misc: Overhaul DirtyHacks saving to support storing a value alongside an off/off flag.

src/Ryujinx.Common/BitTricks.cs

@@ -0,0 +1,35 @@
+namespace Ryujinx.Common
+{
+    public class BitTricks
+    {
+        // Never actually written bit packing logic before, so I looked it up.
+        // This code is from https://gist.github.com/Alan-FGR/04938e93e2bffdf5802ceb218a37c195
+        
+        public static ulong PackBitFields(uint[] values, byte[] bitFields)
+        {
+            ulong retVal = values[0]; //we set the first value right away
+            for (int f = 1; f < values.Length; f++)
+            {
+                retVal <<= bitFields[f]; // we shift the previous value
+                retVal += values[f];// and add our current value
+            }
+            return retVal;
+        }
+
+        public static uint[] UnpackBitFields(ulong packed, byte[] bitFields)
+        {
+            int fields = bitFields.Length - 1; // number of fields to unpack
+            uint[] retArr = new uint[fields + 1]; // init return array
+            int curPos = 0; // current field bit position (start)
+            int lastEnd; // position where last field ended
+            for (int f = fields; f >= 0; f--) // loop from last
+            {
+                lastEnd = curPos; // we store where the last value ended
+                curPos += bitFields[f]; // we get where the current value starts
+                int leftShift = 64 - curPos; // we figure how much left shift we gotta apply for the other numbers to overflow into oblivion
+                retArr[f] = (uint)((packed << leftShift) >> leftShift + lastEnd); // we do magic
+            }
+            return retArr;
+        }
+    }
+}

src/Ryujinx.Common/Configuration/DirtyHacks.cs

@@ -1,11 +1,52 @@
 using System;
+using System.Collections.Generic;
+using System.Linq;
 
 namespace Ryujinx.Common.Configuration
 {
     [Flags]
-    public enum DirtyHacks
+    public enum DirtyHacks : byte
     {
-        None = 0,
-        Xc2MenuSoftlockFix = 1 << 10
+        Xc2MenuSoftlockFix = 1,
+        ShaderCompilationThreadSleep = 2
+    }
+
+    public record EnabledDirtyHack(DirtyHacks Hack, int Value)
+    {
+        private static readonly byte[] _packedFormat = [8, 32];
+        
+        public ulong Pack() => BitTricks.PackBitFields([(uint)Hack, (uint)Value], _packedFormat);
+
+        public static EnabledDirtyHack FromPacked(ulong packedHack)
+        {
+            var unpackedFields = BitTricks.UnpackBitFields(packedHack, _packedFormat);
+            if (unpackedFields is not [var hack, var value])
+                throw new ArgumentException(nameof(packedHack));
+            
+            return new EnabledDirtyHack((DirtyHacks)hack, (int)value);
+        }
+    }
+
+    public class DirtyHackCollection : Dictionary<DirtyHacks, int>
+    {
+        public DirtyHackCollection(EnabledDirtyHack[] hacks)
+        {
+            foreach ((DirtyHacks dirtyHacks, int value) in hacks)
+            {
+                Add(dirtyHacks, value);
+            }
+        }
+        
+        public DirtyHackCollection(ulong[] packedHacks)
+        {
+            foreach ((DirtyHacks dirtyHacks, int value) in packedHacks.Select(EnabledDirtyHack.FromPacked))
+            {
+                Add(dirtyHacks, value);
+            }
+        }
+
+        public new int this[DirtyHacks hack] => TryGetValue(hack, out var value) ? value : -1;
+
+        public bool IsEnabled(DirtyHacks hack) => ContainsKey(hack);
     }
 }