public static void SetUpHooks()
{
if (hooked)
{
return;
}
hooked = true;
// first, kick out the original splash screen completely:
// remove creation of the splash screen
// copy important code to the top
Process.Write(0x004267F1, 0x8B, 0xE9,
0xC7, 0x05, 0xD4, 0xDC, 0x8C, 0x00, 0x30, 0x5F, 0x42, 0x00,
0x33, 0xFF);
// jmp over everything else
Process.Write(0x004267FF, 0xEB, 0x28);
Process.Write(0x426868, 0x83, 0xC4, 0x04); // add esp, 4 (original code)
Process.Nop(0x42686B, 20); // NOP everything else
Process.AddHook(RemoveSplashScreen, 0x42686B, 5); // add hook to remove our splash screen
Logger.Log("Gothic-SplashScreen hooked.");
}
public static void AddHooks()
{
Process.AddHook(BeginInit, 0x44AFD3, 7);
Process.AddHook(EndInit, 0x44AFE2, 5);
Process.AddHook(VDFS_Open, 0x44920F, 5); // open
Process.AddHook(VDFS_Exists, 0x44909B, 6); // Exists
var h = Process.AddHook(File_Open, 0x7D2010, 6); // fopen
Process.Write(h.OldInNewAddress, (byte)0xC3);
h = Process.AddHook(File_Exists, 0x7D197A, 0xA); // fexists
h.SetSkipOldCode(true);
Process.Write(0x44AEDF, 0xE9, 0x8C, 0x00, 0x00, 0x00); // skip visual vdfs init (vdfs32g.exe)
Process.Write(0x00470846, 0xE9, 0x96, 0x02, 0x00, 0x00); // skip forced vdfs intialization
Process.AddHook(File_FindFirst, 0x7D2517, 0xA);
Process.AddHook(File_FindNext, 0x7D25E3, 0xA);
Process.AddHook(File_FindClose, 0x7D269B, 0xA);
Process.AddHook(DirectFileConvert, 0x442390, 0x6);
Logger.Log("Added new file system hooks.");
}
static void SetupProject()
{
_GothicPath = Environment.GetEnvironmentVariable("GUCGothicPath").ToUpperInvariant();
if (string.IsNullOrWhiteSpace(_GothicPath) || !Directory.Exists(_GothicPath))
{
throw new Exception("Gothic folder environment variable is null or not found!");
}
Process.AddHook(SetRootPathHook, 0x44235E, 7);
Process.AddHook(SetRootPathHook, 0x44237A, 7);
_GothicRootPath = Path.Combine(_GothicPath, "SYSTEM").ToUpperInvariant();
_ProjectPath = Environment.GetEnvironmentVariable("GUCProjectPath").ToUpperInvariant();
if (string.IsNullOrWhiteSpace(_ProjectPath) || !Directory.Exists(_ProjectPath))
{
throw new Exception("Project folder environment variable is null or not found!");
}
_ServerIP = Environment.GetEnvironmentVariable("GUCServerIP");
if (string.IsNullOrWhiteSpace(_ServerIP))
{
throw new Exception("Server IP environment variable is null or white space!");
}
if (!ushort.TryParse(Environment.GetEnvironmentVariable("GUCServerPort"), out _ServerPort))
{
throw new Exception("Could not parse server port environment variable to ushort!");
}
_Password = Environment.GetEnvironmentVariable("GUCServerPassword");
if (string.IsNullOrWhiteSpace(_Password))
{
_Password = null;
}
AppDomain.CurrentDomain.AssemblyResolve += ResolveAssembly;
const string iniString = "SYSTEM\\GOTHIC.INI";
string destIni = Path.Combine(ProjectPath, iniString);
if (!File.Exists(destIni))
{
string srcIni = Path.Combine(GothicPath, iniString);
if (File.Exists(srcIni))
{
Directory.CreateDirectory(Path.GetDirectoryName(destIni));
File.Copy(srcIni, destIni);
}
}
}
public static void AddHooks()
{
if (inited)
{
return;
}
inited = true;
// hook hero creating
Process.Write(0x006C434B, 0xE9, 0xBD, 0x00, 0x00, 0x00);
Process.AddHook(CreatePlayerVob, 0x006C440D, 5).SetSkipOldCode(true);
Process.Write(0x006C4662, 0xEB, 0x67); //skip instance check
Logger.Log("Added player hero creation hooks.");
}
public static void AddHooks()
{
if (inited)
{
return;
}
inited = true;
Process.AddHook(hook_LoadDat, 0x0078E900, 7);
var h = Process.AddHook(hook_LoadParserFile, 0x006C4BE0, 6);
Process.Write(h.OldInNewAddress, 0x33, 0xC0, 0xC2, 0x04, 0x00, 0x00); // block it
Logger.Log("Added parser hooks.");
}