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Prevent app suspension for MCBE. #7

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Prevent app suspension for MCBE. #7

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56 changes: 53 additions & 3 deletions Flarial.Minimal/Injector.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -6,20 +6,70 @@

namespace Flarial.Minimal
{

public static class Minecraft
{
[DllImport("kernel32.dll")]
static extern long GetPackagesByPackageFamily(
[MarshalAs(UnmanagedType.LPWStr)] string packageFamilyName,
ref uint count,
IntPtr packageFullNames,
ref uint bufferLength,
IntPtr buffer);

[ComImport]
[Guid("f27c3930-8029-4ad1-94e3-3dba417810c1")]
[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
interface IPackageDebugSettings
{
long EnableDebugging(
[MarshalAs(UnmanagedType.LPWStr)] string packageFullName,
[MarshalAs(UnmanagedType.LPWStr)] string debuggerCommandLine,
[MarshalAs(UnmanagedType.LPWStr)] string environment);
long DisableDebugging([MarshalAs(UnmanagedType.LPWStr)] string packageFullName);
long Suspend([MarshalAs(UnmanagedType.LPWStr)] string packageFullName);
long Resume([MarshalAs(UnmanagedType.LPWStr)] string packageFullName);
long TerminateAllProcesses([MarshalAs(UnmanagedType.LPWStr)] string packageFullName);
long SetTargetSessionId(ulong sessionId);
long StartServicing([MarshalAs(UnmanagedType.LPWStr)] string packageFullName);
long StopServicing([MarshalAs(UnmanagedType.LPWStr)] string packageFullName);
long StartSessionRedirection([MarshalAs(UnmanagedType.LPWStr)] string packageFullName, ulong sessionId);
long StopSessionRedirection([MarshalAs(UnmanagedType.LPWStr)] string packageFullName);
long GetPackageExecutionState([MarshalAs(UnmanagedType.LPWStr)] string packageFullName, IntPtr packageExecutionState);
long RegisterForPackageStateChanges(
[MarshalAs(UnmanagedType.LPWStr)] string packageFullName,
IntPtr pPackageExecutionStateChangeNotification,
IntPtr pdwCookie);
long UnregisterForPackageStateChanges(ulong dwCookie);
}

private static Process Process;

public static void init()
{
var mcIndex = Process.GetProcessesByName("Minecraft.Windows");
IPackageDebugSettings pPackageDebugSettings = (IPackageDebugSettings)Activator.CreateInstance(
Type.GetTypeFromCLSID(new Guid(0xb1aec16f, 0x2383, 0x4852, 0xb0, 0xe9, 0x8f, 0x0b, 0x1d, 0xc6, 0x6b, 0x4d)));
uint count = 0, bufferLength = 0;
GetPackagesByPackageFamily("Microsoft.MinecraftUWP_8wekyb3d8bbwe", ref count, IntPtr.Zero, ref bufferLength, IntPtr.Zero);
IntPtr packageFullNames = Marshal.AllocHGlobal((int)(count * IntPtr.Size)),
buffer = Marshal.AllocHGlobal((int)(bufferLength * 2));
GetPackagesByPackageFamily("Microsoft.MinecraftUWP_8wekyb3d8bbwe", ref count, packageFullNames, ref bufferLength, buffer);
for (int i = 0; i < count; i++)
{
pPackageDebugSettings.EnableDebugging(Marshal.PtrToStringUni(Marshal.ReadIntPtr(packageFullNames)), null, null);
packageFullNames += IntPtr.Size;
}
Marshal.FreeHGlobal(packageFullNames);
Marshal.FreeHGlobal(buffer);

if (mcIndex.Length > 0)
{
Process = mcIndex[0];

}
}

public static async Task WaitForModules()
{
while (Process == null)
Expand All @@ -33,12 +83,12 @@ public static async Task WaitForModules()
Process.Refresh();
if (Process.Modules.Count > 155)
break;

await Task.Delay(100);
}
}
}

public enum DllReturns
{
SUCCESS = 0,
Expand Down