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1826 lines
52 KiB
HTML
1826 lines
52 KiB
HTML
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<div class="span12">
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<div id="main">
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<h1 class="page-title">Source: loader/Loader.js</h1>
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<section>
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<article>
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<pre class="sunlight-highlight-javascript linenums">/**
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* @author Richard Davey <rich@photonstorm.com>
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* @copyright 2014 Photon Storm Ltd.
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* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
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*/
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/**
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* Phaser loader constructor.
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* The Loader handles loading all external content such as Images, Sounds, Texture Atlases and data files.
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* It uses a combination of Image() loading and xhr and provides progress and completion callbacks.
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* @class Phaser.Loader
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* @classdesc The Loader handles loading all external content such as Images, Sounds, Texture Atlases and data files.
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* It uses a combination of Image() loading and xhr and provides progress and completion callbacks.
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* @constructor
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* @param {Phaser.Game} game - A reference to the currently running game.
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*/
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Phaser.Loader = function (game) {
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/**
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* @property {Phaser.Game} game - Local reference to game.
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*/
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this.game = game;
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/**
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* @property {array} _fileList - Contains all the assets file infos.
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* @private
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*/
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this._fileList = [];
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/**
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* @property {number} _fileIndex - The index of the current file being loaded.
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* @private
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*/
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this._fileIndex = 0;
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/**
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* @property {number} _progressChunk - Indicates the size of 1 file in terms of a percentage out of 100.
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* @private
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* @default
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*/
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this._progressChunk = 0;
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/**
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* @property {XMLHttpRequest} - An XMLHttpRequest object used for loading text and audio data.
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* @private
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*/
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this._xhr = new XMLHttpRequest();
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/**
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* @property {boolean} isLoading - True if the Loader is in the process of loading the queue.
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* @default
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*/
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this.isLoading = false;
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/**
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* @property {boolean} hasLoaded - True if all assets in the queue have finished loading.
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* @default
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*/
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this.hasLoaded = false;
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/**
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* @property {number} progress - The rounded load progress percentage value (from 0 to 100)
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* @default
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*/
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this.progress = 0;
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/**
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* @property {number} progressFloat - The non-rounded load progress value (from 0.0 to 100.0)
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* @default
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*/
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this.progressFloat = 0;
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/**
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* You can optionally link a sprite to the preloader.
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* If you do so the Sprite's width or height will be cropped based on the percentage loaded.
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* @property {Phaser.Sprite} preloadSprite
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* @default
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*/
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this.preloadSprite = null;
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/**
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* @property {string} crossOrigin - The crossOrigin value applied to loaded images
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*/
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this.crossOrigin = '';
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/**
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* If you want to append a URL before the path of any asset you can set this here.
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* Useful if you need to allow an asset url to be configured outside of the game code.
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* MUST have / on the end of it!
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* @property {string} baseURL
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* @default
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*/
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this.baseURL = '';
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/**
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* @property {Phaser.Signal} onFileComplete - Event signal.
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*/
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this.onFileComplete = new Phaser.Signal();
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/**
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* @property {Phaser.Signal} onFileError - Event signal.
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*/
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this.onFileError = new Phaser.Signal();
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/**
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* @property {Phaser.Signal} onLoadStart - Event signal.
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*/
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this.onLoadStart = new Phaser.Signal();
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/**
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* @property {Phaser.Signal} onLoadComplete - Event signal.
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*/
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this.onLoadComplete = new Phaser.Signal();
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};
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/**
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* @constant
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* @type {number}
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*/
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Phaser.Loader.TEXTURE_ATLAS_JSON_ARRAY = 0;
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/**
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* @constant
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* @type {number}
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*/
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Phaser.Loader.TEXTURE_ATLAS_JSON_HASH = 1;
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/**
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* @constant
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* @type {number}
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*/
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Phaser.Loader.TEXTURE_ATLAS_XML_STARLING = 2;
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Phaser.Loader.prototype = {
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/**
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* You can set a Sprite to be a "preload" sprite by passing it to this method.
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* A "preload" sprite will have its width or height crop adjusted based on the percentage of the loader in real-time.
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* This allows you to easily make loading bars for games.
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*
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* @method Phaser.Loader#setPreloadSprite
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* @param {Phaser.Sprite} sprite - The sprite that will be cropped during the load.
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* @param {number} [direction=0] - A value of zero means the sprite width will be cropped, a value of 1 means its height will be cropped.
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*/
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setPreloadSprite: function (sprite, direction) {
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direction = direction || 0;
|
|
|
|
this.preloadSprite = { sprite: sprite, direction: direction, width: sprite.width, height: sprite.height, crop: null };
|
|
|
|
if (direction === 0)
|
|
{
|
|
// Horizontal crop
|
|
this.preloadSprite.crop = new Phaser.Rectangle(0, 0, 1, sprite.height);
|
|
}
|
|
else
|
|
{
|
|
// Vertical crop
|
|
this.preloadSprite.crop = new Phaser.Rectangle(0, 0, sprite.width, 1);
|
|
}
|
|
|
|
sprite.crop = this.preloadSprite.crop;
|
|
sprite.cropEnabled = true;
|
|
|
|
},
|
|
|
|
/**
|
|
* Check whether asset exists with a specific key.
|
|
*
|
|
* @method Phaser.Loader#checkKeyExists
|
|
* @param {string} type - The type asset you want to check.
|
|
* @param {string} key - Key of the asset you want to check.
|
|
* @return {boolean} Return true if exists, otherwise return false.
|
|
*/
|
|
checkKeyExists: function (type, key) {
|
|
|
|
if (this._fileList.length > 0)
|
|
{
|
|
for (var i = 0; i < this._fileList.length; i++)
|
|
{
|
|
if (this._fileList[i].type === type && this._fileList[i].key === key)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
|
|
},
|
|
|
|
/**
|
|
* Gets the asset that is queued for load.
