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1 /*
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2 Open Asset Import Library (assimp)
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3 ----------------------------------------------------------------------
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4
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5 Copyright (c) 2006-2012, assimp team
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6 All rights reserved.
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7
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8 Redistribution and use of this software in source and binary forms,
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9 with or without modification, are permitted provided that the
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10 following conditions are met:
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11
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12 * Redistributions of source code must retain the above
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13 copyright notice, this list of conditions and the
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14 following disclaimer.
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15
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16 * Redistributions in binary form must reproduce the above
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17 copyright notice, this list of conditions and the
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18 following disclaimer in the documentation and/or other
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19 materials provided with the distribution.
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20
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21 * Neither the name of the assimp team, nor the names of its
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22 contributors may be used to endorse or promote products
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23 derived from this software without specific prior
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24 written permission of the assimp team.
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25
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26 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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27 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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28 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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29 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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30 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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31 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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32 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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33 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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34 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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35 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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36 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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37
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38 ----------------------------------------------------------------------
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39 */
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40
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41
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42 #ifndef OBJ_FILE_IMPORTER_H_INC
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43 #define OBJ_FILE_IMPORTER_H_INC
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44
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45 #include "BaseImporter.h"
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46 #include <vector>
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47
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48 struct aiMesh;
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49 struct aiNode;
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50
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51 namespace Assimp
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52 {
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53
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54 namespace ObjFile
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55 {
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56 struct Object;
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57 struct Model;
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58 }
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59
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60 // ------------------------------------------------------------------------------------------------
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61 /// \class ObjFileImporter
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62 /// \brief Imports a waveform obj file
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63 // ------------------------------------------------------------------------------------------------
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64 class ObjFileImporter : public BaseImporter
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65 {
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66 public:
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67 /// \brief Default constructor
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68 ObjFileImporter();
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69
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70 /// \brief Destructor
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71 ~ObjFileImporter();
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72
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73 public:
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74 /// \brief Returns whether the class can handle the format of the given file.
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75 /// \remark See BaseImporter::CanRead() for details.
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76 bool CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const;
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77
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78 private:
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79
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80 //! \brief Appends the supported extention.
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81 const aiImporterDesc* GetInfo () const;
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82
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83 //! \brief File import implementation.
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84 void InternReadFile(const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler);
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85
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86 //! \brief Create the data from imported content.
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87 void CreateDataFromImport(const ObjFile::Model* pModel, aiScene* pScene);
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88
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89 //! \brief Creates all nodes stored in imported content.
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90 aiNode *createNodes(const ObjFile::Model* pModel, const ObjFile::Object* pData, unsigned int uiMeshIndex,
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91 aiNode *pParent, aiScene* pScene, std::vector<aiMesh*> &MeshArray);
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92
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93 //! \brief Creates topology data like faces and meshes for the geometry.
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94 void createTopology(const ObjFile::Model* pModel, const ObjFile::Object* pData,
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95 unsigned int uiMeshIndex, aiMesh* pMesh);
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96
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97 //! \brief Creates vertices from model.
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98 void createVertexArray(const ObjFile::Model* pModel, const ObjFile::Object* pCurrentObject,
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99 unsigned int uiMeshIndex, aiMesh* pMesh,unsigned int uiIdxCount);
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100
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101 //! \brief Object counter helper method.
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102 void countObjects(const std::vector<ObjFile::Object*> &rObjects, int &iNumMeshes);
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103
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104 //! \brief Material creation.
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105 void createMaterials(const ObjFile::Model* pModel, aiScene* pScene);
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106
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107 //! \brief Appends a child node to a parentnode and updates the datastructures.
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108 void appendChildToParentNode(aiNode *pParent, aiNode *pChild);
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109
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110 //! \brief TODO!
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111 void createAnimations();
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112
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113 private:
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114 //! Data buffer
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115 std::vector<char> m_Buffer;
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116 //! Pointer to root object instance
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117 ObjFile::Object *m_pRootObject;
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118 //! Absolute pathname of model in filesystem
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119 std::string m_strAbsPath;
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120 };
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121
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122 // ------------------------------------------------------------------------------------------------
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123
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124 } // Namespace Assimp
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125
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126 #endif
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