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Chess: Fix check detection not working

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This commit is contained in:
Wuzzy 2023-07-12 08:29:26 +02:00
parent 4b7da45045
commit d23c3d0ce2
1 changed files with 26 additions and 15 deletions
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41
src/chess.lua
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@ -1526,6 +1526,24 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, player)
end
end
local board = board_to_table(inv)
board[to_index] = board[from_index]
board[from_index] = ""
local black_king_idx, white_king_idx = locate_kings(board)
if not black_king_idx or not white_king_idx then
return
end
local blackAttacked = attacked("black", black_king_idx, board)
local whiteAttacked = attacked("white", white_king_idx, board)
if blackAttacked and thisMove == "black" then
return
end
if whiteAttacked and thisMove == "white" then
return
end
if not promotion then
realchess.update_state(meta, from_index, to_index, thisMove)
end
@ -1771,16 +1789,17 @@ function realchess.move_piece(meta, pieceFrom, from_list, from_index, to_list, t
end
end
function realchess.update_state(meta, from_index, to_index, thisMove, pieceFromOverride)
function realchess.update_state(meta, from_index, to_index, thisMove, promotionOverride)
local inv = meta:get_inventory()
local board = board_to_table(inv)
local pieceTo = board[to_index]
local pieceFrom = pieceFromOverride or board[from_index]
local pieceFrom = promotionOverride or board[from_index]
local pieceTo_s = pieceTo ~= "" and pieceTo:match(":(%w+_%w+)") or ""
board[to_index] = board[from_index]
board[from_index] = ""
if not promotionOverride then
board[to_index] = board[from_index]
board[from_index] = ""
end
local black_king_idx, white_king_idx = locate_kings(board)
if not black_king_idx or not white_king_idx then
@ -1790,21 +1809,13 @@ function realchess.update_state(meta, from_index, to_index, thisMove, pieceFromO
local whiteAttacked = attacked("white", white_king_idx, board)
if blackAttacked then
if thisMove == "black" then
return
else
meta:set_string("blackAttacked", "true")
end
meta:set_string("blackAttacked", "true")
else
meta:set_string("blackAttacked", "")
end
if whiteAttacked then
if thisMove == "white" then
return
else
meta:set_string("whiteAttacked", "true")
end
meta:set_string("whiteAttacked", "true")
else
meta:set_string("whiteAttacked", "")
end