5LZhaSD9

1//=============================================================================
2// rpg_core.js v1.6.2
3//=============================================================================
4
5//-----------------------------------------------------------------------------
6/**
7 * This is not a class, but contains some methods that will be added to the
8 * standard Javascript objects.
9 *
10 * @class JsExtensions
11 */
12function JsExtensions() {
13    throw new Error('This is not a class');
14}
15
16/**
17 * Returns a number whose value is limited to the given range.
18 *
19 * @method Number.prototype.clamp
20 * @param {Number} min The lower boundary
21 * @param {Number} max The upper boundary
22 * @return {Number} A number in the range (min, max)
23 */
24Number.prototype.clamp = function(min, max) {
25    return Math.min(Math.max(this, min), max);
26};
27
28/**
29 * Returns a modulo value which is always positive.
30 *
31 * @method Number.prototype.mod
32 * @param {Number} n The divisor
33 * @return {Number} A modulo value
34 */
35Number.prototype.mod = function(n) {
36    return ((this % n) + n) % n;
37};
38
39/**
40 * Replaces %1, %2 and so on in the string to the arguments.
41 *
42 * @method String.prototype.format
43 * @param {Any} ...args The objects to format
44 * @return {String} A formatted string
45 */
46String.prototype.format = function() {
47    var args = arguments;
48    return this.replace(/%([0-9]+)/g, function(s, n) {
49        return args[Number(n) - 1];
50    });
51};
52
53/**
54 * Makes a number string with leading zeros.
55 *
56 * @method String.prototype.padZero
57 * @param {Number} length The length of the output string
58 * @return {String} A string with leading zeros
59 */
60String.prototype.padZero = function(length){
61    var s = this;
62    while (s.length < length) {
63        s = '0' + s;
64    }
65    return s;
66};
67
68/**
69 * Makes a number string with leading zeros.
70 *
71 * @method Number.prototype.padZero
72 * @param {Number} length The length of the output string
73 * @return {String} A string with leading zeros
74 */
75Number.prototype.padZero = function(length){
76    return String(this).padZero(length);
77};
78
79Object.defineProperties(Array.prototype, {
80    /**
81     * Checks whether the two arrays are same.
82     *
83     * @method Array.prototype.equals
84     * @param {Array} array The array to compare to
85     * @return {Boolean} True if the two arrays are same
86     */
87    equals: {
88        enumerable: false,
89        value: function(array) {
90            if (!array || this.length !== array.length) {
91                return false;
92            }
93            for (var i = 0; i < this.length; i++) {
94                if (this[i] instanceof Array && array[i] instanceof Array) {
95                    if (!this[i].equals(array[i])) {
96                        return false;
97                    }
98                } else if (this[i] !== array[i]) {
99                    return false;
100                }
101            }
102            return true;
103        }
104    },
105    /**
106     * Makes a shallow copy of the array.
107     *
108     * @method Array.prototype.clone
109     * @return {Array} A shallow copy of the array
110     */
111    clone: {
112        enumerable: false,
113        value: function() {
114            return this.slice(0);
115        }
116    },
117    /**
118     * Checks whether the array contains a given element.
119     *
120     * @method Array.prototype.contains
121     * @param {Any} element The element to search for
122     * @return {Boolean} True if the array contains a given element
123     */
124    contains : {
125        enumerable: false,
126        value: function(element) {
127            return this.indexOf(element) >= 0;
128        }
129    }
130});
131
132/**
133 * Checks whether the string contains a given string.
134 *
135 * @method String.prototype.contains
136 * @param {String} string The string to search for
137 * @return {Boolean} True if the string contains a given string
138 */
139String.prototype.contains = function(string) {
140    return this.indexOf(string) >= 0;
141};
142
143/**
144 * Generates a random integer in the range (0, max-1).
145 *
146 * @static
147 * @method Math.randomInt
148 * @param {Number} max The upper boundary (excluded)
149 * @return {Number} A random integer
150 */
151Math.randomInt = function(max) {
152    return Math.floor(max * Math.random());
153};
154
155//-----------------------------------------------------------------------------
156/**
157 * The static class that defines utility methods.
158 *
159 * @class Utils
160 */
161function Utils() {
162    throw new Error('This is a static class');
163}
164
165/**
166 * The name of the RPG Maker. 'MV' in the current version.
167 *
168 * @static
169 * @property RPGMAKER_NAME
170 * @type String
171 * @final
172 */
173Utils.RPGMAKER_NAME = 'MV';
174
175/**
176 * The version of the RPG Maker.
177 *
178 * @static
179 * @property RPGMAKER_VERSION
180 * @type String
181 * @final
182 */
183Utils.RPGMAKER_VERSION = "1.6.1";
184
185/**
186 * Checks whether the option is in the query string.
187 *
188 * @static
189 * @method isOptionValid
190 * @param {String} name The option name
191 * @return {Boolean} True if the option is in the query string
192 */
193Utils.isOptionValid = function(name) {
194    if (location.search.slice(1).split('&').contains(name)) {return 1;};
195    if (typeof nw !== "undefined" && nw.App.argv.length > 0 && nw.App.argv[0].split('&').contains(name)) {return 1;};
196    return 0;
197};
198
199/**
200 * Checks whether the platform is NW.js.
201 *
202 * @static
203 * @method isNwjs
204 * @return {Boolean} True if the platform is NW.js
205 */
206Utils.isNwjs = function() {
207    return typeof require === 'function' && typeof process === 'object';
208};
209
210/**
211 * Checks whether the platform is a mobile device.
212 *
213 * @static
214 * @method isMobileDevice
215 * @return {Boolean} True if the platform is a mobile device
216 */
217Utils.isMobileDevice = function() {
218    var r = /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i;
219    return !!navigator.userAgent.match(r);
220};
221
222/**
223 * Checks whether the browser is Mobile Safari.
224 *
225 * @static
226 * @method isMobileSafari
227 * @return {Boolean} True if the browser is Mobile Safari
228 */
229Utils.isMobileSafari = function() {
230    var agent = navigator.userAgent;
231    return !!(agent.match(/iPhone|iPad|iPod/) && agent.match(/AppleWebKit/) &&
232              !agent.match('CriOS'));
233};
234
235/**
236 * Checks whether the browser is Android Chrome.
237 *
238 * @static
239 * @method isAndroidChrome
240 * @return {Boolean} True if the browser is Android Chrome
241 */
242Utils.isAndroidChrome = function() {
243    var agent = navigator.userAgent;
244    return !!(agent.match(/Android/) && agent.match(/Chrome/));
245};
246
247/**
248 * Checks whether the browser can read files in the game folder.
249 *
250 * @static
251 * @method canReadGameFiles
252 * @return {Boolean} True if the browser can read files in the game folder
253 */
254Utils.canReadGameFiles = function() {
255    var scripts = document.getElementsByTagName('script');
256    var lastScript = scripts[scripts.length - 1];
257    var xhr = new XMLHttpRequest();
258    try {
259        xhr.open('GET', lastScript.src);
260        xhr.overrideMimeType('text/javascript');
261        xhr.send();
262        return true;
263    } catch (e) {
264        return false;
265    }
266};
267
268/**
269 * Makes a CSS color string from RGB values.
270 *
271 * @static
272 * @method rgbToCssColor
273 * @param {Number} r The red value in the range (0, 255)
274 * @param {Number} g The green value in the range (0, 255)
275 * @param {Number} b The blue value in the range (0, 255)
276 * @return {String} CSS color string
277 */
278Utils.rgbToCssColor = function(r, g, b) {
279    r = Math.round(r);
280    g = Math.round(g);
281    b = Math.round(b);
282    return 'rgb(' + r + ',' + g + ',' + b + ')';
283};
284
285Utils._id = 1;
286Utils.generateRuntimeId = function(){
287    return Utils._id++;
288};
289
290Utils._supportPassiveEvent = null;
291/**
292 * Test this browser support passive event feature
293 * 
294 * @static
295 * @method isSupportPassiveEvent
296 * @return {Boolean} this browser support passive event or not
297 */
298Utils.isSupportPassiveEvent = function() {
299    if (typeof Utils._supportPassiveEvent === "boolean") {
300        return Utils._supportPassiveEvent;
301    }
302    // test support passive event
303    // https://github.com/WICG/EventListenerOptions/blob/gh-pages/explainer.md#feature-detection
304    var passive = false;
305    var options = Object.defineProperty({}, "passive", {
306        get: function() { passive = true; }
307    });
308    window.addEventListener("test", null, options);
309    Utils._supportPassiveEvent = passive;
310    return passive;
311}
312
313//-----------------------------------------------------------------------------
314/**
315 * The resource class. Allows to be collected as a garbage if not use for some time or ticks
316 *
317 * @class CacheEntry
318 * @constructor
319 * @param {ResourceManager} resource manager
320 * @param {string} key, url of the resource
321 * @param {string} item - Bitmap, HTML5Audio, WebAudio - whatever you want to store in the cache
322 */
323function CacheEntry(cache, key, item) {
324    this.cache = cache;
325    this.key = key;
326    this.item = item;
327    this.cached = false;
328    this.touchTicks = 0;
329    this.touchSeconds = 0;
330    this.ttlTicks = 0;
331    this.ttlSeconds = 0;
332    this.freedByTTL = false;
333}
334
335/**
336 * frees the resource
337 */
338CacheEntry.prototype.free = function (byTTL) {
339    this.freedByTTL = byTTL || false;
340    if (this.cached) {
341        this.cached = false;
342        delete this.cache._inner[this.key];
343    }
344};
345
346/**
347 * Allocates the resource
348 * @returns {CacheEntry}
349 */
350CacheEntry.prototype.allocate = function () {
351    if (!this.cached) {
352        this.cache._inner[this.key] = this;
353        this.cached = true;
354    }
355    this.touch();
356    return this;
357};
358
359/**
360 * Sets the time to live
361 * @param {number} ticks TTL in ticks, 0 if not set
362 * @param {number} time TTL in seconds, 0 if not set
363 * @returns {CacheEntry}
364 */
365CacheEntry.prototype.setTimeToLive = function (ticks, seconds) {
366    this.ttlTicks = ticks || 0;
367    this.ttlSeconds = seconds || 0;
368    return this;
369};
370
371CacheEntry.prototype.isStillAlive = function () {
372    var cache = this.cache;
373    return ((this.ttlTicks == 0) || (this.touchTicks + this.ttlTicks < cache.updateTicks )) &&
374        ((this.ttlSeconds == 0) || (this.touchSeconds + this.ttlSeconds < cache.updateSeconds ));
375};
376
377/**
378 * makes sure that resource wont freed by Time To Live
379 * if resource was already freed by TTL, put it in cache again
380 */
381CacheEntry.prototype.touch = function () {
382    var cache = this.cache;
383    if (this.cached) {
384        this.touchTicks = cache.updateTicks;
385        this.touchSeconds = cache.updateSeconds;
386    } else if (this.freedByTTL) {
387        this.freedByTTL = false;
388        if (!cache._inner[this.key]) {
389            cache._inner[this.key] = this;
390        }
391    }
392};
393
394/**
395 * Cache for images, audio, or any other kind of resource
396 * @param manager
397 * @constructor
398 */
399function CacheMap(manager) {
400    this.manager = manager;
401    this._inner = {};
402    this._lastRemovedEntries = {};
403    this.updateTicks = 0;
404    this.lastCheckTTL = 0;
405    this.delayCheckTTL = 100.0;
406    this.updateSeconds = Date.now();
407}
408
409/**
410 * checks ttl of all elements and removes dead ones
411 */
412CacheMap.prototype.checkTTL = function () {
413    var cache = this._inner;
414    var temp = this._lastRemovedEntries;
415    if (!temp) {
416        temp = [];
417        this._lastRemovedEntries = temp;
418    }
419    for (var key in cache) {
420        var entry = cache[key];
421        if (!entry.isStillAlive()) {
422            temp.push(entry);
423        }
424    }
425    for (var i = 0; i < temp.length; i++) {
426        temp[i].free(true);
427    }
428    temp.length = 0;
429};
430
431/**
432 * cache item
433 * @param key url of cache element
434 * @returns {*|null}
435 */
436CacheMap.prototype.getItem = function (key) {
437    var entry = this._inner[key];
438    if (entry) {
439        return entry.item;
440    }
441    return null;
442};
443
444CacheMap.prototype.clear = function () {
445    var keys = Object.keys(this._inner);
446    for (var i = 0; i < keys.length; i++) {
447        this._inner[keys[i]].free();
448    }
449};
450
451CacheMap.prototype.setItem = function (key, item) {
452    return new CacheEntry(this, key, item).allocate();
453};
454
455CacheMap.prototype.update = function(ticks, delta) {
456    this.updateTicks += ticks;
457    this.updateSeconds += delta;
458    if (this.updateSeconds >= this.delayCheckTTL + this.lastCheckTTL) {
459        this.lastCheckTTL = this.updateSeconds;
460        this.checkTTL();
461    }
462};
463
464function ImageCache(){
465    this.initialize.apply(this, arguments);
466}
467
468ImageCache.limit = 10 * 1000 * 1000;
469
470ImageCache.prototype.initialize = function(){
471    this._items = {};
472};
473
474ImageCache.prototype.add = function(key, value){
475    this._items[key] = {
476        bitmap: value,
477        touch: Date.now(),
478        key: key
479    };
480
481    this._truncateCache();
482};
483
484ImageCache.prototype.get = function(key){
485    if(this._items[key]){
486        var item = this._items[key];
487        item.touch = Date.now();
488        return item.bitmap;
489    }
490
491    return null;
492};
493
494ImageCache.prototype.reserve = function(key, value, reservationId){
495    if(!this._items[key]){
496        this._items[key] = {
497            bitmap: value,
498            touch: Date.now(),
499            key: key
500        };
501    }
502
503    this._items[key].reservationId = reservationId;
504};
505
506ImageCache.prototype.releaseReservation = function(reservationId){
507    var items = this._items;
508
509    Object.keys(items)
510        .map(function(key){return items[key];})
511        .forEach(function(item){
512            if(item.reservationId === reservationId){
513                delete item.reservationId;
514            }
515        });
516};
517
518ImageCache.prototype._truncateCache = function(){
519    var items = this._items;
520    var sizeLeft = ImageCache.limit;
521
522    Object.keys(items).map(function(key){
523        return items[key];
524    }).sort(function(a, b){
525        return b.touch - a.touch;
526    }).forEach(function(item){
527        if(sizeLeft > 0 || this._mustBeHeld(item)){
528            var bitmap = item.bitmap;
529            sizeLeft -= bitmap.width * bitmap.height;
530        }else{
531            delete items[item.key];
532        }
533    }.bind(this));
534};
535
536ImageCache.prototype._mustBeHeld = function(item){
537    // request only is weak so It's purgeable
538    if(item.bitmap.isRequestOnly()) return false;
539    // reserved item must be held
540    if(item.reservationId) return true;
541    // not ready bitmap must be held (because of checking isReady())
542    if(!item.bitmap.isReady()) return true;
543    // then the item may purgeable
544    return false;
545};
546
547ImageCache.prototype.isReady = function(){
548    var items = this._items;
549    return !Object.keys(items).some(function(key){
550        return !items[key].bitmap.isRequestOnly() && !items[key].bitmap.isReady();
551    });
552};
553
554ImageCache.prototype.getErrorBitmap = function(){
555    var items = this._items;
556    var bitmap = null;
557    if(Object.keys(items).some(function(key){
558            if(items[key].bitmap.isError()){
559                bitmap = items[key].bitmap;
560                return true;
561            }
562            return false;
563        })) {
564        return bitmap;
565    }
566
567    return null;
568};
569function RequestQueue(){
570    this.initialize.apply(this, arguments);
571}
572
573RequestQueue.prototype.initialize = function(){
574    this._queue = [];
575};
576
577RequestQueue.prototype.enqueue = function(key, value){
578    this._queue.push({
579        key: key,
580        value: value,
581    });
582};
583
584RequestQueue.prototype.update = function(){
585    if(this._queue.length === 0) return;
586
587    var top = this._queue[0];
588    if(top.value.isRequestReady()){
589        this._queue.shift();
590        if(this._queue.length !== 0){
591            this._queue[0].value.startRequest();
592        }
593    }else{
594        top.value.startRequest();
595    }
596};
597
598RequestQueue.prototype.raisePriority = function(key){
599    for(var n = 0; n < this._queue.length; n++){
600        var item = this._queue[n];
601        if(item.key === key){
602            this._queue.splice(n, 1);
603            this._queue.unshift(item);
604            break;
605        }
606    }
607};
608
609RequestQueue.prototype.clear = function(){
610    this._queue.splice(0);
611};
612//-----------------------------------------------------------------------------
613/**
614 * The point class.
615 *
616 * @class Point
617 * @constructor
618 * @param {Number} x The x coordinate
619 * @param {Number} y The y coordinate
620 */
621function Point() {
622    this.initialize.apply(this, arguments);
623}
624
625Point.prototype = Object.create(PIXI.Point.prototype);
626Point.prototype.constructor = Point;
627
628Point.prototype.initialize = function(x, y) {
629    PIXI.Point.call(this, x, y);
630};
631
632/**
633 * The x coordinate.
634 *
635 * @property x
636 * @type Number
637 */
638
639/**
640 * The y coordinate.
641 *
642 * @property y
643 * @type Number
644 */
645
646//-----------------------------------------------------------------------------
647/**
648 * The rectangle class.
649 *
650 * @class Rectangle
651 * @constructor
652 * @param {Number} x The x coordinate for the upper-left corner
653 * @param {Number} y The y coordinate for the upper-left corner
654 * @param {Number} width The width of the rectangle
655 * @param {Number} height The height of the rectangle
656 */
657function Rectangle() {
658    this.initialize.apply(this, arguments);
659}
660
661Rectangle.prototype = Object.create(PIXI.Rectangle.prototype);
662Rectangle.prototype.constructor = Rectangle;
663
664Rectangle.prototype.initialize = function(x, y, width, height) {
665    PIXI.Rectangle.call(this, x, y, width, height);
666};
667
668/**
669 * @static
670 * @property emptyRectangle
671 * @type Rectangle
672 * @private
673 */
674Rectangle.emptyRectangle = new Rectangle(0, 0, 0, 0);
675
676/**
677 * The x coordinate for the upper-left corner.
678 *
679 * @property x
680 * @type Number
681 */
682
683/**
684 * The y coordinate for the upper-left corner.
685 *
686 * @property y
687 * @type Number
688 */
689
690/**
691 * The width of the rectangle.
692 *
693 * @property width
694 * @type Number
695 */
696
697/**
698 * The height of the rectangle.
699 *
700 * @property height
701 * @type Number
702 */
703
704//-----------------------------------------------------------------------------
705/**
706 * The basic object that represents an image.
707 *
708 * @class Bitmap
709 * @constructor
710 * @param {Number} width The width of the bitmap
711 * @param {Number} height The height of the bitmap
712 */
713function Bitmap() {
714    this.initialize.apply(this, arguments);
715}
716
717//for iOS. img consumes memory. so reuse it.
718Bitmap._reuseImages = [];
719
720
721/**
722 * Bitmap states(Bitmap._loadingState):
723 *
724 * none:
725 * Empty Bitmap
726 *
727 * pending:
728 * Url requested, but pending to load until startRequest called
729 *
730 * purged:
731 * Url request completed and purged.
732 *
733 * requesting:
734 * Requesting supplied URI now.
735 *
736 * requestCompleted:
737 * Request completed
738 *
739 * decrypting:
740 * requesting encrypted data from supplied URI or decrypting it.
741 *
742 * decryptCompleted:
743 * Decrypt completed
744 *
745 * loaded:
746 * loaded. isReady() === true, so It's usable.
747 *
748 * error:
749 * error occurred
750 *
751 */
752
753
754Bitmap.prototype._createCanvas = function(width, height){
755    this.__canvas = this.__canvas || document.createElement('canvas');
756    this.__context = this.__canvas.getContext('2d');
757
758    this.__canvas.width = Math.max(width || 0, 1);
759    this.__canvas.height = Math.max(height || 0, 1);
760
761    if(this._image){
762        var w = Math.max(this._image.width || 0, 1);
763        var h = Math.max(this._image.height || 0, 1);
764        this.__canvas.width = w;
765        this.__canvas.height = h;
766        this._createBaseTexture(this._canvas);
767
768        this.__context.drawImage(this._image, 0, 0);
769    }
770
771    this._setDirty();
772};
773
774Bitmap.prototype._createBaseTexture = function(source){
775    this.__baseTexture = new PIXI.BaseTexture(source);
776    this.__baseTexture.mipmap = false;
777    this.__baseTexture.width = source.width;
778    this.__baseTexture.height = source.height;
779
780    if (this._smooth) {
781        this._baseTexture.scaleMode = PIXI.SCALE_MODES.LINEAR;
782    } else {
783        this._baseTexture.scaleMode = PIXI.SCALE_MODES.NEAREST;
784    }
785};
786
787Bitmap.prototype._clearImgInstance = function(){
788    this._image.src = "";
789    this._image.onload = null;
790    this._image.onerror = null;
791    this._errorListener = null;
792    this._loadListener = null;
793
794    Bitmap._reuseImages.push(this._image);
795    this._image = null;
796};
797
798//
799//We don't want to waste memory, so creating canvas is deferred.
800//
801Object.defineProperties(Bitmap.prototype, {
802    _canvas: {
803        get: function(){
804            if(!this.__canvas)this._createCanvas();
805            return this.__canvas;
806        }
807    },
808    _context: {
809        get: function(){
810            if(!this.__context)this._createCanvas();
811            return this.__context;
812        }
813    },
814
815    _baseTexture: {
816        get: function(){
817            if(!this.__baseTexture) this._createBaseTexture(this._image || this.__canvas);
818            return this.__baseTexture;
819        }
820    }
821});
822
823Bitmap.prototype._renewCanvas = function(){
824    var newImage = this._image;
825    if(newImage && this.__canvas && (this.__canvas.width < newImage.width || this.__canvas.height < newImage.height)){
826        this._createCanvas();
827    }
828};
829
830Bitmap.prototype.initialize = function(width, height) {
831    if(!this._defer){
832        this._createCanvas(width, height);
833    }
834
835    this._image = null;
836    this._url = '';
837    this._paintOpacity = 255;
838    this._smooth = false;
839    this._loadListeners = [];
840    this._loadingState = 'none';
841    this._decodeAfterRequest = false;
842
843    /**
844     * Cache entry, for images. In all cases _url is the same as cacheEntry.key
845     * @type CacheEntry
846     */
847    this.cacheEntry = null;
848
849    /**
850     * The face name of the font.
851     *
852     * @property fontFace
853     * @type String
854     */
855    this.fontFace = 'GameFont';
856
857    /**
858     * The size of the font in pixels.
859     *
860     * @property fontSize
861     * @type Number
862     */
863    this.fontSize = 28;
864
865    /**
866     * Whether the font is italic.
867     *
868     * @property fontItalic
869     * @type Boolean
870     */
871    this.fontItalic = false;
872
873    /**
874     * The color of the text in CSS format.
875     *
876     * @property textColor
877     * @type String
878     */
879    this.textColor = '#ffffff';
880
881    /**
882     * The color of the outline of the text in CSS format.
883     *
884     * @property outlineColor
885     * @type String
886     */
887    this.outlineColor = 'rgba(0, 0, 0, 0.5)';
888
889    /**
890     * The width of the outline of the text.
891     *
892     * @property outlineWidth
893     * @type Number
894     */
895    this.outlineWidth = 4;
896};
897
898/**
899 * Loads a image file and returns a new bitmap object.
900 *
901 * @static
902 * @method load
903 * @param {String} url The image url of the texture
904 * @return Bitmap
905 */
906Bitmap.load = function(url) {
907    var bitmap = Object.create(Bitmap.prototype);
908    bitmap._defer = true;
909    bitmap.initialize();
910
911    bitmap._decodeAfterRequest = true;
912    bitmap._requestImage(url);
913
914    return bitmap;
915};
916
917/**
918 * Takes a snapshot of the game screen and returns a new bitmap object.
919 *
920 * @static
921 * @method snap
922 * @param {Stage} stage The stage object
923 * @return Bitmap
924 */
925Bitmap.snap = function(stage) {
926    var width = Graphics.width;
927    var height = Graphics.height;
928    var bitmap = new Bitmap(width, height);
929    var context = bitmap._context;
930    var renderTexture = PIXI.RenderTexture.create(width, height);
931    if (stage) {
932        Graphics._renderer.render(stage, renderTexture);
933        stage.worldTransform.identity();
934        var canvas = null;
935        if (Graphics.isWebGL()) {
936            canvas = Graphics._renderer.extract.canvas(renderTexture);
937        } else {
938            canvas = renderTexture.baseTexture._canvasRenderTarget.canvas;
939        }
940        context.drawImage(canvas, 0, 0);
941    } else {
942
943    }
944    renderTexture.destroy({ destroyBase: true });
945    bitmap._setDirty();
946    return bitmap;
947};
948
949/**
950 * Checks whether the bitmap is ready to render.
951 *
952 * @method isReady
953 * @return {Boolean} True if the bitmap is ready to render
954 */
955Bitmap.prototype.isReady = function() {
956    return this._loadingState === 'loaded' || this._loadingState === 'none';
957};
958
959/**
960 * Checks whether a loading error has occurred.
961 *
962 * @method isError
963 * @return {Boolean} True if a loading error has occurred
964 */
965Bitmap.prototype.isError = function() {
966    return this._loadingState === 'error';
967};
968
969/**
970 * touch the resource
971 * @method touch
972 */
973Bitmap.prototype.touch = function() {
974    if (this.cacheEntry) {
975        this.cacheEntry.touch();
976    }
977};
978
979/**
980 * [read-only] The url of the image file.
981 *
982 * @property url
983 * @type String
984 */
985Object.defineProperty(Bitmap.prototype, 'url', {
986    get: function() {
987        return this._url;
988    },
989    configurable: true
990});
991
992/**
993 * [read-only] The base texture that holds the image.
994 *
995 * @property baseTexture
996 * @type PIXI.BaseTexture
997 */
998Object.defineProperty(Bitmap.prototype, 'baseTexture', {
999    get: function() {
1000        return this._baseTexture;
1001    },
1002    configurable: true
1003});
1004
1005/**
1006 * [read-only] The bitmap canvas.
1007 *
1008 * @property canvas
1009 * @type HTMLCanvasElement
1010 */
1011Object.defineProperty(Bitmap.prototype, 'canvas', {
1012    get: function() {
1013        return this._canvas;
1014    },
1015    configurable: true
1016});
1017
1018/**
1019 * [read-only] The 2d context of the bitmap canvas.
1020 *
1021 * @property context
1022 * @type CanvasRenderingContext2D
1023 */
1024Object.defineProperty(Bitmap.prototype, 'context', {
1025    get: function() {
1026        return this._context;
1027    },
1028    configurable: true
1029});
1030
1031/**
1032 * [read-only] The width of the bitmap.
1033 *
1034 * @property width
1035 * @type Number
1036 */
1037Object.defineProperty(Bitmap.prototype, 'width', {
1038    get: function() {
1039        if(this.isReady()){
1040            return this._image? this._image.width: this._canvas.width;
1041        }
1042
1043        return 0;
1044    },
1045    configurable: true
1046});
1047
1048/**
1049 * [read-only] The height of the bitmap.
1050 *
1051 * @property height
1052 * @type Number
1053 */
1054Object.defineProperty(Bitmap.prototype, 'height', {
1055    get: function() {
1056        if(this.isReady()){
1057            return this._image? this._image.height: this._canvas.height;
1058        }
1059
1060        return 0;
1061    },
1062    configurable: true
1063});
1064
1065/**
1066 * [read-only] The rectangle of the bitmap.
1067 *
1068 * @property rect
1069 * @type Rectangle
1070 */
1071Object.defineProperty(Bitmap.prototype, 'rect', {
1072    get: function() {
1073        return new Rectangle(0, 0, this.width, this.height);
1074    },
1075    configurable: true
1076});
1077
1078/**
1079 * Whether the smooth scaling is applied.
1080 *
1081 * @property smooth
1082 * @type Boolean
1083 */
1084Object.defineProperty(Bitmap.prototype, 'smooth', {
1085    get: function() {
1086        return this._smooth;
1087    },
1088    set: function(value) {
1089        if (this._smooth !== value) {
1090            this._smooth = value;
1091            if(this.__baseTexture){
1092                if (this._smooth) {
1093                    this._baseTexture.scaleMode = PIXI.SCALE_MODES.LINEAR;
1094                } else {
1095                    this._baseTexture.scaleMode = PIXI.SCALE_MODES.NEAREST;
1096                }
1097            }
1098        }
1099    },
1100    configurable: true
1101});
1102
1103/**
1104 * The opacity of the drawing object in the range (0, 255).
1105 *
1106 * @property paintOpacity
1107 * @type Number
1108 */
1109Object.defineProperty(Bitmap.prototype, 'paintOpacity', {
1110    get: function() {
1111        return this._paintOpacity;
1112    },
1113    set: function(value) {
1114      if (this._paintOpacity !== value) {
1115          this._paintOpacity = value;
1116          this._context.globalAlpha = this._paintOpacity / 255;
1117      }
1118    },
1119    configurable: true
1120});
1121
1122/**
1123 * Resizes the bitmap.
1124 *
1125 * @method resize
1126 * @param {Number} width The new width of the bitmap
1127 * @param {Number} height The new height of the bitmap
1128 */
1129Bitmap.prototype.resize = function(width, height) {
1130    width = Math.max(width || 0, 1);
1131    height = Math.max(height || 0, 1);
1132    this._canvas.width = width;
1133    this._canvas.height = height;
1134    this._baseTexture.width = width;
1135    this._baseTexture.height = height;
1136};
1137
1138/**
1139 * Performs a block transfer.
1140 *
1141 * @method blt
1142 * @param {Bitmap} source The bitmap to draw
1143 * @param {Number} sx The x coordinate in the source
1144 * @param {Number} sy The y coordinate in the source
1145 * @param {Number} sw The width of the source image
1146 * @param {Number} sh The height of the source image
1147 * @param {Number} dx The x coordinate in the destination
1148 * @param {Number} dy The y coordinate in the destination
1149 * @param {Number} [dw=sw] The width to draw the image in the destination
1150 * @param {Number} [dh=sh] The height to draw the image in the destination
1151 */
1152Bitmap.prototype.blt = function(source, sx, sy, sw, sh, dx, dy, dw, dh) {
1153    dw = dw || sw;
1154    dh = dh || sh;
1155    if (sx >= 0 && sy >= 0 && sw > 0 && sh > 0 && dw > 0 && dh > 0 &&
1156            sx + sw <= source.width && sy + sh <= source.height) {
1157        this._context.globalCompositeOperation = 'source-over';
1158        this._context.drawImage(source._canvas, sx, sy, sw, sh, dx, dy, dw, dh);
1159        this._setDirty();
1160    }
1161};
1162
1163/**
1164 * Performs a block transfer, using assumption that original image was not modified (no hue)
1165 *
1166 * @method blt
1167 * @param {Bitmap} source The bitmap to draw
1168 * @param {Number} sx The x coordinate in the source
1169 * @param {Number} sy The y coordinate in the source
1170 * @param {Number} sw The width of the source image
1171 * @param {Number} sh The height of the source image
1172 * @param {Number} dx The x coordinate in the destination
1173 * @param {Number} dy The y coordinate in the destination
1174 * @param {Number} [dw=sw] The width to draw the image in the destination
1175 * @param {Number} [dh=sh] The height to draw the image in the destination
1176 */
1177Bitmap.prototype.bltImage = function(source, sx, sy, sw, sh, dx, dy, dw, dh) {
1178    dw = dw || sw;
1179    dh = dh || sh;
1180    if (sx >= 0 && sy >= 0 && sw > 0 && sh > 0 && dw > 0 && dh > 0 &&
1181        sx + sw <= source.width && sy + sh <= source.height) {
1182        this._context.globalCompositeOperation = 'source-over';
1183        this._context.drawImage(source._image, sx, sy, sw, sh, dx, dy, dw, dh);
1184        this._setDirty();
1185    }
1186};
1187
1188/**
1189 * Returns pixel color at the specified point.
1190 *
1191 * @method getPixel
1192 * @param {Number} x The x coordinate of the pixel in the bitmap
1193 * @param {Number} y The y coordinate of the pixel in the bitmap
1194 * @return {String} The pixel color (hex format)
1195 */
1196Bitmap.prototype.getPixel = function(x, y) {
1197    var data = this._context.getImageData(x, y, 1, 1).data;
1198    var result = '#';
1199    for (var i = 0; i < 3; i++) {
1200        result += data[i].toString(16).padZero(2);
1201    }
1202    return result;
1203};
1204
1205/**
1206 * Returns alpha pixel value at the specified point.
1207 *
1208 * @method getAlphaPixel
1209 * @param {Number} x The x coordinate of the pixel in the bitmap
1210 * @param {Number} y The y coordinate of the pixel in the bitmap
1211 * @return {String} The alpha value
1212 */
1213Bitmap.prototype.getAlphaPixel = function(x, y) {
1214    var data = this._context.getImageData(x, y, 1, 1).data;
1215    return data[3];
1216};
1217
1218/**
1219 * Clears the specified rectangle.
1220 *
1221 * @method clearRect
1222 * @param {Number} x The x coordinate for the upper-left corner
1223 * @param {Number} y The y coordinate for the upper-left corner
1224 * @param {Number} width The width of the rectangle to clear
1225 * @param {Number} height The height of the rectangle to clear
1226 */
1227Bitmap.prototype.clearRect = function(x, y, width, height) {
1228    this._context.clearRect(x, y, width, height);
1229    this._setDirty();
1230};
1231
1232/**
1233 * Clears the entire bitmap.
1234 *
1235 * @method clear
1236 */
1237Bitmap.prototype.clear = function() {
1238    this.clearRect(0, 0, this.width, this.height);
1239};
1240
1241/**
1242 * Fills the specified rectangle.
1243 *
1244 * @method fillRect
1245 * @param {Number} x The x coordinate for the upper-left corner
1246 * @param {Number} y The y coordinate for the upper-left corner
1247 * @param {Number} width The width of the rectangle to fill
1248 * @param {Number} height The height of the rectangle to fill
1249 * @param {String} color The color of the rectangle in CSS format
1250 */
1251Bitmap.prototype.fillRect = function(x, y, width, height, color) {
1252    var context = this._context;
1253    context.save();
1254    context.fillStyle = color;
1255    context.fillRect(x, y, width, height);
1256    context.restore();
1257    this._setDirty();
1258};
1259
1260/**
1261 * Fills the entire bitmap.
1262 *
1263 * @method fillAll
1264 * @param {String} color The color of the rectangle in CSS format
1265 */
1266Bitmap.prototype.fillAll = function(color) {
1267    this.fillRect(0, 0, this.width, this.height, color);
1268};
1269
1270/**
1271 * Draws the rectangle with a gradation.
1272 *
1273 * @method gradientFillRect
1274 * @param {Number} x The x coordinate for the upper-left corner
1275 * @param {Number} y The y coordinate for the upper-left corner
1276 * @param {Number} width The width of the rectangle to fill
1277 * @param {Number} height The height of the rectangle to fill
1278 * @param {String} color1 The gradient starting color
1279 * @param {String} color2 The gradient ending color
1280 * @param {Boolean} vertical Wether the gradient should be draw as vertical or not
1281 */
1282Bitmap.prototype.gradientFillRect = function(x, y, width, height, color1,
1283                                             color2, vertical) {
1284    var context = this._context;
1285    var grad;
1286    if (vertical) {
1287        grad = context.createLinearGradient(x, y, x, y + height);
1288    } else {
1289        grad = context.createLinearGradient(x, y, x + width, y);
1290    }
1291    grad.addColorStop(0, color1);
1292    grad.addColorStop(1, color2);
1293    context.save();
1294    context.fillStyle = grad;
1295    context.fillRect(x, y, width, height);
1296    context.restore();
1297    this._setDirty();
1298};
1299
1300/**
1301 * Draw a bitmap in the shape of a circle
1302 *
1303 * @method drawCircle
1304 * @param {Number} x The x coordinate based on the circle center
1305 * @param {Number} y The y coordinate based on the circle center
1306 * @param {Number} radius The radius of the circle
1307 * @param {String} color The color of the circle in CSS format
1308 */
1309Bitmap.prototype.drawCircle = function(x, y, radius, color) {
1310    var context = this._context;
1311    context.save();
1312    context.fillStyle = color;
1313    context.beginPath();
1314    context.arc(x, y, radius, 0, Math.PI * 2, false);
1315    context.fill();
1316    context.restore();
1317    this._setDirty();
1318};
1319
1320/**
1321 * Draws the outline text to the bitmap.
