor.b(), (uint8)cColor.a() };
 			effects->DecalColorShoot( decalIndex, index, model, GetAbsOrigin(), GetAbsAngles(), decalCenter, 0, 0, cColor32 );
 		}
 		break;
diff --git a/game/client/c_baseflex.h b/game/client/c_baseflex.h
index 71cee3d8..56c86cb3 100644
--- a/game/client/c_baseflex.h
+++ b/game/client/c_baseflex.h
@@ -91,7 +91,7 @@ struct FS_LocalToGlobal_t
 
 	const flexsettinghdr_t	*m_Key;
 	int						m_nCount;
-	int						*m_Mapping;	
+	int						*m_Mapping = NULL;
 };
 
 bool FlexSettingLessFunc( const FS_LocalToGlobal_t& lhs, const FS_LocalToGlobal_t& rhs );
diff --git a/game/client/c_func_occluder.cpp b/game/client/c_func_occluder.cpp
index b9c2f56f..32d01687 100644
--- a/game/client/c_func_occluder.cpp
+++ b/game/client/c_func_occluder.cpp
@@ -24,7 +24,7 @@ public:
 
 private:
 	int m_nOccluderIndex;
-	bool m_bActive;
+	bool m_bActive = false;
 };
 
 IMPLEMENT_CLIENTCLASS_DT( C_FuncOccluder, DT_FuncOccluder, CFuncOccluder )
diff --git a/game/client/c_te_legacytempents.cpp b/game/client/c_te_legacytempents.cpp
index 3c8adf68..831715a8 100644
--- a/game/client/c_te_legacytempents.cpp
+++ b/game/client/c_te_legacytempents.cpp
@@ -1539,7 +1539,7 @@ void CTempEnts::BloodSprite( const Vector &org, int r, int g, int b, int a, int
 	{
 		C_LocalTempEntity		*pTemp;
 		int						frameCount = modelinfo->GetModelFrameCount( model );
-		color32					impactcolor = { r, g, b, a };
+		color32					impactcolor = { (uint8)r, (uint8)g, (uint8)b, (uint8)a };
 
 		//Large, single blood sprite is a high-priority tent
 		if ( ( pTemp = TempEntAllocHigh( org, model ) ) != NULL )
diff --git a/game/client/hud_basechat.cpp b/game/client/hud_basechat.cpp
index 69d67862..db9dc2fa 100644
--- a/game/client/hud_basechat.cpp
+++ b/game/client/hud_basechat.cpp
@@ -633,6 +633,7 @@ CBaseHudChat::CBaseHudChat( const char *pElementName )
 	}
 
 	m_pChatHistory = new CHudChatHistory( this, "HudChatHistory" );
+	m_pFilterPanel = NULL;
 
 	CreateChatLines();
 	CreateChatInputLine();
@@ -1829,4 +1830,4 @@ void CBaseHudChat::FireGameEvent( IGameEvent *event )
 		ChatPrintf( player->entindex(), CHAT_FILTER_NONE, "(SourceTV) %s", event->GetString( "text" ) );
 	}
 #endif
-}
\ No newline at end of file
+}
diff --git a/game/client/view.cpp b/game/client/view.cpp
index 333a2756..3c28d89a 100644
--- a/game/client/view.cpp
+++ b/game/client/view.cpp
@@ -931,7 +931,7 @@ void CViewRender::WriteSaveGameScreenshotOfSize( const char *pFilename, int widt
 	{
 		// Write TGA format to buffer
 		int iMaxTGASize = 1024 + ( nSrcWidth * nSrcHeight * 4 );
-		void *pTGA = malloc( iMaxTGASize );
+		void *pTGA = new char[ iMaxTGASize ];
 		buffer.SetExternalBuffer( pTGA, iMaxTGASize, 0 );
 
