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"use strict"; |
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(function(window) { |
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// Callback, all files are loaded |
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var ondownloadcompleted; |
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var downloadProgress; |
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var preload; |
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var numElementsLoaded = 0; |
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var soundCount = 0; |
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var self; |
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var manifest = [ |
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// Sounds |
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// SoundJS will handle which file to download |
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{src: "sounds/Music.mp3|sounds/Music.ogg", id: "globalMusic"}, |
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{src: "sounds/PlayerKilled.mp3|sounds/PlayerKilled.ogg", id: "playerKilled"}, |
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{src: "sounds/PlayerJump.mp3|sounds/PlayerJump.ogg", id: "playerJump"}, |
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{src: "sounds/PlayerFall.mp3|sounds/PlayerFall.ogg", id: "playerFall"}, |
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{src: "sounds/ExitReached.mp3|sounds/ExitReached.ogg", id: "exitReached"}, |
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// Backgrounds: added in Constructor |
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// Sprites |
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{src: "img/Player.png", id: "imgPlayer"}, |
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{src: "img/MonsterA.png", id: "imgMonsterA"}, |
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{src: "img/MonsterB.png", id: "imgMonsterB"}, |
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{src: "img/MonsterC.png", id: "imgMonsterC"}, |
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{src: "img/MonsterD.png", id: "imgMonsterD"}, |
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// Overlays |
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{src: "overlays/you_win.png", id: "winOverlay"}, |
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{src: "overlays/you_lose.png", id: "loseOverlay"}, |
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{src: "overlays/you_died.png", id: "diedOverlay"}, |
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// Blocks |
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{src: "img/Tiles/BlockA0.png", id: "imgBlockA0"}, |
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{src: "img/Tiles/BlockA1.png", id: "imgBlockA1"}, |
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{src: "img/Tiles/BlockA2.png", id: "imgBlockA2"}, |
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{src: "img/Tiles/BlockA3.png", id: "imgBlockA3"}, |
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{src: "img/Tiles/BlockA4.png", id: "imgBlockA4"}, |
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{src: "img/Tiles/BlockA5.png", id: "imgBlockA5"}, |
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{src: "img/Tiles/BlockA6.png", id: "imgBlockA6"}, |
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{src: "img/Tiles/BlockB0.png", id: "imgBlockB0"}, |
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{src: "img/Tiles/BlockB1.png", id: "imgBlockB1"}, |
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{src: "img/Tiles/Gem.png", id: "imgGem"}, |
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{src: "img/Tiles/Exit.png", id: "imgExit"}, |
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{src: "img/Tiles/Platform.png", id: "imgPlatform"} |
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]; |
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function ContentManager(stage, width, height) { |
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preload = new createjs.PreloadJS(); |
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//Install SoundJS as a plugin, then PreloadJS will initialize it automatically. |
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preload.installPlugin(createjs.SoundJS); |
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preload.onError = handleElementError; |
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preload.onFileLoad = handleElementLoad; |
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downloadProgress = new Text("-- %", "bold 14px Arial", "#FFF"); |
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downloadProgress.x = (width / 2) - 50; |
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downloadProgress.y = height / 2; |
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this.gemCollected = new Array(8); |
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this.imgBackgroundLayers = new Array(3); |
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for (var i=0; i < 3; i++) { |
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this.imgBackgroundLayers[i] = new Array(3); |
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} |
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self = this; |
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var i, j, bg; |
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// copied into this.gemCollected[] when downloaded |
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for(i=0; i < 8; i++) { |
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manifest.push({ |
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src: "sounds/GemCollected.mp3|sounds/GemCollected.ogg", |
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id: "GemCollected" + i |
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}); |
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} |
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// put in this.imgBackgroundLayers[i][j] array when downloaded |
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for(i=0; i < 3; i++) { |
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for(j=0; j < 3; j++) { |
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bg = "Layer" + i + "_" + j; |
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manifest.push({src: "img/Backgrounds/" + bg + ".png", id: bg}); |
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} |
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} |
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// setting the callback method |
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// Triggered once everything is ready to be drawned on the canvas |
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this.SetDownloadCompleted = function (callbackMethod) { |
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ondownloadcompleted = callbackMethod; |
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}; |
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this.StartDownload = function() { |
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preload.loadManifest(manifest); |
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stage.addChild(downloadProgress); |
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Ticker.addListener(this); |
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Ticker.setInterval(50); |
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}; |
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// called after every download |
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function handleElementLoad(event) { |
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if (event.id.indexOf("GemCollected") == 0) { |
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self.gemCollected[soundCount++] = event.result; |
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} else if (event.id.indexOf("Layer") == 0) { |
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var values = event.id.replace("Layer", "").split("_"); |
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self.imgBackgroundLayers[parseInt(values[0], 10)][parseInt(values[1], 10)] = event.result; |
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} else { |
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// make the item available |
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self[event.id] = event.result; |
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} |
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numElementsLoaded++; |
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// If all elements have been downloaded |
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if (numElementsLoaded === manifest.length) { |
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stage.removeChild(downloadProgress); |
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Ticker.removeAllListeners(); |
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numElementsLoaded = 0; |
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// we're calling back the method set by SetDownloadCompleted |
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ondownloadcompleted(); |
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} |
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} |
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//called if there is an error loading the image (usually due to a 404) |
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function handleElementError(e) { |
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console.log("Error Loading Asset : " + e.src); |
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} |
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// Update methid which simply shows the current % of download |
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this.tick = function() { |
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downloadProgress.text = "Downloading " + Math.round((numElementsLoaded / manifest.length) * 100) + " %"; |
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// update the stage: |
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stage.update(); |
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}; |
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} |
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window.ContentManager = ContentManager; |
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} (window)); |