1322 *
1323 * @method drawText
1324 * @param {String} text The text that will be drawn
1325 * @param {Number} x The x coordinate for the left of the text
1326 * @param {Number} y The y coordinate for the top of the text
1327 * @param {Number} maxWidth The maximum allowed width of the text
1328 * @param {Number} lineHeight The height of the text line
1329 * @param {String} align The alignment of the text
1330 */
1331Bitmap.prototype.drawText = function(text, x, y, maxWidth, lineHeight, align) {
1332    // Note: Firefox has a bug with textBaseline: Bug 737852
1333    //       So we use 'alphabetic' here.
1334    if (text !== undefined) {
1335        var tx = x;
1336        var ty = y + lineHeight - (lineHeight - this.fontSize * 0.7) / 2;
1337        var context = this._context;
1338        var alpha = context.globalAlpha;
1339        maxWidth = maxWidth || 0xffffffff;
1340        if (align === 'center') {
1341            tx += maxWidth / 2;
1342        }
1343        if (align === 'right') {
1344            tx += maxWidth;
1345        }
1346        context.save();
1347        context.font = this._makeFontNameText();
1348        context.textAlign = align;
1349        context.textBaseline = 'alphabetic';
1350        context.globalAlpha = 1;
1351        this._drawTextOutline(text, tx, ty, maxWidth);
1352        context.globalAlpha = alpha;
1353        this._drawTextBody(text, tx, ty, maxWidth);
1354        context.restore();
1355        this._setDirty();
1356    }
1357};
1358
1359/**
1360 * Returns the width of the specified text.
1361 *
1362 * @method measureTextWidth
1363 * @param {String} text The text to be measured
1364 * @return {Number} The width of the text in pixels
1365 */
1366Bitmap.prototype.measureTextWidth = function(text) {
1367    var context = this._context;
1368    context.save();
1369    context.font = this._makeFontNameText();
1370    var width = context.measureText(text).width;
1371    context.restore();
1372    return width;
1373};
1374
1375/**
1376 * Changes the color tone of the entire bitmap.
1377 *
1378 * @method adjustTone
1379 * @param {Number} r The red strength in the range (-255, 255)
1380 * @param {Number} g The green strength in the range (-255, 255)
1381 * @param {Number} b The blue strength in the range (-255, 255)
1382 */
1383Bitmap.prototype.adjustTone = function(r, g, b) {
1384    if ((r || g || b) && this.width > 0 && this.height > 0) {
1385        var context = this._context;
1386        var imageData = context.getImageData(0, 0, this.width, this.height);
1387        var pixels = imageData.data;
1388        for (var i = 0; i < pixels.length; i += 4) {
1389            pixels[i + 0] += r;
1390            pixels[i + 1] += g;
1391            pixels[i + 2] += b;
1392        }
1393        context.putImageData(imageData, 0, 0);
1394        this._setDirty();
1395    }
1396};
1397
1398/**
1399 * Rotates the hue of the entire bitmap.
1400 *
1401 * @method rotateHue
1402 * @param {Number} offset The hue offset in 360 degrees
1403 */
1404Bitmap.prototype.rotateHue = function(offset) {
1405    function rgbToHsl(r, g, b) {
1406        var cmin = Math.min(r, g, b);
1407        var cmax = Math.max(r, g, b);
1408        var h = 0;
1409        var s = 0;
1410        var l = (cmin + cmax) / 2;
1411        var delta = cmax - cmin;
1412
1413        if (delta > 0) {
1414            if (r === cmax) {
1415                h = 60 * (((g - b) / delta + 6) % 6);
1416            } else if (g === cmax) {
1417                h = 60 * ((b - r) / delta + 2);
1418            } else {
1419                h = 60 * ((r - g) / delta + 4);
1420            }
1421            s = delta / (255 - Math.abs(2 * l - 255));
1422        }
1423        return [h, s, l];
1424    }
1425
1426    function hslToRgb(h, s, l) {
1427        var c = (255 - Math.abs(2 * l - 255)) * s;
1428        var x = c * (1 - Math.abs((h / 60) % 2 - 1));
1429        var m = l - c / 2;
1430        var cm = c + m;
1431        var xm = x + m;
1432
1433        if (h < 60) {
1434            return [cm, xm, m];
1435        } else if (h < 120) {
1436            return [xm, cm, m];
1437        } else if (h < 180) {
1438            return [m, cm, xm];
1439        } else if (h < 240) {
1440            return [m, xm, cm];
1441        } else if (h < 300) {
1442            return [xm, m, cm];
1443        } else {
1444            return [cm, m, xm];
1445        }
1446    }
1447
1448    if (offset && this.width > 0 && this.height > 0) {
1449        offset = ((offset % 360) + 360) % 360;
1450        var context = this._context;
1451        var imageData = context.getImageData(0, 0, this.width, this.height);
1452        var pixels = imageData.data;
1453        for (var i = 0; i < pixels.length; i += 4) {
1454            var hsl = rgbToHsl(pixels[i + 0], pixels[i + 1], pixels[i + 2]);
1455            var h = (hsl[0] + offset) % 360;
1456            var s = hsl[1];
1457            var l = hsl[2];
1458            var rgb = hslToRgb(h, s, l);
1459            pixels[i + 0] = rgb[0];
1460            pixels[i + 1] = rgb[1];
1461            pixels[i + 2] = rgb[2];
1462        }
1463        context.putImageData(imageData, 0, 0);
1464        this._setDirty();
1465    }
1466};
1467
1468/**
1469 * Applies a blur effect to the bitmap.
1470 *
1471 * @method blur
1472 */
1473Bitmap.prototype.blur = function() {
1474    for (var i = 0; i < 2; i++) {
1475        var w = this.width;
1476        var h = this.height;
1477        var canvas = this._canvas;
1478        var context = this._context;
1479        var tempCanvas = document.createElement('canvas');
1480        var tempContext = tempCanvas.getContext('2d');
1481        tempCanvas.width = w + 2;
1482        tempCanvas.height = h + 2;
1483        tempContext.drawImage(canvas, 0, 0, w, h, 1, 1, w, h);
1484        tempContext.drawImage(canvas, 0, 0, w, 1, 1, 0, w, 1);
1485        tempContext.drawImage(canvas, 0, 0, 1, h, 0, 1, 1, h);
1486        tempContext.drawImage(canvas, 0, h - 1, w, 1, 1, h + 1, w, 1);
1487        tempContext.drawImage(canvas, w - 1, 0, 1, h, w + 1, 1, 1, h);
1488        context.save();
1489        context.fillStyle = 'black';
1490        context.fillRect(0, 0, w, h);
1491        context.globalCompositeOperation = 'lighter';
1492        context.globalAlpha = 1 / 9;
1493        for (var y = 0; y < 3; y++) {
1494            for (var x = 0; x < 3; x++) {
1495                context.drawImage(tempCanvas, x, y, w, h, 0, 0, w, h);
1496            }
1497        }
1498        context.restore();
1499    }
1500    this._setDirty();
1501};
1502
1503/**
1504 * Add a callback function that will be called when the bitmap is loaded.
1505 *
1506 * @method addLoadListener
1507 * @param {Function} listner The callback function
1508 */
1509Bitmap.prototype.addLoadListener = function(listner) {
1510    if (!this.isReady()) {
1511        this._loadListeners.push(listner);
1512    } else {
1513        listner(this);
1514    }
1515};
1516
1517/**
1518 * @method _makeFontNameText
1519 * @private
1520 */
1521Bitmap.prototype._makeFontNameText = function() {
1522    return (this.fontItalic ? 'Italic ' : '') +
1523            this.fontSize + 'px ' + this.fontFace;
1524};
1525
1526/**
1527 * @method _drawTextOutline
1528 * @param {String} text
1529 * @param {Number} tx
1530 * @param {Number} ty
1531 * @param {Number} maxWidth
1532 * @private
1533 */
1534Bitmap.prototype._drawTextOutline = function(text, tx, ty, maxWidth) {
1535    var context = this._context;
1536    context.strokeStyle = this.outlineColor;
1537    context.lineWidth = this.outlineWidth;
1538    context.lineJoin = 'round';
1539    context.strokeText(text, tx, ty, maxWidth);
1540};
1541
1542/**
1543 * @method _drawTextBody
1544 * @param {String} text
1545 * @param {Number} tx
1546 * @param {Number} ty
1547 * @param {Number} maxWidth
1548 * @private
1549 */
1550Bitmap.prototype._drawTextBody = function(text, tx, ty, maxWidth) {
1551    var context = this._context;
1552    context.fillStyle = this.textColor;
1553    context.fillText(text, tx, ty, maxWidth);
1554};
1555
1556/**
1557 * @method _onLoad
1558 * @private
1559 */
1560Bitmap.prototype._onLoad = function() {
1561    this._image.removeEventListener('load', this._loadListener);
1562    this._image.removeEventListener('error', this._errorListener);
1563
1564    this._renewCanvas();
1565
1566    switch(this._loadingState){
1567        case 'requesting':
1568            this._loadingState = 'requestCompleted';
1569            if(this._decodeAfterRequest){
1570                this.decode();
1571            }else{
1572                this._loadingState = 'purged';
1573                this._clearImgInstance();
1574            }
1575            break;
1576
1577        case 'decrypting':
1578            window.URL.revokeObjectURL(this._image.src);
1579            this._loadingState = 'decryptCompleted';
1580            if(this._decodeAfterRequest){
1581                this.decode();
1582            }else{
1583                this._loadingState = 'purged';
1584                this._clearImgInstance();
1585            }
1586            break;
1587    }
1588};
1589
1590Bitmap.prototype.decode = function(){
1591    switch(this._loadingState){
1592        case 'requestCompleted': case 'decryptCompleted':
1593            this._loadingState = 'loaded';
1594
1595            if(!this.__canvas) this._createBaseTexture(this._image);
1596            this._setDirty();
1597            this._callLoadListeners();
1598            break;
1599
1600        case 'requesting': case 'decrypting':
1601            this._decodeAfterRequest = true;
1602            if (!this._loader) {
1603                this._loader = ResourceHandler.createLoader(this._url, this._requestImage.bind(this, this._url), this._onError.bind(this));
1604                this._image.removeEventListener('error', this._errorListener);
1605                this._image.addEventListener('error', this._errorListener = this._loader);
1606            }
1607            break;
1608
1609        case 'pending': case 'purged': case 'error':
1610            this._decodeAfterRequest = true;
1611            this._requestImage(this._url);
1612            break;
1613    }
1614};
1615
1616/**
1617 * @method _callLoadListeners
1618 * @private
1619 */
1620Bitmap.prototype._callLoadListeners = function() {
1621    while (this._loadListeners.length > 0) {
1622        var listener = this._loadListeners.shift();
1623        listener(this);
1624    }
1625};
1626
1627/**
1628 * @method _onError
1629 * @private
1630 */
1631Bitmap.prototype._onError = function() {
1632    this._image.removeEventListener('load', this._loadListener);
1633    this._image.removeEventListener('error', this._errorListener);
1634    this._loadingState = 'error';
1635};
1636
1637/**
1638 * @method _setDirty
1639 * @private
1640 */
1641Bitmap.prototype._setDirty = function() {
1642    this._dirty = true;
1643};
1644
1645/**
1646 * updates texture is bitmap was dirty
1647 * @method checkDirty
1648 */
1649Bitmap.prototype.checkDirty = function() {
1650    if (this._dirty) {
1651        this._baseTexture.update();
1652        this._dirty = false;
1653    }
1654};
1655
1656Bitmap.request = function(url){
1657    var bitmap = Object.create(Bitmap.prototype);
1658    bitmap._defer = true;
1659    bitmap.initialize();
1660
1661    bitmap._url = url;
1662    bitmap._loadingState = 'pending';
1663
1664    return bitmap;
1665};
1666
1667Bitmap.prototype._requestImage = function(url){
1668    if(Bitmap._reuseImages.length !== 0){
1669        this._image = Bitmap._reuseImages.pop();
1670    }else{
1671        this._image = new Image();
1672    }
1673
1674    if (this._decodeAfterRequest && !this._loader) {
1675        this._loader = ResourceHandler.createLoader(url, this._requestImage.bind(this, url), this._onError.bind(this));
1676    }
1677
1678    this._image = new Image();
1679    this._url = url;
1680    this._loadingState = 'requesting';
1681
1682    if(!Decrypter.checkImgIgnore(url) && Decrypter.hasEncryptedImages) {
1683        this._loadingState = 'decrypting';
1684        Decrypter.decryptImg(url, this);
1685    } else {
1686        this._image.src = url;
1687
1688        this._image.addEventListener('load', this._loadListener = Bitmap.prototype._onLoad.bind(this));
1689        this._image.addEventListener('error', this._errorListener = this._loader || Bitmap.prototype._onError.bind(this));
1690    }
1691};
1692
1693Bitmap.prototype.isRequestOnly = function(){
1694    return !(this._decodeAfterRequest || this.isReady());
1695};
1696
1697Bitmap.prototype.isRequestReady = function(){
1698    return this._loadingState !== 'pending' &&
1699        this._loadingState !== 'requesting' &&
1700        this._loadingState !== 'decrypting';
1701};
1702
1703Bitmap.prototype.startRequest = function(){
1704    if(this._loadingState === 'pending'){
1705        this._decodeAfterRequest = false;
1706        this._requestImage(this._url);
1707    }
1708};
1709
1710//-----------------------------------------------------------------------------
1711/**
1712 * The static class that carries out graphics processing.
1713 *
1714 * @class Graphics
1715 */
1716function Graphics() {
1717    throw new Error('This is a static class');
1718}
1719
1720Graphics._cssFontLoading =  document.fonts && document.fonts.ready;
1721Graphics._fontLoaded = null;
1722Graphics._videoVolume = 1;
1723
1724/**
1725 * Initializes the graphics system.
1726 *
1727 * @static
1728 * @method initialize
1729 * @param {Number} width The width of the game screen
1730 * @param {Number} height The height of the game screen
1731 * @param {String} type The type of the renderer.
1732 *                 'canvas', 'webgl', or 'auto'.
1733 */
1734Graphics.initialize = function(width, height, type) {
1735    this._width = width || 800;
1736    this._height = height || 600;
1737    this._rendererType = type || 'auto';
1738    this._boxWidth = this._width;
1739    this._boxHeight = this._height;
1740
1741    this._scale = 1;
1742    this._realScale = 1;
1743
1744    this._errorShowed = false;
1745    this._errorPrinter = null;
1746    this._canvas = null;
1747    this._video = null;
1748    this._videoUnlocked = false;
1749    this._videoLoading = false;
1750    this._upperCanvas = null;
1751    this._renderer = null;
1752    this._fpsMeter = null;
1753    this._modeBox = null;
1754    this._skipCount = 0;
1755    this._maxSkip = 3;
1756    this._rendered = false;
1757    this._loadingImage = null;
1758    this._loadingCount = 0;
1759    this._fpsMeterToggled = false;
1760    this._stretchEnabled = this._defaultStretchMode();
1761
1762    this._canUseDifferenceBlend = false;
1763    this._canUseSaturationBlend = false;
1764    this._hiddenCanvas = null;
1765
1766    this._testCanvasBlendModes();
1767    this._modifyExistingElements();
1768    this._updateRealScale();
1769    this._createAllElements();
1770    this._disableTextSelection();
1771    this._disableContextMenu();
1772    this._setupEventHandlers();
1773    this._setupCssFontLoading();
1774};
1775
1776
1777Graphics._setupCssFontLoading = function(){
1778    if(Graphics._cssFontLoading){
1779        document.fonts.ready.then(function(fonts){
1780            Graphics._fontLoaded = fonts;
1781        }).catch(function(error){
1782            SceneManager.onError(error);
1783        });
1784    }
1785};
1786
1787Graphics.canUseCssFontLoading = function(){
1788    return !!this._cssFontLoading;
1789};
1790
1791/**
1792 * The total frame count of the game screen.
1793 *
1794 * @static
1795 * @property frameCount
1796 * @type Number
1797 */
1798Graphics.frameCount     = 0;
1799
1800/**
1801 * The alias of PIXI.blendModes.NORMAL.
1802 *
1803 * @static
1804 * @property BLEND_NORMAL
1805 * @type Number
1806 * @final
1807 */
1808Graphics.BLEND_NORMAL   = 0;
1809
1810/**
1811 * The alias of PIXI.blendModes.ADD.
1812 *
1813 * @static
1814 * @property BLEND_ADD
1815 * @type Number
1816 * @final
1817 */
1818Graphics.BLEND_ADD      = 1;
1819
1820/**
1821 * The alias of PIXI.blendModes.MULTIPLY.
1822 *
1823 * @static
1824 * @property BLEND_MULTIPLY
1825 * @type Number
1826 * @final
1827 */
1828Graphics.BLEND_MULTIPLY = 2;
1829
1830/**
1831 * The alias of PIXI.blendModes.SCREEN.
1832 *
1833 * @static
1834 * @property BLEND_SCREEN
1835 * @type Number
1836 * @final
1837 */
1838Graphics.BLEND_SCREEN   = 3;
1839
1840/**
1841 * Marks the beginning of each frame for FPSMeter.
1842 *
1843 * @static
1844 * @method tickStart
1845 */
1846Graphics.tickStart = function() {
1847    if (this._fpsMeter) {
1848        this._fpsMeter.tickStart();
1849    }
1850};
1851
1852/**
1853 * Marks the end of each frame for FPSMeter.
1854 *
1855 * @static
1856 * @method tickEnd
1857 */
1858Graphics.tickEnd = function() {
1859    if (this._fpsMeter && this._rendered) {
1860        this._fpsMeter.tick();
1861    }
1862};
1863
1864/**
1865 * Renders the stage to the game screen.
1866 *
1867 * @static
1868 * @method render
1869 * @param {Stage} stage The stage object to be rendered
1870 */
1871Graphics.render = function(stage) {
1872    if (this._skipCount === 0) {
1873        var startTime = Date.now();
1874        if (stage) {
1875            this._renderer.render(stage);
1876            if (this._renderer.gl && this._renderer.gl.flush) {
1877                this._renderer.gl.flush();
1878            }
1879        }
1880        var endTime = Date.now();
1881        var elapsed = endTime - startTime;
1882        this._skipCount = Math.min(Math.floor(elapsed / 15), this._maxSkip);
1883        this._rendered = true;
1884    } else {
1885        this._skipCount--;
1886        this._rendered = false;
1887    }
1888    this.frameCount++;
1889};
1890
1891/**
1892 * Checks whether the renderer type is WebGL.
1893 *
1894 * @static
1895 * @method isWebGL
1896 * @return {Boolean} True if the renderer type is WebGL
1897 */
1898Graphics.isWebGL = function() {
1899    return this._renderer && this._renderer.type === PIXI.RENDERER_TYPE.WEBGL;
1900};
1901
1902/**
1903 * Checks whether the current browser supports WebGL.
1904 *
1905 * @static
1906 * @method hasWebGL
1907 * @return {Boolean} True if the current browser supports WebGL.
1908 */
1909Graphics.hasWebGL = function() {
1910    try {
1911        var canvas = document.createElement('canvas');
1912        return !!(canvas.getContext('webgl') || canvas.getContext('experimental-webgl'));
1913    } catch (e) {
1914        return false;
1915    }
1916};
1917
1918/**
1919 * Checks whether the canvas blend mode 'difference' is supported.
1920 *
1921 * @static
1922 * @method canUseDifferenceBlend
1923 * @return {Boolean} True if the canvas blend mode 'difference' is supported
1924 */
1925Graphics.canUseDifferenceBlend = function() {
1926    return this._canUseDifferenceBlend;
1927};
1928
1929/**
1930 * Checks whether the canvas blend mode 'saturation' is supported.
1931 *
1932 * @static
1933 * @method canUseSaturationBlend
1934 * @return {Boolean} True if the canvas blend mode 'saturation' is supported
1935 */
1936Graphics.canUseSaturationBlend = function() {
1937    return this._canUseSaturationBlend;
1938};
1939
1940/**
1941 * Sets the source of the "Now Loading" image.
1942 *
1943 * @static
1944 * @method setLoadingImage
1945 */
1946Graphics.setLoadingImage = function(src) {
1947    this._loadingImage = new Image();
1948    this._loadingImage.src = src;
1949};
1950
1951/**
1952 * Initializes the counter for displaying the "Now Loading" image.
1953 *
1954 * @static
1955 * @method startLoading
1956 */
1957Graphics.startLoading = function() {
1958    this._loadingCount = 0;
1959};
1960
1961/**
1962 * Increments the loading counter and displays the "Now Loading" image if necessary.
1963 *
1964 * @static
1965 * @method updateLoading
1966 */
1967Graphics.updateLoading = function() {
1968    this._loadingCount++;
1969    this._paintUpperCanvas();
1970    this._upperCanvas.style.opacity = 1;
1971};
1972
1973/**
1974 * Erases the "Now Loading" image.
1975 *
1976 * @static
1977 * @method endLoading
1978 */
1979Graphics.endLoading = function() {
1980    this._clearUpperCanvas();
1981    this._upperCanvas.style.opacity = 0;
1982};
1983
1984/**
1985 * Displays the loading error text to the screen.
1986 *
1987 * @static
1988 * @method printLoadingError
1989 * @param {String} url The url of the resource failed to load
1990 */
1991Graphics.printLoadingError = function(url) {
1992    if (this._errorPrinter && !this._errorShowed) {
1993        this._errorPrinter.innerHTML = this._makeErrorHtml('Loading Error', 'Failed to load: ' + url);
1994        var button = document.createElement('button');
1995        button.innerHTML = 'Retry';
1996        button.style.fontSize = '24px';
1997        button.style.color = '#ffffff';
1998        button.style.backgroundColor = '#000000';
1999        button.onmousedown = button.ontouchstart = function(event) {
2000            ResourceHandler.retry();
2001            event.stopPropagation();
2002        };
2003        this._errorPrinter.appendChild(button);
2004        this._loadingCount = -Infinity;
2005    }
2006};
2007
2008/**
2009 * Erases the loading error text.
2010 *
2011 * @static
2012 * @method eraseLoadingError
2013 */
2014Graphics.eraseLoadingError = function() {
2015    if (this._errorPrinter && !this._errorShowed) {
2016        this._errorPrinter.innerHTML = '';
2017        this.startLoading();
2018    }
2019};
2020
2021/**
2022 * Displays the error text to the screen.
2023 *
2024 * @static
2025 * @method printError
2026 * @param {String} name The name of the error
2027 * @param {String} message The message of the error
2028 */
2029Graphics.printError = function(name, message) {
2030    this._errorShowed = true;
2031    if (this._errorPrinter) {
2032        this._errorPrinter.innerHTML = this._makeErrorHtml(name, message);
2033    }
2034    this._applyCanvasFilter();
2035    this._clearUpperCanvas();
2036};
2037
2038/**
2039 * Shows the FPSMeter element.
2040 *
2041 * @static
2042 * @method showFps
2043 */
2044Graphics.showFps = function() {
2045    if (this._fpsMeter) {
2046        this._fpsMeter.show();
2047        this._modeBox.style.opacity = 1;
2048    }
2049};
2050
2051/**
2052 * Hides the FPSMeter element.
2053 *
2054 * @static
2055 * @method hideFps
2056 */
2057Graphics.hideFps = function() {
2058    if (this._fpsMeter) {
2059        this._fpsMeter.hide();
2060        this._modeBox.style.opacity = 0;
2061    }
2062};
2063
2064/**
2065 * Loads a font file.
2066 *
2067 * @static
2068 * @method loadFont
2069 * @param {String} name The face name of the font
2070 * @param {String} url The url of the font file
2071 */
2072Graphics.loadFont = function(name, url) {
2073    var style = document.createElement('style');
2074    var head = document.getElementsByTagName('head');
2075    var rule = '@font-face { font-family: "' + name + '"; src: url("' + url + '"); }';
2076    style.type = 'text/css';
2077    head.item(0).appendChild(style);
2078    style.sheet.insertRule(rule, 0);
2079    this._createFontLoader(name);
2080};
2081
2082/**
2083 * Checks whether the font file is loaded.
2084 *
2085 * @static
2086 * @method isFontLoaded
2087 * @param {String} name The face name of the font
2088 * @return {Boolean} True if the font file is loaded
2089 */
2090Graphics.isFontLoaded = function(name) {
2091    if (Graphics._cssFontLoading) {
2092        if(Graphics._fontLoaded){
2093            return Graphics._fontLoaded.check('10px "'+name+'"');
2094        }
2095
2096        return false;
2097    } else {
2098        if (!this._hiddenCanvas) {
2099            this._hiddenCanvas = document.createElement('canvas');
2100        }
2101        var context = this._hiddenCanvas.getContext('2d');
2102        var text = 'abcdefghijklmnopqrstuvwxyz';
2103        var width1, width2;
2104        context.font = '40px ' + name + ', sans-serif';
2105        width1 = context.measureText(text).width;
2106        context.font = '40px sans-serif';
2107        width2 = context.measureText(text).width;
2108        return width1 !== width2;
2109    }
2110};
2111
2112/**
2113 * Starts playback of a video.
2114 *
2115 * @static
2116 * @method playVideo
2117 * @param {String} src
2118 */
2119Graphics.playVideo = function(src) {
2120    this._videoLoader = ResourceHandler.createLoader(null, this._playVideo.bind(this, src), this._onVideoError.bind(this));
2121    this._playVideo(src);
2122};
2123
2124/**
2125 * @static
2126 * @method _playVideo
2127 * @param {String} src
2128 * @private
2129 */
2130Graphics._playVideo = function(src) {
2131    this._video.src = src;
2132    this._video.onloadeddata = this._onVideoLoad.bind(this);
2133    this._video.onerror = this._videoLoader;
2134    this._video.onended = this._onVideoEnd.bind(this);
2135    this._video.load();
2136    this._videoLoading = true;
2137};
2138
2139/**
2140 * Checks whether the video is playing.
2141 *
2142 * @static
2143 * @method isVideoPlaying
2144 * @return {Boolean} True if the video is playing
2145 */
2146Graphics.isVideoPlaying = function() {
2147    return this._videoLoading || this._isVideoVisible();
2148};
2149
2150/**
2151 * Checks whether the browser can play the specified video type.
2152 *
2153 * @static
2154 * @method canPlayVideoType
2155 * @param {String} type The video type to test support for
2156 * @return {Boolean} True if the browser can play the specified video type
2157 */
2158Graphics.canPlayVideoType = function(type) {
2159    return this._video && this._video.canPlayType(type);
2160};
2161
2162/**
2163 * Sets volume of a video.
2164 *
2165 * @static
2166 * @method setVideoVolume
2167 * @param {Number} value
2168 */
2169Graphics.setVideoVolume = function(value) {
2170    this._videoVolume = value;
2171    if (this._video) {
2172        this._video.volume = this._videoVolume;
2173    }
2174};
2175
2176/**
2177 * Converts an x coordinate on the page to the corresponding
2178 * x coordinate on the canvas area.
2179 *
2180 * @static
2181 * @method pageToCanvasX
2182 * @param {Number} x The x coordinate on the page to be converted
2183 * @return {Number} The x coordinate on the canvas area
2184 */
2185Graphics.pageToCanvasX = function(x) {
2186    if (this._canvas) {
2187        var left = this._canvas.offsetLeft;
2188        return Math.round((x - left) / this._realScale);
2189    } else {
2190        return 0;
2191    }
2192};
2193
2194/**
2195 * Converts a y coordinate on the page to the corresponding
2196 * y coordinate on the canvas area.
2197 *
2198 * @static
2199 * @method pageToCanvasY
2200 * @param {Number} y The y coordinate on the page to be converted
2201 * @return {Number} The y coordinate on the canvas area
2202 */
2203Graphics.pageToCanvasY = function(y) {
2204    if (this._canvas) {
2205        var top = this._canvas.offsetTop;
2206        return Math.round((y - top) / this._realScale);
2207    } else {
2208        return 0;
2209    }
2210};
2211
2212/**
2213 * Checks whether the specified point is inside the game canvas area.
2214 *
2215 * @static
2216 * @method isInsideCanvas
2217 * @param {Number} x The x coordinate on the canvas area
2218 * @param {Number} y The y coordinate on the canvas area
2219 * @return {Boolean} True if the specified point is inside the game canvas area
2220 */
2221Graphics.isInsideCanvas = function(x, y) {
2222    return (x >= 0 && x < this._width && y >= 0 && y < this._height);
2223};
2224
2225/**
2226 * Calls pixi.js garbage collector
2227 */
2228Graphics.callGC = function() {
2229    if (Graphics.isWebGL()) {
2230        Graphics._renderer.textureGC.run();
2231    }
2232};
2233
2234
2235/**
2236 * The width of the game screen.
2237 *
2238 * @static
2239 * @property width
2240 * @type Number
2241 */
2242Object.defineProperty(Graphics, 'width', {
2243    get: function() {
2244        return this._width;
2245    },
2246    set: function(value) {
2247        if (this._width !== value) {
2248            this._width = value;
2249            this._updateAllElements();
2250        }
2251    },
2252    configurable: true
2253});
2254
2255/**
2256 * The height of the game screen.
2257 *
2258 * @static
2259 * @property height
2260 * @type Number
2261 */
2262Object.defineProperty(Graphics, 'height', {
2263    get: function() {
2264        return this._height;
2265    },
2266    set: function(value) {
2267        if (this._height !== value) {
2268            this._height = value;
2269            this._updateAllElements();
2270        }
2271    },
2272    configurable: true
2273});
2274
2275/**
2276 * The width of the window display area.
2277 *
2278 * @static
2279 * @property boxWidth
2280 * @type Number
2281 */
2282Object.defineProperty(Graphics, 'boxWidth', {
2283    get: function() {
2284        return this._boxWidth;
2285    },
2286    set: function(value) {
2287        this._boxWidth = value;
2288    },
2289    configurable: true
2290});
2291
2292/**
2293 * The height of the window display area.
2294 *
2295 * @static
2296 * @property boxHeight
2297 * @type Number
2298 */
2299Object.defineProperty(Graphics, 'boxHeight', {
2300    get: function() {
2301        return this._boxHeight;
2302    },
2303    set: function(value) {
2304        this._boxHeight = value;
2305    },
2306    configurable: true
2307});
2308
2309/**
2310 * The zoom scale of the game screen.
