chunk displaying definitely doesn't work yet

scripts/ChunkHandler.gd

@@ -0,0 +1,43 @@
+class_name ChunkHandler
+extends Node2D
+
+# one tilemap is one chunk
+# map consists of many chunks
+# chunks are loaded to view when needed
+# chunks are deleted after they are no longer needed (in view)
+
+# This is done to speed up game loading and avoiding setting one large tilemap in one go
+# which is extremely slow in godot 4.0, 4096x4096 takes minutes to fill with set_cell() commands
+
+var chunks:Dictionary = {}
+var unused_chunks:Dictionary = {}
+
+func _ready():
+	#thread = Thread.new()
+	pass
+
+#var map_tiles:Array[Array] = [[]]
+#
+#func start_handler() -> void:
+#	# Initialize the map tile array with enough chunks to cover the whole map	
+#	map_tiles.resize(Globals.map_size/Globals.CHUNK_SIZE)	
+#	for y in map_tiles.size():
+#		map_tiles[y].resize(Globals.map_size/Globals.CHUNK_SIZE)
+#		for x in map_tiles.size():
+#			map_tiles[y][x] = chunk.instantiate()
+	
+func add_chunk(x:int, y:int):
+	var chunk = Chunk.new(x,y)
+	self.add_child(chunk)
+	
+	chunk.generate_chunk()
+	chunk.set_position(Vector2(x*Globals.CHUNK_SIZE,y*Globals.CHUNK_SIZE))
+	chunk.set_visible(true)
+	
+	
+		
+	print("nodes in children: ", self.get_children()[0].get_used_cells(Globals.LAYER_TERRAIN).size())
+	print("chunk visible in tree? : ", self.get_children()[0].is_visible_in_tree())
+	print("handler visible? ", self.is_visible_in_tree())	
+	
+	#map_tiles[chunk_pos.y][chunk_pos.x].clear()