|
|
*
|
|
* @method Phaser.Loader#getAsset
|
|
* @param {string} type - The type asset you want to check.
|
|
* @param {string} key - Key of the asset you want to check.
|
|
* @return {any} Returns an object if found that has 2 properties: index and file. Otherwise false.
|
|
*/
|
|
getAsset: function (type, key) {
|
|
|
|
if (this._fileList.length > 0)
|
|
{
|
|
for (var i = 0; i < this._fileList.length; i++)
|
|
{
|
|
if (this._fileList[i].type === type && this._fileList[i].key === key)
|
|
{
|
|
return { index: i, file: this._fileList[i] };
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
|
|
},
|
|
|
|
/**
|
|
* Reset loader, this will remove the load queue.
|
|
*
|
|
* @method Phaser.Loader#reset
|
|
*/
|
|
reset: function () {
|
|
|
|
this.preloadSprite = null;
|
|
this.isLoading = false;
|
|
this._fileList.length = 0;
|
|
this._fileIndex = 0;
|
|
|
|
},
|
|
|
|
/**
|
|
* Internal function that adds a new entry to the file list. Do not call directly.
|
|
*
|
|
* @method Phaser.Loader#addToFileList
|
|
* @param {string} type - The type of resource to add to the list (image, audio, xml, etc).
|
|
* @param {string} key - The unique Cache ID key of this resource.
|
|
* @param {string} url - The URL the asset will be loaded from.
|
|
* @param {object} properties - Any additional properties needed to load the file.
|
|
* @protected
|
|
*/
|
|
addToFileList: function (type, key, url, properties) {
|
|
|
|
var entry = {
|
|
type: type,
|
|
key: key,
|
|
url: url,
|
|
data: null,
|
|
error: false,
|
|
loaded: false
|
|
};
|
|
|
|
if (typeof properties !== "undefined")
|
|
{
|
|
for (var prop in properties)
|
|
{
|
|
entry[prop] = properties[prop];
|
|
}
|
|
}
|
|
|
|
if (this.checkKeyExists(type, key) === false)
|
|
{
|
|
this._fileList.push(entry);
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Internal function that replaces an existing entry in the file list with a new one. Do not call directly.
|
|
*
|
|
* @method Phaser.Loader#replaceInFileList
|
|
* @param {string} type - The type of resource to add to the list (image, audio, xml, etc).
|
|
* @param {string} key - The unique Cache ID key of this resource.
|
|
* @param {string} url - The URL the asset will be loaded from.
|
|
* @param {object} properties - Any additional properties needed to load the file.
|
|
* @protected
|
|
*/
|
|
replaceInFileList: function (type, key, url, properties) {
|
|
|
|
var entry = {
|
|
type: type,
|
|
key: key,
|
|
url: url,
|
|
data: null,
|
|
error: false,
|
|
loaded: false
|
|
};
|
|
|
|
if (typeof properties !== "undefined")
|
|
{
|
|
for (var prop in properties)
|
|
{
|
|
entry[prop] = properties[prop];
|
|
}
|
|
}
|
|
|
|
if (this.checkKeyExists(type, key) === false)
|
|
{
|
|
this._fileList.push(entry);
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Add an image to the Loader.
|
|
*
|
|
* @method Phaser.Loader#image
|
|
* @param {string} key - Unique asset key of this image file.
|
|
* @param {string} url - URL of image file.
|
|
* @param {boolean} [overwrite=false] - If an unloaded file with a matching key already exists in the queue, this entry will overwrite it.
|
|
* @return {Phaser.Loader} This Loader instance.
|
|
*/
|
|
image: function (key, url, overwrite) {
|
|
|
|
if (typeof overwrite === "undefined") { overwrite = false; }
|
|
|
|
if (overwrite)
|
|
{
|
|
this.replaceInFileList('image', key, url);
|
|
}
|
|
else
|
|
{
|
|
this.addToFileList('image', key, url);
|
|
}
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Add a text file to the Loader.
|
|
*
|
|
* @method Phaser.Loader#text
|
|
* @param {string} key - Unique asset key of the text file.
|
|
* @param {string} url - URL of the text file.
|
|
* @param {boolean} [overwrite=false] - If an unloaded file with a matching key already exists in the queue, this entry will overwrite it.
|
|
* @return {Phaser.Loader} This Loader instance.
|
|
*/
|
|
text: function (key, url, overwrite) {
|
|
|
|
if (typeof overwrite === "undefined") { overwrite = false; }
|
|
|
|
if (overwrite)
|
|
{
|
|
this.replaceInFileList('text', key, url);
|
|
}
|
|
else
|
|
{
|
|
this.addToFileList('text', key, url);
|
|
}
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Add a JavaScript file to the Loader. Once loaded the JavaScript file will be automatically turned into a script tag (and executed), so be careful what you load!
|
|
*
|
|
* @method Phaser.Loader#script
|
|
* @param {string} key - Unique asset key of the script file.
|
|
* @param {string} url - URL of the JavaScript file.
|
|
* @return {Phaser.Loader} This Loader instance.
|
|
*/
|
|
script: function (key, url) {
|
|
|
|
this.addToFileList('script', key, url);
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Add a binary file to the Loader. It will be loaded via xhr with a responseType of "arraybuffer". You can specify an optional callback to process the file after load.
|
|
* When the callback is called it will be passed 2 parameters: the key of the file and the file data.
|
|
* WARNING: If you specify a callback, the file data will be set to whatever your callback returns. So always return the data object, even if you didn't modify it.
|
|
*
|
|
* @method Phaser.Loader#binary
|
|
* @param {string} key - Unique asset key of the binary file.
