84 lines
1.9 KiB
Haxe
84 lines
1.9 KiB
Haxe
package;
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import Song.SwagSong;
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import flixel.FlxG;
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/**
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* ...
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* @author
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*/
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typedef BPMChangeEvent =
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{
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var stepTime:Int;
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var songTime:Float;
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var bpm:Float;
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}
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class Conductor
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{
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public static var bpm:Float = 100;
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public static var crochet:Float = ((60 / bpm) * 1000); // beats in milliseconds
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public static var stepCrochet:Float = crochet / 4; // steps in milliseconds
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public static var songPosition:Float;
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public static var lastSongPos:Float;
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public static var offset:Float = 0;
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public static var safeFrames:Int = 10;
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public static var safeZoneOffset:Float = Math.floor((safeFrames / 60) * 1000); // is calculated in create(), is safeFrames in milliseconds
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public static var timeScale:Float = Conductor.safeZoneOffset / 166;
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public static var lengthInSteps:Float = 0;
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public static var bpmChangeMap:Array<BPMChangeEvent> = [];
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public function new()
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{
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}
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public static function recalculateTimings()
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{
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Conductor.safeFrames = FlxG.save.data.frames;
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Conductor.safeZoneOffset = Math.floor((Conductor.safeFrames / 60) * 1000);
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Conductor.timeScale = Conductor.safeZoneOffset / 166;
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}
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public static function mapBPMChanges(song:SwagSong)
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{
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bpmChangeMap = [];
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var curBPM:Float = song.bpm;
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var totalSteps:Int = 0;
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var totalPos:Float = 0;
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for (i in 0...song.notes.length)
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{
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if(song.notes[i].changeBPM && song.notes[i].bpm != curBPM)
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{
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curBPM = song.notes[i].bpm;
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var event:BPMChangeEvent = {
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stepTime: totalSteps,
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songTime: totalPos,
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bpm: curBPM
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};
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bpmChangeMap.push(event);
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}
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var deltaSteps:Int = song.notes[i].lengthInSteps;
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totalSteps += deltaSteps;
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totalPos += ((60 / curBPM) * 1000 / 4) * deltaSteps;
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}
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trace("new BPM map BUDDY " + bpmChangeMap);
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}
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public static function changeBPM(newBpm:Float)
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{
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bpm = newBpm;
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crochet = ((60 / bpm) * 1000);
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stepCrochet = crochet / 4;
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lengthInSteps = (FlxG.sound.music.length / stepCrochet);
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trace("\nLength in in steps: " + lengthInSteps);
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}
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} |