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romkazvo
2023-08-07 19:29:24 +08:00
commit 34d6c5d489
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CryPhysics/aabbtree.h Normal file
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#ifndef aabbtree_h
#define aabbtree_h
struct AABBnode {
unsigned int minx : 7;
unsigned int maxx : 7;
unsigned int miny : 7;
unsigned int maxy : 7;
unsigned int minz : 7;
unsigned int maxz : 7;
unsigned int ichild : 15;
unsigned int ntris : 6;
unsigned int bSingleColl : 1;
};
class CTriMesh;
class CAABBTree : public CBVTree {
public:
CAABBTree() {}
virtual ~CAABBTree() {
if (m_pNodes) delete[] m_pNodes; m_pNodes=0;
if (m_pTri2Node) delete[] m_pTri2Node; m_pTri2Node=0;
}
virtual int GetType() { return BVT_AABB; }
float Build(CGeometry *pMesh);
virtual void SetGeomConvex();
void SetParams(int nMinTrisPerNode,int nMaxTrisPerNode, float skipdim, const matrix3x3f &Basis);
float BuildNode(int iNode, int iTriStart,int nTris, vectorf center,vectorf size, int nDepth);
virtual int PrepareForIntersectionTest(geometry_under_test *pGTest);
virtual void CleanupAfterIntersectionTest(geometry_under_test *pGTest);
virtual void GetBBox(box *pbox);
virtual int MaxPrimsInNode() { return m_nMaxTrisInNode; }
virtual void GetNodeBV(BV *&pBV, int iNode=0);
virtual void GetNodeBV(BV *&pBV, const vectorf &sweepdir,float sweepstep, int iNode=0);
virtual void GetNodeBV(const matrix3x3f &Rw,const vectorf &offsw,float scalew, BV *&pBV, int iNode=0);
virtual void GetNodeBV(const matrix3x3f &Rw,const vectorf &offsw,float scalew, BV *&pBV, const vectorf &sweepdir,float sweepstep, int iNode=0) {}
virtual float SplitPriority(const BV* pBV);
virtual void GetNodeChildrenBVs(const matrix3x3f &Rw,const vectorf &offsw,float scalew, const BV *pBV_parent, BV *&pBV_child1,BV *&pBV_child2);
virtual void GetNodeChildrenBVs(const BV *pBV_parent, BV *&pBV_child1,BV *&pBV_child2);
virtual void GetNodeChildrenBVs(const BV *pBV_parent, const vectorf &sweepdir,float sweepstep, BV *&pBV_child1,BV *&pBV_child2);
virtual void ReleaseLastBVs();
virtual void ReleaseLastSweptBVs();
virtual int GetNodeContents(int iNode, BV *pBVCollider,int bColliderUsed,int bColliderLocal,
geometry_under_test *pGTest,geometry_under_test *pGTestOp);
virtual int GetNodeContentsIdx(int iNode, int &iStartPrim) { iStartPrim = m_pNodes[iNode].ichild; return m_pNodes[iNode].ntris; }
virtual void MarkUsedTriangle(int itri, geometry_under_test *pGTest);
virtual void GetMemoryStatistics(ICrySizer *pSizer);
virtual void Save(CMemStream &stm);
virtual void Load(CMemStream &stm, CGeometry *pGeom);
CTriMesh *m_pMesh;
AABBnode *m_pNodes;
int m_nNodes,m_nNodesAlloc;
vectorf m_center;
vectorf m_size;
matrix3x3f m_Basis;
int m_bOriented;
int *m_pTri2Node,m_nBitsLog;
int m_nMaxTrisPerNode,m_nMinTrisPerNode;
int m_nMaxTrisInNode;
float m_maxSkipDim;
};
#endif