|
|
* @param {string} url - URL of the binary file.
|
|
* @param {function} [callback] - Optional callback that will be passed the file after loading, so you can perform additional processing on it.
|
|
* @param {function} [callbackContext] - The context under which the callback will be applied. If not specified it will use the callback itself as the context.
|
|
* @return {Phaser.Loader} This Loader instance.
|
|
*/
|
|
binary: function (key, url, callback, callbackContext) {
|
|
|
|
if (typeof callback === 'undefined') { callback = false; }
|
|
if (callback !== false && typeof callbackContext === 'undefined') { callbackContext = callback; }
|
|
|
|
this.addToFileList('binary', key, url, { callback: callback, callbackContext: callbackContext });
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Add a new sprite sheet to the loader.
|
|
*
|
|
* @method Phaser.Loader#spritesheet
|
|
* @param {string} key - Unique asset key of the sheet file.
|
|
* @param {string} url - URL of the sheet file.
|
|
* @param {number} frameWidth - Width of each single frame.
|
|
* @param {number} frameHeight - Height of each single frame.
|
|
* @param {number} [frameMax=-1] - How many frames in this sprite sheet. If not specified it will divide the whole image into frames.
|
|
* @param {number} [margin=0] - If the frames have been drawn with a margin, specify the amount here.
|
|
* @param {number} [spacing=0] - If the frames have been drawn with spacing between them, specify the amount here.
|
|
* @return {Phaser.Loader} This Loader instance.
|
|
*/
|
|
spritesheet: function (key, url, frameWidth, frameHeight, frameMax, margin, spacing) {
|
|
|
|
if (typeof frameMax === "undefined") { frameMax = -1; }
|
|
if (typeof margin === "undefined") { margin = 0; }
|
|
if (typeof spacing === "undefined") { spacing = 0; }
|
|
|
|
this.addToFileList('spritesheet', key, url, { frameWidth: frameWidth, frameHeight: frameHeight, frameMax: frameMax, margin: margin, spacing: spacing });
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Add a new audio file to the loader.
|
|
*
|
|
* @method Phaser.Loader#audio
|
|
* @param {string} key - Unique asset key of the audio file.
|
|
* @param {Array|string} urls - An array containing the URLs of the audio files, i.e.: [ 'jump.mp3', 'jump.ogg', 'jump.m4a' ] or a single string containing just one URL.
|
|
* @param {boolean} autoDecode - When using Web Audio the audio files can either be decoded at load time or run-time. They can't be played until they are decoded, but this let's you control when that happens. Decoding is a non-blocking async process.
|
|
* @return {Phaser.Loader} This Loader instance.
|
|
*/
|
|
audio: function (key, urls, autoDecode) {
|
|
|
|
if (typeof autoDecode === "undefined") { autoDecode = true; }
|
|
|
|
this.addToFileList('audio', key, urls, { buffer: null, autoDecode: autoDecode });
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Add a new tilemap loading request.
|
|
*
|
|
* @method Phaser.Loader#tilemap
|
|
* @param {string} key - Unique asset key of the tilemap data.
|
|
* @param {string} [mapDataURL] - The url of the map data file (csv/json)
|
|
* @param {object} [mapData] - An optional JSON data object. If given then the mapDataURL is ignored and this JSON object is used for map data instead.
|
|
* @param {string} [format=Phaser.Tilemap.CSV] - The format of the map data. Either Phaser.Tilemap.CSV or Phaser.Tilemap.TILED_JSON.
|
|
* @return {Phaser.Loader} This Loader instance.
|
|
*/
|
|
tilemap: function (key, mapDataURL, mapData, format) {
|
|
|
|
if (typeof mapDataURL === "undefined") { mapDataURL = null; }
|
|
if (typeof mapData === "undefined") { mapData = null; }
|
|
if (typeof format === "undefined") { format = Phaser.Tilemap.CSV; }
|
|
|
|
if (mapDataURL == null && mapData == null)
|
|
{
|
|
console.warn('Phaser.Loader.tilemap - Both mapDataURL and mapData are null. One must be set.');
|
|
|
|
return this;
|
|
}
|
|
|
|
// A map data object has been given
|
|
if (mapData)
|
|
{
|
|
switch (format)
|
|
{
|
|
// A csv string or object has been given
|
|
case Phaser.Tilemap.CSV:
|
|
break;
|
|
|
|
// An xml string or object has been given
|
|
case Phaser.Tilemap.TILED_JSON:
|
|
|
|
if (typeof mapData === 'string')
|
|
{
|
|
mapData = JSON.parse(mapData);
|
|
}
|
|
break;
|
|
}
|
|
|
|
this.game.cache.addTilemap(key, null, mapData, format);
|
|
}
|
|
else
|
|
{
|
|
this.addToFileList('tilemap', key, mapDataURL, { format: format });
|
|
}
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Add a new bitmap font loading request.
|
|
*
|
|
* @method Phaser.Loader#bitmapFont
|
|
* @param {string} key - Unique asset key of the bitmap font.
|
|
* @param {string} textureURL - The url of the font image file.
|
|
* @param {string} [xmlURL] - The url of the font data file (xml/fnt)
|
|
* @param {object} [xmlData] - An optional XML data object.
|
|
* @return {Phaser.Loader} This Loader instance.
