japanese-drum-game/public/src/js/scorestorage.js

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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"]
this.load()
}
load(){
this.scores = {}
this.scoreStrings = {}
try{
var localScores = localStorage.getItem("scoreStorage")
if(localScores){
this.scoreStrings = JSON.parse(localScores)
}
}catch(e){}
for(var hash in this.scoreStrings){
var scoreString = this.scoreStrings[hash]
var songAdded = false
if(typeof scoreString === "string" && scoreString){
var diffArray = scoreString.split(";")
for(var i in this.difficulty){
if(diffArray[i]){
var crown = parseInt(diffArray[i].slice(0, 1)) || 0
var score = {
crown: this.crownValue[crown] || ""
}
var scoreArray = diffArray[i].slice(1).split(",")
for(var j in this.scoreKeys){
var name = this.scoreKeys[j]
var value = parseInt(scoreArray[j], 36) || 0
if(value < 0){
value = 0
}
score[name] = value
}
if(!songAdded){
this.scores[hash] = {title: null}
songAdded = true
}
this.scores[hash][this.difficulty[i]] = score
}
}
}
}
}
save(){
for(var hash in this.scores){
this.writeString(hash)
}
this.write()
}
write(){
try{
localStorage.setItem("scoreStorage", JSON.stringify(this.scoreStrings))
}catch(e){}
}
writeString(hash){
var score = this.scores[hash]
var diffArray = []
var notEmpty = false
for(var i = this.difficulty.length; i--;){
var diff = this.difficulty[i]
if(score[diff]){
var scoreArray = []
var crown = this.crownValue.indexOf(score[diff].crown).toString()
for(var j in this.scoreKeys){
var name = this.scoreKeys[j]
var value = score[diff][name]
value = Math.floor(value).toString(36)
scoreArray.push(value)
}
diffArray.unshift(crown + scoreArray.join(","))
notEmpty = true
}else if(notEmpty){
diffArray.unshift("")
}
}
this.scoreStrings[hash] = diffArray.join(";")
}
titleHash(song){
if(song in this.songTitles){
return this.songTitles[song]
}else{
return song
}
}
get(song, difficulty, isHash){
if(!song){
return this.scores
}else{
var hash = isHash ? song : this.titleHash(song)
if(difficulty){
if(hash in this.scores){
return this.scores[hash][difficulty]
}
}else{
return this.scores[hash]
}
}
}
add(song, difficulty, scoreObject, isHash, setTitle){
var hash = isHash ? song : this.titleHash(song)
if(!(hash in this.scores)){
this.scores[hash] = {}
}
if(setTitle){
this.scores[hash].title = setTitle
}
this.scores[hash][difficulty] = scoreObject
this.writeString(hash)
this.write()
}
template(){
var template = {crown: ""}
for(var i in this.scoreKeys){
var name = this.scoreKeys[i]
template[name] = 0
}
return template
}
remove(song, difficulty, isHash){
var hash = isHash ? song : this.titleHash(song)
if(hash in this.scores){
if(difficulty){
if(difficulty in this.scores[hash]){
delete this.scores[hash][difficulty]
var noDiff = true
for(var i in this.difficulty){
if(this.scores[hash][this.difficulty[i]]){
noDiff = false
break
}
}
if(noDiff){
delete this.scores[hash]
delete this.scoreStrings[hash]
}else{
this.writeString(hash)
}
}
}else{
delete this.scores[hash]
delete this.scoreStrings[hash]
}
this.write()
}
}
}