ScoreStorage: Use hashes instead of song titles

public/src/js/assets.js

@@ -1,6 +1,7 @@
 var assets = {
 	"js": [
 		"lib/fontdetect.min.js",
+		"lib/md5.min.js",
 		"loadsong.js",
 		"parseosu.js",
 		"titlescreen.js",

public/src/js/importsongs.js

@@ -274,6 +274,13 @@
 			if(songObj.stars.length !== 0){
 				this.songs[index] = songObj
 			}
+			var hash = md5.base64(event.target.result).slice(0, -2)
+			songObj.hash = hash
+			scoreStorage.songTitles[songObj.title] = hash
+			var score = scoreStorage.get(hash)
+			if(score){
+				score.title = songObj.title
+			}
 		}).catch(() => {})
 		reader.readAsText(file, "sjis")
 		return promise
@@ -297,7 +304,8 @@
 				subtitle_lang: osu.metadata.Artist || osu.metadata.ArtistUnicode,
 				preview: osu.generalInfo.PreviewTime / 1000,
 				stars: [null, null, null, parseInt(osu.difficulty.overallDifficulty) || 1],
-				music: this.otherFiles[dir + osu.generalInfo.AudioFilename.toLowerCase()] || "muted"
+				music: this.otherFiles[dir + osu.generalInfo.AudioFilename.toLowerCase()] || "muted",
+				hash: md5.base64(event.target.result).slice(0, -2)
 			}
 			var filename = file.name.slice(0, file.name.lastIndexOf("."))
 			var title = osu.metadata.TitleUnicode || osu.metadata.Title

public/src/js/loader.js

@@ -204,9 +204,21 @@ class Loader{
 			}
 			
 			settings = new Settings()
-			scoreStorage = new ScoreStorage()
 			pageEvents.setKbd()
 			
+			scoreStorage = new ScoreStorage()
+			for(var i in assets.songsDefault){
+				var song = assets.songsDefault[i]
+				if(!song.hash){
+					song.hash = song.title
+				}
+				scoreStorage.songTitles[song.title] = song.hash
+				var score = scoreStorage.get(song.hash)
+				if(score){
+					score.title = song.title
+				}
+			}
+			
 			Promise.all(this.promises).then(() => {
 				this.canvasTest.drawAllImages().then(result => {
 					perf.allImg = result

public/src/js/scoresheet.js

@@ -863,8 +863,9 @@ class Scoresheet{
 	saveScore(){
 		if(!this.controller.autoPlayEnabled && this.resultsObj.points > 0){
 			var title = this.controller.selectedSong.originalTitle
+			var hash = this.controller.selectedSong.hash
 			var difficulty = this.resultsObj.difficulty
-			var oldScore = scoreStorage.get(title, difficulty)
+			var oldScore = scoreStorage.get(hash, difficulty, true)
 			if(!oldScore || oldScore.points <= this.resultsObj.points){
 				var crown = ""
 				if(this.controller.game.rules.clearReached(this.resultsObj.gauge)){
@@ -877,7 +878,7 @@ class Scoresheet{
 				delete this.resultsObj.title
 				delete this.resultsObj.difficulty
 				delete this.resultsObj.gauge
-				scoreStorage.add(title, difficulty, this.resultsObj)
+				scoreStorage.add(hash, difficulty, this.resultsObj, true, title)
 			}
 		}
 		this.scoreSaved = true