2311 *
2312 * @static
2313 * @property scale
2314 * @type Number
2315 */
2316Object.defineProperty(Graphics, 'scale', {
2317    get: function() {
2318        return this._scale;
2319    },
2320    set: function(value) {
2321        if (this._scale !== value) {
2322            this._scale = value;
2323            this._updateAllElements();
2324        }
2325    },
2326    configurable: true
2327});
2328
2329/**
2330 * @static
2331 * @method _createAllElements
2332 * @private
2333 */
2334Graphics._createAllElements = function() {
2335    this._createErrorPrinter();
2336    this._createCanvas();
2337    this._createVideo();
2338    this._createUpperCanvas();
2339    this._createRenderer();
2340    this._createFPSMeter();
2341    this._createModeBox();
2342    this._createGameFontLoader();
2343};
2344
2345/**
2346 * @static
2347 * @method _updateAllElements
2348 * @private
2349 */
2350Graphics._updateAllElements = function() {
2351    this._updateRealScale();
2352    this._updateErrorPrinter();
2353    this._updateCanvas();
2354    this._updateVideo();
2355    this._updateUpperCanvas();
2356    this._updateRenderer();
2357    this._paintUpperCanvas();
2358};
2359
2360/**
2361 * @static
2362 * @method _updateRealScale
2363 * @private
2364 */
2365Graphics._updateRealScale = function() {
2366    if (this._stretchEnabled) {
2367        var h = window.innerWidth / this._width;
2368        var v = window.innerHeight / this._height;
2369        if (h >= 1 && h - 0.01 <= 1) h = 1;
2370        if (v >= 1 && v - 0.01 <= 1) v = 1;
2371        this._realScale = Math.min(h, v);
2372    } else {
2373        this._realScale = this._scale;
2374    }
2375};
2376
2377/**
2378 * @static
2379 * @method _makeErrorHtml
2380 * @param {String} name
2381 * @param {String} message
2382 * @return {String}
2383 * @private
2384 */
2385Graphics._makeErrorHtml = function(name, message) {
2386    return ('<font color="yellow"><b>' + name + '</b></font><br>' +
2387            '<font color="white">' + message + '</font><br>');
2388};
2389
2390/**
2391 * @static
2392 * @method _defaultStretchMode
2393 * @private
2394 */
2395Graphics._defaultStretchMode = function() {
2396    return Utils.isNwjs() || Utils.isMobileDevice();
2397};
2398
2399/**
2400 * @static
2401 * @method _testCanvasBlendModes
2402 * @private
2403 */
2404Graphics._testCanvasBlendModes = function() {
2405    var canvas, context, imageData1, imageData2;
2406    canvas = document.createElement('canvas');
2407    canvas.width = 1;
2408    canvas.height = 1;
2409    context = canvas.getContext('2d');
2410    context.globalCompositeOperation = 'source-over';
2411    context.fillStyle = 'white';
2412    context.fillRect(0, 0, 1, 1);
2413    context.globalCompositeOperation = 'difference';
2414    context.fillStyle = 'white';
2415    context.fillRect(0, 0, 1, 1);
2416    imageData1 = context.getImageData(0, 0, 1, 1);
2417    context.globalCompositeOperation = 'source-over';
2418    context.fillStyle = 'black';
2419    context.fillRect(0, 0, 1, 1);
2420    context.globalCompositeOperation = 'saturation';
2421    context.fillStyle = 'white';
2422    context.fillRect(0, 0, 1, 1);
2423    imageData2 = context.getImageData(0, 0, 1, 1);
2424    this._canUseDifferenceBlend = imageData1.data[0] === 0;
2425    this._canUseSaturationBlend = imageData2.data[0] === 0;
2426};
2427
2428/**
2429 * @static
2430 * @method _modifyExistingElements
2431 * @private
2432 */
2433Graphics._modifyExistingElements = function() {
2434    var elements = document.getElementsByTagName('*');
2435    for (var i = 0; i < elements.length; i++) {
2436        if (elements[i].style.zIndex > 0) {
2437            elements[i].style.zIndex = 0;
2438        }
2439    }
2440};
2441
2442/**
2443 * @static
2444 * @method _createErrorPrinter
2445 * @private
2446 */
2447Graphics._createErrorPrinter = function() {
2448    this._errorPrinter = document.createElement('p');
2449    this._errorPrinter.id = 'ErrorPrinter';
2450    this._updateErrorPrinter();
2451    document.body.appendChild(this._errorPrinter);
2452};
2453
2454/**
2455 * @static
2456 * @method _updateErrorPrinter
2457 * @private
2458 */
2459Graphics._updateErrorPrinter = function() {
2460    this._errorPrinter.width = this._width * 0.9;
2461    this._errorPrinter.height = 40;
2462    this._errorPrinter.style.textAlign = 'center';
2463    this._errorPrinter.style.textShadow = '1px 1px 3px #000';
2464    this._errorPrinter.style.fontSize = '20px';
2465    this._errorPrinter.style.zIndex = 99;
2466    this._centerElement(this._errorPrinter);
2467};
2468
2469/**
2470 * @static
2471 * @method _createCanvas
2472 * @private
2473 */
2474Graphics._createCanvas = function() {
2475    this._canvas = document.createElement('canvas');
2476    this._canvas.id = 'GameCanvas';
2477    this._updateCanvas();
2478    document.body.appendChild(this._canvas);
2479};
2480
2481/**
2482 * @static
2483 * @method _updateCanvas
2484 * @private
2485 */
2486Graphics._updateCanvas = function() {
2487    this._canvas.width = this._width;
2488    this._canvas.height = this._height;
2489    this._canvas.style.zIndex = 1;
2490    this._centerElement(this._canvas);
2491};
2492
2493/**
2494 * @static
2495 * @method _createVideo
2496 * @private
2497 */
2498Graphics._createVideo = function() {
2499    this._video = document.createElement('video');
2500    this._video.id = 'GameVideo';
2501    this._video.style.opacity = 0;
2502    this._video.setAttribute('playsinline', '');
2503    this._video.volume = this._videoVolume;
2504    this._updateVideo();
2505    makeVideoPlayableInline(this._video);
2506    document.body.appendChild(this._video);
2507};
2508
2509/**
2510 * @static
2511 * @method _updateVideo
2512 * @private
2513 */
2514Graphics._updateVideo = function() {
2515    this._video.width = this._width;
2516    this._video.height = this._height;
2517    this._video.style.zIndex = 2;
2518    this._centerElement(this._video);
2519};
2520
2521/**
2522 * @static
2523 * @method _createUpperCanvas
2524 * @private
2525 */
2526Graphics._createUpperCanvas = function() {
2527    this._upperCanvas = document.createElement('canvas');
2528    this._upperCanvas.id = 'UpperCanvas';
2529    this._updateUpperCanvas();
2530    document.body.appendChild(this._upperCanvas);
2531};
2532
2533/**
2534 * @static
2535 * @method _updateUpperCanvas
2536 * @private
2537 */
2538Graphics._updateUpperCanvas = function() {
2539    this._upperCanvas.width = this._width;
2540    this._upperCanvas.height = this._height;
2541    this._upperCanvas.style.zIndex = 3;
2542    this._centerElement(this._upperCanvas);
2543};
2544
2545/**
2546 * @static
2547 * @method _clearUpperCanvas
2548 * @private
2549 */
2550Graphics._clearUpperCanvas = function() {
2551    var context = this._upperCanvas.getContext('2d');
2552    context.clearRect(0, 0, this._width, this._height);
2553};
2554
2555/**
2556 * @static
2557 * @method _paintUpperCanvas
2558 * @private
2559 */
2560Graphics._paintUpperCanvas = function() {
2561    this._clearUpperCanvas();
2562    if (this._loadingImage && this._loadingCount >= 20) {
2563        var context = this._upperCanvas.getContext('2d');
2564        var dx = (this._width - this._loadingImage.width) / 2;
2565        var dy = (this._height - this._loadingImage.height) / 2;
2566        var alpha = ((this._loadingCount - 20) / 30).clamp(0, 1);
2567        context.save();
2568        context.globalAlpha = alpha;
2569        context.drawImage(this._loadingImage, dx, dy);
2570        context.restore();
2571    }
2572};
2573
2574/**
2575 * @static
2576 * @method _createRenderer
2577 * @private
2578 */
2579Graphics._createRenderer = function() {
2580    PIXI.dontSayHello = true;
2581    var width = this._width;
2582    var height = this._height;
2583    var options = { view: this._canvas };
2584    try {
2585        switch (this._rendererType) {
2586        case 'canvas':
2587            this._renderer = new PIXI.CanvasRenderer(width, height, options);
2588            break;
2589        case 'webgl':
2590            this._renderer = new PIXI.WebGLRenderer(width, height, options);
2591            break;
2592        default:
2593            this._renderer = PIXI.autoDetectRenderer(width, height, options);
2594            break;
2595        }
2596
2597        if(this._renderer && this._renderer.textureGC)
2598            this._renderer.textureGC.maxIdle = 1;
2599
2600    } catch (e) {
2601        this._renderer = null;
2602    }
2603};
2604
2605/**
2606 * @static
2607 * @method _updateRenderer
2608 * @private
2609 */
2610Graphics._updateRenderer = function() {
2611    if (this._renderer) {
2612        this._renderer.resize(this._width, this._height);
2613    }
2614};
2615
2616/**
2617 * @static
2618 * @method _createFPSMeter
2619 * @private
2620 */
2621Graphics._createFPSMeter = function() {
2622    var options = { graph: 1, decimals: 0, theme: 'transparent', toggleOn: null };
2623    this._fpsMeter = new FPSMeter(options);
2624    this._fpsMeter.hide();
2625};
2626
2627/**
2628 * @static
2629 * @method _createModeBox
2630 * @private
2631 */
2632Graphics._createModeBox = function() {
2633    var box = document.createElement('div');
2634    box.id = 'modeTextBack';
2635    box.style.position = 'absolute';
2636    box.style.left = '5px';
2637    box.style.top = '5px';
2638    box.style.width = '119px';
2639    box.style.height = '58px';
2640    box.style.background = 'rgba(0,0,0,0.2)';
2641    box.style.zIndex = 9;
2642    box.style.opacity = 0;
2643
2644    var text = document.createElement('div');
2645    text.id = 'modeText';
2646    text.style.position = 'absolute';
2647    text.style.left = '0px';
2648    text.style.top = '41px';
2649    text.style.width = '119px';
2650    text.style.fontSize = '12px';
2651    text.style.fontFamily = 'monospace';
2652    text.style.color = 'white';
2653    text.style.textAlign = 'center';
2654    text.style.textShadow = '1px 1px 0 rgba(0,0,0,0.5)';
2655    text.innerHTML = this.isWebGL() ? 'WebGL mode' : 'Canvas mode';
2656
2657    document.body.appendChild(box);
2658    box.appendChild(text);
2659
2660    this._modeBox = box;
2661};
2662
2663/**
2664 * @static
2665 * @method _createGameFontLoader
2666 * @private
2667 */
2668Graphics._createGameFontLoader = function() {
2669    this._createFontLoader('GameFont');
2670};
2671
2672/**
2673 * @static
2674 * @method _createFontLoader
2675 * @param {String} name
2676 * @private
2677 */
2678Graphics._createFontLoader = function(name) {
2679    var div = document.createElement('div');
2680    var text = document.createTextNode('.');
2681    div.style.fontFamily = name;
2682    div.style.fontSize = '0px';
2683    div.style.color = 'transparent';
2684    div.style.position = 'absolute';
2685    div.style.margin = 'auto';
2686    div.style.top = '0px';
2687    div.style.left = '0px';
2688    div.style.width = '1px';
2689    div.style.height = '1px';
2690    div.appendChild(text);
2691    document.body.appendChild(div);
2692};
2693
2694/**
2695 * @static
2696 * @method _centerElement
2697 * @param {HTMLElement} element
2698 * @private
2699 */
2700Graphics._centerElement = function(element) {
2701    var width = element.width * this._realScale;
2702    var height = element.height * this._realScale;
2703    element.style.position = 'absolute';
2704    element.style.margin = 'auto';
2705    element.style.top = 0;
2706    element.style.left = 0;
2707    element.style.right = 0;
2708    element.style.bottom = 0;
2709    element.style.width = width + 'px';
2710    element.style.height = height + 'px';
2711};
2712
2713/**
2714 * @static
2715 * @method _disableTextSelection
2716 * @private
2717 */
2718Graphics._disableTextSelection = function() {
2719    var body = document.body;
2720    body.style.userSelect = 'none';
2721    body.style.webkitUserSelect = 'none';
2722    body.style.msUserSelect = 'none';
2723    body.style.mozUserSelect = 'none';
2724};
2725
2726/**
2727 * @static
2728 * @method _disableContextMenu
2729 * @private
2730 */
2731Graphics._disableContextMenu = function() {
2732    var elements = document.body.getElementsByTagName('*');
2733    var oncontextmenu = function() { return false; };
2734    for (var i = 0; i < elements.length; i++) {
2735        elements[i].oncontextmenu = oncontextmenu;
2736    }
2737};
2738
2739/**
2740 * @static
2741 * @method _applyCanvasFilter
2742 * @private
2743 */
2744Graphics._applyCanvasFilter = function() {
2745    if (this._canvas) {
2746        this._canvas.style.opacity = 0.5;
2747        this._canvas.style.filter = 'blur(8px)';
2748        this._canvas.style.webkitFilter = 'blur(8px)';
2749    }
2750};
2751
2752/**
2753 * @static
2754 * @method _onVideoLoad
2755 * @private
2756 */
2757Graphics._onVideoLoad = function() {
2758    this._video.play();
2759    this._updateVisibility(true);
2760    this._videoLoading = false;
2761};
2762
2763/**
2764 * @static
2765 * @method _onVideoError
2766 * @private
2767 */
2768Graphics._onVideoError = function() {
2769    this._updateVisibility(false);
2770    this._videoLoading = false;
2771};
2772
2773/**
2774 * @static
2775 * @method _onVideoEnd
2776 * @private
2777 */
2778Graphics._onVideoEnd = function() {
2779    this._updateVisibility(false);
2780};
2781
2782/**
2783 * @static
2784 * @method _updateVisibility
2785 * @param {Boolean} videoVisible
2786 * @private
2787 */
2788Graphics._updateVisibility = function(videoVisible) {
2789    this._video.style.opacity = videoVisible ? 1 : 0;
2790    this._canvas.style.opacity = videoVisible ? 0 : 1;
2791};
2792
2793/**
2794 * @static
2795 * @method _isVideoVisible
2796 * @return {Boolean}
2797 * @private
2798 */
2799Graphics._isVideoVisible = function() {
2800    return this._video.style.opacity > 0;
2801};
2802
2803/**
2804 * @static
2805 * @method _setupEventHandlers
2806 * @private
2807 */
2808Graphics._setupEventHandlers = function() {
2809    window.addEventListener('resize', this._onWindowResize.bind(this));
2810    document.addEventListener('keydown', this._onKeyDown.bind(this));
2811    document.addEventListener('keydown', this._onTouchEnd.bind(this));
2812    document.addEventListener('mousedown', this._onTouchEnd.bind(this));
2813    document.addEventListener('touchend', this._onTouchEnd.bind(this));
2814};
2815
2816/**
2817 * @static
2818 * @method _onWindowResize
2819 * @private
2820 */
2821Graphics._onWindowResize = function() {
2822    this._updateAllElements();
2823};
2824
2825/**
2826 * @static
2827 * @method _onKeyDown
2828 * @param {KeyboardEvent} event
2829 * @private
2830 */
2831Graphics._onKeyDown = function(event) {
2832    if (!event.ctrlKey && !event.altKey) {
2833        switch (event.keyCode) {
2834        case 113:   // F2
2835            event.preventDefault();
2836            this._switchFPSMeter();
2837            break;
2838        case 114:   // F3
2839            event.preventDefault();
2840            this._switchStretchMode();
2841            break;
2842        case 115:   // F4
2843            event.preventDefault();
2844            this._switchFullScreen();
2845            break;
2846        }
2847    }
2848};
2849
2850/**
2851 * @static
2852 * @method _onTouchEnd
2853 * @param {TouchEvent} event
2854 * @private
2855 */
2856Graphics._onTouchEnd = function(event) {
2857    if (!this._videoUnlocked) {
2858        this._video.play();
2859        this._videoUnlocked = true;
2860    }
2861    if (this._isVideoVisible() && this._video.paused) {
2862        this._video.play();
2863    }
2864};
2865
2866/**
2867 * @static
2868 * @method _switchFPSMeter
2869 * @private
2870 */
2871Graphics._switchFPSMeter = function() {
2872    if (this._fpsMeter.isPaused) {
2873        this.showFps();
2874        this._fpsMeter.showFps();
2875        this._fpsMeterToggled = false;
2876    } else if (!this._fpsMeterToggled) {
2877        this._fpsMeter.showDuration();
2878        this._fpsMeterToggled = true;
2879    } else {
2880        this.hideFps();
2881    }
2882};
2883
2884/**
2885 * @static
2886 * @method _switchStretchMode
2887 * @return {Boolean}
2888 * @private
2889 */
2890Graphics._switchStretchMode = function() {
2891    this._stretchEnabled = !this._stretchEnabled;
2892    this._updateAllElements();
2893};
2894
2895/**
2896 * @static
2897 * @method _switchFullScreen
2898 * @private
2899 */
2900Graphics._switchFullScreen = function() {
2901    if (this._isFullScreen()) {
2902        this._requestFullScreen();
2903    } else {
2904        this._cancelFullScreen();
2905    }
2906};
2907
2908/**
2909 * @static
2910 * @method _isFullScreen
2911 * @return {Boolean}
2912 * @private
2913 */
2914Graphics._isFullScreen = function() {
2915    return ((document.fullScreenElement && document.fullScreenElement !== null) ||
2916            (!document.mozFullScreen && !document.webkitFullscreenElement &&
2917             !document.msFullscreenElement));
2918};
2919
2920/**
2921 * @static
2922 * @method _requestFullScreen
2923 * @private
2924 */
2925Graphics._requestFullScreen = function() {
2926    var element = document.body;
2927    if (element.requestFullScreen) {
2928        element.requestFullScreen();
2929    } else if (element.mozRequestFullScreen) {
2930        element.mozRequestFullScreen();
2931    } else if (element.webkitRequestFullScreen) {
2932        element.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT);
2933    } else if (element.msRequestFullscreen) {
2934        element.msRequestFullscreen();
2935    }
2936};
2937
2938/**
2939 * @static
2940 * @method _cancelFullScreen
2941 * @private
2942 */
2943Graphics._cancelFullScreen = function() {
2944    if (document.cancelFullScreen) {
2945        document.cancelFullScreen();
2946    } else if (document.mozCancelFullScreen) {
2947        document.mozCancelFullScreen();
2948    } else if (document.webkitCancelFullScreen) {
2949        document.webkitCancelFullScreen();
2950    } else if (document.msExitFullscreen) {
2951        document.msExitFullscreen();
2952    }
2953};
2954
2955//-----------------------------------------------------------------------------
2956/**
2957 * The static class that handles input data from the keyboard and gamepads.
2958 *
2959 * @class Input
2960 */
2961function Input() {
2962    throw new Error('This is a static class');
2963}
2964
2965/**
2966 * Initializes the input system.
2967 *
2968 * @static
2969 * @method initialize
2970 */
2971Input.initialize = function() {
2972    this.clear();
2973    this._wrapNwjsAlert();
2974    this._setupEventHandlers();
2975};
2976
2977/**
2978 * The wait time of the key repeat in frames.
2979 *
2980 * @static
2981 * @property keyRepeatWait
2982 * @type Number
2983 */
2984Input.keyRepeatWait = 24;
2985
2986/**
2987 * The interval of the key repeat in frames.
2988 *
2989 * @static
2990 * @property keyRepeatInterval
2991 * @type Number
2992 */
2993Input.keyRepeatInterval = 6;
2994
2995/**
2996 * A hash table to convert from a virtual key code to a mapped key name.
2997 *
2998 * @static
2999 * @property keyMapper
3000 * @type Object
3001 */
3002Input.keyMapper = {
3003    9: 'tab',       // tab
3004    13: 'ok',       // enter
3005    16: 'shift',    // shift
3006    17: 'control',  // control
3007    18: 'control',  // alt
3008    27: 'escape',   // escape
3009    32: 'ok',       // space
3010    33: 'pageup',   // pageup
3011    34: 'pagedown', // pagedown
3012    37: 'left',     // left arrow
3013    38: 'up',       // up arrow
3014    39: 'right',    // right arrow
3015    40: 'down',     // down arrow
3016    45: 'escape',   // insert
3017    81: 'pageup',   // Q
3018    87: 'pagedown', // W
3019    88: 'escape',   // X
3020    90: 'ok',       // Z
3021    96: 'escape',   // numpad 0
3022    98: 'down',     // numpad 2
3023    100: 'left',    // numpad 4
3024    102: 'right',   // numpad 6
3025    104: 'up',      // numpad 8
3026    120: 'debug'    // F9
3027};
3028
3029/**
3030 * A hash table to convert from a gamepad button to a mapped key name.
3031 *
3032 * @static
3033 * @property gamepadMapper
3034 * @type Object
3035 */
3036Input.gamepadMapper = {
3037    0: 'ok',        // A
3038    1: 'cancel',    // B
3039    2: 'shift',     // X
3040    3: 'menu',      // Y
3041    4: 'pageup',    // LB
3042    5: 'pagedown',  // RB
3043    12: 'up',       // D-pad up
3044    13: 'down',     // D-pad down
3045    14: 'left',     // D-pad left
3046    15: 'right',    // D-pad right
3047};
3048
3049/**
3050 * Clears all the input data.
3051 *
3052 * @static
3053 * @method clear
3054 */
3055Input.clear = function() {
3056    this._currentState = {};
3057    this._previousState = {};
3058    this._gamepadStates = [];
3059    this._latestButton = null;
3060    this._pressedTime = 0;
3061    this._dir4 = 0;
3062    this._dir8 = 0;
3063    this._preferredAxis = '';
3064    this._date = 0;
3065};
3066
3067/**
3068 * Updates the input data.
3069 *
3070 * @static
3071 * @method update
3072 */
3073Input.update = function() {
3074    this._pollGamepads();
3075    if (this._currentState[this._latestButton]) {
3076        this._pressedTime++;
3077    } else {
3078        this._latestButton = null;
3079    }
3080    for (var name in this._currentState) {
3081        if (this._currentState[name] && !this._previousState[name]) {
3082            this._latestButton = name;
3083            this._pressedTime = 0;
3084            this._date = Date.now();
3085        }
3086        this._previousState[name] = this._currentState[name];
3087    }
3088    this._updateDirection();
3089};
3090
3091/**
3092 * Checks whether a key is currently pressed down.
3093 *
3094 * @static
3095 * @method isPressed
3096 * @param {String} keyName The mapped name of the key
3097 * @return {Boolean} True if the key is pressed
3098 */
3099Input.isPressed = function(keyName) {
3100    if (this._isEscapeCompatible(keyName) && this.isPressed('escape')) {
3101        return true;
3102    } else {
3103        return !!this._currentState[keyName];
3104    }
3105};
3106
3107/**
3108 * Checks whether a key is just pressed.
3109 *
3110 * @static
3111 * @method isTriggered
3112 * @param {String} keyName The mapped name of the key
3113 * @return {Boolean} True if the key is triggered
3114 */
3115Input.isTriggered = function(keyName) {
3116    if (this._isEscapeCompatible(keyName) && this.isTriggered('escape')) {
3117        return true;
3118    } else {
3119        return this._latestButton === keyName && this._pressedTime === 0;
3120    }
3121};
3122
3123/**
3124 * Checks whether a key is just pressed or a key repeat occurred.
3125 *
3126 * @static
3127 * @method isRepeated
3128 * @param {String} keyName The mapped name of the key
3129 * @return {Boolean} True if the key is repeated
3130 */
3131Input.isRepeated = function(keyName) {
3132    if (this._isEscapeCompatible(keyName) && this.isRepeated('escape')) {
3133        return true;
3134    } else {
3135        return (this._latestButton === keyName &&
3136                (this._pressedTime === 0 ||
3137                 (this._pressedTime >= this.keyRepeatWait &&
3138                  this._pressedTime % this.keyRepeatInterval === 0)));
3139    }
3140};
3141
3142/**
3143 * Checks whether a key is kept depressed.
3144 *
3145 * @static
3146 * @method isLongPressed
3147 * @param {String} keyName The mapped name of the key
3148 * @return {Boolean} True if the key is long-pressed
3149 */
3150Input.isLongPressed = function(keyName) {
3151    if (this._isEscapeCompatible(keyName) && this.isLongPressed('escape')) {
3152        return true;
3153    } else {
3154        return (this._latestButton === keyName &&
3155                this._pressedTime >= this.keyRepeatWait);
3156    }
3157};
3158
3159/**
3160 * [read-only] The four direction value as a number of the numpad, or 0 for neutral.
3161 *
3162 * @static
3163 * @property dir4
3164 * @type Number
3165 */
3166Object.defineProperty(Input, 'dir4', {
3167    get: function() {
3168        return this._dir4;
3169    },
3170    configurable: true
3171});
3172
3173/**
3174 * [read-only] The eight direction value as a number of the numpad, or 0 for neutral.
3175 *
3176 * @static
3177 * @property dir8
3178 * @type Number
3179 */
3180Object.defineProperty(Input, 'dir8', {
3181    get: function() {
3182        return this._dir8;
3183    },
3184    configurable: true
3185});
3186
3187/**
3188 * [read-only] The time of the last input in milliseconds.
3189 *
3190 * @static
3191 * @property date
3192 * @type Number
3193 */
3194Object.defineProperty(Input, 'date', {
3195    get: function() {
3196        return this._date;
3197    },
3198    configurable: true
3199});
3200
3201/**
3202 * @static
3203 * @method _wrapNwjsAlert
3204 * @private
3205 */
3206Input._wrapNwjsAlert = function() {
3207    if (Utils.isNwjs()) {
3208        var _alert = window.alert;
3209        window.alert = function() {
3210            var gui = require('nw.gui');
3211            var win = gui.Window.get();
3212            _alert.apply(this, arguments);
3213            win.focus();
3214            Input.clear();
3215        };
3216    }
3217};
3218
3219/**
3220 * @static
3221 * @method _setupEventHandlers
3222 * @private
3223 */
3224Input._setupEventHandlers = function() {
3225    document.addEventListener('keydown', this._onKeyDown.bind(this));
3226    document.addEventListener('keyup', this._onKeyUp.bind(this));
3227    window.addEventListener('blur', this._onLostFocus.bind(this));
3228};
3229
3230/**
3231 * @static
3232 * @method _onKeyDown
3233 * @param {KeyboardEvent} event
3234 * @private
3235 */
3236Input._onKeyDown = function(event) {
3237    if (this._shouldPreventDefault(event.keyCode)) {
3238        event.preventDefault();
3239    }
3240    if (event.keyCode === 144) {    // Numlock
3241        this.clear();
3242    }
3243    var buttonName = this.keyMapper[event.keyCode];
3244    if (ResourceHandler.exists() && buttonName === 'ok') {
3245        ResourceHandler.retry();
3246    } else if (buttonName) {
3247        this._currentState[buttonName] = true;
3248    }
3249};
3250
3251/**
3252 * @static
3253 * @method _shouldPreventDefault
3254 * @param {Number} keyCode
3255 * @private
3256 */
3257Input._shouldPreventDefault = function(keyCode) {
3258    switch (keyCode) {
3259    case 8:     // backspace
3260    case 33:    // pageup
3261    case 34:    // pagedown
3262    case 37:    // left arrow
3263    case 38:    // up arrow
3264    case 39:    // right arrow
3265    case 40:    // down arrow
3266        return true;
3267    }
3268    return false;
3269};
3270
3271/**
3272 * @static
3273 * @method _onKeyUp
3274 * @param {KeyboardEvent} event
3275 * @private
3276 */
3277Input._onKeyUp = function(event) {
3278    var buttonName = this.keyMapper[event.keyCode];
3279    if (buttonName) {
3280        this._currentState[buttonName] = false;
3281    }
3282    if (event.keyCode === 0) {  // For QtWebEngine on OS X
3283        this.clear();
3284    }
3285};
3286
3287/**
3288 * @static
3289 * @method _onLostFocus
3290 * @private
3291 */
3292Input._onLostFocus = function() {
3293    this.clear();
3294};
3295
3296/**
3297 * @static
3298 * @method _pollGamepads
3299 * @private
3300 */
3301Input._pollGamepads = function() {
3302    if (navigator.getGamepads) {
3303        var gamepads = navigator.getGamepads();
3304        if (gamepads) {
3305            for (var i = 0; i < gamepads.length; i++) {
3306                var gamepad = gamepads[i];
3307                if (gamepad && gamepad.connected) {
3308                    this._updateGamepadState(gamepad);
3309                }
3310            }
3311        }
3312    }
3313};
3314
3315/**
3316 * @static
3317 * @method _updateGamepadState
3318 * @param {Gamepad} gamepad
3319 * @param {Number} index
3320 * @private
3321 */
3322Input._updateGamepadState = function(gamepad) {
3323    var lastState = this._gamepadStates[gamepad.index] || [];
3324    var newState = [];
3325    var buttons = gamepad.buttons;
3326    var axes = gamepad.axes;
3327    var threshold = 0.5;
3328    newState[12] = false;
3329    newState[13] = false;
3330    newState[14] = false;
3331    newState[15] = false;
3332    for (var i = 0; i < buttons.length; i++) {
3333        newState[i] = buttons[i].pressed;
3334    }
3335    if (axes[1] < -threshold) {
3336        newState[12] = true;    // up
3337    } else if (axes[1] > threshold) {
3338        newState[13] = true;    // down
3339    }
3340    if (axes[0] < -threshold) {
3341        newState[14] = true;    // left
3342    } else if (axes[0] > threshold) {
3343        newState[15] = true;    // right
3344    }
3345    for (var j = 0; j < newState.length; j++) {
3346        if (newState[j] !== lastState[j]) {
3347            var buttonName = this.gamepadMapper[j];
3348            if (buttonName) {
3349                this._currentState[buttonName] = newState[j];
3350            }
3351        }
3352    }
3353    this._gamepadStates[gamepad.index] = newState;
3354};
3355
3356/**
3357 * @static
3358 * @method _updateDirection
3359 * @private
3360 */
3361Input._updateDirection = function() {
3362    var x = this._signX();
3363    var y = this._signY();
3364
3365    this._dir8 = this._makeNumpadDirection(x, y);
3366
3367    if (x !== 0 && y !== 0) {
3368        if (this._preferredAxis === 'x') {
3369            y = 0;
3370        } else {
3371            x = 0;
3372        }
3373    } else if (x !== 0) {
3374        this._preferredAxis = 'y';
3375    } else if (y !== 0) {
3376        this._preferredAxis = 'x';
3377    }
3378
3379    this._dir4 = this._makeNumpadDirection(x, y);
3380};
3381
3382/**
3383 * @static
3384 * @method _signX
3385 * @private
3386 */
3387Input._signX = function() {
3388    var x = 0;
3389
3390    if (this.isPressed('left')) {
3391        x--;
3392    }
3393    if (this.isPressed('right')) {
3394        x++;
3395    }
3396    return x;
3397};
3398
3399/**
3400 * @static
3401 * @method _signY
3402 * @private
3403 */
3404Input._signY = function() {
3405    var y = 0;
3406
3407    if (this.isPressed('up')) {
3408        y--;
3409    }
3410    if (this.isPressed('down')) {
3411        y++;
3412    }
3413    return y;
3414};
3415
3416/**
3417 * @static
3418 * @method _makeNumpadDirection
3419 * @param {Number} x
3420 * @param {Number} y
3421 * @return {Number}
3422 * @private
3423 */
3424Input._makeNumpadDirection = function(x, y) {
3425    if (x !== 0 || y !== 0) {
3426        return  5 - y * 3 + x;
3427    }
3428    return 0;
3429};
3430
3431/**
3432 * @static
3433 * @method _isEscapeCompatible
3434 * @param {String} keyName
3435 * @return {Boolean}
3436 * @private
3437 */
3438Input._isEscapeCompatible = function(keyName) {
3439    return keyName === 'cancel' || keyName === 'menu';
3440};
3441
3442//-----------------------------------------------------------------------------
3443/**
3444 * The static class that handles input data from the mouse and touchscreen.
3445 *
3446 * @class TouchInput
3447 */
3448function TouchInput() {
3449    throw new Error('This is a static class');
3450}
3451
3452/**
3453 * Initializes the touch system.
3454 *
3455 * @static
3456 * @method initialize
3457 */
3458TouchInput.initialize = function() {
3459    this.clear();
3460    this._setupEventHandlers();
3461};
3462
3463/**
3464 * The wait time of the pseudo key repeat in frames.
3465 *
3466 * @static
3467 * @property keyRepeatWait
3468 * @type Number
3469 */
3470TouchInput.keyRepeatWait = 24;
3471
3472/**
3473 * The interval of the pseudo key repeat in frames.
3474 *
3475 * @static
3476 * @property keyRepeatInterval
3477 * @type Number
3478 */
3479TouchInput.keyRepeatInterval = 6;
3480
3481/**
3482 * Clears all the touch data.
3483 *
3484 * @static
3485 * @method clear
3486 */
3487TouchInput.clear = function() {
3488    this._mousePressed = false;
3489    this._screenPressed = false;
3490    this._pressedTime = 0;
3491    this._events = {};
3492    this._events.triggered = false;
3493    this._events.cancelled = false;
3494    this._events.moved = false;
3495    this._events.released = false;
3496    this._events.wheelX = 0;
3497    this._events.wheelY = 0;
3498    this._triggered = false;
3499    this._cancelled = false;
3500    this._moved = false;
3501    this._released = false;
3502    this._wheelX = 0;
3503    this._wheelY = 0;
3504    this._x = 0;
3505    this._y = 0;
3506    this._date = 0;
3507};
3508
3509/**
3510 * Updates the touch data.
3511 *
3512 * @static
3513 * @method update
3514 */
3515TouchInput.update = function() {
3516    this._triggered = this._events.triggered;
3517    this._cancelled = this._events.cancelled;
3518    this._moved = this._events.moved;
3519    this._released = this._events.released;
3520    this._wheelX = this._events.wheelX;
3521    this._wheelY = this._events.wheelY;
3522    this._events.triggered = false;
3523    this._events.cancelled = false;
3524    this._events.moved = false;
3525    this._events.released = false;
3526    this._events.wheelX = 0;
3527    this._events.wheelY = 0;
3528    if (this.isPressed()) {
3529        this._pressedTime++;
3530    }
3531};
3532
3533/**
3534 * Checks whether the mouse button or touchscreen is currently pressed down.
3535 *
3536 * @static
3537 * @method isPressed
3538 * @return {Boolean} True if the mouse button or touchscreen is pressed
3539 */
3540TouchInput.isPressed = function() {
3541    return this._mousePressed || this._screenPressed;
3542};
3543
3544/**
3545 * Checks whether the left mouse button or touchscreen is just pressed.
3546 *
3547 * @static
3548 * @method isTriggered
3549 * @return {Boolean} True if the mouse button or touchscreen is triggered
3550 */
3551TouchInput.isTriggered = function() {
3552    return this._triggered;
3553};
3554
3555/**
3556 * Checks whether the left mouse button or touchscreen is just pressed
3557 * or a pseudo key repeat occurred.
3558 *
3559 * @static
3560 * @method isRepeated
3561 * @return {Boolean} True if the mouse button or touchscreen is repeated
3562 */
3563TouchInput.isRepeated = function() {
3564    return (this.isPressed() &&
3565            (this._triggered ||
3566             (this._pressedTime >= this.keyRepeatWait &&
3567              this._pressedTime % this.keyRepeatInterval === 0)));
3568};
3569
3570/**
3571 * Checks whether the left mouse button or touchscreen is kept depressed.
3572 *
3573 * @static
3574 * @method isLongPressed
3575 * @return {Boolean} True if the left mouse button or touchscreen is long-pressed
3576 */
3577TouchInput.isLongPressed = function() {
3578    return this.isPressed() && this._pressedTime >= this.keyRepeatWait;
3579};
3580
3581/**
3582 * Checks whether the right mouse button is just pressed.
3583 *
3584 * @static
3585 * @method isCancelled
3586 * @return {Boolean} True if the right mouse button is just pressed
3587 */
3588TouchInput.isCancelled = function() {
3589    return this._cancelled;
3590};
3591
3592/**
3593 * Checks whether the mouse or a finger on the touchscreen is moved.
3594 *
3595 * @static
3596 * @method isMoved
3597 * @return {Boolean} True if the mouse or a finger on the touchscreen is moved
3598 */
3599TouchInput.isMoved = function() {
3600    return this._moved;
3601};
3602
3603/**
3604 * Checks whether the left mouse button or touchscreen is released.
3605 *
3606 * @static
3607 * @method isReleased
3608 * @return {Boolean} True if the mouse button or touchscreen is released
3609 */
3610TouchInput.isReleased = function() {
3611    return this._released;
3612};
3613
3614/**
3615 * [read-only] The horizontal scroll amount.
3616 *
3617 * @static
3618 * @property wheelX
3619 * @type Number
3620 */
3621Object.defineProperty(TouchInput, 'wheelX', {
3622    get: function() {
3623        return this._wheelX;
3624    },
3625    configurable: true
3626});
3627
3628/**
3629 * [read-only] The vertical scroll amount.
3630 *
3631 * @static
3632 * @property wheelY
3633 * @type Number
3634 */
3635Object.defineProperty(TouchInput, 'wheelY', {
3636    get: function() {
3637        return this._wheelY;
3638    },
3639    configurable: true
3640});
3641
3642/**
3643 * [read-only] The x coordinate on the canvas area of the latest touch event.
3644 *
3645 * @static
3646 * @property x
3647 * @type Number
3648 */
3649Object.defineProperty(TouchInput, 'x', {
3650    get: function() {
3651        return this._x;
3652    },
3653    configurable: true
3654});
3655
3656/**
3657 * [read-only] The y coordinate on the canvas area of the latest touch event.
3658 *
3659 * @static
3660 * @property y
3661 * @type Number
3662 */
3663Object.defineProperty(TouchInput, 'y', {
3664    get: function() {
3665        return this._y;
3666    },
3667    configurable: true
3668});
3669
3670/**
3671 * [read-only] The time of the last input in milliseconds.
