taiko-web/public/src/js/loadsong.js

379 lines
11 KiB
JavaScript

class LoadSong{
constructor(...args){
this.init(...args)
}
init(selectedSong, autoPlayEnabled, multiplayer, touchEnabled, baisoku = 1){
this.selectedSong = selectedSong
this.autoPlayEnabled = autoPlayEnabled
this.multiplayer = multiplayer
this.touchEnabled = touchEnabled
this.baisoku = baisoku
var resolution = settings.getItem("resolution")
this.imgScale = 1
if(resolution === "medium"){
this.imgScale = 0.75
}else if(resolution === "low"){
this.imgScale = 0.5
}else if(resolution === "lowest"){
this.imgScale = 0.25
}
loader.changePage("loadsong", true)
var loadingText = document.getElementById("loading-text")
loadingText.appendChild(document.createTextNode(strings.loading))
loadingText.setAttribute("alt", strings.loading)
if(multiplayer){
var cancel = document.getElementById("p2-cancel-button")
cancel.appendChild(document.createTextNode(strings.cancel))
cancel.setAttribute("alt", strings.cancel)
}
this.run()
pageEvents.send("load-song", {
selectedSong: selectedSong,
autoPlayEnabled: autoPlayEnabled,
multiplayer: multiplayer,
touchEnabled: touchEnabled
})
}
run(){
var song = this.selectedSong
var id = song.folder
var songObj
this.promises = []
if(id !== "calibration"){
assets.sounds["v_start"].play()
assets.songs.forEach(song => {
if(song.id === id){
songObj = song
}else{
if(song.sound){
song.sound.clean()
delete song.sound
}
delete song.lyricsData
}
})
}else{
songObj = {
music: "muted",
custom: true
}
}
this.songObj = songObj
song.songBg = this.randInt(1, 5)
song.songStage = this.randInt(1, 3)
song.donBg = this.randInt(1, 6)
if(song.songSkin && song.songSkin.name){
var imgLoad = []
for(var type in song.songSkin){
var value = song.songSkin[type]
if(["song", "stage", "don"].indexOf(type) !== -1 && value && value !== "none"){
var filename = "bg_" + type + "_" + song.songSkin.name
if(value === "static"){
imgLoad.push({
filename: filename,
type: type
})
}else{
imgLoad.push({
filename: filename + "_a",
type: type
})
imgLoad.push({
filename: filename + "_b",
type: type
})
}
if(type === "don"){
song.donBg = null
}else if(type === "song"){
song.songBg = null
}else if(type === "stage"){
song.songStage = null
}
}
}
var skinBase = gameConfig.assets_baseurl + "song_skins/"
for(var i = 0; i < imgLoad.length; i++){
let filename = imgLoad[i].filename
let prefix = song.songSkin.prefix || ""
if((prefix + filename) in assets.image){
continue
}
let img = document.createElement("img")
let force = imgLoad[i].type === "song" && this.touchEnabled
if(!songObj.custom){
img.crossOrigin = "anonymous"
}
let promise = pageEvents.load(img)
this.addPromise(promise.then(() => {
return this.scaleImg(img, filename, prefix, force)
}), songObj.custom ? filename + ".png" : skinBase + filename + ".png")
if(songObj.custom){
this.addPromise(song.songSkin[filename + ".png"].blob().then(blob => {
img.src = URL.createObjectURL(blob)
}), song.songSkin[filename + ".png"].url)
}else{
img.src = skinBase + filename + ".png"
}
}
}
this.loadSongBg(id)
if(songObj.sound && songObj.sound.buffer){
songObj.sound.gain = snd.musicGain
}else if(songObj.music !== "muted"){
this.addPromise(snd.musicGain.load(songObj.music).then(sound => {
songObj.sound = sound
}), songObj.music.url)
}
var chart = songObj.chart
if(chart && chart.separateDiff){
var chartDiff = this.selectedSong.difficulty
