shadowMapManager.h

Public Functions

GFX_DeclareTextureProfile(ShadowMapTexProfile )

  1
  2//-----------------------------------------------------------------------------
  3// Copyright (c) 2012 GarageGames, LLC
  4//
  5// Permission is hereby granted, free of charge, to any person obtaining a copy
  6// of this software and associated documentation files (the "Software"), to
  7// deal in the Software without restriction, including without limitation the
  8// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  9// sell copies of the Software, and to permit persons to whom the Software is
 10// furnished to do so, subject to the following conditions:
 11//
 12// The above copyright notice and this permission notice shall be included in
 13// all copies or substantial portions of the Software.
 14//
 15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 18// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 20// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 21// IN THE SOFTWARE.
 22//-----------------------------------------------------------------------------
 23
 24#ifndef _SHADOWMAPMANAGER_H_
 25#define _SHADOWMAPMANAGER_H_
 26
 27#ifndef _TSINGLETON_H_
 28#include "core/util/tSingleton.h"
 29#endif
 30#ifndef _SHADOWMANAGER_H_
 31#include "lighting/shadowManager.h"
 32#endif
 33#ifndef _GFXENUMS_H_
 34#include "gfx/gfxEnums.h"
 35#endif
 36#ifndef _GFXTEXTUREHANDLE_H_
 37#include "gfx/gfxTextureHandle.h"
 38#endif
 39#ifndef _MPOINT4_H_
 40#include "math/mPoint4.h"
 41#endif
 42
 43class LightShadowMap;
 44class ShadowMapPass;
 45class LightInfo;
 46
 47class SceneManager;
 48class SceneRenderState;
 49
 50
 51class ShadowMapManager : public ShadowManager
 52{
 53   typedef ShadowManager Parent;
 54
 55   friend class ShadowMapPass;
 56
 57public:
 58
 59   ShadowMapManager();
 60   virtual ~ShadowMapManager();
 61
 62   /// Sets the current shadowmap (used in setLightInfo/setTextureStage calls)
 63   void setLightShadowMap( LightShadowMap *lm ) { mCurrentShadowMap = lm; }
 64   
 65   /// Looks up the shadow map for the light then sets it.
 66   void setLightShadowMapForLight( LightInfo *light );
 67
 68   /// Return the current shadow map
 69   LightShadowMap* getCurrentShadowMap() const { return mCurrentShadowMap; }
 70
 71   ShadowMapPass* getShadowMapPass() const { return mShadowMapPass; }
 72
 73   // Shadow manager
 74   virtual void activate();
 75   virtual void deactivate();
 76
 77   GFXTextureObject* getTapRotationTex();
 78
 79   /// The shadow map deactivation signal.
 80   static Signal<void(void)> smShadowDeactivateSignal;
 81
 82   static void updateShadowDisable();
 83
 84protected:
 85
 86   void _onTextureEvent( GFXTexCallbackCode code );
 87
 88   void _onPreRender( SceneManager *sg, const SceneRenderState* state );
 89
 90   ShadowMapPass *mShadowMapPass;
 91   LightShadowMap *mCurrentShadowMap;
 92
 93   ///
 94   GFXTexHandle mTapRotationTex;
 95
 96   bool mIsActive;
 97
 98public:
 99   // For ManagedSingleton.
100   static const char* getSingletonName() { return "ShadowMapManager"; }   
101};
102
103
104/// Returns the ShadowMapManager singleton.
105#define SHADOWMGR ManagedSingleton<ShadowMapManager>::instance()
106
107GFX_DeclareTextureProfile( ShadowMapTexProfile );
108
109#endif // _SHADOWMAPMANAGER_H_
110