GeoChunk.h

#ifndef __GEOCHUNCK_H__
#define __GEOCHUNCK_H__

#include "utils.h"
#include "ModelUtils.h"

namespace ParaEngine
{
struct AnimExtent{
    D3DXVECTOR3     MinimumExtent;
    D3DXVECTOR3     MaximumExtent;
    float           BoundsRadius;   
};

class CMDXModel;
class CGeoset;
struct ParaXGeoChunk;
class ShadowVolume;
struct LightParams;
class CGeoChunk
{
public:
    CGeoChunk(void);
    ~CGeoChunk(void);

    void Read(TypePointer inP,int inSize);
    void Render(CMDXModel *model,const AnimInfo& animInfo);
    D3DXVECTOR3* GetMaximumExtent();
    D3DXVECTOR3* GetMinimumExtent();

private:
    void CalcGroupMatrix(CMDXModel *model);
    void BuildShadowVolume(CMDXModel *model,const AnimInfo& animInfo,ShadowVolume * pShadowVolume, LightParams* pLight, D3DXMATRIX* mxWorld);

private:
    int                 numVertices;
    D3DXVECTOR3*        vertices;
    D3DXVECTOR3*        normals;

    int                 numTriangles;
    short*              triangles;

    char*               vertexGroups;

    D3DXVECTOR2*        uvs;

    int                 numGroups;
    int*                groups;
    int                 numMatrixGroups;
    int*                matrixGroups;

    D3DXMATRIX*         matrixes;
    float*              AnimAlphas;

    int                 materialID;

    float               boundsRadius;
    D3DXVECTOR3         mins;
    D3DXVECTOR3         maxs;

    int                 numAnimExtent;
    AnimExtent*         animExtents;
friend CMDXModel;
friend CGeoset;
};
}
#endif//__GEOCHUNCK_H__