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Patches/MemoryWindows.cs

@@ -0,0 +1,34 @@
+using System.Diagnostics;
+using System.Runtime.InteropServices;
+
+namespace WeaponPaints;
+
+public static class MemoryWindows
+{
+    [DllImport("kernel32.dll", SetLastError = true)]
+    static extern bool WriteProcessMemory(IntPtr hProcess, IntPtr lpBaseAddress, byte[] lpBuffer, uint nSize, out IntPtr lpNumberOfBytesWritten);
+    
+    public static void PatchBytesAtAddress(IntPtr pPatchAddress, byte[] pPatch, int iPatchSize)
+    {
+        if(!RuntimeInformation.IsOSPlatform(OSPlatform.Windows)) return;
+        
+        IntPtr bytesWritten;
+        WriteProcessMemory(Process.GetCurrentProcess().Handle, pPatchAddress, pPatch, (uint)iPatchSize, out bytesWritten);
+    }
+    
+    [DllImport("kernel32.dll", SetLastError = true)]
+    private static extern IntPtr OpenProcess(int processAccess, bool bInheritHandle, int processId);
+
+    [DllImport("kernel32.dll", SetLastError = true)]
+    private static extern bool ReadProcessMemory(IntPtr hProcess, IntPtr lpBaseAddress, [Out] byte[] lpBuffer, int dwSize, out int lpNumberOfBytesRead);
+    
+    public static byte[]? ReadMemory(IntPtr address, int size)
+    {
+        if(!RuntimeInformation.IsOSPlatform(OSPlatform.Windows)) return null;
+        
+        byte[] buffer = new byte[size];
+        int bytesRead;
+        ReadProcessMemory(Process.GetCurrentProcess().Handle, address, buffer, size, out bytesRead);
+        return buffer;
+    }
+}