3672 *
3673 * @static
3674 * @property date
3675 * @type Number
3676 */
3677Object.defineProperty(TouchInput, 'date', {
3678    get: function() {
3679        return this._date;
3680    },
3681    configurable: true
3682});
3683
3684/**
3685 * @static
3686 * @method _setupEventHandlers
3687 * @private
3688 */
3689TouchInput._setupEventHandlers = function() {
3690    var isSupportPassive = Utils.isSupportPassiveEvent();
3691    document.addEventListener('mousedown', this._onMouseDown.bind(this));
3692    document.addEventListener('mousemove', this._onMouseMove.bind(this));
3693    document.addEventListener('mouseup', this._onMouseUp.bind(this));
3694    document.addEventListener('wheel', this._onWheel.bind(this));
3695    document.addEventListener('touchstart', this._onTouchStart.bind(this), isSupportPassive ? {passive: false} : false);
3696    document.addEventListener('touchmove', this._onTouchMove.bind(this), isSupportPassive ? {passive: false} : false);
3697    document.addEventListener('touchend', this._onTouchEnd.bind(this));
3698    document.addEventListener('touchcancel', this._onTouchCancel.bind(this));
3699    document.addEventListener('pointerdown', this._onPointerDown.bind(this));
3700};
3701
3702/**
3703 * @static
3704 * @method _onMouseDown
3705 * @param {MouseEvent} event
3706 * @private
3707 */
3708TouchInput._onMouseDown = function(event) {
3709    if (event.button === 0) {
3710        this._onLeftButtonDown(event);
3711    } else if (event.button === 1) {
3712        this._onMiddleButtonDown(event);
3713    } else if (event.button === 2) {
3714        this._onRightButtonDown(event);
3715    }
3716};
3717
3718/**
3719 * @static
3720 * @method _onLeftButtonDown
3721 * @param {MouseEvent} event
3722 * @private
3723 */
3724TouchInput._onLeftButtonDown = function(event) {
3725    var x = Graphics.pageToCanvasX(event.pageX);
3726    var y = Graphics.pageToCanvasY(event.pageY);
3727    if (Graphics.isInsideCanvas(x, y)) {
3728        this._mousePressed = true;
3729        this._pressedTime = 0;
3730        this._onTrigger(x, y);
3731    }
3732};
3733
3734/**
3735 * @static
3736 * @method _onMiddleButtonDown
3737 * @param {MouseEvent} event
3738 * @private
3739 */
3740TouchInput._onMiddleButtonDown = function(event) {
3741};
3742
3743/**
3744 * @static
3745 * @method _onRightButtonDown
3746 * @param {MouseEvent} event
3747 * @private
3748 */
3749TouchInput._onRightButtonDown = function(event) {
3750    var x = Graphics.pageToCanvasX(event.pageX);
3751    var y = Graphics.pageToCanvasY(event.pageY);
3752    if (Graphics.isInsideCanvas(x, y)) {
3753        this._onCancel(x, y);
3754    }
3755};
3756
3757/**
3758 * @static
3759 * @method _onMouseMove
3760 * @param {MouseEvent} event
3761 * @private
3762 */
3763TouchInput._onMouseMove = function(event) {
3764    if (this._mousePressed) {
3765        var x = Graphics.pageToCanvasX(event.pageX);
3766        var y = Graphics.pageToCanvasY(event.pageY);
3767        this._onMove(x, y);
3768    }
3769};
3770
3771/**
3772 * @static
3773 * @method _onMouseUp
3774 * @param {MouseEvent} event
3775 * @private
3776 */
3777TouchInput._onMouseUp = function(event) {
3778    if (event.button === 0) {
3779        var x = Graphics.pageToCanvasX(event.pageX);
3780        var y = Graphics.pageToCanvasY(event.pageY);
3781        this._mousePressed = false;
3782        this._onRelease(x, y);
3783    }
3784};
3785
3786/**
3787 * @static
3788 * @method _onWheel
3789 * @param {WheelEvent} event
3790 * @private
3791 */
3792TouchInput._onWheel = function(event) {
3793    this._events.wheelX += event.deltaX;
3794    this._events.wheelY += event.deltaY;
3795    event.preventDefault();
3796};
3797
3798/**
3799 * @static
3800 * @method _onTouchStart
3801 * @param {TouchEvent} event
3802 * @private
3803 */
3804TouchInput._onTouchStart = function(event) {
3805    for (var i = 0; i < event.changedTouches.length; i++) {
3806        var touch = event.changedTouches[i];
3807        var x = Graphics.pageToCanvasX(touch.pageX);
3808        var y = Graphics.pageToCanvasY(touch.pageY);
3809        if (Graphics.isInsideCanvas(x, y)) {
3810            this._screenPressed = true;
3811            this._pressedTime = 0;
3812            if (event.touches.length >= 2) {
3813                this._onCancel(x, y);
3814            } else {
3815                this._onTrigger(x, y);
3816            }
3817            event.preventDefault();
3818        }
3819    }
3820    if (window.cordova || window.navigator.standalone) {
3821        event.preventDefault();
3822    }
3823};
3824
3825/**
3826 * @static
3827 * @method _onTouchMove
3828 * @param {TouchEvent} event
3829 * @private
3830 */
3831TouchInput._onTouchMove = function(event) {
3832    for (var i = 0; i < event.changedTouches.length; i++) {
3833        var touch = event.changedTouches[i];
3834        var x = Graphics.pageToCanvasX(touch.pageX);
3835        var y = Graphics.pageToCanvasY(touch.pageY);
3836        this._onMove(x, y);
3837    }
3838};
3839
3840/**
3841 * @static
3842 * @method _onTouchEnd
3843 * @param {TouchEvent} event
3844 * @private
3845 */
3846TouchInput._onTouchEnd = function(event) {
3847    for (var i = 0; i < event.changedTouches.length; i++) {
3848        var touch = event.changedTouches[i];
3849        var x = Graphics.pageToCanvasX(touch.pageX);
3850        var y = Graphics.pageToCanvasY(touch.pageY);
3851        this._screenPressed = false;
3852        this._onRelease(x, y);
3853    }
3854};
3855
3856/**
3857 * @static
3858 * @method _onTouchCancel
3859 * @param {TouchEvent} event
3860 * @private
3861 */
3862TouchInput._onTouchCancel = function(event) {
3863    this._screenPressed = false;
3864};
3865
3866/**
3867 * @static
3868 * @method _onPointerDown
3869 * @param {PointerEvent} event
3870 * @private
3871 */
3872TouchInput._onPointerDown = function(event) {
3873    if (event.pointerType === 'touch' && !event.isPrimary) {
3874        var x = Graphics.pageToCanvasX(event.pageX);
3875        var y = Graphics.pageToCanvasY(event.pageY);
3876        if (Graphics.isInsideCanvas(x, y)) {
3877            // For Microsoft Edge
3878            this._onCancel(x, y);
3879            event.preventDefault();
3880        }
3881    }
3882};
3883
3884/**
3885 * @static
3886 * @method _onTrigger
3887 * @param {Number} x
3888 * @param {Number} y
3889 * @private
3890 */
3891TouchInput._onTrigger = function(x, y) {
3892    this._events.triggered = true;
3893    this._x = x;
3894    this._y = y;
3895    this._date = Date.now();
3896};
3897
3898/**
3899 * @static
3900 * @method _onCancel
3901 * @param {Number} x
3902 * @param {Number} y
3903 * @private
3904 */
3905TouchInput._onCancel = function(x, y) {
3906    this._events.cancelled = true;
3907    this._x = x;
3908    this._y = y;
3909};
3910
3911/**
3912 * @static
3913 * @method _onMove
3914 * @param {Number} x
3915 * @param {Number} y
3916 * @private
3917 */
3918TouchInput._onMove = function(x, y) {
3919    this._events.moved = true;
3920    this._x = x;
3921    this._y = y;
3922};
3923
3924/**
3925 * @static
3926 * @method _onRelease
3927 * @param {Number} x
3928 * @param {Number} y
3929 * @private
3930 */
3931TouchInput._onRelease = function(x, y) {
3932    this._events.released = true;
3933    this._x = x;
3934    this._y = y;
3935};
3936
3937//-----------------------------------------------------------------------------
3938/**
3939 * The basic object that is rendered to the game screen.
3940 *
3941 * @class Sprite
3942 * @constructor
3943 * @param {Bitmap} bitmap The image for the sprite
3944 */
3945function Sprite() {
3946    this.initialize.apply(this, arguments);
3947}
3948
3949Sprite.prototype = Object.create(PIXI.Sprite.prototype);
3950Sprite.prototype.constructor = Sprite;
3951
3952Sprite.voidFilter = new PIXI.filters.VoidFilter();
3953
3954Sprite.prototype.initialize = function(bitmap) {
3955    var texture = new PIXI.Texture(new PIXI.BaseTexture());
3956
3957    PIXI.Sprite.call(this, texture);
3958
3959    this._bitmap = null;
3960    this._frame = new Rectangle();
3961    this._realFrame = new Rectangle();
3962    this._blendColor = [0, 0, 0, 0];
3963    this._colorTone = [0, 0, 0, 0];
3964    this._canvas = null;
3965    this._context = null;
3966    this._tintTexture = null;
3967
3968    /**
3969     * use heavy renderer that will reduce border artifacts and apply advanced blendModes
3970     * @type {boolean}
3971     * @private
3972     */
3973    this._isPicture = false;
3974
3975    this.spriteId = Sprite._counter++;
3976    this.opaque = false;
3977
3978    this.bitmap = bitmap;
3979};
3980
3981// Number of the created objects.
3982Sprite._counter = 0;
3983
3984/**
3985 * The image for the sprite.
3986 *
3987 * @property bitmap
3988 * @type Bitmap
3989 */
3990Object.defineProperty(Sprite.prototype, 'bitmap', {
3991    get: function() {
3992        return this._bitmap;
3993    },
3994    set: function(value) {
3995        if (this._bitmap !== value) {
3996            this._bitmap = value;
3997
3998            if(value){
3999                this._refreshFrame = true;
4000                value.addLoadListener(this._onBitmapLoad.bind(this));
4001            }else{
4002                this._refreshFrame = false;
4003                this.texture.frame = Rectangle.emptyRectangle;
4004            }
4005        }
4006    },
4007    configurable: true
4008});
4009
4010/**
4011 * The width of the sprite without the scale.
4012 *
4013 * @property width
4014 * @type Number
4015 */
4016Object.defineProperty(Sprite.prototype, 'width', {
4017    get: function() {
4018        return this._frame.width;
4019    },
4020    set: function(value) {
4021        this._frame.width = value;
4022        this._refresh();
4023    },
4024    configurable: true
4025});
4026
4027/**
4028 * The height of the sprite without the scale.
4029 *
4030 * @property height
4031 * @type Number
4032 */
4033Object.defineProperty(Sprite.prototype, 'height', {
4034    get: function() {
4035        return this._frame.height;
4036    },
4037    set: function(value) {
4038        this._frame.height = value;
4039        this._refresh();
4040    },
4041    configurable: true
4042});
4043
4044/**
4045 * The opacity of the sprite (0 to 255).
4046 *
4047 * @property opacity
4048 * @type Number
4049 */
4050Object.defineProperty(Sprite.prototype, 'opacity', {
4051    get: function() {
4052        return this.alpha * 255;
4053    },
4054    set: function(value) {
4055        this.alpha = value.clamp(0, 255) / 255;
4056    },
4057    configurable: true
4058});
4059
4060/**
4061 * Updates the sprite for each frame.
4062 *
4063 * @method update
4064 */
4065Sprite.prototype.update = function() {
4066    this.children.forEach(function(child) {
4067        if (child.update) {
4068            child.update();
4069        }
4070    });
4071};
4072
4073/**
4074 * Sets the x and y at once.
4075 *
4076 * @method move
4077 * @param {Number} x The x coordinate of the sprite
4078 * @param {Number} y The y coordinate of the sprite
4079 */
4080Sprite.prototype.move = function(x, y) {
4081    this.x = x;
4082    this.y = y;
4083};
4084
4085/**
4086 * Sets the rectagle of the bitmap that the sprite displays.
4087 *
4088 * @method setFrame
4089 * @param {Number} x The x coordinate of the frame
4090 * @param {Number} y The y coordinate of the frame
4091 * @param {Number} width The width of the frame
4092 * @param {Number} height The height of the frame
4093 */
4094Sprite.prototype.setFrame = function(x, y, width, height) {
4095    this._refreshFrame = false;
4096    var frame = this._frame;
4097    if (x !== frame.x || y !== frame.y ||
4098            width !== frame.width || height !== frame.height) {
4099        frame.x = x;
4100        frame.y = y;
4101        frame.width = width;
4102        frame.height = height;
4103        this._refresh();
4104    }
4105};
4106
4107/**
4108 * Gets the blend color for the sprite.
4109 *
4110 * @method getBlendColor
4111 * @return {Array} The blend color [r, g, b, a]
4112 */
4113Sprite.prototype.getBlendColor = function() {
4114    return this._blendColor.clone();
4115};
4116
4117/**
4118 * Sets the blend color for the sprite.
4119 *
4120 * @method setBlendColor
4121 * @param {Array} color The blend color [r, g, b, a]
4122 */
4123Sprite.prototype.setBlendColor = function(color) {
4124    if (!(color instanceof Array)) {
4125        throw new Error('Argument must be an array');
4126    }
4127    if (!this._blendColor.equals(color)) {
4128        this._blendColor = color.clone();
4129        this._refresh();
4130    }
4131};
4132
4133/**
4134 * Gets the color tone for the sprite.
4135 *
4136 * @method getColorTone
4137 * @return {Array} The color tone [r, g, b, gray]
4138 */
4139Sprite.prototype.getColorTone = function() {
4140    return this._colorTone.clone();
4141};
4142
4143/**
4144 * Sets the color tone for the sprite.
4145 *
4146 * @method setColorTone
4147 * @param {Array} tone The color tone [r, g, b, gray]
4148 */
4149Sprite.prototype.setColorTone = function(tone) {
4150    if (!(tone instanceof Array)) {
4151        throw new Error('Argument must be an array');
4152    }
4153    if (!this._colorTone.equals(tone)) {
4154        this._colorTone = tone.clone();
4155        this._refresh();
4156    }
4157};
4158
4159/**
4160 * @method _onBitmapLoad
4161 * @private
4162 */
4163Sprite.prototype._onBitmapLoad = function(bitmapLoaded) {
4164    if(bitmapLoaded === this._bitmap){
4165        if (this._refreshFrame && this._bitmap) {
4166            this._refreshFrame = false;
4167            this._frame.width = this._bitmap.width;
4168            this._frame.height = this._bitmap.height;
4169        }
4170    }
4171
4172    this._refresh();
4173};
4174
4175/**
4176 * @method _refresh
4177 * @private
4178 */
4179Sprite.prototype._refresh = function() {
4180    var frameX = Math.floor(this._frame.x);
4181    var frameY = Math.floor(this._frame.y);
4182    var frameW = Math.floor(this._frame.width);
4183    var frameH = Math.floor(this._frame.height);
4184    var bitmapW = this._bitmap ? this._bitmap.width : 0;
4185    var bitmapH = this._bitmap ? this._bitmap.height : 0;
4186    var realX = frameX.clamp(0, bitmapW);
4187    var realY = frameY.clamp(0, bitmapH);
4188    var realW = (frameW - realX + frameX).clamp(0, bitmapW - realX);
4189    var realH = (frameH - realY + frameY).clamp(0, bitmapH - realY);
4190
4191    this._realFrame.x = realX;
4192    this._realFrame.y = realY;
4193    this._realFrame.width = realW;
4194    this._realFrame.height = realH;
4195    this.pivot.x = frameX - realX;
4196    this.pivot.y = frameY - realY;
4197
4198    if (realW > 0 && realH > 0) {
4199        if (this._needsTint()) {
4200            this._createTinter(realW, realH);
4201            this._executeTint(realX, realY, realW, realH);
4202            this._tintTexture.update();
4203            this.texture.baseTexture = this._tintTexture;
4204            this.texture.frame = new Rectangle(0, 0, realW, realH);
4205        } else {
4206            if (this._bitmap) {
4207                this.texture.baseTexture = this._bitmap.baseTexture;
4208            }
4209            this.texture.frame = this._realFrame;
4210        }
4211    } else if (this._bitmap) {
4212        this.texture.frame = Rectangle.emptyRectangle;
4213    } else {
4214        this.texture.baseTexture.width = Math.max(this.texture.baseTexture.width, this._frame.x + this._frame.width);
4215        this.texture.baseTexture.height = Math.max(this.texture.baseTexture.height, this._frame.y + this._frame.height);
4216        this.texture.frame = this._frame;
4217    }
4218    this.texture._updateID++;
4219};
4220
4221/**
4222 * @method _isInBitmapRect
4223 * @param {Number} x
4224 * @param {Number} y
4225 * @param {Number} w
4226 * @param {Number} h
4227 * @return {Boolean}
4228 * @private
4229 */
4230Sprite.prototype._isInBitmapRect = function(x, y, w, h) {
4231    return (this._bitmap && x + w > 0 && y + h > 0 &&
4232            x < this._bitmap.width && y < this._bitmap.height);
4233};
4234
4235/**
4236 * @method _needsTint
4237 * @return {Boolean}
4238 * @private
4239 */
4240Sprite.prototype._needsTint = function() {
4241    var tone = this._colorTone;
4242    return tone[0] || tone[1] || tone[2] || tone[3] || this._blendColor[3] > 0;
4243};
4244
4245/**
4246 * @method _createTinter
4247 * @param {Number} w
4248 * @param {Number} h
4249 * @private
4250 */
4251Sprite.prototype._createTinter = function(w, h) {
4252    if (!this._canvas) {
4253        this._canvas = document.createElement('canvas');
4254        this._context = this._canvas.getContext('2d');
4255    }
4256
4257    this._canvas.width = w;
4258    this._canvas.height = h;
4259
4260    if (!this._tintTexture) {
4261        this._tintTexture = new PIXI.BaseTexture(this._canvas);
4262    }
4263
4264    this._tintTexture.width = w;
4265    this._tintTexture.height = h;
4266    this._tintTexture.scaleMode = this._bitmap.baseTexture.scaleMode;
4267};
4268
4269/**
4270 * @method _executeTint
4271 * @param {Number} x
4272 * @param {Number} y
4273 * @param {Number} w
4274 * @param {Number} h
4275 * @private
4276 */
4277Sprite.prototype._executeTint = function(x, y, w, h) {
4278    var context = this._context;
4279    var tone = this._colorTone;
4280    var color = this._blendColor;
4281
4282    context.globalCompositeOperation = 'copy';
4283    context.drawImage(this._bitmap.canvas, x, y, w, h, 0, 0, w, h);
4284
4285    if (Graphics.canUseSaturationBlend()) {
4286        var gray = Math.max(0, tone[3]);
4287        context.globalCompositeOperation = 'saturation';
4288        context.fillStyle = 'rgba(255,255,255,' + gray / 255 + ')';
4289        context.fillRect(0, 0, w, h);
4290    }
4291
4292    var r1 = Math.max(0, tone[0]);
4293    var g1 = Math.max(0, tone[1]);
4294    var b1 = Math.max(0, tone[2]);
4295    context.globalCompositeOperation = 'lighter';
4296    context.fillStyle = Utils.rgbToCssColor(r1, g1, b1);
4297    context.fillRect(0, 0, w, h);
4298
4299    if (Graphics.canUseDifferenceBlend()) {
4300        context.globalCompositeOperation = 'difference';
4301        context.fillStyle = 'white';
4302        context.fillRect(0, 0, w, h);
4303
4304        var r2 = Math.max(0, -tone[0]);
4305        var g2 = Math.max(0, -tone[1]);
4306        var b2 = Math.max(0, -tone[2]);
4307        context.globalCompositeOperation = 'lighter';
4308        context.fillStyle = Utils.rgbToCssColor(r2, g2, b2);
4309        context.fillRect(0, 0, w, h);
4310
4311        context.globalCompositeOperation = 'difference';
4312        context.fillStyle = 'white';
4313        context.fillRect(0, 0, w, h);
4314    }
4315
4316    var r3 = Math.max(0, color[0]);
4317    var g3 = Math.max(0, color[1]);
4318    var b3 = Math.max(0, color[2]);
4319    var a3 = Math.max(0, color[3]);
4320    context.globalCompositeOperation = 'source-atop';
4321    context.fillStyle = Utils.rgbToCssColor(r3, g3, b3);
4322    context.globalAlpha = a3 / 255;
4323    context.fillRect(0, 0, w, h);
4324
4325    context.globalCompositeOperation = 'destination-in';
4326    context.globalAlpha = 1;
4327    context.drawImage(this._bitmap.canvas, x, y, w, h, 0, 0, w, h);
4328};
4329
4330Sprite.prototype._renderCanvas_PIXI = PIXI.Sprite.prototype._renderCanvas;
4331Sprite.prototype._renderWebGL_PIXI = PIXI.Sprite.prototype._renderWebGL;
4332
4333/**
4334 * @method _renderCanvas
4335 * @param {Object} renderer
4336 * @private
4337 */
4338Sprite.prototype._renderCanvas = function(renderer) {
4339    if (this.bitmap) {
4340        this.bitmap.touch();
4341    }
4342    if(this.bitmap && !this.bitmap.isReady()){
4343        return;
4344    }
4345
4346    if (this.texture.frame.width > 0 && this.texture.frame.height > 0) {
4347        this._renderCanvas_PIXI(renderer);
4348    }
4349};
4350
4351/**
4352 * checks if we need to speed up custom blendmodes
4353 * @param renderer
4354 * @private
4355 */
4356Sprite.prototype._speedUpCustomBlendModes = function(renderer) {
4357    var picture = renderer.plugins.picture;
4358    var blend = this.blendMode;
4359    if (renderer.renderingToScreen && renderer._activeRenderTarget.root) {
4360        if (picture.drawModes[blend]) {
4361            var stage = renderer._lastObjectRendered;
4362            var f = stage._filters;
4363            if (!f || !f[0]) {
4364                setTimeout(function () {
4365                    var f = stage._filters;
4366                    if (!f || !f[0]) {
4367                        stage.filters = [Sprite.voidFilter];
4368                        stage.filterArea = new PIXI.Rectangle(0, 0, Graphics.width, Graphics.height);
4369                    }
4370                }, 0);
4371            }
4372        }
4373    }
4374};
4375
4376/**
4377 * @method _renderWebGL
4378 * @param {Object} renderer
4379 * @private
4380 */
4381Sprite.prototype._renderWebGL = function(renderer) {
4382    if (this.bitmap) {
4383        this.bitmap.touch();
4384    }
4385    if(this.bitmap && !this.bitmap.isReady()){
4386        return;
4387    }
4388    if (this.texture.frame.width > 0 && this.texture.frame.height > 0) {
4389        if (this._bitmap) {
4390            this._bitmap.checkDirty();
4391        }
4392
4393        //copy of pixi-v4 internal code
4394        this.calculateVertices();
4395
4396        if (this.pluginName === 'sprite' && this._isPicture) {
4397            // use heavy renderer, which reduces artifacts and applies corrent blendMode,
4398            // but does not use multitexture optimization
4399            this._speedUpCustomBlendModes(renderer);
4400            renderer.setObjectRenderer(renderer.plugins.picture);
4401            renderer.plugins.picture.render(this);
4402        } else {
4403            // use pixi super-speed renderer
4404            renderer.setObjectRenderer(renderer.plugins[this.pluginName]);
4405			renderer.plugins[this.pluginName].render(this);
4406        }
4407    }
4408};
4409
4410// The important members from Pixi.js
4411
4412/**
4413 * The visibility of the sprite.
4414 *
4415 * @property visible
4416 * @type Boolean
4417 */
4418
4419/**
4420 * The x coordinate of the sprite.
4421 *
4422 * @property x
4423 * @type Number
4424 */
4425
4426/**
4427 * The y coordinate of the sprite.
4428 *
4429 * @property y
4430 * @type Number
4431 */
4432
4433/**
4434 * The origin point of the sprite. (0,0) to (1,1).
4435 *
4436 * @property anchor
4437 * @type Point
4438 */
4439
4440/**
4441 * The scale factor of the sprite.
4442 *
4443 * @property scale
4444 * @type Point
4445 */
4446
4447/**
4448 * The rotation of the sprite in radians.
4449 *
4450 * @property rotation
4451 * @type Number
4452 */
4453
4454/**
4455 * The blend mode to be applied to the sprite.
4456 *
4457 * @property blendMode
4458 * @type Number
4459 */
4460
4461/**
4462 * Sets the filters for the sprite.
4463 *
4464 * @property filters
4465 * @type Array
4466 */
4467
4468/**
4469 * [read-only] The array of children of the sprite.
4470 *
4471 * @property children
4472 * @type Array
4473 */
4474
4475/**
4476 * [read-only] The object that contains the sprite.
4477 *
4478 * @property parent
4479 * @type Object
4480 */
4481
4482/**
4483 * Adds a child to the container.
4484 *
4485 * @method addChild
4486 * @param {Object} child The child to add
4487 * @return {Object} The child that was added
4488 */
4489
4490/**
4491 * Adds a child to the container at a specified index.
4492 *
4493 * @method addChildAt
4494 * @param {Object} child The child to add
4495 * @param {Number} index The index to place the child in
4496 * @return {Object} The child that was added
4497 */
4498
4499/**
4500 * Removes a child from the container.
4501 *
4502 * @method removeChild
4503 * @param {Object} child The child to remove
4504 * @return {Object} The child that was removed
4505 */
4506
4507/**
4508 * Removes a child from the specified index position.
4509 *
4510 * @method removeChildAt
4511 * @param {Number} index The index to get the child from
4512 * @return {Object} The child that was removed
4513 */
4514
4515//-----------------------------------------------------------------------------
4516/**
4517 * The tilemap which displays 2D tile-based game map.
4518 *
4519 * @class Tilemap
4520 * @constructor
4521 */
4522function Tilemap() {
4523    this.initialize.apply(this, arguments);
4524}
4525
4526Tilemap.prototype = Object.create(PIXI.Container.prototype);
4527Tilemap.prototype.constructor = Tilemap;
4528
4529Tilemap.prototype.initialize = function() {
4530    PIXI.Container.call(this);
4531
4532    this._margin = 20;
4533    this._width = Graphics.width + this._margin * 2;
4534    this._height = Graphics.height + this._margin * 2;
4535    this._tileWidth = 48;
4536    this._tileHeight = 48;
4537    this._mapWidth = 0;
4538    this._mapHeight = 0;
4539    this._mapData = null;
4540    this._layerWidth = 0;
4541    this._layerHeight = 0;
4542    this._lastTiles = [];
4543
4544    /**
4545     * The bitmaps used as a tileset.
4546     *
4547     * @property bitmaps
4548     * @type Array
4549     */
4550    this.bitmaps = [];
4551
4552    /**
4553     * The origin point of the tilemap for scrolling.
4554     *
4555     * @property origin
4556     * @type Point
4557     */
4558    this.origin = new Point();
4559
4560    /**
4561     * The tileset flags.
4562     *
4563     * @property flags
4564     * @type Array
4565     */
4566    this.flags = [];
4567
4568    /**
4569     * The animation count for autotiles.
4570     *
4571     * @property animationCount
4572     * @type Number
4573     */
4574    this.animationCount = 0;
4575
4576    /**
4577     * Whether the tilemap loops horizontal.
4578     *
4579     * @property horizontalWrap
4580     * @type Boolean
4581     */
4582    this.horizontalWrap = false;
4583
4584    /**
4585     * Whether the tilemap loops vertical.
4586     *
4587     * @property verticalWrap
4588     * @type Boolean
4589     */
4590    this.verticalWrap = false;
4591
4592    this._createLayers();
4593    this.refresh();
4594};
4595
4596/**
4597 * The width of the screen in pixels.
4598 *
4599 * @property width
4600 * @type Number
4601 */
4602Object.defineProperty(Tilemap.prototype, 'width', {
4603    get: function() {
4604        return this._width;
4605    },
4606    set: function(value) {
4607        if (this._width !== value) {
4608            this._width = value;
4609            this._createLayers();
4610        }
4611    }
4612});
4613
4614/**
4615 * The height of the screen in pixels.
4616 *
4617 * @property height
4618 * @type Number
4619 */
4620Object.defineProperty(Tilemap.prototype, 'height', {
4621    get: function() {
4622        return this._height;
4623    },
4624    set: function(value) {
4625        if (this._height !== value) {
4626            this._height = value;
4627            this._createLayers();
4628        }
4629    }
4630});
4631
4632/**
4633 * The width of a tile in pixels.
4634 *
4635 * @property tileWidth
4636 * @type Number
4637 */
4638Object.defineProperty(Tilemap.prototype, 'tileWidth', {
4639    get: function() {
4640        return this._tileWidth;
4641    },
4642    set: function(value) {
4643        if (this._tileWidth !== value) {
4644            this._tileWidth = value;
4645            this._createLayers();
4646        }
4647    }
4648});
4649
4650/**
4651 * The height of a tile in pixels.
4652 *
4653 * @property tileHeight
4654 * @type Number
4655 */
4656Object.defineProperty(Tilemap.prototype, 'tileHeight', {
4657    get: function() {
4658        return this._tileHeight;
4659    },
4660    set: function(value) {
4661        if (this._tileHeight !== value) {
4662            this._tileHeight = value;
4663            this._createLayers();
4664        }
4665    }
4666});
4667
4668/**
4669 * Sets the tilemap data.
4670 *
4671 * @method setData
4672 * @param {Number} width The width of the map in number of tiles
4673 * @param {Number} height The height of the map in number of tiles
4674 * @param {Array} data The one dimensional array for the map data
4675 */
4676Tilemap.prototype.setData = function(width, height, data) {
4677    this._mapWidth = width;
4678    this._mapHeight = height;
4679    this._mapData = data;
4680};
4681
4682/**
4683 * Checks whether the tileset is ready to render.
4684 *
4685 * @method isReady
4686 * @type Boolean
4687 * @return {Boolean} True if the tilemap is ready
4688 */
4689Tilemap.prototype.isReady = function() {
4690    for (var i = 0; i < this.bitmaps.length; i++) {
4691        if (this.bitmaps[i] && !this.bitmaps[i].isReady()) {
4692            return false;
4693        }
4694    }
4695    return true;
4696};
4697
4698/**
4699 * Updates the tilemap for each frame.
4700 *
4701 * @method update
4702 */
4703Tilemap.prototype.update = function() {
4704    this.animationCount++;
4705    this.animationFrame = Math.floor(this.animationCount / 30);
4706    this.children.forEach(function(child) {
4707        if (child.update) {
4708            child.update();
4709        }
4710    });
4711    for (var i=0; i<this.bitmaps.length;i++) {
4712        if (this.bitmaps[i]) {
4713            this.bitmaps[i].touch();
4714        }
4715    }
4716};
4717
4718/**
4719 * Forces to repaint the entire tilemap.
