CrystalSpace

Public API Reference

cstool/enginetools.h

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00001 /*
00002     Copyright (C) 2005 by Jorrit Tyberghein
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public
00015     License along with this library; if not, write to the Free
00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 #ifndef __CS_ENGINETOOLS_H__
00019 #define __CS_ENGINETOOLS_H__
00020 
00025 #include "csextern.h"
00026 
00027 #include "csutil/set.h"
00028 #include "csutil/array.h"
00029 #include "csgeom/vector3.h"
00030 
00031 class csVector2;
00032 struct iSector;
00033 struct iCamera;
00034 struct iMeshWrapper;
00035 struct iCollideSystem;
00036 
00040 struct csShortestDistanceResult
00041 {
00046   float sqdistance;
00047 
00054   csVector3 direction;
00055 };
00056 
00060 struct csScreenTargetResult
00061 {
00065   iMeshWrapper* mesh;
00066 
00072   csVector3 isect;
00073 
00079   int polygon_idx;
00080 };
00081 
00086 class CS_CRYSTALSPACE_EXPORT csEngineTools
00087 {
00088 private:
00089   static float FindShortestDistance (
00090         const csVector3& source, iSector* sourceSector,
00091         const csVector3& dest, iSector* destSector,
00092         float maxradius,
00093         csSet<csPtrKey<iSector> >& visited_sectors,
00094         csVector3& direction,
00095         bool accurate);
00096 
00097 public:
00136   static csShortestDistanceResult FindShortestDistance (
00137         const csVector3& source, iSector* sourceSector,
00138         const csVector3& dest, iSector* destSector,
00139         float maxradius, bool accurate = false);
00140 
00154   static csScreenTargetResult FindScreenTarget (const csVector2& pos,
00155       float maxdist, iCamera* camera, iCollideSystem* cdsys = 0);
00156 };
00157 
00158 #endif // __CS_ENGINETOOLS_H__

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