A few more fixes

2d/navigation_astar/character.gd

@@ -1,5 +1,7 @@
 extends Node2D
 
+const PathFindAStar = preload("./pathfind_astar.gd")
+
 enum State { IDLE, FOLLOW }
 
 const MASS = 10.0
@@ -16,14 +18,14 @@ var _click_position := Vector2()
 var _path := PackedVector2Array()
 var _next_point := Vector2()
 
-func _ready():
+func _ready() -> void:
 	_change_state(State.IDLE)
 
 
-func _process(_delta):
+func _process(_delta: float) -> void:
 	if _state != State.FOLLOW:
 		return
-	var arrived_to_next_point = _move_to(_next_point)
+	var arrived_to_next_point := _move_to(_next_point)
 	if arrived_to_next_point:
 		_path.remove_at(0)
 		if _path.is_empty():
@@ -32,7 +34,7 @@ func _process(_delta):
 		_next_point = _path[0]
 
 
-func _unhandled_input(event: InputEvent):
+func _unhandled_input(event: InputEvent) -> void:
 	_click_position = get_global_mouse_position()
 	if _tile_map.is_point_walkable(_click_position):
 		if event.is_action_pressed(&"teleport_to", false, true):
@@ -42,7 +44,7 @@ func _unhandled_input(event: InputEvent):
 			_change_state(State.FOLLOW)
 
 
-func _move_to(local_position: Vector2):
+func _move_to(local_position: Vector2) -> bool:
 	var desired_velocity := (local_position - position).normalized() * speed
 	var steering := desired_velocity - _velocity
 	_velocity += steering / MASS
@@ -51,7 +53,7 @@ func _move_to(local_position: Vector2):
 	return position.distance_to(local_position) < ARRIVE_DISTANCE
 
 
-func _change_state(new_state: State):
+func _change_state(new_state: State) -> void:
 	if new_state == State.IDLE:
 		_tile_map.clear_path()
 	elif new_state == State.FOLLOW:

2d/navigation_astar/pathfind_astar.gd

@@ -1,5 +1,4 @@
 extends TileMap
-class_name PathFindAStar
 
 enum Tile { OBSTACLE, START_POINT, END_POINT }
 
@@ -14,7 +13,7 @@ var _start_point := Vector2i()
 var _end_point := Vector2i()
 var _path := PackedVector2Array()
 
-func _ready():
+func _ready() -> void:
 	_astar.region = get_used_rect()
 	_astar.cell_size = CELL_SIZE
 	_astar.offset = CELL_SIZE * 0.5
@@ -30,13 +29,13 @@ func _ready():
 				_astar.set_point_solid(pos)
 
 
-func _draw():
+func _draw() -> void:
 	if _path.is_empty():
 		return
 
-	var last_point = _path[0]
+	var last_point := _path[0]
 	for index in range(1, len(_path)):
-		var current_point = _path[index]
+		var current_point := _path[index]
 		draw_line(last_point, current_point, DRAW_COLOR, BASE_LINE_WIDTH, true)
 		draw_circle(current_point, BASE_LINE_WIDTH * 2.0, DRAW_COLOR)
 		last_point = current_point