4720 *
4721 * @method refresh
4722 */
4723Tilemap.prototype.refresh = function() {
4724    this._lastTiles.length = 0;
4725};
4726
4727/**
4728 * Forces to refresh the tileset
4729 *
4730 * @method refresh
4731 */
4732Tilemap.prototype.refreshTileset = function() {
4733
4734};
4735
4736/**
4737 * @method updateTransform
4738 * @private
4739 */
4740Tilemap.prototype.updateTransform = function() {
4741    var ox = Math.floor(this.origin.x);
4742    var oy = Math.floor(this.origin.y);
4743    var startX = Math.floor((ox - this._margin) / this._tileWidth);
4744    var startY = Math.floor((oy - this._margin) / this._tileHeight);
4745    this._updateLayerPositions(startX, startY);
4746    if (this._needsRepaint || this._lastAnimationFrame !== this.animationFrame ||
4747        this._lastStartX !== startX || this._lastStartY !== startY) {
4748        this._frameUpdated = this._lastAnimationFrame !== this.animationFrame;
4749        this._lastAnimationFrame = this.animationFrame;
4750        this._lastStartX = startX;
4751        this._lastStartY = startY;
4752        this._paintAllTiles(startX, startY);
4753        this._needsRepaint = false;
4754    }
4755    this._sortChildren();
4756    PIXI.Container.prototype.updateTransform.call(this);
4757};
4758
4759/**
4760 * @method _createLayers
4761 * @private
4762 */
4763Tilemap.prototype._createLayers = function() {
4764    var width = this._width;
4765    var height = this._height;
4766    var margin = this._margin;
4767    var tileCols = Math.ceil(width / this._tileWidth) + 1;
4768    var tileRows = Math.ceil(height / this._tileHeight) + 1;
4769    var layerWidth = tileCols * this._tileWidth;
4770    var layerHeight = tileRows * this._tileHeight;
4771    this._lowerBitmap = new Bitmap(layerWidth, layerHeight);
4772    this._upperBitmap = new Bitmap(layerWidth, layerHeight);
4773    this._layerWidth = layerWidth;
4774    this._layerHeight = layerHeight;
4775
4776    /*
4777     * Z coordinate:
4778     *
4779     * 0 : Lower tiles
4780     * 1 : Lower characters
4781     * 3 : Normal characters
4782     * 4 : Upper tiles
4783     * 5 : Upper characters
4784     * 6 : Airship shadow
4785     * 7 : Balloon
4786     * 8 : Animation
4787     * 9 : Destination
4788     */
4789
4790    this._lowerLayer = new Sprite();
4791    this._lowerLayer.move(-margin, -margin, width, height);
4792    this._lowerLayer.z = 0;
4793
4794    this._upperLayer = new Sprite();
4795    this._upperLayer.move(-margin, -margin, width, height);
4796    this._upperLayer.z = 4;
4797
4798    for (var i = 0; i < 4; i++) {
4799        this._lowerLayer.addChild(new Sprite(this._lowerBitmap));
4800        this._upperLayer.addChild(new Sprite(this._upperBitmap));
4801    }
4802
4803    this.addChild(this._lowerLayer);
4804    this.addChild(this._upperLayer);
4805};
4806
4807/**
4808 * @method _updateLayerPositions
4809 * @param {Number} startX
4810 * @param {Number} startY
4811 * @private
4812 */
4813Tilemap.prototype._updateLayerPositions = function(startX, startY) {
4814    var m = this._margin;
4815    var ox = Math.floor(this.origin.x);
4816    var oy = Math.floor(this.origin.y);
4817    var x2 = (ox - m).mod(this._layerWidth);
4818    var y2 = (oy - m).mod(this._layerHeight);
4819    var w1 = this._layerWidth - x2;
4820    var h1 = this._layerHeight - y2;
4821    var w2 = this._width - w1;
4822    var h2 = this._height - h1;
4823
4824    for (var i = 0; i < 2; i++) {
4825        var children;
4826        if (i === 0) {
4827            children = this._lowerLayer.children;
4828        } else {
4829            children = this._upperLayer.children;
4830        }
4831        children[0].move(0, 0, w1, h1);
4832        children[0].setFrame(x2, y2, w1, h1);
4833        children[1].move(w1, 0, w2, h1);
4834        children[1].setFrame(0, y2, w2, h1);
4835        children[2].move(0, h1, w1, h2);
4836        children[2].setFrame(x2, 0, w1, h2);
4837        children[3].move(w1, h1, w2, h2);
4838        children[3].setFrame(0, 0, w2, h2);
4839    }
4840};
4841
4842/**
4843 * @method _paintAllTiles
4844 * @param {Number} startX
4845 * @param {Number} startY
4846 * @private
4847 */
4848Tilemap.prototype._paintAllTiles = function(startX, startY) {
4849    var tileCols = Math.ceil(this._width / this._tileWidth) + 1;
4850    var tileRows = Math.ceil(this._height / this._tileHeight) + 1;
4851    for (var y = 0; y < tileRows; y++) {
4852        for (var x = 0; x < tileCols; x++) {
4853            this._paintTiles(startX, startY, x, y);
4854        }
4855    }
4856};
4857
4858/**
4859 * @method _paintTiles
4860 * @param {Number} startX
4861 * @param {Number} startY
4862 * @param {Number} x
4863 * @param {Number} y
4864 * @private
4865 */
4866Tilemap.prototype._paintTiles = function(startX, startY, x, y) {
4867    var tableEdgeVirtualId = 10000;
4868    var mx = startX + x;
4869    var my = startY + y;
4870    var dx = (mx * this._tileWidth).mod(this._layerWidth);
4871    var dy = (my * this._tileHeight).mod(this._layerHeight);
4872    var lx = dx / this._tileWidth;
4873    var ly = dy / this._tileHeight;
4874    var tileId0 = this._readMapData(mx, my, 0);
4875    var tileId1 = this._readMapData(mx, my, 1);
4876    var tileId2 = this._readMapData(mx, my, 2);
4877    var tileId3 = this._readMapData(mx, my, 3);
4878    var shadowBits = this._readMapData(mx, my, 4);
4879    var upperTileId1 = this._readMapData(mx, my - 1, 1);
4880    var lowerTiles = [];
4881    var upperTiles = [];
4882
4883    if (this._isHigherTile(tileId0)) {
4884        upperTiles.push(tileId0);
4885    } else {
4886        lowerTiles.push(tileId0);
4887    }
4888    if (this._isHigherTile(tileId1)) {
4889        upperTiles.push(tileId1);
4890    } else {
4891        lowerTiles.push(tileId1);
4892    }
4893
4894    lowerTiles.push(-shadowBits);
4895
4896    if (this._isTableTile(upperTileId1) && !this._isTableTile(tileId1)) {
4897        if (!Tilemap.isShadowingTile(tileId0)) {
4898            lowerTiles.push(tableEdgeVirtualId + upperTileId1);
4899        }
4900    }
4901
4902    if (this._isOverpassPosition(mx, my)) {
4903        upperTiles.push(tileId2);
4904        upperTiles.push(tileId3);
4905    } else {
4906        if (this._isHigherTile(tileId2)) {
4907            upperTiles.push(tileId2);
4908        } else {
4909            lowerTiles.push(tileId2);
4910        }
4911        if (this._isHigherTile(tileId3)) {
4912            upperTiles.push(tileId3);
4913        } else {
4914            lowerTiles.push(tileId3);
4915        }
4916    }
4917
4918    var lastLowerTiles = this._readLastTiles(0, lx, ly);
4919    if (!lowerTiles.equals(lastLowerTiles) ||
4920            (Tilemap.isTileA1(tileId0) && this._frameUpdated)) {
4921        this._lowerBitmap.clearRect(dx, dy, this._tileWidth, this._tileHeight);
4922        for (var i = 0; i < lowerTiles.length; i++) {
4923            var lowerTileId = lowerTiles[i];
4924            if (lowerTileId < 0) {
4925                this._drawShadow(this._lowerBitmap, shadowBits, dx, dy);
4926            } else if (lowerTileId >= tableEdgeVirtualId) {
4927                this._drawTableEdge(this._lowerBitmap, upperTileId1, dx, dy);
4928            } else {
4929                this._drawTile(this._lowerBitmap, lowerTileId, dx, dy);
4930            }
4931        }
4932        this._writeLastTiles(0, lx, ly, lowerTiles);
4933    }
4934
4935    var lastUpperTiles = this._readLastTiles(1, lx, ly);
4936    if (!upperTiles.equals(lastUpperTiles)) {
4937        this._upperBitmap.clearRect(dx, dy, this._tileWidth, this._tileHeight);
4938        for (var j = 0; j < upperTiles.length; j++) {
4939            this._drawTile(this._upperBitmap, upperTiles[j], dx, dy);
4940        }
4941        this._writeLastTiles(1, lx, ly, upperTiles);
4942    }
4943};
4944
4945/**
4946 * @method _readLastTiles
4947 * @param {Number} i
4948 * @param {Number} x
4949 * @param {Number} y
4950 * @private
4951 */
4952Tilemap.prototype._readLastTiles = function(i, x, y) {
4953    var array1 = this._lastTiles[i];
4954    if (array1) {
4955        var array2 = array1[y];
4956        if (array2) {
4957            var tiles = array2[x];
4958            if (tiles) {
4959                return tiles;
4960            }
4961        }
4962    }
4963    return [];
4964};
4965
4966/**
4967 * @method _writeLastTiles
4968 * @param {Number} i
4969 * @param {Number} x
4970 * @param {Number} y
4971 * @param {Array} tiles
4972 * @private
4973 */
4974Tilemap.prototype._writeLastTiles = function(i, x, y, tiles) {
4975    var array1 = this._lastTiles[i];
4976    if (!array1) {
4977        array1 = this._lastTiles[i] = [];
4978    }
4979    var array2 = array1[y];
4980    if (!array2) {
4981        array2 = array1[y] = [];
4982    }
4983    array2[x] = tiles;
4984};
4985
4986/**
4987 * @method _drawTile
4988 * @param {Bitmap} bitmap
4989 * @param {Number} tileId
4990 * @param {Number} dx
4991 * @param {Number} dy
4992 * @private
4993 */
4994Tilemap.prototype._drawTile = function(bitmap, tileId, dx, dy) {
4995    if (Tilemap.isVisibleTile(tileId)) {
4996        if (Tilemap.isAutotile(tileId)) {
4997            this._drawAutotile(bitmap, tileId, dx, dy);
4998        } else {
4999            this._drawNormalTile(bitmap, tileId, dx, dy);
5000        }
5001    }
5002};
5003
5004/**
5005 * @method _drawNormalTile
5006 * @param {Bitmap} bitmap
5007 * @param {Number} tileId
5008 * @param {Number} dx
5009 * @param {Number} dy
5010 * @private
5011 */
5012Tilemap.prototype._drawNormalTile = function(bitmap, tileId, dx, dy) {
5013    var setNumber = 0;
5014
5015    if (Tilemap.isTileA5(tileId)) {
5016        setNumber = 4;
5017    } else {
5018        setNumber = 5 + Math.floor(tileId / 256);
5019    }
5020
5021    var w = this._tileWidth;
5022    var h = this._tileHeight;
5023    var sx = (Math.floor(tileId / 128) % 2 * 8 + tileId % 8) * w;
5024    var sy = (Math.floor(tileId % 256 / 8) % 16) * h;
5025
5026    var source = this.bitmaps[setNumber];
5027    if (source) {
5028        bitmap.bltImage(source, sx, sy, w, h, dx, dy, w, h);
5029    }
5030};
5031
5032/**
5033 * @method _drawAutotile
5034 * @param {Bitmap} bitmap
5035 * @param {Number} tileId
5036 * @param {Number} dx
5037 * @param {Number} dy
5038 * @private
5039 */
5040Tilemap.prototype._drawAutotile = function(bitmap, tileId, dx, dy) {
5041    var autotileTable = Tilemap.FLOOR_AUTOTILE_TABLE;
5042    var kind = Tilemap.getAutotileKind(tileId);
5043    var shape = Tilemap.getAutotileShape(tileId);
5044    var tx = kind % 8;
5045    var ty = Math.floor(kind / 8);
5046    var bx = 0;
5047    var by = 0;
5048    var setNumber = 0;
5049    var isTable = false;
5050
5051    if (Tilemap.isTileA1(tileId)) {
5052        var waterSurfaceIndex = [0, 1, 2, 1][this.animationFrame % 4];
5053        setNumber = 0;
5054        if (kind === 0) {
5055            bx = waterSurfaceIndex * 2;
5056            by = 0;
5057        } else if (kind === 1) {
5058            bx = waterSurfaceIndex * 2;
5059            by = 3;
5060        } else if (kind === 2) {
5061            bx = 6;
5062            by = 0;
5063        } else if (kind === 3) {
5064            bx = 6;
5065            by = 3;
5066        } else {
5067            bx = Math.floor(tx / 4) * 8;
5068            by = ty * 6 + Math.floor(tx / 2) % 2 * 3;
5069            if (kind % 2 === 0) {
5070                bx += waterSurfaceIndex * 2;
5071            }
5072            else {
5073                bx += 6;
5074                autotileTable = Tilemap.WATERFALL_AUTOTILE_TABLE;
5075                by += this.animationFrame % 3;
5076            }
5077        }
5078    } else if (Tilemap.isTileA2(tileId)) {
5079        setNumber = 1;
5080        bx = tx * 2;
5081        by = (ty - 2) * 3;
5082        isTable = this._isTableTile(tileId);
5083    } else if (Tilemap.isTileA3(tileId)) {
5084        setNumber = 2;
5085        bx = tx * 2;
5086        by = (ty - 6) * 2;
5087        autotileTable = Tilemap.WALL_AUTOTILE_TABLE;
5088    } else if (Tilemap.isTileA4(tileId)) {
5089        setNumber = 3;
5090        bx = tx * 2;
5091        by = Math.floor((ty - 10) * 2.5 + (ty % 2 === 1 ? 0.5 : 0));
5092        if (ty % 2 === 1) {
5093            autotileTable = Tilemap.WALL_AUTOTILE_TABLE;
5094        }
5095    }
5096
5097    var table = autotileTable[shape];
5098    var source = this.bitmaps[setNumber];
5099
5100    if (table && source) {
5101        var w1 = this._tileWidth / 2;
5102        var h1 = this._tileHeight / 2;
5103        for (var i = 0; i < 4; i++) {
5104            var qsx = table[i][0];
5105            var qsy = table[i][1];
5106            var sx1 = (bx * 2 + qsx) * w1;
5107            var sy1 = (by * 2 + qsy) * h1;
5108            var dx1 = dx + (i % 2) * w1;
5109            var dy1 = dy + Math.floor(i / 2) * h1;
5110            if (isTable && (qsy === 1 || qsy === 5)) {
5111                var qsx2 = qsx;
5112                var qsy2 = 3;
5113                if (qsy === 1) {
5114                    qsx2 = [0,3,2,1][qsx];
5115                }
5116                var sx2 = (bx * 2 + qsx2) * w1;
5117                var sy2 = (by * 2 + qsy2) * h1;
5118                bitmap.bltImage(source, sx2, sy2, w1, h1, dx1, dy1, w1, h1);
5119                dy1 += h1/2;
5120                bitmap.bltImage(source, sx1, sy1, w1, h1/2, dx1, dy1, w1, h1/2);
5121            } else {
5122                bitmap.bltImage(source, sx1, sy1, w1, h1, dx1, dy1, w1, h1);
5123            }
5124        }
5125    }
5126};
5127
5128/**
5129 * @method _drawTableEdge
5130 * @param {Bitmap} bitmap
5131 * @param {Number} tileId
5132 * @param {Number} dx
5133 * @param {Number} dy
5134 * @private
5135 */
5136Tilemap.prototype._drawTableEdge = function(bitmap, tileId, dx, dy) {
5137    if (Tilemap.isTileA2(tileId)) {
5138        var autotileTable = Tilemap.FLOOR_AUTOTILE_TABLE;
5139        var kind = Tilemap.getAutotileKind(tileId);
5140        var shape = Tilemap.getAutotileShape(tileId);
5141        var tx = kind % 8;
5142        var ty = Math.floor(kind / 8);
5143        var setNumber = 1;
5144        var bx = tx * 2;
5145        var by = (ty - 2) * 3;
5146        var table = autotileTable[shape];
5147
5148        if (table) {
5149            var source = this.bitmaps[setNumber];
5150            var w1 = this._tileWidth / 2;
5151            var h1 = this._tileHeight / 2;
5152            for (var i = 0; i < 2; i++) {
5153                var qsx = table[2 + i][0];
5154                var qsy = table[2 + i][1];
5155                var sx1 = (bx * 2 + qsx) * w1;
5156                var sy1 = (by * 2 + qsy) * h1 + h1/2;
5157                var dx1 = dx + (i % 2) * w1;
5158                var dy1 = dy + Math.floor(i / 2) * h1;
5159                bitmap.bltImage(source, sx1, sy1, w1, h1/2, dx1, dy1, w1, h1/2);
5160            }
5161        }
5162    }
5163};
5164
5165/**
5166 * @method _drawShadow
5167 * @param {Bitmap} bitmap
5168 * @param {Number} shadowBits
5169 * @param {Number} dx
5170 * @param {Number} dy
5171 * @private
5172 */
5173Tilemap.prototype._drawShadow = function(bitmap, shadowBits, dx, dy) {
5174    if (shadowBits & 0x0f) {
5175        var w1 = this._tileWidth / 2;
5176        var h1 = this._tileHeight / 2;
5177        var color = 'rgba(0,0,0,0.5)';
5178        for (var i = 0; i < 4; i++) {
5179            if (shadowBits & (1 << i)) {
5180                var dx1 = dx + (i % 2) * w1;
5181                var dy1 = dy + Math.floor(i / 2) * h1;
5182                bitmap.fillRect(dx1, dy1, w1, h1, color);
5183            }
5184        }
5185    }
5186};
5187
5188/**
5189 * @method _readMapData
5190 * @param {Number} x
5191 * @param {Number} y
5192 * @param {Number} z
5193 * @return {Number}
5194 * @private
5195 */
5196Tilemap.prototype._readMapData = function(x, y, z) {
5197    if (this._mapData) {
5198        var width = this._mapWidth;
5199        var height = this._mapHeight;
5200        if (this.horizontalWrap) {
5201            x = x.mod(width);
5202        }
5203        if (this.verticalWrap) {
5204            y = y.mod(height);
5205        }
5206        if (x >= 0 && x < width && y >= 0 && y < height) {
5207            return this._mapData[(z * height + y) * width + x] || 0;
5208        } else {
5209            return 0;
5210        }
5211    } else {
5212        return 0;
5213    }
5214};
5215
5216/**
5217 * @method _isHigherTile
5218 * @param {Number} tileId
5219 * @return {Boolean}
5220 * @private
5221 */
5222Tilemap.prototype._isHigherTile = function(tileId) {
5223    return this.flags[tileId] & 0x10;
5224};
5225
5226/**
5227 * @method _isTableTile
5228 * @param {Number} tileId
5229 * @return {Boolean}
5230 * @private
5231 */
5232Tilemap.prototype._isTableTile = function(tileId) {
5233    return Tilemap.isTileA2(tileId) && (this.flags[tileId] & 0x80);
5234};
5235
5236/**
5237 * @method _isOverpassPosition
5238 * @param {Number} mx
5239 * @param {Number} my
5240 * @return {Boolean}
5241 * @private
5242 */
5243Tilemap.prototype._isOverpassPosition = function(mx, my) {
5244    return false;
5245};
5246
5247/**
5248 * @method _sortChildren
5249 * @private
5250 */
5251Tilemap.prototype._sortChildren = function() {
5252    this.children.sort(this._compareChildOrder.bind(this));
5253};
5254
5255/**
5256 * @method _compareChildOrder
5257 * @param {Object} a
5258 * @param {Object} b
5259 * @private
5260 */
5261Tilemap.prototype._compareChildOrder = function(a, b) {
5262    if (a.z !== b.z) {
5263        return a.z - b.z;
5264    } else if (a.y !== b.y) {
5265        return a.y - b.y;
5266    } else {
5267        return a.spriteId - b.spriteId;
5268    }
5269};
5270
5271// Tile type checkers
5272
5273Tilemap.TILE_ID_B      = 0;
5274Tilemap.TILE_ID_C      = 256;
5275Tilemap.TILE_ID_D      = 512;
5276Tilemap.TILE_ID_E      = 768;
5277Tilemap.TILE_ID_A5     = 1536;
5278Tilemap.TILE_ID_A1     = 2048;
5279Tilemap.TILE_ID_A2     = 2816;
5280Tilemap.TILE_ID_A3     = 4352;
5281Tilemap.TILE_ID_A4     = 5888;
5282Tilemap.TILE_ID_MAX    = 8192;
5283
5284Tilemap.isVisibleTile = function(tileId) {
5285    return tileId > 0 && tileId < this.TILE_ID_MAX;
5286};
5287
5288Tilemap.isAutotile = function(tileId) {
5289    return tileId >= this.TILE_ID_A1;
5290};
5291
5292Tilemap.getAutotileKind = function(tileId) {
5293    return Math.floor((tileId - this.TILE_ID_A1) / 48);
5294};
5295
5296Tilemap.getAutotileShape = function(tileId) {
5297    return (tileId - this.TILE_ID_A1) % 48;
5298};
5299
5300Tilemap.makeAutotileId = function(kind, shape) {
5301    return this.TILE_ID_A1 + kind * 48 + shape;
5302};
5303
5304Tilemap.isSameKindTile = function(tileID1, tileID2) {
5305    if (this.isAutotile(tileID1) && this.isAutotile(tileID2)) {
5306        return this.getAutotileKind(tileID1) === this.getAutotileKind(tileID2);
5307    } else {
5308        return tileID1 === tileID2;
5309    }
5310};
5311
5312Tilemap.isTileA1 = function(tileId) {
5313    return tileId >= this.TILE_ID_A1 && tileId < this.TILE_ID_A2;
5314};
5315
5316Tilemap.isTileA2 = function(tileId) {
5317    return tileId >= this.TILE_ID_A2 && tileId < this.TILE_ID_A3;
5318};
5319
5320Tilemap.isTileA3 = function(tileId) {
5321    return tileId >= this.TILE_ID_A3 && tileId < this.TILE_ID_A4;
5322};
5323
5324Tilemap.isTileA4 = function(tileId) {
5325    return tileId >= this.TILE_ID_A4 && tileId < this.TILE_ID_MAX;
5326};
5327
5328Tilemap.isTileA5 = function(tileId) {
5329    return tileId >= this.TILE_ID_A5 && tileId < this.TILE_ID_A1;
5330};
5331
5332Tilemap.isWaterTile = function(tileId) {
5333    if (this.isTileA1(tileId)) {
5334        return !(tileId >= this.TILE_ID_A1 + 96 && tileId < this.TILE_ID_A1 + 192);
5335    } else {
5336        return false;
5337    }
5338};
5339
5340Tilemap.isWaterfallTile = function(tileId) {
5341    if (tileId >= this.TILE_ID_A1 + 192 && tileId < this.TILE_ID_A2) {
5342        return this.getAutotileKind(tileId) % 2 === 1;
5343    } else {
5344        return false;
5345    }
5346};
5347
5348Tilemap.isGroundTile = function(tileId) {
5349    return this.isTileA1(tileId) || this.isTileA2(tileId) || this.isTileA5(tileId);
5350};
5351
5352Tilemap.isShadowingTile = function(tileId) {
5353    return this.isTileA3(tileId) || this.isTileA4(tileId);
5354};
5355
5356Tilemap.isRoofTile = function(tileId) {
5357    return this.isTileA3(tileId) && this.getAutotileKind(tileId) % 16 < 8;
5358};
5359
5360Tilemap.isWallTopTile = function(tileId) {
5361    return this.isTileA4(tileId) && this.getAutotileKind(tileId) % 16 < 8;
5362};
5363
5364Tilemap.isWallSideTile = function(tileId) {
5365    return (this.isTileA3(tileId) || this.isTileA4(tileId)) &&
5366            this.getAutotileKind(tileId) % 16 >= 8;
5367};
5368
5369Tilemap.isWallTile = function(tileId) {
5370    return this.isWallTopTile(tileId) || this.isWallSideTile(tileId);
5371};
5372
5373Tilemap.isFloorTypeAutotile = function(tileId) {
5374    return (this.isTileA1(tileId) && !this.isWaterfallTile(tileId)) ||
5375            this.isTileA2(tileId) || this.isWallTopTile(tileId);
5376};
5377
5378Tilemap.isWallTypeAutotile = function(tileId) {
5379    return this.isRoofTile(tileId) || this.isWallSideTile(tileId);
5380};
5381
5382Tilemap.isWaterfallTypeAutotile = function(tileId) {
5383    return this.isWaterfallTile(tileId);
5384};
5385
5386// Autotile shape number to coordinates of tileset images
5387
5388Tilemap.FLOOR_AUTOTILE_TABLE = [
5389    [[2,4],[1,4],[2,3],[1,3]],[[2,0],[1,4],[2,3],[1,3]],
5390    [[2,4],[3,0],[2,3],[1,3]],[[2,0],[3,0],[2,3],[1,3]],
5391    [[2,4],[1,4],[2,3],[3,1]],[[2,0],[1,4],[2,3],[3,1]],
5392    [[2,4],[3,0],[2,3],[3,1]],[[2,0],[3,0],[2,3],[3,1]],
5393    [[2,4],[1,4],[2,1],[1,3]],[[2,0],[1,4],[2,1],[1,3]],
5394    [[2,4],[3,0],[2,1],[1,3]],[[2,0],[3,0],[2,1],[1,3]],
5395    [[2,4],[1,4],[2,1],[3,1]],[[2,0],[1,4],[2,1],[3,1]],
5396    [[2,4],[3,0],[2,1],[3,1]],[[2,0],[3,0],[2,1],[3,1]],
5397    [[0,4],[1,4],[0,3],[1,3]],[[0,4],[3,0],[0,3],[1,3]],
5398    [[0,4],[1,4],[0,3],[3,1]],[[0,4],[3,0],[0,3],[3,1]],
5399    [[2,2],[1,2],[2,3],[1,3]],[[2,2],[1,2],[2,3],[3,1]],
5400    [[2,2],[1,2],[2,1],[1,3]],[[2,2],[1,2],[2,1],[3,1]],
5401    [[2,4],[3,4],[2,3],[3,3]],[[2,4],[3,4],[2,1],[3,3]],
5402    [[2,0],[3,4],[2,3],[3,3]],[[2,0],[3,4],[2,1],[3,3]],
5403    [[2,4],[1,4],[2,5],[1,5]],[[2,0],[1,4],[2,5],[1,5]],
5404    [[2,4],[3,0],[2,5],[1,5]],[[2,0],[3,0],[2,5],[1,5]],
5405    [[0,4],[3,4],[0,3],[3,3]],[[2,2],[1,2],[2,5],[1,5]],
5406    [[0,2],[1,2],[0,3],[1,3]],[[0,2],[1,2],[0,3],[3,1]],
5407    [[2,2],[3,2],[2,3],[3,3]],[[2,2],[3,2],[2,1],[3,3]],
5408    [[2,4],[3,4],[2,5],[3,5]],[[2,0],[3,4],[2,5],[3,5]],
5409    [[0,4],[1,4],[0,5],[1,5]],[[0,4],[3,0],[0,5],[1,5]],
5410    [[0,2],[3,2],[0,3],[3,3]],[[0,2],[1,2],[0,5],[1,5]],
5411    [[0,4],[3,4],[0,5],[3,5]],[[2,2],[3,2],[2,5],[3,5]],
5412    [[0,2],[3,2],[0,5],[3,5]],[[0,0],[1,0],[0,1],[1,1]]
5413];
5414
5415Tilemap.WALL_AUTOTILE_TABLE = [
5416    [[2,2],[1,2],[2,1],[1,1]],[[0,2],[1,2],[0,1],[1,1]],
5417    [[2,0],[1,0],[2,1],[1,1]],[[0,0],[1,0],[0,1],[1,1]],
5418    [[2,2],[3,2],[2,1],[3,1]],[[0,2],[3,2],[0,1],[3,1]],
5419    [[2,0],[3,0],[2,1],[3,1]],[[0,0],[3,0],[0,1],[3,1]],
5420    [[2,2],[1,2],[2,3],[1,3]],[[0,2],[1,2],[0,3],[1,3]],
5421    [[2,0],[1,0],[2,3],[1,3]],[[0,0],[1,0],[0,3],[1,3]],
5422    [[2,2],[3,2],[2,3],[3,3]],[[0,2],[3,2],[0,3],[3,3]],
5423    [[2,0],[3,0],[2,3],[3,3]],[[0,0],[3,0],[0,3],[3,3]]
5424];
5425
5426Tilemap.WATERFALL_AUTOTILE_TABLE = [
5427    [[2,0],[1,0],[2,1],[1,1]],[[0,0],[1,0],[0,1],[1,1]],
5428    [[2,0],[3,0],[2,1],[3,1]],[[0,0],[3,0],[0,1],[3,1]]
5429];
5430
5431// The important members from Pixi.js
5432
5433/**
5434 * [read-only] The array of children of the tilemap.
5435 *
5436 * @property children
5437 * @type Array
5438 */
5439
5440/**
5441 * [read-only] The object that contains the tilemap.
5442 *
5443 * @property parent
5444 * @type Object
5445 */
5446
5447/**
5448 * Adds a child to the container.
5449 *
5450 * @method addChild
5451 * @param {Object} child The child to add
5452 * @return {Object} The child that was added
5453 */
5454
5455/**
5456 * Adds a child to the container at a specified index.
5457 *
5458 * @method addChildAt
5459 * @param {Object} child The child to add
5460 * @param {Number} index The index to place the child in
5461 * @return {Object} The child that was added
5462 */
5463
5464/**
5465 * Removes a child from the container.
5466 *
5467 * @method removeChild
5468 * @param {Object} child The child to remove
5469 * @return {Object} The child that was removed
5470 */
5471
5472/**
5473 * Removes a child from the specified index position.
5474 *
5475 * @method removeChildAt
5476 * @param {Number} index The index to get the child from
5477 * @return {Object} The child that was removed
5478 */
5479
5480//-----------------------------------------------------------------------------
5481/**
5482 * The tilemap which displays 2D tile-based game map using shaders
5483 *
5484 * @class Tilemap
5485 * @constructor
5486 */
5487function ShaderTilemap() {
5488    Tilemap.apply(this, arguments);
5489    this.roundPixels = true;
5490}
5491
5492ShaderTilemap.prototype = Object.create(Tilemap.prototype);
5493ShaderTilemap.prototype.constructor = ShaderTilemap;
5494
5495// we need this constant for some platforms (Samsung S4, S5, Tab4, HTC One H8)
5496PIXI.glCore.VertexArrayObject.FORCE_NATIVE = true;
5497PIXI.settings.GC_MODE = PIXI.GC_MODES.AUTO;
5498PIXI.tilemap.TileRenderer.SCALE_MODE = PIXI.SCALE_MODES.NEAREST;
5499PIXI.tilemap.TileRenderer.DO_CLEAR = true;
5500
5501/**
5502 * Uploads animation state in renderer
5503 *
5504 * @method _hackRenderer
5505 * @private
5506 */
5507ShaderTilemap.prototype._hackRenderer = function(renderer) {
5508    var af = this.animationFrame % 4;
5509    if (af==3) af = 1;
5510    renderer.plugins.tilemap.tileAnim[0] = af * this._tileWidth;
5511    renderer.plugins.tilemap.tileAnim[1] = (this.animationFrame % 3) * this._tileHeight;
5512    return renderer;
5513};
5514
5515/**
5516 * PIXI render method
5517 *
5518 * @method renderCanvas
5519 * @param {Object} pixi renderer
5520 */
5521ShaderTilemap.prototype.renderCanvas = function(renderer) {
5522    this._hackRenderer(renderer);
5523    PIXI.Container.prototype.renderCanvas.call(this, renderer);
5524};
5525
5526
5527/**
5528 * PIXI render method
5529 *
5530 * @method renderWebGL
5531 * @param {Object} pixi renderer
5532 */
5533ShaderTilemap.prototype.renderWebGL = function(renderer) {
5534    this._hackRenderer(renderer);
5535    PIXI.Container.prototype.renderWebGL.call(this, renderer);
5536};
5537
5538/**
5539 * Forces to repaint the entire tilemap AND update bitmaps list if needed
5540 *
5541 * @method refresh
5542 */
5543ShaderTilemap.prototype.refresh = function() {
5544    if (this._lastBitmapLength !== this.bitmaps.length) {
5545        this._lastBitmapLength = this.bitmaps.length;
5546        this.refreshTileset();
5547    };
5548    this._needsRepaint = true;
5549};
5550
5551/**
5552 * Call after you update tileset
5553 *
5554 * @method updateBitmaps
5555 */
5556ShaderTilemap.prototype.refreshTileset = function() {
5557    var bitmaps = this.bitmaps.map(function(x) { return x._baseTexture ? new PIXI.Texture(x._baseTexture) : x; } );
5558    this.lowerLayer.setBitmaps(bitmaps);
5559    this.upperLayer.setBitmaps(bitmaps);
5560};
5561
5562/**
5563 * @method updateTransform
5564 * @private
5565 */
5566ShaderTilemap.prototype.updateTransform = function() {
5567    if (this.roundPixels) {
5568        var ox = Math.floor(this.origin.x);
5569        var oy = Math.floor(this.origin.y);
5570    } else {
5571        ox = this.origin.x;
5572        oy = this.origin.y;
5573    }
5574    var startX = Math.floor((ox - this._margin) / this._tileWidth);
5575    var startY = Math.floor((oy - this._margin) / this._tileHeight);
5576    this._updateLayerPositions(startX, startY);
5577    if (this._needsRepaint ||
5578        this._lastStartX !== startX || this._lastStartY !== startY) {
5579        this._lastStartX = startX;
5580        this._lastStartY = startY;
5581        this._paintAllTiles(startX, startY);
5582        this._needsRepaint = false;
5583    }
5584    this._sortChildren();
5585    PIXI.Container.prototype.updateTransform.call(this);
5586};
5587
5588/**
5589 * @method _createLayers
5590 * @private
5591 */
5592ShaderTilemap.prototype._createLayers = function() {
5593    var width = this._width;
5594    var height = this._height;
5595    var margin = this._margin;
5596    var tileCols = Math.ceil(width / this._tileWidth) + 1;
5597    var tileRows = Math.ceil(height / this._tileHeight) + 1;
5598    var layerWidth = this._layerWidth = tileCols * this._tileWidth;
5599    var layerHeight = this._layerHeight = tileRows * this._tileHeight;
5600    this._needsRepaint = true;
5601
5602    if (!this.lowerZLayer) {
5603        //@hackerham: create layers only in initialization. Doesn't depend on width/height
5604        this.addChild(this.lowerZLayer = new PIXI.tilemap.ZLayer(this, 0));
5605        this.addChild(this.upperZLayer = new PIXI.tilemap.ZLayer(this, 4));
5606
5607        var parameters = PluginManager.parameters('ShaderTilemap');
5608        var useSquareShader = Number(parameters.hasOwnProperty('squareShader') ? parameters['squareShader'] : 0);
5609
5610        this.lowerZLayer.addChild(this.lowerLayer = new PIXI.tilemap.CompositeRectTileLayer(0, [], useSquareShader));
5611        this.lowerLayer.shadowColor = new Float32Array([0.0, 0.0, 0.0, 0.5]);
5612        this.upperZLayer.addChild(this.upperLayer = new PIXI.tilemap.CompositeRectTileLayer(4, [], useSquareShader));
5613    }
5614};
5615
5616/**
5617 * @method _updateLayerPositions
5618 * @param {Number} startX
5619 * @param {Number} startY
5620 * @private
5621 */
5622ShaderTilemap.prototype._updateLayerPositions = function(startX, startY) {
5623    if (this.roundPixels) {
5624        var ox = Math.floor(this.origin.x);
5625        var oy = Math.floor(this.origin.y);
5626    } else {
5627        ox = this.origin.x;
5628        oy = this.origin.y;
5629    }
5630    this.lowerZLayer.position.x = startX * this._tileWidth - ox;
5631    this.lowerZLayer.position.y = startY * this._tileHeight - oy;
5632    this.upperZLayer.position.x = startX * this._tileWidth - ox;
5633    this.upperZLayer.position.y = startY * this._tileHeight - oy;
5634};
5635
5636/**
5637 * @method _paintAllTiles
5638 * @param {Number} startX
5639 * @param {Number} startY
5640 * @private
5641 */
5642ShaderTilemap.prototype._paintAllTiles = function(startX, startY) {
5643    this.lowerZLayer.clear();
5644    this.upperZLayer.clear();
5645    var tileCols = Math.ceil(this._width / this._tileWidth) + 1;
5646    var tileRows = Math.ceil(this._height / this._tileHeight) + 1;
5647    for (var y = 0; y < tileRows; y++) {
5648        for (var x = 0; x < tileCols; x++) {
5649            this._paintTiles(startX, startY, x, y);
5650        }
5651    }
5652};
5653
5654/**
5655 * @method _paintTiles
5656 * @param {Number} startX
5657 * @param {Number} startY
5658 * @param {Number} x
5659 * @param {Number} y
5660 * @private
5661 */
5662ShaderTilemap.prototype._paintTiles = function(startX, startY, x, y) {
5663    var mx = startX + x;
5664    var my = startY + y;
5665    var dx = x * this._tileWidth, dy = y * this._tileHeight;
5666    var tileId0 = this._readMapData(mx, my, 0);
5667    var tileId1 = this._readMapData(mx, my, 1);
5668    var tileId2 = this._readMapData(mx, my, 2);
5669    var tileId3 = this._readMapData(mx, my, 3);
5670    var shadowBits = this._readMapData(mx, my, 4);
5671    var upperTileId1 = this._readMapData(mx, my - 1, 1);
5672    var lowerLayer = this.lowerLayer.children[0];
5673    var upperLayer = this.upperLayer.children[0];
5674
5675    if (this._isHigherTile(tileId0)) {
5676        this._drawTile(upperLayer, tileId0, dx, dy);
5677    } else {
5678        this._drawTile(lowerLayer, tileId0, dx, dy);
5679    }
5680    if (this._isHigherTile(tileId1)) {
5681        this._drawTile(upperLayer, tileId1, dx, dy);
5682    } else {
5683        this._drawTile(lowerLayer, tileId1, dx, dy);
5684    }
5685
5686    this._drawShadow(lowerLayer, shadowBits, dx, dy);
5687    if (this._isTableTile(upperTileId1) && !this._isTableTile(tileId1)) {
5688        if (!Tilemap.isShadowingTile(tileId0)) {
5689            this._drawTableEdge(lowerLayer, upperTileId1, dx, dy);
5690        }
5691    }
5692
5693    if (this._isOverpassPosition(mx, my)) {
5694        this._drawTile(upperLayer, tileId2, dx, dy);
5695        this._drawTile(upperLayer, tileId3, dx, dy);
5696    } else {
5697        if (this._isHigherTile(tileId2)) {
5698            this._drawTile(upperLayer, tileId2, dx, dy);
5699        } else {
5700            this._drawTile(lowerLayer, tileId2, dx, dy);
5701        }
5702        if (this._isHigherTile(tileId3)) {
5703            this._drawTile(upperLayer, tileId3, dx, dy);
5704        } else {
5705            this._drawTile(lowerLayer, tileId3, dx, dy);
5706        }
5707    }
5708};
5709
5710/**
5711 * @method _drawTile
5712 * @param {Array} layers
5713 * @param {Number} tileId
5714 * @param {Number} dx
5715 * @param {Number} dy
5716 * @private
5717 */
5718ShaderTilemap.prototype._drawTile = function(layer, tileId, dx, dy) {
5719    if (Tilemap.isVisibleTile(tileId)) {
5720        if (Tilemap.isAutotile(tileId)) {
5721            this._drawAutotile(layer, tileId, dx, dy);
5722        } else {
5723            this._drawNormalTile(layer, tileId, dx, dy);
5724        }
5725    }
5726};
5727
5728/**
5729 * @method _drawNormalTile
5730 * @param {Array} layers
5731 * @param {Number} tileId
5732 * @param {Number} dx
5733 * @param {Number} dy
5734 * @private
5735 */
5736ShaderTilemap.prototype._drawNormalTile = function(layer, tileId, dx, dy) {
5737    var setNumber = 0;
5738
5739    if (Tilemap.isTileA5(tileId)) {
5740        setNumber = 4;
5741    } else {
5742        setNumber = 5 + Math.floor(tileId / 256);
5743    }
5744
5745    var w = this._tileWidth;
5746    var h = this._tileHeight;
5747    var sx = (Math.floor(tileId / 128) % 2 * 8 + tileId % 8) * w;
5748    var sy = (Math.floor(tileId % 256 / 8) % 16) * h;
5749
5750    layer.addRect(setNumber, sx, sy, dx, dy, w, h);
5751};
5752
5753/**
5754 * @method _drawAutotile
5755 * @param {Array} layers
5756 * @param {Number} tileId
5757 * @param {Number} dx
5758 * @param {Number} dy
5759 * @private
5760 */
5761ShaderTilemap.prototype._drawAutotile = function(layer, tileId, dx, dy) {
5762    var autotileTable = Tilemap.FLOOR_AUTOTILE_TABLE;
5763    var kind = Tilemap.getAutotileKind(tileId);
5764    var shape = Tilemap.getAutotileShape(tileId);
5765    var tx = kind % 8;
5766    var ty = Math.floor(kind / 8);
5767    var bx = 0;
5768    var by = 0;
5769    var setNumber = 0;
5770    var isTable = false;
5771    var animX = 0, animY = 0;
5772
5773    if (Tilemap.isTileA1(tileId)) {
5774        setNumber = 0;
5775        if (kind === 0) {
5776            animX = 2;
5777            by = 0;
5778        } else if (kind === 1) {
5779            animX = 2;
5780            by = 3;
5781        } else if (kind === 2) {
5782            bx = 6;
5783            by = 0;
5784        } else if (kind === 3) {
5785            bx = 6;
5786            by = 3;
5787        } else {
5788            bx = Math.floor(tx / 4) * 8;
5789            by = ty * 6 + Math.floor(tx / 2) % 2 * 3;
5790            if (kind % 2 === 0) {
5791                animX = 2;
5792            }
5793            else {
5794                bx += 6;
5795                autotileTable = Tilemap.WATERFALL_AUTOTILE_TABLE;
5796                animY = 1;
5797            }
5798        }
5799    } else if (Tilemap.isTileA2(tileId)) {
5800        setNumber = 1;
5801        bx = tx * 2;
5802        by = (ty - 2) * 3;
5803        isTable = this._isTableTile(tileId);
5804    } else if (Tilemap.isTileA3(tileId)) {
5805        setNumber = 2;
5806        bx = tx * 2;
5807        by = (ty - 6) * 2;
5808        autotileTable = Tilemap.WALL_AUTOTILE_TABLE;
5809    } else if (Tilemap.isTileA4(tileId)) {
5810        setNumber = 3;
5811        bx = tx * 2;
5812        by = Math.floor((ty - 10) * 2.5 + (ty % 2 === 1 ? 0.5 : 0));
5813        if (ty % 2 === 1) {
5814            autotileTable = Tilemap.WALL_AUTOTILE_TABLE;
5815        }
5816    }
5817
5818    var table = autotileTable[shape];
5819    var w1 = this._tileWidth / 2;
5820    var h1 = this._tileHeight / 2;
5821    for (var i = 0; i < 4; i++) {
5822        var qsx = table[i][0];
5823        var qsy = table[i][1];
5824        var sx1 = (bx * 2 + qsx) * w1;
5825        var sy1 = (by * 2 + qsy) * h1;
5826        var dx1 = dx + (i % 2) * w1;
5827        var dy1 = dy + Math.floor(i / 2) * h1;
5828        if (isTable && (qsy === 1 || qsy === 5)) {
5829            var qsx2 = qsx;
5830            var qsy2 = 3;
5831            if (qsy === 1) {
5832                //qsx2 = [0, 3, 2, 1][qsx];
5833                qsx2 = (4-qsx)%4;
5834            }
5835            var sx2 = (bx * 2 + qsx2) * w1;
5836            var sy2 = (by * 2 + qsy2) * h1;
5837            layer.addRect(setNumber, sx2, sy2, dx1, dy1, w1, h1, animX, animY);
5838            layer.addRect(setNumber, sx1, sy1, dx1, dy1+h1/2, w1, h1/2, animX, animY);
5839        } else {
5840            layer.addRect(setNumber, sx1, sy1, dx1, dy1, w1, h1, animX, animY);
5841        }
5842    }
5843};
5844
5845/**
5846 * @method _drawTableEdge
5847 * @param {Array} layers
5848 * @param {Number} tileId
5849 * @param {Number} dx
5850 * @param {Number} dy
5851 * @private
5852 */
5853ShaderTilemap.prototype._drawTableEdge = function(layer, tileId, dx, dy) {
5854    if (Tilemap.isTileA2(tileId)) {
5855        var autotileTable = Tilemap.FLOOR_AUTOTILE_TABLE;
5856        var kind = Tilemap.getAutotileKind(tileId);
5857        var shape = Tilemap.getAutotileShape(tileId);
5858        var tx = kind % 8;
5859        var ty = Math.floor(kind / 8);
5860        var setNumber = 1;
5861        var bx = tx * 2;
5862        var by = (ty - 2) * 3;
5863        var table = autotileTable[shape];
5864        var w1 = this._tileWidth / 2;
5865        var h1 = this._tileHeight / 2;
5866        for (var i = 0; i < 2; i++) {
5867            var qsx = table[2 + i][0];
5868            var qsy = table[2 + i][1];
5869            var sx1 = (bx * 2 + qsx) * w1;
5870            var sy1 = (by * 2 + qsy) * h1 + h1 / 2;
5871            var dx1 = dx + (i % 2) * w1;
5872            var dy1 = dy + Math.floor(i / 2) * h1;
5873            layer.addRect(setNumber, sx1, sy1, dx1, dy1, w1, h1/2);
5874        }
5875    }
5876};
5877
5878/**
5879 * @method _drawShadow
5880 * @param {Number} shadowBits
5881 * @param {Number} dx
5882 * @param {Number} dy
5883 * @private
5884 */
5885ShaderTilemap.prototype._drawShadow = function(layer, shadowBits, dx, dy) {
5886    if (shadowBits & 0x0f) {
5887        var w1 = this._tileWidth / 2;
5888        var h1 = this._tileHeight / 2;
5889        for (var i = 0; i < 4; i++) {
5890            if (shadowBits & (1 << i)) {
5891                var dx1 = dx + (i % 2) * w1;
5892                var dy1 = dy + Math.floor(i / 2) * h1;
5893                layer.addRect(-1, 0, 0, dx1, dy1, w1, h1);
5894            }
5895        }
5896    }
5897};
5898//-----------------------------------------------------------------------------
5899/**
5900 * The sprite object for a tiling image.
