틱택토 코틀린

TicTakToe.kt

import java.util.Random

/**
 * @author kinetic
 */
fun main() {
    val board = Array(9) { " " }
    var turn = 0 // 0 is human's turn, 1 is computer's turn

    println("Tic Tak Toe")
    println("사람: X, 컴퓨터: O")
    println("-".repeat(15) + "\n")

    var n: Int? = -1


    /* Try to get input Start */
    game@ while (true) {
        input@ while (true) {
            when (turn) {
                /* User Data Input Start*/
                0 -> {
                    print("좌표로 쓰일 정수값(0 ~ 2) 두개를 x y 순서로 입력해주세요. ex) 2 2: ")
                    // get line by user
                    val userInput = readLine()!!.split(" ").map { it.toIntOrNull() }

                    // check input is valid
                    if (userInput[0] in 0..2 && userInput[1] in 0..2) {
                        // change 2D coordinate to 1D coordinate
                        n = userInput[0]!! + userInput[1]!! * 3
                    } else {
                        print("잘못된 입력입니다. ")
                        continue@input
                    }
                }
                /* User Data Input End*/

                // Random Computer Input
                1 -> n = Random().nextInt(9)
            }

            if (board[n!!] != " ") {
                if (turn == 0) print("이미 입력된 칸입니다,  ")
            } else break@input
        }
        /* Try to get input End */


        // Input data to board, 0 is human's turn and 1 is computer's turn
        board[n!!] = if (turn == 0) "X" else "O"


        /* Print Board Start */
        (3 downTo 1).forEach {
            println(" ${board[it * 3 - 3]} | ${board[it * 3 - 2]} | ${board[it * 3 - 1]}") // print 1 line of board

            if (it in 2..3) println("---|---|---") // print contour between lines
        }
        println("\n" + "-".repeat(15) + "\n")
        /* Print Board End */


        /* Check game is over Start*/
        // All bingo cases
        val bingo = arrayOf(
            intArrayOf(0, 1, 2), intArrayOf(3, 4, 5), intArrayOf(6, 7, 8), // horizontal bingo
            intArrayOf(0, 3, 6), intArrayOf(1, 4, 7), intArrayOf(2, 5, 8), // vertical bingo
            intArrayOf(0, 4, 8), intArrayOf(2, 4, 6) // diagonal bingo
        )

        // Check bingo cases
        for (it in bingo) {

            if (board[it[0]] in arrayOf("O", "X") && board[it[0]] === board[it[1]] && board[it[1]] === board[it[2]]) {
                println(
                    when (turn) {
                        0 -> "You won! Congratulation!"
                        else -> "You lose.. Try again!"
                    }
                )
                break@game
            }
        }

        if (board.count { it == " " } == 0) {
            println("Draw!")
            break@game
        }
        /* Check game is over End*/


        turn = turn xor 1
    }
}