public/src/js/scorestorage.js

@@ -1,6 +1,7 @@
 class ScoreStorage{
 	constructor(){
 		this.scores = {}
+		this.songTitles = {}
 		this.difficulty = ["oni", "ura", "hard", "normal", "easy"]
 		this.scoreKeys = ["points", "good", "ok", "bad", "maxCombo", "drumroll"]
 		this.crownValue = ["", "silver", "gold"]
@@ -15,8 +16,8 @@ class ScoreStorage{
 				this.scoreStrings = JSON.parse(localScores)
 			}
 		}catch(e){}
-		for(var song in this.scoreStrings){
-			var scoreString = this.scoreStrings[song]
+		for(var hash in this.scoreStrings){
+			var scoreString = this.scoreStrings[hash]
 			var songAdded = false
 			if(typeof scoreString === "string" && scoreString){
 				var diffArray = scoreString.split(";")
@@ -36,18 +37,18 @@ class ScoreStorage{
 							score[name] = value
 						}
 						if(!songAdded){
-							this.scores[song] = []
+							this.scores[hash] = {title: null}
 							songAdded = true
 						}
-						this.scores[song][this.difficulty[i]] = score
+						this.scores[hash][this.difficulty[i]] = score
 					}
 				}
 			}
 		}
 	}
 	save(){
-		for(var song in this.scores){
-			this.writeString(song)
+		for(var hash in this.scores){
+			this.writeString(hash)
 		}
 		this.write()
 	}
@@ -56,8 +57,8 @@ class ScoreStorage{
 			localStorage.setItem("scoreStorage", JSON.stringify(this.scoreStrings))
 		}catch(e){}
 	}
-	writeString(song){
-		var score = this.scores[song]
+	writeString(hash){
+		var score = this.scores[hash]
 		var diffArray = []
 		var notEmpty = false
 		for(var i = this.difficulty.length; i--;){
@@ -77,25 +78,39 @@ class ScoreStorage{
 				diffArray.unshift("")
 			}
 		}
-		this.scoreStrings[song] = diffArray.join(";")
+		this.scoreStrings[hash] = diffArray.join(";")
 	}
-	get(song, difficulty){
+	titleHash(song){
+		if(song in this.songTitles){
+			return this.songTitles[song]
+		}else{
+			return song
+		}
+	}
+	get(song, difficulty, isHash){
 		if(!song){
 			return this.scores
-		}else if(song in this.scores){
+		}else{
+			var hash = isHash ? song : this.titleHash(song)
 			if(difficulty){
-				return this.scores[song][difficulty]
+				if(hash in this.scores){
+					return this.scores[hash][difficulty]
+				}
 			}else{
-				return this.scores[song]
+				return this.scores[hash]
 			}
 		}
 	}
-	add(song, difficulty, scoreObject){
-		if(!(song in this.scores)){
-			this.scores[song] = {}
+	add(song, difficulty, scoreObject, isHash, setTitle){
+		var hash = isHash ? song : this.titleHash(song)
+		if(!(hash in this.scores)){
+			this.scores[hash] = {}
 		}
-		this.scores[song][difficulty] = scoreObject
-		this.writeString(song)
+		if(setTitle){
+			this.scores[hash].title = setTitle
+		}
+		this.scores[hash][difficulty] = scoreObject
+		this.writeString(hash)
 		this.write()
 	}
 	template(){
@@ -106,28 +121,29 @@ class ScoreStorage{
 		}
 		return template
 	}
-	remove(song, difficulty){
-		if(song in this.scores){
+	remove(song, difficulty, isHash){
+		var hash = isHash ? song : this.titleHash(song)
+		if(hash in this.scores){
 			if(difficulty){
-				if(difficulty in this.scores[song]){
-					delete this.scores[song][difficulty]
+				if(difficulty in this.scores[hash]){
+					delete this.scores[hash][difficulty]
 					var noDiff = true
 					for(var i in this.difficulty){
-						if(this.scores[song][this.difficulty[i]]){
+						if(this.scores[hash][this.difficulty[i]]){
 							noDiff = false
 							break
 						}
 					}
 					if(noDiff){
-						delete this.scores[song]
-						delete this.scoreStrings[song]
+						delete this.scores[hash]
+						delete this.scoreStrings[hash]
 					}else{
-						this.writeString(song)
+						this.writeString(hash)
 					}
 				}
 			}else{
-				delete this.scores[song]
-				delete this.scoreStrings[song]
+				delete this.scores[hash]
+				delete this.scoreStrings[hash]
 			}
 			this.write()
 		}

