Add .tja file support

public/src/js/controller.js

@@ -8,8 +8,13 @@ class Controller{
 		this.snd = this.multiplayer ? "_p" + this.multiplayer : ""
 		
 		var backgroundURL = "/songs/" + this.selectedSong.folder + "/bg.png"
-		var songParser = new ParseSong(songData)
-		this.parsedSongData = songParser.getData()
+		
+		if(selectedSong.type === "tja"){
+			this.parsedSongData = new ParseTja(songData, selectedSong.difficulty, selectedSong.offset)
+		}else{
+			this.parsedSongData = new ParseOsu(songData, selectedSong.offset)
+		}
+		this.offset = this.parsedSongData.soundOffset
 		
 		assets.songs.forEach(song => {
 			if(song.id == this.selectedSong.folder){
@@ -168,9 +173,6 @@ class Controller{
 	getBindings(){
 		return this.keyboard.getBindings()
 	}
-	getSongData(){
-		return this.game.getSongData()
-	}
 	getElapsedTime(){
 		return this.game.elapsedTime
 	}

public/src/js/game.js

@@ -49,7 +49,6 @@ class Game{
 	update(){
 		// Main operations
 		this.updateTime()
-		this.checkTiming()
 		this.updateCirclesStatus()
 		this.checkPlays()
 		// Event operations
@@ -277,6 +276,7 @@ class Game{
 		var started = this.fadeOutStarted
 		if(started){
 			var ms = this.elapsedTime
+			var musicDuration = this.controller.mainAsset.duration * 1000 - this.controller.offset
 			if(this.musicFadeOut === 0){
 				if(this.controller.multiplayer === 1){
 					p2.send("gameresults", this.getGlobalScore())
@@ -286,10 +286,10 @@ class Game{
 				this.controller.gameEnded()
 				p2.send("gameend")
 				this.musicFadeOut++
-			}else if(this.musicFadeOut === 2 && (ms >= started + 8600 && ms >= this.controller.mainAsset.duration * 1000 + 250)){
+			}else if(this.musicFadeOut === 2 && (ms >= started + 8600 && ms >= musicDuration + 250)){
 				this.controller.displayResults()
 				this.musicFadeOut++
-			}else if(this.musicFadeOut === 3 && (ms >= started + 9600 && ms >= this.controller.mainAsset.duration * 1000 + 1250)){
+			}else if(this.musicFadeOut === 3 && (ms >= started + 9600 && ms >= musicDuration + 1250)){
 				this.controller.clean()
 				if(this.controller.scoresheet){
 					this.controller.scoresheet.startRedraw()
@@ -297,16 +297,9 @@ class Game{
 			}
 		}
 	}
-	checkTiming(){
-		if(this.songData.timingPoints[this.currentTimingPoint + 1]){
-			if(this.elapsedTime >= this.songData.timingPoints[this.currentTimingPoint + 1].start){
-				this.currentTimingPoint++
-			}
-		}
-	}
 	playMainMusic(){
-		var ms = this.elapsedTime
-		if(!this.mainMusicPlaying && (!this.fadeOutStarted || ms<this.fadeOutStarted + 1600)){
+		var ms = this.elapsedTime + this.controller.offset
+		if(!this.mainMusicPlaying && (!this.fadeOutStarted || ms < this.fadeOutStarted + 1600)){
 			if(this.controller.multiplayer !== 2){
 				this.mainAsset.play((ms < 0 ? -ms : 0) / 1000, false, Math.max(0, ms / 1000))
 			}
@@ -362,9 +355,6 @@ class Game{
 	getCircles(){
 		return this.songData.circles
 	}
-	getSongData(){
-		return this.songData
-	}
 	updateCurrentCircle(){
 		this.currentCircle++
 	}

