smks · September 28, 2020 10:36 · Sep 28, 2020
diff --git a/Level.gd b/Level.gd
@@ -0,0 +1,83 @@
+extends Node2D
+
+var Room = preload("res://src/Room.tscn")
+
+enum DIRECTIONS {
+	UP,
+	RIGHT,
+	LEFT,
+	DOWN
+}
+
+const MIN_ROOMS_TO_CREATE = 15
+const MAX_ROOMS_TO_CREATE = 30
+const ROOM_SIZE = Vector2(1280, 720)
+
+var rooms: Array
+var rooms_total_to_create: int
+var last_room_direction
+
+func _ready():
+	generate()
+
+func generate(_theme: String = ''):
+	rooms_total_to_create = rand_range(MIN_ROOMS_TO_CREATE, MAX_ROOMS_TO_CREATE)
+	print('creating ' + str(rooms_total_to_create) + ' rooms')
+	create_first_room()
+	create_middle_rooms()
+	create_last_room()
+
+func create_first_room():
+	var room = Room.instance()
+	add_child(room)
+	rooms.push_back(room)
+
+func create_middle_rooms():
+	var remaining_rooms = rooms_total_to_create - 2
+	for room_index in remaining_rooms:
+		var position = get_next_room_position()
+		var room = Room.instance()
+		room.position = position
+		add_child(room)
+		rooms.push_back(room)
+
+func create_last_room():
+	pass
+
+func get_random_direction():
+	var directions_available = []
+
+	if last_room_direction == DIRECTIONS.UP:
+		directions_available = [DIRECTIONS.UP, DIRECTIONS.RIGHT, DIRECTIONS.LEFT]
+
+	elif last_room_direction == DIRECTIONS.DOWN:
+		directions_available = [DIRECTIONS.DOWN, DIRECTIONS.RIGHT, DIRECTIONS.LEFT]
+
+	elif last_room_direction == DIRECTIONS.LEFT:
+		directions_available = [DIRECTIONS.UP, DIRECTIONS.LEFT, DIRECTIONS.DOWN]
+
+	elif last_room_direction == DIRECTIONS.RIGHT:
+		directions_available = [DIRECTIONS.UP, DIRECTIONS.RIGHT, DIRECTIONS.DOWN]
+
+	else:
+		directions_available = DIRECTIONS.values()
+
+	return directions_available[randi() % directions_available.size()]
+
+func get_next_room_position():
+	var next_position: Vector2
+	var direction:int = get_random_direction()
+	var last_room_added = rooms[-1]
+	var last_room_position = last_room_added.position
+
+	if direction == DIRECTIONS.UP:
+		next_position = last_room_position - Vector2(0, -ROOM_SIZE.y)
+	elif direction == DIRECTIONS.DOWN:
+		next_position = last_room_position - Vector2(0, ROOM_SIZE.y)
+	elif direction == DIRECTIONS.LEFT:
+		next_position = last_room_position - Vector2(-ROOM_SIZE.x, 0)
+	elif direction == DIRECTIONS.RIGHT:
+		next_position = last_room_position - Vector2(ROOM_SIZE.x, 0)
+
+	return next_position
+