 		bWriteResult = TGAWriter::WriteToBuffer( pSrcImage, buffer, nSrcWidth, nSrcHeight, IMAGE_FORMAT_RGB888, IMAGE_FORMAT_RGB888 );
diff --git a/game/client/viewrender.cpp b/game/client/viewrender.cpp
index a629071b..0240c238 100644
--- a/game/client/viewrender.cpp
+++ b/game/client/viewrender.cpp
@@ -1435,8 +1435,8 @@ static void GetFogColorTransition( fogparams_t *pFogParams, float *pColorPrimary
 	{
 		float flPercent = 1.0f - (( pFogParams->lerptime - gpGlobals->curtime ) / pFogParams->duration );
 
-		float flPrimaryColorLerp[3] = { pFogParams->colorPrimaryLerpTo.GetR(), pFogParams->colorPrimaryLerpTo.GetG(), pFogParams->colorPrimaryLerpTo.GetB() };
-		float flSecondaryColorLerp[3] = { pFogParams->colorSecondaryLerpTo.GetR(), pFogParams->colorSecondaryLerpTo.GetG(), pFogParams->colorSecondaryLerpTo.GetB() };
+		float flPrimaryColorLerp[3] = { (float)pFogParams->colorPrimaryLerpTo.GetR(), (float)pFogParams->colorPrimaryLerpTo.GetG(), (float)pFogParams->colorPrimaryLerpTo.GetB() };
+		float flSecondaryColorLerp[3] = { (float)pFogParams->colorSecondaryLerpTo.GetR(), (float)pFogParams->colorSecondaryLerpTo.GetG(), (float)pFogParams->colorSecondaryLerpTo.GetB() };
 
 		CheckAndTransitionColor( flPercent, pColorPrimary, flPrimaryColorLerp );
 		CheckAndTransitionColor( flPercent, pColorSecondary, flSecondaryColorLerp );
@@ -1459,8 +1459,8 @@ static void GetFogColor( fogparams_t *pFogParams, float *pColor )
 	}
 	else
 	{
-		float flPrimaryColor[3] = { pFogParams->colorPrimary.GetR(), pFogParams->colorPrimary.GetG(), pFogParams->colorPrimary.GetB() };
-		float flSecondaryColor[3] = { pFogParams->colorSecondary.GetR(), pFogParams->colorSecondary.GetG(), pFogParams->colorSecondary.GetB() };
+		float flPrimaryColor[3] = { (float)pFogParams->colorPrimary.GetR(), (float)pFogParams->colorPrimary.GetG(), (float)pFogParams->colorPrimary.GetB() };
+		float flSecondaryColor[3] = { (float)pFogParams->colorSecondary.GetR(), (float)pFogParams->colorSecondary.GetG(), (float)pFogParams->colorSecondary.GetB() };
 
 		GetFogColorTransition( pFogParams, flPrimaryColor, flSecondaryColor );
 
@@ -2689,6 +2689,7 @@ bool DoesViewPlaneIntersectWater( float waterZ, int leafWaterDataID )
 //			&view - the camera view to render from
 //			nClearFlags -  how to clear the buffer
 //-----------------------------------------------------------------------------
+
 void CViewRender::ViewDrawScene_PortalStencil( const CViewSetup &viewIn, ViewCustomVisibility_t *pCustomVisibility )
 {
 	VPROF( "CViewRender::ViewDrawScene_PortalStencil" );
@@ -2700,28 +2701,6 @@ void CViewRender::ViewDrawScene_PortalStencil( const CViewSetup &viewIn, ViewCus
 	QAngle vecOldAngles = CurrentViewAngles();
 