chart = chart[chartDiff]
}
if(chart){
this.addPromise(chart.read(song.type === "tja" ? "utf-8" : "").then(data => {
this.songData = data.replace(/\0/g, "").split("\n")
}), chart.url)
}else{
this.songData = ""
}
if(songObj.lyricsFile && !songObj.lyricsData && !this.multiplayer && (!this.touchEnabled || this.autoPlayEnabled) && settings.getItem("showLyrics")){
this.addPromise(songObj.lyricsFile.read().then(data => {
songObj.lyricsData = data
}, () => {}), songObj.lyricsFile.url)
}
if(this.touchEnabled && !assets.image["touch_drum"]){
let img = document.createElement("img")
img.crossOrigin = "anonymous"
var url = gameConfig.assets_baseurl + "img/touch_drum.png"
this.addPromise(pageEvents.load(img).then(() => {
return this.scaleImg(img, "touch_drum", "")
}), url)
img.src = url
}
var resultsImg = [
"results_flowers",
"results_mikoshi",
"results_tetsuohana",
"results_tetsuohana2"
]
resultsImg.forEach(id => {
if(!assets.image[id]){
var img = document.createElement("img")
img.crossOrigin = "anonymous"
var url = gameConfig.assets_baseurl + "img/" + id + ".png"
this.addPromise(pageEvents.load(img).then(() => {
return this.scaleImg(img, id, "")
}), url)
img.src = url
}
})
if(songObj.volume && songObj.volume !== 1){
this.promises.push(new Promise(resolve => setTimeout(resolve, 500)))
}
Promise.all(this.promises).then(() => {
if(!this.error){
this.setupMultiplayer()
}
})
}
addPromise(promise, url){
this.promises.push(promise.catch(response => {
this.errorMsg(response, url)
return Promise.resolve()
}))
}
errorMsg(error, url){
if(!this.error){
if(url){
error = (Array.isArray(error) ? error[0] + ": " : (error ? error + ": " : "")) + url
}
pageEvents.send("load-song-error", error)
errorMessage(new Error(error).stack)
var title = this.selectedSong.title
if(title !== this.selectedSong.originalTitle){
title += " (" + this.selectedSong.originalTitle + ")"
}
assets.sounds["v_start"].stop()
setTimeout(() => {
this.clean()
new SongSelect(false, false, this.touchEnabled, null, {
name: "loadSongError",
title: title,
id: this.selectedSong.folder,
error: error
})
}, 500)
}
this.error = true
}
loadSongBg(){
var filenames = []
if(this.selectedSong.songBg !== null){
filenames.push("bg_song_" + this.selectedSong.songBg)
}
if(this.selectedSong.donBg !== null){
filenames.push("bg_don_" + this.selectedSong.donBg)
if(this.multiplayer){
filenames.push("bg_don2_" + this.selectedSong.donBg)
}
}
if(this.selectedSong.songStage !== null){
filenames.push("bg_stage_" + this.selectedSong.songStage)
}
for(var i = 0; i < filenames.length; i++){
var filename = filenames[i]
var stage = filename.startsWith("bg_stage_")
for(var letter = 0; letter < (stage ? 1 : 2); letter++){
let filenameAb = filenames[i] + (stage ? "" : (letter === 0 ? "a" : "b"))
if(!(filenameAb in assets.image)){
let img = document.createElement("img")
let force = filenameAb.startsWith("bg_song_") && this.touchEnabled
img.crossOrigin = "anonymous"
var url = gameConfig.assets_baseurl + "img/" + filenameAb + ".png"
this.addPromise(pageEvents.load(img).then(() => {
return this.scaleImg(img, filenameAb, "", force)
}), url)
img.src = url
}
}
}
}
scaleImg(img, filename, prefix, force){
return new Promise((resolve, reject) => {
var scale = this.imgScale
if(force && scale > 0.5){
scale = 0.5
}
var canvas = document.createElement("canvas")
