GPT Battle Ship PowerShell

Battleship.ps1

# Function to display the game board
function DisplayBoard {
    Write-Host "  A B C D E F G H I J"
    for ($i=0; $i -lt 10; $i++) {
        Write-Host ($i + 1) " " $board[$i]
    }
}

# Function to get user input for ship placement
function GetInput {
    $input = Read-Host "Enter coordinate (e.g. A5): "
    $column = [char]$input[0] - 65
    $row = [int]$input[1] - 1
    return ,$row, $column
}

# Function to place the ship on the board
function PlaceShip {
    $shipCoordinates = @()
    $shipLength = $args[0]
    $start = GetInput
    $row = $start[0]
    $column = $start[1]
    Write-Host "Enter direction (u, d, l, r): "
    $direction = Read-Host
    switch ($direction) {
        "u" {for ($i=0; $i -lt $shipLength; $i++) {$shipCoordinates += ,$row--, $column}}
        "d" {for ($i=0; $i -lt $shipLength; $i++) {$shipCoordinates += ,$row++, $column}}
        "l" {for ($i=0; $i -lt $shipLength; $i++) {$shipCoordinates += ,$row, $column--}}
        "r" {for ($i=0; $i -lt $shipLength; $i++) {$shipCoordinates += ,$row, $column++}}
    }
    foreach ($coordinate in $shipCoordinates) {
        if ($coordinate[0] -lt 0 -or $coordinate[0] -ge 10 -or $coordinate[1] -lt 0 -or $coordinate[1] -ge 10) {
            Write-Host "Invalid placement."
            PlaceShip $shipLength
            return
        }
        if ($board[$coordinate[0]][$coordinate[1]] -ne "~") {
            Write-Host "Invalid placement."
            PlaceShip $shipLength
            return
        }
    }
    foreach ($coordinate in $shipCoordinates) {
        $board[$coordinate[0]][$coordinate[1]] = "X"
    }
}

# Function to get user guess
function GetGuess {
    $guess = Read-Host "Enter guess (e.g. A5): "
    $column = [char]$guess[0] - 65
    $row = [int]$guess[1] - 1
    return ,$row, $column
}

# Function to play the game
function PlayGame {
    $hits = 0
    while ($hits -lt 17) {
        DisplayBoard
        $guess = GetGuess
        if ($board[$guess[0]][$guess[1]] -eq "X") {
            Write-Host "Hit!"
            $board[$guess[0]][$guess[1]] = "