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Diffstat (limited to 'third-party/Opcode/OPC_PlanesCollider.h')
| -rw-r--r-- | third-party/Opcode/OPC_PlanesCollider.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/third-party/Opcode/OPC_PlanesCollider.h b/third-party/Opcode/OPC_PlanesCollider.h new file mode 100644 index 0000000..fd31e1a --- /dev/null +++ b/third-party/Opcode/OPC_PlanesCollider.h @@ -0,0 +1,121 @@ +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +/* + * OPCODE - Optimized Collision Detection + * Copyright (C) 2001 Pierre Terdiman + * Homepage: http://www.codercorner.com/Opcode.htm + */ +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +/** + * Contains code for a planes collider. + * \file OPC_PlanesCollider.h + * \author Pierre Terdiman + * \date January, 1st, 2002 + */ +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Include Guard +#ifndef __OPC_PLANESCOLLIDER_H__ +#define __OPC_PLANESCOLLIDER_H__ + + struct OPCODE_API PlanesCache : VolumeCache + { + PlanesCache() + { + } + }; + + class OPCODE_API PlanesCollider : public VolumeCollider + { + public: + // Constructor / Destructor + PlanesCollider(); + virtual ~PlanesCollider(); + + /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + /** + * Generic collision query for generic OPCODE models. After the call, access the results: + * - with GetContactStatus() + * - with GetNbTouchedPrimitives() + * - with GetTouchedPrimitives() + * + * \param cache [in/out] a planes cache + * \param planes [in] list of planes in world space + * \param nb_planes [in] number of planes + * \param model [in] Opcode model to collide with + * \param worldm [in] model's world matrix, or null + * \return true if success + * \warning SCALE NOT SUPPORTED. The matrices must contain rotation & translation parts only. + */ + /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + bool Collide(PlanesCache& cache, const IcePlane* planes, udword nb_planes, const Model& model, const Matrix4x4* worldm=null); + + // Mutant box-with-planes collision queries + inline_ bool Collide(PlanesCache& cache, const OBB& box, const Model& model, const Matrix4x4* worldb=null, const Matrix4x4* worldm=null) + { + IcePlane PL[6]; + + if(worldb) + { + // Create a new OBB in world space + OBB WorldBox; + box.Rotate(*worldb, WorldBox); + // Compute planes from the sides of the box + WorldBox.ComputePlanes(PL); + } + else + { + // Compute planes from the sides of the box + box.ComputePlanes(PL); + } + + // Collide with box planes + return Collide(cache, PL, 6, model, worldm); + } + // Settings + + /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + /** + * Validates current settings. You should call this method after all the settings and callbacks have been defined for a collider. + * \return null if everything is ok, else a string describing the problem + */ + /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + override(Collider) const char* ValidateSettings(); + + protected: + // Planes in model space + udword mNbPlanes; + IcePlane* mPlanes; + // Leaf description + VertexPointers mVP; + // Internal methods + void _Collide(const AABBCollisionNode* node, udword clip_mask); + void _Collide(const AABBNoLeafNode* node, udword clip_mask); + void _Collide(const AABBQuantizedNode* node, udword clip_mask); + void _Collide(const AABBQuantizedNoLeafNode* node, udword clip_mask); + void _CollideNoPrimitiveTest(const AABBCollisionNode* node, udword clip_mask); + void _CollideNoPrimitiveTest(const AABBNoLeafNode* node, udword clip_mask); + void _CollideNoPrimitiveTest(const AABBQuantizedNode* node, udword clip_mask); + void _CollideNoPrimitiveTest(const AABBQuantizedNoLeafNode* node, udword clip_mask); + // Overlap tests + inline_ BOOL PlanesAABBOverlap(const IcePoint& center, const IcePoint& extents, udword& out_clip_mask, udword in_clip_mask); + inline_ BOOL PlanesTriOverlap(udword in_clip_mask); + // Init methods + BOOL InitQuery(PlanesCache& cache, const IcePlane* planes, udword nb_planes, const Matrix4x4* worldm=null); + }; + + class OPCODE_API HybridPlanesCollider : public PlanesCollider + { + public: + // Constructor / Destructor + HybridPlanesCollider(); + virtual ~HybridPlanesCollider(); + + bool Collide(PlanesCache& cache, const IcePlane* planes, udword nb_planes, const HybridModel& model, const Matrix4x4* worldm=null); + protected: + Container mTouchedBoxes; + }; + +#endif // __OPC_PLANESCOLLIDER_H__ |