Chess: Add checkmate system
This commit is contained in:
Jean-Patrick Guerrero
parent
9df5d94fcb
commit
5e4704ad2a
457
src/chess.lua
457
src/chess.lua
@ -12,9 +12,85 @@ local function xy_to_index(x, y)
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return x + y * 8 + 1
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end
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local function get_square(a, b)
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return (a * 8) - (8 - b)
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end
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local chat_prefix = minetest.colorize("#FFFF00", "[Chess] ")
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local letters = {'A','B','C','D','E','F','G','H'}
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local rowDirs = {-1, -1, -1, 0, 0, 1, 1, 1}
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local colDirs = {-1, 0, 1, -1, 1, -1, 0, 1}
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local bishopThreats = {true, false, true, false, false, true, false, true}
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local rookThreats = {false, true, false, true, true, false, true, false}
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local queenThreats = {true, true, true, true, true, true, true, true}
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local kingThreats = {true, true, true, true, true, true, true, true}
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local function king_attack(color, idx, inv)
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local threatDetected = false
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local kill = color == "white"
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local pawnThreats = {kill, false, kill, false, false, not kill, false, not kill}
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for dir = 1, 8 do
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if not threatDetected then
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local col, row = index_to_xy(idx)
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col, row = col + 1, row + 1
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for step = 1, 8 do
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row = row + rowDirs[dir]
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col = col + colDirs[dir]
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if row >= 1 and row <= 8 and col >= 1 and col <= 8 then
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local square = get_square(row, col)
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local square_name = inv:get_stack("board", square):get_name()
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local piece, pieceColor = square_name:match(":(%w+)_(%w+)")
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if piece then
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if pieceColor ~= color then
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if piece == "bishop" and bishopThreats[dir] then
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threatDetected = true
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elseif piece == "rook" and rookThreats[dir] then
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threatDetected = true
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elseif piece == "queen" and queenThreats[dir] then
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threatDetected = true
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else
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if step == 1 then
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if piece == "pawn" and pawnThreats[dir] then
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threatDetected = true
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end
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if piece == "king" and kingThreats[dir] then
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threatDetected = true
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end
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end
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end
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end
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break
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end
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end
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end
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end
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end
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return threatDetected
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end
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local function locate_kings(inv)
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local Bidx, Widx
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for i = 1, 64 do
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local piece, color = inv:get_stack("board", i):get_name():match(":(%w+)_(%w+)")
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if piece == "king" then
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if color == "black" then
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Bidx = i
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else
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Widx = i
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end
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end
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end
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return Bidx, Widx
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end
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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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@ -74,18 +150,67 @@ local fs = [[
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]] .. "tablecolumns[image," .. pieces_str ..
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";text;color;text;color;text;image," .. pieces_str .. "]"
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local function get_moves_list(meta, pieceFrom, pieceTo, pieceTo_s, from_x, to_x, from_y, to_y)
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local moves = meta:get_string("moves")
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local pieceFrom_s = pieceFrom:match(":(%w+_%w+)")
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local pieceFrom_si_id = pieces_str:match("(%d+)=" .. pieceFrom_s)
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local pieceTo_si_id = pieceTo_s ~= "" and pieces_str:match("(%d+)=" .. pieceTo_s) or ""
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local coordFrom = letters[from_x + 1] .. math.abs(from_y - 8)
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local coordTo = letters[to_x + 1] .. math.abs(to_y - 8)
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local new_moves = pieceFrom_si_id .. "," ..
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coordFrom .. "," ..
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(pieceTo ~= "" and "#33FF33" or "#FFFFFF") .. ", > ,#FFFFFF," ..
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coordTo .. "," ..
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(pieceTo ~= "" and pieceTo_si_id or "69") .. "," ..
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moves
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meta:set_string("moves", new_moves)
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end
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local function get_eaten_list(meta, pieceTo, pieceTo_s)
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local eaten = meta:get_string("eaten")
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if pieceTo ~= "" then
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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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local eaten_t = string.split(eaten, ",")
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local eaten_img = ""
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local a, b = 0, 0
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for i = 1, #eaten_t do
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local is_white = eaten_t[i]:sub(-5,-1) == "white"
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local X = (is_white and a or b) % 4
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local Y = ((is_white and a or b) % 16 - X) / 4
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if is_white then
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a = a + 1
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else
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b = b + 1
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end
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eaten_img = eaten_img ..