public/src/js/loadsong.js

@@ -40,7 +40,7 @@ class loadSong{
 				}, reject)
 			}
 		}))
-		promises.push(loader.ajax(this.getOsuPath(this.selectedSong)).then(data => {
+		promises.push(loader.ajax(this.getSongPath(this.selectedSong)).then(data => {
 			this.songData = data.replace(/\0/g, "").split("\n")
 		}))
 		Promise.all(promises).then(() => {
@@ -50,8 +50,13 @@ class loadSong{
 			alert("An error occurred, please refresh")
 		})
 	}
-	getOsuPath(selectedSong){
-		return "/songs/" + selectedSong.folder + "/" + selectedSong.difficulty + ".osu"
+	getSongPath(selectedSong){
+		var directory = "/songs/" + selectedSong.folder + "/"
+		if(selectedSong.type === "tja"){
+			return directory + "main.tja"
+		}else{
+			return directory + selectedSong.difficulty + ".osu"
+		}
 	}
 	setupMultiplayer(){
 		if(this.multiplayer){

public/src/js/parseosu.js

@@ -1,5 +1,5 @@
-class ParseSong{
-	constructor(fileContent){
+class ParseOsu{
+	constructor(fileContent, offset){
 		this.osu = {
 			OFFSET: 0,
 			MSPERBEAT: 1,
@@ -36,11 +36,13 @@ class ParseSong{
 		}
 		this.data = []
 		for(let line of fileContent){
-			line = line.trim().replace(/\/\/.*/, "")
+			line = line.replace(/\/\/.*/, "").trim()
 			if(line !== ""){
 				this.data.push(line)
 			}
 		}
+		this.offset = (offset || 0) * -1000
+		this.soundOffset = 0
 		this.beatInfo = {
 			beatInterval: 0,
 			lastBeatInterval: 0,
@@ -126,7 +128,7 @@ class ParseSong{
 				this.difficulty.lastMultiplier = sliderMultiplier
 			}
 			timingPoints.push({
-				start: start,
+				start: start + this.offset,
 				sliderMultiplier: sliderMultiplier,
 				measure: parseInt(values[this.osu.METER]),
 				gogoTime: parseInt(values[this.osu.KIAIMODE])
@@ -139,20 +141,18 @@ class ParseSong{
 		var measureNumber = 0
 		for(var i = 0; i<this.timingPoints.length; i++){
 			if(this.timingPoints[i + 1]){
-				var limit = this.timingPoints[i + 1].start
+				var limit = this.timingPoints[i + 1].start - this.offset
 			}else{
-				var limit = this.circles[this.circles.length - 1].getMS()
+				var limit = this.circles[this.circles.length - 1].getMS() - this.offset
 			}
-			for(var j = this.timingPoints[i].start; j <= limit; j += this.beatInfo.beatInterval){
-				measures.push({
-					ms: j,
-					nb: measureNumber,
-					speed: this.timingPoints[i].sliderMultiplier
-				})
-				measureNumber++
-				if(measureNumber === this.timingPoints[i].measure + 1){
-					measureNumber = 0
+			for(var start = this.timingPoints[i].start; start <= limit; start += this.beatInfo.beatInterval){
+				if(measureNumber === 0){
+					measures.push({
+						ms: start + this.offset,
+						speed: this.timingPoints[i].sliderMultiplier
+					})
 				}
+				measureNumber = (measureNumber + 1) % (this.timingPoints[i].measure + 1)
 			}
 		}
 		return measures
@@ -242,9 +242,14 @@ class ParseSong{
 			var hitSound = parseInt(values[this.osu.HITSOUND])
 			var beatLength = speed
 			var lastMultiplier = this.difficulty.lastMultiplier
+			if(circleID === 1 && start + this.offset < 0){
+				var offset = start + this.offset
+				this.soundOffset = offset
+				this.offset -= offset
+			}
 			
 			for(var j = 0; j < this.timingPoints.length; j++){
-				if(this.timingPoints[j].start > start){
+				if(this.timingPoints[j].start - this.offset > start){
 					break
 				}
 				speed = this.timingPoints[j].sliderMultiplier
@@ -258,11 +263,11 @@ class ParseSong{
 				var requiredHits = Math.floor(Math.max(1, (endTime - start) / 1000 * hitMultiplier))
 				circles.push(new Circle({
 					id: circleID,
-					start: start,
+					start: start + this.offset,
 					type: "balloon",
 					txt: "ふうせん",
 					speed: speed,
-					endTime: endTime,
+					endTime: endTime + this.offset,
 					requiredHits: requiredHits,
 					gogoTime: gogoTime
 				}))
@@ -284,11 +289,11 @@ class ParseSong{
 				}
 				circles.push(new Circle({
 					id: circleID,
-					start: start,
+					start: start + this.offset,
 					type: type,
 					txt: txt,
 					speed: speed,
-					endTime: endTime,
+					endTime: endTime + this.offset,
 					gogoTime: gogoTime
 				}))
 				