|
|
*/
|
|
bitmapFont: function (key, textureURL, xmlURL, xmlData) {
|
|
|
|
if (typeof xmlURL === "undefined") { xmlURL = null; }
|
|
if (typeof xmlData === "undefined") { xmlData = null; }
|
|
|
|
// A URL to a json/xml file has been given
|
|
if (xmlURL)
|
|
{
|
|
this.addToFileList('bitmapfont', key, textureURL, { xmlURL: xmlURL });
|
|
}
|
|
else
|
|
{
|
|
// An xml string or object has been given
|
|
if (typeof xmlData === 'string')
|
|
{
|
|
var xml;
|
|
|
|
try {
|
|
if (window['DOMParser'])
|
|
{
|
|
var domparser = new DOMParser();
|
|
xml = domparser.parseFromString(xmlData, "text/xml");
|
|
}
|
|
else
|
|
{
|
|
xml = new ActiveXObject("Microsoft.XMLDOM");
|
|
xml.async = 'false';
|
|
xml.loadXML(xmlData);
|
|
}
|
|
}
|
|
catch (e)
|
|
{
|
|
xml = undefined;
|
|
}
|
|
|
|
if (!xml || !xml.documentElement || xml.getElementsByTagName("parsererror").length)
|
|
{
|
|
throw new Error("Phaser.Loader. Invalid Bitmap Font XML given");
|
|
}
|
|
else
|
|
{
|
|
this.addToFileList('bitmapfont', key, textureURL, { xmlURL: null, xmlData: xml });
|
|
}
|
|
}
|
|
}
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Add a new texture atlas to the loader. This atlas uses the JSON Array data format.
|
|
*
|
|
* @method Phaser.Loader#atlasJSONArray
|
|
* @param {string} key - Unique asset key of the texture atlas file.
|
|
* @param {string} textureURL - The url of the texture atlas image file.
|
|
* @param {string} [atlasURL] - The url of the texture atlas data file (json/xml). You don't need this if you are passing an atlasData object instead.
|
|
* @param {object} [atlasData] - A JSON or XML data object. You don't need this if the data is being loaded from a URL.
|
|
* @return {Phaser.Loader} This Loader instance.
|
|
*/
|
|
atlasJSONArray: function (key, textureURL, atlasURL, atlasData) {
|
|
|
|
return this.atlas(key, textureURL, atlasURL, atlasData, Phaser.Loader.TEXTURE_ATLAS_JSON_ARRAY);
|
|
|
|
},
|
|
|
|
/**
|
|
* Add a new texture atlas to the loader. This atlas uses the JSON Hash data format.
|
|
*
|
|
* @method Phaser.Loader#atlasJSONHash
|
|
* @param {string} key - Unique asset key of the texture atlas file.
|
|
* @param {string} textureURL - The url of the texture atlas image file.
|
|
* @param {string} [atlasURL] - The url of the texture atlas data file (json/xml). You don't need this if you are passing an atlasData object instead.
|
|
* @param {object} [atlasData] - A JSON or XML data object. You don't need this if the data is being loaded from a URL.
|
|
* @return {Phaser.Loader} This Loader instance.
|
|
*/
|
|
atlasJSONHash: function (key, textureURL, atlasURL, atlasData) {
|
|
|
|
return this.atlas(key, textureURL, atlasURL, atlasData, Phaser.Loader.TEXTURE_ATLAS_JSON_HASH);
|
|
|
|
},
|
|
|
|
/**
|
|
* Add a new texture atlas to the loader. This atlas uses the Starling XML data format.
|
|
*
|
|
* @method Phaser.Loader#atlasXML
|
|
* @param {string} key - Unique asset key of the texture atlas file.
|
|
* @param {string} textureURL - The url of the texture atlas image file.
|
|
* @param {string} [atlasURL] - The url of the texture atlas data file (json/xml). You don't need this if you are passing an atlasData object instead.
|
|
* @param {object} [atlasData] - A JSON or XML data object. You don't need this if the data is being loaded from a URL.
|
|
* @return {Phaser.Loader} This Loader instance.
|
|
*/
|
|
atlasXML: function (key, textureURL, atlasURL, atlasData) {
|
|
|
|
return this.atlas(key, textureURL, atlasURL, atlasData, Phaser.Loader.TEXTURE_ATLAS_XML_STARLING);
|
|
|
|
},
|
|
|
|
/**
|
|
* Add a new texture atlas to the loader.
|
|
*
|
|
* @method Phaser.Loader#atlas
|
|
* @param {string} key - Unique asset key of the texture atlas file.
|
|
* @param {string} textureURL - The url of the texture atlas image file.
|
|
* @param {string} [atlasURL] - The url of the texture atlas data file (json/xml). You don't need this if you are passing an atlasData object instead.
|
|
* @param {object} [atlasData] - A JSON or XML data object. You don't need this if the data is being loaded from a URL.
|
|
* @param {number} [format] - A value describing the format of the data, the default is Phaser.Loader.TEXTURE_ATLAS_JSON_ARRAY.
|
|
* @return {Phaser.Loader} This Loader instance.