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"image[" .. ((X + (is_white and 11.7 or 8.8)) - (X * 0.45)) .. "," ..
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((Y + 5.56) - (Y * 0.2)) .. ";1,1;" .. eaten_t[i] .. ".png]"
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end
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meta:set_string("eaten_img", eaten_img)
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end
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function realchess.init(pos)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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local inv = meta:get_inventory()
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meta:set_string("formspec", fs)
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meta:set_string("infotext", "Chess Board")
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meta:set_string("playerBlack", "")
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meta:set_string("playerWhite", "")
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meta:set_string("lastMove", "")
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meta:set_string("winner", "")
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meta:set_string("lastMove", "")
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meta:set_int("lastMoveTime", 0)
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meta:set_int("lastMoveTime", 0)
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meta:set_int("castlingBlackL", 1)
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meta:set_int("castlingBlackR", 1)
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meta:set_int("castlingWhiteL", 1)
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@ -103,56 +228,59 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
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return 0
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end
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local playerName = player:get_player_name()
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local meta = minetest.get_meta(pos)
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if meta:get_string("winner") ~= "" then
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return 0
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end
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local inv = meta:get_inventory()
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local pieceFrom = inv:get_stack(from_list, from_index):get_name()
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local pieceTo = inv:get_stack(to_list, to_index):get_name()
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local lastMove = meta:get_string("lastMove")
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local thisMove -- will replace lastMove when move is legal
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local meta = minetest.get_meta(pos)
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local playerName = player:get_player_name()
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local inv = meta:get_inventory()
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local pieceFrom = inv:get_stack(from_list, from_index):get_name()
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local pieceTo = inv:get_stack(to_list, to_index):get_name()
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local lastMove = meta:get_string("lastMove")
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local playerWhite = meta:get_string("playerWhite")
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local playerBlack = meta:get_string("playerBlack")
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local thisMove -- Will replace lastMove when move is legal
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if pieceFrom:find("white") then
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if playerWhite ~= "" and playerWhite ~= playerName then
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minetest.chat_send_player(playerName, chat_prefix .. "Someone else plays white pieces!")
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return 0
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end
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if lastMove ~= "" and lastMove ~= "black" then
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return 0
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end
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if pieceTo:find("white") then
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-- Don't replace pieces of same color
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return 0
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end
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playerWhite = playerName
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thisMove = "white"
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elseif pieceFrom:find("black") then
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if playerBlack ~= "" and playerBlack ~= playerName then
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minetest.chat_send_player(playerName, chat_prefix .. "Someone else plays black pieces!")
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return 0
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end
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if lastMove ~= "" and lastMove ~= "white" then
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return 0
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end
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if pieceTo:find("black") then
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-- Don't replace pieces of same color
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return 0
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end
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playerBlack = playerName
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thisMove = "black"
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end
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-- DETERMINISTIC MOVING
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-- MOVE LOGIC
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local from_x, from_y = index_to_xy(from_index)
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local to_x, to_y = index_to_xy(to_index)
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local to_x, to_y = index_to_xy(to_index)
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-- PAWN
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if pieceFrom:sub(11,14) == "pawn" then
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if thisMove == "white" then
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local pawnWhiteMove = inv:get_stack(from_list, xy_to_index(from_x, from_y - 1)):get_name()
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@ -181,12 +309,14 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
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return 0
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end
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-- if x not changed,
