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game/client/toggletextureproxy.cpp

@@ -0,0 +1,126 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "toggletextureproxy.h"
+#include "materialsystem/imaterial.h"
+#include "materialsystem/imaterialvar.h"
+#include "materialsystem/itexture.h"
+#include <KeyValues.h>
+#include "functionproxy.h"
+#include "toolframework_client.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+// forward declarations
+void ToolFramework_RecordMaterialParams( IMaterial *pMaterial );
+
+EXPOSE_INTERFACE( CBaseToggleTextureProxy, IMaterialProxy, "ToggleTexture" IMATERIAL_PROXY_INTERFACE_VERSION );
+
+//-----------------------------------------------------------------------------
+// Constructor, destructor: 
+//-----------------------------------------------------------------------------
+
+CBaseToggleTextureProxy::CBaseToggleTextureProxy()
+{
+	Cleanup();
+}
+
+CBaseToggleTextureProxy::~CBaseToggleTextureProxy()
+{
+	Cleanup();
+}
+
+C_BaseEntity *CBaseToggleTextureProxy::BindArgToEntity( void *pArg )
+{
+	IClientRenderable *pRend = (IClientRenderable *)pArg;
+	return pRend->GetIClientUnknown()->GetBaseEntity();
+}
+
+//-----------------------------------------------------------------------------
+// Initialization, shutdown
+//-----------------------------------------------------------------------------
+bool CBaseToggleTextureProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
+{
+	char const* pTextureVarName = pKeyValues->GetString( "toggleTextureVar" );
+	if( !pTextureVarName )
+		return false;
+
+	bool foundVar;
+	m_TextureVar = pMaterial->FindVar( pTextureVarName, &foundVar, false );
+	if( !foundVar )
+		return false;
+
+	char const* pTextureFrameNumVarName = pKeyValues->GetString( "toggleTextureFrameNumVar" );
+	if( !pTextureFrameNumVarName )
+		return false;
+
+	m_TextureFrameNumVar = pMaterial->FindVar( pTextureFrameNumVarName, &foundVar, false );
+	if( !foundVar )
+		return false;
+	
+	m_WrapAnimation = !!pKeyValues->GetInt( "toggleShouldWrap", 1 );
+	return true;
+}
+
+void CBaseToggleTextureProxy::Cleanup()
+{
+	m_TextureVar = NULL;
+	m_TextureFrameNumVar = NULL;
+}
+
+
+//-----------------------------------------------------------------------------
+// Does the dirty deed
+//-----------------------------------------------------------------------------
+void CBaseToggleTextureProxy::OnBind( void *pC_BaseEntity )
+{
+	assert ( m_TextureVar );
+
+	if (!pC_BaseEntity)
+		return;
+
+	if( m_TextureVar->GetType() != MATERIAL_VAR_TYPE_TEXTURE )
+	{
+		return;
+	}
+
+	ITexture *pTexture = NULL;
+
+	pTexture = m_TextureVar->GetTextureValue();
+
+	if ( pTexture == NULL )
+		 return;
+
+	C_BaseEntity *pEntity = BindArgToEntity( pC_BaseEntity );
+
+	if ( pEntity == NULL )
+		 return;
+	
+	int numFrames = pTexture->GetNumAnimationFrames();
+	int frame = pEntity->GetTextureFrameIndex();
+
+	int intFrame = ((int)frame) % numFrames; 
+
+	if ( m_WrapAnimation == false )
+	{
+		if ( frame > numFrames )
+			 intFrame = numFrames;
+	}
+		
+	m_TextureFrameNumVar->SetIntValue( intFrame );
+
+	if ( ToolsEnabled() )
+	{
+		ToolFramework_RecordMaterialParams( GetMaterial() );
+	}
+}
+
+IMaterial *CBaseToggleTextureProxy::GetMaterial()
+{
+	return m_TextureFrameNumVar->GetOwningMaterial();
+}