1

hammer/materialproxyfactory_wc.cpp

@@ -0,0 +1,113 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "stdafx.h"
+#include "tier1/strtools.h"
+#include "materialsystem/IMaterialProxy.h"
+#include "materialsystem/IMaterialProxyFactory.h"
+#include "materialsystem/imaterialvar.h"
+#include "materialsystem/imaterial.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include <tier0/memdbgon.h>
+
+
+// ------------------------------------------------------------------------------------- //
+// The material proxy factory for WC.
+// ------------------------------------------------------------------------------------- //
+
+class CMaterialProxyFactory : public IMaterialProxyFactory
+{
+public:
+	IMaterialProxy *CreateProxy( const char *proxyName );
+	void DeleteProxy( IMaterialProxy *pProxy );
+};
+CMaterialProxyFactory g_MaterialProxyFactory;
+
+
+IMaterialProxy *CMaterialProxyFactory::CreateProxy( const char *proxyName )
+{
+	// assumes that the client.dll is already LoadLibraried
+	CreateInterfaceFn clientFactory = Sys_GetFactoryThis();
+
+	// allocate exactly enough memory for the versioned name on the stack.
+	char proxyVersionedName[512];
+	Q_snprintf( proxyVersionedName, sizeof( proxyVersionedName ), "%s%s", proxyName, IMATERIAL_PROXY_INTERFACE_VERSION );
+	return ( IMaterialProxy * )clientFactory( proxyVersionedName, NULL );
+}
+
+void CMaterialProxyFactory::DeleteProxy( IMaterialProxy *pProxy )
+{
+	if ( pProxy )
+	{
+		pProxy->Release();
+	}
+}
+
+
+IMaterialProxyFactory* GetHammerMaterialProxyFactory()
+{
+	return &g_MaterialProxyFactory;
+}
+
+
+
+// ------------------------------------------------------------------------------------- //
+// Specific material proxies.
+// ------------------------------------------------------------------------------------- //
+
+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 )
+	{
+		float mins[3] = {-500,-500,-500};
+		float maxs[3] = {+500,+500,+500};
+		m_pMinsVar->SetVecValue( (const float*)mins, 3 );
+		m_pMaxsVar->SetVecValue( (const float*)maxs, 3 );
+	}
+}
+
+IMaterial *CWorldDimsProxy::GetMaterial()
+{
+	if ( m_pMinsVar && m_pMaxsVar )
+		return m_pMinsVar->GetOwningMaterial();
+	return NULL;
+}
+
+EXPOSE_INTERFACE( CWorldDimsProxy, IMaterialProxy, "WorldDims" IMATERIAL_PROXY_INTERFACE_VERSION );
+