Add type hints to sample project scripts

SampleProject/Game.tscn

@@ -96,7 +96,7 @@ func _input(event: InputEvent) -> void:
 				top_draw.queue_redraw()
 
 # Assigns the initial offset when the map is opened. It centers on the player position.
-func update_offset():
+func update_offset() -> void:
 	offset = MetSys.get_current_flat_coords() - SIZE / 2
 	# Player position node needs to be moved accordingly.
 	player_location.offset = -Vector2(offset) * MetSys.CELL_SIZE
@@ -105,7 +105,7 @@ func update_offset():
 	# Update all cells of MapView to reflect the current state.
 	map_view.update_all()
 
-func reset_starting_coords():
+func reset_starting_coords() -> void:
 	# Starting position for the delta vector.
 	var coords := MetSys.get_current_flat_coords()
 	starting_coords = Vector2i(coords.x, coords.y)
@@ -126,7 +126,7 @@ func _notification(what: int) -> void:
 	if what == NOTIFICATION_VISIBILITY_CHANGED:
 		update()
 
-func update():
+func update() -> void:
 	# Only update when visible.
 	if is_visible_in_tree():
 		# Show the percentage.

SampleProject/Maps/DiceRoom.tscn

@@ -53,7 +53,7 @@ func _on_body_entered(body: Node2D) -> void:
 	%Gate.enabled = false
 
 # The thread method for generating maps. The algorithm is simple: pick random cell and direction and make an adjacent cell if it doesn't exist.
-func generate_map():
+func generate_map() -> void:
 	# Gets rid of errors. This method is thread-safe, trust me.
 	Thread.set_thread_safety_checks_enabled(false)
 	# The grid of generated cells. The key is cell coordinates relative to the first generated cell, the value is a bitmask of exits.

SampleProject/Maps/Junction.tscn

@@ -12,7 +12,7 @@ var exits: int
 var has_collectible: bool
 
 # Remove the walls and collectible, based on the config values.
-func apply_config():
+func apply_config() -> void:
 	for i in 4:
 		%TileMap.get_child(i + 2).enabled = not bool(exits & 1 << i)
 

SampleProject/Maps/LeftStaircase.tscn

@@ -12,7 +12,7 @@ extends Node
 # Gate layer index.
 @export var layer: int
 
-func open():
+func open() -> void:
 	# Disable the Gate layer.
 	%Gate.enabled = false
 "

SampleProject/Objects/CollectionGridItem.tscn

@@ -6,7 +6,7 @@ script/source = "extends TextureRect
 # ID of the tracked object.
 @export var id: String
 
-func update_collectible():
+func update_collectible() -> void:
 	# Become visible if the tracked object was stored (collected).
 	self_modulate.a = float(MetSys.is_object_id_stored(id))
 "

SampleProject/Objects/Elevator.tscn

@@ -60,7 +60,7 @@ func _physics_process(delta: float) -> void:
 		$Label.hide()
 
 # Called after being transported to the target room.
-func enter():
+func enter() -> void:
 	# Set initial position of the elevator.
 	if up:
 		position.y = -64

SampleProject/Objects/MiniPortal.tscn

@@ -18,7 +18,7 @@ func _on_body_entered(body: Node2D) -> void:
 		Game.get_singleton().load_room(target_map)
 
 # Needs to be static, because the old portal disappears before the new scene is loaded.
-static func move_to_portal():
+static func move_to_portal() -> void:
 	var map := Game.get_singleton().map
 	# Get the portal node.
 	var portal: Node2D = map.get_node(^\"MiniPortal\")

SampleProject/Objects/Pipe.tscn

@@ -20,7 +20,7 @@ func _ready() -> void:
 	add_point(current_point)
 	set_process(false)
 # Manually progresses the water (used to initialize pipes).
-func flow(delta: float):
+func flow(delta: float) -> void:
 	_process(delta  / FLOW_SPEED)
 
 func _process(delta: float) -> void:

SampleProject/Scripts/CustomElements.gd

@@ -8,7 +8,7 @@ func _init() -> void:
 	# Some text that displays on the map.
 	register_element("label", draw_label)
 
-func draw_elevator(canvas_item: RID, coords: Vector3i, pos: Vector2, size: Vector2, data: String):
+func draw_elevator(canvas_item: RID, coords: Vector3i, pos: Vector2, size: Vector2, data: String) -> void:
 	# For elevator to display, both top and bottom cell must be discovered.
 	if not MetSys.is_cell_discovered(coords + Vector3i(0, -1, 0)) and not MetSys.is_cell_discovered(coords + Vector3i(0, size.y, 0)):
 		return
@@ -19,7 +19,7 @@ func draw_elevator(canvas_item: RID, coords: Vector3i, pos: Vector2, size: Vecto
 		pos + Vector2(MetSys.CELL_SIZE.x * 0.5 - elevator_texture.get_width() * 0.5, 0),
 		Vector2(elevator_texture.get_width(), size.y)), true, MetSys.settings.theme.default_border_color)
 
-func draw_label(canvas_item: RID, coords: Vector3i, pos: Vector2, size: Vector2, data: String):
+func draw_label(canvas_item: RID, coords: Vector3i, pos: Vector2, size: Vector2, data: String) -> void:
 	# The label is only visible if it's cell is discovered.
 	if not MetSys.is_cell_discovered(coords):
 		return

SampleProject/Scripts/Game.gd

@@ -75,7 +75,7 @@ static func get_singleton() -> Game:
 	return (Game as Script).get_meta(&"singleton") as Game
 
 # Save game using MetSys SaveManager.
-func save_game():
+func save_game() -> void:
 	var save_manager := SaveManager.new()
 	save_manager.set_value("collectible_count", collectibles)
 	save_manager.set_value("generated_rooms", generated_rooms)
@@ -84,10 +84,10 @@ func save_game():
 	save_manager.set_value("abilities", player.abilities)
 	save_manager.save_as_text(SAVE_PATH)
 
-func reset_map_starting_coords():
+func reset_map_starting_coords() -> void:
 	$UI/MapWindow.reset_starting_coords()
 
-func init_room():
+func init_room() -> void:
 	MetSys.get_current_room_instance().adjust_camera_limits($Player/Camera2D)
 	player.on_enter()
 

SampleProject/Scripts/Player.gd

@@ -66,7 +66,7 @@ func _physics_process(delta: float) -> void:
 	prev_on_floor = is_on_floor()
 	move_and_slide()
 
-	var new_animation = &"Idle"
+	var new_animation := &"Idle"
 	if velocity.y < 0:
 		new_animation = &"Jump"
 	elif velocity.y >= 0 and not is_on_floor():
@@ -83,11 +83,11 @@ func _physics_process(delta: float) -> void:
 	elif velocity.x < -1:
 		$Sprite2D.flip_h = true
 
-func kill():
+func kill() -> void:
 	# Player dies, reset the position to the entrance.
 	position = reset_position
 	Game.get_singleton().load_room(MetSys.get_current_room_id())
 
-func on_enter():
+func on_enter() -> void:
 	# Position for kill system. Assigned when entering new room (see Game.gd).
 	reset_position = position