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Engine directory for ticket #1

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DavidWyand-GG 2012-09-19 11:15:01 -04:00
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Engine/source/lighting/common/blobShadow.h Normal file
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//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#ifndef _BLOBSHADOW_H_
#define _BLOBSHADOW_H_
#include "collision/depthSortList.h"
#include "scene/sceneObject.h"
#include "ts/tsShapeInstance.h"
#include "lighting/common/shadowBase.h"
class ShapeBase;
class LightInfo;
class BlobShadow : public ShadowBase
{
F32 mRadius;
F32 mInvShadowDistance;
MatrixF mLightToWorld;
MatrixF mWorldToLight;
Vector<DepthSortList::Poly> mPartition;
Vector<Point3F> mPartitionVerts;
GFXVertexBufferHandle<GFXVertexPCT> mShadowBuffer;
static U32 smShadowMask;
static DepthSortList smDepthSortList;
static GFXTexHandle smGenericShadowTexture;
static F32 smGenericRadiusSkew;
static S32 smGenericShadowDim;
U32 mLastRenderTime;
static void collisionCallback(SceneObject*,void *);
private:
SceneObject* mParentObject;
ShapeBase* mShapeBase;
LightInfo* mParentLight;
TSShapeInstance* mShapeInstance;
GFXStateBlockRef mShadowSB;
F32 mDepthBias;
void setupStateBlocks();
void setLightMatrices(const Point3F & lightDir, const Point3F & pos);
void buildPartition(const Point3F & p, const Point3F & lightDir, F32 radius, F32 shadowLen);
public:
BlobShadow(SceneObject* parentobject, LightInfo* light, TSShapeInstance* shapeinstance);
~BlobShadow();
void setRadius(F32 radius);
void setRadius(TSShapeInstance *, const Point3F & scale);
bool prepare(const Point3F & pos, Point3F lightDir, F32 shadowLen);
bool shouldRender(F32 camDist);
void update( const SceneRenderState *state ) {}
void render( F32 camDist, const TSRenderState &rdata );
U32 getLastRenderTime() const { return mLastRenderTime; }
static void generateGenericShadowBitmap(S32 dim);
static void deleteGenericShadowBitmap();
};
#endif