|
|
*/
|
|
atlas: function (key, textureURL, atlasURL, atlasData, format) {
|
|
|
|
if (typeof atlasURL === "undefined") { atlasURL = null; }
|
|
if (typeof atlasData === "undefined") { atlasData = null; }
|
|
if (typeof format === "undefined") { format = Phaser.Loader.TEXTURE_ATLAS_JSON_ARRAY; }
|
|
|
|
// A URL to a json/xml file has been given
|
|
if (atlasURL)
|
|
{
|
|
this.addToFileList('textureatlas', key, textureURL, { atlasURL: atlasURL, format: format });
|
|
}
|
|
else
|
|
{
|
|
switch (format)
|
|
{
|
|
// A json string or object has been given
|
|
case Phaser.Loader.TEXTURE_ATLAS_JSON_ARRAY:
|
|
|
|
if (typeof atlasData === 'string')
|
|
{
|
|
atlasData = JSON.parse(atlasData);
|
|
}
|
|
break;
|
|
|
|
// An xml string or object has been given
|
|
case Phaser.Loader.TEXTURE_ATLAS_XML_STARLING:
|
|
|
|
if (typeof atlasData === 'string')
|
|
{
|
|
var xml;
|
|
|
|
try {
|
|
if (window['DOMParser'])
|
|
{
|
|
var domparser = new DOMParser();
|
|
xml = domparser.parseFromString(atlasData, "text/xml");
|
|
}
|
|
else
|
|
{
|
|
xml = new ActiveXObject("Microsoft.XMLDOM");
|
|
xml.async = 'false';
|
|
xml.loadXML(atlasData);
|
|
}
|
|
}
|
|
catch (e)
|
|
{
|
|
xml = undefined;
|
|
}
|
|
|
|
if (!xml || !xml.documentElement || xml.getElementsByTagName("parsererror").length)
|
|
{
|
|
throw new Error("Phaser.Loader. Invalid Texture Atlas XML given");
|
|
}
|
|
else
|
|
{
|
|
atlasData = xml;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
this.addToFileList('textureatlas', key, textureURL, { atlasURL: null, atlasData: atlasData, format: format });
|
|
|
|
}
|
|
|
|
return this;
|
|
|
|
},
|
|
|
|
/**
|
|
* Remove loading request of a file.
|
|
*
|
|
* @method Phaser.Loader#removeFile
|
|
* @param {string} type - The type of resource to add to the list (image, audio, xml, etc).
|
|
* @param {string} key - Key of the file you want to remove.
|
|
*/
|
|
removeFile: function (type, key) {
|
|
|
|
var file = this.getAsset(type, key);
|
|
|
|
if (file !== false)
|
|
{
|
|
this._fileList.splice(file.index, 1);
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Remove all file loading requests.
|
|
*
|
|
* @method Phaser.Loader#removeAll
|
|
*/
|
|
removeAll: function () {
|
|
|
|
this._fileList.length = 0;
|
|
|
|
},
|
|
|
|
/**
|
|
* Start loading the assets. Normally you don't need to call this yourself as the StateManager will do so.
|
|
*
|
|
* @method Phaser.Loader#start
|
|
*/
|
|
start: function () {
|
|
|
|
if (this.isLoading)
|
|
{
|
|
return;
|
|
}
|
|
|
|
this.progress = 0;
|
|
this.progressFloat = 0;
|
|
this.hasLoaded = false;
|
|
this.isLoading = true;
|
|
|
|
this.onLoadStart.dispatch(this._fileList.length);
|
|
|
|
if (this._fileList.length > 0)
|
|
{
|
|
this._fileIndex = 0;
|
|
this._progressChunk = 100 / this._fileList.length;
|
|
this.loadFile();
|
|
}
|
|
else
|
|
{
|
|
this.progress = 100;
|
|
this.progressFloat = 100;
|
|
this.hasLoaded = true;
|
|
this.onLoadComplete.dispatch();
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Load files. Private method ONLY used by loader.
|
|
*
|
|
* @method Phaser.Loader#loadFile
|
|
* @private
|
|
*/
|
|
loadFile: function () {
|
|
|
|
if (!this._fileList[this._fileIndex])
|
|
{
|
|
console.warn('Phaser.Loader loadFile invalid index ' + this._fileIndex);
|
|
return;
|
|
}
|
|
|
|
var file = this._fileList[this._fileIndex];
|
|
var _this = this;
|
|
|
|
// Image or Data?
|
|
switch (file.type)
|
|
{
|
|
case 'image':
|
|
case 'spritesheet':
|
|
case 'textureatlas':
|
|
case 'bitmapfont':
|
|
file.data = new Image();
|
|
file.data.name = file.key;
|
|
file.data.onload = function () {
|
|
return _this.fileComplete(_this._fileIndex);
|
|
};
|
|
file.data.onerror = function () {
|
|
return _this.fileError(_this._fileIndex);
|
|
};
|
|
file.data.crossOrigin = this.crossOrigin;
|
|
file.data.src = this.baseURL + file.url;
|
|
break;
|
|
|
|
case 'audio':
|
|
file.url = this.getAudioURL(file.url);
|
|
|
|
if (file.url !== null)
|
|
{
|
|
// WebAudio or Audio Tag?
|
|
if (this.game.sound.usingWebAudio)
|
|
{
|
|
this._xhr.open("GET", this.baseURL + file.url, true);
|
|
this._xhr.responseType = "arraybuffer";
|
|
this._xhr.onload = function () {
|
|
return _this.fileComplete(_this._fileIndex);
|
|
};
|
|
this._xhr.onerror = function () {
|
|
return _this.fileError(_this._fileIndex);
|
|
};
|
|
this._xhr.send();
|
|
}
|
|
else if (this.game.sound.usingAudioTag)
|
|
{
|
|
if (this.game.sound.touchLocked)
|
|
{
|
|
// If audio is locked we can't do this yet, so need to queue this load request. Bum.