public/src/js/songselect.js

@@ -125,7 +125,8 @@ class SongSelect{
 				music: song.music,
 				volume: song.volume,
 				maker: song.maker,
-				canJump: true
+				canJump: true,
+				hash: song.hash || song.title
 			})
 		}
 		this.songs.sort((a, b) => {
@@ -746,7 +747,8 @@ class SongSelect{
 			"type": selectedSong.type,
 			"offset": selectedSong.offset,
 			"songSkin": selectedSong.songSkin,
-			"stars": selectedSong.stars[difficulty]
+			"stars": selectedSong.stars[difficulty],
+			"hash": selectedSong.hash
 		}, autoplay, multiplayer, touch)
 	}
 	toOptions(moveBy){
@@ -1256,6 +1258,15 @@ class SongSelect{
 			this.currentSongCache.clear()
 		}
 		
+		if(selectedWidth === this.songAsset.width){
+			this.drawSongCrown({
+				ctx: ctx,
+				song: currentSong,
+				x: winW / 2 - selectedWidth / 2 + xOffset,
+				y: songTop + this.songAsset.height - selectedHeight
+			})
+		}
+		
 		this.draw.songFrame({
 			ctx: ctx,
 			x: winW / 2 - selectedWidth / 2 + xOffset,
@@ -1387,7 +1398,7 @@ class SongSelect{
 				}
 				var drawDifficulty = (ctx, i, currentUra) => {
 					if(currentSong.stars[i] || currentUra){
-						var score = scoreStorage.get(currentSong.originalTitle)
+						var score = scoreStorage.get(currentSong.hash)
 						var crownDiff = currentUra ? "ura" : this.difficultyId[i]
 						var crownType = ""
 						if(score && score[crownDiff]){
@@ -1926,35 +1937,7 @@ class SongSelect{
 	drawClosedSong(config){
 		var ctx = config.ctx
 		
-		if(!config.song.action && config.song.originalTitle){
-			var score = scoreStorage.get(config.song.originalTitle)
-			for(var i = this.difficultyId.length; i--;){
-				var diff = this.difficultyId[i]
-				if(!score){
-					break
-				}
-				if(config.song.stars[i] && score[diff] && score[diff].crown){
-					this.draw.crown({
-						ctx: ctx,
-						type: score[diff].crown,
-						x: config.x + this.songAsset.width / 2,
-						y: config.y - 13,
-						scale: 0.3,
-						ratio: this.ratio / this.pixelRatio
-					})
-					this.draw.diffIcon({
-						ctx: ctx,
-						diff: i,
-						x: config.x + this.songAsset.width / 2 + 8,
-						y: config.y - 8,
-						scale: diff === "hard" || diff === "normal" ? 0.45 : 0.5,
-						border: 6.5,
-						small: true
-					})
-					break
-				}
-			}
-		}
+		this.drawSongCrown(config)
 		config.width = this.songAsset.width
 		config.height = this.songAsset.height
 		config.border = this.songAsset.border
@@ -2004,6 +1987,39 @@ class SongSelect{
 		}
 	}
 	
+	drawSongCrown(config){
+		if(!config.song.action && config.song.hash){
+			var ctx = config.ctx
+			var score = scoreStorage.get(config.song.hash)
+			for(var i = this.difficultyId.length; i--;){
+				var diff = this.difficultyId[i]
+				if(!score){
+					break
+				}
+				if(config.song.stars[i] && score[diff] && score[diff].crown){
+					this.draw.crown({
+						ctx: ctx,
+						type: score[diff].crown,
+						x: config.x + this.songAsset.width / 2,
+						y: config.y - 13,
+						scale: 0.3,
+						ratio: this.ratio / this.pixelRatio
+					})
+					this.draw.diffIcon({
+						ctx: ctx,
+						diff: i,
+						x: config.x + this.songAsset.width / 2 + 8,
+						y: config.y - 8,
+						scale: diff === "hard" || diff === "normal" ? 0.45 : 0.5,
+						border: 6.5,
+						small: true
+					})
+					break
+				}
+			}
+		}
+	}
+	
 	startPreview(loadOnly){
 		var currentSong = this.songs[this.selectedSong]
 		var id = currentSong.id