public Hooks(IReloadedHooks hooks, InitPath initPath, GetStartPosition getStartPosition, GetEndPosition getEndPosition, GetBragPosition getBragPosition)
{
InitPathHook = hooks.CreateHook(initPath, 0x00439020).Activate();
GetStartPositionHook = hooks.CreateHook(getStartPosition, 0x00426F10).Activate();
GetEndPositionHook = hooks.CreateHook(getEndPosition, 0x00426FD0).Activate();
GetBragPositionHook = hooks.CreateHook(getBragPosition, 0x00427010).Activate();
}
/* Setup */
public SteamHook(IReloadedHooks hooks, Logger logger, string applicationFolder)
{
_applicationFolder = applicationFolder;
var steamApiPath = Environment.Is64BitProcess ? Path.GetFullPath(SteamAPI64) : Path.GetFullPath(SteamAPI32);
if (!File.Exists(steamApiPath))
{
return;
}
// Hook relevant functions
var libraryAddress = Native.Kernel32.LoadLibraryW(steamApiPath);
_restartAppIfNecessaryHook = HookExportedFunction <RestartAppIfNecessary>(libraryAddress, RestartAppIfNecessaryName, RestartAppIfNecessaryImpl);
_isSteamRunningHook = HookExportedFunction <IsSteamRunning>(libraryAddress, IsSteamRunningName, IsSteamRunningImpl);
// Drop steam_appid.txt
DropSteamAppId(logger);
// Local function.
IHook <T> HookExportedFunction <T>(IntPtr libraryHandle, string functionName, T handler)
{
var functionPtr = Native.Kernel32.GetProcAddress(libraryHandle, functionName);
if (functionPtr == IntPtr.Zero)
{
logger.SteamWriteLineAsync($"{functionName} not found.", logger.ColorWarning);
return(null);
}
logger.SteamWriteLineAsync($"{functionName} hooked successfully.", logger.ColorSuccess);
return(hooks.CreateHook <T>(handler, (long)functionPtr).Activate());
}
}
public Mod(ILogger logger, IReloadedHooks hooks)
{
_logger = logger;
_hooks = hooks;
_process = Process.GetCurrentProcess();
using var scanner = new Scanner(_process, _process.MainModule);
//var result = scanner.CompiledFindPattern("48 8B C4 53 41 56 41 57 48 83 EC 50");
var result = scanner.CompiledFindPattern("4C 89 44 24 18 48 89 54 24 10 48 89 4C 24 08 55 53 56 57 48 8D 6C 24 D8");
var functionAddress = result.Offset + (long)_process.MainModule.BaseAddress;
#if DEBUG
_logger.WriteLine($"Address: {functionAddress:X}");
#endif
_loadFileHook = _hooks.CreateHook <LoadFile>(LoadFileFunc, functionAddress).Activate();
}