|
|
file.data = new Audio();
|
|
file.data.name = file.key;
|
|
file.data.preload = 'auto';
|
|
file.data.src = this.baseURL + file.url;
|
|
this.fileComplete(this._fileIndex);
|
|
}
|
|
else
|
|
{
|
|
file.data = new Audio();
|
|
file.data.name = file.key;
|
|
file.data.onerror = function () {
|
|
return _this.fileError(_this._fileIndex);
|
|
};
|
|
file.data.preload = 'auto';
|
|
file.data.src = this.baseURL + file.url;
|
|
file.data.addEventListener('canplaythrough', Phaser.GAMES[this.game.id].load.fileComplete(this._fileIndex), false);
|
|
file.data.load();
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
this.fileError(this._fileIndex);
|
|
}
|
|
|
|
break;
|
|
|
|
case 'tilemap':
|
|
this._xhr.open("GET", this.baseURL + file.url, true);
|
|
this._xhr.responseType = "text";
|
|
|
|
if (file.format === Phaser.Tilemap.TILED_JSON)
|
|
{
|
|
this._xhr.onload = function () {
|
|
return _this.jsonLoadComplete(_this._fileIndex);
|
|
};
|
|
}
|
|
else if (file.format === Phaser.Tilemap.CSV)
|
|
{
|
|
this._xhr.onload = function () {
|
|
return _this.csvLoadComplete(_this._fileIndex);
|
|
};
|
|
}
|
|
else
|
|
{
|
|
throw new Error("Phaser.Loader. Invalid Tilemap format: " + file.format);
|
|
}
|
|
|
|
this._xhr.onerror = function () {
|
|
return _this.dataLoadError(_this._fileIndex);
|
|
};
|
|
this._xhr.send();
|
|
break;
|
|
|
|
case 'text':
|
|
case 'script':
|
|
this._xhr.open("GET", this.baseURL + file.url, true);
|
|
this._xhr.responseType = "text";
|
|
this._xhr.onload = function () {
|
|
return _this.fileComplete(_this._fileIndex);
|
|
};
|
|
this._xhr.onerror = function () {
|
|
return _this.fileError(_this._fileIndex);
|
|
};
|
|
this._xhr.send();
|
|
break;
|
|
|
|
case 'binary':
|
|
this._xhr.open("GET", this.baseURL + file.url, true);
|
|
this._xhr.responseType = "arraybuffer";
|
|
this._xhr.onload = function () {
|
|
return _this.fileComplete(_this._fileIndex);
|
|
};
|
|
this._xhr.onerror = function () {
|
|
return _this.fileError(_this._fileIndex);
|
|
};
|
|
this._xhr.send();
|
|
break;
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Private method ONLY used by loader.
|
|
* @method Phaser.Loader#getAudioURL
|
|
* @param {array|string} urls - Either an array of audio file URLs or a string containing a single URL path.
|
|
* @private
|
|
*/
|
|
getAudioURL: function (urls) {
|
|
|
|
var extension;
|
|
|
|
if (typeof urls === 'string') { urls = [urls]; }
|
|
|
|
for (var i = 0; i < urls.length; i++)
|
|
{
|
|
extension = urls[i].toLowerCase();
|
|
extension = extension.substr((Math.max(0, extension.lastIndexOf(".")) || Infinity) + 1);
|
|
|
|
if (this.game.device.canPlayAudio(extension))
|
|
{
|
|
return urls[i];
|
|
}
|
|
|
|
}
|
|
|
|
return null;
|
|
|
|
},
|
|
|
|
/**
|
|
* Error occured when loading a file.
|
|
*
|
|
* @method Phaser.Loader#fileError
|
|
* @param {number} index - The index of the file in the file queue that errored.
|
|
*/
|
|
fileError: function (index) {
|
|
|
|
this._fileList[index].loaded = true;
|
|
this._fileList[index].error = true;
|
|
|
|
this.onFileError.dispatch(this._fileList[index].key, this._fileList[index]);
|
|
|
|
console.warn("Phaser.Loader error loading file: " + this._fileList[index].key + ' from URL ' + this._fileList[index].url);
|
|
|
|
this.nextFile(index, false);
|
|
|
|
},
|
|
|
|
/**
|
|
* Called when a file is successfully loaded.
|
|
*
|
|
* @method Phaser.Loader#fileComplete
|
|
* @param {number} index - The index of the file in the file queue that loaded.
|
|
*/
|
|
fileComplete: function (index) {
|
|
|
|
if (!this._fileList[index])
|
|
{
|
|
console.warn('Phaser.Loader fileComplete invalid index ' + index);
|
|
return;
|
|
}
|
|
|
|
var file = this._fileList[index];
|
|
file.loaded = true;
|
|
|
|
var loadNext = true;
|
|
var _this = this;
|
|
|
|
switch (file.type)
|
|
{
|
|
case 'image':
|
|
|
|
this.game.cache.addImage(file.key, file.url, file.data);
|
|
break;
|
|
|
|
case 'spritesheet':
|
|
|
|
this.game.cache.addSpriteSheet(file.key, file.url, file.data, file.frameWidth, file.frameHeight, file.frameMax, file.margin, file.spacing);
|
|
break;
|
|
|
|
case 'textureatlas':
|
|
|
|
if (file.atlasURL == null)
|
|
{
|
|
this.game.cache.addTextureAtlas(file.key, file.url, file.data, file.atlasData, file.format);
|
|
}
|
|
else
|
|
{
|
|
// Load the JSON or XML before carrying on with the next file
|
|
loadNext = false;
|
|
this._xhr.open("GET", this.baseURL + file.atlasURL, true);
|
|
this._xhr.responseType = "text";
|
|
|
|
if (file.format == Phaser.Loader.TEXTURE_ATLAS_JSON_ARRAY || file.format == Phaser.Loader.TEXTURE_ATLAS_JSON_HASH)
|
|