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-- ensure that destination cell is empty
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-- elseif x changed one unit left or right
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-- ensure the pawn is killing opponent piece
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-- else
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-- move is not legal - abort
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--[[
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if x not changed
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ensure that destination cell is empty
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elseif x changed one unit left or right
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ensure the pawn is killing opponent piece
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else
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move is not legal - abort
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]]
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if from_x == to_x then
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if pieceTo ~= "" then
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@ -227,12 +357,14 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
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return 0
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end
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-- if x not changed,
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-- ensure that destination cell is empty
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-- elseif x changed one unit left or right
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-- ensure the pawn is killing opponent piece
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-- else
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-- move is not legal - abort
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--[[
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if x not changed
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ensure that destination cell is empty
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elseif x changed one unit left or right
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ensure the pawn is killing opponent piece
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else
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move is not legal - abort
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]]
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if from_x == to_x then
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if pieceTo ~= "" then
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@ -249,20 +381,21 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
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return 0
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end
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-- ROOK
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elseif pieceFrom:sub(11,14) == "rook" then
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if from_x == to_x then
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-- moving vertically
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-- Moving vertically
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if from_y < to_y then
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-- moving down
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-- ensure that no piece disturbs the way
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-- Moving down
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-- Ensure that no piece disturbs the way
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for i = from_y + 1, to_y - 1 do
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if inv:get_stack(from_list, xy_to_index(from_x, i)):get_name() ~= "" then
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return 0
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end
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end
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else
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-- mocing up
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-- ensure that no piece disturbs the way
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-- Mocing up
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-- Ensure that no piece disturbs the way
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for i = to_y + 1, from_y - 1 do
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if inv:get_stack(from_list, xy_to_index(from_x, i)):get_name() ~= "" then
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return 0
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@ -270,7 +403,7 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
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end
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end
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elseif from_y == to_y then
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-- mocing horizontally
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-- Mocing horizontally
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if from_x < to_x then
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-- mocing right
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-- ensure that no piece disturbs the way
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@ -280,8 +413,8 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
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end
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end
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else
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-- mocing left
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-- ensure that no piece disturbs the way
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-- Mocing left
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-- Ensure that no piece disturbs the way
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for i = to_x + 1, from_x - 1 do
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if inv:get_stack(from_list, xy_to_index(i, from_y)):get_name() ~= "" then
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return 0
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@ -289,7 +422,7 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
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end
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end
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else
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-- attempt to move arbitrarily -> abort
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-- Attempt to move arbitrarily -> abort
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return 0
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end
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@ -301,49 +434,51 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
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end
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end
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-- KNIGHT
