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collider.h

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 
00023 #include "csutil/scf.h"
00024 #include "csutil/csvector.h"
00025 #include "csgeom/vector3.h"
00026 
00027 struct iPolygonMesh;
00028 struct iMeshObject;
00029 class csReversibleTransform;
00030 
00034 struct csCollisionPair
00035 {
00036   csVector3 a1, b1, c1; // First triangle
00037   csVector3 a2, b2, c2; // Second triangle
00038 };
00039 
00040 SCF_VERSION (iCollider, 0, 2, 0);
00041 
00045 struct iCollider : public iBase
00046 {
00047 };
00048 
00049 SCF_VERSION (iCollideSystem, 0, 0, 3);
00050 
00057 struct iCollideSystem : public iBase
00058 {
00059 
00061   virtual csPtr<iCollider> CreateCollider (iPolygonMesh* mesh) = 0;
00062   
00064   virtual csPtr<iCollider> CreateSphereCollider (iMeshObject* sphere) = 0;
00065 
00067   virtual csPtr<iCollider>    CreateBoxCollider    (iMeshObject* box) = 0;
00068   
00069  
00079   virtual bool Collide (
00080         iCollider* collider1, const csReversibleTransform* trans1,
00081         iCollider* collider2, const csReversibleTransform* trans2) = 0;
00087   virtual csCollisionPair* GetCollisionPairs () = 0;
00088 
00092   virtual int GetCollisionPairCount () = 0;
00093 
00097   virtual void ResetCollisionPairs () = 0;
00098 
00104   virtual void SetOneHitOnly (bool o) = 0;
00105 
00112   virtual bool GetOneHitOnly () = 0;
00113 
00134   virtual int CollidePath (
00135         iCollider* collider, const csReversibleTransform* trans,
00136         csVector3& newpos,
00137         int num_colliders,
00138         iCollider** colliders,
00139         csReversibleTransform** transforms) = 0;
00140 };
00141 
00142 #endif // __CS_IVARIA_COLLIDER_H__
00143 

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