/// <summary>
/// Tries to retrieve TDU version by looking at Bnk1.map file size.
/// </summary>
/// <returns>TDU installed version or UNKNOWN value if not found.</returns>
private static TduVersion _SearchForTduVersionFromMap()
{
TduVersion installedVersion = TduVersion.Unknown;
// Locating Bnk1.map file
string mapFileName = LibraryConstants.GetSpecialFile(LibraryConstants.TduSpecialFile.BnkMap);
// DEBUG
Log.Info("_SearchForTduVersionFromMap, Bnk1.map:" + mapFileName);
// According to MAP size...
FileInfo mapInfo = new FileInfo(mapFileName);
if (mapInfo.Exists)
{
long mapSize = mapInfo.Length;
Log.Info("Bnk1.map file found, size=" + mapSize);
if (mapSize < MAP.SIZE_1_66_MAP)
{
installedVersion = TduVersion.V1_45;
}
else if (mapSize < MAP.SIZE_1_66_MEGAPACK_MAP)
{
installedVersion = TduVersion.V1_66;
}
else
{
installedVersion = TduVersion.V1_66_Megapack;
}
}
return(installedVersion);
}
/// <summary>
/// Tries to retrieve TDU version by seeking into Windows registry first, or by alternative ways if it fails.
/// </summary>
/// <returns>TDU installed version or Unknown value if not found.</returns>
internal static TduVersion _SearchForTduVersion()
{
TduVersion installedVersion = TduVersion.Unknown;
// Registry search
try
{
RegistryKey key = Registry.LocalMachine;
// 64bit OS support
string keyName = (System64.Is64BitOs() ?
_REGKEY_TDU_64
: _REGKEY_TDU_32);
key = key.OpenSubKey(keyName);
if (key == null)
{
throw new Exception("TDU registry key not found under LOCAL_MACHINE: " + keyName);
}
string version = key.GetValue(_REGVALUE_TDU_GAME_VERSION) as string;
if (version == null)
{
throw new Exception("TDU version value not found: " + _REGVALUE_TDU_GAME_VERSION);
}
switch (version)
{
case _REGDATA_1_45_VERSION:
installedVersion = TduVersion.V1_45;
break;
case _REGDATA_1_66_VERSION:
installedVersion = TduVersion.V1_66;
break;
case _REGDATA_1_66_MEGAPACK_VERSION:
installedVersion = TduVersion.V1_66_Megapack;
break;
default:
throw new Exception("Invalid version data in registry: " + installedVersion);
}
}
catch (Exception ex)
{
// Silent
Exception2.PrintStackTrace(new Exception(_ERROR_SEARCH_TDU_VERSION, ex));
}
// Alternative ways...
if (installedVersion == TduVersion.Unknown)
{
Log.Info("Searching TDU version from Bnk1.map file size...");
try
{
// Searching for version according to Bnk1.map file size
installedVersion = _SearchForTduVersionFromMap();
}
catch (Exception ex)
{
// Silent
Exception2.PrintStackTrace(new Exception(_ERROR_SEARCH_TDU_VERSION, ex));
}
}
// If nothing works...
if (installedVersion == TduVersion.Unknown)
{
Log.Warning(_ERROR_SEARCH_TDU_VERSION);
}
return(installedVersion);
}
/// <summary>
/// Repairs data into Windows registry (TDU install location and TDU version)
/// </summary>
/// <param name="tduInstallPath">Location where TDU is installed, e.g. C:\Program Files\Atari\Test Drive Unlimited</param>
public static void FixRegistry(string tduInstallPath)
{
if (string.IsNullOrEmpty(tduInstallPath) || !Directory.Exists(tduInstallPath))
{
throw new Exception("Install path is invalid: " + tduInstallPath);
}
// Retrieving TDU version according to Bnk1.map file size
TduVersion currentVersion = InstalledTduVersion;
// Writing values into Windows registry
try
{
string version = "";
RegistryKey key = Registry.LocalMachine;
// Main key
// 64bit OS support
string keyName = (System64.Is64BitOs() ?
_REGKEY_TDU_64
: _REGKEY_TDU_32);
key = key.OpenSubKey(keyName, true);
if (key == null)
{
// 64bit OS support
key = Registry.LocalMachine.CreateSubKey(keyName);
if (key == null)
{
throw new Exception("TDU registry key cannot be created: " + keyName);
}
}
// Install path
key.SetValue(_REGVALUE_TDU_INSTALL_PATH, tduInstallPath);
// TDU version
switch (currentVersion)
{
case TduVersion.Unknown:
case TduVersion.V1_45:
version = _REGDATA_1_45_VERSION;
break;
case TduVersion.V1_66:
version = _REGDATA_1_66_VERSION;
break;
case TduVersion.V1_66_Megapack:
version = _REGDATA_1_66_MEGAPACK_VERSION;
break;
}
key.SetValue(_REGVALUE_TDU_GAME_VERSION, version);
}
catch (SecurityException sEx)
{
throw new UnauthorizedAccessException("You don't have rights to fix registry for TDU.", sEx);
}
catch (UnauthorizedAccessException uaEx)
{
throw new UnauthorizedAccessException("You don't have rights to fix registry for TDU.", uaEx);
}
catch (Exception ex)
{
throw new Exception("Internal error: unable to fix registry for TDU.", ex);
}
}
