/**

 * @file  serialize.h

 * @brief Object serialization functions

 *

 * This file is part of Pyrit Ray Tracer.

 *

 * Copyright 2008  Radek Brich

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * in the Software without restriction, including without limitation the rights

 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

 * copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

 * THE SOFTWARE.

 */

#ifndef SERIALIZE_H

#define SERIALIZE_H

#include <map>

#include "shapes.h"

#include "container.h"

#include "kdtree.h"

/**

 * Maps pointers to indices

 *

 * This helps when we are saving objects from random memory places

 * to file stream

 */

class Indexer

{

	map <const void *, int> indexmap;

	int index;

public:

	Indexer(): indexmap(), index(0) {};

	void reset() { indexmap.clear(); index = 0; };

	/**

	 * Make new index or return number of already indexed object

	 * @param[in] o        object for indexation

	 * @param[out] retidx  returned index

	 * @retval true        if object was found

	 * @retval false       if new index was made for the object

	 */

	bool get(const void *o, int &retidx);

	const int &operator[](const void *o) { return indexmap[o]; };

};

extern Indexer vertex_index, shape_index;

void resetSerializer();

Shape *loadShape(istream &st, Material *mat);

ostream & operator<<(ostream &st, const Shape &o);

ostream & operator<<(ostream &st, const Vertex &o);

ostream & operator<<(ostream &st, const Container &o);

#endif