assimp/code/BlenderBMesh.h

/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------

Copyright (c) 2006-2013, assimp team
All rights reserved.

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  following disclaimer.

* Redistributions in binary form must reproduce the above
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  written permission of the assimp team.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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*/

/** @file  BlenderBMesh.h
 *  @brief Conversion of Blender's new BMesh stuff
 */
#ifndef INCLUDED_AI_BLEND_BMESH_H
#define INCLUDED_AI_BLEND_BMESH_H

#include "LogAux.h"

namespace Assimp
{
    // TinyFormatter.h
    namespace Formatter
    {
        template < typename T,typename TR, typename A > class basic_formatter;
        typedef class basic_formatter< char, std::char_traits< char >, std::allocator< char > > format;
    }

    // BlenderScene.h
    namespace Blender
    {
        struct Mesh;
        struct MPoly;
        struct MLoop;
    }

    class BlenderBMeshConverter: public LogFunctions< BlenderBMeshConverter >
    {
    public:
        BlenderBMeshConverter( const Blender::Mesh* mesh );
        ~BlenderBMeshConverter( );

        bool ContainsBMesh( ) const;

        const Blender::Mesh* TriangulateBMesh( );

    private:
        void AssertValidMesh( );
        void AssertValidSizes( );
        void PrepareTriMesh( );
        void DestroyTriMesh( );
        void ConvertPolyToFaces( const Blender::MPoly& poly );
        void AddFace( int v1, int v2, int v3, int v4 = 0 );
        void AddTFace( const float* uv1, const float* uv2, const float *uv3, const float* uv4 = 0 );

        const Blender::Mesh* BMesh;
        Blender::Mesh* triMesh;

        friend class BlenderTessellatorGL;
        friend class BlenderTessellatorP2T;
    };

} // end of namespace Assimp

#endif // INCLUDED_AI_BLEND_BMESH_H