Public API Reference

cstool/enginetools.h

Go to the documentation of this file.

/*
    Copyright (C) 2005 by Jorrit Tyberghein

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __CS_ENGINETOOLS_H__
#define __CS_ENGINETOOLS_H__

#include "csextern.h"

#include "csutil/set.h"
#include "csutil/array.h"
#include "csgeom/vector3.h"

class csVector2;
struct iSector;
struct iCamera;
struct iMeshWrapper;
struct iCollideSystem;

struct csShortestDistanceResult
{
  float sqdistance;

  csVector3 direction;
};

struct csScreenTargetResult
{
  iMeshWrapper* mesh;

  csVector3 isect;

  int polygon_idx;
};

class CS_CRYSTALSPACE_EXPORT csEngineTools
{
private:
  static float FindShortestDistance (
        const csVector3& source, iSector* sourceSector,
        const csVector3& dest, iSector* destSector,
        float maxradius,
        csSet<csPtrKey<iSector> >& visited_sectors,
        csVector3& direction,
        bool accurate);

public:
  static csShortestDistanceResult FindShortestDistance (
        const csVector3& source, iSector* sourceSector,
        const csVector3& dest, iSector* destSector,
        float maxradius, bool accurate = false);

  static csScreenTargetResult FindScreenTarget (const csVector2& pos,
      float maxdist, iCamera* camera, iCollideSystem* cdsys = 0);
};

#endif // __CS_ENGINETOOLS_H__

---