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Funkin/source/funkin/audio/visualize/ABotVis.hx

161 lines
4.2 KiB
Haxe

package funkin.audio.visualize;
import funkin.audio.visualize.dsp.FFT;
import flixel.FlxSprite;
import flixel.addons.plugin.taskManager.FlxTask;
import flixel.graphics.frames.FlxAtlasFrames;
import flixel.group.FlxSpriteGroup.FlxTypedSpriteGroup;
import flixel.math.FlxMath;
import flixel.sound.FlxSound;
import funkin.util.MathUtil;
using Lambda;
class ABotVis extends FlxTypedSpriteGroup<FlxSprite>
{
public var vis:VisShit;
var volumes:Array<Float> = [];
public function new(snd:FlxSound)
{
super();
vis = new VisShit(snd);
// vis.snd = snd;
var visFrms:FlxAtlasFrames = Paths.getSparrowAtlas('aBotViz');
for (lol in 1...8)
{
// pushes initial value
volumes.push(0.0);
var viz:FlxSprite = new FlxSprite(50 * lol, 0);
viz.frames = visFrms;
add(viz);
var visStr = 'VIZ';
if (lol == 5) visStr = 'viz'; // lol makes it lowercase, accomodates for art that I dont wanna rename!
viz.animation.addByPrefix('VIZ', visStr + lol, 0);
viz.animation.play('VIZ', false, false, -1);
}
}
override function update(elapsed:Float)
{
// updateViz();
updateFFT(elapsed);
super.update(elapsed);
}
function updateFFT(elapsed:Float)
{
if (vis.snd != null)
{
vis.checkAndSetBuffer();
if (vis.setBuffer)
{
var remappedShit:Int = 0;
if (vis.snd.playing) remappedShit = Std.int(FlxMath.remapToRange(vis.snd.time, 0, vis.snd.length, 0, vis.numSamples));
else
remappedShit = Std.int(FlxMath.remapToRange(Conductor.songPosition, 0, vis.snd.length, 0, vis.numSamples));
var fftSamples:Array<Float> = [];
var swagBucks = remappedShit;
for (i in remappedShit...remappedShit + (Std.int((44100 * (1 / 144)))))
{
var left = vis.audioData[swagBucks] / 32767;
var right = vis.audioData[swagBucks + 1] / 32767;
var balanced = (left + right) / 2;
swagBucks += 2;
fftSamples.push(balanced);
}
var freqShit = vis.funnyFFT(fftSamples);
for (i in 0...group.members.length)
{
var getSliceShit = function(s:Int) {
var powShit = FlxMath.remapToRange(s, 0, group.members.length, 0, MathUtil.logBase(10, freqShit[0].length));
return Math.round(Math.pow(10, powShit));
};
// var powShit:Float = getSliceShit(i);
var hzSliced:Int = getSliceShit(i);
var sliceLength:Int = Std.int(freqShit[0].length / group.members.length);
var volSlice = freqShit[0].slice(hzSliced, getSliceShit(i + 1));
var avgVel:Float = 0;
for (slice in volSlice)
{
avgVel += slice;
}
avgVel /= volSlice.length;
avgVel *= 10000000;
volumes[i] += avgVel - (elapsed * (volumes[i] * 50));
var animFrame:Int = Std.int(volumes[i]);
animFrame = Math.floor(Math.min(5, animFrame));
animFrame = Math.floor(Math.max(0, animFrame));
animFrame = Std.int(Math.abs(animFrame - 5)); // shitty dumbass flip, cuz dave got da shit backwards lol!
group.members[i].animation.curAnim.curFrame = animFrame;
if (FlxG.keys.justPressed.U)
{
trace(avgVel);
trace(group.members[i].animation.curAnim.curFrame);
}
}
// group.members[0].animation.curAnim.curFrame =
}
}
}
public function updateViz()
{
if (vis.snd != null)
{
var remappedShit:Int = 0;
vis.checkAndSetBuffer();
if (vis.setBuffer)
{
// var startingSample:Int = Std.int(FlxMath.remapToRange)
if (vis.snd.playing) remappedShit = Std.int(FlxMath.remapToRange(vis.snd.time, 0, vis.snd.length, 0, vis.numSamples));
for (i in 0...group.members.length)
{
var sampleApprox:Int = Std.int(FlxMath.remapToRange(i, 0, group.members.length, remappedShit, remappedShit + 500));
var left = vis.audioData[sampleApprox] / 32767;
var animFrame:Int = Std.int(FlxMath.remapToRange(left, -1, 1, 0, 6));
group.members[i].animation.curAnim.curFrame = animFrame;
}
}
}
}
}