MapleLegends NoAdmin Patcher.ahk

#SingleInstance, Force  ; Allow only one instance of the script to run
#NoEnv  ; Recommended for performance and compatibility with future AutoHotkey releases.
#Persistent ; Keep the script 'alive' in the tray

RegRead, MLPath, HKEY_CURRENT_USER\Software\Classes\VirtualStore\MACHINE\SOFTWARE\Wow6432Node\MapleLegends, ExecPath
FileSelectFile, FileOrig, 3, %MLPath%, Prompt, MapleLegends*.exe
If %ErrorLevel%
    ExitApp
FilePatch   := StrReplace(FileOrig, ".exe", "_NoAdmin.exe")

Dist    := -0x720
Bytes   := Abs(Dist)
SetFormat, Integer, D
Chars   := Bytes + 0

IfExist, %FilePatch%
    FileDelete, %FilePatch%
FileCopy, %FileOrig%, %FilePatch%

_iFile := FileOpen(FileOrig, "r")
_iFile.Seek(Dist, 2)
_String := _iFile.Read(Chars)
_iFile.Close()

;   https://www.autohotkey.com/docs/commands/RegExMatch.htm#MatchObject
RegExMatch(_String, "Osm)^(\s*<security>.+\s*<\/security>)", _Match)
Loop, % _Match.Len()
    _Pad .= " "
_String := StrReplace(_String, _Match.Value(), _Pad)

_oFile := FileOpen(FilePatch, "a")
_oFile.Seek(Dist, 2)
_oFile.Write(_String)
_oFile.Close()

MsgBox, 4,, Would you like to create a shortcut on the desktop?
IfMsgBox, Yes
    FileCreateShortcut, %FilePatch%, %A_Desktop%\MapleLegends (NoAdmin).lnk, %MLPath%,,, %FilePatch%