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extends Level
const _button_comp = preload("res://components/button.tscn")
const dim = 4
var parts = []
onready var order = range(dim*dim)
func _ready():
order.shuffle()
for i in range(dim*dim-1):
var button = _button_comp.instance()
var label = Label.new()
label.name = "CustomLabel"
label.text = str(i+1)
label.rect_size = Vector2(32,32)
label.rect_position = Vector2(-16,-16)
label.align = HALIGN_CENTER
label.valign = VALIGN_CENTER
button.fixed_width = 30
button.add_child(label)
button.connect("on_click", self, "on_anybutton_click", [i+1])
parts.append(button)
$Pieces.add_child(button)
_render_state()
func _position_from_index(idx):
return Vector2(idx % dim, int(idx / dim))
func on_anybutton_click(piece_name):
var pos = _button_position(piece_name)
_do_push(pos, _hole_position())
func _render_state():
for i in range(dim*dim):
if order[i] == 0:
continue
var piece = parts[order[i]-1]
piece.position = _position_from_index(i) * 80
func _check_state():
for i in range(dim*dim):
if order[i] != i:
return
finish_level()
func _hole_position():
return _button_position(0)
func _button_position(piece_name):
for i in range(dim*dim):
if order[i] == piece_name:
return i
push_error("No "+str(piece_name)+" present")
assert(false)
func _do_push(from, to):
if to == from:
return
var same_row = int(to / dim) == int(from/dim)
var same_col = int(to % dim) == int(from % dim)
var dir = sign(from - to)
if not (same_row or same_col):
print("Invalid move")
return
print("Performing push from ", from, " to ", to, " in direction ", dir)
var i = to
while i != from:
var next_pos
if same_row:
next_pos = i + 1 * dir
else:
next_pos = i + dim * dir
order[i] = order[next_pos]
i = next_pos
order[from] = 0
_render_state()
_check_state()
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