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71 lines
3.7 KiB
C
71 lines
3.7 KiB
C
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#pragma once
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#include "ColModel.h"
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#include "Game.h" // for eLevelName
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#ifdef VU_COLLISION
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#include "VuVector.h"
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#endif
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struct CStoredCollPoly
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{
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#ifdef VU_COLLISION
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CVuVector verts[3];
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#else
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CVector verts[3];
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#endif
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bool valid;
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};
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// If you spawn many tanks at once, you will see that collisions of two entity exceeds 32.
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#if defined(FIX_BUGS) && !defined(SQUEEZE_PERFORMANCE)
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#define MAX_COLLISION_POINTS 64
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#else
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#define MAX_COLLISION_POINTS 32
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#endif
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class CCollision
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{
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public:
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static eLevelName ms_collisionInMemory;
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static CLinkList<CColModel*> ms_colModelCache;
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#ifdef NO_ISLAND_LOADING
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static bool bAlreadyLoaded;
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#endif
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static void Init(void);
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static void Shutdown(void);
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static void Update(void);
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static void LoadCollisionWhenINeedIt(bool changeLevel);
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static void SortOutCollisionAfterLoad(void);
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static void LoadCollisionScreen(eLevelName level);
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static void DrawColModel(const CMatrix &mat, const CColModel &colModel);
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static void DrawColModel_Coloured(const CMatrix &mat, const CColModel &colModel, int32 id);
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static void CalculateTrianglePlanes(CColModel *model);
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// all these return true if there's a collision
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static bool TestSphereSphere(const CColSphere &s1, const CColSphere &s2);
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static bool TestSphereBox(const CColSphere &sph, const CColBox &box);
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static bool TestLineBox(const CColLine &line, const CColBox &box);
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static bool TestVerticalLineBox(const CColLine &line, const CColBox &box);
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static bool TestLineTriangle(const CColLine &line, const CompressedVector *verts, const CColTriangle &tri, const CColTrianglePlane &plane);
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static bool TestLineSphere(const CColLine &line, const CColSphere &sph);
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static bool TestSphereTriangle(const CColSphere &sphere, const CompressedVector *verts, const CColTriangle &tri, const CColTrianglePlane &plane);
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static bool TestLineOfSight(const CColLine &line, const CMatrix &matrix, CColModel &model, bool ignoreSeeThrough);
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static bool ProcessSphereSphere(const CColSphere &s1, const CColSphere &s2, CColPoint &point, float &mindistsq);
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static bool ProcessSphereBox(const CColSphere &sph, const CColBox &box, CColPoint &point, float &mindistsq);
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static bool ProcessLineBox(const CColLine &line, const CColBox &box, CColPoint &point, float &mindist);
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static bool ProcessVerticalLineTriangle(const CColLine &line, const CompressedVector *verts, const CColTriangle &tri, const CColTrianglePlane &plane, CColPoint &point, float &mindist, CStoredCollPoly *poly);
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static bool ProcessLineTriangle(const CColLine &line , const CompressedVector *verts, const CColTriangle &tri, const CColTrianglePlane &plane, CColPoint &point, float &mindist);
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static bool ProcessLineSphere(const CColLine &line, const CColSphere &sphere, CColPoint &point, float &mindist);
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static bool ProcessSphereTriangle(const CColSphere &sph, const CompressedVector *verts, const CColTriangle &tri, const CColTrianglePlane &plane, CColPoint &point, float &mindistsq);
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static bool ProcessLineOfSight(const CColLine &line, const CMatrix &matrix, CColModel &model, CColPoint &point, float &mindist, bool ignoreSeeThrough);
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static bool ProcessVerticalLine(const CColLine &line, const CMatrix &matrix, CColModel &model, CColPoint &point, float &mindist, bool ignoreSeeThrough, CStoredCollPoly *poly);
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static int32 ProcessColModels(const CMatrix &matrixA, CColModel &modelA, const CMatrix &matrixB, CColModel &modelB, CColPoint *spherepoints, CColPoint *linepoints, float *linedists);
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static bool IsStoredPolyStillValidVerticalLine(const CVector &pos, float z, CColPoint &point, CStoredCollPoly *poly);
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static float DistToLine(const CVector *l0, const CVector *l1, const CVector *point);
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static float DistToLine(const CVector *l0, const CVector *l1, const CVector *point, CVector &closest);
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};
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