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movieobjects/dmematerial.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================
+#include "movieobjects/dmematerial.h"
+#include "datamodel/dmelementfactoryhelper.h"
+#include "movieobjects_interfaces.h"
+
+#include "materialsystem/imaterial.h"
+#include "materialsystem/imaterialsystem.h"
+#include "tier2/tier2.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+
+//-----------------------------------------------------------------------------
+// Expose this class to the scene database 
+//-----------------------------------------------------------------------------
+IMPLEMENT_ELEMENT_FACTORY( DmeMaterial, CDmeMaterial );
+
+
+//-----------------------------------------------------------------------------
+// Constructor, destructor
+//-----------------------------------------------------------------------------
+void CDmeMaterial::OnConstruction()
+{
+	m_pMTL = NULL;
+	m_mtlName.Init( this, "mtlName" );
+}
+
+void CDmeMaterial::OnDestruction()
+{
+}
+
+
+//-----------------------------------------------------------------------------
+// resolve
+//-----------------------------------------------------------------------------
+void CDmeMaterial::Resolve()
+{
+	BaseClass::Resolve();
+	if ( m_mtlName.IsDirty() )
+	{
+		m_pMTL = NULL; // no cleanup necessary
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Sets the material
+//-----------------------------------------------------------------------------
+void CDmeMaterial::SetMaterial( const char *pMaterialName )
+{
+	m_mtlName = pMaterialName;
+}
+
+
+//-----------------------------------------------------------------------------
+// Returns the material name
+//-----------------------------------------------------------------------------
+const char *CDmeMaterial::GetMaterialName() const
+{
+	return m_mtlName;
+}
+
+
+//-----------------------------------------------------------------------------
+// accessor for cached IMaterial
+//-----------------------------------------------------------------------------
+IMaterial *CDmeMaterial::GetCachedMTL()
+{
+	if ( m_pMTL == NULL )
+	{
+		const char *mtlName = m_mtlName.Get();
+		if ( mtlName == NULL )
+			return NULL;
+		m_pMTL = g_pMaterialSystem->FindMaterial( mtlName, NULL, false );
+	}
+	return m_pMTL;
+}