text: /*
  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.
  
  @author: Richard Steffen, 2014
  
  ----------------------------------------------------------------------
  */
  
  /** @file StepExporter.h
   * Declares the exporter class to write a scene to a Collada file
   */
  #ifndef AI_STEPEXPORTER_H_INC
  #define AI_STEPEXPORTER_H_INC
  
  #include "../include/assimp/ai_assert.h"
  #include "../include/assimp/matrix4x4.h"
  #include "../include/assimp/Exporter.hpp"
  #include <sstream>
  
  
  struct aiScene;
  struct aiNode;
  
  namespace Assimp
  {
  
  /// Helper class to export a given scene to a StepFile.
  /// Note: an StepFile uses a left hand system. Assimp used a right hand system (OpenGL), therefore we have to transform everything
  class StepExporter
  {
  public:
      /// Constructor for a specific scene to export
      StepExporter(const aiScene* pScene, IOSystem* pIOSystem, const std::string& path, const std::string& file, const ExportProperties* pProperties);
  
  protected:
      /// Starts writing the contents
      void WriteFile();
  
  public:
  
      /// Stringstream to write all output into
      std::stringstream mOutput;
  
  protected:
  
      /// hold the properties pointer
      const ExportProperties* mProperties;
  
      /// The IOSystem for output
      IOSystem* mIOSystem;
  
      /// Name of the file (without extension) where the scene will be exported
      std::string mFile;
  
      /// Path of the directory where the scene will be exported
      std::string mPath;
  
      /// The scene to be written
      const aiScene* mScene;
  
      /// current line end string for simple stream insertion
      std::string endstr;
  
      /// accumultated transformations for nodes
      std::map<const aiNode*, aiMatrix4x4> trafos;
  
      /// map to all meshed of nodes
      typedef std::multimap<const aiNode*, unsigned int> MeshesByNodeMap;
      MeshesByNodeMap meshes;
  
  };
  
  }
  
  #endif // !! AI_STEPEXPORTER_H_INC
  