japanese-drum-game/public/src/js/game.js
2018-08-28 02:56:31 +03:00

439 lines
12 KiB
JavaScript

function Game(controller, selectedSong, songData){
var _this = this;
var _selectedSong = selectedSong;
var _ellapsedTime; //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 _soundSystem = new soundSystem(controller);
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=true;
var _latestDate;
var _ellapsedTimeSincePause=0;
var _musicFadeOut=0;
var _fadeOutStarted=false;
var _currentTimingPoint=0;
var _offsetTime=0;
var _hitcircleSpeed=_songData.difficulty.sliderMultiplier*8;
var _timeForDistanceCircle;
this.run = function(){
_timeForDistanceCircle=((20*controller.getDistanceForCircle())/_hitcircleSpeed);
_this.initTiming();
}
this.initTiming = function(){
_offsetDate = new Date();
_ellapsedTime = {
ms:-parseInt(_timeForDistanceCircle),
sec:0,
min:0,
hour:0
}
_offsetTime = parseInt(_timeForDistanceCircle);
_startDate = new Date();
_startDate.setMilliseconds(_startDate.getMilliseconds()+_offsetTime); //The real start for the game will start when chrono will reach 0
}
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 = _ellapsedTime.ms;
var startingTime = circle.getMS()-_timeForDistanceCircle;
var finishTime = circle.getMS(); //at circle.getMS(), the cirlce fits the slot
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){
circle.updateStatus(-1);
_currentScore=0;
circle.played(_currentScore);
controller.displayScore(_currentScore, true);
_this.updateCurrentCircle();
_this.updateCombo(_currentScore);
_this.updateGlobalScore(_currentScore);
}
}
});
}
this.setHPGain = function(gain){
_HPGain=gain;
}
this.checkPlays = function(){
var circles = _songData.circles;
var circle = circles[_currentCircle];
if(circle){
if(controller.autoPlay(circle)){
return
}
if(controller.getKeys()[86]){
if(!circle.getPlayed() && !controller.isWaitingForKeyup(86, "score") && circle.getStatus()!=-1){
var score = _this.checkScore(circle);
circle.played(score);
_this.updateCurrentCircle();
controller.waitForKeyup(86, "score");
}
}
if(controller.getKeys()[66]){
if(!circle.getPlayed() && !controller.isWaitingForKeyup(66, "score") && circle.getStatus()!=-1){
var score = _this.checkScore(circle);
circle.played(score);
_this.updateCurrentCircle();
controller.waitForKeyup(66, "score");
}
}
if(controller.getKeys()[67]){
if(!circle.getPlayed() && !controller.isWaitingForKeyup(67, "score") && circle.getStatus()!=-1){
var score = _this.checkScore(circle);
circle.played(score);
_this.updateCurrentCircle();
controller.waitForKeyup(67, "score");
}
}
if(controller.getKeys()[78]){
if(!circle.getPlayed() && !controller.isWaitingForKeyup(78, "score") && circle.getStatus()!=-1){
var score = _this.checkScore(circle);
circle.played(score);
_this.updateCurrentCircle();
controller.waitForKeyup(78, "score");
}
}
}
}
this.checkScore = function(circle){
if(
((controller.getKeys()[86] || controller.getKeys()[66]) && (circle.getType()=="don" || circle.getType()=="daiDon")) ||
((controller.getKeys()[67] || controller.getKeys()[78]) && (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(_ellapsedTime.ms>=lastCircle.getMS()+2000){
_fadeOutStarted=true;
}
}
this.whenFadeoutMusic = function(){
if(_fadeOutStarted){
if(_musicFadeOut%8==0){
_soundSystem.fadeOutMusic();
_musicFadeOut++;
}
else{
_musicFadeOut++;
}
}
}
this.checkTiming = function(){
if(_songData.timingPoints[_currentTimingPoint+1]){
if(_this.getEllapsedTime().ms>=_songData.timingPoints[_currentTimingPoint+1].start){
_currentTimingPoint++;
}
}
}
this.getCurrentTimingPoint = function(){
return _songData.timingPoints[_currentTimingPoint];
}
this.toggleMainMusic = function(){
if(_mainMusicPlaying){
assets.sounds["main-music"].pause();
_mainMusicPlaying=false;
}
else{
assets.sounds["main-music"].play();
_mainMusicPlaying=true;
}
}
this.fadeOutOver = function(){
_fadeOutStarted=false;
}
this.playSound = function(soundID){
_soundSystem.playSound(soundID);
}
this.pauseSound = function(soundID, stop){
_soundSystem.pauseSound(soundID, stop);
}
this.getHitcircleSpeed = function(){
return _hitcircleSpeed;
}
this.togglePause = function(){
if(!_paused){
assets.sounds["pause"].play();
_paused=true;
_latestDate = new Date();
_this.toggleMainMusic();
}
else{
assets.sounds["cancel"].play();
_paused=false;
var currentDate = new Date();
_ellapsedTimeSincePause = _ellapsedTimeSincePause + Math.abs(currentDate.getTime() - _latestDate.getTime());
_this.toggleMainMusic();
}
}
this.isPaused = function(){
return _paused;
}
this.getEllapsedTime = function(){
return _ellapsedTime;
}
this.updateTime = function(){
_currentDate = new Date();
if(_ellapsedTime.ms<0){
_ellapsedTime.ms = _currentDate.getTime() - _startDate.getTime();
}
else if(_ellapsedTime.ms>=0 && !_started){
_startDate = new Date();
_ellapsedTime.ms = Math.abs(_startDate.getTime() - _currentDate.getTime());
_started=true;
}
else if(_ellapsedTime.ms>=0 && _started){
_ellapsedTime.ms = Math.abs(_startDate.getTime() - _currentDate.getTime()) - _ellapsedTimeSincePause;
}
_ellapsedTime.sec = parseInt(_ellapsedTime.ms / 1000) % 60;
_ellapsedTime.min = parseInt(_ellapsedTime.ms / (1000 * 60)) % 60;
_ellapsedTime.hour = parseInt(_ellapsedTime.ms / (1000 * 60 * 60)) % 60;
}
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.playSound("combo-50");
break;
case 100:
controller.playSound("combo-100");
break;
case 200:
controller.playSound("combo-200");
break;
case 300:
controller.playSound("combo-300");
break;
case 400:
controller.playSound("combo-400");
break;
case 500:
controller.playSound("combo-500");
break;
case 600:
controller.playSound("combo-600");
break;
case 700:
controller.playSound("combo-700");
break;
case 800:
controller.playSound("combo-800");
break;
case 900:
controller.playSound("combo-900");
break;
case 1000:
controller.playSound("combo-1000");
break;
case 1100:
controller.playSound("combo-1100");
break;
case 1200:
controller.playSound("combo-1200");
break;
case 1300:
controller.playSound("combo-1300");
break;
case 1400:
controller.playSound("combo-1400");
break;
}
}
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;
}
}