public override MethodBase DetourTo(MethodBase replacement)
{
DebugCheck();
DynamicMethodDefinition newreplacementdmd = CopyOriginal();
HarmonyManipulator.Manipulate(Original, Original.GetPatchInfo(), new ILContext(newreplacementdmd.Definition));
MethodInfo newreplacement = newreplacementdmd.Generate();
MethodInfo il2CppShim = CreateIl2CppShim(newreplacement).Generate();
Type il2CppShimDelegateType = DelegateTypeFactory.instance.CreateDelegateType(il2CppShim, CallingConvention.Cdecl);
Delegate il2CppShimDelegate = il2CppShim.CreateDelegate(il2CppShimDelegateType);
IntPtr il2CppShimDelegatePtr = il2CppShimDelegate.GetFunctionPointer();
if (methodDetourPointer != IntPtr.Zero)
{
MelonUtils.NativeHookDetach(copiedMethodInfoPointer, methodDetourPointer);
}
MelonUtils.NativeHookAttach(copiedMethodInfoPointer, il2CppShimDelegatePtr);
methodDetourPointer = il2CppShimDelegatePtr;
PatchTools_RememberObject(Original, new LemonTuple <MethodInfo, MethodInfo, Delegate> {
Item1 = newreplacement, Item2 = il2CppShim, Item3 = il2CppShimDelegate
});
return(newreplacement);
}
private static void InstallIl2CppPatch(PatchInfo patchInfo, DynamicMethod il2CppShim)
{
IntPtr methodInfoPtr = patchInfo.copiedMethodInfoPointer;
IntPtr oldDetourPtr = patchInfo.methodDetourPointer;
IntPtr newDetourPtr = il2CppShim.MethodHandle.GetFunctionPointer();
if (oldDetourPtr != IntPtr.Zero)
{
MelonUtils.NativeHookDetach(methodInfoPtr, oldDetourPtr);
}
MelonUtils.NativeHookAttach(methodInfoPtr, newDetourPtr);
patchInfo.methodDetourPointer = newDetourPtr;
}
public override void OnApplicationStart()
{
ClassInjector.RegisterTypeInIl2Cpp <BoneDeleteHandler>();
var category = MelonPreferences.CreateCategory("Turbones");
var enableCollisionChecks = category.CreateEntry("OptimizedCollisionChecks", true, "Enable optimized collision checks");
var enableUpdate = category.CreateEntry("OptimizedUpdate", true, "Enable optimized simulation");
var updateMultiThread = category.CreateEntry("OptimizedMultiThread", false, "Enable multithreading (placebo!)");
var threadCount = category.CreateEntry("DynamicBoneThreads", Math.Max(1, Environment.ProcessorCount / 2 - 1), "Thread count (placebo!)", dont_save_default: true);
var dllName = "JigglyRustSolver.dll";
try
{
using var resourceStream = Assembly.GetExecutingAssembly()
.GetManifestResourceStream(typeof(TurbonesMod), dllName);
using var fileStream = File.Open("VRChat_Data/Plugins/" + dllName, FileMode.Create, FileAccess.Write);
resourceStream.CopyTo(fileStream);
}
catch (IOException ex)
{
MelonLogger.Warning("Failed to write native dll; will attempt loading it anyway. This is normal if you're running multiple instances of VRChat");
MelonDebug.Msg(ex.ToString());
}
if (!JigglySolverApi.Initialize("VRChat_Data/Plugins/" + dllName))
{
MelonLogger.Error("Error initializing native library; mod won't work");
return;
}
ourDynBoneCollideEntryPoint = Marshal.ReadIntPtr((IntPtr)UnhollowerUtils.GetIl2CppMethodInfoPointerFieldForGeneratedMethod(
typeof(DynamicBoneCollider).GetMethod(nameof(DynamicBoneCollider
.Method_Public_Void_byref_Vector3_Single_0))).GetValue(null));
ourDynBoneUpdateEntryPoint = Marshal.ReadIntPtr((IntPtr)UnhollowerUtils.GetIl2CppMethodInfoPointerFieldForGeneratedMethod(
typeof(DynamicBone).GetMethod(nameof(DynamicBone
.Method_Private_Void_Single_Boolean_0))).GetValue(null));
var isCollidePatched = false;
unsafe void PatchCollide()
{
if (isCollidePatched)
{
return;
fixed(IntPtr *a = &ourDynBoneCollideEntryPoint)
MelonUtils.NativeHookAttach((IntPtr)a, JigglySolverApi.LibDynBoneCollideEntryPoint);
MelonLogger.Msg("Patched DynamicBone Collide");
isCollidePatched = true;
}
unsafe void UnpatchCollide()
{
if (!isCollidePatched)
{
return;
fixed(IntPtr *a = &ourDynBoneCollideEntryPoint)
MelonUtils.NativeHookDetach((IntPtr)a, JigglySolverApi.LibDynBoneCollideEntryPoint);
MelonLogger.Msg("Unpatched DynamicBone Collide");
isCollidePatched = false;
}
unsafe void RepatchUpdate(bool useFast, bool useMt)
{
// TODO: re-enable multithreading if it ever gets useful/stable
useMt = false;
if (ourLastPatchPointer != IntPtr.Zero)
{
fixed(IntPtr *a = &ourDynBoneUpdateEntryPoint)
MelonUtils.NativeHookDetach((IntPtr)a, ourLastPatchPointer);
MelonLogger.Msg("Unpatched DynamicBone Update");
ourLastPatchPointer = IntPtr.Zero;
}
if (!CheckWasSuccessful)
return; }
if (useFast)
{
ourLastPatchPointer = useMt ? JigglySolverApi.LibDynBoneUpdateMultiThreaded : JigglySolverApi.LibDynBoneUpdateSingleThreaded;
fixed(IntPtr *a = &ourDynBoneUpdateEntryPoint)
MelonUtils.NativeHookAttach((IntPtr)a, ourLastPatchPointer);
MelonLogger.Msg($"Patched DynamicBone Update (multithreaded: {useMt})");
}
else
{
ourLastPatchPointer = JigglySolverApi.DynamicBoneUpdateNotifyPatch;
fixed(IntPtr *a = &ourDynBoneUpdateEntryPoint)
MelonUtils.NativeHookAttach((IntPtr)a, ourLastPatchPointer);
JigglySolverApi.SetOriginalBoneUpdateDelegate(ourDynBoneUpdateEntryPoint);
MelonLogger.Msg($"Patched DynamicBone Update (notify)");
}
}
CheckDummyThree();
enableCollisionChecks.OnValueChanged += (_, v) =>
{
if (v)
PatchCollide(); }