assimp/code/AssetLib/M3D/M3DImporter.h

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

Copyright (c) 2006-2022, 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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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
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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----------------------------------------------------------------------
*/

/** @file M3DImporter.h
*   @brief Declares the importer class to read a scene from a Model 3D file
*/
#ifndef AI_M3DIMPORTER_H_INC
#define AI_M3DIMPORTER_H_INC

#ifndef ASSIMP_BUILD_NO_M3D_IMPORTER

#include <assimp/BaseImporter.h>
#include <assimp/material.h>
#include <vector>

struct aiMesh;
struct aiNode;
struct aiMaterial;
struct aiFace;

namespace Assimp {

class M3DWrapper;

class M3DImporter : public BaseImporter {
public:
	/// \brief  Default constructor
	M3DImporter();
    ~M3DImporter() override {}

	/// \brief  Returns whether the class can handle the format of the given file.
	/// \remark See BaseImporter::CanRead() for details.
	bool CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const override;

protected:
    //! \brief  Appends the supported extension.
    const aiImporterDesc *GetInfo() const override;

    //! \brief  File import implementation.
    void InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler) override;

private:
	void importMaterials(const M3DWrapper &m3d);
	void importTextures(const M3DWrapper &m3d);
	void importMeshes(const M3DWrapper &m3d);
	void importBones(const M3DWrapper &m3d, unsigned int parentid, aiNode *pParent);
	void importAnimations(const M3DWrapper &m3d);

	// helper functions
	aiColor4D mkColor(uint32_t c);
	void convertPose(const M3DWrapper &m3d, aiMatrix4x4 *m, unsigned int posid, unsigned int orientid);
    aiNode *findNode(aiNode *pNode, const aiString &name);
    void calculateOffsetMatrix(aiNode *pNode, aiMatrix4x4 *m);
	void populateMesh(const M3DWrapper &m3d, aiMesh *pMesh, std::vector<aiFace> *faces, std::vector<aiVector3D> *verteces,
			std::vector<aiVector3D> *normals, std::vector<aiVector3D> *texcoords, std::vector<aiColor4D> *colors,
			std::vector<unsigned int> *vertexids);

private:
    aiScene *mScene = nullptr; // the scene to import to
};

} // Namespace Assimp

#endif // ASSIMP_BUILD_NO_M3D_IMPORTER

#endif // AI_M3DIMPORTER_H_INC