japanese-drum-game/public/src/js/game.js
2018-09-14 01:55:23 +03:00

446 lines
13 KiB
JavaScript

function Game(controller, selectedSong, songData){
var _this = this;
var _selectedSong = selectedSong;
this.elapsedTime = {} //current time in ms from the beginning of the song
var _offsetDate; //date when the chrono is started (before the game begins)
var _startDate; //real start date (when the chrono will be 0)
var _currentDate; // refreshed date
var _songData=songData;
var _currentCircle=0;
var _currentScore=0;
var _combo=0;
var _globalScore={points:0, great:0, good:0, fail:0, maxCombo:0, hp:0, song:selectedSong.title};
var _HPGain= 100/_songData.circles.length;
var _paused=false;
var _started=false;
var _mainMusicPlaying=false;
var _latestDate;
var _elapsedTimeSincePause=0;
var _musicFadeOut=0;
var _fadeOutStarted=false;
var _currentTimingPoint=0;
var _offsetTime=0;
var _hitcircleSpeed=_songData.difficulty.sliderMultiplier*8;
var _timeForDistanceCircle;
var _mainAsset
assets.songs.forEach(song => {
if(song.id == selectedSong.folder){
_mainAsset = song.sound
}
})
this.run = function(){
_timeForDistanceCircle=2500
_this.initTiming();
}
this.initTiming = function(){
_offsetDate = new Date();
_this.setElapsedTime(-_timeForDistanceCircle |0)
_offsetTime = _timeForDistanceCircle |0
_startDate = new Date();
// The real start for the game will start when chrono will reach 0
_startDate.setMilliseconds(_startDate.getMilliseconds()+_offsetTime);
}
this.update = function(){
// Main operations
_this.updateTime();
_this.checkTiming();
_this.updateCirclesStatus();
_this.checkPlays();
// Event operations
_this.whenFadeoutMusic();
_this.whenLastCirclePlayed();
}
this.getCircles = function(){
return _songData.circles;
}
this.updateCirclesStatus = function(){
var circles = _songData.circles;
circles.forEach(function(circle){
if(!circle.getPlayed()){
var currentTime = _this.getElapsedTime().ms;
var startingTime = circle.getMS()-_timeForDistanceCircle;
// At circle.getMS(), the circle fits the slot
var finishTime = circle.getMS();
if( currentTime >= startingTime && currentTime <= finishTime+200){
if(currentTime>= finishTime-50 && currentTime < finishTime-30){
circle.updateStatus(0);
}
else if(currentTime>= finishTime-30 && currentTime < finishTime){
circle.updateStatus(230);
}
else if(currentTime >= finishTime && currentTime < finishTime+200){
circle.updateStatus(450);
}
}
else if(currentTime>finishTime+200 && currentTime<=finishTime+300){
if(controller.multiplayer != 2){
circle.updateStatus(-1);
_currentScore=0;
circle.played(_currentScore);
controller.displayScore(_currentScore, true);
_this.updateCurrentCircle();
_this.updateCombo(_currentScore);
_this.updateGlobalScore(_currentScore);
}
if(controller.multiplayer == 1){
p2.send("note", {
score: -1
})
}
}
}
});
}
this.setHPGain = function(gain){
_HPGain=gain;
}
this.checkPlays = function(){
var circles = _songData.circles;
var circle = circles[_currentCircle];
if(circle){
if(controller.autoPlayEnabled){
return controller.autoPlay(circle)
}
var keys = controller.getKeys()
var kbd = controller.getBindings()
if(keys[kbd["don_l"]]){
_this.checkKey(kbd["don_l"], circle)
}
if(keys[kbd["don_r"]]){
_this.checkKey(kbd["don_r"], circle)
}
if(keys[kbd["ka_l"]]){
_this.checkKey(kbd["ka_l"], circle)
}
if(keys[kbd["ka_r"]]){
_this.checkKey(kbd["ka_r"], circle)
}
}
}
this.checkKey = function(keyCode, circle){
if(!circle.getPlayed() && !controller.isWaitingForKeyup(keyCode, "score") && circle.getStatus()!=-1){
var score = _this.checkScore(circle);
circle.played(score);
_this.updateCurrentCircle();
controller.waitForKeyup(keyCode, "score");
if(controller.multiplayer == 1){
p2.send("note", {
score: score,
ms: circle.getMS() - _this.getElapsedTime().ms
})
}
}
}
this.checkScore = function(circle){
var keys = controller.getKeys()
var kbd = controller.getBindings()
if(
((keys[kbd["don_l"]] || keys[kbd["don_r"]]) && (circle.getType()=="don" || circle.getType()=="daiDon")) ||
((keys[kbd["ka_l"]] || keys[kbd["ka_r"]]) && (circle.getType()=="ka" || circle.getType()=="daiKa"))
){
switch(circle.getStatus()){
case 230:
_currentScore=230;
break;
case 450:
_currentScore=450;
break;
}
controller.displayScore(_currentScore);
}
else{
_currentScore=0;
controller.displayScore(_currentScore, true);
}
_this.updateCombo(_currentScore);
_this.updateGlobalScore(_currentScore);
return _currentScore;
}
this.whenLastCirclePlayed = function(){
var circles = _songData.circles;
var lastCircle = circles[_songData.circles.length-1];
if(!_fadeOutStarted && _this.getElapsedTime().ms>=lastCircle.getMS()+2000){
