KeosMesh.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_MESH_H
#define KEOS_MESH_H

#include "KeosPrerequisites.h"
#include "KeosResource.h"
#include "KeosMeshGeom.h"
#include "KeosMaterial.h"

namespace Keos
{
  //-----------------------------------------------------------------------
  class KEOS_EXPORT CMesh : public IResource
  {
    friend class CMeshGeom;

  public :

    CMesh();

    virtual ~CMesh();

    void Render() const;

    uint GetTrianglesCount(void);

    void CreateSharedVertexBuffer(const CMeshGeom::TVertex* pVertices, ulong nVerticesCount);

    void ComputeNormals();


    //-----------------------------------------------
    void AddMeshGeom(CMeshGeom* pMeshGeom)
    {
      pMeshGeom->m_pParentMesh = this;
      m_MeshGeomList.push_back(pMeshGeom);
    }

    void AddMeshGeom(CMeshGeom* pMeshGeom, const String& strName)
    {
      AddMeshGeom(pMeshGeom);
      NameMeshGeom(strName, (ushort)m_MeshGeomList.size() - 1);
    }

    void NameMeshGeom(const String& strName, ushort nIndex)
    {
      m_MeshGeomNameMap[strName] = nIndex;
    }

    ushort GetNumMeshGeom(void) const
    {
      return static_cast<ushort>( m_MeshGeomList.size() );
    }

    CMeshGeom* GetMeshGeom(ushort nIndex) const;

    CMeshGeom* GetMeshGeom(const String& strName) const ;

    ushort _GetMeshGeomIndex(const String& strName) const;


    //-----------------------------------------------
    typedef std::vector<CMaterial*> TMaterialList;

    TMaterialList& GetMaterialList()
    {
      return m_MaterialList;
    }

    CMaterial* GetMaterial(ushort nIndex)
    {
      return m_MaterialList[nIndex];
    }

    size_t GetLastAddedMaterialIndex(void)
    {
      return m_MaterialList.size() - 1;
    }

    size_t GetMaterialsCount(void)
    {
      return m_MaterialList.size();
    }

    void AddMaterial(CMaterial* pMaterial)
    {
      m_MaterialList.push_back(pMaterial);
    }

    void AddMaterial(CMaterial* pMaterial, ushort nMeshGeomIndex)
    {
      m_MaterialList.push_back(pMaterial);
      GetMeshGeom(nMeshGeomIndex)->SetMaterialIndex((int)GetLastAddedMaterialIndex());
    }


  protected :

    CBuffer<CMeshGeom::TVertex> m_SharedVertexBuffer;

    TMaterialList m_MaterialList;

    typedef std::vector<CMeshGeom*> TMeshGeomList;
    TMeshGeomList m_MeshGeomList;

    typedef std::map<String, ushort> TMeshGeomNameMap ;
    TMeshGeomNameMap m_MeshGeomNameMap ;

  };

  typedef CSmartPtr<CMesh, CRefCount> TMeshPtr;

} // namespace Keos


#endif // KEOS_MESH_H

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