1/*
2Open Asset Import Library (assimp)
3----------------------------------------------------------------------
4
5Copyright (c) 2006-2017, assimp team
6
7All rights reserved.
8
9Redistribution and use of this software in source and binary forms,
10with or without modification, are permitted provided that the
11following conditions are met:
12
13* Redistributions of source code must retain the above
14 copyright notice, this list of conditions and the
15 following disclaimer.
16
17* Redistributions in binary form must reproduce the above
18 copyright notice, this list of conditions and the
19 following disclaimer in the documentation and/or other
20 materials provided with the distribution.
21
22* Neither the name of the assimp team, nor the names of its
23 contributors may be used to endorse or promote products
24 derived from this software without specific prior
25 written permission of the assimp team.
26
27THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
30A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
32SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
33LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
34DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
35THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
36(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
37OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38
39----------------------------------------------------------------------
40*/
41#ifndef OBJ_FILE_IMPORTER_H_INC
42#define OBJ_FILE_IMPORTER_H_INC
43
44#include "BaseImporter.h"
45#include <assimp/material.h>
46#include <vector>
47
48struct aiMesh;
49struct aiNode;
50
51namespace Assimp {
52
53namespace ObjFile {
54 struct Object;
55 struct Model;
56}
57
58// ------------------------------------------------------------------------------------------------
59/// \class ObjFileImporter
60/// \brief Imports a waveform obj file
61// ------------------------------------------------------------------------------------------------
62class ObjFileImporter : public BaseImporter {
63public:
64 /// \brief Default constructor
65 ObjFileImporter();
66
67 /// \brief Destructor
68 ~ObjFileImporter();
69
70public:
71 /// \brief Returns whether the class can handle the format of the given file.
72 /// \remark See BaseImporter::CanRead() for details.
73 bool CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const;
74
75private:
76 //! \brief Appends the supported extension.
77 const aiImporterDesc* GetInfo () const;
78
79 //! \brief File import implementation.
80 void InternReadFile(const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler);
81
82 //! \brief Create the data from imported content.
83 void CreateDataFromImport(const ObjFile::Model* pModel, aiScene* pScene);
84
85 //! \brief Creates all nodes stored in imported content.
86 aiNode *createNodes(const ObjFile::Model* pModel, const ObjFile::Object* pData,
87 aiNode *pParent, aiScene* pScene, std::vector<aiMesh*> &MeshArray);
88
89 //! \brief Creates topology data like faces and meshes for the geometry.
90 aiMesh *createTopology( const ObjFile::Model* pModel, const ObjFile::Object* pData,
91 unsigned int uiMeshIndex );
92
93 //! \brief Creates vertices from model.
94 void createVertexArray(const ObjFile::Model* pModel, const ObjFile::Object* pCurrentObject,
95 unsigned int uiMeshIndex, aiMesh* pMesh, unsigned int numIndices );
96
97 //! \brief Object counter helper method.
98 void countObjects(const std::vector<ObjFile::Object*> &rObjects, int &iNumMeshes);
99
100 //! \brief Material creation.
101 void createMaterials(const ObjFile::Model* pModel, aiScene* pScene);
102
103 /// @brief Adds special property for the used texture mapping mode of the model.
104 void addTextureMappingModeProperty(aiMaterial* mat, aiTextureType type, int clampMode = 1, int index = 0);
105
106 //! \brief Appends a child node to a parent node and updates the data structures.
107 void appendChildToParentNode(aiNode *pParent, aiNode *pChild);
108
109private:
110 //! Data buffer
111 std::vector<char> m_Buffer;
112 //! Pointer to root object instance
113 ObjFile::Object *m_pRootObject;
114 //! Absolute pathname of model in file system
115 std::string m_strAbsPath;
116};
117
118// ------------------------------------------------------------------------------------------------
119
120} // Namespace Assimp
121
122#endif
123