projectedShadow.h

Public Functions

GFX_DeclareTextureProfile(BLProjectedShadowProfile )

GFX_DeclareTextureProfile(BLProjectedShadowZProfile )

Public Functions

GFX_DeclareTextureProfile(BLProjectedShadowProfile )

GFX_DeclareTextureProfile(BLProjectedShadowZProfile )

  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 _PROJECTEDSHADOW_H_
 25#define _PROJECTEDSHADOW_H_
 26
 27#ifndef _DEPTHSORTLIST_H_
 28#include "collision/depthSortList.h"
 29#endif
 30#ifndef _SCENEOBJECT_H_
 31#include "scene/sceneObject.h"
 32#endif
 33#ifndef _TSSHAPEINSTANCE_H_
 34#include "ts/tsShapeInstance.h"
 35#endif
 36#ifndef _LIGHTINGSYSTEM_SHADOWBASE_H_
 37#include "lighting/common/shadowBase.h"
 38#endif
 39
 40class ShapeBase;
 41class LightInfo;
 42class DecalData;
 43class DecalInstance;
 44class RenderPassManager;
 45class PostEffect;
 46class RenderMeshMgr;
 47class CustomMaterial;
 48class BaseMatInstance;
 49class MaterialParameterHandle;
 50
 51
 52GFX_DeclareTextureProfile( BLProjectedShadowProfile );
 53GFX_DeclareTextureProfile( BLProjectedShadowZProfile );
 54
 55class ProjectedShadow : public ShadowBase
 56{
 57
 58protected:
 59
 60
 61   /// This parameter is used to
 62   /// adjust the far plane out for our
 63   /// orthographic render in order to 
 64   /// force our object towards one end of the
 65   /// the eye space depth range.
 66   static F32 smDepthAdjust;
 67
 68   F32 mRadius;
 69   MatrixF mWorldToLight;
 70   U32 mLastRenderTime;
 71
 72   F32 mShadowLength;
 73
 74   F32 mScore;
 75   bool mUpdateTexture;
 76
 77   Point3F mLastObjectScale;
 78   Point3F mLastObjectPosition;
 79   VectorF mLastLightDir;
 80
 81   DecalData *mDecalData;
 82   DecalInstance *mDecalInstance;
 83
 84   SceneObject *mParentObject;
 85   ShapeBase *mShapeBase;
 86
 87   MaterialParameterHandle *mCasterPositionSC;
 88   MaterialParameterHandle *mShadowLengthSC;
 89
 90   static SimObjectPtr<RenderPassManager> smRenderPass;
 91
 92   static SimObjectPtr<PostEffect> smShadowFilter;
 93
 94   static RenderPassManager* _getRenderPass();
 95
 96   GFXTexHandle mShadowTexture;
 97   GFXTextureTargetRef mRenderTarget;
 98
 99   GFXTextureObject* _getDepthTarget( U32 width, U32 height );
100   void _renderToTexture( F32 camDist, const TSRenderState &rdata );
101
102   bool _updateDecal( const SceneRenderState *sceneState );
103
104   void _calcScore( const SceneRenderState *state );
105 
106   /// Returns a spotlight shadow material for use when
107   /// rendering meshes into the projected shadow.
108   static BaseMatInstance* _getShadowMaterial( BaseMatInstance *inMat );
109
110public:
111
112   /// @see DecalData
113   static F32 smFadeStartPixelSize;
114   static F32 smFadeEndPixelSize;
115
116   ProjectedShadow( SceneObject *object );
117   virtual ~ProjectedShadow();
118
119   bool shouldRender( const SceneRenderState *state );
120
121   void update( const SceneRenderState *state );
122   void render( F32 camDist, const TSRenderState &rdata );
123   U32 getLastRenderTime() const { return mLastRenderTime; }
124   const F32 getScore() const { return mScore; }
125
126};
127
128#endif // _PROJECTEDSHADOW_H_
129