1 files changed, 112 insertions, 0 deletions
diff --git a/game/client/iclientshadowmgr.h b/game/client/iclientshadowmgr.h
new file mode 100644
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+++ b/game/client/iclientshadowmgr.h
@@ -0,0 +1,112 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+#ifndef ICLIENTSHADOWMGR_H
+#define ICLIENTSHADOWMGR_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "igamesystem.h"
+#include "icliententityinternal.h"
+#include "engine/ishadowmgr.h"
+#include "ivrenderview.h"
+#include "toolframework/itoolentity.h"
+
+//-----------------------------------------------------------------------------
+// Forward decls
+//-----------------------------------------------------------------------------
+struct FlashlightState_t;
+
+
+//-----------------------------------------------------------------------------
+// Handles to a client shadow
+//-----------------------------------------------------------------------------
+enum ShadowReceiver_t
+{
+	SHADOW_RECEIVER_BRUSH_MODEL = 0,
+	SHADOW_RECEIVER_STATIC_PROP,
+	SHADOW_RECEIVER_STUDIO_MODEL,
+};
+
+
+//-----------------------------------------------------------------------------
+// The class responsible for dealing with shadows on the client side
+//-----------------------------------------------------------------------------
+abstract_class IClientShadowMgr : public IGameSystemPerFrame
+{
+public:
+	// Create, destroy shadows
+	virtual ClientShadowHandle_t CreateShadow( ClientEntityHandle_t entity, int flags ) = 0;
+	virtual void DestroyShadow( ClientShadowHandle_t handle ) = 0;
+
+	// Create flashlight.
+	// FLASHLIGHTFIXME: need to rename all of the shadow stuff to projectedtexture and have flashlights and shadows as instances.
+	virtual ClientShadowHandle_t CreateFlashlight( const FlashlightState_t &lightState ) = 0;
+	virtual void UpdateFlashlightState( ClientShadowHandle_t shadowHandle, const FlashlightState_t &lightState ) = 0;
+	virtual void DestroyFlashlight( ClientShadowHandle_t handle ) = 0;
+	
+	// Indicate that the shadow should be recomputed due to a change in
+	// the client entity
+	virtual void UpdateProjectedTexture( ClientShadowHandle_t handle, bool force = false ) = 0;
+
+	// Used to cause shadows to be re-projected against the world.
+	virtual void AddToDirtyShadowList( ClientShadowHandle_t handle, bool force = false ) = 0;
+	virtual void AddToDirtyShadowList( IClientRenderable *pRenderable, bool force = false ) = 0;
+
+	// deals with shadows being added to shadow receivers
+	virtual void AddShadowToReceiver( ClientShadowHandle_t handle,
+		IClientRenderable* pRenderable, ShadowReceiver_t type ) = 0;
+
+	virtual void RemoveAllShadowsFromReceiver( 
+		IClientRenderable* pRenderable, ShadowReceiver_t type ) = 0;
+
+	// Re-renders all shadow textures for shadow casters that lie in the leaf list
+	virtual void ComputeShadowTextures( const CViewSetup &view, int leafCount, LeafIndex_t* pLeafList ) = 0;
+
+	// Frees shadow depth textures for use in subsequent view/frame
+	virtual void UnlockAllShadowDepthTextures() = 0;
+	
+	// Renders the shadow texture to screen...
+	virtual void RenderShadowTexture( int w, int h ) = 0;
+
+	// Sets the shadow direction + color
+	virtual void SetShadowDirection( const Vector& dir ) = 0;
+	virtual const Vector &GetShadowDirection() const = 0;
+	
+	virtual void SetShadowColor( unsigned char r, unsigned char g, unsigned char b ) = 0;
+	virtual void SetShadowDistance( float flMaxDistance ) = 0;
+	virtual void SetShadowBlobbyCutoffArea( float flMinArea ) = 0;
+	virtual void SetFalloffBias( ClientShadowHandle_t handle, unsigned char ucBias ) = 0;
+
+	// Marks the render-to-texture shadow as needing to be re-rendered
+	virtual void MarkRenderToTextureShadowDirty( ClientShadowHandle_t handle ) = 0;
+
+	// Advance the frame
+	virtual void AdvanceFrame() = 0;
+
+	// Set and clear flashlight target renderable
+	virtual void SetFlashlightTarget( ClientShadowHandle_t shadowHandle, EHANDLE targetEntity ) = 0;
+
+	// Set flashlight light world flag
+	virtual void SetFlashlightLightWorld( ClientShadowHandle_t shadowHandle, bool bLightWorld ) = 0;
+
+	virtual void SetShadowsDisabled( bool bDisabled ) = 0;
+
+	virtual void ComputeShadowDepthTextures( const CViewSetup &pView ) = 0;
+
+};
+
+
+//-----------------------------------------------------------------------------
+// Singleton
+//-----------------------------------------------------------------------------
+extern IClientShadowMgr* g_pClientShadowMgr;
+
+#endif // ICLIENTSHADOWMGR_H