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# csgeom/trimesh.h

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    00001 /*
    00002     Copyright (C) 2002 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_TRIMESH_H__
    00020 #define __CS_TRIMESH_H__
    00021
    00022 #include "csextern.h"
    00023
    00024 #include "csgeom/tri.h"
    00025 #include "csgeom/vector3.h"
    00026
    00027 #include "csutil/array.h"
    00028 #include "csutil/dirtyaccessarray.h"
    00029
    00041 class CS_CRYSTALSPACE_EXPORT csTriangleMesh
    00042 {
    00043 protected:
    00045   csDirtyAccessArray<csTriangle> triangles;
    00046
    00047 public:
    00049   csTriangleMesh () { }
    00051   csTriangleMesh (const csTriangleMesh& mesh);
    00053   ~csTriangleMesh ();
    00054
    00056   void AddTriangle (int a, int b, int c);
    00058   csTriangle* GetTriangles () { return triangles.GetArray (); }
    00060   const csTriangle* GetTriangles () const { return triangles.GetArray (); }
    00062   csTriangle& GetTriangle (int i) { return triangles[i]; }
    00064   size_t GetTriangleCount () const { return triangles.Length (); }
    00065
    00067   void Clear ();
    00069   void SetSize (int count);
    00071   void SetTriangles (csTriangle const* trigs, int count);
    00072 };
    00073
    00079 class CS_CRYSTALSPACE_EXPORT csTriangleVertex
    00080 {
    00081 public:
    00083   csVector3 pos;
    00085   int idx;
    00086
    00088   csArray<size_t> con_triangles;
    00089
    00091   csArray<int> con_vertices;
    00092
    00094   csTriangleVertex () { }
    00096   ~csTriangleVertex () { }
    00098   void AddTriangle (size_t idx);
    00100   void AddVertex (int idx);
    00101 };
    00102
    00107 class CS_CRYSTALSPACE_EXPORT csTriangleVertices
    00108 {
    00109 protected:
    00110   csTriangleVertex* vertices;
    00111   int num_vertices;
    00112
    00113 public:
    00115   csTriangleVertices (csTriangleMesh* mesh, csVector3* verts, int num_verts);
    00117   ~csTriangleVertices ();
    00122   void UpdateVertices (csVector3* verts);
    00123
    00125   int GetVertexCount () const { return num_vertices; }
    00127   csTriangleVertex& GetVertex (int idx) { return vertices[idx]; }
    00128 };
    00129
    00132 #endif // __CS_TRIMESH_H__
    00133