1

game/client/portal/MaterialProxy_Portal_PickAlphaMask.cpp

@@ -0,0 +1,127 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "materialsystem/imaterialproxy.h"
+#include "materialsystem/imaterialvar.h"
+#include "materialsystem/imaterial.h"
+#include "materialsystem/itexture.h"
+#include "toolframework_client.h"
+#include "portalrenderable_flatbasic.h"
+#include <KeyValues.h>
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+class CPortalPickAlphaMaskProxy : public IMaterialProxy
+{
+private:
+	IMaterialVar *m_AlphaMaskTextureOutput;
+	IMaterialVar *m_AlphaMaskTextureFrame;
+	ITexture *m_pOpeningTexture;
+	ITexture *m_pIdleTexture;
+
+public:
+	CPortalPickAlphaMaskProxy( void );
+	~CPortalPickAlphaMaskProxy( void );
+	virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
+	virtual void OnBind( void *pBind );
+	virtual void Release( void ) { delete this; }
+	virtual IMaterial *	GetMaterial() 
+	{ 
+		if ( m_AlphaMaskTextureOutput )
+			return m_AlphaMaskTextureOutput->GetOwningMaterial();
+		if ( m_AlphaMaskTextureFrame )
+			return m_AlphaMaskTextureFrame->GetOwningMaterial();
+		return NULL; 
+	}
+};
+
+CPortalPickAlphaMaskProxy::CPortalPickAlphaMaskProxy( void )
+: m_pOpeningTexture( NULL ), m_pIdleTexture( NULL )
+{
+
+}
+
+CPortalPickAlphaMaskProxy::~CPortalPickAlphaMaskProxy( void )
+{
+	if( m_pOpeningTexture )
+	{
+		m_pOpeningTexture->DecrementReferenceCount();
+		m_pOpeningTexture = NULL;
+	}
+
+	if( m_pIdleTexture )
+	{
+		m_pIdleTexture->DecrementReferenceCount();
+		m_pIdleTexture = NULL;
+	}
+}
+
+bool CPortalPickAlphaMaskProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
+{
+	char const* pszResultVar = pKeyValues->GetString( "maskTextureVar" );
+	if( !pszResultVar )
+		return false;
+
+	char const* pszFrameVar = pKeyValues->GetString( "maskFrameVar" );
+	if( !pszFrameVar )
+		return false;
+
+	char const* pszOpeningTextureInput = pKeyValues->GetString( "openingTexture" );
+	if( !pszOpeningTextureInput )
+		return false;
+
+	char const* pszIdleTextureInput = pKeyValues->GetString( "idleTexture" );
+	if( !pszIdleTextureInput )
+		return false;
+
+	bool foundVar;
+	m_AlphaMaskTextureOutput = pMaterial->FindVar( pszResultVar, &foundVar, false );
+	if( !foundVar )
+		return false;
+
+	m_AlphaMaskTextureFrame = pMaterial->FindVar( pszFrameVar, &foundVar, false );
+	if( !foundVar )
+		return false;
+
+
+	m_pOpeningTexture = materials->FindTexture( pszOpeningTextureInput, TEXTURE_GROUP_CLIENT_EFFECTS );
+	m_pOpeningTexture->IncrementReferenceCount();
+	m_pIdleTexture = materials->FindTexture( pszIdleTextureInput, TEXTURE_GROUP_CLIENT_EFFECTS );	
+	m_pIdleTexture->IncrementReferenceCount();
+	return true;
+}
+
+void CPortalPickAlphaMaskProxy::OnBind( void *pBind )
+{
+	if( pBind == NULL )
+		return;
+
+	IClientRenderable *pRenderable = (IClientRenderable*)( pBind );
+
+	CPortalRenderable_FlatBasic *pFlatBasic = dynamic_cast<CPortalRenderable_FlatBasic*>( pRenderable );
+
+	if ( !pFlatBasic )
+		return;
+
+	if( pFlatBasic->m_fOpenAmount == 1.0f )
+	{
+		m_AlphaMaskTextureOutput->SetTextureValue( m_pIdleTexture );
+	}
+	else
+	{
+		m_AlphaMaskTextureOutput->SetTextureValue( m_pOpeningTexture );
+		m_AlphaMaskTextureFrame->SetIntValue( pFlatBasic->m_fOpenAmount * m_pOpeningTexture->GetNumAnimationFrames() );
+	}
+
+	if ( ToolsEnabled() )
+	{
+		ToolFramework_RecordMaterialParams( GetMaterial() );
+	}
+}
+
+EXPOSE_INTERFACE( CPortalPickAlphaMaskProxy, IMaterialProxy, "PortalPickAlphaMask" IMATERIAL_PROXY_INTERFACE_VERSION );