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-/*
-Open Asset Import Library (assimp)
-----------------------------------------------------------------------
-
-Copyright (c) 2006-2020, assimp team
-
-All rights reserved.
-
-Redistribution and use of this software in source and binary forms,
-with or without modification, are permitted provided that the
-following conditions are met:
-
-* Redistributions of source code must retain the above
- copyright notice, this list of conditions and the
- following disclaimer.
-
-* Redistributions in binary form must reproduce the above
- copyright notice, this list of conditions and the
- following disclaimer in the documentation and/or other
- materials provided with the distribution.
-
-* Neither the name of the assimp team, nor the names of its
- contributors may be used to endorse or promote products
- 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
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-----------------------------------------------------------------------
-*/
-#ifndef OBJ_FILEPARSER_H_INC
-#define OBJ_FILEPARSER_H_INC
-
-#include <assimp/IOStreamBuffer.h>
-#include <assimp/material.h>
-#include <assimp/mesh.h>
-#include <assimp/vector2.h>
-#include <assimp/vector3.h>
-#include <map>
-#include <memory>
-#include <string>
-#include <vector>
-
-namespace Assimp {
-
-namespace ObjFile {
-struct Model;
-struct Object;
-struct Material;
-struct Point3;
-struct Point2;
-} // namespace ObjFile
-
-class ObjFileImporter;
-class IOSystem;
-class ProgressHandler;
-
-/// \class ObjFileParser
-/// \brief Parser for a obj waveform file
-class ASSIMP_API ObjFileParser {
-public:
- static const size_t Buffersize = 4096;
- typedef std::vector<char> DataArray;
- typedef std::vector<char>::iterator DataArrayIt;
- typedef std::vector<char>::const_iterator ConstDataArrayIt;
-
- /// @brief The default constructor.
- ObjFileParser();
- /// @brief Constructor with data array.
- ObjFileParser(IOStreamBuffer<char> &streamBuffer, const std::string &modelName, IOSystem *io, ProgressHandler *progress, const std::string &originalObjFileName);
- /// @brief Destructor
- ~ObjFileParser();
- /// @brief If you want to load in-core data.
- void setBuffer(std::vector<char> &buffer);
- /// @brief Model getter.
- ObjFile::Model *GetModel() const;
-
- ObjFileParser(const ObjFileParser&) = delete;
- ObjFileParser &operator=(const ObjFileParser& ) = delete;
-
-protected:
- /// Parse the loaded file
- void parseFile(IOStreamBuffer<char> &streamBuffer);
- /// Method to copy the new delimited word in the current line.
- void copyNextWord(char *pBuffer, size_t length);
- /// Method to copy the new line.
- // void copyNextLine(char *pBuffer, size_t length);
- /// Get the number of components in a line.
- size_t getNumComponentsInDataDefinition();
- /// Stores the vector
- size_t getTexCoordVector(std::vector<aiVector3D> &point3d_array);
- /// Stores the following 3d vector.
- void getVector3(std::vector<aiVector3D> &point3d_array);
- /// Stores the following homogeneous vector as a 3D vector
- void getHomogeneousVector3(std::vector<aiVector3D> &point3d_array);
- /// Stores the following two 3d vectors on the line.
- void getTwoVectors3(std::vector<aiVector3D> &point3d_array_a, std::vector<aiVector3D> &point3d_array_b);
- /// Stores the following 3d vector.
- void getVector2(std::vector<aiVector2D> &point2d_array);
- /// Stores the following face.
- void getFace(aiPrimitiveType type);
- /// Reads the material description.
- void getMaterialDesc();
- /// Gets a comment.
- void getComment();
- /// Gets a a material library.
- void getMaterialLib();
- /// Creates a new material.
- void getNewMaterial();
- /// Gets the group name from file.
- void getGroupName();
- /// Gets the group number from file.
- void getGroupNumber();
- /// Gets the group number and resolution from file.
- void getGroupNumberAndResolution();
- /// Returns the index of the material. Is -1 if not material was found.
- int getMaterialIndex(const std::string &strMaterialName);
- /// Parse object name
- void getObjectName();
- /// Creates a new object.
- void createObject(const std::string &strObjectName);
- /// Creates a new mesh.
- void createMesh(const std::string &meshName);
- /// Returns true, if a new mesh instance must be created.
- bool needsNewMesh(const std::string &rMaterialName);
- /// Error report in token
- void reportErrorTokenInFace();
-
-private:
- // Copy and assignment constructor should be private
- // because the class contains pointer to allocated memory
-
- /// Default material name
- static constexpr char DEFAULT_MATERIAL[] = AI_DEFAULT_MATERIAL_NAME;
- //! Iterator to current position in buffer
- DataArrayIt m_DataIt;
- //! Iterator to end position of buffer
- DataArrayIt m_DataItEnd;
- //! Pointer to model instance
- std::unique_ptr<ObjFile::Model> m_pModel;
- //! Current line (for debugging)
- unsigned int m_uiLine;
- //! Helper buffer
- char m_buffer[Buffersize];
- /// Pointer to IO system instance.
- IOSystem *m_pIO;
- //! Pointer to progress handler
- ProgressHandler *m_progress;
- /// Path to the current model, name of the obj file where the buffer comes from
- const std::string m_originalObjFileName;
-};
-
-} // Namespace Assimp
-
-#endif