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fix pattern matching offset loop

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This commit is contained in:
DismissedLight
2024-07-17 11:09:36 +08:00
parent 6b67811bae
commit 7581cf8c8f
1 changed files with 5 additions and 2 deletions
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7
src/Snap.Hutao/Snap.Hutao/Service/Game/Unlocker/GameFpsAddress.cs
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@@ -20,7 +20,7 @@ internal static class GameFpsAddress
nuint localVirtualAddress = 0;
do
{
int index = IndexOfPattern(executableSpan[offsetToExecutable..]);
int index = IndexOfPattern(executableSpan[offsetToExecutable..], out int patternLength);
if (index < 0)
{
break;
@@ -37,6 +37,8 @@ internal static class GameFpsAddress
localVirtualAddress = rip;
break;
}
offsetToExecutable += patternLength;
}
while (true);
@@ -52,10 +54,11 @@ internal static class GameFpsAddress
context.FpsAddress = remoteModule.Executable.Address + relativeVirtualAddress;
}
private static int IndexOfPattern(in ReadOnlySpan<byte> span)
private static int IndexOfPattern(in ReadOnlySpan<byte> span, out int patternLength)
{
// B9 3C 00 00 00 E8
ReadOnlySpan<byte> part = [0xB9, 0x3C, 0x00, 0x00, 0x00, 0xE8];
patternLength = part.Length;
return span.IndexOf(part);
}
}