1 /* 2 Open Asset Import Library (assimp) 3 ---------------------------------------------------------------------- 4 5 Copyright (c) 2006-2021, assimp team 6 7 All rights reserved. 8 9 Redistribution and use of this software in source and binary forms, 10 with or without modification, are permitted provided that the 11 following 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 27 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 28 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 29 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 30 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 31 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 32 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 33 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 34 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 35 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 36 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 37 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 38 39 ---------------------------------------------------------------------- 40 */ 41 42 /** 43 * @file Definition of the .b3d importer class. 44 */ 45 #pragma once 46 #ifndef AI_B3DIMPORTER_H_INC 47 #define AI_B3DIMPORTER_H_INC 48 49 #include <assimp/types.h> 50 #include <assimp/mesh.h> 51 #include <assimp/material.h> 52 #include <assimp/BaseImporter.h> 53 54 #include <memory> 55 #include <vector> 56 57 struct aiNodeAnim; 58 struct aiNode; 59 struct aiAnimation; 60 61 namespace Assimp{ 62 63 class B3DImporter : public BaseImporter{ 64 public: 65 B3DImporter() = default; 66 ~B3DImporter() override; 67 bool CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const override; 68 69 protected: 70 const aiImporterDesc* GetInfo () const override; 71 void InternReadFile( const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler) override; 72 73 private: 74 75 int ReadByte(); 76 int ReadInt(); 77 float ReadFloat(); 78 aiVector2D ReadVec2(); 79 aiVector3D ReadVec3(); 80 aiQuaternion ReadQuat(); 81 std::string ReadString(); 82 std::string ReadChunk(); 83 void ExitChunk(); 84 size_t ChunkSize(); 85 86 template<class T> 87 T *to_array( const std::vector<T> &v ); 88 89 struct Vertex{ 90 aiVector3D vertex; 91 aiVector3D normal; 92 aiVector3D texcoords; 93 unsigned char bones[4]; 94 float weights[4]; 95 }; 96 97 AI_WONT_RETURN void Oops() AI_WONT_RETURN_SUFFIX; 98 AI_WONT_RETURN void Fail(const std::string &str) AI_WONT_RETURN_SUFFIX; 99 100 void ReadTEXS(); 101 void ReadBRUS(); 102 103 void ReadVRTS(); 104 void ReadTRIS( int v0 ); 105 void ReadMESH(); 106 void ReadBONE( int id ); 107 void ReadKEYS( aiNodeAnim *nodeAnim ); 108 void ReadANIM(); 109 110 aiNode *ReadNODE( aiNode *parent ); 111 112 void ReadBB3D( aiScene *scene ); 113 114 size_t _pos; 115 std::vector<unsigned char> _buf; 116 std::vector<size_t> _stack; 117 118 std::vector<std::string> _textures; 119 std::vector<std::unique_ptr<aiMaterial> > _materials; 120 121 int _vflags,_tcsets,_tcsize; 122 std::vector<Vertex> _vertices; 123 124 std::vector<aiNode*> _nodes; 125 std::vector<std::unique_ptr<aiMesh> > _meshes; 126 std::vector<std::unique_ptr<aiNodeAnim> > _nodeAnims; 127 std::vector<std::unique_ptr<aiAnimation> > _animations; 128 }; 129 130 } 131 132 #endif 133