en passant bug fix; don't check out of bounds

1 files changed, 8 insertions, 6 deletions

diff --git a/Main.gd b/Main.gd
index 059e2d3..2fc0d1d 100644
--- a/Main.gd
+++ b/Main.gd
@@ -233,9 +233,10 @@ func can_chess_move(pattern, coords):
 				if pawn_maybe and pawn_maybe.get_piece() == "pawn" and pawn_maybe == en_passant_pawn and pawn_maybe.get_team() != curr_team:
 					if make_tiles(coords, [-1,1], 1, true, curr_team, {"en_passant_pawn": pawn_maybe}): can_move = true
 			en_passent_se:
-				var pawn_maybe = board[coords[0]+1][coords[1]]
-				if pawn_maybe and pawn_maybe.get_piece() == "pawn" and pawn_maybe == en_passant_pawn and pawn_maybe.get_team() != curr_team:
-					if make_tiles(coords, [1,1], 1, true, curr_team, {"en_passant_pawn": pawn_maybe}): can_move = true
+				if ! coords[0] + 1 > BOARD_WIDTH:
+					var pawn_maybe = board[coords[0]+1][coords[1]]
+					if pawn_maybe and pawn_maybe.get_piece() == "pawn" and pawn_maybe == en_passant_pawn and pawn_maybe.get_team() != curr_team:
+						if make_tiles(coords, [1,1], 1, true, curr_team, {"en_passant_pawn": pawn_maybe}): can_move = true
 
 			move_1_up_pawn:
 				if make_tiles(coords, [0,-1], 1, true, curr_team): can_move = true
@@ -252,9 +253,10 @@ func can_chess_move(pattern, coords):
 				if pawn_maybe and pawn_maybe.get_piece() == "pawn" and pawn_maybe == en_passant_pawn and pawn_maybe.get_team() != curr_team:
 					if make_tiles(coords, [-1,-1], 1, true, curr_team, {"en_passant_pawn": pawn_maybe}): can_move = true
 			en_passent_ne:
-				var pawn_maybe = board[coords[0]+1][coords[1]]
-				if pawn_maybe and pawn_maybe.get_piece() == "pawn" and pawn_maybe == en_passant_pawn and pawn_maybe.get_team() != curr_team:
-					if make_tiles(coords, [1,-1], 1, true, curr_team, {"en_passant_pawn": pawn_maybe}): can_move = true
+				if ! coords[0] + 1 > BOARD_WIDTH:
+					var pawn_maybe = board[coords[0]+1][coords[1]]
+					if pawn_maybe and pawn_maybe.get_piece() == "pawn" and pawn_maybe == en_passant_pawn and pawn_maybe.get_team() != curr_team:
+						if make_tiles(coords, [1,-1], 1, true, curr_team, {"en_passant_pawn": pawn_maybe}): can_move = true
 
 			move_up_inf:
 				if make_tiles(coords, [0,-1], BOARD_HEIGHT, false, curr_team): can_move =true