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Fix Unlock Fps Attempt 2

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This commit is contained in:
Lightczx
2024-06-05 16:05:51 +08:00
parent eac67b6f44
commit 32bdfe12af
6 changed files with 54 additions and 13 deletions
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1
src/Snap.Hutao/Snap.Hutao/Service/Game/Unlocker/GameFpsAddress.cs
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@@ -21,7 +21,6 @@ internal static class GameFpsAddress
int offsetToUserAssembly = IndexOfPattern(localModule.UserAssembly.AsSpan());
HutaoException.ThrowIfNot(offsetToUserAssembly >= 0, SH.ServiceGameUnlockerInterestedPatternNotFound);
// Register Instruction Pointer
nuint rip = localModule.UserAssembly.Address + (uint)offsetToUserAssembly;
rip += 5U;
rip += (nuint)(*(int*)(rip + 2U) + 6);

8
src/Snap.Hutao/Snap.Hutao/Service/Game/Unlocker/GameFpsUnlocker.cs
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@@ -3,8 +3,8 @@
using Snap.Hutao.Core.ExceptionService;
using Snap.Hutao.Win32.Foundation;
using Snap.Hutao.Win32.System.LibraryLoader;
using System.Diagnostics;
using System.Runtime.InteropServices;
using static Snap.Hutao.Win32.Kernel32;
namespace Snap.Hutao.Service.Game.Unlocker;
@@ -76,9 +76,9 @@ internal sealed class GameFpsUnlocker : IGameFpsUnlocker
{
string gameFoler = gameFileSystem.GameDirectory;
string dataFoler = gameFileSystem.DataDirectory;
nint unityPlayerAddress = NativeLibrary.Load(System.IO.Path.Combine(gameFoler, "UnityPlayer.dll"));
nint userAssemblyAddress = NativeLibrary.Load(System.IO.Path.Combine(dataFoler, "Native", "UserAssembly.dll"));
LOAD_LIBRARY_FLAGS flags = LOAD_LIBRARY_FLAGS.LOAD_LIBRARY_AS_IMAGE_RESOURCE;
HMODULE unityPlayerAddress = LoadLibraryExW(System.IO.Path.Combine(gameFoler, "UnityPlayer.dll"), default, flags);
HMODULE userAssemblyAddress = LoadLibraryExW(System.IO.Path.Combine(dataFoler, "Native", "UserAssembly.dll"), default, flags);
return new(unityPlayerAddress, userAssemblyAddress);
}

15
src/Snap.Hutao/Snap.Hutao/Service/Game/Unlocker/RequiredLocalModule.cs
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@@ -4,7 +4,6 @@
using Snap.Hutao.Win32.Foundation;
using Snap.Hutao.Win32.System.ProcessStatus;
using System.Diagnostics;
using System.Runtime.InteropServices;
using static Snap.Hutao.Win32.Kernel32;
namespace Snap.Hutao.Service.Game.Unlocker;
@@ -15,21 +14,21 @@ internal readonly struct RequiredLocalModule : IDisposable
public readonly Module UnityPlayer;
public readonly Module UserAssembly;
public RequiredLocalModule(nint unityPlayerAddress, nint userAssemblyAddress)
public RequiredLocalModule(in HMODULE unityPlayer, in HMODULE userAssembly)
{
HasValue = true;
HANDLE process = Process.GetCurrentProcess().Handle;
K32GetModuleInformation(process, unityPlayerAddress, out MODULEINFO upInfo);
UnityPlayer = new((nuint)unityPlayerAddress, upInfo.SizeOfImage);
K32GetModuleInformation(process, unityPlayer, out MODULEINFO upInfo);
UnityPlayer = new((nuint)(nint)unityPlayer, upInfo.SizeOfImage);
K32GetModuleInformation(process, userAssemblyAddress, out MODULEINFO uaInfo);
UserAssembly = new((nuint)userAssemblyAddress, uaInfo.SizeOfImage);
K32GetModuleInformation(process, userAssembly, out MODULEINFO uaInfo);
UserAssembly = new((nuint)(nint)userAssembly, uaInfo.SizeOfImage);
}
public void Dispose()
{
NativeLibrary.Free((nint)UnityPlayer.Address);
NativeLibrary.Free((nint)UserAssembly.Address);
FreeLibrary((nint)UnityPlayer.Address);
FreeLibrary((nint)UserAssembly.Address);
}
}