 	int iCurrentViewID = g_CurrentViewID;
-	int iRecursionLevel = g_pPortalRender->GetViewRecursionLevel();
-	Assert( iRecursionLevel > 0 );
-
-	//get references to reflection textures
-	CTextureReference pPrimaryWaterReflectionTexture;
-	pPrimaryWaterReflectionTexture.Init( GetWaterReflectionTexture() );
-	CTextureReference pReplacementWaterReflectionTexture;
-	pReplacementWaterReflectionTexture.Init( portalrendertargets->GetWaterReflectionTextureForStencilDepth( iRecursionLevel ) );
-
-	//get references to refraction textures
-	CTextureReference pPrimaryWaterRefractionTexture;
-	pPrimaryWaterRefractionTexture.Init( GetWaterRefractionTexture() );
-	CTextureReference pReplacementWaterRefractionTexture;
-	pReplacementWaterRefractionTexture.Init( portalrendertargets->GetWaterRefractionTextureForStencilDepth( iRecursionLevel ) );
-
-
-	//swap texture contents for the primary render targets with those we set aside for this recursion level
-	if( pReplacementWaterReflectionTexture != NULL )
-		pPrimaryWaterReflectionTexture->SwapContents( pReplacementWaterReflectionTexture );
-
-	if( pReplacementWaterRefractionTexture != NULL )
-		pPrimaryWaterRefractionTexture->SwapContents( pReplacementWaterRefractionTexture );
 
 	bool bDrew3dSkybox = false;
 	SkyboxVisibility_t nSkyboxVisible = SKYBOX_NOT_VISIBLE;
@@ -2738,7 +2717,7 @@ void CViewRender::ViewDrawScene_PortalStencil( const CViewSetup &viewIn, ViewCus
 	//generate unique view ID's for each stencil view
 	view_id_t iNewViewID = (view_id_t)g_pPortalRender->GetCurrentViewId();
 	SetupCurrentView( view.origin, view.angles, (view_id_t)iNewViewID );
-	
+
 	// update vis data
 	unsigned int visFlags;
 	SetupVis( view, visFlags, pCustomVisibility );
@@ -2757,10 +2736,10 @@ void CViewRender::ViewDrawScene_PortalStencil( const CViewSetup &viewIn, ViewCus
 	DetermineWaterRenderInfo( fogInfo, waterInfo );
 
 	if ( waterInfo.m_bCheapWater )
-	{		     
+	{
 		cplane_t glassReflectionPlane;
 		if ( IsReflectiveGlassInView( viewIn, glassReflectionPlane ) )
-		{								    
+		{
 			CRefPtr<CReflectiveGlassView> pGlassReflectionView = new CReflectiveGlassView( this );
 			pGlassReflectionView->Setup( viewIn, VIEW_CLEAR_DEPTH | VIEW_CLEAR_COLOR | VIEW_CLEAR_OBEY_STENCIL, drawSkybox, fogInfo, waterInfo, glassReflectionPlane );
 			AddViewToScene( pGlassReflectionView );
@@ -2813,14 +2792,6 @@ void CViewRender::ViewDrawScene_PortalStencil( const CViewSetup &viewIn, ViewCus
 	// Return to the previous view
 	SetupCurrentView( vecOldOrigin, vecOldAngles, (view_id_t)iCurrentViewID );
 	g_CurrentViewID = iCurrentViewID; //just in case the cast to view_id_t screwed up the id #
-
-
-	//swap back the water render targets
-	if( pReplacementWaterReflectionTexture != NULL )
-		pPrimaryWaterReflectionTexture->SwapContents( pReplacementWaterReflectionTexture );
-
-	if( pReplacementWaterRefractionTexture != NULL )
-		pPrimaryWaterRefractionTexture->SwapContents( pReplacementWaterRefractionTexture );
 }
 
