2018-09-11 00:17:13 +02:00
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class Loader{
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2018-10-06 15:24:23 +02:00
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constructor(callback){
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this.callback = callback
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2018-09-11 00:17:13 +02:00
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this.loadedAssets = 0
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this.assetsDiv = document.getElementById("assets")
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2019-01-16 13:33:42 +01:00
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this.screen = document.getElementById("screen")
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2018-12-13 10:18:52 +01:00
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this.startTime = Date.now()
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2018-10-14 12:37:27 +02:00
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2019-01-16 13:33:42 +01:00
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var promises = []
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promises.push(this.ajax("/src/views/loader.html").then(page => {
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this.screen.innerHTML = page
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}))
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promises.push(this.ajax("/api/config").then(conf => {
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gameConfig = JSON.parse(conf)
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}))
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Promise.all(promises).then(this.run.bind(this))
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2018-09-11 00:17:13 +02:00
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}
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2019-01-16 13:33:42 +01:00
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run(){
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2018-09-18 00:37:59 +02:00
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this.promises = []
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2018-09-11 00:17:13 +02:00
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this.loaderPercentage = document.querySelector("#loader .percentage")
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2018-09-18 00:37:59 +02:00
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this.loaderProgress = document.querySelector("#loader .progress")
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2019-01-16 13:33:42 +01:00
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var queryString = gameConfig._version ? "?" + gameConfig._version.commit_short : ""
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assets.js.forEach(name => {
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var script = document.createElement("script")
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this.addPromise(pageEvents.load(script))
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script.src = "/src/js/" + name + queryString
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document.head.appendChild(script)
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})
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this.addPromise(new Promise(resolve => {
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var cssCount = document.styleSheets.length + assets.css.length
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assets.css.forEach(name => {
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var stylesheet = document.createElement("link")
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stylesheet.rel = "stylesheet"
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stylesheet.href = "/src/css/" + name + queryString
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document.head.appendChild(stylesheet)
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})
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var checkStyles = () => {
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if(document.styleSheets.length >= cssCount){
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resolve()
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clearInterval(interval)
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}
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}
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var interval = setInterval(checkStyles, 100)
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checkStyles()
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}))
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assets.fonts.forEach(name => {
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var font = document.createElement("h1")
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font.style.fontFamily = name
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font.appendChild(document.createTextNode("I am a font"))
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this.assetsDiv.appendChild(font)
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})
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assets.img.forEach(name => {
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var id = this.getFilename(name)
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var image = document.createElement("img")
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this.addPromise(pageEvents.load(image))
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image.id = name
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image.src = gameConfig.assets_baseurl + "img/" + name
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this.assetsDiv.appendChild(image)
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assets.image[id] = image
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})
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assets.views.forEach(name => {
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var id = this.getFilename(name)
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this.addPromise(this.ajax("/src/views/" + name + queryString).then(page => {
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assets.pages[id] = page
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}))
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})
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this.addPromise(this.ajax("/api/songs").then(songs => {
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assets.songsDefault = JSON.parse(songs)
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assets.songs = assets.songsDefault
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}))
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this.afterJSCount =
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[assets.audioOgg, "blurPerformance", "P2Connection"].length +
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assets.fonts.length +
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assets.audioSfx.length +
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assets.audioMusic.length +
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assets.audioSfxLR.length +
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assets.audioSfxLoud.length
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Promise.all(this.promises).then(() => {
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snd.buffer = new SoundBuffer()
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snd.musicGain = snd.buffer.createGain()
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snd.sfxGain = snd.buffer.createGain()
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snd.previewGain = snd.buffer.createGain()
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snd.sfxGainL = snd.buffer.createGain("left")
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snd.sfxGainR = snd.buffer.createGain("right")
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snd.sfxLoudGain = snd.buffer.createGain()
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snd.buffer.setCrossfade(
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[snd.musicGain, snd.previewGain],
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[snd.sfxGain, snd.sfxGainL, snd.sfxGainR],
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0.5
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)
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snd.sfxLoudGain.setVolume(1.2)
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this.afterJSCount--
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this.addPromise(snd.buffer.load(gameConfig.assets_baseurl + "audio/" + assets.audioOgg).then(() => {
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2018-10-28 10:59:49 +01:00
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this.oggNotSupported = false
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}, () => {
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this.oggNotSupported = true
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}).then(() => {
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2019-01-16 13:33:42 +01:00
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this.afterJSCount = 0
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2018-10-28 10:59:49 +01:00
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assets.fonts.forEach(name => {
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2019-01-16 13:33:42 +01:00
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this.addPromise(new Promise(resolve => {
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FontDetect.onFontLoaded(name, resolve, resolve, {msTimeout: Infinity})
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2018-10-28 10:59:49 +01:00
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}))
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})
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assets.audioSfx.forEach(name => {
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2019-01-16 13:33:42 +01:00
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this.addPromise(this.loadSound(name, snd.sfxGain))
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2018-10-28 10:59:49 +01:00
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})
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assets.audioMusic.forEach(name => {
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2019-01-16 13:33:42 +01:00
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this.addPromise(this.loadSound(name, snd.musicGain))
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2018-10-28 10:59:49 +01:00
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})
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assets.audioSfxLR.forEach(name => {
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2019-01-16 13:33:42 +01:00
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this.addPromise(this.loadSound(name, snd.sfxGain).then(sound => {
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2018-10-28 10:59:49 +01:00
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var id = this.getFilename(name)
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assets.sounds[id + "_p1"] = assets.sounds[id].copy(snd.sfxGainL)
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assets.sounds[id + "_p2"] = assets.sounds[id].copy(snd.sfxGainR)
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}))
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})
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assets.audioSfxLoud.forEach(name => {
