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diff --git a/src/3rdparty/assimp/code/ObjExporter.h b/src/3rdparty/assimp/code/ObjExporter.h
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-/*
-Open Asset Import Library (assimp)
-----------------------------------------------------------------------
-
-Copyright (c) 2006-2017, 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.
-
-----------------------------------------------------------------------
-*/
-
-/** @file ObjExporter.h
- * Declares the exporter class to write a scene to a Collada file
- */
-#ifndef AI_OBJEXPORTER_H_INC
-#define AI_OBJEXPORTER_H_INC
-
-#include <assimp/types.h>
-#include <sstream>
-#include <vector>
-#include <map>
-
-struct aiScene;
-struct aiNode;
-struct aiMesh;
-
-namespace Assimp {
-
-// ------------------------------------------------------------------------------------------------
-/** Helper class to export a given scene to an OBJ file. */
-// ------------------------------------------------------------------------------------------------
-class ObjExporter {
-public:
- /// Constructor for a specific scene to export
- ObjExporter(const char* filename, const aiScene* pScene, bool noMtl=false);
- ~ObjExporter();
- std::string GetMaterialLibName();
- std::string GetMaterialLibFileName();
-
- /// public string-streams to write all output into
- std::ostringstream mOutput, mOutputMat;
-
-private:
- // intermediate data structures
- struct FaceVertex {
- FaceVertex()
- : vp()
- , vn()
- , vt()
- , vc() {
- // empty
- }
-
- // one-based, 0 means: 'does not exist'
- unsigned int vp, vn, vt, vc;
- };
-
- struct Face {
- char kind;
- std::vector<FaceVertex> indices;
- };
-
- struct MeshInstance {
- std::string name, matname;
- std::vector<Face> faces;
- };
-
- void WriteHeader(std::ostringstream& out);
- void WriteMaterialFile();
- void WriteGeometryFile(bool noMtl=false);
- std::string GetMaterialName(unsigned int index);
- void AddMesh(const aiString& name, const aiMesh* m, const aiMatrix4x4& mat);
- void AddNode(const aiNode* nd, const aiMatrix4x4& mParent);
-
-private:
- std::string filename;
- const aiScene* const pScene;
- std::vector<aiVector3D> vp, vn, vt;
- std::vector<aiColor4D> vc;
-
- struct aiVectorCompare {
- bool operator() (const aiVector3D& a, const aiVector3D& b) const {
- if(a.x < b.x) return true;
- if(a.x > b.x) return false;
- if(a.y < b.y) return true;
- if(a.y > b.y) return false;
- if(a.z < b.z) return true;
- return false;
- }
- };
-
- struct aiColor4Compare {
- bool operator() ( const aiColor4D& a, const aiColor4D& b ) const {
- if ( a.r < b.r ) return true;
- if ( a.r > b.r ) return false;
- if ( a.g < b.g ) return true;
- if ( a.g > b.g ) return false;
- if ( a.b < b.b ) return true;
- if ( a.b > b.b ) return false;
- if ( a.a < b.a ) return true;
- if ( a.a > b.a ) return false;
- return false;
- }
- };
-
- class vecIndexMap {
- int mNextIndex;
- typedef std::map<aiVector3D, int, aiVectorCompare> dataType;
- dataType vecMap;
-
- public:
- vecIndexMap()
- : mNextIndex(1) {
- // empty
- }
-
- int getIndex(const aiVector3D& vec);
- void getVectors( std::vector<aiVector3D>& vecs );
- };
-
- class colIndexMap {
- int mNextIndex;
- typedef std::map<aiColor4D, int, aiColor4Compare> dataType;
- dataType colMap;
-
- public:
- colIndexMap()
- : mNextIndex( 1 ) {
- // empty
- }
-
- int getIndex( const aiColor4D& col );
- void getColors( std::vector<aiColor4D> &colors );
- };
-
- vecIndexMap mVpMap, mVnMap, mVtMap;
- colIndexMap mVcMap;
- std::vector<MeshInstance> mMeshes;
-
- // this endl() doesn't flush() the stream
- const std::string endl;
-};
-
-}
-
-#endif