5901 *
5902 * @class TilingSprite
5903 * @constructor
5904 * @param {Bitmap} bitmap The image for the tiling sprite
5905 */
5906function TilingSprite() {
5907    this.initialize.apply(this, arguments);
5908}
5909
5910TilingSprite.prototype = Object.create(PIXI.extras.PictureTilingSprite.prototype);
5911TilingSprite.prototype.constructor = TilingSprite;
5912
5913TilingSprite.prototype.initialize = function(bitmap) {
5914    var texture = new PIXI.Texture(new PIXI.BaseTexture());
5915
5916    PIXI.extras.PictureTilingSprite.call(this, texture);
5917
5918    this._bitmap = null;
5919    this._width = 0;
5920    this._height = 0;
5921    this._frame = new Rectangle();
5922    this.spriteId = Sprite._counter++;
5923    /**
5924     * The origin point of the tiling sprite for scrolling.
5925     *
5926     * @property origin
5927     * @type Point
5928     */
5929    this.origin = new Point();
5930
5931    this.bitmap = bitmap;
5932};
5933
5934TilingSprite.prototype._renderCanvas_PIXI = PIXI.extras.PictureTilingSprite.prototype._renderCanvas;
5935TilingSprite.prototype._renderWebGL_PIXI = PIXI.extras.PictureTilingSprite.prototype._renderWebGL;
5936
5937/**
5938 * @method _renderCanvas
5939 * @param {Object} renderer
5940 * @private
5941 */
5942TilingSprite.prototype._renderCanvas = function(renderer) {
5943    if (this._bitmap) {
5944        this._bitmap.touch();
5945    }
5946    if (this.texture.frame.width > 0 && this.texture.frame.height > 0) {
5947        this._renderCanvas_PIXI(renderer);
5948    }
5949};
5950
5951/**
5952 * @method _renderWebGL
5953 * @param {Object} renderer
5954 * @private
5955 */
5956TilingSprite.prototype._renderWebGL = function(renderer) {
5957    if (this._bitmap) {
5958        this._bitmap.touch();
5959    }
5960    if (this.texture.frame.width > 0 && this.texture.frame.height > 0) {
5961        if (this._bitmap) {
5962            this._bitmap.checkDirty();
5963        }
5964        this._renderWebGL_PIXI(renderer);
5965    }
5966};
5967
5968/**
5969 * The image for the tiling sprite.
5970 *
5971 * @property bitmap
5972 * @type Bitmap
5973 */
5974Object.defineProperty(TilingSprite.prototype, 'bitmap', {
5975    get: function() {
5976        return this._bitmap;
5977    },
5978    set: function(value) {
5979        if (this._bitmap !== value) {
5980            this._bitmap = value;
5981            if (this._bitmap) {
5982                this._bitmap.addLoadListener(this._onBitmapLoad.bind(this));
5983            } else {
5984                this.texture.frame = Rectangle.emptyRectangle;
5985            }
5986        }
5987    },
5988    configurable: true
5989});
5990
5991/**
5992 * The opacity of the tiling sprite (0 to 255).
5993 *
5994 * @property opacity
5995 * @type Number
5996 */
5997Object.defineProperty(TilingSprite.prototype, 'opacity', {
5998    get: function() {
5999        return this.alpha * 255;
6000    },
6001    set: function(value) {
6002        this.alpha = value.clamp(0, 255) / 255;
6003    },
6004    configurable: true
6005});
6006
6007/**
6008 * Updates the tiling sprite for each frame.
6009 *
6010 * @method update
6011 */
6012TilingSprite.prototype.update = function() {
6013    this.children.forEach(function(child) {
6014        if (child.update) {
6015            child.update();
6016        }
6017    });
6018};
6019
6020/**
6021 * Sets the x, y, width, and height all at once.
6022 *
6023 * @method move
6024 * @param {Number} x The x coordinate of the tiling sprite
6025 * @param {Number} y The y coordinate of the tiling sprite
6026 * @param {Number} width The width of the tiling sprite
6027 * @param {Number} height The height of the tiling sprite
6028 */
6029TilingSprite.prototype.move = function(x, y, width, height) {
6030    this.x = x || 0;
6031    this.y = y || 0;
6032    this._width = width || 0;
6033    this._height = height || 0;
6034};
6035
6036/**
6037 * Specifies the region of the image that the tiling sprite will use.
6038 *
6039 * @method setFrame
6040 * @param {Number} x The x coordinate of the frame
6041 * @param {Number} y The y coordinate of the frame
6042 * @param {Number} width The width of the frame
6043 * @param {Number} height The height of the frame
6044 */
6045TilingSprite.prototype.setFrame = function(x, y, width, height) {
6046    this._frame.x = x;
6047    this._frame.y = y;
6048    this._frame.width = width;
6049    this._frame.height = height;
6050    this._refresh();
6051};
6052
6053/**
6054 * @method updateTransform
6055 * @private
6056 */
6057TilingSprite.prototype.updateTransform = function() {
6058    this.tilePosition.x = Math.round(-this.origin.x);
6059    this.tilePosition.y = Math.round(-this.origin.y);
6060    this.updateTransformTS();
6061};
6062
6063TilingSprite.prototype.updateTransformTS = PIXI.extras.TilingSprite.prototype.updateTransform;
6064
6065/**
6066 * @method _onBitmapLoad
6067 * @private
6068 */
6069TilingSprite.prototype._onBitmapLoad = function() {
6070    this.texture.baseTexture = this._bitmap.baseTexture;
6071    this._refresh();
6072};
6073
6074/**
6075 * @method _refresh
6076 * @private
6077 */
6078TilingSprite.prototype._refresh = function() {
6079    var frame = this._frame.clone();
6080    if (frame.width === 0 && frame.height === 0 && this._bitmap) {
6081        frame.width = this._bitmap.width;
6082        frame.height = this._bitmap.height;
6083    }
6084    this.texture.frame = frame;
6085    this.texture._updateID++;
6086    this.tilingTexture = null;
6087};
6088
6089
6090TilingSprite.prototype._speedUpCustomBlendModes = Sprite.prototype._speedUpCustomBlendModes;
6091
6092/**
6093 * @method _renderWebGL
6094 * @param {Object} renderer
6095 * @private
6096 */
6097TilingSprite.prototype._renderWebGL = function(renderer) {
6098    if (this._bitmap) {
6099        this._bitmap.touch();
6100        this._bitmap.checkDirty();
6101    }
6102
6103    this._speedUpCustomBlendModes(renderer);
6104
6105    this._renderWebGL_PIXI(renderer);
6106};
6107
6108// The important members from Pixi.js
6109
6110/**
6111 * The visibility of the tiling sprite.
6112 *
6113 * @property visible
6114 * @type Boolean
6115 */
6116
6117/**
6118 * The x coordinate of the tiling sprite.
6119 *
6120 * @property x
6121 * @type Number
6122 */
6123
6124/**
6125 * The y coordinate of the tiling sprite.
6126 *
6127 * @property y
6128 * @type Number
6129 */
6130
6131//-----------------------------------------------------------------------------
6132/**
6133 * The sprite which covers the entire game screen.
6134 *
6135 * @class ScreenSprite
6136 * @constructor
6137 */
6138function ScreenSprite() {
6139    this.initialize.apply(this, arguments);
6140}
6141
6142ScreenSprite.prototype = Object.create(PIXI.Container.prototype);
6143ScreenSprite.prototype.constructor = ScreenSprite;
6144
6145ScreenSprite.prototype.initialize = function () {
6146    PIXI.Container.call(this);
6147
6148    this._graphics = new PIXI.Graphics();
6149    this.addChild(this._graphics);
6150    this.opacity = 0;
6151
6152    this._red = -1;
6153    this._green = -1;
6154    this._blue = -1;
6155    this._colorText = '';
6156    this.setBlack();
6157};
6158
6159/**
6160 * The opacity of the sprite (0 to 255).
6161 *
6162 * @property opacity
6163 * @type Number
6164 */
6165Object.defineProperty(ScreenSprite.prototype, 'opacity', {
6166    get: function () {
6167        return this.alpha * 255;
6168    },
6169    set: function (value) {
6170        this.alpha = value.clamp(0, 255) / 255;
6171    },
6172    configurable: true
6173});
6174
6175ScreenSprite.YEPWarned = false;
6176ScreenSprite.warnYep = function () {
6177    if (!ScreenSprite.YEPWarned) {
6178        console.log("Deprecation warning. Please update YEP_CoreEngine. ScreenSprite is not a sprite, it has graphics inside.");
6179        ScreenSprite.YEPWarned = true;
6180    }
6181};
6182
6183Object.defineProperty(ScreenSprite.prototype, 'anchor', {
6184    get: function () {
6185        ScreenSprite.warnYep();
6186        this.scale.x = 1;
6187        this.scale.y = 1;
6188        return {x: 0, y: 0};
6189    },
6190    set: function (value) {
6191        this.alpha = value.clamp(0, 255) / 255;
6192    },
6193    configurable: true
6194});
6195
6196Object.defineProperty(ScreenSprite.prototype, 'blendMode', {
6197    get: function () {
6198        return this._graphics.blendMode;
6199    },
6200    set: function (value) {
6201        this._graphics.blendMode = value;
6202    },
6203    configurable: true
6204});
6205
6206/**
6207 * Sets black to the color of the screen sprite.
6208 *
6209 * @method setBlack
6210 */
6211ScreenSprite.prototype.setBlack = function () {
6212    this.setColor(0, 0, 0);
6213};
6214
6215/**
6216 * Sets white to the color of the screen sprite.
6217 *
6218 * @method setWhite
6219 */
6220ScreenSprite.prototype.setWhite = function () {
6221    this.setColor(255, 255, 255);
6222};
6223
6224/**
6225 * Sets the color of the screen sprite by values.
6226 *
6227 * @method setColor
6228 * @param {Number} r The red value in the range (0, 255)
6229 * @param {Number} g The green value in the range (0, 255)
6230 * @param {Number} b The blue value in the range (0, 255)
6231 */
6232ScreenSprite.prototype.setColor = function (r, g, b) {
6233    if (this._red !== r || this._green !== g || this._blue !== b) {
6234        r = Math.round(r || 0).clamp(0, 255);
6235        g = Math.round(g || 0).clamp(0, 255);
6236        b = Math.round(b || 0).clamp(0, 255);
6237        this._red = r;
6238        this._green = g;
6239        this._blue = b;
6240        this._colorText = Utils.rgbToCssColor(r, g, b);
6241
6242        var graphics = this._graphics;
6243        graphics.clear();
6244        var intColor = (r << 16) | (g << 8) | b;
6245        graphics.beginFill(intColor, 1);
6246        //whole screen with zoom. BWAHAHAHAHA
6247        graphics.drawRect(-Graphics.width * 5, -Graphics.height * 5, Graphics.width * 10, Graphics.height * 10);
6248    }
6249};
6250
6251//-----------------------------------------------------------------------------
6252/**
6253 * The window in the game.
6254 *
6255 * @class Window
6256 * @constructor
6257 */
6258function Window() {
6259    this.initialize.apply(this, arguments);
6260}
6261
6262Window.prototype = Object.create(PIXI.Container.prototype);
6263Window.prototype.constructor = Window;
6264
6265Window.prototype.initialize = function() {
6266    PIXI.Container.call(this);
6267
6268    this._isWindow = true;
6269    this._windowskin = null;
6270    this._width = 0;
6271    this._height = 0;
6272    this._cursorRect = new Rectangle();
6273    this._openness = 255;
6274    this._animationCount = 0;
6275
6276    this._padding = 18;
6277    this._margin = 4;
6278    this._colorTone = [0, 0, 0];
6279
6280    this._windowSpriteContainer = null;
6281    this._windowBackSprite = null;
6282    this._windowCursorSprite = null;
6283    this._windowFrameSprite = null;
6284    this._windowContentsSprite = null;
6285    this._windowArrowSprites = [];
6286    this._windowPauseSignSprite = null;
6287
6288    this._createAllParts();
6289
6290    /**
6291     * The origin point of the window for scrolling.
6292     *
6293     * @property origin
6294     * @type Point
6295     */
6296    this.origin = new Point();
6297
6298    /**
6299     * The active state for the window.
6300     *
6301     * @property active
6302     * @type Boolean
6303     */
6304    this.active = true;
6305
6306    /**
6307     * The visibility of the down scroll arrow.
6308     *
6309     * @property downArrowVisible
6310     * @type Boolean
6311     */
6312    this.downArrowVisible = false;
6313
6314    /**
6315     * The visibility of the up scroll arrow.
6316     *
6317     * @property upArrowVisible
6318     * @type Boolean
6319     */
6320    this.upArrowVisible = false;
6321
6322    /**
6323     * The visibility of the pause sign.
6324     *
6325     * @property pause
6326     * @type Boolean
6327     */
6328    this.pause = false;
6329};
6330
6331/**
6332 * The image used as a window skin.
6333 *
6334 * @property windowskin
6335 * @type Bitmap
6336 */
6337Object.defineProperty(Window.prototype, 'windowskin', {
6338    get: function() {
6339        return this._windowskin;
6340    },
6341    set: function(value) {
6342        if (this._windowskin !== value) {
6343            this._windowskin = value;
6344            this._windowskin.addLoadListener(this._onWindowskinLoad.bind(this));
6345        }
6346    },
6347    configurable: true
6348});
6349
6350/**
6351 * The bitmap used for the window contents.
6352 *
6353 * @property contents
6354 * @type Bitmap
6355 */
6356Object.defineProperty(Window.prototype, 'contents', {
6357    get: function() {
6358        return this._windowContentsSprite.bitmap;
6359    },
6360    set: function(value) {
6361        this._windowContentsSprite.bitmap = value;
6362    },
6363    configurable: true
6364});
6365
6366/**
6367 * The width of the window in pixels.
6368 *
6369 * @property width
6370 * @type Number
6371 */
6372Object.defineProperty(Window.prototype, 'width', {
6373    get: function() {
6374        return this._width;
6375    },
6376    set: function(value) {
6377        this._width = value;
6378        this._refreshAllParts();
6379    },
6380    configurable: true
6381});
6382
6383/**
6384 * The height of the window in pixels.
6385 *
6386 * @property height
6387 * @type Number
6388 */
6389Object.defineProperty(Window.prototype, 'height', {
6390    get: function() {
6391        return this._height;
6392    },
6393    set: function(value) {
6394        this._height = value;
6395        this._refreshAllParts();
6396    },
6397    configurable: true
6398});
6399
6400/**
6401 * The size of the padding between the frame and contents.
6402 *
6403 * @property padding
6404 * @type Number
6405 */
6406Object.defineProperty(Window.prototype, 'padding', {
6407    get: function() {
6408        return this._padding;
6409    },
6410    set: function(value) {
6411        this._padding = value;
6412        this._refreshAllParts();
6413    },
6414    configurable: true
6415});
6416
6417/**
6418 * The size of the margin for the window background.
6419 *
6420 * @property margin
6421 * @type Number
6422 */
6423Object.defineProperty(Window.prototype, 'margin', {
6424    get: function() {
6425        return this._margin;
6426    },
6427    set: function(value) {
6428        this._margin = value;
6429        this._refreshAllParts();
6430    },
6431    configurable: true
6432});
6433
6434/**
6435 * The opacity of the window without contents (0 to 255).
6436 *
6437 * @property opacity
6438 * @type Number
6439 */
6440Object.defineProperty(Window.prototype, 'opacity', {
6441    get: function() {
6442        return this._windowSpriteContainer.alpha * 255;
6443    },
6444    set: function(value) {
6445        this._windowSpriteContainer.alpha = value.clamp(0, 255) / 255;
6446    },
6447    configurable: true
6448});
6449
6450/**
6451 * The opacity of the window background (0 to 255).
6452 *
6453 * @property backOpacity
6454 * @type Number
6455 */
6456Object.defineProperty(Window.prototype, 'backOpacity', {
6457    get: function() {
6458        return this._windowBackSprite.alpha * 255;
6459    },
6460    set: function(value) {
6461        this._windowBackSprite.alpha = value.clamp(0, 255) / 255;
6462    },
6463    configurable: true
6464});
6465
6466/**
6467 * The opacity of the window contents (0 to 255).
6468 *
6469 * @property contentsOpacity
6470 * @type Number
6471 */
6472Object.defineProperty(Window.prototype, 'contentsOpacity', {
6473    get: function() {
6474        return this._windowContentsSprite.alpha * 255;
6475    },
6476    set: function(value) {
6477        this._windowContentsSprite.alpha = value.clamp(0, 255) / 255;
6478    },
6479    configurable: true
6480});
6481
6482/**
6483 * The openness of the window (0 to 255).
6484 *
6485 * @property openness
6486 * @type Number
6487 */
6488Object.defineProperty(Window.prototype, 'openness', {
6489    get: function() {
6490        return this._openness;
6491    },
6492    set: function(value) {
6493        if (this._openness !== value) {
6494            this._openness = value.clamp(0, 255);
6495            this._windowSpriteContainer.scale.y = this._openness / 255;
6496            this._windowSpriteContainer.y = this.height / 2 * (1 - this._openness / 255);
6497        }
6498    },
6499    configurable: true
6500});
6501
6502/**
6503 * Updates the window for each frame.
6504 *
6505 * @method update
6506 */
6507Window.prototype.update = function() {
6508    if (this.active) {
6509        this._animationCount++;
6510    }
6511    this.children.forEach(function(child) {
6512        if (child.update) {
6513            child.update();
6514        }
6515    });
6516};
6517
6518/**
6519 * Sets the x, y, width, and height all at once.
6520 *
6521 * @method move
6522 * @param {Number} x The x coordinate of the window
6523 * @param {Number} y The y coordinate of the window
6524 * @param {Number} width The width of the window
6525 * @param {Number} height The height of the window
6526 */
6527Window.prototype.move = function(x, y, width, height) {
6528    this.x = x || 0;
6529    this.y = y || 0;
6530    if (this._width !== width || this._height !== height) {
6531        this._width = width || 0;
6532        this._height = height || 0;
6533        this._refreshAllParts();
6534    }
6535};
6536
6537/**
6538 * Returns true if the window is completely open (openness == 255).
6539 *
6540 * @method isOpen
6541 */
6542Window.prototype.isOpen = function() {
6543    return this._openness >= 255;
6544};
6545
6546/**
6547 * Returns true if the window is completely closed (openness == 0).
6548 *
6549 * @method isClosed
6550 */
6551Window.prototype.isClosed = function() {
6552    return this._openness <= 0;
6553};
6554
6555/**
6556 * Sets the position of the command cursor.
6557 *
6558 * @method setCursorRect
6559 * @param {Number} x The x coordinate of the cursor
6560 * @param {Number} y The y coordinate of the cursor
6561 * @param {Number} width The width of the cursor
6562 * @param {Number} height The height of the cursor
6563 */
6564Window.prototype.setCursorRect = function(x, y, width, height) {
6565    var cx = Math.floor(x || 0);
6566    var cy = Math.floor(y || 0);
6567    var cw = Math.floor(width || 0);
6568    var ch = Math.floor(height || 0);
6569    var rect = this._cursorRect;
6570    if (rect.x !== cx || rect.y !== cy || rect.width !== cw || rect.height !== ch) {
6571        this._cursorRect.x = cx;
6572        this._cursorRect.y = cy;
6573        this._cursorRect.width = cw;
6574        this._cursorRect.height = ch;
6575        this._refreshCursor();
6576    }
6577};
6578
6579/**
6580 * Changes the color of the background.
6581 *
6582 * @method setTone
6583 * @param {Number} r The red value in the range (-255, 255)
6584 * @param {Number} g The green value in the range (-255, 255)
6585 * @param {Number} b The blue value in the range (-255, 255)
6586 */
6587Window.prototype.setTone = function(r, g, b) {
6588    var tone = this._colorTone;
6589    if (r !== tone[0] || g !== tone[1] || b !== tone[2]) {
6590        this._colorTone = [r, g, b];
6591        this._refreshBack();
6592    }
6593};
6594
6595/**
6596 * Adds a child between the background and contents.
6597 *
6598 * @method addChildToBack
6599 * @param {Object} child The child to add
6600 * @return {Object} The child that was added
6601 */
6602Window.prototype.addChildToBack = function(child) {
6603    var containerIndex = this.children.indexOf(this._windowSpriteContainer);
6604    return this.addChildAt(child, containerIndex + 1);
6605};
6606
6607/**
6608 * @method updateTransform
6609 * @private
6610 */
6611Window.prototype.updateTransform = function() {
6612    this._updateCursor();
6613    this._updateArrows();
6614    this._updatePauseSign();
6615    this._updateContents();
6616    PIXI.Container.prototype.updateTransform.call(this);
6617};
6618
6619/**
6620 * @method _createAllParts
6621 * @private
6622 */
6623Window.prototype._createAllParts = function() {
6624    this._windowSpriteContainer = new PIXI.Container();
6625    this._windowBackSprite = new Sprite();
6626    this._windowCursorSprite = new Sprite();
6627    this._windowFrameSprite = new Sprite();
6628    this._windowContentsSprite = new Sprite();
6629    this._downArrowSprite = new Sprite();
6630    this._upArrowSprite = new Sprite();
6631    this._windowPauseSignSprite = new Sprite();
6632    this._windowBackSprite.bitmap = new Bitmap(1, 1);
6633    this._windowBackSprite.alpha = 192 / 255;
6634    this.addChild(this._windowSpriteContainer);
6635    this._windowSpriteContainer.addChild(this._windowBackSprite);
6636    this._windowSpriteContainer.addChild(this._windowFrameSprite);
6637    this.addChild(this._windowCursorSprite);
6638    this.addChild(this._windowContentsSprite);
6639    this.addChild(this._downArrowSprite);
6640    this.addChild(this._upArrowSprite);
6641    this.addChild(this._windowPauseSignSprite);
6642};
6643
6644/**
6645 * @method _onWindowskinLoad
6646 * @private
6647 */
6648Window.prototype._onWindowskinLoad = function() {
6649    this._refreshAllParts();
6650};
6651
6652/**
6653 * @method _refreshAllParts
6654 * @private
6655 */
6656Window.prototype._refreshAllParts = function() {
6657    this._refreshBack();
6658    this._refreshFrame();
6659    this._refreshCursor();
6660    this._refreshContents();
6661    this._refreshArrows();
6662    this._refreshPauseSign();
6663};
6664
6665/**
6666 * @method _refreshBack
6667 * @private
6668 */
6669Window.prototype._refreshBack = function() {
6670    var m = this._margin;
6671    var w = this._width - m * 2;
6672    var h = this._height - m * 2;
6673    var bitmap = new Bitmap(w, h);
6674
6675    this._windowBackSprite.bitmap = bitmap;
6676    this._windowBackSprite.setFrame(0, 0, w, h);
6677    this._windowBackSprite.move(m, m);
6678
6679    if (w > 0 && h > 0 && this._windowskin) {
6680        var p = 96;
6681        bitmap.blt(this._windowskin, 0, 0, p, p, 0, 0, w, h);
6682        for (var y = 0; y < h; y += p) {
6683            for (var x = 0; x < w; x += p) {
6684                bitmap.blt(this._windowskin, 0, p, p, p, x, y, p, p);
6685            }
6686        }
6687        var tone = this._colorTone;
6688        bitmap.adjustTone(tone[0], tone[1], tone[2]);
6689    }
6690};
6691
6692/**
6693 * @method _refreshFrame
6694 * @private
6695 */
6696Window.prototype._refreshFrame = function() {
6697    var w = this._width;
6698    var h = this._height;
6699    var m = 24;
6700    var bitmap = new Bitmap(w, h);
6701
6702    this._windowFrameSprite.bitmap = bitmap;
6703    this._windowFrameSprite.setFrame(0, 0, w, h);
6704
6705    if (w > 0 && h > 0 && this._windowskin) {
6706        var skin = this._windowskin;
6707        var p = 96;
6708        var q = 96;
6709        bitmap.blt(skin, p+m, 0+0, p-m*2, m, m, 0, w-m*2, m);
6710        bitmap.blt(skin, p+m, 0+q-m, p-m*2, m, m, h-m, w-m*2, m);
6711        bitmap.blt(skin, p+0, 0+m, m, p-m*2, 0, m, m, h-m*2);
6712        bitmap.blt(skin, p+q-m, 0+m, m, p-m*2, w-m, m, m, h-m*2);
6713        bitmap.blt(skin, p+0, 0+0, m, m, 0, 0, m, m);
6714        bitmap.blt(skin, p+q-m, 0+0, m, m, w-m, 0, m, m);
6715        bitmap.blt(skin, p+0, 0+q-m, m, m, 0, h-m, m, m);
6716        bitmap.blt(skin, p+q-m, 0+q-m, m, m, w-m, h-m, m, m);
6717    }
6718};
6719
6720/**
6721 * @method _refreshCursor
6722 * @private
6723 */
6724Window.prototype._refreshCursor = function() {
6725    var pad = this._padding;
6726    var x = this._cursorRect.x + pad - this.origin.x;
6727    var y = this._cursorRect.y + pad - this.origin.y;
6728    var w = this._cursorRect.width;
6729    var h = this._cursorRect.height;
6730    var m = 4;
6731    var x2 = Math.max(x, pad);
6732    var y2 = Math.max(y, pad);
6733    var ox = x - x2;
6734    var oy = y - y2;
6735    var w2 = Math.min(w, this._width - pad - x2);
6736    var h2 = Math.min(h, this._height - pad - y2);
6737    var bitmap = new Bitmap(w2, h2);
6738
6739    this._windowCursorSprite.bitmap = bitmap;
6740    this._windowCursorSprite.setFrame(0, 0, w2, h2);
6741    this._windowCursorSprite.move(x2, y2);
6742
6743    if (w > 0 && h > 0 && this._windowskin) {
6744        var skin = this._windowskin;
6745        var p = 96;
6746        var q = 48;
6747        bitmap.blt(skin, p+m, p+m, q-m*2, q-m*2, ox+m, oy+m, w-m*2, h-m*2);
6748        bitmap.blt(skin, p+m, p+0, q-m*2, m, ox+m, oy+0, w-m*2, m);
6749        bitmap.blt(skin, p+m, p+q-m, q-m*2, m, ox+m, oy+h-m, w-m*2, m);
6750        bitmap.blt(skin, p+0, p+m, m, q-m*2, ox+0, oy+m, m, h-m*2);
6751        bitmap.blt(skin, p+q-m, p+m, m, q-m*2, ox+w-m, oy+m, m, h-m*2);
6752        bitmap.blt(skin, p+0, p+0, m, m, ox+0, oy+0, m, m);
6753        bitmap.blt(skin, p+q-m, p+0, m, m, ox+w-m, oy+0, m, m);
6754        bitmap.blt(skin, p+0, p+q-m, m, m, ox+0, oy+h-m, m, m);
6755        bitmap.blt(skin, p+q-m, p+q-m, m, m, ox+w-m, oy+h-m, m, m);
6756    }
6757};
6758
6759/**
6760 * @method _refreshContents
6761 * @private
6762 */
6763Window.prototype._refreshContents = function() {
6764    this._windowContentsSprite.move(this.padding, this.padding);
6765};
6766
6767/**
6768 * @method _refreshArrows
6769 * @private
6770 */
6771Window.prototype._refreshArrows = function() {
6772    var w = this._width;
6773    var h = this._height;
6774    var p = 24;
6775    var q = p/2;
6776    var sx = 96+p;
6777    var sy = 0+p;
6778    this._downArrowSprite.bitmap = this._windowskin;
6779    this._downArrowSprite.anchor.x = 0.5;
6780    this._downArrowSprite.anchor.y = 0.5;
6781    this._downArrowSprite.setFrame(sx+q, sy+q+p, p, q);
6782    this._downArrowSprite.move(w/2, h-q);
6783    this._upArrowSprite.bitmap = this._windowskin;
6784    this._upArrowSprite.anchor.x = 0.5;
6785    this._upArrowSprite.anchor.y = 0.5;
6786    this._upArrowSprite.setFrame(sx+q, sy, p, q);
6787    this._upArrowSprite.move(w/2, q);
6788};
6789
6790/**
6791 * @method _refreshPauseSign
6792 * @private
6793 */
6794Window.prototype._refreshPauseSign = function() {
6795    var sx = 144;
6796    var sy = 96;
6797    var p = 24;
6798    this._windowPauseSignSprite.bitmap = this._windowskin;
6799    this._windowPauseSignSprite.anchor.x = 0.5;
6800    this._windowPauseSignSprite.anchor.y = 1;
6801    this._windowPauseSignSprite.move(this._width / 2, this._height);
6802    this._windowPauseSignSprite.setFrame(sx, sy, p, p);
6803    this._windowPauseSignSprite.alpha = 0;
6804};
6805
6806/**
6807 * @method _updateCursor
6808 * @private
6809 */
6810Window.prototype._updateCursor = function() {
6811    var blinkCount = this._animationCount % 40;
6812    var cursorOpacity = this.contentsOpacity;
6813    if (this.active) {
6814        if (blinkCount < 20) {
6815            cursorOpacity -= blinkCount * 8;
6816        } else {
6817            cursorOpacity -= (40 - blinkCount) * 8;
6818        }
6819    }
6820    this._windowCursorSprite.alpha = cursorOpacity / 255;
6821    this._windowCursorSprite.visible = this.isOpen();
6822};
6823
6824/**
6825 * @method _updateContents
6826 * @private
6827 */
6828Window.prototype._updateContents = function() {
6829    var w = this._width - this._padding * 2;
6830    var h = this._height - this._padding * 2;
6831    if (w > 0 && h > 0) {
6832        this._windowContentsSprite.setFrame(this.origin.x, this.origin.y, w, h);
6833        this._windowContentsSprite.visible = this.isOpen();
6834    } else {
6835        this._windowContentsSprite.visible = false;
6836    }
6837};
6838
6839/**
6840 * @method _updateArrows
6841 * @private
6842 */
6843Window.prototype._updateArrows = function() {
6844    this._downArrowSprite.visible = this.isOpen() && this.downArrowVisible;
6845    this._upArrowSprite.visible = this.isOpen() && this.upArrowVisible;
6846};
6847
6848/**
6849 * @method _updatePauseSign
6850 * @private
6851 */
6852Window.prototype._updatePauseSign = function() {
6853    var sprite = this._windowPauseSignSprite;
6854    var x = Math.floor(this._animationCount / 16) % 2;
6855    var y = Math.floor(this._animationCount / 16 / 2) % 2;
6856    var sx = 144;
6857    var sy = 96;
6858    var p = 24;
6859    if (!this.pause) {
6860        sprite.alpha = 0;
6861    } else if (sprite.alpha < 1) {
6862        sprite.alpha = Math.min(sprite.alpha + 0.1, 1);
6863    }
6864    sprite.setFrame(sx+x*p, sy+y*p, p, p);
6865    sprite.visible = this.isOpen();
6866};
6867
6868// The important members from Pixi.js
6869
6870/**
6871 * The visibility of the window.
6872 *
6873 * @property visible
6874 * @type Boolean
6875 */
6876
6877/**
6878 * The x coordinate of the window.
6879 *
6880 * @property x
6881 * @type Number
6882 */
6883
6884/**
6885 * The y coordinate of the window.
6886 *
6887 * @property y
6888 * @type Number
6889 */
6890
6891/**
6892 * [read-only] The array of children of the window.
6893 *
6894 * @property children
6895 * @type Array
6896 */
6897
6898/**
6899 * [read-only] The object that contains the window.
6900 *
6901 * @property parent
6902 * @type Object
6903 */
6904
6905/**
6906 * Adds a child to the container.
