Chess: Refactor figurine string
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Wuzzy
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78106fe9e4
commit
820f4238a0
@ -2,7 +2,6 @@ local realchess = {}
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local S = minetest.get_translator("xdecor")
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local FS = function(...) return minetest.formspec_escape(S(...)) end
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local ALPHA_OPAQUE = minetest.features.use_texture_alpha_string_modes and "opaque" or false
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local MOVES_LIST_SYMBOL_EMPTY = 69
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local AI_NAME = S("Dumb AI")
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screwdriver = screwdriver or {}
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@ -759,17 +758,36 @@ local function has_king_safe_move(theoretical_moves, board, player)
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end
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end
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-- Base names of all Chess pieces (with color)
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local pieces_basenames = {
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"pawn_white",
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"rook_white",
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"knight_white",
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"bishop_white",
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"queen_white",
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"king_white",
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"pawn_black",
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"rook_black",
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"knight_black",
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"bishop_black",
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"queen_black",
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"king_black",
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}
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local pieces = {
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"realchess:rook_black_1",
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"realchess:knight_black_1",
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"realchess:bishop_black_1",
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"realchess:queen_black",
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-- Initial positions of the pieces on the chessboard.
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-- The pieces are specified as item names.
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-- It starts a8, continues with b8, c8, etc. then continues with a7, b7, etc. etc.
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local starting_grid = {
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-- file '8'
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"realchess:rook_black_1", -- a8
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"realchess:knight_black_1", -- b8
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"realchess:bishop_black_1", -- c8
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"realchess:queen_black", -- ...
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"realchess:king_black",
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"realchess:bishop_black_2",
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"realchess:knight_black_2",
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"realchess:rook_black_2",
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-- file '7'
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"realchess:pawn_black_1",
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"realchess:pawn_black_2",
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"realchess:pawn_black_3",
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@ -778,8 +796,10 @@ local pieces = {
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"realchess:pawn_black_6",
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"realchess:pawn_black_7",
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"realchess:pawn_black_8",
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-- files '6' thru '3'
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'','','','','','','','','','','','','','','','',
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'','','','','','','','','','','','','','','','',
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-- file '2'
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"realchess:pawn_white_1",
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"realchess:pawn_white_2",
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"realchess:pawn_white_3",
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@ -788,6 +808,7 @@ local pieces = {
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"realchess:pawn_white_6",
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"realchess:pawn_white_7",
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"realchess:pawn_white_8",
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-- file '1'
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"realchess:rook_white_1",
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"realchess:knight_white_1",
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"realchess:bishop_white_1",
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@ -798,15 +819,23 @@ local pieces = {
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"realchess:rook_white_2"
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}
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local pieces_str, x = "", 0
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for i = 1, #pieces do
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local p = pieces[i]:match(":(%w+_%w+)")
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if pieces[i]:find(":(%w+)_(%w+)") and not pieces_str:find(p) then
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pieces_str = pieces_str .. x .. "=chess_figurine_" .. p .. ".png,"
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x = x + 1
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end
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-- Figurine image IDs and file names for the chess notation table.
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-- Note: "figurine" refers to the chess notation icon, NOT the chess piece for playing.
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local figurines_str = "", 0
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local figurines_str_cnt = 0
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local MOVES_LIST_SYMBOL_EMPTY = figurines_str_cnt
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figurines_str = figurines_str .. MOVES_LIST_SYMBOL_EMPTY .. "=mailbox_blank16.png"
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for i = 1, #pieces_basenames do
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figurines_str_cnt = figurines_str_cnt + 1
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local p = pieces_basenames[i]
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figurines_str = figurines_str .. "," .. figurines_str_cnt .. "=chess_figurine_" .. p .. ".png"
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end
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pieces_str = pieces_str .. MOVES_LIST_SYMBOL_EMPTY .. "=mailbox_blank16.png"
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local function get_figurine_id(piece_itemname)
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local piece_s = piece_itemname:match(":(%w+_%w+)")
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return figurines_str:match("(%d+)=chess_figurine_" .. piece_s)
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end
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local fs_init = [[
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formspec_version[2]
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@ -836,9 +865,9 @@ local fs = [[
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tableoptions[background=#00000000;highlight=#00000000;border=false]
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]]
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-- move; white piece; white halfmove; black piece; black halfmove
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.."tablecolumns[text;image," .. pieces_str .. ";text;image," .. pieces_str .. ";text]"
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.."tablecolumns[text;image," .. figurines_str .. ";text;image," .. figurines_str .. ";text]"
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local function add_move_to_moves_list(meta, pieceFrom, pieceTo, pieceTo_s, from_idx, to_idx, special)
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local function add_move_to_moves_list(meta, pieceFrom, pieceTo, from_idx, to_idx, special)
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local moves_raw = meta:get_string("moves_raw")
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if moves_raw ~= "" then
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moves_raw = moves_raw .. ";"
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@ -846,12 +875,12 @@ local function add_move_to_moves_list(meta, pieceFrom, pieceTo, pieceTo_s, from_
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if not special then
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special = ""
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end
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moves_raw = moves_raw .. pieceFrom .. "," .. pieceTo .. "," .. pieceTo_s .. "," .. from_idx .. "," .. to_idx .. "," .. special
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moves_raw = moves_raw .. pieceFrom .. "," .. pieceTo .. "," .. from_idx .. "," .. to_idx .. "," .. special
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meta:set_string("moves_raw", moves_raw)
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end
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local function add_special_to_moves_list(meta, special)
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add_move_to_moves_list(meta, "", "", "", "", "", special)
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add_move_to_moves_list(meta, "", "", "", "", special)
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end
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-- Create the full formspec string for the sequence of moves.
