-extends Piece

-class_name Pawn, "res://assets/pieces/california/wP.png"

-

-const promotables := "QNRB"

-

-var just_double_stepped := false

-var just_set := false

-var enpassant: Array = []

-

-var promoteposition := Vector2()

-var promotetake := false

-

-onready var whiteint := 1 if white else -1

-onready var sprites := []

-onready var darken: ColorRect = $"../../Darken"

-onready var previews = $Popup/Previews

-onready var popup: Popup = $Popup

-

-

-func _ready() -> void:

- Globals.pawns.append(self)

- Events.connect("turn_over", self, "_on_turn_over")

- for i in range(4): # add 4 sprites

- var newsprite: TextureButton = load("res://ui/PromotionPreview.tscn").instance()

- newsprite.texture_normal = load(

- "res://assets/pieces/%s/%s%s.png" % [Globals.piece_set, team.to_lower(), promotables[i]]

- )

- newsprite.name = promotables[i]

- newsprite.connect("pressed", self, "_pressed", [newsprite.name])

- previews.add_child(newsprite)

- sprites.append(newsprite)

-

-

-func open_previews() -> void:

- var rect := popup.get_global_rect()

- rect.position = rect_global_position

- popup.popup(rect)

-

-

-func _exit_tree() -> void:

- Globals.pawns.erase(self)

-

-

-func moveto(position: Vector2, instant := false) -> void:

- # check if 2 step

- if !just_double_stepped and !has_moved:

- just_double_stepped = true

- just_set = true

- .moveto(position, instant)

-

-

-func get_moves(_var := false, check_spots_check := true) -> PoolVector2Array:

- var points: PoolVector2Array = [Vector2.UP, Vector2.UP * 2]

- var moves: PoolVector2Array = []

- for i in range(len(points)):

- var point := points[i]

- point *= whiteint

- point = pos_around(point)

- if at_pos(point) == null:

- if (

- (i == 1 and (has_moved or at_pos(pos_around(points[0] * whiteint)) != null))

- or (check_spots_check and checkcheck(point))

- or !is_on_board(point)

- ):

- continue

- moves.append(point)

- moves.append_array(en_passant())

- return moves

-

-

-static func can_promote(position: Vector2) -> bool:

- return position.y >= 7 or position.y <= 0

-

-

-func passant(position: Vector2, instant := false) -> void:

- var to_take = position + Vector2(0, whiteint)

- at_pos(to_take).took(instant)

- enpassant.resize(0)

- moveto(position, instant)

-

-

-func valid_to_passant_take(piece) -> bool:

- return !piece or !Utils.is_pawn(piece) or piece.white != white or !piece.just_double_stepped

-

-

-func get_attacks(check_spots_check := true) -> PoolVector2Array:

- var points := [Vector2.UP + Vector2.RIGHT, Vector2.UP + Vector2.LEFT]

- var moves: PoolVector2Array = []

- for i in range(len(points)):

- var point: Vector2 = points[i]

- point *= whiteint

- point = pos_around(point)

- if at_pos(point) == null or at_pos(point).white == white or (check_spots_check and checkcheck(point)):

- continue

- moves.append(point)

- return moves

-

-

-func en_passant(turncheck := true, check_spots_check := true) -> Array: # in passing

- if turncheck and white != Globals.turn:

- return []

- var passants := [pos_around(Vector2.LEFT), pos_around(Vector2.RIGHT)]

- var moves := []

- for i in passants:

- var spot := at_pos(i)

- if (

- !spot # spot doesnt exist

- or spot.white == white # spot is my team

- or !Utils.is_pawn(spot) #spot isnt a pawn

- or !spot.just_double_stepped # spot didnt just double step

- or (check_spots_check and checkcheck(i))

- ): # moving there would put me in check

- continue

- var position: Vector2 = i + (Vector2.UP * whiteint)

- if !at_pos(position):

- moves.append(position)

- enpassant.append([position, spot])

- return moves

-

-

-func promote(position: Vector2, type: String) -> void:

- if type == "take":

- at_pos(position).hide() # only hide the visuals

- move(position) # only move the visuals

- promoteposition = position # save the position

- darken.show() # open fx

- yield(tween, "tween_completed") # wait till were done moving to the new position

- open_previews() # open the previews

-

-

-func promote_to(promote_to: int, is_capture: bool, position: Vector2, instant := false):

- if is_capture and at_pos(position):

- at_pos(position).took(instant)

- clear_clicked()

- Globals.grid.make_piece(position, promote_to, white)

- took()

-

-

-func _pressed(promote_to: String) -> void:

- previews.hide()

- darken.hide()

- var is_cap = at_pos(promoteposition) != null

- var mov = Move.new(SanParser.PAWN, [real_position, promoteposition], is_cap)

- mov.promotion = SanParse.from_str(promote_to)

- PacketHandler.send_mov(mov)

-

-

-func _on_turn_over() -> void:

- if just_set:

- just_set = false

- return

- if just_double_stepped:

- just_double_stepped = false