@@ -318,7 +323,7 @@ class ParseSong{
 				if(!emptyValue){
 					circles.push(new Circle({
 						id: circleID,
-						start: start,
+						start: start + this.offset,
 						type: type,
 						txt: txt,
 						speed: speed,
@@ -334,16 +339,4 @@ class ParseSong{
 		}
 		return circles
 	}
-	getData(){
-		return {
-			generalInfo: this.generalInfo,
-			metaData: this.metadata,
-			editor: this.editor,
-			beatInfo: this.beatInfo,
-			difficulty: this.difficulty,
-			timingPoints: this.timingPoints,
-			circles: this.circles,
-			measures: this.measures
-		}
-	}
 }

public/src/js/parsetja.js

@@ -0,0 +1,330 @@
+class ParseTja{
+	constructor(file, difficulty, offset){
+		this.data = []
+		for(let line of file){
+			line = line.replace(/\/\/.*/, "").trim()
+			if(line !== ""){
+				this.data.push(line)
+			}
+		}
+		this.difficulty = difficulty
+		this.offset = (offset || 0) * -1000
+		this.soundOffset = 0
+		this.noteTypes = [
+			{name: false, txt: false},
+			{name: "don", txt: "ドン"},
+			{name: "ka", txt: "カッ"},
+			{name: "daiDon", txt: "ドン(大)"},
+			{name: "daiKa", txt: "カッ(大)"},
+			{name: "drumroll", txt: "連打ーっ!!"},
+			{name: "daiDrumroll", txt: "連打(大)ーっ!!"},
+			{name: "balloon", txt: "ふうせん"},
+			{name: false, txt: false},
+			{name: "balloon", txt: "ふうせん"}
+		]
+		this.courseTypes = ["easy", "normal", "hard", "oni"]
+		
+		this.metadata = this.parseMetadata()
+		this.measures = []
+		this.beatInfo = {}
+		this.circles = this.parseCircles()
+	}
+	parseMetadata(){
+		var metaNumbers = ["bpm", "offset"]
+		var inSong = false
+		var courses = {}
+		var currentCourse = {}
+		var courseName = this.difficulty
+		for(var lineNum = 0; lineNum < this.data.length; lineNum++){
+			var line = this.data[lineNum]
+			
+			if(line.slice(0, 1) === "#"){
+				
+				var name = line.slice(1).toLowerCase()
+				if(name === "start" && !inSong){
+					
+					inSong = true
+					for(var name in currentCourse){
+						if(!(courseName in courses)){
+							courses[courseName] = {}
+						}
+						courses[courseName][name] = currentCourse[name]
+					}
+					courses[courseName].start = lineNum + 1
+					courses[courseName].end = this.data.length
+					
+				}else if(name === "end" && inSong){
+					inSong = false
+					courses[courseName].end = lineNum
+				}
+				
+			}else if(!inSong){
+				
+				if(line.indexOf(":") > 0){
+					
+					var [name, value] = this.split(line, ":")
+					name = name.toLowerCase().trim()
+					value = value.trim()
+					
+					if(name === "course"){
+						if(value in this.courseTypes){
+							courseName = this.courseTypes[value]
+						}else{
+							courseName = value.toLowerCase()
+						}
+					}else if(name === "balloon"){
+						value = value ? value.split(",").map(digit => parseInt(digit)) : []
+					}else if(this.inArray(name, metaNumbers)){
+						value = parseFloat(value)
+					}
+					
+					currentCourse[name] = value
+				}
+				
+			}
+		}
+		return courses
+	}
+	inArray(string, array){
+		return array.indexOf(string) >= 0
+	}
+	split(string, delimiter){
+		var index = string.indexOf(delimiter)
+		if(index < 0){
+			return [string, ""]
+		}
+		return [string.slice(0, index), string.slice(index + delimiter.length)]
+	}
+	parseCircles(){
+		var meta = this.metadata[this.difficulty]
+		var ms = (meta.offset || 0) * -1000 + this.offset
+		var bpm = meta.bpm || 0
+		if(bpm <= 0){
+			bpm = 1
+		}
+		var scroll = 1
+		var measure = 4
+		this.beatInfo.beatInterval = 60000 / bpm
+		var gogo = false
+		var barLine = true
+		
+		var balloonID = 0
+		var balloons = meta.balloon || []
+		
+		var lastDrumroll = false
+		var branch = false
+		var branchType
+		var branchPreference = "m"
+		
+		var currentMeasure = []
+		var firstMeasure = true
+		var firstNote = true
+		var circles = []
+		var circleID = 0
+		
+		var pushMeasure = () => {
+			for(var i = 0; i < currentMeasure.length; i++){
+				var note = currentMeasure[i]
+				if(firstNote && note.type){
+					firstNote = false
+					if(ms < 0){
+						this.soundOffset = ms
+						ms = 0
+					}
+				}
+				note.start = ms
+				if(note.endDrumroll){
+					note.endDrumroll.endTime = ms
+				}
+				var msPerMeasure = 60000 * measure / bpm
+				ms += msPerMeasure / currentMeasure.length
+			}
+			for(var i = 0; i < currentMeasure.length; i++){