6907 *
6908 * @method addChild
6909 * @param {Object} child The child to add
6910 * @return {Object} The child that was added
6911 */
6912
6913/**
6914 * Adds a child to the container at a specified index.
6915 *
6916 * @method addChildAt
6917 * @param {Object} child The child to add
6918 * @param {Number} index The index to place the child in
6919 * @return {Object} The child that was added
6920 */
6921
6922/**
6923 * Removes a child from the container.
6924 *
6925 * @method removeChild
6926 * @param {Object} child The child to remove
6927 * @return {Object} The child that was removed
6928 */
6929
6930/**
6931 * Removes a child from the specified index position.
6932 *
6933 * @method removeChildAt
6934 * @param {Number} index The index to get the child from
6935 * @return {Object} The child that was removed
6936 */
6937
6938//-----------------------------------------------------------------------------
6939/**
6940 * The layer which contains game windows.
6941 *
6942 * @class WindowLayer
6943 * @constructor
6944 */
6945function WindowLayer() {
6946    this.initialize.apply(this, arguments);
6947}
6948
6949WindowLayer.prototype = Object.create(PIXI.Container.prototype);
6950WindowLayer.prototype.constructor = WindowLayer;
6951
6952WindowLayer.prototype.initialize = function() {
6953    PIXI.Container.call(this);
6954    this._width = 0;
6955    this._height = 0;
6956    this._tempCanvas = null;
6957    this._translationMatrix = [1, 0, 0, 0, 1, 0, 0, 0, 1];
6958
6959    this._windowMask = new PIXI.Graphics();
6960    this._windowMask.beginFill(0xffffff, 1);
6961    this._windowMask.drawRect(0, 0, 0, 0);
6962    this._windowMask.endFill();
6963    this._windowRect = this._windowMask.graphicsData[0].shape;
6964
6965    this._renderSprite = null;
6966    this.filterArea = new PIXI.Rectangle();
6967    this.filters = [WindowLayer.voidFilter];
6968
6969    //temporary fix for memory leak bug
6970    this.on('removed', this.onRemoveAsAChild);
6971};
6972
6973WindowLayer.prototype.onRemoveAsAChild = function() {
6974    this.removeChildren();
6975}
6976
6977WindowLayer.voidFilter = new PIXI.filters.VoidFilter();
6978
6979/**
6980 * The width of the window layer in pixels.
6981 *
6982 * @property width
6983 * @type Number
6984 */
6985Object.defineProperty(WindowLayer.prototype, 'width', {
6986    get: function() {
6987        return this._width;
6988    },
6989    set: function(value) {
6990        this._width = value;
6991    },
6992    configurable: true
6993});
6994
6995/**
6996 * The height of the window layer in pixels.
6997 *
6998 * @property height
6999 * @type Number
7000 */
7001Object.defineProperty(WindowLayer.prototype, 'height', {
7002    get: function() {
7003        return this._height;
7004    },
7005    set: function(value) {
7006        this._height = value;
7007    },
7008    configurable: true
7009});
7010
7011/**
7012 * Sets the x, y, width, and height all at once.
7013 *
7014 * @method move
7015 * @param {Number} x The x coordinate of the window layer
7016 * @param {Number} y The y coordinate of the window layer
7017 * @param {Number} width The width of the window layer
7018 * @param {Number} height The height of the window layer
7019 */
7020WindowLayer.prototype.move = function(x, y, width, height) {
7021    this.x = x;
7022    this.y = y;
7023    this.width = width;
7024    this.height = height;
7025};
7026
7027/**
7028 * Updates the window layer for each frame.
7029 *
7030 * @method update
7031 */
7032WindowLayer.prototype.update = function() {
7033    this.children.forEach(function(child) {
7034        if (child.update) {
7035            child.update();
7036        }
7037    });
7038};
7039
7040/**
7041 * @method _renderCanvas
7042 * @param {Object} renderSession
7043 * @private
7044 */
7045WindowLayer.prototype.renderCanvas = function(renderer) {
7046    if (!this.visible || !this.renderable) {
7047        return;
7048    }
7049
7050    if (!this._tempCanvas) {
7051        this._tempCanvas = document.createElement('canvas');
7052    }
7053
7054    this._tempCanvas.width = Graphics.width;
7055    this._tempCanvas.height = Graphics.height;
7056
7057    var realCanvasContext = renderer.context;
7058    var context = this._tempCanvas.getContext('2d');
7059
7060    context.save();
7061    context.clearRect(0, 0, Graphics.width, Graphics.height);
7062    context.beginPath();
7063    context.rect(this.x, this.y, this.width, this.height);
7064    context.closePath();
7065    context.clip();
7066
7067    renderer.context = context;
7068
7069    for (var i = 0; i < this.children.length; i++) {
7070        var child = this.children[i];
7071        if (child._isWindow && child.visible && child.openness > 0) {
7072            this._canvasClearWindowRect(renderer, child);
7073            context.save();
7074            child.renderCanvas(renderer);
7075            context.restore();
7076        }
7077    }
7078
7079    context.restore();
7080
7081    renderer.context = realCanvasContext;
7082    renderer.context.setTransform(1, 0, 0, 1, 0, 0);
7083    renderer.context.globalCompositeOperation = 'source-over';
7084    renderer.context.globalAlpha = 1;
7085    renderer.context.drawImage(this._tempCanvas, 0, 0);
7086
7087    for (var j = 0; j < this.children.length; j++) {
7088        if (!this.children[j]._isWindow) {
7089            this.children[j].renderCanvas(renderer);
7090        }
7091    }
7092};
7093
7094/**
7095 * @method _canvasClearWindowRect
7096 * @param {Object} renderSession
7097 * @param {Window} window
7098 * @private
7099 */
7100WindowLayer.prototype._canvasClearWindowRect = function(renderSession, window) {
7101    var rx = this.x + window.x;
7102    var ry = this.y + window.y + window.height / 2 * (1 - window._openness / 255);
7103    var rw = window.width;
7104    var rh = window.height * window._openness / 255;
7105    renderSession.context.clearRect(rx, ry, rw, rh);
7106};
7107
7108/**
7109 * @method _renderWebGL
7110 * @param {Object} renderSession
7111 * @private
7112 */
7113WindowLayer.prototype.renderWebGL = function(renderer) {
7114    if (!this.visible || !this.renderable) {
7115        return;
7116    }
7117
7118    if (this.children.length==0) {
7119        return;
7120    }
7121
7122    renderer.flush();
7123    this.filterArea.copy(this);
7124    renderer.filterManager.pushFilter(this, this.filters);
7125    renderer.currentRenderer.start();
7126
7127    var shift = new PIXI.Point();
7128    var rt = renderer._activeRenderTarget;
7129    var projectionMatrix = rt.projectionMatrix;
7130    shift.x = Math.round((projectionMatrix.tx + 1) / 2 * rt.sourceFrame.width);
7131    shift.y = Math.round((projectionMatrix.ty + 1) / 2 * rt.sourceFrame.height);
7132
7133    for (var i = 0; i < this.children.length; i++) {
7134        var child = this.children[i];
7135        if (child._isWindow && child.visible && child.openness > 0) {
7136            this._maskWindow(child, shift);
7137            renderer.maskManager.pushScissorMask(this, this._windowMask);
7138            renderer.clear();
7139            renderer.maskManager.popScissorMask();
7140            renderer.currentRenderer.start();
7141            child.renderWebGL(renderer);
7142            renderer.currentRenderer.flush();
7143        }
7144    }
7145
7146    renderer.flush();
7147    renderer.filterManager.popFilter();
7148    renderer.maskManager.popScissorMask();
7149
7150    for (var j = 0; j < this.children.length; j++) {
7151        if (!this.children[j]._isWindow) {
7152            this.children[j].renderWebGL(renderer);
7153        }
7154    }
7155};
7156
7157/**
7158 * @method _maskWindow
7159 * @param {Window} window
7160 * @private
7161 */
7162WindowLayer.prototype._maskWindow = function(window, shift) {
7163    this._windowMask._currentBounds = null;
7164    this._windowMask.boundsDirty = true;
7165    var rect = this._windowRect;
7166    rect.x = this.x + shift.x + window.x;
7167    rect.y = this.x + shift.y + window.y + window.height / 2 * (1 - window._openness / 255);
7168    rect.width = window.width;
7169    rect.height = window.height * window._openness / 255;
7170};
7171
7172// The important members from Pixi.js
7173
7174/**
7175 * The x coordinate of the window layer.
7176 *
7177 * @property x
7178 * @type Number
7179 */
7180
7181/**
7182 * The y coordinate of the window layer.
7183 *
7184 * @property y
7185 * @type Number
7186 */
7187
7188/**
7189 * [read-only] The array of children of the window layer.
7190 *
7191 * @property children
7192 * @type Array
7193 */
7194
7195/**
7196 * [read-only] The object that contains the window layer.
7197 *
7198 * @property parent
7199 * @type Object
7200 */
7201
7202/**
7203 * Adds a child to the container.
7204 *
7205 * @method addChild
7206 * @param {Object} child The child to add
7207 * @return {Object} The child that was added
7208 */
7209
7210/**
7211 * Adds a child to the container at a specified index.
7212 *
7213 * @method addChildAt
7214 * @param {Object} child The child to add
7215 * @param {Number} index The index to place the child in
7216 * @return {Object} The child that was added
7217 */
7218
7219/**
7220 * Removes a child from the container.
7221 *
7222 * @method removeChild
7223 * @param {Object} child The child to remove
7224 * @return {Object} The child that was removed
7225 */
7226
7227/**
7228 * Removes a child from the specified index position.
7229 *
7230 * @method removeChildAt
7231 * @param {Number} index The index to get the child from
7232 * @return {Object} The child that was removed
7233 */
7234
7235//-----------------------------------------------------------------------------
7236/**
7237 * The weather effect which displays rain, storm, or snow.
7238 *
7239 * @class Weather
7240 * @constructor
7241 */
7242function Weather() {
7243    this.initialize.apply(this, arguments);
7244}
7245
7246Weather.prototype = Object.create(PIXI.Container.prototype);
7247Weather.prototype.constructor = Weather;
7248
7249Weather.prototype.initialize = function() {
7250    PIXI.Container.call(this);
7251
7252    this._width = Graphics.width;
7253    this._height = Graphics.height;
7254    this._sprites = [];
7255
7256    this._createBitmaps();
7257    this._createDimmer();
7258
7259    /**
7260     * The type of the weather in ['none', 'rain', 'storm', 'snow'].
7261     *
7262     * @property type
7263     * @type String
7264     */
7265    this.type = 'none';
7266
7267    /**
7268     * The power of the weather in the range (0, 9).
7269     *
7270     * @property power
7271     * @type Number
7272     */
7273    this.power = 0;
7274
7275    /**
7276     * The origin point of the weather for scrolling.
7277     *
7278     * @property origin
7279     * @type Point
7280     */
7281    this.origin = new Point();
7282};
7283
7284/**
7285 * Updates the weather for each frame.
7286 *
7287 * @method update
7288 */
7289Weather.prototype.update = function() {
7290    this._updateDimmer();
7291    this._updateAllSprites();
7292};
7293
7294/**
7295 * @method _createBitmaps
7296 * @private
7297 */
7298Weather.prototype._createBitmaps = function() {
7299    this._rainBitmap = new Bitmap(1, 60);
7300    this._rainBitmap.fillAll('white');
7301    this._stormBitmap = new Bitmap(2, 100);
7302    this._stormBitmap.fillAll('white');
7303    this._snowBitmap = new Bitmap(9, 9);
7304    this._snowBitmap.drawCircle(4, 4, 4, 'white');
7305};
7306
7307/**
7308 * @method _createDimmer
7309 * @private
7310 */
7311Weather.prototype._createDimmer = function() {
7312    this._dimmerSprite = new ScreenSprite();
7313    this._dimmerSprite.setColor(80, 80, 80);
7314    this.addChild(this._dimmerSprite);
7315};
7316
7317/**
7318 * @method _updateDimmer
7319 * @private
7320 */
7321Weather.prototype._updateDimmer = function() {
7322    this._dimmerSprite.opacity = Math.floor(this.power * 6);
7323};
7324
7325/**
7326 * @method _updateAllSprites
7327 * @private
7328 */
7329Weather.prototype._updateAllSprites = function() {
7330    var maxSprites = Math.floor(this.power * 10);
7331    while (this._sprites.length < maxSprites) {
7332        this._addSprite();
7333    }
7334    while (this._sprites.length > maxSprites) {
7335        this._removeSprite();
7336    }
7337    this._sprites.forEach(function(sprite) {
7338        this._updateSprite(sprite);
7339        sprite.x = sprite.ax - this.origin.x;
7340        sprite.y = sprite.ay - this.origin.y;
7341    }, this);
7342};
7343
7344/**
7345 * @method _addSprite
7346 * @private
7347 */
7348Weather.prototype._addSprite = function() {
7349    var sprite = new Sprite(this.viewport);
7350    sprite.opacity = 0;
7351    this._sprites.push(sprite);
7352    this.addChild(sprite);
7353};
7354
7355/**
7356 * @method _removeSprite
7357 * @private
7358 */
7359Weather.prototype._removeSprite = function() {
7360    this.removeChild(this._sprites.pop());
7361};
7362
7363/**
7364 * @method _updateSprite
7365 * @param {Sprite} sprite
7366 * @private
7367 */
7368Weather.prototype._updateSprite = function(sprite) {
7369    switch (this.type) {
7370    case 'rain':
7371        this._updateRainSprite(sprite);
7372        break;
7373    case 'storm':
7374        this._updateStormSprite(sprite);
7375        break;
7376    case 'snow':
7377        this._updateSnowSprite(sprite);
7378        break;
7379    }
7380    if (sprite.opacity < 40) {
7381        this._rebornSprite(sprite);
7382    }
7383};
7384
7385/**
7386 * @method _updateRainSprite
7387 * @param {Sprite} sprite
7388 * @private
7389 */
7390Weather.prototype._updateRainSprite = function(sprite) {
7391    sprite.bitmap = this._rainBitmap;
7392    sprite.rotation = Math.PI / 16;
7393    sprite.ax -= 6 * Math.sin(sprite.rotation);
7394    sprite.ay += 6 * Math.cos(sprite.rotation);
7395    sprite.opacity -= 6;
7396};
7397
7398/**
7399 * @method _updateStormSprite
7400 * @param {Sprite} sprite
7401 * @private
7402 */
7403Weather.prototype._updateStormSprite = function(sprite) {
7404    sprite.bitmap = this._stormBitmap;
7405    sprite.rotation = Math.PI / 8;
7406    sprite.ax -= 8 * Math.sin(sprite.rotation);
7407    sprite.ay += 8 * Math.cos(sprite.rotation);
7408    sprite.opacity -= 8;
7409};
7410
7411/**
7412 * @method _updateSnowSprite
7413 * @param {Sprite} sprite
7414 * @private
7415 */
7416Weather.prototype._updateSnowSprite = function(sprite) {
7417    sprite.bitmap = this._snowBitmap;
7418    sprite.rotation = Math.PI / 16;
7419    sprite.ax -= 3 * Math.sin(sprite.rotation);
7420    sprite.ay += 3 * Math.cos(sprite.rotation);
7421    sprite.opacity -= 3;
7422};
7423
7424/**
7425 * @method _rebornSprite
7426 * @param {Sprite} sprite
7427 * @private
7428 */
7429Weather.prototype._rebornSprite = function(sprite) {
7430    sprite.ax = Math.randomInt(Graphics.width + 100) - 100 + this.origin.x;
7431    sprite.ay = Math.randomInt(Graphics.height + 200) - 200 + this.origin.y;
7432    sprite.opacity = 160 + Math.randomInt(60);
7433};
7434
7435//-----------------------------------------------------------------------------
7436/**
7437 * The color matrix filter for WebGL.
7438 *
7439 * @class ToneFilter
7440 * @extends PIXI.Filter
7441 * @constructor
7442 */
7443function ToneFilter() {
7444    PIXI.filters.ColorMatrixFilter.call(this);
7445}
7446
7447ToneFilter.prototype = Object.create(PIXI.filters.ColorMatrixFilter.prototype);
7448ToneFilter.prototype.constructor = ToneFilter;
7449
7450/**
7451 * Changes the hue.
7452 *
7453 * @method adjustHue
7454 * @param {Number} value The hue value in the range (-360, 360)
7455 */
7456ToneFilter.prototype.adjustHue = function(value) {
7457    this.hue(value, true);
7458};
7459
7460/**
7461 * Changes the saturation.
7462 *
7463 * @method adjustSaturation
7464 * @param {Number} value The saturation value in the range (-255, 255)
7465 */
7466ToneFilter.prototype.adjustSaturation = function(value) {
7467    value = (value || 0).clamp(-255, 255) / 255;
7468    this.saturate(value, true);
7469};
7470
7471/**
7472 * Changes the tone.
7473 *
7474 * @method adjustTone
7475 * @param {Number} r The red strength in the range (-255, 255)
7476 * @param {Number} g The green strength in the range (-255, 255)
7477 * @param {Number} b The blue strength in the range (-255, 255)
7478 */
7479ToneFilter.prototype.adjustTone = function(r, g, b) {
7480    r = (r || 0).clamp(-255, 255) / 255;
7481    g = (g || 0).clamp(-255, 255) / 255;
7482    b = (b || 0).clamp(-255, 255) / 255;
7483
7484    if (r !== 0 || g !== 0 || b !== 0) {
7485        var matrix = [
7486            1, 0, 0, r, 0,
7487            0, 1, 0, g, 0,
7488            0, 0, 1, b, 0,
7489            0, 0, 0, 1, 0
7490        ];
7491
7492        this._loadMatrix(matrix, true);
7493    }
7494};
7495
7496//-----------------------------------------------------------------------------
7497/**
7498 * The sprite which changes the screen color in 2D canvas mode.
7499 *
7500 * @class ToneSprite
7501 * @constructor
7502 */
7503function ToneSprite() {
7504    this.initialize.apply(this, arguments);
7505}
7506
7507ToneSprite.prototype = Object.create(PIXI.Container.prototype);
7508ToneSprite.prototype.constructor = ToneSprite;
7509
7510ToneSprite.prototype.initialize = function() {
7511    PIXI.Container.call(this);
7512    this.clear();
7513};
7514
7515/**
7516 * Clears the tone.
7517 *
7518 * @method reset
7519 */
7520ToneSprite.prototype.clear = function() {
7521    this._red = 0;
7522    this._green = 0;
7523    this._blue = 0;
7524    this._gray = 0;
7525};
7526
7527/**
7528 * Sets the tone.
7529 *
7530 * @method setTone
7531 * @param {Number} r The red strength in the range (-255, 255)
7532 * @param {Number} g The green strength in the range (-255, 255)
7533 * @param {Number} b The blue strength in the range (-255, 255)
7534 * @param {Number} gray The grayscale level in the range (0, 255)
7535 */
7536ToneSprite.prototype.setTone = function(r, g, b, gray) {
7537    this._red = Math.round(r || 0).clamp(-255, 255);
7538    this._green = Math.round(g || 0).clamp(-255, 255);
7539    this._blue = Math.round(b || 0).clamp(-255, 255);
7540    this._gray = Math.round(gray || 0).clamp(0, 255);
7541};
7542
7543/**
7544 * @method _renderCanvas
7545 * @param {Object} renderSession
7546 * @private
7547 */
7548ToneSprite.prototype._renderCanvas = function(renderer) {
7549    if (this.visible) {
7550        var context = renderer.context;
7551        var t = this.worldTransform;
7552        var r = renderer.resolution;
7553        var width = Graphics.width;
7554        var height = Graphics.height;
7555        context.save();
7556        context.setTransform(t.a, t.b, t.c, t.d, t.tx * r, t.ty * r);
7557        if (Graphics.canUseSaturationBlend() && this._gray > 0) {
7558            context.globalCompositeOperation = 'saturation';
7559            context.globalAlpha = this._gray / 255;
7560            context.fillStyle = '#ffffff';
7561            context.fillRect(0, 0, width, height);
7562        }
7563        context.globalAlpha = 1;
7564        var r1 = Math.max(0, this._red);
7565        var g1 = Math.max(0, this._green);
7566        var b1 = Math.max(0, this._blue);
7567        if (r1 || g1 || b1) {
7568            context.globalCompositeOperation = 'lighter';
7569            context.fillStyle = Utils.rgbToCssColor(r1, g1, b1);
7570            context.fillRect(0, 0, width, height);
7571        }
7572        if (Graphics.canUseDifferenceBlend()) {
7573            var r2 = Math.max(0, -this._red);
7574            var g2 = Math.max(0, -this._green);
7575            var b2 = Math.max(0, -this._blue);
7576            if (r2 || g2 || b2) {
7577                context.globalCompositeOperation = 'difference';
7578                context.fillStyle = '#ffffff';
7579                context.fillRect(0, 0, width, height);
7580                context.globalCompositeOperation = 'lighter';
7581                context.fillStyle = Utils.rgbToCssColor(r2, g2, b2);
7582                context.fillRect(0, 0, width, height);
7583                context.globalCompositeOperation = 'difference';
7584                context.fillStyle = '#ffffff';
7585                context.fillRect(0, 0, width, height);
7586            }
7587        }
7588        context.restore();
7589    }
7590};
7591
7592/**
7593 * @method _renderWebGL
7594 * @param {Object} renderSession
7595 * @private
7596 */
7597ToneSprite.prototype._renderWebGL = function(renderer) {
7598    // Not supported
7599};
7600
7601//-----------------------------------------------------------------------------
7602/**
7603 * The root object of the display tree.
7604 *
7605 * @class Stage
7606 * @constructor
7607 */
7608function Stage() {
7609    this.initialize.apply(this, arguments);
7610}
7611
7612Stage.prototype = Object.create(PIXI.Container.prototype);
7613Stage.prototype.constructor = Stage;
7614
7615Stage.prototype.initialize = function() {
7616    PIXI.Container.call(this);
7617
7618    // The interactive flag causes a memory leak.
7619    this.interactive = false;
7620};
7621
7622/**
7623 * [read-only] The array of children of the stage.
7624 *
7625 * @property children
7626 * @type Array
7627 */
7628
7629/**
7630 * Adds a child to the container.
7631 *
7632 * @method addChild
7633 * @param {Object} child The child to add
7634 * @return {Object} The child that was added
7635 */
7636
7637/**
7638 * Adds a child to the container at a specified index.
7639 *
7640 * @method addChildAt
7641 * @param {Object} child The child to add
7642 * @param {Number} index The index to place the child in
7643 * @return {Object} The child that was added
7644 */
7645
7646/**
7647 * Removes a child from the container.
7648 *
7649 * @method removeChild
7650 * @param {Object} child The child to remove
7651 * @return {Object} The child that was removed
7652 */
7653
7654/**
7655 * Removes a child from the specified index position.
7656 *
7657 * @method removeChildAt
7658 * @param {Number} index The index to get the child from
7659 * @return {Object} The child that was removed
7660 */
7661
7662//-----------------------------------------------------------------------------
7663/**
7664 * The audio object of Web Audio API.
7665 *
7666 * @class WebAudio
7667 * @constructor
7668 * @param {String} url The url of the audio file
7669 */
7670function WebAudio() {
7671    this.initialize.apply(this, arguments);
7672}
7673
7674WebAudio._standAlone = (function(top){
7675    return !top.ResourceHandler;
7676})(this);
7677
7678WebAudio.prototype.initialize = function(url) {
7679    if (!WebAudio._initialized) {
7680        WebAudio.initialize();
7681    }
7682    this.clear();
7683
7684    if(!WebAudio._standAlone){
7685        this._loader = ResourceHandler.createLoader(url, this._load.bind(this, url), function() {
7686            this._hasError = true;
7687        }.bind(this));
7688    }
7689    this._load(url);
7690    this._url = url;
7691};
7692
7693WebAudio._masterVolume   = 1;
7694WebAudio._context        = null;
7695WebAudio._masterGainNode = null;
7696WebAudio._initialized    = false;
7697WebAudio._unlocked       = false;
7698
7699/**
7700 * Initializes the audio system.
7701 *
7702 * @static
7703 * @method initialize
7704 * @param {Boolean} noAudio Flag for the no-audio mode
7705 * @return {Boolean} True if the audio system is available
7706 */
7707WebAudio.initialize = function(noAudio) {
7708    if (!this._initialized) {
7709        if (!noAudio) {
7710            this._createContext();
7711            this._detectCodecs();
7712            this._createMasterGainNode();
7713            this._setupEventHandlers();
7714        }
7715        this._initialized = true;
7716    }
7717    return !!this._context;
7718};
7719
7720/**
7721 * Checks whether the browser can play ogg files.
7722 *
7723 * @static
7724 * @method canPlayOgg
7725 * @return {Boolean} True if the browser can play ogg files
7726 */
7727WebAudio.canPlayOgg = function() {
7728    if (!this._initialized) {
7729        this.initialize();
7730    }
7731    return !!this._canPlayOgg;
7732};
7733
7734/**
7735 * Checks whether the browser can play m4a files.
7736 *
7737 * @static
7738 * @method canPlayM4a
7739 * @return {Boolean} True if the browser can play m4a files
7740 */
7741WebAudio.canPlayM4a = function() {
7742    if (!this._initialized) {
7743        this.initialize();
7744    }
7745    return !!this._canPlayM4a;
7746};
7747
7748/**
7749 * Sets the master volume of the all audio.
7750 *
7751 * @static
7752 * @method setMasterVolume
7753 * @param {Number} value Master volume (min: 0, max: 1)
7754 */
7755WebAudio.setMasterVolume = function(value) {
7756    this._masterVolume = value;
7757    if (this._masterGainNode) {
7758        this._masterGainNode.gain.setValueAtTime(this._masterVolume, this._context.currentTime);
7759    }
7760};
7761
7762/**
7763 * @static
7764 * @method _createContext
7765 * @private
7766 */
7767WebAudio._createContext = function() {
7768    try {
7769        if (typeof AudioContext !== 'undefined') {
7770            this._context = new AudioContext();
7771        } else if (typeof webkitAudioContext !== 'undefined') {
7772            this._context = new webkitAudioContext();
7773        }
7774    } catch (e) {
7775        this._context = null;
7776    }
7777};
7778
7779/**
7780 * @static
7781 * @method _detectCodecs
7782 * @private
7783 */
7784WebAudio._detectCodecs = function() {
7785    var audio = document.createElement('audio');
7786    if (audio.canPlayType) {
7787        this._canPlayOgg = audio.canPlayType('audio/ogg');
7788        this._canPlayM4a = audio.canPlayType('audio/mp4');
7789    }
7790};
7791
7792/**
7793 * @static
7794 * @method _createMasterGainNode
7795 * @private
7796 */
7797WebAudio._createMasterGainNode = function() {
7798    var context = WebAudio._context;
7799    if (context) {
7800        this._masterGainNode = context.createGain();
7801        this._masterGainNode.gain.setValueAtTime(this._masterVolume, context.currentTime);
7802        this._masterGainNode.connect(context.destination);
7803    }
7804};
7805
7806/**
7807 * @static
7808 * @method _setupEventHandlers
7809 * @private
7810 */
7811WebAudio._setupEventHandlers = function() {
7812    var resumeHandler = function() {
7813        var context = WebAudio._context;
7814        if (context && context.state === "suspended" && typeof context.resume === "function") {
7815            context.resume().then(function() {
7816                WebAudio._onTouchStart();
7817            })
7818        } else {
7819            WebAudio._onTouchStart();
7820        }
7821    };
7822    document.addEventListener("keydown", resumeHandler);
7823    document.addEventListener("mousedown", resumeHandler);
7824    document.addEventListener("touchend", resumeHandler);
7825    document.addEventListener('touchstart', this._onTouchStart.bind(this));
7826    document.addEventListener('visibilitychange', this._onVisibilityChange.bind(this));
7827};
7828
7829/**
7830 * @static
7831 * @method _onTouchStart
7832 * @private
7833 */
7834WebAudio._onTouchStart = function() {
7835    var context = WebAudio._context;
7836    if (context && !this._unlocked) {
7837        // Unlock Web Audio on iOS
7838        var node = context.createBufferSource();
7839        node.start(0);
7840        this._unlocked = true;
7841    }
7842};
7843
7844/**
7845 * @static
7846 * @method _onVisibilityChange
7847 * @private
7848 */
7849WebAudio._onVisibilityChange = function() {
7850    if (document.visibilityState === 'hidden') {
7851        this._onHide();
7852    } else {
7853        this._onShow();
7854    }
7855};
7856
7857/**
7858 * @static
7859 * @method _onHide
7860 * @private
7861 */
7862WebAudio._onHide = function() {
7863    if (this._shouldMuteOnHide()) {
7864        this._fadeOut(1);
7865    }
7866};
7867
7868/**
7869 * @static
7870 * @method _onShow
7871 * @private
7872 */
7873WebAudio._onShow = function() {
7874    if (this._shouldMuteOnHide()) {
7875        this._fadeIn(0.5);
7876    }
7877};
7878
7879/**
7880 * @static
7881 * @method _shouldMuteOnHide
7882 * @private
7883 */
7884WebAudio._shouldMuteOnHide = function() {
7885    return Utils.isMobileDevice();
7886};
7887
7888/**
7889 * @static
7890 * @method _fadeIn
7891 * @param {Number} duration
7892 * @private
7893 */
7894WebAudio._fadeIn = function(duration) {
7895    if (this._masterGainNode) {
7896        var gain = this._masterGainNode.gain;
7897        var currentTime = WebAudio._context.currentTime;
7898        gain.setValueAtTime(0, currentTime);
7899        gain.linearRampToValueAtTime(this._masterVolume, currentTime + duration);
7900    }
7901};
7902
7903/**
7904 * @static
7905 * @method _fadeOut
7906 * @param {Number} duration
7907 * @private
7908 */
7909WebAudio._fadeOut = function(duration) {
7910    if (this._masterGainNode) {
7911        var gain = this._masterGainNode.gain;
7912        var currentTime = WebAudio._context.currentTime;
7913        gain.setValueAtTime(this._masterVolume, currentTime);
7914        gain.linearRampToValueAtTime(0, currentTime + duration);
7915    }
7916};
7917
7918/**
7919 * Clears the audio data.
7920 *
7921 * @method clear
7922 */
7923WebAudio.prototype.clear = function() {
7924    this.stop();
7925    this._buffer = null;
7926    this._sourceNode = null;
7927    this._gainNode = null;
7928    this._pannerNode = null;
7929    this._totalTime = 0;
7930    this._sampleRate = 0;
7931    this._loopStart = 0;
7932    this._loopLength = 0;
7933    this._startTime = 0;
7934    this._volume = 1;
7935    this._pitch = 1;
7936    this._pan = 0;
7937    this._endTimer = null;
7938    this._loadListeners = [];
7939    this._stopListeners = [];
7940    this._hasError = false;
7941    this._autoPlay = false;
7942};
7943
7944/**
7945 * [read-only] The url of the audio file.
7946 *
7947 * @property url
7948 * @type String
7949 */
7950Object.defineProperty(WebAudio.prototype, 'url', {
7951    get: function() {
7952        return this._url;
7953    },
7954    configurable: true
7955});
7956
7957/**
7958 * The volume of the audio.
7959 *
7960 * @property volume
7961 * @type Number
7962 */
7963Object.defineProperty(WebAudio.prototype, 'volume', {
7964    get: function() {
7965        return this._volume;
7966    },
7967    set: function(value) {
7968        this._volume = value;
7969        if (this._gainNode) {
7970            this._gainNode.gain.setValueAtTime(this._volume, WebAudio._context.currentTime);
7971        }
7972    },
7973    configurable: true
7974});
7975
7976/**
7977 * The pitch of the audio.
7978 *
7979 * @property pitch
7980 * @type Number
7981 */
7982Object.defineProperty(WebAudio.prototype, 'pitch', {
7983    get: function() {
7984        return this._pitch;
7985    },
7986    set: function(value) {
7987        if (this._pitch !== value) {
7988            this._pitch = value;
7989            if (this.isPlaying()) {
7990                this.play(this._sourceNode.loop, 0);
7991            }
7992        }
7993    },
7994    configurable: true
7995});
7996
7997/**
7998 * The pan of the audio.
7999 *
8000 * @property pan
8001 * @type Number
8002 */
8003Object.defineProperty(WebAudio.prototype, 'pan', {
8004    get: function() {
8005        return this._pan;
8006    },
8007    set: function(value) {
8008        this._pan = value;
8009        this._updatePanner();
8010    },
8011    configurable: true
8012});
8013
8014/**
8015 * Checks whether the audio data is ready to play.
8016 *
8017 * @method isReady
8018 * @return {Boolean} True if the audio data is ready to play
8019 */
8020WebAudio.prototype.isReady = function() {
8021    return !!this._buffer;
8022};
8023
8024/**
8025 * Checks whether a loading error has occurred.
8026 *
8027 * @method isError
8028 * @return {Boolean} True if a loading error has occurred
8029 */
8030WebAudio.prototype.isError = function() {
8031    return this._hasError;
8032};
8033
8034/**
8035 * Checks whether the audio is playing.
8036 *
8037 * @method isPlaying
8038 * @return {Boolean} True if the audio is playing
8039 */
8040WebAudio.prototype.isPlaying = function() {
8041    return !!this._sourceNode;
8042};
8043
8044/**
8045 * Plays the audio.
8046 *
8047 * @method play
8048 * @param {Boolean} loop Whether the audio data play in a loop
8049 * @param {Number} offset The start position to play in seconds
8050 */
8051WebAudio.prototype.play = function(loop, offset) {
8052    if (this.isReady()) {
8053        offset = offset || 0;
8054        this._startPlaying(loop, offset);
8055    } else if (WebAudio._context) {
8056        this._autoPlay = true;
8057        this.addLoadListener(function() {
8058            if (this._autoPlay) {
8059                this.play(loop, offset);
8060            }
8061        }.bind(this));
8062    }
8063};
8064
8065/**
8066 * Stops the audio.
8067 *
8068 * @method stop
8069 */
8070WebAudio.prototype.stop = function() {
8071    this._autoPlay = false;
8072    this._removeEndTimer();
8073    this._removeNodes();
8074    if (this._stopListeners) {
8075        while (this._stopListeners.length > 0) {
8076            var listner = this._stopListeners.shift();
8077            listner();
8078        }
8079    }
8080};
8081
8082/**
8083 * Performs the audio fade-in.
8084 *
8085 * @method fadeIn
8086 * @param {Number} duration Fade-in time in seconds
8087 */
8088WebAudio.prototype.fadeIn = function(duration) {
8089    if (this.isReady()) {
8090        if (this._gainNode) {
8091            var gain = this._gainNode.gain;
8092            var currentTime = WebAudio._context.currentTime;
8093            gain.setValueAtTime(0, currentTime);
8094            gain.linearRampToValueAtTime(this._volume, currentTime + duration);
8095        }
8096    } else if (this._autoPlay) {
8097        this.addLoadListener(function() {
8098            this.fadeIn(duration);
8099        }.bind(this));
8100    }
8101};
8102
8103/**
8104 * Performs the audio fade-out.
8105 *
8106 * @method fadeOut
8107 * @param {Number} duration Fade-out time in seconds
8108 */
8109WebAudio.prototype.fadeOut = function(duration) {
8110    if (this._gainNode) {
8111        var gain = this._gainNode.gain;
8112        var currentTime = WebAudio._context.currentTime;
8113        gain.setValueAtTime(this._volume, currentTime);
8114        gain.linearRampToValueAtTime(0, currentTime + duration);
8115    }
8116    this._autoPlay = false;
8117};
8118
8119/**
8120 * Gets the seek position of the audio.
