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game/client/WorldDimsProxy.cpp

@@ -0,0 +1,78 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "materialsystem/imaterialproxy.h"
+#include "materialsystem/imaterial.h"
+#include "materialsystem/imaterialvar.h"
+#include "c_world.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 );
+
+class CWorldDimsProxy : public IMaterialProxy
+{
+public:
+	CWorldDimsProxy();
+	virtual ~CWorldDimsProxy();
+	virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
+	virtual void OnBind( void *pC_BaseEntity );
+	virtual void Release( void ) { delete this; }
+	virtual IMaterial *GetMaterial();
+
+
+public:
+	IMaterialVar *m_pMinsVar;
+	IMaterialVar *m_pMaxsVar;
+};
+
+
+CWorldDimsProxy::CWorldDimsProxy()
+{
+	m_pMinsVar = m_pMaxsVar = NULL;
+}
+
+CWorldDimsProxy::~CWorldDimsProxy()
+{
+}
+
+bool CWorldDimsProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
+{
+	m_pMinsVar = pMaterial->FindVar( "$world_mins", NULL, false );
+	m_pMaxsVar = pMaterial->FindVar( "$world_maxs", NULL, false );
+	return true;
+}
+
+void CWorldDimsProxy::OnBind( void *pC_BaseEntity )
+{
+	if ( m_pMinsVar && m_pMaxsVar )
+	{
+		C_World *pWorld = GetClientWorldEntity();
+		if ( pWorld )
+		{
+			m_pMinsVar->SetVecValue( (const float*)&pWorld->m_WorldMins, 3 );
+			m_pMaxsVar->SetVecValue( (const float*)&pWorld->m_WorldMaxs, 3 );
+		}
+	}
+
+	if ( ToolsEnabled() )
+	{
+		ToolFramework_RecordMaterialParams( GetMaterial() );
+	}
+}
+
+IMaterial *CWorldDimsProxy::GetMaterial()
+{
+	return m_pMinsVar->GetOwningMaterial();
+}
+
+EXPOSE_INTERFACE( CWorldDimsProxy, IMaterialProxy, "WorldDims" IMATERIAL_PROXY_INTERFACE_VERSION );
+
+