Funkin/source/funkin/animate/FlxAnimate.hx

package funkin.animate;

import funkin.animate.ParseAnimate.AnimJson;
import funkin.animate.ParseAnimate.Sprite;
import funkin.animate.ParseAnimate.Spritemap;
import flixel.FlxCamera;
import flixel.FlxSprite;
import flixel.graphics.FlxGraphic;
import flixel.graphics.frames.FlxAtlasFrames;
import flixel.graphics.frames.FlxFrame.FlxFrameAngle;
import flixel.group.FlxGroup;
import flixel.math.FlxMatrix;
import flixel.math.FlxPoint;
import flixel.math.FlxRect;
import flixel.system.FlxAssets.FlxGraphicAsset;
import haxe.format.JsonParser;
import openfl.Assets;
import openfl.display.BitmapData;
import openfl.geom.Matrix;
import openfl.geom.Rectangle;

class FlxAnimate extends FlxSymbol
{
	// var myAnim:Animation;
	// var animBitmap:BitmapData;
	var jsonAnim:AnimJson;

	var sprGrp:FlxTypedGroup<FlxSymbol>;

	public function new(x:Float, y:Float)
	{
		super(x, y);

		sprGrp = new FlxTypedGroup<FlxSymbol>();

		var tests:Array<String> = ['tightBarsLol', 'tightestBars'];

		var folder:String = tests[1];

		frames = FlxAnimate.fromAnimate(Paths.file('images/' + folder + "/spritemap1.png"), Paths.file('images/$folder/spritemap1.json'));

		jsonAnim = cast CoolUtil.coolJSON(Assets.getText(Paths.file('images/$folder/Animation.json')));
		ParseAnimate.generateSymbolmap(jsonAnim.SD.S);
		ParseAnimate.resetFrameList();

		ParseAnimate.parseTimeline(jsonAnim.AN.TL, 0, 0);

		generateSpriteShit();

		/* var folder:String = 'tightestBars';
			coolParse = cast Json.parse(Assets.getText(Paths.file('images/' + folder + '/Animation.json')));

			// reverses the layers, for proper rendering!
			coolParse.AN.TL.L.reverse();
			super(x, y, coolParse);

			frames = FlxAnimate.fromAnimate(Paths.file('images/' + folder + '/spritemap1.png'), Paths.file('images/' + folder + '/spritemap1.json'));
		 */

		// frames
	}

	override function draw()
	{
		// having this commented out fixes some wacky scaling bullshit?
		// or fixes drawing it twice?
		// super.draw();

		// renderFrame(coolParse.AN.TL, coolParse, true);

		actualFrameRender();
	}

	/**
	 * Puts all the needed sprites into a FlxTypedGroup, and properly recycles them?
	**/
	function generateSpriteShit()
	{
		sprGrp.kill(); // kills group, maybe dont need to do this one so broadly? ehh whatev

		for (frameSorted in ParseAnimate.frameList)
		{
			for (i in frameSorted)
			{
				// instead of making them every frame, regenerate when needed?
				var spr:FlxSymbol = sprGrp.recycle(FlxSymbol); // redo this to recycle from a list later
				spr.frames = frames;
				spr.frame = spr.frames.getByName(i.frameName); // this one is fine
				spr.updateHitbox();

				// move this? wont work here!
				if (FlxG.keys.justPressed.I)
				{
					trace(i.frameName);
					trace(i.depthString);
					// trace("random lol: " + i.randomLol);
				}

				// cuz its in group, gets a lil fuckie when animated, need to go thru and properly reset each thing for shit like matrix!
				// merely resets the matrix to normal ass one!
				spr.transformMatrix.identity();
				spr.setPosition();

				/* for (swagMatrix in i.matrixArray)
					{
						var alsoSwag:FlxMatrix = new FlxMatrix(swagMatrix[0], swagMatrix[1], swagMatrix[4], swagMatrix[5], swagMatrix[12], swagMatrix[13]);
						spr.matrixExposed = true;
						spr.transformMatrix.concat(alsoSwag);
				}*/

				// i.fullMatrix.concat

				spr.matrixExposed = true;

				// trace(i.fullMatrix);

				if (i.fullMatrix.a < 0)
				{
					trace('negative?');
					trace(i.fullMatrix);
				}

				spr.transformMatrix.concat(i.fullMatrix);

				if (i.fullMatrix.a < 0)
				{
					trace('negative?');
					trace(i.fullMatrix);
					trace(spr.transformMatrix);
				}

