1 /*

     2  * serialize.cc: object serialization functions

     3  *

     4  * This file is part of Pyrit Ray Tracer.

     5  *

     6  * Copyright 2008  Radek Brich

     7  *

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

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

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

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

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

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

    14  *

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

    16  * all copies or substantial portions of the Software.

    17  *

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

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

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

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

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

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

    24  * THE SOFTWARE.

    25  */

    26 

    27 #include "serialize.h"

    28 #include <string>

    29 #include <sstream>

    30 

    31 Indexer vertex_index, shape_index;

    32 

    33 void resetSerializer()

    34 {

    35 	vertex_index.reset();

    36 	shape_index.reset();

    37 }

    38 

    39 bool Indexer::get(void *o, int &retidx)

    40 {

    41 	map <void *, int>::iterator i;

    42 	i = indexmap.find(o);

    43 	if (i == indexmap.end())

    44 	{

    45 		retidx = index++;

    46 		indexmap[o] = retidx;

    47 		return false;

    48 	}

    49 	else

    50 	{

    51 		retidx = i->second;

    52 		return true;

    53 	}

    54 }

    55 

    56 Shape *loadShape(istream &st)

    57 {

    58 	string s;

    59 	istringstream is;

    60 	getline(st, s, ',');

    61 	trim(s);

    62 	if (s.compare("(box") == 0)

    63 	{

    64 		Vector3 L,H;

    65 		st >> L;

    66 		getline(st, s, ',');

    67 		st >> H;

    68 		getline(st, s, ')');

    69 		return new Box(L, H, new Material(Colour(1,1,1)));

    70 	}

    71 	if (s.compare("(sphere") == 0)

    72 	{

    73 		Vector3 center;

    74 		Float radius;

    75 		st >> center;

    76 		getline(st, s, ',');

    77 		st >> radius;

    78 		getline(st, s, ')');

    79 		return new Sphere(center, radius, new Material(Colour(1,1,1)));

    80 	}

    81 	return NULL;

    82 }

    83 

    84 ostream & operator<<(ostream &st, Shape &o)

    85 {

    86 	return o.dump(st);

    87 }

    88 

    89 ostream & operator<<(ostream &st, Vertex &o)

    90 {

    91 	return o.dump(st);

    92 }

    93 

    94 ostream & operator<<(ostream &st, Container &o)

    95 {

    96 	return o.dump(st);

    97 }