{
|
|
this._xhr.onload = function () {
|
|
return _this.jsonLoadComplete(index);
|
|
};
|
|
}
|
|
else if (file.format == Phaser.Loader.TEXTURE_ATLAS_XML_STARLING)
|
|
{
|
|
this._xhr.onload = function () {
|
|
return _this.xmlLoadComplete(index);
|
|
};
|
|
}
|
|
else
|
|
{
|
|
throw new Error("Phaser.Loader. Invalid Texture Atlas format: " + file.format);
|
|
}
|
|
|
|
this._xhr.onerror = function () {
|
|
return _this.dataLoadError(index);
|
|
};
|
|
this._xhr.send();
|
|
}
|
|
break;
|
|
|
|
case 'bitmapfont':
|
|
|
|
if (file.xmlURL == null)
|
|
{
|
|
this.game.cache.addBitmapFont(file.key, file.url, file.data, file.xmlData);
|
|
}
|
|
else
|
|
{
|
|
// Load the XML before carrying on with the next file
|
|
loadNext = false;
|
|
this._xhr.open("GET", this.baseURL + file.xmlURL, true);
|
|
this._xhr.responseType = "text";
|
|
|
|
this._xhr.onload = function () {
|
|
return _this.xmlLoadComplete(index);
|
|
};
|
|
|
|
this._xhr.onerror = function () {
|
|
return _this.dataLoadError(index);
|
|
};
|
|
this._xhr.send();
|
|
}
|
|
break;
|
|
|
|
case 'audio':
|
|
|
|
if (this.game.sound.usingWebAudio)
|
|
{
|
|
file.data = this._xhr.response;
|
|
|
|
this.game.cache.addSound(file.key, file.url, file.data, true, false);
|
|
|
|
if (file.autoDecode)
|
|
{
|
|
this.game.cache.updateSound(key, 'isDecoding', true);
|
|
|
|
var that = this;
|
|
var key = file.key;
|
|
|
|
this.game.sound.context.decodeAudioData(file.data, function (buffer) {
|
|
if (buffer)
|
|
{
|
|
that.game.cache.decodedSound(key, buffer);
|
|
that.game.sound.onSoundDecode.dispatch(key, that.game.cache.getSound(key));
|
|
}
|
|
});
|
|
}
|
|
}
|
|
else
|
|
{
|
|
file.data.removeEventListener('canplaythrough', Phaser.GAMES[this.game.id].load.fileComplete);
|
|
this.game.cache.addSound(file.key, file.url, file.data, false, true);
|
|
}
|
|
break;
|
|
|
|
case 'text':
|
|
file.data = this._xhr.responseText;
|
|
this.game.cache.addText(file.key, file.url, file.data);
|
|
break;
|
|
|
|
case 'script':
|
|
file.data = document.createElement('script');
|
|
file.data.language = 'javascript';
|
|
file.data.type = 'text/javascript';
|
|
file.data.defer = false;
|
|
file.data.text = this._xhr.responseText;
|
|
document.head.appendChild(file.data);
|
|
break;
|
|
|
|
case 'binary':
|
|
if (file.callback)
|
|
{
|
|
file.data = file.callback.call(file.callbackContext, file.key, this._xhr.response);
|
|
}
|
|
else
|
|
{
|
|
file.data = this._xhr.response;
|
|
}
|
|
|
|
this.game.cache.addBinary(file.key, file.data);
|
|
|
|
break;
|
|
}
|
|
|
|
if (loadNext)
|
|
{
|
|
this.nextFile(index, true);
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Successfully loaded a JSON file.
|
|
*
|
|
* @method Phaser.Loader#jsonLoadComplete
|
|
* @param {number} index - The index of the file in the file queue that loaded.
|
|
*/
|
|
jsonLoadComplete: function (index) {
|
|
|
|
if (!this._fileList[index])
|
|
{
|
|
console.warn('Phaser.Loader jsonLoadComplete invalid index ' + index);
|
|
return;
|
|
}
|
|
|
|
var file = this._fileList[index];
|
|
var data = JSON.parse(this._xhr.responseText);
|
|
|
|
file.loaded = true;
|
|
|
|
if (file.type === 'tilemap')
|
|
{
|
|
this.game.cache.addTilemap(file.key, file.url, data, file.format);
|
|
}
|
|
else
|
|
{
|
|
this.game.cache.addTextureAtlas(file.key, file.url, file.data, data, file.format);
|
|
}
|
|
|
|
this.nextFile(index, true);
|
|
|
|
},
|
|
|
|
/**
|
|
* Successfully loaded a CSV file.
|
|
*
|
|
* @method Phaser.Loader#csvLoadComplete
|
|
* @param {number} index - The index of the file in the file queue that loaded.
|
|
*/
|
|
csvLoadComplete: function (index) {
|
|
|
|
if (!this._fileList[index])
|
|
{
|
|
console.warn('Phaser.Loader csvLoadComplete invalid index ' + index);
|
|
return;
|
|
}
|
|
|
|
var file = this._fileList[index];
|
|
var data = this._xhr.responseText;
|
|
|
|
file.loaded = true;
|
|
|
|
this.game.cache.addTilemap(file.key, file.url, data, file.format);
|
|
|
|
this.nextFile(index, true);
|
|
|
|
},
|
|
|
|
/**
|
|
* Error occured when load a JSON.
|
|
*
|
|
* @method Phaser.Loader#dataLoadError
|
|
* @param {number} index - The index of the file in the file queue that errored.
|
|
*/
|
|
dataLoadError: function (index) {
|
|
|
|
var file = this._fileList[index];
|
|
|
|
file.loaded = true;
|
|
file.error = true;
|
|
|
|
console.warn("Phaser.Loader dataLoadError: " + file.key);
|
|
|
|
this.nextFile(index, true);
|
|
|
|
},
|
|
|
|
/**
|
|
* Successfully loaded an XML file.
|
|
*
|
|
* @method Phaser.Loader#xmlLoadComplete
|
|
* @param {number} index - The index of the file in the file queue that loaded.
