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annotate libs/assimp/ObjExporter.h @ 0:b2f14e535253

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author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 01 Feb 2014 19:58:19 +0200
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nuclear@0 1 /*
nuclear@0 2 Open Asset Import Library (assimp)
nuclear@0 3 ----------------------------------------------------------------------
nuclear@0 4
nuclear@0 5 Copyright (c) 2006-2012, assimp team
nuclear@0 6 All rights reserved.
nuclear@0 7
nuclear@0 8 Redistribution and use of this software in source and binary forms,
nuclear@0 9 with or without modification, are permitted provided that the
nuclear@0 10 following conditions are met:
nuclear@0 11
nuclear@0 12 * Redistributions of source code must retain the above
nuclear@0 13 copyright notice, this list of conditions and the
nuclear@0 14 following disclaimer.
nuclear@0 15
nuclear@0 16 * Redistributions in binary form must reproduce the above
nuclear@0 17 copyright notice, this list of conditions and the
nuclear@0 18 following disclaimer in the documentation and/or other
nuclear@0 19 materials provided with the distribution.
nuclear@0 20
nuclear@0 21 * Neither the name of the assimp team, nor the names of its
nuclear@0 22 contributors may be used to endorse or promote products
nuclear@0 23 derived from this software without specific prior
nuclear@0 24 written permission of the assimp team.
nuclear@0 25
nuclear@0 26 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
nuclear@0 27 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
nuclear@0 28 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
nuclear@0 29 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
nuclear@0 30 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
nuclear@0 31 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
nuclear@0 32 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
nuclear@0 33 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
nuclear@0 34 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
nuclear@0 35 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
nuclear@0 36 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
nuclear@0 37
nuclear@0 38 ----------------------------------------------------------------------
nuclear@0 39 */
nuclear@0 40
nuclear@0 41 /** @file ColladaExporter.h
nuclear@0 42 * Declares the exporter class to write a scene to a Collada file
nuclear@0 43 */
nuclear@0 44 #ifndef AI_OBJEXPORTER_H_INC
nuclear@0 45 #define AI_OBJEXPORTER_H_INC
nuclear@0 46
nuclear@0 47 #include <sstream>
nuclear@0 48
nuclear@0 49 struct aiScene;
nuclear@0 50 struct aiNode;
nuclear@0 51
nuclear@0 52 namespace Assimp
nuclear@0 53 {
nuclear@0 54
nuclear@0 55 // ------------------------------------------------------------------------------------------------
nuclear@0 56 /** Helper class to export a given scene to an OBJ file. */
nuclear@0 57 // ------------------------------------------------------------------------------------------------
nuclear@0 58 class ObjExporter
nuclear@0 59 {
nuclear@0 60 public:
nuclear@0 61 /// Constructor for a specific scene to export
nuclear@0 62 ObjExporter(const char* filename, const aiScene* pScene);
nuclear@0 63
nuclear@0 64 public:
nuclear@0 65
nuclear@0 66 std::string GetMaterialLibName();
nuclear@0 67 std::string GetMaterialLibFileName();
nuclear@0 68
nuclear@0 69 public:
nuclear@0 70
nuclear@0 71 /// public stringstreams to write all output into
nuclear@0 72 std::ostringstream mOutput, mOutputMat;
nuclear@0 73
nuclear@0 74 private:
nuclear@0 75
nuclear@0 76 // intermediate data structures
nuclear@0 77 struct FaceVertex
nuclear@0 78 {
nuclear@0 79 FaceVertex()
nuclear@0 80 : vp(),vn(),vt()
nuclear@0 81 {
nuclear@0 82 }
nuclear@0 83
nuclear@0 84 // one-based, 0 means: 'does not exist'
nuclear@0 85 unsigned int vp,vn,vt;
nuclear@0 86 };
nuclear@0 87
nuclear@0 88 struct Face {
nuclear@0 89 char kind;
nuclear@0 90 std::vector<FaceVertex> indices;
nuclear@0 91 };
nuclear@0 92
nuclear@0 93 struct MeshInstance {
nuclear@0 94
nuclear@0 95 std::string name, matname;
nuclear@0 96 std::vector<Face> faces;
nuclear@0 97 };
nuclear@0 98
nuclear@0 99 void WriteHeader(std::ostringstream& out);
nuclear@0 100
nuclear@0 101 void WriteMaterialFile();
nuclear@0 102 void WriteGeometryFile();
nuclear@0 103
nuclear@0 104 std::string GetMaterialName(unsigned int index);
nuclear@0 105
nuclear@0 106 void AddMesh(const aiString& name, const aiMesh* m, const aiMatrix4x4& mat);
nuclear@0 107 void AddNode(const aiNode* nd, const aiMatrix4x4& mParent);
nuclear@0 108
nuclear@0 109 private:
nuclear@0 110
nuclear@0 111 const std::string filename;
nuclear@0 112 const aiScene* const pScene;
nuclear@0 113
nuclear@0 114 std::vector<aiVector3D> vp, vn, vt;
nuclear@0 115 std::vector<MeshInstance> meshes;
nuclear@0 116
nuclear@0 117 // this endl() doesn't flush() the stream
nuclear@0 118 const std::string endl;
nuclear@0 119 };
nuclear@0 120
nuclear@0 121 }
nuclear@0 122
nuclear@0 123 #endif