105 lines
2.0 KiB
Ruby
105 lines
2.0 KiB
Ruby
require "socket"
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@server = TCPServer.new(5678)
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@players = [@server.accept, @server.accept]
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@labels = %w[X O]
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@board = [[nil] * 3, [nil] * 3, [nil] * 3]
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@turn = 0
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@winner = nil
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def write(msg)
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@players[@turn].write(msg)
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end
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def print_board
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position = 0
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3.times do |y|
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write("+---+---+---+\r\n")
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3.times do |row|
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3.times do |x|
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last = x == 2 ? "|\r\n" : ""
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case row
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when 0
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position = y * 3 + x + 1
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write("|#{position} #{last}")
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when 1
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entry = @board[y][x] || " "
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write("| #{entry} #{last}")
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when 2
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write("| #{last}")
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end
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end
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end
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end
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write("+---+---+---+\r\n")
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end
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def get_selection
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loop do
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write("Select a position:\r\n")
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input = @players[@turn].gets
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position = input.to_i
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if position >= 1 && position <= 9
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y = (position - 1) / 3
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x = (position - 1) % 3
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return x, y if @board[y][x].nil?
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end
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end
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end
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def take_turn
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print_board
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x, y = get_selection
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@board[y][x] = @labels[@turn]
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print_board
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end
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def check_win_row(y)
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if @board[y][0] && @board[y][0] == @board[y][1] && @board[y][0] == @board[y][2]
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return @board[y][0]
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end
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end
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def check_win_col(x)
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if @board[0][x] && @board[0][x] == @board[1][x] && @board[0][x] == @board[2][x]
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return @board[0][x]
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end
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end
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def check_end
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3.times do |i|
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if @winner = check_win_row(i)
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return
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elsif @winner = check_win_col(i)
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return
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end
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end
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if @board[0][0] && @board[0][0] == @board[1][1] && @board[0][0] == @board[2][2]
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return @winner = @board[0][0]
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end
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if @board[0][2] && @board[0][2] == @board[1][1] && @board[0][2] == @board[2][0]
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return @winner = @board[0][2]
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end
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end
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def print_end
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if @winner
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win_msg = "#{@winner} wins!"
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else
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win_msg = "Tie game!"
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end
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@players.each do |client|
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client.write("Game over. #{win_msg}\r\n")
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end
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end
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9.times do
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take_turn
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@turn ^= 1
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check_end
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break if @winner
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end
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print_board
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print_end
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