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elseif pieceFrom:sub(11,16) == "knight" then
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-- get relative pos
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-- Get relative pos
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local dx = from_x - to_x
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local dy = from_y - to_y
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-- get absolute values
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-- Get absolute values
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if dx < 0 then dx = -dx end
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if dy < 0 then dy = -dy end
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-- sort x and y
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-- Sort x and y
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if dx > dy then dx, dy = dy, dx end
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-- ensure that dx == 1 and dy == 2
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-- Ensure that dx == 1 and dy == 2
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if dx ~= 1 or dy ~= 2 then
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return 0
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end
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-- just ensure that destination cell does not contain friend piece
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-- ^ it was done already thus everything ok
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-- Just ensure that destination cell does not contain friend piece
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-- ^ It was done already thus everything ok
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-- BISHOP
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elseif pieceFrom:sub(11,16) == "bishop" then
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-- get relative pos
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-- Get relative pos
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local dx = from_x - to_x
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local dy = from_y - to_y
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-- get absolute values
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-- Get absolute values
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if dx < 0 then dx = -dx end
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if dy < 0 then dy = -dy end
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-- ensure dx and dy are equal
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-- Ensure dx and dy are equal
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if dx ~= dy then return 0 end
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if from_x < to_x then
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if from_y < to_y then
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-- moving right-down
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-- ensure that no piece disturbs the way
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-- Moving right-down
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-- Ensure that no piece disturbs the way
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for i = 1, dx - 1 do
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if inv:get_stack(from_list, xy_to_index(from_x + i, from_y + i)):get_name() ~= "" then
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return 0
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end
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end
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else
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-- moving right-up
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-- ensure that no piece disturbs the way
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-- Moving right-up
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-- Ensure that no piece disturbs the way
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for i = 1, dx - 1 do
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if inv:get_stack(from_list, xy_to_index(from_x + i, from_y - i)):get_name() ~= "" then
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return 0
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@ -352,15 +487,15 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
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end
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else
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if from_y < to_y then
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-- moving left-down
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-- ensure that no piece disturbs the way
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-- Moving left-down
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-- Ensure that no piece disturbs the way
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for i = 1, dx - 1 do
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if inv:get_stack(from_list, xy_to_index(from_x - i, from_y + i)):get_name() ~= "" then
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return 0
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end
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end
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else
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-- moving left-up
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-- Moving left-up
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-- ensure that no piece disturbs the way
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for i = 1, dx - 1 do
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if inv:get_stack(from_list, xy_to_index(from_x - i, from_y - i)):get_name() ~= "" then
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@ -370,31 +505,32 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
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end
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end
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-- QUEEN
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elseif pieceFrom:sub(11,15) == "queen" then
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local dx = from_x - to_x
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local dy = from_y - to_y
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-- get absolute values
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-- Get absolute values
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if dx < 0 then dx = -dx end
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if dy < 0 then dy = -dy end
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-- ensure valid relative move
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-- Ensure valid relative move
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if dx ~= 0 and dy ~= 0 and dx ~= dy then
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return 0
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end
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if from_x == to_x then
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if from_y < to_y then