 void CViewRender::Draw3dSkyboxworld_Portal( const CViewSetup &view, int &nClearFlags, bool &bDrew3dSkybox, SkyboxVisibility_t &nSkyboxVisible, ITexture *pRenderTarget ) 
diff --git a/game/server/ai_basenpc.cpp b/game/server/ai_basenpc.cpp
index 1db9eab1..0acc458f 100644
--- a/game/server/ai_basenpc.cpp
+++ b/game/server/ai_basenpc.cpp
@@ -11331,6 +11331,7 @@ CAI_BaseNPC::CAI_BaseNPC(void)
 	m_flHeadYaw					= 0;
 	m_flHeadPitch				= 0;
 	m_spawnEquipment			= NULL_STRING;
+	m_SquadName = NULL_STRING;
 	m_pEnemies					= new CAI_Enemies;
 	m_bIgnoreUnseenEnemies		= false;
 	m_flEyeIntegRate			= 0.95;
diff --git a/game/server/ai_behavior_lead.cpp b/game/server/ai_behavior_lead.cpp
index 6a316c1e..a844f546 100644
--- a/game/server/ai_behavior_lead.cpp
+++ b/game/server/ai_behavior_lead.cpp
@@ -1543,7 +1543,7 @@ void CAI_LeadGoal::InputActivate( inputdata_t &inputdata )
 	AI_LeadArgs_t leadArgs = { 
 		GetGoalEntityName(), 
 		STRING(m_iszWaitPointName), 
-		m_spawnflags, 
+		(unsigned)m_spawnflags, 
 		m_flWaitDistance, 
 		m_flLeadDistance, 
 		m_flRetrieveDistance, 
diff --git a/game/server/ai_squad.cpp b/game/server/ai_squad.cpp
index 17e0c18f..9ad4b6bb 100644
--- a/game/server/ai_squad.cpp
+++ b/game/server/ai_squad.cpp
@@ -153,7 +153,7 @@ END_DATADESC()
 
 //-------------------------------------
 
-CAI_Squad::CAI_Squad(string_t newName) 
+CAI_Squad::CAI_Squad(string_t newName)
 #ifndef PER_ENEMY_SQUADSLOTS
  :	m_squadSlotsUsed(MAX_SQUADSLOTS)
 #endif
@@ -163,7 +163,7 @@ CAI_Squad::CAI_Squad(string_t newName)
 
 //-------------------------------------
 
-CAI_Squad::CAI_Squad() 
+CAI_Squad::CAI_Squad()
 #ifndef PER_ENEMY_SQUADSLOTS
  :	m_squadSlotsUsed(MAX_SQUADSLOTS)
 #endif
@@ -175,7 +175,7 @@ CAI_Squad::CAI_Squad()
 
 void CAI_Squad::Init(string_t newName) 
 {
-	m_Name = AllocPooledString( STRING(newName) );
+	m_Name = newName;
 	m_pNextSquad = NULL;
 	m_flSquadSoundWaitTime = 0;
 	m_SquadMembers.RemoveAll();
diff --git a/game/server/func_dust.cpp b/game/server/func_dust.cpp
index 3e3fcb21..5bf15160 100644
--- a/game/server/func_dust.cpp
+++ b/game/server/func_dust.cpp
@@ -162,7 +162,7 @@ void CFunc_Dust::Spawn()
 
 	//Since keyvalues can arrive in any order, and UTIL_StringToColor32 stomps alpha,
 	//install the alpha value here.
-	color32 clr = { m_Color.m_Value.r, m_Color.m_Value.g, m_Color.m_Value.b, m_iAlpha };
+	color32 clr = { m_Color.m_Value.r, m_Color.m_Value.g, m_Color.m_Value.b, (uint8)m_iAlpha };
 	m_Color.Set( clr );
 
 	BaseClass::Spawn();
diff --git a/game/server/hl1/hl1_ents.cpp b/game/server/hl1/hl1_ents.cpp
index c5ab56ef..5aba5f29 100644
--- a/game/server/hl1/hl1_ents.cpp
+++ b/game/server/hl1/hl1_ents.cpp
@@ -289,7 +289,7 @@ bool CMultiManager::KeyValue( const char *szKeyName, const char *szValue )
 		{
 			char tmp[128];
 