+				var note = currentMeasure[i]
+				if(note.type){
+					circleID++
+					var circleObj = new Circle({
+						id: circleID,
+						start: note.start,
+						type: note.type,
+						txt: note.txt,
+						speed: note.bpm * note.scroll / 60,
+						gogoTime: note.gogo,
+						endTime: note.endTime,
+						requiredHits: note.requiredHits
+					})
+					if(lastDrumroll === note){
+						lastDrumroll = circleObj
+					}
+					
+					circles.push(circleObj)
+				}
+			}
+			if(barLine){
+				var note = currentMeasure[0]
+				if(note){
+					var speed = note.bpm * note.scroll / 60
+				}else{
+					var speed = bpm * scroll / 60
+				}
+				this.measures.push({
+					ms: ms,
+					speed: speed
+				})
+				if(firstMeasure){
+					firstMeasure = false
+					var msPerMeasure = 60000 * measure / bpm
+					for(var measureMs = ms - msPerMeasure; measureMs > 0; measureMs -= msPerMeasure){
+						this.measures.push({
+							ms: measureMs,
+							speed: speed
+						})
+					}
+				}
+			}
+		}
+		
+		for(var lineNum = meta.start; lineNum < meta.end; lineNum++){
+			var line = this.data[lineNum]
+			if(line.slice(0, 1) === "#"){
+				
+				var line = line.slice(1).toLowerCase()
+				var [name, value] = this.split(line, " ")
+				
+				switch(name){
+					case "gogostart":
+						gogo = true
+						break
+					case "gogoend":
+						gogo = false
+						break
+					case "bpmchange":
+						bpm = parseFloat(value)
+						break
+					case "scroll":
+						scroll = parseFloat(value)
+						break
+					case "branchstart":
+						branch = true
+						branchType = ""
+						value = value.split(",")
+						var forkType = value[0].toLowerCase()
+						if(forkType === "r" || parseFloat(value[2]) <= 100){
+							branchPreference = "m"
+						}else if(parseFloat(value[1]) <= 100){
+							branchPreference = "e"
+						}else{
+							branchPreference = "n"
+						}
+						break
+					case "branchend":
+					case "section":
+						branch = false
+						break
+					case "n": case "e": case "m":
+						branchType = name
+						break
+					case "measure":
+						var [numerator, denominator] = value.split("/")
+						measure = numerator / denominator * 4
+						break
+					case "delay":
+						ms += (parseFloat(value) || 0) * 1000
+						break
+					case "barlineoff":
+						barLine = false
+						break
+				}
+				
+			}else if(!branch || branch && branchType === branchPreference){
+				
+				var string = line.split("")
+				
+				for(let symbol of string){
+					
+					var error = false
+					switch(symbol){
+						
+						case "0":
+							currentMeasure.push({
+								bpm: bpm,
+								scroll: scroll
+							})
+							break
+						case "1": case "2": case "3": case "4":
+							var type = this.noteTypes[symbol]
+							var circleObj = {
+								type: type.name,
+								txt: type.txt,
+								gogo: gogo,
+								bpm: bpm,
+								scroll: scroll
+							}
+							if(lastDrumroll){
+								circleObj.endDrumroll = lastDrumroll
+								lastDrumroll = false
+							}
+							currentMeasure.push(circleObj)
+							break
+						case "5": case "6": case "7": case "9":
+							var type = this.noteTypes[symbol]
+							var circleObj = {
+								type: type.name,
+								txt: type.txt,
+								gogo: gogo,
+								bpm: bpm,
+								scroll: scroll
+							}
+							if(lastDrumroll){
+								circleObj.endDrumroll = lastDrumroll
+							}
+							if(symbol === "7" || symbol === "9"){
+								var hits = balloons[balloonID]
+								if(!hits || hits < 1){
+									hits = 1
+								}
+								circleObj.requiredHits = hits
+								balloonID++
+							}
+							lastDrumroll = circleObj
+							currentMeasure.push(circleObj)
+							break
+						case "8":
+							if(lastDrumroll){
+								currentMeasure.push({
+									endDrumroll: lastDrumroll,
+									bpm: bpm,
+									scroll: scroll
+								})
+								lastDrumroll = false
+							}else{
+								currentMeasure.push({
+									bpm: bpm,
+									scroll: scroll
+								})
+							}
+							break
+						case ",":
+							pushMeasure()
+							currentMeasure = []
+							break
+						default:
+							error = true
+							break
+						
+					}
+					if(error){
+						break
+					}
+				}
+				
+			}
+		}
+		pushMeasure()
+		if(lastDrumroll){
+			lastDrumroll.endTime = ms
+		}
+		
+		return circles
+	}
+}

