/*
 *                 [[ Frozen-Bubble ]]
 *
 * Copyright (c) 2000-2007 Guillaume Cottenceau.
 * Java sourcecode - Copyright (c) 2007 Glenn Sanson.
 *
 * This code is distributed under the GNU General Public License 
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2, as published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *
 * Artwork:
 *    Alexis Younes <73lab at free.fr>
 *      (everything but the bubbles)
 *    Amaury Amblard-Ladurantie <amaury at linuxfr.org>
 *      (the bubbles)
 *
 * Soundtrack:
 *    Matthias Le Bidan <matthias.le_bidan at caramail.com>
 *      (the three musics and all the sound effects)
 *
 * Design & Programming:
 *    Guillaume Cottenceau <guillaume.cottenceau at free.fr>
 *      (design and manage the project, whole Perl sourcecode)
 *
 * JavaScript version:
 *    Glenn Sanson <glenn.sanson at free.fr>
 *      (whole JavaScript sourcecode, including JIGA classes 
 *             http://glenn.sanson.free.fr/v2/?select=jiga )
 *
 *     [[ http://glenn.sanson.free.fr/v2/?select=fb_js ]]
 *          [[ http://www.frozen-bubble.org/   ]]
 */
var chainRan=0;
var uri = 'http://linuxmade.com/fbs/fb_js/';
var start;
function fb(_div) {
	if(BrowserDetect.browser == 'Safari'){
		var div = document.getElementById(_div);
		div.style.webkitTouchCallout = 'none';
		div.style.webkitTabHighlightColor = 'rgba(0,0,0,0)';
		div.style.webkitUserSelect = 'none';
		div.style.webkitTextSizeAdjust = 'none';
		div = null;
	}
	if(typeof IntroScreen == 'function'){
		clearTimeout(start);
	}
	else{
		include('IntroScreen.js','intro');
		include('HighScoresScreen.js','highscores');
		start = window.setTimeout(function(){fb('fb')},1000);
	}
	//include('OptionsScreen.js','options');
	// Adds key listener
	addKeyListener();
	new Game(_div, 640, 480);
	currentGame.registerScreen('intro', new IntroScreen());
	currentGame.registerScreen('scores', new HighscoresScreen());
	currentGame.setLoader(new LoadManager());
	currentGame.start('intro');
	currentGame.bgMusic = new Audio();
	currentGame.maxsndChan = 8;
	currentGame.prepSndChan();
}
var ext;
var mext;
switch(BrowserDetect.browser){
		case 'Chrome':
			mext = 'ogg';
			ext = 'ogg';
		break;
		case 'Safari':
			mext = 'm4a';
			ext = 'm4a';
		break;
		case 'Firefox':
			mext = 'ogg';
			ext = 'wav';
		break;
		default:
			mext = 'mp3';
			ext = 'wav';
		break;
}

function LoadManager() {
	this.show = show;
	this.hide = hide;
	this.refresh = refresh;

	var loading = new Image();
	loading.src = 'content_fb/gfx/loading.png';

	var blank = new Image();
	blank.src = 'content_fb/gfx/blank.png';

	var loadingSprite;
	var blankSprite;
	var loadingText;

	function show() {
		loadingSprite = new Sprite(201, 170, 'content_fb/gfx/loading.png', 1);
		blankSprite = new Sprite(220, 252, 'content_fb/gfx/blank.png', 2);
		if (currentGame) {
			loadingText = new TextSprite(0, 0, currentGame.getPreloadItem(), 'Arial', 10, '#000000', 1);
		}
	}

	function hide() {
		loadingSprite.remove();
		blankSprite.remove();
		loadingText.remove();
	}

	function refresh(_cached, _toCache) {
		blankSprite.setSize(Math.floor(199 * _cached / (_cached + _toCache)), 20);

		if (currentGame) {
			loadingText.setText(currentGame.getPreloadItem());
		}
	}
}
function include(_file, _id){
	var head = document.getElementsByTagName('head').item(0);
	var script = document.createElement('script');
	script.src = './content_fb/scripts/'+_file;
	script.type = 'text/javascript';
	script.defer = true;
	script.id = _id;
	head.appendChild(script);
}
function includeRemote(_uri, _id){
	var head = document.getElementsByTagName('head').item(0);
	var script = document.createElement('script');
	script.src = _uri;
	script.type = 'text/javascript';
	script.defer = true;
	script.id = _id;
	head.appendChild(script);
}
function remove(_id){
	var head = document.getElementsByTagName('head').item(0);
	var old = document.getElementById(_id);
	if (old) head.removeChild(old);
}


document.getElementsByClassName = function(cl) {
	var retnode = [];
	var myclass = new RegExp('\\b'+cl+'\\b');
	var elem = this.getElementsByTagName('*');
	for (var i = 0; i < elem.length; i++) {
	var classes = elem[i].className;
	if (myclass.test(classes)) retnode.push(elem[i]);
	}
	return retnode;
};
function clone(object) {
  var newObj = (object instanceof Array) ? [] : {};
  for (i in object) {
    if (i == 'clone') continue;
    if (object[i] && typeof object[i] == "object") {
      newObj[i] = clone(object[i]);
    } else newObj[i] = object[i]
  } return newObj;
};
var Base64 = {
 
	// private property
	_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
 
	// public method for encoding
	encode : function (input) {
		var output = "";
		var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
		var i = 0;
 
		input = Base64._utf8_encode(input);
 
		while (i < input.length) {
 
			chr1 = input.charCodeAt(i++);
			chr2 = input.charCodeAt(i++);
			chr3 = input.charCodeAt(i++);
 
			enc1 = chr1 >> 2;
			enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
			enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
			enc4 = chr3 & 63;
 
			if (isNaN(chr2)) {
				enc3 = enc4 = 64;
			} else if (isNaN(chr3)) {
				enc4 = 64;
			}
 
			output = output +
			this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
			this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);
 
		}
 
		return output;
	},
 
	// public method for decoding
	decode : function (input) {
		var output = "";
		var chr1, chr2, chr3;
		var enc1, enc2, enc3, enc4;
		var i = 0;
 
		input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
 
		while (i < input.length) {
 
			enc1 = this._keyStr.indexOf(input.charAt(i++));
			enc2 = this._keyStr.indexOf(input.charAt(i++));
			enc3 = this._keyStr.indexOf(input.charAt(i++));
			enc4 = this._keyStr.indexOf(input.charAt(i++));
 
			chr1 = (enc1 << 2) | (enc2 >> 4);
			chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
			chr3 = ((enc3 & 3) << 6) | enc4;
 
			output = output + String.fromCharCode(chr1);
 
			if (enc3 != 64) {
				output = output + String.fromCharCode(chr2);
			}
			if (enc4 != 64) {
				output = output + String.fromCharCode(chr3);
			}
 
		}
 
		output = Base64._utf8_decode(output);
 
		return output;
 
	},
 
	// private method for UTF-8 encoding
	_utf8_encode : function (string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";
 
		for (var n = 0; n < string.length; n++) {
 
			var c = string.charCodeAt(n);
 
			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}
 
		}
 
		return utftext;
	},
 
	// private method for UTF-8 decoding
	_utf8_decode : function (utftext) {
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;
 
		while ( i < utftext.length ) {
 
			c = utftext.charCodeAt(i);
 
			if (c < 128) {
				string += String.fromCharCode(c);
				i++;
			}
			else if((c > 191) && (c < 224)) {
				c2 = utftext.charCodeAt(i+1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			}
			else {
				c2 = utftext.charCodeAt(i+1);
				c3 = utftext.charCodeAt(i+2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}
 
		}
 
		return string;
	}
 
}