|
|
*/
|
|
xmlLoadComplete: function (index) {
|
|
|
|
var data = this._xhr.responseText;
|
|
var xml;
|
|
|
|
try
|
|
{
|
|
if (window['DOMParser'])
|
|
{
|
|
var domparser = new DOMParser();
|
|
xml = domparser.parseFromString(data, "text/xml");
|
|
}
|
|
else
|
|
{
|
|
xml = new ActiveXObject("Microsoft.XMLDOM");
|
|
xml.async = 'false';
|
|
xml.loadXML(data);
|
|
}
|
|
}
|
|
catch (e)
|
|
{
|
|
xml = undefined;
|
|
}
|
|
|
|
if (!xml || !xml.documentElement || xml.getElementsByTagName("parsererror").length)
|
|
{
|
|
throw new Error("Phaser.Loader. Invalid XML given");
|
|
}
|
|
|
|
var file = this._fileList[index];
|
|
file.loaded = true;
|
|
|
|
if (file.type == 'bitmapfont')
|
|
{
|
|
this.game.cache.addBitmapFont(file.key, file.url, file.data, xml);
|
|
}
|
|
else if (file.type == 'textureatlas')
|
|
{
|
|
this.game.cache.addTextureAtlas(file.key, file.url, file.data, xml, file.format);
|
|
}
|
|
|
|
this.nextFile(index, true);
|
|
|
|
},
|
|
|
|
/**
|
|
* Handle loading next file.
|
|
*
|
|
* @param {number} previousIndex - Index of the previously loaded asset.
|
|
* @param {boolean} success - Whether the previous asset loaded successfully or not.
|
|
* @private
|
|
*/
|
|
nextFile: function (previousIndex, success) {
|
|
|
|
this.progressFloat += this._progressChunk;
|
|
this.progress = Math.round(this.progressFloat);
|
|
|
|
if (this.progress > 100)
|
|
{
|
|
this.progress = 100;
|
|
}
|
|
|
|
if (this.preloadSprite !== null)
|
|
{
|
|
if (this.preloadSprite.direction === 0)
|
|
{
|
|
this.preloadSprite.crop.width = Math.floor((this.preloadSprite.width / 100) * this.progress);
|
|
}
|
|
else
|
|
{
|
|
this.preloadSprite.crop.height = Math.floor((this.preloadSprite.height / 100) * this.progress);
|
|
}
|
|
|
|
this.preloadSprite.sprite.crop = this.preloadSprite.crop;
|
|
}
|
|
|
|
this.onFileComplete.dispatch(this.progress, this._fileList[previousIndex].key, success, this.totalLoadedFiles(), this._fileList.length);
|
|
|
|
if (this.totalQueuedFiles() > 0)
|
|
{
|
|
this._fileIndex++;
|
|
this.loadFile();
|
|
}
|
|
else
|
|
{
|
|
this.hasLoaded = true;
|
|
this.isLoading = false;
|
|
|
|
this.removeAll();
|
|
|
|
this.onLoadComplete.dispatch();
|
|
}
|
|
|
|
},
|
|
|
|
/**
|
|
* Returns the number of files that have already been loaded, even if they errored.
|
|
*
|
|
* @return {number} The number of files that have already been loaded (even if they errored)
|
|
*/
|
|
totalLoadedFiles: function () {
|
|
|
|
var total = 0;
|
|
|
|
for (var i = 0; i < this._fileList.length; i++)
|
|
{
|
|
if (this._fileList[i].loaded)
|
|
{
|
|
total++;
|
|
}
|
|
}
|
|
|
|
return total;
|
|
|
|
},
|
|
|
|
/**
|
|
* Returns the number of files still waiting to be processed in the load queue. This value decreases as each file is in the queue is loaded.
|
|
*
|
|
* @return {number} The number of files that still remain in the load queue.
|
|
*/
|
|
totalQueuedFiles: function () {
|
|
|
|
var total = 0;
|
|
|
|
for (var i = 0; i < this._fileList.length; i++)
|
|
{
|
|
if (this._fileList[i].loaded === false)
|
|
{
|
|
total++;
|
|
}
|
|
}
|
|
|
|
return total;
|
|
|
|
}
|
|
|
|
};
|
|
|
|
Phaser.Loader.prototype.constructor = Phaser.Loader;
|
|
</pre>
|
|
</article>
|
|
</section>
|
|
|
|
|
|
|
|
|
|
|
|
</div>
|
|
|
|
<div class="clearfix"></div>
|
|
<footer>
|
|
|
|
|
|
<span class="copyright">
|
|
Phaser Copyright © 2012-2014 Photon Storm Ltd.
|
|
</span>
|
|
<br />
|
|
|
|
<span class="jsdoc-message">
|
|
Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.3.0-dev</a>
|
|
on Sat Feb 08 2014 07:19:40 GMT-0000 (GMT) using the <a href="https://github.com/terryweiss/docstrap">DocStrap template</a>.
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</span>
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</footer>
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</div>
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<br clear="both">
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|
</div>
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|
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</div>
|
|
<script src="scripts/sunlight.js"></script>
|
|
<script src="scripts/sunlight.javascript.js"></script>
|
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<script src="scripts/sunlight-plugin.doclinks.js"></script>
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<script src="scripts/sunlight-plugin.linenumbers.js"></script>
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<script src="scripts/sunlight-plugin.menu.js"></script>
|
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<script src="scripts/jquery.min.js"></script>
|
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<script src="scripts/jquery.scrollTo.js"></script>
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<script src="scripts/jquery.localScroll.js"></script>
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<script src="scripts/bootstrap-dropdown.js"></script>
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<script src="scripts/toc.js"></script>
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<script> Sunlight.highlightAll({lineNumbers:true, showMenu: true, enableDoclinks :true}); </script>
|
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|
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<script>
|
|
$( function () {
|
|
$( "#toc" ).toc( {
|
|
selectors : "h1,h2,h3,h4",
|
|
showAndHide : false,
|
|
scrollTo : 60
|
|
} );
|
|
$( "#toc>ul" ).addClass( "nav nav-pills nav-stacked" );
|
|
$( "#main span[id^='toc']" ).addClass( "toc-shim" );
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} );
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|
</script>
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</body>
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</html>
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