KeosMeshGeom.h

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/*
 * This source file is part of KEOS (Free 3D Engine)
 * For the latest info, see http://www.keosengine.org/
 * E-mails : thierry.vouriot@keosengine.org, yeri@keosengine.org
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) any later
 * version.
 *
 * This program 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 * http://www.gnu.org/copyleft/lesser.txt.
 *
 */
#ifndef KEOS_MESHGEOM_H
#define KEOS_MESHGEOM_H

#include "KeosPrerequisites.h"
#include "KeosDeclaration.h"
#include "KeosBuffer.h"


namespace Keos
{     

  //-----------------------------------------------------------------------
  class KEOS_EXPORT CMeshGeom
  {
    friend class CMesh;
    friend class CAnimatedMeshKF;

  public :

    struct TVertex
    {
      TVector3F     Position;
      TVector3F     Normal;
      ulong         Color;
      TVector2F     TexCoords;
    };
    typedef ushort TIndex;

    CMeshGeom( const TVertex* pVertices,
               ulong nVerticesCount,
               const TIndex* pIndices,
               ulong nIndicesCount,
               TPrimitiveType PrimitiveType = PT_TRIANGLELIST);

#if KEOS_MESH_SHARED_VERTEX_BUFFER

    CMeshGeom(const TIndex* pIndices, ulong nIndicesCount, TPrimitiveType PrimitiveType = PT_TRIANGLELIST);
#endif

    ~CMeshGeom();

    uint GetTrianglesCount(void)
    { 
      return m_IndexBuffer.GetCount() / 3;
    }

#if KEOS_DEBUG_MODE

    void SetMaterialIndex(int nIndex);
#else // In release this function is inline

    void SetMaterialIndex(int nIndex)
    {
      m_nMaterialIndex = nIndex;
    }
#endif

    int GetMaterialIndex(void)
    {
      return m_nMaterialIndex;
    }

    void AssignMaterialColor();

    void AssignColor(const CColor& Color);

  protected :

    CDeclarationPtr  m_pDeclaration;
    CBuffer<TVertex> m_VertexBuffer;
    CBuffer<TIndex>  m_IndexBuffer;

    TPrimitiveType m_PrimitiveType;
    int m_nPrimitivesCount;
    int GetPrimitivesCount(TPrimitiveType PrimitiveType);

    CMesh* m_pParentMesh;

    int m_nMaterialIndex;

    bool m_bUseSharedVertexBuffer;
  };

  typedef CSmartPtr<CMeshGeom, CRefCount> TMeshGeomPtr;

  typedef std::vector<CMeshGeom::TIndex>  TIndexList;
  typedef std::vector<CMeshGeom::TVertex> TVertexList;

} // namespace Keos

#endif // KEOS_MESHGEOM_H

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