From 05a5ee3210620a53bdd058ba2e858e4c217980d1 Mon Sep 17 00:00:00 2001
From: 34736384 <34736384@users.noreply.github.com>
Date: Tue, 12 Mar 2024 23:47:54 -0400
Subject: [PATCH] fix pattern scan

---
 unlockfps_nc/Utility/ProcessUtils.cs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/unlockfps_nc/Utility/ProcessUtils.cs b/unlockfps_nc/Utility/ProcessUtils.cs
index 4f2693f..615eff9 100644
--- a/unlockfps_nc/Utility/ProcessUtils.cs
+++ b/unlockfps_nc/Utility/ProcessUtils.cs
@@ -72,9 +72,11 @@ public static unsafe IntPtr PatternScan(IntPtr module, string signature)
         {
             var tokens = signature.Split(' ');
             var patternBytes = tokens
-                .ToList()
                 .Select(x => x == "?" ? (byte)0xFF : Convert.ToByte(x, 16))
                 .ToArray();
+            var maskBytes = tokens
+                .Select(x => x == "?")
+                .ToArray();
 
             var dosHeader = Marshal.PtrToStructure<IMAGE_DOS_HEADER>(module);
             var ntHeader = Marshal.PtrToStructure<IMAGE_NT_HEADERS>((IntPtr)(module.ToInt64() + dosHeader.e_lfanew));
@@ -90,7 +92,7 @@ public static unsafe IntPtr PatternScan(IntPtr module, string signature)
                 var found = true;
                 for (var j = 0; j < s; j++)
                 {
-                    if (d[j] != scanBytes[i + j] && d[j] != 0xFF)
+                    if (d[j] != scanBytes[i + j] && !maskBytes[j])
                     {
                         found = false;
                         break;