var w = Math.floor(img.width * scale)
var h = Math.floor(img.height * scale)
canvas.width = Math.max(1, w)
canvas.height = Math.max(1, h)
var ctx = canvas.getContext("2d")
ctx.drawImage(img, 0, 0, w, h)
var saveScaled = url => {
let img2 = document.createElement("img")
pageEvents.load(img2).then(() => {
assets.image[prefix + filename] = img2
loader.assetsDiv.appendChild(img2)
resolve()
}, reject)
img2.id = prefix + filename
img2.src = url
}
if("toBlob" in canvas){
canvas.toBlob(blob => {
saveScaled(URL.createObjectURL(blob))
})
}else{
saveScaled(canvas.toDataURL())
}
})
}
randInt(min, max){
return Math.floor(Math.random() * (max - min + 1)) + min
}
setupMultiplayer(){
var song = this.selectedSong
if(this.multiplayer){
var loadingText = document.getElementsByClassName("loading-text")[0]
loadingText.firstChild.data = strings.waitingForP2
loadingText.setAttribute("alt", strings.waitingForP2)
this.cancelButton = document.getElementById("p2-cancel-button")
this.cancelButton.style.display = "inline-block"
pageEvents.add(this.cancelButton, ["mousedown", "touchstart"], this.cancelLoad.bind(this))
this.song2Data = this.songData
this.selectedSong2 = song
pageEvents.add(p2, "message", event => {
if(event.type === "gameload"){
this.cancelButton.style.display = ""
if(event.value.diff === song.difficulty){
this.startMultiplayer()
}else{
this.selectedSong2 = {}
for(var i in this.selectedSong){
this.selectedSong2[i] = this.selectedSong[i]
}
this.selectedSong2.difficulty = event.value.diff
var chart = this.songObj.chart
var chartDiff = this.selectedSong2.difficulty
if(song.type === "tja" || !chart || !chart.separateDiff || !chart[chartDiff]){
this.startMultiplayer()
}else{
chart[chartDiff].read(song.type === "tja" ? "utf-8" : "").then(data => {
this.song2Data = data.replace(/\0/g, "").split("\n")
}, () => {}).then(() => {
this.startMultiplayer()
})
}
}
}else if(event.type === "gamestart"){
this.clean()
p2.clearMessage("songsel")
var taikoGame1 = new Controller(song, this.songData, false, 1, this.touchEnabled, this.baisoku)
var taikoGame2 = new Controller(this.selectedSong2, this.song2Data, true, 2, this.touchEnabled, this.baisoku)
taikoGame1.run(taikoGame2)
pageEvents.send("load-song-player2", this.selectedSong2)
}else if(event.type === "left" || event.type === "gameend"){
this.clean()
new SongSelect(false, false, this.touchEnabled)
}
})
p2.send("join", {
id: song.folder,
diff: song.difficulty,
name: account.loggedIn ? account.displayName : null,
don: account.loggedIn ? account.don : null
})
}else{
this.clean()
var taikoGame = new Controller(song, this.songData, this.autoPlayEnabled, false, this.touchEnabled, this.baisoku)
taikoGame.run()
}
}
startMultiplayer(repeat){
if(document.hasFocus()){
p2.send("gamestart")
}else{
if(!repeat){
assets.sounds["v_sanka"].play()
pageEvents.send("load-song-unfocused")
}
setTimeout(() => {
this.startMultiplayer(true)
}, 100)
}
}
cancelLoad(event){
if(event.type === "mousedown"){
if(event.which !== 1){
return
}
}else{
event.preventDefault()
}
p2.send("leave")
assets.sounds["se_don"].play()
this.cancelButton.style.pointerEvents = "none"
pageEvents.send("load-song-cancel")
}
clean(){
delete this.promises
delete this.songObj
pageEvents.remove(p2, "message")
if(this.cancelButton){
pageEvents.remove(this.cancelButton, ["mousedown", "touchstart"])
delete this.cancelButton
}
}
}