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2019-01-16 13:33:42 +01:00
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this.addPromise(this.loadSound(name, snd.sfxLoudGain))
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2018-10-28 10:59:49 +01:00
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})
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2019-01-16 13:33:42 +01:00
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this.canvasTest = new CanvasTest()
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this.addPromise(this.canvasTest.blurPerformance().then(result => {
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2018-10-28 10:59:49 +01:00
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perf.blur = result
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if(result > 1000 / 50){
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// Less than 50 fps with blur enabled
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disableBlur = true
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}
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2018-10-07 20:58:42 +02:00
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}))
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2018-10-28 10:59:49 +01:00
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2019-01-16 13:33:42 +01:00
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p2 = new P2Connection()
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2018-11-01 23:05:18 +01:00
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if(location.hash.length === 6){
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2019-01-16 13:33:42 +01:00
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p2.hashLock = true
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this.addPromise(new Promise(resolve => {
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2018-11-01 23:05:18 +01:00
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p2.open()
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pageEvents.add(p2, "message", response => {
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if(response.type === "session"){
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resolve()
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}else if(response.type === "gameend"){
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p2.hash("")
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p2.hashLock = false
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resolve()
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}
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})
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p2.send("invite", location.hash.slice(1).toLowerCase())
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2018-11-27 00:05:02 +01:00
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setTimeout(() => {
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if(p2.socket.readyState !== 1){
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p2.hash("")
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p2.hashLock = false
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resolve()
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}
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}, 10000)
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2018-11-01 23:05:18 +01:00
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}).then(() => {
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pageEvents.remove(p2, "message")
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}))
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2019-01-16 13:33:42 +01:00
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}else{
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p2.hash("")
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2018-11-01 23:05:18 +01:00
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}
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2018-10-28 10:59:49 +01:00
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Promise.all(this.promises).then(() => {
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this.canvasTest.drawAllImages().then(result => {
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perf.allImg = result
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2018-12-13 10:18:52 +01:00
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perf.load = Date.now() - this.startTime
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2018-10-28 10:59:49 +01:00
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this.canvasTest.clean()
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this.clean()
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this.callback()
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})
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}, this.errorMsg.bind(this))
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2019-01-16 13:33:42 +01:00
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}))
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})
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}
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addPromise(promise){
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this.promises.push(promise)
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promise.then(this.assetLoaded.bind(this))
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2018-09-18 00:37:59 +02:00
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}
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loadSound(name, gain){
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2018-10-07 20:58:42 +02:00
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if(this.oggNotSupported && name.endsWith(".ogg")){
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name = name.slice(0, -4) + ".wav"
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}
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2018-09-18 00:37:59 +02:00
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var id = this.getFilename(name)
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2018-10-28 10:59:49 +01:00
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return gain.load(gameConfig.assets_baseurl + "audio/" + name).then(sound => {
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2018-09-18 00:37:59 +02:00
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assets.sounds[id] = sound
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2018-09-11 00:17:13 +02:00
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})
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2015-07-17 10:22:46 +02:00
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}
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2018-09-18 00:37:59 +02:00
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getFilename(name){
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return name.slice(0, name.lastIndexOf("."))
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}
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2018-12-03 23:23:11 +01:00
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errorMsg(error){
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console.error(error)
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2018-09-18 00:37:59 +02:00
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this.error = true
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this.loaderPercentage.appendChild(document.createElement("br"))
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this.loaderPercentage.appendChild(document.createTextNode("An error occurred, please refresh"))
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this.clean()
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2015-07-17 10:22:46 +02:00
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}
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2018-09-11 00:17:13 +02:00
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assetLoaded(){
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2018-09-18 00:37:59 +02:00
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if(!this.error){
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this.loadedAssets++
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2019-01-16 13:33:42 +01:00
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var percentage = Math.floor(this.loadedAssets * 100 / (this.promises.length + this.afterJSCount))
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2018-09-18 00:37:59 +02:00
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this.loaderProgress.style.width = percentage + "%"
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this.loaderPercentage.firstChild.data = percentage + "%"
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}
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}
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2019-01-16 13:33:42 +01:00
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changePage(name, patternBg){
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2018-10-09 08:59:36 +02:00
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this.screen.innerHTML = assets.pages[name]
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2019-01-16 13:33:42 +01:00
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this.screen.classList[patternBg ? "add" : "remove"]("pattern-bg")
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2018-09-18 00:37:59 +02:00
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}
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ajax(url, customRequest){
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return new Promise((resolve, reject) => {
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var request = new XMLHttpRequest()
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request.open("GET", url)
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pageEvents.load(request).then(() => {
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resolve(request.response)
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}, reject)
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if(customRequest){
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customRequest(request)
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}
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request.send()
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})
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}
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clean(){
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2018-12-13 10:18:52 +01:00
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var fontDetectDiv = document.getElementById("fontdetectHelper")
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fontDetectDiv.parentNode.removeChild(fontDetectDiv)
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2018-09-18 00:37:59 +02:00
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delete this.assetsDiv
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delete this.loaderPercentage
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delete this.loaderProgress
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delete this.promises
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2018-10-12 20:04:28 +02:00
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pageEvents.remove(root, "touchstart")
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2015-07-17 10:22:46 +02:00
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}
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2018-09-11 00:17:13 +02:00
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}
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