wip

Ragon.Core/Game/EntityStateProperty.cs

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+using System;
+using Ragon.Common;
+
+namespace Ragon.Core.Game;
+
+public class EntityStateProperty
+{
+    public int Size { get; set; }
+    public int Capacity { get; set; }
+    public bool IsDirty { get; private set; }
+    public bool IsFixed { get; private set; }
+    private byte[] _data;
+
+    public EntityStateProperty(int size, bool isFixed)
+    {
+        Capacity = 512;
+        Size = size;
+        IsFixed = isFixed;
+        IsDirty = true;
+        
+        _data = new byte[Capacity];
+    }
+    
+    public ReadOnlySpan<byte> Read()
+    {
+        var dataSpan = _data.AsSpan();
+        
+        return dataSpan.Slice(0, Size);
+    }
+
+    public void Write(ref ReadOnlySpan<byte> src)
+    {
+        src.CopyTo(_data);
+        IsDirty = true;
+    }
+  
+    public void Clear()
+    {
+        IsDirty = false;
+    }
+}