DethKarz

Release Date
Windows: December 18, 1998
Genres
Simulator Racing
View at PCGamingWiki

Actions

Name	Path	Arguments	Working Directory	Primary
Play	Dethkarz.exe			True

Name Change Script

Dethkarz stores the name of the player for multiplayer in the dk.db file as a raw ASCII string with a max length of 12. This offset might change if this file changes in size at all.

$NewName = $args[0]
$InstallDir = $PSScriptRoot

function Get-AsciiBytes([string]$InputString, [int]$MaxLength)
{
    if ($InputString.Length -gt $MaxLength)
    {
        $InputString = $InputString.Substring(0, $MaxLength)
    }

    $bytes = [System.Text.Encoding]::ASCII.GetBytes($InputString)
    $array = @()
    $count = 0

    $extraPadding = $MaxLength - $bytes.Length

    foreach ($byte in $bytes)
    {
        if ($count -lt $MaxLength)
        {
            $array += $byte
            $count++
        }
    }

    for ($i = $count; $i -lt $MaxLength; $i++)
    {
        $array += 0x00
    }

    return $array
}

function Patch-Binary([byte[]]$Data, [int]$Offset, [string]$FilePath)
{
    $bytes = [System.IO.File]::ReadAllBytes($FilePath)

    for ($i = 0; $i -lt $Data.Length; $i++)
    {
        $bytes[$Offset + $i] = $Data[$i]
    }

    [System.IO.File]::WriteAllBytes($FilePath, $bytes)
}

$rawBytes = Get-AsciiBytes -InputString $newName -MaxLength 12

Patch-Binary -FilePath "$InstallDir\Data\dk.db" -Offset 0xf0b88 -Data $rawBytes