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# csgeom/polyidx.h

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    00001 /*
    00002     Copyright (C) 1998 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_POLYIDX_H__
    00020 #define __CS_POLYIDX_H__
    00021
    00029 #include "csextern.h"
    00030
    00038 class CS_CRYSTALSPACE_EXPORT csPolyIndexed
    00039 {
    00040 protected:
    00042   int* vertices_idx;
    00044   int num_vertices;
    00046   int max_vertices;
    00047
    00048 public:
    00052   csPolyIndexed (int start_size = 10);
    00053
    00055   csPolyIndexed (csPolyIndexed& copy);
    00056
    00058   virtual ~csPolyIndexed ();
    00059
    00061   csPolyIndexed& operator = (const csPolyIndexed& other);
    00062
    00066   void MakeEmpty ();
    00067
    00071   int GetVertexCount () const { return num_vertices; }
    00072
    00076   int* GetVertexIndices () { return vertices_idx; }
    00077
    00081   const int* GetVertexIndices () const { return vertices_idx; }
    00082
    00086   int GetVertex (int i)  const
    00087   {
    00088     if (i<0 || i>=num_vertices) return -1;
    00089     return vertices_idx[i];
    00090   }
    00091
    00095   int& operator[] (int i)
    00096   {
    00097     CS_ASSERT (i >= 0 && i < num_vertices);
    00098     return vertices_idx[i];
    00099   }
    00100
    00104   int& operator[] (int i) const
    00105   {
    00106     CS_ASSERT (i >= 0 && i < num_vertices);
    00107     return vertices_idx[i];
    00108   }
    00109
    00113   void MakeRoom (int new_max);
    00114
    00119   int AddVertex (int i);
    00120 };
    00121
    00124 #endif // __CS_POLYIDX_H__