assimp/code/M3D/M3DExporter.h

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

Copyright (c) 2006-2019, assimp team
Copyright (c) 2019 bzt

All rights reserved.

Redistribution and use of this software in source and binary forms,
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following disclaimer.

* Redistributions in binary form must reproduce the above
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following disclaimer in the documentation and/or other
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* Neither the name of the assimp team, nor the names of its
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derived from this software without specific prior
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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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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----------------------------------------------------------------------
*/

/** @file M3DExporter.h
*   @brief Declares the exporter class to write a scene to a Model 3D file
*/
#ifndef AI_M3DEXPORTER_H_INC
#define AI_M3DEXPORTER_H_INC

#ifndef ASSIMP_BUILD_NO_M3D_EXPORTER

#include "m3d.h"

#include <assimp/types.h>
//#include <assimp/material.h>
#include <assimp/StreamWriter.h> // StreamWriterLE
#include <assimp/Exceptional.h> // DeadlyExportError

#include <memory> // shared_ptr

struct aiScene;
struct aiNode;
struct aiMaterial;
struct aiFace;

namespace Assimp
{
    class IOSystem;
    class IOStream;
    class ExportProperties;

    // ---------------------------------------------------------------------
    /** Helper class to export a given scene to an M3D file. */
    // ---------------------------------------------------------------------
    class M3DExporter
    {
    public:
        /// Constructor for a specific scene to export
        M3DExporter(const aiScene* pScene, const ExportProperties* pProperties);
        // call this to do the actual export
        void doExport(const char* pFile, IOSystem* pIOSystem, bool toAscii);

    private:
        const aiScene* mScene; // the scene to export
        const ExportProperties* mProperties; // currently unused
        std::shared_ptr<IOStream> outfile; // file to write to
        m3d_t *m3d; // model for the C library to convert to

        // helper to do the recursive walking
        void NodeWalk(const aiNode* pNode, aiMatrix4x4 m);
        m3dv_t *AddVrtx(m3dv_t *vrtx, uint32_t *numvrtx, m3dv_t *v, uint32_t *idx);
        m3dti_t *AddTmap(m3dti_t *tmap, uint32_t *numtmap, m3dti_t *ti, uint32_t *idx);
        uint32_t mkColor(aiColor4D* c);
        M3D_INDEX addMaterial(const aiMaterial *mat);
        void addProp(m3dm_t *m, uint8_t type, uint32_t value);
    };
}

#endif // ASSIMP_BUILD_NO_M3D_EXPORTER

#endif // AI_M3DEXPORTER_H_INC