public/src/js/songselect.js

@@ -88,7 +88,9 @@ class SongSelect{
 				skin: song.category in this.songSkin ? this.songSkin[song.category] : this.songSkin.default,
 				stars: song.stars,
 				category: song.category,
-				preview: song.preview || 0
+				preview: song.preview || 0,
+				type: song.type,
+				offset: song.offset
 			})
 		}
 		this.songs.sort((a, b) => {
@@ -470,7 +472,9 @@ class SongSelect{
 			"title": selectedSong.title,
 			"folder": selectedSong.id,
 			"difficulty": this.difficultyId[difficulty],
-			"category": selectedSong.category
+			"category": selectedSong.category,
+			"type": selectedSong.type,
+			"offset": selectedSong.offset
 		}, shift, ctrl, touch)
 	}
 	toTitleScreen(){

public/src/js/view.js

@@ -48,7 +48,7 @@ class View{
 		
 		this.drumroll = []
 		
-		this.beatInterval = this.controller.getSongData().beatInfo.beatInterval
+		this.beatInterval = this.controller.parsedSongData.beatInfo.beatInterval
 		this.assets = new ViewAssets(this)
 		
 		this.touch = -Infinity
@@ -289,16 +289,12 @@ class View{
 		}
 	}
 	drawMeasures(){
-		var measures = this.controller.getSongData().measures
+		var measures = this.controller.parsedSongData.measures
 		var currentTime = this.controller.getElapsedTime()
 		
 		measures.forEach((measure, index)=>{
 			var timeForDistance = this.posToMs(this.distanceForCircle, measure.speed)
-			if(
-				currentTime >= measure.ms - timeForDistance
-				&& currentTime <= measure.ms + 350
-				&& measure.nb == 0
-			){
+			if(currentTime >= measure.ms - timeForDistance && currentTime <= measure.ms + 350){
 				this.drawMeasure(measure)
 			}
 		})