bendns' repos / chess
online multiplayer chess game (note server currently down)
Diffstat (limited to 'pieces/Pawn.gd')
-rw-r--r--pieces/Pawn.gd58
1 files changed, 58 insertions, 0 deletions
diff --git a/pieces/Pawn.gd b/pieces/Pawn.gd
index 3e7e8d9..a183eb4 100644
--- a/pieces/Pawn.gd
+++ b/pieces/Pawn.gd
@@ -3,6 +3,30 @@ class_name Pawn, "res://assets/california/wP.png"
onready var whiteint = 1 if white else -1
+var twostepfirstmove = false
+var just_set = false
+var enpassant = []
+
+
+func moveto(position, real = true):
+ # check if 2 step
+ if real and !twostepfirstmove and !has_moved:
+ if white and real_position.y - position.y == 2:
+ twostepfirstmove = true
+ just_set = true
+ if !white and position.y - real_position.y == 2:
+ twostepfirstmove = true
+ just_set = true
+ .moveto(position, real)
+
+
+func _on_turn_over():
+ if just_set:
+ just_set = false
+ return
+ if twostepfirstmove:
+ twostepfirstmove = false
+
func get_moves():
var points = [Vector2.UP, Vector2.UP * 2]
@@ -18,9 +42,15 @@ func get_moves():
continue
if is_on_board(point):
moves.append(point)
+ moves.append_array(en_passant())
return moves
+func passant(position):
+ enpassant.clear()
+ moveto(position)
+
+
func get_attacks():
var points = [Vector2.UP + Vector2.RIGHT, Vector2.UP + Vector2.LEFT]
var moves = []
@@ -34,9 +64,37 @@ func get_attacks():
continue
if at_pos(point) != null and at_pos(point).white != white:
moves.append(point)
+ moves.append_array(en_passant("attacks"))
+ return moves
+
+
+func en_passant(type: String = "moves"): # in passing
+ var passants = [pos_around(Vector2.LEFT), pos_around(Vector2.RIGHT)]
+ var moves = []
+ for i in passants:
+ if !is_on_board(i):
+ continue
+ var spot = at_pos(i)
+ if !spot:
+ continue
+ if spot.white == white:
+ continue
+ if !Utils.is_pawn(spot):
+ continue
+ if !spot.twostepfirstmove:
+ continue
+ if check_spots_check and checkcheck(i):
+ continue
+ if type == "moves":
+ var position = i + (Vector2.UP * whiteint)
+ if !at_pos(position):
+ moves.append(position)
+ elif type == "attacks":
+ enpassant.append([i + (Vector2.UP * whiteint), spot])
return moves
func _ready():
+ Events.connect("turn_over", self, "_on_turn_over")
._ready()
shortname = "p" + team