cbufcube.h Source File

00001 /*
00002     Copyright (C) 2000 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 
00019 #ifndef __CS_CBUFCUBE_H__
00020 #define __CS_CBUFCUBE_H__
00021 
00022 class csClipper;
00023 
00024 #include "csengine/cbuffer.h"
00025 #include "csengine/pol2d.h"
00026 #include "csgeom/polyclip.h"
00027 
00032 class csCBufferPersp : public csCBuffer
00033 {
00034 private:
00036   bool DoPerspective (csVector3* verts, int num_verts,
00037     csPolygon2D& persp);
00038 
00039 public:
00041   csCBufferPersp (int sx, int sy, int nlines) : csCBuffer (sx, sy, nlines) { }
00042 
00047   bool InsertPolygon (csVector3* verts, int num_verts, csClipper* clipper = NULL);
00048 
00053   bool TestPolygon (csVector3* verts, int num_verts, csClipper* clipper = NULL);
00054 };
00055 
00059 class csCBufferCube
00060 {
00061 private:
00063   csCBufferPersp* trees[6];
00065   csBoxClipper* clipper;
00066 
00067 public:
00069   csCBufferCube (int dim);
00070 
00074   ~csCBufferCube ();
00075 
00079   void MakeEmpty ();
00080 
00084   bool IsFull ();
00085 
00094   bool InsertPolygon (csVector3* verts, int num_verts);
00095 
00103   bool TestPolygon (csVector3* verts, int num_verts);
00104 };
00105 
00106 #endif // __CS_CBUFCUBE_H__
00107