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@ -869,10 +898,9 @@ local function get_moves_formstring(meta)
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local move_split = string.split(moves_split[m], ",", true)
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local pieceFrom = move_split[1]
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local pieceTo = move_split[2]
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local pieceTo_s = move_split[3]
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local from_idx = tonumber(move_split[4])
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local to_idx = tonumber(move_split[5])
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local special = move_split[6]
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local from_idx = tonumber(move_split[3])
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local to_idx = tonumber(move_split[4])
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local special = move_split[5]
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-- true if White plays, false if Black plays
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local curPlayerIsWhite = m % 2 == 1
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@ -894,15 +922,14 @@ local function get_moves_formstring(meta)
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else
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local from_x, from_y = index_to_xy(from_idx)
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local to_x, to_y = index_to_xy(to_idx)
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local pieceFrom_s = pieceFrom:match(":(%w+_%w+)")
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local pieceFrom_si_id
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-- Show no piece icon for pawn
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if pieceFrom:sub(11,14) == "pawn" then
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pieceFrom_si_id = MOVES_LIST_SYMBOL_EMPTY
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else
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pieceFrom_si_id = pieces_str:match("(%d+)=chess_figurine_" .. pieceFrom_s)
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pieceFrom_si_id = get_figurine_id(pieceFrom)
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end
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local pieceTo_si_id = pieceTo_s ~= "" and pieces_str:match("(%d+)=chess_figurine_" .. pieceTo_s) or ""
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local pieceTo_si_id = pieceTo ~= "" and get_figurine_id(pieceTo)
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local coordFrom = index_to_notation(from_idx)
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local coordTo = index_to_notation(to_idx)
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@ -962,9 +989,10 @@ local function get_moves_formstring(meta)
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return moves_out, move_no
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end
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local function add_to_eaten_list(meta, pieceTo, pieceTo_s)
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local function add_to_eaten_list(meta, pieceTo)
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local eaten = meta:get_string("eaten")
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if pieceTo ~= "" then
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local pieceTo_s = pieceTo:match(":(%w+_%w+)") or ""
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eaten = eaten .. pieceTo_s .. ","
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end
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meta:set_string("eaten", eaten)
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@ -1243,7 +1271,7 @@ function realchess.init(pos)
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meta:set_string("eaten", "")
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meta:set_string("mode", "")
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inv:set_list("board", pieces)
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inv:set_list("board", starting_grid)
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inv:set_size("board", 64)
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-- Clear legacy metadata
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@ -1828,7 +1856,6 @@ local function ai_move(inv, meta)
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local pieceFrom = inv:get_stack("board", choice_from):get_name()
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local pieceTo = inv:get_stack("board", choice_to):get_name()
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local pieceTo_s = pieceTo ~= "" and pieceTo:match(":(%w+_%w+)") or ""
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local board = board_to_table(inv)
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local black_king_idx, white_king_idx = locate_kings(board)
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@ -1902,8 +1929,8 @@ local function ai_move(inv, meta)
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meta:set_string("lastMove", aiColor)
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meta:set_int("lastMoveTime", minetest.get_gametime())
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add_move_to_moves_list(meta, pieceFrom, pieceTo, pieceTo_s, choice_from, choice_to)
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add_to_eaten_list(meta, pieceTo, pieceTo_s)
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add_move_to_moves_list(meta, pieceFrom, pieceTo, choice_from, choice_to)
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add_to_eaten_list(meta, pieceTo)
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update_game_result(meta)
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@ -2121,7 +2148,6 @@ function realchess.update_state(meta, from_index, to_index, thisMove, promotionO
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local board = board_to_table(inv)
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local pieceTo = board[to_index]
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local pieceFrom = promotionOverride or board[from_index]
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local pieceTo_s = pieceTo ~= "" and pieceTo:match(":(%w+_%w+)") or ""
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if not promotionOverride then
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board[to_index] = board[from_index]
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@ -2151,9 +2177,8 @@ function realchess.update_state(meta, from_index, to_index, thisMove, promotionO
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meta:set_string("lastMove", lastMove)
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meta:set_int("lastMoveTime", minetest.get_gametime())
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local pieceTo_s = pieceTo ~= "" and pieceTo:match(":(%w+_%w+)") or ""
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add_move_to_moves_list(meta, pieceFrom, pieceTo, pieceTo_s, from_index, to_index)
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add_to_eaten_list(meta, pieceTo, pieceTo_s)
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add_move_to_moves_list(meta, pieceFrom, pieceTo, from_index, to_index)
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add_to_eaten_list(meta, pieceTo)
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end
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function realchess.promote_pawn(meta, color, promoteTo)
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