1 files changed, 52 insertions, 0 deletions
diff --git a/game/shared/portal/StaticCollisionPolyhedronCache.h b/game/shared/portal/StaticCollisionPolyhedronCache.h
new file mode 100644
index 0000000..b759317
--- /dev/null
+++ b/game/shared/portal/StaticCollisionPolyhedronCache.h
@@ -0,0 +1,52 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Portals use polyhedrons to clip and carve their custom collision areas.
+//			This file should provide caches of polyhedrons with the initial conversion 
+//			processes already completed.
+//
+// $NoKeywords: $
+//=====================================================================================//
+
+
+#include "igamesystem.h"
+#include "mathlib/polyhedron.h"
+#include "tier1/utlvector.h"
+#include "tier1/utlstring.h"
+#include "tier1/utlmap.h"
+
+
+
+class CStaticCollisionPolyhedronCache : public CAutoGameSystem
+{
+public:
+	CStaticCollisionPolyhedronCache( void );
+	~CStaticCollisionPolyhedronCache( void );
+
+	void LevelInitPreEntity( void );
+	void Shutdown( void );
+
+	const CPolyhedron *GetBrushPolyhedron( int iBrushNumber );
+	int GetStaticPropPolyhedrons( ICollideable *pStaticProp, CPolyhedron **pOutputPolyhedronArray, int iOutputArraySize );
+
+private:
+	// See comments in LevelInitPreEntity for why these members are commented out
+//	CUtlString	m_CachedMap;
+
+	CUtlVector<CPolyhedron *> m_BrushPolyhedrons;
+
+	struct StaticPropPolyhedronCacheInfo_t
+	{
+		int iStartIndex;
+		int iNumPolyhedrons;
+		int iStaticPropIndex; //helps us remap ICollideable pointers when the map is restarted
+	};
+
+	CUtlVector<CPolyhedron *> m_StaticPropPolyhedrons;
+	CUtlMap<ICollideable *, StaticPropPolyhedronCacheInfo_t> m_CollideableIndicesMap;
+
+
+	void Clear( void );
+	void Update( void );
+};
+
+extern CStaticCollisionPolyhedronCache g_StaticCollisionPolyhedronCache;