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Chess: Prevent castling over attacked squares

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Wuzzy 2023-07-11 11:53:32 +02:00
parent 578dea473a
commit ed3bd0e71c
1 changed files with 22 additions and 4 deletions
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26
src/chess.lua
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@ -1258,6 +1258,8 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
local dx = from_x - to_x local dx = from_x - to_x
local dy = from_y - to_y local dy = from_y - to_y
local check = true local check = true
local inv = meta:get_inventory()
local board = board_to_table(inv)
if thisMove == "white" then if thisMove == "white" then
if from_y == 7 and to_y == 7 then if from_y == 7 and to_y == 7 then
@ -1271,7 +1273,11 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
return 0 return 0
end end
end end
for i = from_index, from_index - 2, -1 do
if attacked("white", i, board) then
return 0
end
end
inv:set_stack(from_list, 57, "") inv:set_stack(from_list, 57, "")
inv:set_stack(from_list, 60, "realchess:rook_white_1") inv:set_stack(from_list, 60, "realchess:rook_white_1")
check = false check = false
@ -1286,7 +1292,11 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
return 0 return 0
end end
end end
for i = from_index, from_index + 2, 1 do
if attacked("white", i, board) then
return 0
end
end
inv:set_stack(from_list, 62, "realchess:rook_white_2") inv:set_stack(from_list, 62, "realchess:rook_white_2")
inv:set_stack(from_list, 64, "") inv:set_stack(from_list, 64, "")
check = false check = false
@ -1305,7 +1315,11 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
return 0 return 0
end end
end end
for i = from_index, from_index - 2, -1 do
if attacked("black", i, board) then
return 0
end
end
inv:set_stack(from_list, 1, "") inv:set_stack(from_list, 1, "")
inv:set_stack(from_list, 4, "realchess:rook_black_1") inv:set_stack(from_list, 4, "realchess:rook_black_1")
check = false check = false
@ -1320,7 +1334,11 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
return 0 return 0
end end
end end
for i = from_index, from_index + 2, 1 do
if attacked("black", i, board) then
return 0
end
end
inv:set_stack(from_list, 6, "realchess:rook_black_2") inv:set_stack(from_list, 6, "realchess:rook_black_2")
inv:set_stack(from_list, 8, "") inv:set_stack(from_list, 8, "")
check = false check = false