ivaria/collider.h
Go to the documentation of this file.00001 /* 00002 Crystal Space 3D engine 00003 Copyright (C) 2000 by Jorrit Tyberghein 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public 00016 License along with this library; if not, write to the Free 00017 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00018 */ 00019 00020 #ifndef __CS_IVARIA_COLLIDER_H__ 00021 #define __CS_IVARIA_COLLIDER_H__ 00022 00027 #include "csutil/scf_interface.h" 00028 #include "csgeom/vector3.h" 00029 #include "csutil/array.h" 00030 #include "csutil/ref.h" 00031 #include "iutil/strset.h" 00032 00033 struct iTriangleMesh; 00034 struct iTerraFormer; 00035 struct iMeshObject; 00036 class csReversibleTransform; 00037 struct iTerrainSystem; 00038 00043 struct csCollisionPair 00044 { 00046 00047 csVector3 a1, b1, c1; 00049 00050 // Second triangle 00051 csVector3 a2, b2, c2; 00053 00055 bool operator==(const csCollisionPair& p) const 00056 { 00057 return (a1 == p.a1 && b1 == p.b1 && c1 == p.c1 && 00058 a2 == p.a2 && b2 == p.b2 && c2 == p.c2); 00059 } 00060 }; 00061 00065 struct csIntersectingTriangle 00066 { 00067 csVector3 a, b, c; 00068 }; 00069 00070 00071 00072 enum csColliderType 00073 { 00074 CS_MESH_COLLIDER = 0, 00075 CS_TERRAFORMER_COLLIDER, 00076 CS_TERRAIN_COLLIDER 00077 }; 00078 00091 struct iCollider : public virtual iBase 00092 { 00093 SCF_INTERFACE (iCollider, 0, 2, 0); 00094 virtual csColliderType GetColliderType () = 0; 00095 }; 00096 00113 struct iCollideSystem : public virtual iBase 00114 { 00115 SCF_INTERFACE (iCollideSystem, 2, 2, 1); 00116 00123 virtual csStringID GetTriangleDataID () = 0; 00124 00131 virtual csStringID GetBaseDataID () = 0; 00132 00144 virtual csPtr<iCollider> CreateCollider (iTriangleMesh* mesh) = 0; 00145 00151 virtual csPtr<iCollider> CreateCollider (iTerraFormer* mesh) = 0; 00152 00156 virtual csPtr<iCollider> CreateCollider (iTerrainSystem* mesh) = 0; 00157 00179 virtual bool Collide ( 00180 iCollider* collider1, const csReversibleTransform* trans1, 00181 iCollider* collider2, const csReversibleTransform* trans2) = 0; 00182 00191 virtual csCollisionPair* GetCollisionPairs () = 0; 00192 00197 virtual size_t GetCollisionPairCount () = 0; 00198 00204 virtual void ResetCollisionPairs () = 0; 00205 00218 virtual bool CollideRay ( 00219 iCollider* collider, const csReversibleTransform* trans, 00220 const csVector3& start, const csVector3& pointOnRay) = 0; 00221 00234 virtual bool CollideSegment ( 00235 iCollider* collider, const csReversibleTransform* trans, 00236 const csVector3& start, const csVector3& end) = 0; 00237 00243 virtual const csArray<csIntersectingTriangle>& GetIntersectingTriangles () 00244 const = 0; 00245 00254 virtual void SetOneHitOnly (bool o) = 0; 00255 00264 virtual bool GetOneHitOnly () = 0; 00265 }; 00266 00267 #endif // __CS_IVARIA_COLLIDER_H__ 00268
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