-			UTIL_StripToken( szKeyName, tmp, Q_ARRAYSIZE( tmp ) );
+			UTIL_StripToken( szKeyName, tmp );
 			m_iTargetName [ m_cTargets ] = AllocPooledString( tmp );
 			m_flTargetDelay [ m_cTargets ] = atof (szValue);
 			m_cTargets++;
diff --git a/game/server/hl2/npc_scanner.cpp b/game/server/hl2/npc_scanner.cpp
index 031ce6d9..e0ed558a 100644
--- a/game/server/hl2/npc_scanner.cpp
+++ b/game/server/hl2/npc_scanner.cpp
@@ -1988,7 +1988,7 @@ void CNPC_CScanner::BlindFlashTarget( CBaseEntity *pTarget )
 
 		if ( tr.startsolid == false && tr.fraction == 1.0)
 		{
-			color32 white = { 255, 255, 255, SCANNER_FLASH_MAX_VALUE * dotPr };
+			color32 white = { 255, 255, 255, (uint8)(SCANNER_FLASH_MAX_VALUE * dotPr) };
 
 			if ( ( g_pMaterialSystemHardwareConfig != NULL ) && ( g_pMaterialSystemHardwareConfig->GetHDRType() != HDR_TYPE_NONE ) )
 			{
diff --git a/game/server/nav_mesh.h b/game/server/nav_mesh.h
index 24faed41..fe5c98d9 100644
--- a/game/server/nav_mesh.h
+++ b/game/server/nav_mesh.h
@@ -199,7 +199,7 @@ public:
 	unsigned int operator()( const NavVisPair_t &item ) const
 	{
 		COMPILE_TIME_ASSERT( sizeof(CNavArea *) == 4 );
-		int key[2] = { (int)item.pAreas[0] + item.pAreas[1]->GetID(), (int)item.pAreas[1] + item.pAreas[0]->GetID() };
+		int key[2] = { (int)(item.pAreas[0] + item.pAreas[1]->GetID()), (int)(item.pAreas[1] + item.pAreas[0]->GetID()) };
 		return Hash8( key );	
 	}
 };
diff --git a/game/shared/Sprite.cpp b/game/shared/Sprite.cpp
index 2393f148..8eed62e4 100644
--- a/game/shared/Sprite.cpp
+++ b/game/shared/Sprite.cpp
@@ -174,7 +174,7 @@ BEGIN_NETWORK_TABLE( CSprite, DT_Sprite )
 END_NETWORK_TABLE()
 
 
-CSprite::CSprite()
+CSprite::CSprite() : BaseClass()
 {
 	m_flGlowProxySize = 2.0f;
 	m_flHDRColorScale = 1.0f;
diff --git a/game/shared/basecombatweapon_shared.cpp b/game/shared/basecombatweapon_shared.cpp
index 754919d3..0b35d147 100644
--- a/game/shared/basecombatweapon_shared.cpp
+++ b/game/shared/basecombatweapon_shared.cpp
@@ -60,7 +60,7 @@ ConVar tf_weapon_criticals_bucket_bottom( "tf_weapon_criticals_bucket_bottom", "
 ConVar tf_weapon_criticals_bucket_default( "tf_weapon_criticals_bucket_default", "300.0", FCVAR_REPLICATED | FCVAR_CHEAT );
 #endif // TF
 
-CBaseCombatWeapon::CBaseCombatWeapon()
+CBaseCombatWeapon::CBaseCombatWeapon() : BASECOMBATWEAPON_DERIVED_FROM()
 {
 	// Constructor must call this
 	// CONSTRUCT_PREDICTABLE( CBaseCombatWeapon );
@@ -77,6 +77,7 @@ CBaseCombatWeapon::CBaseCombatWeapon()
 	m_nViewModelIndex	= 0;
 
 	m_bFlipViewModel	= false;
+	m_iSubType = 0;
 
 #if defined( CLIENT_DLL )
 	m_iState = m_iOldState = WEAPON_NOT_CARRIED;