/**
 * @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