LOD_ExternNormalEditor.h

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/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#ifndef NAN_INCLUDED_ExternNormalEditor_h
#define NAN_INCLUDED_ExternNormalEditor_h

#include "MEM_NonCopyable.h"
#include "LOD_ManMesh2.h"
#include "MT_Vector3.h"
#include "../extern/LOD_decimation.h"

class LOD_ExternNormalEditor : public MEM_NonCopyable
{

public : 

    // Creation

    static
        LOD_ExternNormalEditor *
    New(
        LOD_Decimation_InfoPtr,
        LOD_ManMesh2 &mesh
    ); 

    // Property editor interface


    // Faces
        void
    Remove(
        std::vector<LOD_FaceInd> &sorted_faces
    );

        void
    Add(
    );  

        void
    Update(
        std::vector<LOD_FaceInd> &sorted_faces
    );

    const 
        std::vector<MT_Vector3> &
    Normals(
    ) const {
        return m_normals.Ref();
    };
    

    // vertex normals

        void
    RemoveVertexNormals(
        std::vector<LOD_VertexInd> &sorted_verts
    );


        void
    UpdateVertexNormals(
        std::vector<LOD_VertexInd> &sorted_verts
    );

    // Editor specific methods

        void
    BuildNormals(
    );  


private :

    MEM_SmartPtr<std::vector<MT_Vector3> > m_normals;

    LOD_ManMesh2 &m_mesh;
    LOD_Decimation_InfoPtr m_extern_info;

private :
    
        
    LOD_ExternNormalEditor(
        LOD_Decimation_InfoPtr extern_info,
        LOD_ManMesh2 &mesh
    );

    const 
        MT_Vector3 
    ComputeNormal(
        const LOD_TriFace &face
    ) const ;

    const 
        MT_Vector3
    ComputeVertexNormal (
        const LOD_VertexInd vi
    ) const;
};

#endif