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-- goes down
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-- ensure that no piece disturbs the way
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-- Goes down
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-- Ensure that no piece disturbs the way
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for i = 1, dx - 1 do
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if inv:get_stack(from_list, xy_to_index(from_x, from_y + i)):get_name() ~= "" then
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return 0
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end
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end
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else
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-- goes up
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-- ensure that no piece disturbs the way
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-- Goes up
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-- Ensure that no piece disturbs the way
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for i = 1, dx - 1 do
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if inv:get_stack(from_list, xy_to_index(from_x, from_y - i)):get_name() ~= "" then
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return 0
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@ -403,24 +539,24 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
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end
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elseif from_x < to_x then
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if from_y == to_y then
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-- goes right
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-- ensure that no piece disturbs the way
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-- Goes right
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-- Ensure that no piece disturbs the way
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for i = 1, dx - 1 do
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if inv:get_stack(from_list, xy_to_index(from_x + i, from_y)):get_name() ~= "" then
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return 0
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end
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end
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elseif from_y < to_y then
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-- goes right-down
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-- ensure that no piece disturbs the way
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-- Goes right-down
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-- Ensure that no piece disturbs the way
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for i = 1, dx - 1 do
|
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if inv:get_stack(from_list, xy_to_index(from_x + i, from_y + i)):get_name() ~= "" then
|
||||
return 0
|
||||
end
|
||||
end
|
||||
else
|
||||
-- goes right-up
|
||||
-- ensure that no piece disturbs the way
|
||||
-- Goes right-up
|
||||
-- Ensure that no piece disturbs the way
|
||||
for i = 1, dx - 1 do
|
||||
if inv:get_stack(from_list, xy_to_index(from_x + i, from_y - i)):get_name() ~= "" then
|
||||
return 0
|
||||
@ -429,24 +565,24 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
|
||||
end
|
||||
else
|
||||
if from_y == to_y then
|
||||
-- goes left
|
||||
-- ensure that no piece disturbs the way and destination cell does
|
||||
-- Goes left
|
||||
-- Ensure that no piece disturbs the way and destination cell does
|
||||
for i = 1, dx - 1 do
|
||||
if inv:get_stack(from_list, xy_to_index(from_x - i, from_y)):get_name() ~= "" then
|
||||
return 0
|
||||
end
|
||||
end
|
||||
elseif from_y < to_y then
|
||||
-- goes left-down
|
||||
-- ensure that no piece disturbs the way
|
||||
-- Goes left-down
|
||||
-- Ensure that no piece disturbs the way
|
||||
for i = 1, dx - 1 do
|
||||
if inv:get_stack(from_list, xy_to_index(from_x - i, from_y + i)):get_name() ~= "" then
|
||||
return 0
|
||||
end
|
||||
end
|
||||
else
|
||||
-- goes left-up
|
||||
-- ensure that no piece disturbs the way
|
||||
-- Goes left-up
|
||||
-- Ensure that no piece disturbs the way
|
||||
for i = 1, dx - 1 do
|
||||
if inv:get_stack(from_list, xy_to_index(from_x - i, from_y - i)):get_name() ~= "" then
|
||||
return 0
|
||||
@ -455,6 +591,7 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
|
||||
end
|
||||
end
|
||||
|
||||
-- KING
|
||||
elseif pieceFrom:sub(11,14) == "king" then
|
||||
local dx = from_x - to_x
|
||||
local dy = from_y - to_y
|
||||
@ -504,6 +641,7 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
|
||||
return 0
|
||||
end
|
||||
end
|
||||
|
||||
inv:set_stack(from_list, 1, "")
|
||||
inv:set_stack(from_list, 3, "realchess:rook_black_1")
|
||||
check = false
|
||||
@ -518,6 +656,7 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
|
||||
return 0
|
||||
end
|
||||
end
|
||||
|
||||
inv:set_stack(from_list, 6, "realchess:rook_black_2")
|
||||
inv:set_stack(from_list, 8, "")
|
||||
check = false
|
||||
@ -527,98 +666,57 @@ function realchess.move(pos, from_list, from_index, to_list, to_index, _, player
|
||||
end
|
||||
|
||||
if check then
|
||||
if dx < 0 then dx = -dx end
|
||||
if dy < 0 then dy = -dy end
|
||||
if dx > 1 or dy > 1 then return 0 end
|
||||
if dx < 0 then
|
||||
dx = -dx
|
||||
end
|
||||
|
||||
if dy < 0 then
|
||||
dy = -dy
|
||||
end
|
||||
|
||||
if dx > 1 or dy > 1 then
|
||||
return 0
|
||||
end
|
||||
end
|
||||
|
||||
if thisMove == "white" then
|
||||
meta:set_int("castlingWhiteL", 0)
|
||||
meta:set_int("castlingWhiteR", 0)
|
||||
|
||||
local whiteAttacked = king_attack("white", to_index, inv)
|
||||
if whiteAttacked then
|
||||
return 0
|
||||
end
|
||||
|
||||
elseif thisMove == "black" then
|
||||
meta:set_int("castlingBlackL", 0)
|
||||
meta:set_int("castlingBlackR", 0)
|
||||
|
||||
local blackAttacked = king_attack("black", to_index, inv)
|
||||
if blackAttacked then
|
||||
return 0
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
meta:set_string("playerWhite", playerWhite)
|
||||
meta:set_string("playerBlack", playerBlack)
|
||||
lastMove = thisMove
|
||||
|
||||
meta:set_string("lastMove", lastMove)
|
||||
meta:set_int("lastMoveTime", minetest.get_gametime())
|
||||
meta:set_string("playerWhite", playerWhite)
|
||||
meta:set_string("playerBlack", playerBlack)
|
||||
|
||||
if pieceTo:sub(11,14) == "king" then
|
||||
meta:set_string("winner", thisMove)
|
||||
end
|
||||
|
||||
local moves = meta:get_string("moves")
|
||||
local pieceFrom_s = pieceFrom:match(":(%w+_%w+)")
|
||||
local pieceFrom_si_id = pieces_str:match("(%d+)=" .. pieceFrom_s)
|
||||
local pieceTo_s = pieceTo_s ~= "" and pieceTo:match(":(%w+_%w+)") or ""
|
||||
local pieceTo_si_id = pieceTo_s ~= "" and pieces_str:match("(%d+)=" .. pieceTo_s) or ""
|
||||
|
||||
moves = pieceFrom_si_id .. "," ..
|
||||
letters[from_x + 1] .. (from_y + 1) .. "," ..
|
||||
(pieceTo ~= "" and "#33FF33" or "#FFFFFF") .. ", > ,#FFFFFF," ..
|
||||
letters[to_x + 1] .. (to_y + 1) .. "," ..
|
||||
(pieceTo ~= "" and pieceTo_si_id or "69") .. "," ..
