internal static TClass CreateInterface <TClass>(string module, int offset = 0)
where TClass : InteropHelp.INativeWrapper, new()
{
try
{
ProcessModule procModule = null;
foreach (ProcessModule m in Process.GetCurrentProcess().Modules)
{
if (m.ModuleName == module)
{
procModule = m;
}
}
if (procModule == null)
{
throw new DotaException($"Can't find Module '{module}'");
}
IntPtr addrModule = WinImports.LoadLibraryEx(procModule.FileName, IntPtr.Zero,
WinImports.LoadLibraryFlags.LoadWithAlteredSearchPath);
if (addrModule == IntPtr.Zero)
{
throw new DotaException($"Can't load Module '{module}'");
}
m_callCreateInterface = Native.GetExportFunction <Native.CreateInterface>(addrModule, "CreateInterface");
if (m_callCreateInterface == null)
{
throw new DotaException($"Interface wasn't created - Module '{module}'");
}
IntPtr address = m_callCreateInterface(InterfaceVersions.GetInterfaceIdentifier(typeof(TClass)),
IntPtr.Zero);
if (address == IntPtr.Zero)
{
throw new DotaException($"Interface Identifier failed - Module '{module}'");
}
if (offset > 0)
{
address = address + offset;
}
TClass result = new TClass();
result.SetupFunctions(address);
return(result);
}
catch (DotaException)
{
return(default(TClass));
}
}
/// <summary>
/// Loads the steamclient library.
/// </summary>
/// <returns>A value indicating if the load was successful.</returns>
public static bool LoadSteamClient()
{
if (SteamClientHandle != IntPtr.Zero)
{
return(true);
}
string path = GetInstallPath();
if (!string.IsNullOrEmpty(path))
{
Native.SetDllDirectory(path + ";" + Path.Combine(path, "bin"));
}
if (Is64Bit())
{
path = Path.Combine(path, "steamclient64.dll");
}
else
{
path = Path.Combine(path, "steamclient.dll");
}
IntPtr module = Native.LoadLibraryEx(path, IntPtr.Zero, Native.LOAD_WITH_ALTERED_SEARCH_PATH);
if (module == IntPtr.Zero)
{
return(false);
}
CallCreateInterface = Native.GetExportFunction <Native.CreateInterface>(module, "CreateInterface");
if (CallCreateInterface == null)
{
return(false);
}
CallSteamBGetCallback = Native.GetExportFunction <Native.SteamBGetCallback>(module, "Steam_BGetCallback");
if (CallSteamBGetCallback == null)
{
return(false);
}
CallSteamFreeLastCallback = Native.GetExportFunction <Native.SteamFreeLastCallback>(module, "Steam_FreeLastCallback");
if (CallSteamFreeLastCallback == null)
{
return(false);
}
CallSteamGetAPICallResult = Native.GetExportFunction <Native.SteamGetAPICallResult>(module, "Steam_GetAPICallResult");
if (CallSteamGetAPICallResult == null)
{
return(false);
}
SteamClientHandle = module;
return(true);
}