/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------

Copyright (c) 2006-2020, 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 PlyExporter.h
 * Declares the exporter class to write a scene to a Polygon Library (ply)
 */
#ifndef AI_PLYEXPORTER_H_INC
#define AI_PLYEXPORTER_H_INC

#include <sstream>

struct aiScene;
struct aiNode;
struct aiMesh;

namespace Assimp {

// ------------------------------------------------------------------------------------------------
/** Helper class to export a given scene to a Stanford Ply file. */
// ------------------------------------------------------------------------------------------------
class PlyExporter {
public:
    /// The class constructor for a specific scene to export
    PlyExporter(const char* filename, const aiScene* pScene, bool binary = false);
    /// The class destructor, empty.
    ~PlyExporter();

public:
    /// public string-streams to write all output into:
    std::ostringstream mOutput;

private:
    void WriteMeshVerts(const aiMesh* m, unsigned int components);
    void WriteMeshIndices(const aiMesh* m, unsigned int ofs);
    void WriteMeshVertsBinary(const aiMesh* m, unsigned int components);
    void WriteMeshIndicesBinary(const aiMesh* m, unsigned int offset);

private:
    const std::string filename;  // tHE FILENAME
    const std::string endl;      // obviously, this endl() doesn't flush() the stream

private:
    PlyExporter( const PlyExporter & );
    PlyExporter &operator = ( const PlyExporter & );
};

} // Namespace Assimp

#endif // AI_PLYEXPORTER_H_INC