|
||||
moves
|
||||
|
||||
meta:set_string("moves", moves)
|
||||
|
||||
local eaten = meta:get_string("eaten")
|
||||
if pieceTo ~= "" then
|
||||
eaten = eaten .. pieceTo_s .. ","
|
||||
end
|
||||
|
||||
meta:set_string("eaten", eaten)
|
||||
|
||||
local eaten_t = string.split(eaten, ",")
|
||||
local eaten_img = ""
|
||||
|
||||
local a, b = 0, 0
|
||||
for i = 1, #eaten_t do
|
||||
local is_white = eaten_t[i]:sub(-5,-1) == "white"
|
||||
local X = (is_white and a or b) % 4
|
||||
local Y = ((is_white and a or b) % 16 - X) / 4
|
||||
|
||||
if is_white then
|
||||
a = a + 1
|
||||
else
|
||||
b = b + 1
|
||||
end
|
||||
|
||||
eaten_img = eaten_img ..
|
||||
"image[" .. ((X + (is_white and 11.7 or 8.8)) - (X * 0.45)) .. "," ..
|
||||
((Y + 5.56) - (Y * 0.2)) .. ";1,1;" .. eaten_t[i] .. ".png]"
|
||||
end
|
||||
|
||||
local black_win = lastMove == "black" and pieceTo:sub(11,14) == "king"
|
||||
local white_win = lastMove == "white" and pieceTo:sub(11,14) == "king"
|
||||
|
||||
local formspec = fs ..
|
||||
"label[2,0.3;" .. (black_win and
|
||||
minetest.colorize("#00FF00", playerBlack .. " has win") or
|
||||
minetest.colorize("#000001",
|
||||
(lastMove == "white" and playerBlack ~= "" and not white_win) and
|
||||
playerBlack .. "..." or playerBlack)) .. "]" ..
|
||||
"label[2,9.15;" .. (white_win and
|
||||
minetest.colorize("#00FF00", playerWhite .. " has win") or
|
||||
minetest.colorize("#000001",
|
||||
(lastMove == "black" and playerWhite ~= "" and not black_win) and
|
||||
playerWhite .. "..." or playerWhite)) .. "]" ..
|
||||
"table[8.9,1.05;5.07,3.75;moves;" .. moves:sub(1,-2) .. ";1]" ..
|
||||
eaten_img
|
||||
|
||||
meta:set_string("formspec", formspec)
|
||||
local pieceTo_s = pieceTo ~= "" and pieceTo:match(":(%w+_%w+)") or ""
|
||||
get_moves_list(meta, pieceFrom, pieceTo, pieceTo_s, from_x, to_x, from_y, to_y)
|
||||
get_eaten_list(meta, pieceTo, pieceTo_s)
|
||||
|
||||
return 1
|
||||
end
|
||||
|
||||
local function timeout_format(timeout_limit)
|
||||
local time_remaining = timeout_limit - minetest.get_gametime()
|
||||
local minutes = math.floor(time_remaining / 60)
|
||||
local seconds = time_remaining % 60
|
||||
local minutes = math.floor(time_remaining / 60)
|
||||
local seconds = time_remaining % 60
|
||||
|
||||
if minutes == 0 then
|
||||
return seconds .. " sec."
|
||||
@ -628,29 +726,30 @@ local function timeout_format(timeout_limit)
|
||||
end
|
||||
|
||||
function realchess.fields(pos, _, fields, sender)
|
||||
local playerName = sender:get_player_name()
|
||||
local meta = minetest.get_meta(pos)
|
||||
local playerName = sender:get_player_name()
|
||||
local meta = minetest.get_meta(pos)
|
||||
local timeout_limit = meta:get_int("lastMoveTime") + 300
|
||||
local playerWhite = meta:get_string("playerWhite")
|
||||
local playerBlack = meta:get_string("playerBlack")
|
||||
local lastMoveTime = meta:get_int("lastMoveTime")
|
||||
local playerWhite = meta:get_string("playerWhite")
|
||||
local playerBlack = meta:get_string("playerBlack")
|
||||
local lastMoveTime = meta:get_int("lastMoveTime")
|
||||
if fields.quit then return end
|
||||
|
||||
-- timeout is 5 min. by default for resetting the game (non-players only)
|
||||
-- Timeout is 5 min. by default for resetting the game (non-players only)
|
||||
if fields.new then
|
||||
if (playerWhite == playerName or playerBlack == playerName) then
|
||||
realchess.init(pos)
|
||||
else
|
||||
minetest.chat_send_player(playerName, chat_prefix ..
