Added static typing and enforced it

levels/scripts/map.gd

@@ -1,11 +1,19 @@
 extends TileMap
+class_name CustomTileMap
 
 var astar : AStarGrid2D = AStarGrid2D.new()
+@onready var fog_overlay : ColorRect = $FogOverlay
 
 @onready var tilemap_size : Vector2i = get_used_rect().end - get_used_rect().position
 @onready var map_rect : Rect2i = Rect2i(Vector2i.ZERO, tilemap_size)
 
 func _ready() -> void:
+
+	var tile_size : Vector2i  = get_tileset().tile_size
+	var map_pixel_size : Vector2i = tilemap_size * tile_size
+	fog_overlay.size = map_pixel_size
+
+
 	setup_pathing()
 	pass
 
@@ -31,14 +39,14 @@ func update_passable() -> void:
 	for i in tilemap_size.x:
 		for j in tilemap_size.y:
 			var coords : Vector2i = Vector2i(i, j)
-			var tile_data = get_cell_tile_data(0, coords)
+			var tile_data : TileData = get_cell_tile_data(0, coords)
 			if tile_data and tile_data.get_custom_data('navtype') == 'wall':
 				astar.set_point_solid(coords)
 
 	pass
 
-func is_point_walkable(check_position) -> bool:
-	var map_position = local_to_map(check_position)
+func is_point_walkable(check_position : Vector2i) -> bool:
+	var map_position : Vector2i = local_to_map(check_position)
 	if map_rect.has_point(map_position) and not astar.is_point_solid(map_position):
 		return true