2
src/Snap.Hutao/Snap.Hutao/Win32/Foundation/HMODULE.cs
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@@ -10,4 +10,6 @@ internal readonly struct HMODULE
public readonly nint Value;
public static unsafe implicit operator HMODULE(nint value) => *(HMODULE*)&value;
public static unsafe implicit operator nint(HMODULE module) => *(nint*)&module;
}

18
src/Snap.Hutao/Snap.Hutao/Win32/Kernel32.cs
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@@ -4,6 +4,7 @@
using Snap.Hutao.Win32.Foundation;
using Snap.Hutao.Win32.Security;
using Snap.Hutao.Win32.System.Console;
using Snap.Hutao.Win32.System.LibraryLoader;
using Snap.Hutao.Win32.System.ProcessStatus;
using System.Diagnostics;
using System.Runtime.InteropServices;
@@ -41,6 +42,10 @@ internal static class Kernel32
[DllImport("KERNEL32.dll", CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
public static extern BOOL FreeConsole();
[DllImport("KERNEL32.dll", CallingConvention = CallingConvention.Winapi, ExactSpelling = true, SetLastError = true)]
[SupportedOSPlatform("windows5.1.2600")]
public static extern BOOL FreeLibrary(HMODULE hLibModule);
[DllImport("KERNEL32.dll", CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
public static unsafe extern BOOL GetConsoleMode(HANDLE hConsoleHandle, CONSOLE_MODE* lpMode);
@@ -96,6 +101,19 @@ internal static class Kernel32
}
}
[DllImport("KERNEL32.dll", CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
[SupportedOSPlatform("windows5.1.2600")]
public static extern HMODULE LoadLibraryExW(PCWSTR lpLibFileName, [AllowNull] HANDLE hFile, LOAD_LIBRARY_FLAGS dwFlags);
[DebuggerStepThrough]
public static unsafe HMODULE LoadLibraryExW(ReadOnlySpan<char> libFileName, [AllowNull] HANDLE hFile, LOAD_LIBRARY_FLAGS dwFlags)
{
fixed (char* lpLibFileName = libFileName)
{
return LoadLibraryExW(lpLibFileName, hFile, dwFlags);
}
}
[DllImport("KERNEL32.dll", CallingConvention = CallingConvention.Winapi, ExactSpelling = true)]
[SupportedOSPlatform("windows5.1.2600")]
public static unsafe extern BOOL ReadProcessMemory(HANDLE hProcess, void* lpBaseAddress, void* lpBuffer, nuint nSize, [MaybeNull] nuint* lpNumberOfBytesRead);

23
src/Snap.Hutao/Snap.Hutao/Win32/System/LibraryLoader/Class1.cs Normal file
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@@ -0,0 +1,23 @@
// Copyright (c) DGP Studio. All rights reserved.
// Licensed under the MIT license.
namespace Snap.Hutao.Win32.System.LibraryLoader;
[Flags]
internal enum LOAD_LIBRARY_FLAGS : uint
{
DONT_RESOLVE_DLL_REFERENCES = 1u,
LOAD_LIBRARY_AS_DATAFILE = 2u,
LOAD_WITH_ALTERED_SEARCH_PATH = 8u,
LOAD_IGNORE_CODE_AUTHZ_LEVEL = 0x10u,
LOAD_LIBRARY_AS_IMAGE_RESOURCE = 0x20u,
LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE = 0x40u,
LOAD_LIBRARY_REQUIRE_SIGNED_TARGET = 0x80u,
LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR = 0x100u,
LOAD_LIBRARY_SEARCH_APPLICATION_DIR = 0x200u,
LOAD_LIBRARY_SEARCH_USER_DIRS = 0x400u,
LOAD_LIBRARY_SEARCH_SYSTEM32 = 0x800u,
LOAD_LIBRARY_SEARCH_DEFAULT_DIRS = 0x1000u,
LOAD_LIBRARY_SAFE_CURRENT_DIRS = 0x2000u,
LOAD_LIBRARY_SEARCH_SYSTEM32_NO_FORWARDER = 0x4000u
}