Started serializing bunches

src/Prospect.Unreal/Net/Packets/Header/Sequence/SequenceHistory.cs

@@ -0,0 +1,46 @@
+using Prospect.Unreal.Serialization;
+
+namespace Prospect.Unreal.Net.Packets.Header.Sequence;
+
+public readonly struct SequenceHistory
+{
+    // Hardcoded values for FNetPacketNotify
+    public const uint HistorySize = FNetPacketNotify.MaxSequenceHistoryLength;
+
+    public const uint BitsPerWord = sizeof(uint) * 8;
+    public const uint WordCount = HistorySize / BitsPerWord;
+    public const uint MaxSizeInBits = WordCount * BitsPerWord;
+    public const uint Size = HistorySize;
+
+    private readonly uint[] _storage;
+
+    public SequenceHistory()
+    {
+        _storage = new uint[WordCount];
+    }
+    
+    public void Read(FBitReader reader, uint numWords)
+    {
+        numWords = Math.Min(numWords, WordCount);
+        for (var i = 0; i < numWords; i++)
+        {
+            _storage[i] = reader.ReadUInt32();
+        }
+    }
+
+    public void Reset()
+    {
+        for (var i = 0; i < _storage.Length; i++)
+        {
+            _storage[i] = 0;
+        }
+    }
+
+    public bool IsDelivered(int index)
+    {
+        var wordIndex = (int)(index / BitsPerWord);
+        var wordMask = 1 << (int)(index & (BitsPerWord - 1));
+
+        return (_storage[wordIndex] & wordMask) != 0;
+    }
+}