early structure for character editor atlas anim display

source/funkin/editors/character/CharacterAnimsWindow.hx

@@ -81,8 +81,10 @@ class CharacterAnimsWindow extends UIButtonList<CharacterAnimButton> {
 		displayAnimsFramesList.set(name, {frame: anim.frames.getDefault([0])[0], scale: 104/Math.max(animBounds.width, animBounds.height), animBounds: animBounds});
 	}
 
-	public function removeAnimDisplay(name:String)
+	public function removeAnimDisplay(name:String) {
+		
 		displayAnimsFramesList.remove(name);
+	}
 
 	public function deleteAnimation(button:CharacterAnimButton, addToUndo:Bool = true) {
 		FlxG.sound.play(Paths.sound(Flags.DEFAULT_EDITOR_DELETE_SOUND));

source/funkin/editors/character/CharacterGhost.hx

@@ -5,6 +5,7 @@ import openfl.geom.ColorTransform;
 import flixel.animation.FlxAnimation;
 import funkin.game.Character;
 import haxe.xml.Access;
+import animate.internal.RenderTexture;
 
 typedef AtlasState = {
 	var oldAnim:String;
@@ -71,6 +72,42 @@ class CharacterGhost extends Character {
 		offset.set(globalOffset.x * (isPlayer != playerOffsets ? 1 : -1), -globalOffset.y);
 	}
 
+	public function generateRenderTextureForAnim(anim:String):RenderTexture @:privateAccess {
+		if (!isAnimate) return null;
+
+		var wasInvalidFrame:Bool = !colorTransform.__isDefault(false);
+		colorTransform.__identity();
+		
+		var animName = animation.curAnim?.name ?? null;
+		var animFrame = animation.curAnim?.curFrame ?? 0;
+		var animFrameTimer = animation.curAnim?._frameTimer ?? 0;
+
+		var oldRenderTexture:RenderTexture = this._renderTexture;
+		var oldRenderTextureDirty = _renderTextureDirty;
+
+		this._renderTexture = null;
+		this._renderTextureDirty = true;
+
+		animation.play(anim, true, false, 0);
+
+		drawAnimate(FakeCallCamera.instance);
+
+		var renderTex = this._renderTexture;
+
+		this._renderTexture = oldRenderTexture;
+		this._renderTextureDirty = oldRenderTextureDirty;
+
+		if (wasInvalidFrame) {
+			colorTransform.color = 0xFFEF0202;
+		} else {
+			animation.play(animName, true, false, animFrame);
+			if (animation.curAnim != null)
+				animation.curAnim._frameTimer = animFrameTimer;
+		}
+
+		return renderTex;
+	}
+
 	// This gets annoying lmao -lunar
 	// it's gone now <3 -yosh
 }