				// trace(spr.transformMatrix);

				spr.origin.set();

				/* for (trpShit in i.trpArray)
					{
						spr.origin.x -= trpShit[0];
						spr.origin.y -= trpShit[1];
					}
				 */
				// spr.alpha = 0.3;

				spr.antialiasing = true;
				sprGrp.add(spr);
				spr.alpha = 0.5;

				/* 	if (i == "0225")
					{
						trace('FUNNY MATRIX!');
						trace(spr._matrix);
						trace("\n\n MATRIX MAP");
						for (m in ParseAnimate.matrixMap.get("0225"))
						{
							trace(m);
						}

						trace('\n\n');
				}*/
			}
		}

		// trace(sprGrp.length);
	}

	// fix render order of ALL layers!
	// seperate frameList into layers
	// go thru animate file to see how it should all be ordered
	// per frame symbol stuff to fix lip sync (in ParseAnimate?)
	// definitely need to dig through Animate.json stuff
	// something with TRP stuff, look through tighterBars (GF scene)
	// redo map stuff incase there's multiple assets
	// ONE CENTRAL THING FOR THIS DUMBASS BULLSHIT
	// sorted framelist put it all in there, then make i actually mean something

	function actualFrameRender()
	{
		sprGrp.draw();
	}

	// notes to self
	// account for different layers
	var playingAnim:Bool = false;
	var frameTickTypeShit:Float = 0;
	var animFrameRate:Int = 24;

	// redo all the matrix animation stuff

	override function update(elapsed:Float)
	{
		super.update(elapsed);

		if (FlxG.keys.justPressed.SPACE)
			playingAnim = !playingAnim;

		if (playingAnim)
		{
			frameTickTypeShit += elapsed;

			// prob fix this framerate thing for higher framerates?
			if (frameTickTypeShit >= 1 / 24)
			{
				changeFrame(1);
				frameTickTypeShit = 0;
				ParseAnimate.resetFrameList();
				ParseAnimate.parseTimeline(jsonAnim.AN.TL, 0, daFrame);

				generateSpriteShit();
			}
		}

		if (FlxG.keys.justPressed.RIGHT)
		{
			changeFrame(1);

			ParseAnimate.resetFrameList();
			ParseAnimate.parseTimeline(jsonAnim.AN.TL, 0, daFrame);

			generateSpriteShit();
		}
		if (FlxG.keys.justPressed.LEFT)
			changeFrame(-1);
	}

	/**
	 * PARSES THE 'spritemap1.png' or whatever into a FlxAtlasFrames!!!
	 */
	public static function fromAnimate(Source:FlxGraphicAsset, Description:String):FlxAtlasFrames
	{
		var graphic:FlxGraphic = FlxG.bitmap.add(Source);
		if (graphic == null)
			return null;

		var frames:FlxAtlasFrames = FlxAtlasFrames.findFrame(graphic);
		if (frames != null)
			return frames;

		if (graphic == null || Description == null)
			return null;

		frames = new FlxAtlasFrames(graphic);

		var data:Spritemap;

		var json:String = Description;

		// trace(json);

		var funnyJson:Dynamic = {};
		if (Assets.exists(json))
			funnyJson = JaySon.parseFile(json);

		// trace(json);

		// data = c

		data = cast funnyJson;

		for (sprite in data.ATLAS.SPRITES)
		{
			// probably nicer way to do this? Oh well
			var swagSprite:Sprite = sprite.SPRITE;

			var rect = FlxRect.get(swagSprite.x, swagSprite.y, swagSprite.w, swagSprite.h);

			var size = new Rectangle(0, 0, rect.width, rect.height);

			var offset = FlxPoint.get(-size.left, -size.top);
			var sourceSize = FlxPoint.get(size.width, size.height);

			frames.addAtlasFrame(rect, sourceSize, offset, swagSprite.name);
		}

		return frames;
	}
}

// handy json function that has some hashlink fix, see the thing in CoolUtils file to see the link / where i stole it from
class JaySon
{
	public static function parseFile(name:String)
	{
		var cont = Assets.getText(name);
		function is(n:Int, what:Int)
			return cont.charCodeAt(n) == what;
		return JsonParser.parse(cont.substr(if (is(0, 65279)) /// looks like a HL target, skipping only first character here:
			1 else if (is(0, 239) && is(1, 187) && is(2, 191)) /// it seems to be Neko or PHP, start from position 3:
			3 else /// all other targets, that prepare the UTF string correctly
			0));
	}
}