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game/client/AnimateSpecificTextureProxy.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Acts exactly like "AnimatedTexture", but ONLY if the texture 
+//			it's working on matches the desired texture to work on.
+//
+//			This assumes that some other proxy will be switching out the textures.
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "materialsystem/imaterialproxy.h"
+#include "materialsystem/imaterialvar.h"
+#include "materialsystem/imaterial.h"
+#include "materialsystem/itexture.h"
+#include "baseanimatedtextureproxy.h"
+#include "utlstring.h"
+#include <KeyValues.h>
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+class CAnimateSpecificTexture : public CBaseAnimatedTextureProxy
+{
+private:
+	CUtlString m_OnlyAnimateOnTexture;
+public:
+	virtual float GetAnimationStartTime( void* pBaseEntity ) { return 0; }
+	virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
+	virtual void OnBind( void *pC_BaseEntity );
+	virtual void Release( void ) { delete this; }
+};
+
+bool CAnimateSpecificTexture::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
+{
+	char const* pszAnimateOnTexture = pKeyValues->GetString( "onlyAnimateOnTexture" );
+	if( !pszAnimateOnTexture )
+		return false;
+
+	m_OnlyAnimateOnTexture.Set( pszAnimateOnTexture );
+
+	return CBaseAnimatedTextureProxy::Init( pMaterial, pKeyValues );
+}
+
+void CAnimateSpecificTexture::OnBind( void *pC_BaseEntity )
+{
+	if( FStrEq( m_AnimatedTextureVar->GetTextureValue()->GetName(), m_OnlyAnimateOnTexture ) )
+	{
+		CBaseAnimatedTextureProxy::OnBind( pC_BaseEntity );
+	}
+	//else do nothing
+}
+
+EXPOSE_INTERFACE( CAnimateSpecificTexture, IMaterialProxy, "AnimateSpecificTexture" IMATERIAL_PROXY_INTERFACE_VERSION );