|
||||
"You can't reset the chessboard, a game has been started.\n" ..
|
||||
"If you are not a current player, try again in " ..
|
||||
timeout_format(timeout_limit))
|
||||
end
|
||||
end
|
||||
|
||||
if fields.new and lastMoveTime ~= 0 and minetest.get_gametime() >= timeout_limit and
|
||||
(playerWhite ~= playerName or playerBlack ~= playerName) then
|
||||
realchess.init(pos)
|
||||
elseif lastMoveTime ~= 0 then
|
||||
if minetest.get_gametime() >= timeout_limit and
|
||||
(playerWhite ~= playerName or playerBlack ~= playerName) then
|
||||
realchess.init(pos)
|
||||
else
|
||||
minetest.chat_send_player(playerName, chat_prefix ..
|
||||
"You can't reset the chessboard, a game has been started. " ..
|
||||
"If you aren't a current player, try again in " ..
|
||||
timeout_format(timeout_limit))
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
@ -659,22 +758,48 @@ function realchess.dig(pos, player)
|
||||
return false
|
||||
end
|
||||
|
||||
local meta = minetest.get_meta(pos)
|
||||
local playerName = player:get_player_name()
|
||||
local meta = minetest.get_meta(pos)
|
||||
local playerName = player:get_player_name()
|
||||
local timeout_limit = meta:get_int("lastMoveTime") + 300
|
||||
local lastMoveTime = meta:get_int("lastMoveTime")
|
||||
local lastMoveTime = meta:get_int("lastMoveTime")
|
||||
|
||||
-- timeout is 5 min. by default for digging the chessboard (non-players only)
|
||||
-- Timeout is 5 min. by default for digging the chessboard (non-players only)
|
||||
return (lastMoveTime == 0 and minetest.get_gametime() > timeout_limit) or
|
||||
minetest.chat_send_player(playerName, chat_prefix ..
|
||||
"You can't dig the chessboard, a game has been started.\n" ..
|
||||
"You can't dig the chessboard, a game has been started. " ..
|
||||
"Reset it first if you're a current player, or dig it again in " ..
|
||||
timeout_format(timeout_limit))
|
||||
end
|
||||
|
||||
function realchess.on_move(pos, from_list, from_index)
|
||||
local inv = minetest.get_meta(pos):get_inventory()
|
||||
local meta = minetest.get_meta(pos)
|
||||
local inv = minetest.get_meta(pos):get_inventory()
|
||||
inv:set_stack(from_list, from_index, '')
|
||||
|
||||
local black_king_idx, white_king_idx = locate_kings(inv)
|
||||
local black_king_attacked = king_attack("black", black_king_idx, inv)
|
||||
local white_king_attacked = king_attack("white", white_king_idx, inv)
|
||||
|
||||
local playerWhite = meta:get_string("playerWhite")
|
||||
local playerBlack = meta:get_string("playerBlack")
|
||||
|
||||
local moves = meta:get_string("moves")
|
||||
local eaten_img = meta:get_string("eaten_img")
|
||||
local lastMove = meta:get_string("lastMove")
|
||||
local turnBlack = minetest.colorize("#000001", (lastMove == "white" and playerBlack ~= "") and
|
||||
playerBlack .. "..." or playerBlack)
|
||||
local turnWhite = minetest.colorize("#000001", (lastMove == "black" and playerWhite ~= "") and
|
||||
playerWhite .. "..." or playerWhite)
|
||||
local check_s = minetest.colorize("#FF0000", "\\[check\\]")
|
||||
|
||||
local formspec = fs ..
|
||||
"label[1.9,0.3;" .. turnBlack .. (black_king_attacked and " " .. check_s or "") .. "]" ..
|
||||
"label[1.9,9.15;" .. turnWhite .. (white_king_attacked and " " .. check_s or "") .. "]" ..
|
||||
"table[8.9,1.05;5.07,3.75;moves;" .. moves:sub(1,-2) .. ";1]" ..
|
||||
eaten_img
|
||||
|
||||
meta:set_string("formspec", formspec)
|
||||
|
||||
return false
|
||||
end
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user