_fadeOutStarted=_this.getElapsedTime().ms
}
}
this.whenFadeoutMusic = function(){
if(_fadeOutStarted){
if(_musicFadeOut==0){
snd.musicGain.fadeOut(1.6)
_musicFadeOut++
if(controller.multiplayer == 1){
p2.send("gameend")
}
}
if(_musicFadeOut==1 && _this.getElapsedTime().ms>=_fadeOutStarted+1600){
controller.fadeOutOver()
_mainAsset.stop()
_musicFadeOut++
setTimeout(() => {
snd.musicGain.fadeIn()
snd.musicGain.unmute()
}, 1000)
}
}
}
this.checkTiming = function(){
if(_songData.timingPoints[_currentTimingPoint+1]){
if(_this.getElapsedTime().ms>=_songData.timingPoints[_currentTimingPoint+1].start){
_currentTimingPoint++;
}
}
}
this.getCurrentTimingPoint = function(){
return _songData.timingPoints[_currentTimingPoint];
}
this.playMainMusic = function(){
var ms = _this.getElapsedTime().ms
if(!_mainMusicPlaying && (!_fadeOutStarted || ms<_fadeOutStarted+1600)){
if(controller.multiplayer != 2){
_mainAsset.play((ms < 0 ? -ms : 0) / 1000, false, Math.max(0, ms / 1000));
}
_mainMusicPlaying=true;
}
}
this.fadeOutOver = function(){
}
this.getHitcircleSpeed = function(){
return _hitcircleSpeed;
}
this.togglePause = function(){
if(!_paused){
assets.sounds["pause"].play();
_paused=true;
_latestDate = new Date();
_mainAsset.stop();
_mainMusicPlaying=false;
}
else{
assets.sounds["cancel"].play();
_paused=false;
var currentDate = new Date();
_elapsedTimeSincePause = _elapsedTimeSincePause + currentDate.getTime() - _latestDate.getTime();
}
}
this.isPaused = function(){
return _paused;
}
this.getElapsedTime = function(){
return this.elapsedTime;
}
this.setElapsedTime = function(time){
this.elapsedTime.ms = time
this.elapsedTime.sec = (this.elapsedTime.ms / 1000 |0) % 60
this.elapsedTime.min = (this.elapsedTime.ms / 1000 / 60 |0) % 60
this.elapsedTime.hour = (this.elapsedTime.ms / 1000 / 60 / 60 |0) % 60
}
this.updateTime = function(){
_currentDate = new Date();
var time = _this.getElapsedTime()
if(time.ms<0){
_this.setElapsedTime(_currentDate.getTime() - _startDate.getTime() - _elapsedTimeSincePause)
}
else if(time.ms>=0 && !_started){
_startDate = new Date();
_elapsedTimeSincePause = 0;
_this.setElapsedTime(_currentDate.getTime() - _startDate.getTime())
_started=true;
}
else if(time.ms>=0 && _started){
_this.setElapsedTime(_currentDate.getTime() - _startDate.getTime() - _elapsedTimeSincePause)
}
}
this.getCircles = function(){
return _songData.circles;
}
this.getSongData = function(){
return _songData;
}
this.updateCurrentCircle = function(){
_currentCircle++;
}
this.getCurrentCircle = function(){
return _currentCircle;
}
this.updateCombo = function(score){
(score!=0) ? _combo++ : _combo=0;
if(_combo>_globalScore.maxCombo) _globalScore.maxCombo = _combo;
switch(_combo){
case 50:
controller.playSoundMeka("combo-50");
break;
case 100:
controller.playSoundMeka("combo-100");
break;
case 200:
controller.playSoundMeka("combo-200");
break;
case 300:
controller.playSoundMeka("combo-300");
break;
case 400:
controller.playSoundMeka("combo-400");
break;
case 500:
controller.playSoundMeka("combo-500");
break;
case 600:
controller.playSoundMeka("combo-600");
break;
case 700:
controller.playSoundMeka("combo-700");
break;
case 800:
controller.playSoundMeka("combo-800");
break;
case 900:
controller.playSoundMeka("combo-900");
break;
case 1000:
controller.playSoundMeka("combo-1000");
break;
case 1100:
controller.playSoundMeka("combo-1100");
break;
case 1200:
controller.playSoundMeka("combo-1200");
break;
case 1300:
controller.playSoundMeka("combo-1300");
break;
case 1400:
controller.playSoundMeka("combo-1400");
break;
}
controller.view.updateCombo(_combo)
}
this.getCombo = function(){
return _combo;
}
this.getGlobalScore = function(){
return _globalScore;
}
this.updateGlobalScore = function(score){
/* Circle score */
switch(score){
case 450:
_globalScore.great++;
break;
case 230:
_globalScore.good++;
break;
case 0:
_globalScore.fail++;
break;
}
/* HP Update */
if(score!=0){
_globalScore.hp+=_HPGain;
}
else{
if(_globalScore.hp-_HPGain>0)
_globalScore.hp-=_HPGain;
else
_globalScore.hp=0;
}
/* Points update */
if(_combo>=11 && _combo<=20){
score+=100;
}
else if(_combo>=21 && _combo<=30){
score+=200;
}
else if(_combo>=31 && _combo<=40){
score+=300;
}
else if(_combo>=41 && _combo<=50){
score+=400;
}
else if(_combo>=51 && _combo<=60){
score+=500;
}
else if(_combo>=61 && _combo<=70){
score+=500;
}
else if(_combo>=71 && _combo<=80){
score+=600;
}
else if(_combo>=81 && _combo<=90){
score+=700;
}
else if(_combo>=91 && _combo<=100){
score+=800;
}
_globalScore.points+=score;
}
}