D:/Zythum/DinoKod/Bsp/Bsp.h

//---------------------------------------------------------------------------------------------
//      This file is a part of "DinoKod".
//      Copyright © 2003 Dino Productions. All Rights Reserved.
//      
//      File                    : Bsp.h
//      Author                  : Sebastien LEIX        sebastien.leix@wanadoo.fr
//      Date                    : 07/09/2002
//      Modification    :
//
//---------------------------------------------------------------------------------------------
#ifndef __BSP_H__
#define __BSP_H__

#include "Bsp/BspDll.h"
#include "Common/Vertex.h"
#include "Bsp/BspLoader.h"

class KBezierPatch;
class KRenderFace;
class KCollisionData;
class KPhysicsCollisionData;

#define BSP_COLL_RAY            0
#define BSP_COLL_SPHERE         1

//---------------------------------------------------------------------------------------------------------------------
class BSP_API KBspCollisionData
{
public:
        KVector         m_Start;
        KVector         m_End;
        u8                      m_ObjectType;
        float           m_MoveOffset;
        float           m_Fraction;                     // How long has the trace move (0 no move, 1 complete move or not collision)
        KVector         m_EndPoint;                     // Where we collide if we did it? Return the Target if not collision occur
        KVector         m_CollisionNormal;      // Store the normal of the plane we collide with
        bool            m_StartOut;                     // True if the ray segment starts outside of a solid volume.
        bool            m_AllSolid;                     // True if the line segment is completely enclosed in a solid volume.
};

//---------------------------------------------------------------------------------------------------------------------
class BSP_API KBspComputedFace : public KBspFace
{
public:
        u32                                                     m_FaceId;
        s64                                                     m_SortId;
};

//---------------------------------------------------------------------------------------------------------------------
class BSP_API KBsp : public KBspLoader
{
protected:
        KBezierPatch*                           m_pBezierPatches;
#if _DEBUG
        u32                                                     m_DebugCollFace;
#endif _DEBUG
        s32                                                     m_TestLeaf;

        KLVertex2*                                      m_pComputedVertices;

        u32                                                     FindLeaf( u32 NodeId, KVector& Position );

        void                                            ComputeVertices();
        void                                            ComputeBezier();

        bool                                            CheckLeafSphereCollision( u32 NodeId, KPhysicsCollisionData* pData );

public:
                                                                KBsp();
        virtual                                         ~KBsp();
                                                                                                                                
        virtual s32                                     LoadBSP( const char* pFileName );
        virtual s32                                     CloseBSP();
                                                                
        void                                            CheckSphereCollision( u32 LeafId, KPhysicsCollisionData* pData );

        KBspCollisionData                       CheckRayMove( KVector& vStart, KVector& vEnd );
        KBspCollisionData                       CheckSphereMove( KVector& vStart, KVector& vEnd, float Radius );
        void                                            CheckMoveByNode( s32 NodeId, float StartFraction, float EndFraction, KVector& vStart, KVector vEnd, KBspCollisionData& CollisionData );
        void                                            CheckTouchBrush( KBspBrush* pBrush, KBspCollisionData& CollisionData );
};

#endif  __BSP_H__

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