Updated Archetype

Ghost.ArcEntities/Component.cs

@@ -5,34 +5,50 @@ using System.Runtime.CompilerServices;
 
 namespace Ghost.ArcEntities;
 
-internal struct ComponentInfo
+public struct ComponentInfo
 {
     public int size;
     public int alignment;
     public int id;
 }
 
-internal static unsafe class ComponentType<T>
+internal static unsafe class ComponentTypeID<T>
     where T : unmanaged
 {
-    public static readonly int Size = sizeof(T);
-    public static readonly int Alignment = (int)MemoryUtility.AlignOf<T>();
-    public static readonly int id = ComponentRegister.s_nextComponentTypeID++;
-
-    public static ComponentInfo GetInfo()
-    {
-        return new ComponentInfo
-        {
-            size = Size,
-            alignment = Alignment,
-            id = id
-        };
-    }
+    public static readonly int value = ComponentRegister.s_nextComponentTypeID++;
 }
 
-internal class ComponentRegister
+internal static class ComponentRegister
 {
     internal static int s_nextComponentTypeID = 0;
+    internal static List<ComponentInfo> s_registeredComponents = new();
+
+    internal unsafe static int GetOrRegisterComponent<T>()
+        where T : unmanaged
+    {
+        var typeId = ComponentTypeID<T>.value;
+        while (s_registeredComponents.Count <= typeId)
+        {
+            s_registeredComponents.Add(default);
+        }
+
+        if (s_registeredComponents[typeId].size == 0)
+        {
+            s_registeredComponents[typeId] = new ComponentInfo
+            {
+                size = sizeof(T),
+                alignment = (int)MemoryUtility.AlignOf<T>(),
+                id = typeId
+            };
+        }
+
+        return typeId;
+    }
+
+    internal static ComponentInfo GetComponentInfo(int typeId)
+    {
+        return s_registeredComponents[typeId];
+    }
 }
 
 internal unsafe struct Chuck : IDisposable
@@ -43,7 +59,12 @@ internal unsafe struct Chuck : IDisposable
     private int _count;
     private int _capacity;
 
-    public int Count => _count;
+    public int Count
+    {
+        get => _count;
+        set => _count = value;
+    }
+
     public int Capacity => _capacity;
 
     public Chuck(int size, int capacity)