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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__