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game/client/detailobjectsystem.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Deals with singleton  
+//
+// $Revision: $
+// $NoKeywords: $
+//=============================================================================//
+
+#if !defined( DETAILOBJECTSYSTEM_H )
+#define DETAILOBJECTSYSTEM_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "igamesystem.h"
+#include "icliententityinternal.h"
+#include "engine/ivmodelrender.h"
+#include "mathlib/vector.h"
+#include "ivrenderview.h"
+
+struct model_t;
+
+
+//-----------------------------------------------------------------------------
+// Responsible for managing detail objects
+//-----------------------------------------------------------------------------
+abstract_class IDetailObjectSystem : public IGameSystem
+{
+public:
+    // Gets a particular detail object
+	virtual IClientRenderable* GetDetailModel( int idx ) = 0;
+
+	// Gets called each view
+	virtual void BuildDetailObjectRenderLists( const Vector &vViewOrigin ) = 0;
+
+	// Renders all opaque detail objects in a particular set of leaves
+	virtual void RenderOpaqueDetailObjects( int nLeafCount, LeafIndex_t *pLeafList ) = 0;
+
+	// Call this before rendering translucent detail objects
+	virtual void BeginTranslucentDetailRendering( ) = 0;
+
+	// Renders all translucent detail objects in a particular set of leaves
+	virtual void RenderTranslucentDetailObjects( const Vector &viewOrigin, const Vector &viewForward, const Vector &viewRight, const Vector &viewUp, int nLeafCount, LeafIndex_t *pLeafList ) =0;
+
+	// Renders all translucent detail objects in a particular leaf up to a particular point
+	virtual void RenderTranslucentDetailObjectsInLeaf( const Vector &viewOrigin, const Vector &viewForward, const Vector &viewRight, const Vector &viewUp, int nLeaf, const Vector *pVecClosestPoint ) = 0;
+};
+
+
+//-----------------------------------------------------------------------------
+// System for dealing with detail objects
+//-----------------------------------------------------------------------------
+IDetailObjectSystem* DetailObjectSystem();
+
+
+#endif // DETAILOBJECTSYSTEM_H
+