8121 *
8122 * @method seek
8123 */
8124WebAudio.prototype.seek = function() {
8125    if (WebAudio._context) {
8126        var pos = (WebAudio._context.currentTime - this._startTime) * this._pitch;
8127        if (this._loopLength > 0) {
8128            while (pos >= this._loopStart + this._loopLength) {
8129                pos -= this._loopLength;
8130            }
8131        }
8132        return pos;
8133    } else {
8134        return 0;
8135    }
8136};
8137
8138/**
8139 * Add a callback function that will be called when the audio data is loaded.
8140 *
8141 * @method addLoadListener
8142 * @param {Function} listner The callback function
8143 */
8144WebAudio.prototype.addLoadListener = function(listner) {
8145    this._loadListeners.push(listner);
8146};
8147
8148/**
8149 * Add a callback function that will be called when the playback is stopped.
8150 *
8151 * @method addStopListener
8152 * @param {Function} listner The callback function
8153 */
8154WebAudio.prototype.addStopListener = function(listner) {
8155    this._stopListeners.push(listner);
8156};
8157
8158/**
8159 * @method _load
8160 * @param {String} url
8161 * @private
8162 */
8163WebAudio.prototype._load = function(url) {
8164    if (WebAudio._context) {
8165        var xhr = new XMLHttpRequest();
8166        if(Decrypter.hasEncryptedAudio) url = Decrypter.extToEncryptExt(url);
8167        xhr.open('GET', url);
8168        xhr.responseType = 'arraybuffer';
8169        xhr.onload = function() {
8170            if (xhr.status < 400) {
8171                this._onXhrLoad(xhr);
8172            }
8173        }.bind(this);
8174        xhr.onerror = this._loader || function(){this._hasError = true;}.bind(this);
8175        xhr.send();
8176    }
8177};
8178
8179/**
8180 * @method _onXhrLoad
8181 * @param {XMLHttpRequest} xhr
8182 * @private
8183 */
8184WebAudio.prototype._onXhrLoad = function(xhr) {
8185    var array = xhr.response;
8186    if(Decrypter.hasEncryptedAudio) array = Decrypter.decryptArrayBuffer(array);
8187    this._readLoopComments(new Uint8Array(array));
8188    WebAudio._context.decodeAudioData(array, function(buffer) {
8189        this._buffer = buffer;
8190        this._totalTime = buffer.duration;
8191        if (this._loopLength > 0 && this._sampleRate > 0) {
8192            this._loopStart /= this._sampleRate;
8193            this._loopLength /= this._sampleRate;
8194        } else {
8195            this._loopStart = 0;
8196            this._loopLength = this._totalTime;
8197        }
8198        this._onLoad();
8199    }.bind(this));
8200};
8201
8202/**
8203 * @method _startPlaying
8204 * @param {Boolean} loop
8205 * @param {Number} offset
8206 * @private
8207 */
8208WebAudio.prototype._startPlaying = function(loop, offset) {
8209    if (this._loopLength > 0) {
8210     while (offset >= this._loopStart + this._loopLength) {
8211     offset -= this._loopLength;
8212     }
8213    }
8214    this._removeEndTimer();
8215    this._removeNodes();
8216    this._createNodes();
8217    this._connectNodes();
8218    this._sourceNode.loop = loop;
8219    this._sourceNode.start(0, offset);
8220    this._startTime = WebAudio._context.currentTime - offset / this._pitch;
8221    this._createEndTimer();
8222};
8223
8224/**
8225 * @method _createNodes
8226 * @private
8227 */
8228WebAudio.prototype._createNodes = function() {
8229    var context = WebAudio._context;
8230    this._sourceNode = context.createBufferSource();
8231    this._sourceNode.buffer = this._buffer;
8232    this._sourceNode.loopStart = this._loopStart;
8233    this._sourceNode.loopEnd = this._loopStart + this._loopLength;
8234    this._sourceNode.playbackRate.setValueAtTime(this._pitch, context.currentTime);
8235    this._gainNode = context.createGain();
8236    this._gainNode.gain.setValueAtTime(this._volume, context.currentTime);
8237    this._pannerNode = context.createPanner();
8238    this._pannerNode.panningModel = 'equalpower';
8239    this._updatePanner();
8240};
8241
8242/**
8243 * @method _connectNodes
8244 * @private
8245 */
8246WebAudio.prototype._connectNodes = function() {
8247    this._sourceNode.connect(this._gainNode);
8248    this._gainNode.connect(this._pannerNode);
8249    this._pannerNode.connect(WebAudio._masterGainNode);
8250};
8251
8252/**
8253 * @method _removeNodes
8254 * @private
8255 */
8256WebAudio.prototype._removeNodes = function() {
8257    if (this._sourceNode) {
8258        this._sourceNode.stop(0);
8259        this._sourceNode = null;
8260        this._gainNode = null;
8261        this._pannerNode = null;
8262    }
8263};
8264
8265/**
8266 * @method _createEndTimer
8267 * @private
8268 */
8269WebAudio.prototype._createEndTimer = function() {
8270    if (this._sourceNode && !this._sourceNode.loop) {
8271        var endTime = this._startTime + this._totalTime / this._pitch;
8272        var delay =  endTime - WebAudio._context.currentTime;
8273        this._endTimer = setTimeout(function() {
8274            this.stop();
8275        }.bind(this), delay * 1000);
8276    }
8277};
8278
8279/**
8280 * @method _removeEndTimer
8281 * @private
8282 */
8283WebAudio.prototype._removeEndTimer = function() {
8284    if (this._endTimer) {
8285        clearTimeout(this._endTimer);
8286        this._endTimer = null;
8287    }
8288};
8289
8290/**
8291 * @method _updatePanner
8292 * @private
8293 */
8294WebAudio.prototype._updatePanner = function() {
8295    if (this._pannerNode) {
8296        var x = this._pan;
8297        var z = 1 - Math.abs(x);
8298        this._pannerNode.setPosition(x, 0, z);
8299    }
8300};
8301
8302/**
8303 * @method _onLoad
8304 * @private
8305 */
8306WebAudio.prototype._onLoad = function() {
8307    while (this._loadListeners.length > 0) {
8308        var listner = this._loadListeners.shift();
8309        listner();
8310    }
8311};
8312
8313/**
8314 * @method _readLoopComments
8315 * @param {Uint8Array} array
8316 * @private
8317 */
8318WebAudio.prototype._readLoopComments = function(array) {
8319    this._readOgg(array);
8320    this._readMp4(array);
8321};
8322
8323/**
8324 * @method _readOgg
8325 * @param {Uint8Array} array
8326 * @private
8327 */
8328WebAudio.prototype._readOgg = function(array) {
8329    var index = 0;
8330    while (index < array.length) {
8331        if (this._readFourCharacters(array, index) === 'OggS') {
8332            index += 26;
8333            var vorbisHeaderFound = false;
8334            var numSegments = array[index++];
8335            var segments = [];
8336            for (var i = 0; i < numSegments; i++) {
8337                segments.push(array[index++]);
8338            }
8339            for (i = 0; i < numSegments; i++) {
8340                if (this._readFourCharacters(array, index + 1) === 'vorb') {
8341                    var headerType = array[index];
8342                    if (headerType === 1) {
8343                        this._sampleRate = this._readLittleEndian(array, index + 12);
8344                    } else if (headerType === 3) {
8345                        this._readMetaData(array, index, segments[i]);
8346                    }
8347                    vorbisHeaderFound = true;
8348                }
8349                index += segments[i];
8350            }
8351            if (!vorbisHeaderFound) {
8352                break;
8353            }
8354        } else {
8355            break;
8356        }
8357    }
8358};
8359
8360/**
8361 * @method _readMp4
8362 * @param {Uint8Array} array
8363 * @private
8364 */
8365WebAudio.prototype._readMp4 = function(array) {
8366    if (this._readFourCharacters(array, 4) === 'ftyp') {
8367        var index = 0;
8368        while (index < array.length) {
8369            var size = this._readBigEndian(array, index);
8370            var name = this._readFourCharacters(array, index + 4);
8371            if (name === 'moov') {
8372                index += 8;
8373            } else {
8374                if (name === 'mvhd') {
8375                    this._sampleRate = this._readBigEndian(array, index + 20);
8376                }
8377                if (name === 'udta' || name === 'meta') {
8378                    this._readMetaData(array, index, size);
8379                }
8380                index += size;
8381                if (size <= 1) {
8382                    break;
8383                }
8384            }
8385        }
8386    }
8387};
8388
8389/**
8390 * @method _readMetaData
8391 * @param {Uint8Array} array
8392 * @param {Number} index
8393 * @param {Number} size
8394 * @private
8395 */
8396WebAudio.prototype._readMetaData = function(array, index, size) {
8397    for (var i = index; i < index + size - 10; i++) {
8398        if (this._readFourCharacters(array, i) === 'LOOP') {
8399            var text = '';
8400            while (array[i] > 0) {
8401                text += String.fromCharCode(array[i++]);
8402            }
8403            if (text.match(/LOOPSTART=([0-9]+)/)) {
8404                this._loopStart = parseInt(RegExp.$1);
8405            }
8406            if (text.match(/LOOPLENGTH=([0-9]+)/)) {
8407                this._loopLength = parseInt(RegExp.$1);
8408            }
8409            if (text == 'LOOPSTART' || text == 'LOOPLENGTH') {
8410                var text2 = '';
8411                i += 16;
8412                while (array[i] > 0) {
8413                    text2 += String.fromCharCode(array[i++]);
8414                }
8415                if (text == 'LOOPSTART') {
8416                    this._loopStart = parseInt(text2);
8417                } else {
8418                    this._loopLength = parseInt(text2);
8419                }
8420            }
8421        }
8422    }
8423};
8424
8425/**
8426 * @method _readLittleEndian
8427 * @param {Uint8Array} array
8428 * @param {Number} index
8429 * @private
8430 */
8431WebAudio.prototype._readLittleEndian = function(array, index) {
8432    return (array[index + 3] * 0x1000000 + array[index + 2] * 0x10000 +
8433            array[index + 1] * 0x100 + array[index + 0]);
8434};
8435
8436/**
8437 * @method _readBigEndian
8438 * @param {Uint8Array} array
8439 * @param {Number} index
8440 * @private
8441 */
8442WebAudio.prototype._readBigEndian = function(array, index) {
8443    return (array[index + 0] * 0x1000000 + array[index + 1] * 0x10000 +
8444            array[index + 2] * 0x100 + array[index + 3]);
8445};
8446
8447/**
8448 * @method _readFourCharacters
8449 * @param {Uint8Array} array
8450 * @param {Number} index
8451 * @private
8452 */
8453WebAudio.prototype._readFourCharacters = function(array, index) {
8454    var string = '';
8455    for (var i = 0; i < 4; i++) {
8456        string += String.fromCharCode(array[index + i]);
8457    }
8458    return string;
8459};
8460
8461//-----------------------------------------------------------------------------
8462/**
8463 * The static class that handles HTML5 Audio.
8464 *
8465 * @class Html5Audio
8466 * @constructor
8467 */
8468function Html5Audio() {
8469    throw new Error('This is a static class');
8470}
8471
8472Html5Audio._initialized = false;
8473Html5Audio._unlocked = false;
8474Html5Audio._audioElement = null;
8475Html5Audio._gainTweenInterval = null;
8476Html5Audio._tweenGain = 0;
8477Html5Audio._tweenTargetGain = 0;
8478Html5Audio._tweenGainStep = 0;
8479Html5Audio._staticSePath = null;
8480
8481/**
8482 * Sets up the Html5 Audio.
8483 *
8484 * @static
8485 * @method setup
8486 * @param {String} url The url of the audio file
8487 */
8488Html5Audio.setup = function (url) {
8489    if (!this._initialized) {
8490        this.initialize();
8491    }
8492    this.clear();
8493
8494    if(Decrypter.hasEncryptedAudio && this._audioElement.src) {
8495        window.URL.revokeObjectURL(this._audioElement.src);
8496    }
8497    this._url = url;
8498};
8499
8500/**
8501 * Initializes the audio system.
8502 *
8503 * @static
8504 * @method initialize
8505 * @return {Boolean} True if the audio system is available
8506 */
8507Html5Audio.initialize = function () {
8508    if (!this._initialized) {
8509        if (!this._audioElement) {
8510            try {
8511                this._audioElement = new Audio();
8512            } catch (e) {
8513                this._audioElement = null;
8514            }
8515        }
8516        if (!!this._audioElement) this._setupEventHandlers();
8517        this._initialized = true;
8518    }
8519    return !!this._audioElement;
8520};
8521
8522/**
8523 * @static
8524 * @method _setupEventHandlers
8525 * @private
8526 */
8527Html5Audio._setupEventHandlers = function () {
8528    document.addEventListener('touchstart', this._onTouchStart.bind(this));
8529    document.addEventListener('visibilitychange', this._onVisibilityChange.bind(this));
8530    this._audioElement.addEventListener("loadeddata", this._onLoadedData.bind(this));
8531    this._audioElement.addEventListener("error", this._onError.bind(this));
8532    this._audioElement.addEventListener("ended", this._onEnded.bind(this));
8533};
8534
8535/**
8536 * @static
8537 * @method _onTouchStart
8538 * @private
8539 */
8540Html5Audio._onTouchStart = function () {
8541    if (this._audioElement && !this._unlocked) {
8542        if (this._isLoading) {
8543            this._load(this._url);
8544            this._unlocked = true;
8545        } else {
8546            if (this._staticSePath) {
8547                this._audioElement.src = this._staticSePath;
8548                this._audioElement.volume = 0;
8549                this._audioElement.loop = false;
8550                this._audioElement.play();
8551                this._unlocked = true;
8552            }
8553        }
8554    }
8555};
8556
8557/**
8558 * @static
8559 * @method _onVisibilityChange
8560 * @private
8561 */
8562Html5Audio._onVisibilityChange = function () {
8563    if (document.visibilityState === 'hidden') {
8564        this._onHide();
8565    } else {
8566        this._onShow();
8567    }
8568};
8569
8570/**
8571 * @static
8572 * @method _onLoadedData
8573 * @private
8574 */
8575Html5Audio._onLoadedData = function () {
8576    this._buffered = true;
8577    if (this._unlocked) this._onLoad();
8578};
8579
8580/**
8581 * @static
8582 * @method _onError
8583 * @private
8584 */
8585Html5Audio._onError = function () {
8586    this._hasError = true;
8587};
8588
8589/**
8590 * @static
8591 * @method _onEnded
8592 * @private
8593 */
8594Html5Audio._onEnded = function () {
8595    if (!this._audioElement.loop) {
8596        this.stop();
8597    }
8598};
8599
8600/**
8601 * @static
8602 * @method _onHide
8603 * @private
8604 */
8605Html5Audio._onHide = function () {
8606    this._audioElement.volume = 0;
8607    this._tweenGain = 0;
8608};
8609
8610/**
8611 * @static
8612 * @method _onShow
8613 * @private
8614 */
8615Html5Audio._onShow = function () {
8616    this.fadeIn(0.5);
8617};
8618
8619/**
8620 * Clears the audio data.
8621 *
8622 * @static
8623 * @method clear
8624 */
8625Html5Audio.clear = function () {
8626    this.stop();
8627    this._volume = 1;
8628    this._loadListeners = [];
8629    this._hasError = false;
8630    this._autoPlay = false;
8631    this._isLoading = false;
8632    this._buffered = false;
8633};
8634
8635/**
8636 * Set the URL of static se.
8637 *
8638 * @static
8639 * @param {String} url
8640 */
8641Html5Audio.setStaticSe = function (url) {
8642    if (!this._initialized) {
8643        this.initialize();
8644        this.clear();
8645    }
8646    this._staticSePath = url;
8647};
8648
8649/**
8650 * [read-only] The url of the audio file.
8651 *
8652 * @property url
8653 * @type String
8654 */
8655Object.defineProperty(Html5Audio, 'url', {
8656    get: function () {
8657        return Html5Audio._url;
8658    },
8659    configurable: true
8660});
8661
8662/**
8663 * The volume of the audio.
8664 *
8665 * @property volume
8666 * @type Number
8667 */
8668Object.defineProperty(Html5Audio, 'volume', {
8669    get: function () {
8670        return Html5Audio._volume;
8671    }.bind(this),
8672    set: function (value) {
8673        Html5Audio._volume = value;
8674        if (Html5Audio._audioElement) {
8675            Html5Audio._audioElement.volume = this._volume;
8676        }
8677    },
8678    configurable: true
8679});
8680
8681/**
8682 * Checks whether the audio data is ready to play.
8683 *
8684 * @static
8685 * @method isReady
8686 * @return {Boolean} True if the audio data is ready to play
8687 */
8688Html5Audio.isReady = function () {
8689    return this._buffered;
8690};
8691
8692/**
8693 * Checks whether a loading error has occurred.
8694 *
8695 * @static
8696 * @method isError
8697 * @return {Boolean} True if a loading error has occurred
8698 */
8699Html5Audio.isError = function () {
8700    return this._hasError;
8701};
8702
8703/**
8704 * Checks whether the audio is playing.
8705 *
8706 * @static
8707 * @method isPlaying
8708 * @return {Boolean} True if the audio is playing
8709 */
8710Html5Audio.isPlaying = function () {
8711    return !this._audioElement.paused;
8712};
8713
8714/**
8715 * Plays the audio.
8716 *
8717 * @static
8718 * @method play
8719 * @param {Boolean} loop Whether the audio data play in a loop
8720 * @param {Number} offset The start position to play in seconds
8721 */
8722Html5Audio.play = function (loop, offset) {
8723    if (this.isReady()) {
8724        offset = offset || 0;
8725        this._startPlaying(loop, offset);
8726    } else if (Html5Audio._audioElement) {
8727        this._autoPlay = true;
8728        this.addLoadListener(function () {
8729            if (this._autoPlay) {
8730                this.play(loop, offset);
8731                if (this._gainTweenInterval) {
8732                    clearInterval(this._gainTweenInterval);
8733                    this._gainTweenInterval = null;
8734                }
8735            }
8736        }.bind(this));
8737        if (!this._isLoading) this._load(this._url);
8738    }
8739};
8740
8741/**
8742 * Stops the audio.
8743 *
8744 * @static
8745 * @method stop
8746 */
8747Html5Audio.stop = function () {
8748    if (this._audioElement) this._audioElement.pause();
8749    this._autoPlay = false;
8750    if (this._tweenInterval) {
8751        clearInterval(this._tweenInterval);
8752        this._tweenInterval = null;
8753        this._audioElement.volume = 0;
8754    }
8755};
8756
8757/**
8758 * Performs the audio fade-in.
8759 *
8760 * @static
8761 * @method fadeIn
8762 * @param {Number} duration Fade-in time in seconds
8763 */
8764Html5Audio.fadeIn = function (duration) {
8765    if (this.isReady()) {
8766        if (this._audioElement) {
8767            this._tweenTargetGain = this._volume;
8768            this._tweenGain = 0;
8769            this._startGainTween(duration);
8770        }
8771    } else if (this._autoPlay) {
8772        this.addLoadListener(function () {
8773            this.fadeIn(duration);
8774        }.bind(this));
8775    }
8776};
8777
8778/**
8779 * Performs the audio fade-out.
8780 *
8781 * @static
8782 * @method fadeOut
8783 * @param {Number} duration Fade-out time in seconds
8784 */
8785Html5Audio.fadeOut = function (duration) {
8786    if (this._audioElement) {
8787        this._tweenTargetGain = 0;
8788        this._tweenGain = this._volume;
8789        this._startGainTween(duration);
8790    }
8791};
8792
8793/**
8794 * Gets the seek position of the audio.
8795 *
8796 * @static
8797 * @method seek
8798 */
8799Html5Audio.seek = function () {
8800    if (this._audioElement) {
8801        return this._audioElement.currentTime;
8802    } else {
8803        return 0;
8804    }
8805};
8806
8807/**
8808 * Add a callback function that will be called when the audio data is loaded.
8809 *
8810 * @static
8811 * @method addLoadListener
8812 * @param {Function} listner The callback function
8813 */
8814Html5Audio.addLoadListener = function (listner) {
8815    this._loadListeners.push(listner);
8816};
8817
8818/**
8819 * @static
8820 * @method _load
8821 * @param {String} url
8822 * @private
8823 */
8824Html5Audio._load = function (url) {
8825    if (this._audioElement) {
8826        this._isLoading = true;
8827        this._audioElement.src = url;
8828        this._audioElement.load();
8829    }
8830};
8831
8832/**
8833 * @static
8834 * @method _startPlaying
8835 * @param {Boolean} loop
8836 * @param {Number} offset
8837 * @private
8838 */
8839Html5Audio._startPlaying = function (loop, offset) {
8840    this._audioElement.loop = loop;
8841    if (this._gainTweenInterval) {
8842        clearInterval(this._gainTweenInterval);
8843        this._gainTweenInterval = null;
8844    }
8845    if (this._audioElement) {
8846        this._audioElement.volume = this._volume;
8847        this._audioElement.currentTime = offset;
8848        this._audioElement.play();
8849    }
8850};
8851
8852/**
8853 * @static
8854 * @method _onLoad
8855 * @private
8856 */
8857Html5Audio._onLoad = function () {
8858    this._isLoading = false;
8859    while (this._loadListeners.length > 0) {
8860        var listener = this._loadListeners.shift();
8861        listener();
8862    }
8863};
8864
8865/**
8866 * @static
8867 * @method _startGainTween
8868 * @params {Number} duration
8869 * @private
8870 */
8871Html5Audio._startGainTween = function (duration) {
8872    this._audioElement.volume = this._tweenGain;
8873    if (this._gainTweenInterval) {
8874        clearInterval(this._gainTweenInterval);
8875        this._gainTweenInterval = null;
8876    }
8877    this._tweenGainStep = (this._tweenTargetGain - this._tweenGain) / (60 * duration);
8878    this._gainTweenInterval = setInterval(function () {
8879        Html5Audio._applyTweenValue(Html5Audio._tweenTargetGain);
8880    }, 1000 / 60);
8881};
8882
8883/**
8884 * @static
8885 * @method _applyTweenValue
8886 * @param {Number} volume
8887 * @private
8888 */
8889Html5Audio._applyTweenValue = function (volume) {
8890    Html5Audio._tweenGain += Html5Audio._tweenGainStep;
8891    if (Html5Audio._tweenGain < 0 && Html5Audio._tweenGainStep < 0) {
8892        Html5Audio._tweenGain = 0;
8893    }
8894    else if (Html5Audio._tweenGain > volume && Html5Audio._tweenGainStep > 0) {
8895        Html5Audio._tweenGain = volume;
8896    }
8897
8898    if (Math.abs(Html5Audio._tweenTargetGain - Html5Audio._tweenGain) < 0.01) {
8899        Html5Audio._tweenGain = Html5Audio._tweenTargetGain;
8900        clearInterval(Html5Audio._gainTweenInterval);
8901        Html5Audio._gainTweenInterval = null;
8902    }
8903
8904    Html5Audio._audioElement.volume = Html5Audio._tweenGain;
8905};
8906
8907//-----------------------------------------------------------------------------
8908/**
8909 * The static class that handles JSON with object information.
8910 *
8911 * @class JsonEx
8912 */
8913function JsonEx() {
8914    throw new Error('This is a static class');
8915}
8916
8917/**
8918 * The maximum depth of objects.
8919 *
8920 * @static
8921 * @property maxDepth
8922 * @type Number
8923 * @default 100
8924 */
8925JsonEx.maxDepth = 100;
8926
8927JsonEx._id = 1;
8928JsonEx._generateId = function(){
8929    return JsonEx._id++;
8930};
8931
8932/**
8933 * Converts an object to a JSON string with object information.
8934 *
8935 * @static
8936 * @method stringify
8937 * @param {Object} object The object to be converted
8938 * @return {String} The JSON string
8939 */
8940JsonEx.stringify = function(object) {
8941    var circular = [];
8942    JsonEx._id = 1;
8943    var json = JSON.stringify(this._encode(object, circular, 0));
8944    this._cleanMetadata(object);
8945    this._restoreCircularReference(circular);
8946
8947    return json;
8948};
8949
8950JsonEx._restoreCircularReference = function(circulars){
8951    circulars.forEach(function(circular){
8952        var key = circular[0];
8953        var value = circular[1];
8954        var content = circular[2];
8955
8956        value[key] = content;
8957    });
8958};
8959
8960/**
8961 * Parses a JSON string and reconstructs the corresponding object.
8962 *
8963 * @static
8964 * @method parse
8965 * @param {String} json The JSON string
8966 * @return {Object} The reconstructed object
8967 */
8968JsonEx.parse = function(json) {
8969    var circular = [];
8970    var registry = {};
8971    var contents = this._decode(JSON.parse(json), circular, registry);
8972    this._cleanMetadata(contents);
8973    this._linkCircularReference(contents, circular, registry);
8974
8975    return contents;
8976};
8977
8978JsonEx._linkCircularReference = function(contents, circulars, registry){
8979    circulars.forEach(function(circular){
8980        var key = circular[0];
8981        var value = circular[1];
8982        var id = circular[2];
8983
8984        value[key] = registry[id];
8985    });
8986};
8987
8988JsonEx._cleanMetadata = function(object){
8989    if(!object) return;
8990
8991    delete object['@'];
8992    delete object['@c'];
8993
8994    if(typeof object === 'object'){
8995        Object.keys(object).forEach(function(key){
8996            var value = object[key];
8997            if(typeof value === 'object'){
8998                JsonEx._cleanMetadata(value);
8999            }
9000        });
9001    }
9002};
9003
9004
9005/**
9006 * Makes a deep copy of the specified object.
9007 *
9008 * @static
9009 * @method makeDeepCopy
9010 * @param {Object} object The object to be copied
9011 * @return {Object} The copied object
9012 */
9013JsonEx.makeDeepCopy = function(object) {
9014    return this.parse(this.stringify(object));
9015};
9016
9017/**
9018 * @static
9019 * @method _encode
9020 * @param {Object} value
9021 * @param {Array} circular
9022 * @param {Number} depth
9023 * @return {Object}
9024 * @private
9025 */
9026JsonEx._encode = function(value, circular, depth) {
9027    depth = depth || 0;
9028    if (++depth >= this.maxDepth) {
9029        throw new Error('Object too deep');
9030    }
9031    var type = Object.prototype.toString.call(value);
9032    if (type === '[object Object]' || type === '[object Array]') {
9033        value['@c'] = JsonEx._generateId();
9034
9035        var constructorName = this._getConstructorName(value);
9036        if (constructorName !== 'Object' && constructorName !== 'Array') {
9037            value['@'] = constructorName;
9038        }
9039        for (var key in value) {
9040            if (value.hasOwnProperty(key) && !key.match(/^@./)) {
9041                if(value[key] && typeof value[key] === 'object'){
9042                    if(value[key]['@c']){
9043                        circular.push([key, value, value[key]]);
9044                        value[key] = {'@r': value[key]['@c']};
9045                    }else{
9046                        value[key] = this._encode(value[key], circular, depth + 1);
9047
9048                        if(value[key] instanceof Array){
9049                            //wrap array
9050                            circular.push([key, value, value[key]]);
9051
9052                            value[key] = {
9053                                '@c': value[key]['@c'],
9054                                '@a': value[key]
9055                            };
9056                        }
9057                    }
9058                }else{
9059                    value[key] = this._encode(value[key], circular, depth + 1);
9060                }
9061            }
9062        }
9063    }
9064    depth--;
9065    return value;
9066};
9067
9068/**
9069 * @static
9070 * @method _decode
9071 * @param {Object} value
9072 * @param {Array} circular
9073 * @param {Object} registry
9074 * @return {Object}
9075 * @private
9076 */
9077JsonEx._decode = function(value, circular, registry) {
9078    var type = Object.prototype.toString.call(value);
9079    if (type === '[object Object]' || type === '[object Array]') {
9080        registry[value['@c']] = value;
9081
9082        if (value['@']) {
9083            var constructor = window[value['@']];
9084            if (constructor) {
9085                value = this._resetPrototype(value, constructor.prototype);
9086            }
9087        }
9088        for (var key in value) {
9089            if (value.hasOwnProperty(key)) {
9090                if(value[key] && value[key]['@a']){
9091                    //object is array wrapper
9092                    var body = value[key]['@a'];
9093                    body['@c'] = value[key]['@c'];
9094                    value[key] = body;
9095                }
9096                if(value[key] && value[key]['@r']){
9097                    //object is reference
9098                    circular.push([key, value, value[key]['@r']])
9099                }
9100                value[key] = this._decode(value[key], circular, registry);
9101            }
9102        }
9103    }
9104    return value;
9105};
9106
9107/**
9108 * @static
9109 * @method _getConstructorName
9110 * @param {Object} value
9111 * @return {String}
9112 * @private
9113 */
9114JsonEx._getConstructorName = function(value) {
9115    var name = value.constructor.name;
9116    if (name === undefined) {
9117        var func = /^\s*function\s*([A-Za-z0-9_$]*)/;
9118        name = func.exec(value.constructor)[1];
9119    }
9120    return name;
9121};
9122
9123/**
9124 * @static
9125 * @method _resetPrototype
9126 * @param {Object} value
9127 * @param {Object} prototype
9128 * @return {Object}
9129 * @private
9130 */
9131JsonEx._resetPrototype = function(value, prototype) {
9132    if (Object.setPrototypeOf !== undefined) {
9133        Object.setPrototypeOf(value, prototype);
9134    } else if ('__proto__' in value) {
9135        value.__proto__ = prototype;
9136    } else {
9137        var newValue = Object.create(prototype);
9138        for (var key in value) {
9139            if (value.hasOwnProperty(key)) {
9140                newValue[key] = value[key];
9141            }
9142        }
9143        value = newValue;
9144    }
9145    return value;
9146};
9147
9148
9149function Decrypter() {
9150    throw new Error('This is a static class');
9151}
9152
9153Decrypter.hasEncryptedImages = false;
9154Decrypter.hasEncryptedAudio = false;
9155Decrypter._requestImgFile = [];
9156Decrypter._headerlength = 16;
9157Decrypter._xhrOk = 400;
9158Decrypter._encryptionKey = "";
9159Decrypter._ignoreList = [
9160    "img/system/Window.png"
9161];
9162Decrypter.SIGNATURE = "5250474d56000000";
9163Decrypter.VER = "000301";
9164Decrypter.REMAIN = "0000000000";
9165
9166Decrypter.checkImgIgnore = function(url){
9167    for(var cnt = 0; cnt < this._ignoreList.length; cnt++) {
9168        if(url === this._ignoreList[cnt]) return true;
9169    }
9170    return false;
9171};
9172
9173Decrypter.decryptImg = function(url, bitmap) {
9174    url = this.extToEncryptExt(url);
9175
9176    var requestFile = new XMLHttpRequest();
9177    requestFile.open("GET", url);
9178    requestFile.responseType = "arraybuffer";
9179    requestFile.send();
9180
9181    requestFile.onload = function () {
9182        if(this.status < Decrypter._xhrOk) {
9183            var arrayBuffer = Decrypter.decryptArrayBuffer(requestFile.response);
9184            bitmap._image.src = Decrypter.createBlobUrl(arrayBuffer);
9185            bitmap._image.addEventListener('load', bitmap._loadListener = Bitmap.prototype._onLoad.bind(bitmap));
9186            bitmap._image.addEventListener('error', bitmap._errorListener = bitmap._loader || Bitmap.prototype._onError.bind(bitmap));
9187        }
9188    };
9189
9190    requestFile.onerror = function () {
9191        if (bitmap._loader) {
9192            bitmap._loader();
9193        } else {
9194            bitmap._onError();
9195        }
9196    };
9197};
9198
9199Decrypter.decryptHTML5Audio = function(url, bgm, pos) {
9200    var requestFile = new XMLHttpRequest();
9201    requestFile.open("GET", url);
9202    requestFile.responseType = "arraybuffer";
9203    requestFile.send();
9204
9205    requestFile.onload = function () {
9206        if(this.status < Decrypter._xhrOk) {
9207            var arrayBuffer = Decrypter.decryptArrayBuffer(requestFile.response);
9208            var url = Decrypter.createBlobUrl(arrayBuffer);
9209            AudioManager.createDecryptBuffer(url, bgm, pos);
9210        }
9211    };
9212};
9213
9214Decrypter.cutArrayHeader = function(arrayBuffer, length) {
9215    return arrayBuffer.slice(length);
9216};
9217
9218Decrypter.decryptArrayBuffer = function(arrayBuffer) {
9219    if (!arrayBuffer) return null;
9220    var header = new Uint8Array(arrayBuffer, 0, this._headerlength);
9221
9222    var i;
9223    var ref = this.SIGNATURE + this.VER + this.REMAIN;
9224    var refBytes = new Uint8Array(16);
9225    for (i = 0; i < this._headerlength; i++) {
9226        refBytes[i] = parseInt("0x" + ref.substr(i * 2, 2), 16);
9227    }
9228    for (i = 0; i < this._headerlength; i++) {
9229        if (header[i] !== refBytes[i]) {
9230            throw new Error("Header is wrong");
9231        }
9232    }
9233
9234    arrayBuffer = this.cutArrayHeader(arrayBuffer, Decrypter._headerlength);
9235    var view = new DataView(arrayBuffer);
9236    this.readEncryptionkey();
9237    if (arrayBuffer) {
9238        var byteArray = new Uint8Array(arrayBuffer);
9239        for (i = 0; i < this._headerlength; i++) {
9240            byteArray[i] = byteArray[i] ^ parseInt(Decrypter._encryptionKey[i], 16);
9241            view.setUint8(i, byteArray[i]);
9242        }
9243    }
9244
9245    return arrayBuffer;
9246};
9247
9248Decrypter.createBlobUrl = function(arrayBuffer){
9249    var blob = new Blob([arrayBuffer]);
9250    return window.URL.createObjectURL(blob);
9251};
9252
9253Decrypter.extToEncryptExt = function(url) {
9254    var ext = url.split('.').pop();
9255    var encryptedExt = ext;
9256
9257    if(ext === "ogg") encryptedExt = ".rpgmvo";
9258    else if(ext === "m4a") encryptedExt = ".rpgmvm";
9259    else if(ext === "png") encryptedExt = ".rpgmvp";
9260    else encryptedExt = ext;
9261
9262    return url.slice(0, url.lastIndexOf(ext) - 1) + encryptedExt;
9263};
9264
9265Decrypter.readEncryptionkey = function(){
9266    this._encryptionKey = $dataSystem.encryptionKey.split(/(.{2})/).filter(Boolean);
9267};
9268
9269//-----------------------------------------------------------------------------
9270/**
9271 * The static class that handles resource loading.
9272 *
9273 * @class ResourceHandler
9274 */
9275function ResourceHandler() {
9276    throw new Error('This is a static class');
9277}
9278
9279ResourceHandler._reloaders = [];
9280ResourceHandler._defaultRetryInterval = [500, 1000, 3000];
9281
9282ResourceHandler.createLoader = function(url, retryMethod, resignMethod, retryInterval) {
9283    retryInterval = retryInterval || this._defaultRetryInterval;
9284    var reloaders = this._reloaders;
9285    var retryCount = 0;
9286    return function() {
9287        if (retryCount < retryInterval.length) {
9288            setTimeout(retryMethod, retryInterval[retryCount]);
9289            retryCount++;
9290        } else {
9291            if (resignMethod) {
9292                resignMethod();
9293            }
9294            if (url) {
9295                if (reloaders.length === 0) {
9296                    Graphics.printLoadingError(url);
9297                    SceneManager.stop();
9298                }
9299                reloaders.push(function() {
9300                    retryCount = 0;
9301                    retryMethod();
9302                });
9303            }
9304        }
9305    };
9306};
9307
9308ResourceHandler.exists = function() {
9309    return this._reloaders.length > 0;
9310};
9311
9312ResourceHandler.retry = function() {
9313    if (this._reloaders.length > 0) {
9314        Graphics.eraseLoadingError();
9315        SceneManager.resume();
9316        this._reloaders.forEach(function(reloader) {
9317            reloader();
9318        });
9319        this._reloaders.length = 0;
9320    }
9321};