Rework component ids

Remove WorldMetaStorage

src/EcsAspect.cs

@@ -257,7 +257,7 @@ namespace DCFApixels.DragonECS
         }
         internal class DebuggerProxy
         {
-            public readonly Type worldType;
+            public readonly EcsWorld world;
             public readonly int worldID;
             public readonly int[] included;
             public readonly int[] excluded;
@@ -265,11 +265,11 @@ namespace DCFApixels.DragonECS
             public readonly Type[] excludedTypes;
             public DebuggerProxy(EcsMask mask)
             {
-                worldType = WorldMetaStorage.GetWorldType(mask.worldID);
+                world = EcsWorld.GetWorld(mask.worldID);
                 worldID = mask.worldID;
                 included = mask.inc;
                 excluded = mask.exc;
-                Type converter(int o) => WorldMetaStorage.GetComponentType(worldID, o);
+                Type converter(int o) => world.GetComponentType(o);
                 includedTypes = included.Select(converter).ToArray();
                 excludedTypes = excluded.Select(converter).ToArray();
             }

src/EcsWorld.cache.cs

@@ -19,23 +19,6 @@ namespace DCFApixels.DragonECS
                 component = default;
             }
         }
-        private TPool CreatePool<TPool>() where TPool : IEcsPoolImplementation, new()
-        {
-            int index = WorldMetaStorage.GetPoolID<TPool>(_worldTypeID);
-            if (index >= _pools.Length)
-            {
-                int oldCapacity = _pools.Length;
-                Array.Resize(ref _pools, _pools.Length << 1);
-                ArrayUtility.Fill(_pools, _nullPool, oldCapacity, oldCapacity - _pools.Length);
-            }
-            if (_pools[index] == _nullPool)
-            {
-                var pool = new TPool();
-                _pools[index] = pool;
-                pool.OnInit(this, index);
-            }
-            return (TPool)_pools[index];
-        }
         internal readonly struct AspectCache<T> : IEcsWorldComponent<AspectCache<T>>
             where T : EcsAspect
         {

src/EcsWorld.cs

@@ -10,9 +10,6 @@ namespace DCFApixels.DragonECS
     {
         public readonly short id;
 
-        private Type _worldType;
-        private int _worldTypeID;
-
         private bool _isDestroyed;
 
         private IntDispenser _entityDispenser;
@@ -25,9 +22,6 @@ namespace DCFApixels.DragonECS
         private int[] _delEntBuffer;
         private int _delEntBufferCount;
 
-        internal IEcsPoolImplementation[] _pools;
-        private EcsNullPool _nullPool = EcsNullPool.instance;
-
         private List<WeakReference<EcsGroup>> _groups = new List<WeakReference<EcsGroup>>();
         private Stack<EcsGroup> _groupsPool = new Stack<EcsGroup>(64);
 
@@ -36,7 +30,6 @@ namespace DCFApixels.DragonECS
 
         #region Properties
         public bool IsDestroyed => _isDestroyed;
-        public int WorldTypeID => _worldTypeID;
         public int Count => _entitiesCount;
         public int Capacity => _entitesCapacity; //_denseEntities.Length;
         public EcsReadonlyGroup Entities => _allEntites.Readonly;
@@ -51,15 +44,12 @@ namespace DCFApixels.DragonECS
 
             if (isIndexable)
             {
-                id = (short)_worldIdDispenser.GetFree();
+                id = (short)_worldIdDispenser.UseFree();
                 if (id >= Worlds.Length)
                     Array.Resize(ref Worlds, Worlds.Length << 1);
                 Worlds[id] = this;
             }
 
-            _worldType = this.GetType();
-            _worldTypeID = WorldMetaStorage.GetWorldID(_worldType);
-
             _entityDispenser = new IntDispenser(0);
             _pools = new IEcsPoolImplementation[512];
             ArrayUtility.Fill(_pools, _nullPool);
@@ -83,42 +73,15 @@ namespace DCFApixels.DragonECS
             ReleaseData(id);
             _worldIdDispenser.Release(id);
             _isDestroyed = true;
+            _poolIds = null;
+            _componentIds = null;
         }
         #endregion
 
-        #region ComponentInfo
-        public int GetComponentID<T>() => WorldMetaStorage.GetComponentID<T>(_worldTypeID);
-        public int GetComponentID(Type type) => WorldMetaStorage.GetComponentID(type, _worldTypeID);
-        public Type GetComponentType(int componentID) => WorldMetaStorage.GetComponentType(_worldTypeID, componentID);
-        public bool IsComponentTypeDeclared<T>() => IsComponentTypeDeclared(typeof(T));
-        public bool IsComponentTypeDeclared(Type type) => WorldMetaStorage.IsComponentTypeDeclared(_worldTypeID, type);
-        #endregion
-
         #region Getters
 #if UNITY_2020_3_OR_NEWER
         [UnityEngine.Scripting.Preserve]
 #endif
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public TPool GetPool<TPool>() where TPool : IEcsPoolImplementation, new()
-        {
-            return Get<PoolCache<TPool>>().instance;
-        }
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public TPool UncheckedGetPool<TPool>() where TPool : IEcsPoolImplementation, new()
-        {
-            return UncheckedGet<PoolCache<TPool>>().instance;
-        }
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static TPool GetPool<TPool>(int worldID) where TPool : IEcsPoolImplementation, new()
-        {
-            return Get<PoolCache<TPool>>(worldID).instance;
-        }
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static TPool UncheckedGetPool<TPool>(int worldID) where TPool : IEcsPoolImplementation, new()
-        {
-            return UncheckedGet<PoolCache<TPool>>(worldID).instance;
-        }
-
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public TAspect GetAspect<TAspect>() where TAspect : EcsAspect
         {

src/EcsWorld.pools.cs

@@ -0,0 +1,107 @@
+using DCFApixels.DragonECS.Internal;
+using DCFApixels.DragonECS.Utils;
+using System;
+using System.Linq;
+using System.Runtime.CompilerServices;
+
+namespace DCFApixels.DragonECS
+{
+    public abstract partial class EcsWorld
+    {
+        private SparseArray<int> _poolIds = new SparseArray<int>();
+        private SparseArray<int> _componentIds = new SparseArray<int>();
+        private int _poolsCount;
+        internal IEcsPoolImplementation[] _pools;
+        private EcsNullPool _nullPool = EcsNullPool.instance;
+
+        #region ComponentInfo
+        public int GetComponentID<T>() => DeclareComponentType(EcsTypeCode.Get<T>());
+        public int GetComponentID(Type type) => DeclareComponentType(EcsTypeCode.Get(type));
+        public bool IsComponentTypeDeclared<T>() => _componentIds.Contains(EcsTypeCode.Get<T>());
+        public bool IsComponentTypeDeclared(Type type) => _componentIds.Contains(EcsTypeCode.Get(type));
+        public Type GetComponentType(int componentID) => _pools[componentID].ComponentType;
+        #endregion
+
+        #region Getters
+
+#if UNITY_2020_3_OR_NEWER
+        [UnityEngine.Scripting.Preserve]
+#endif
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public TPool GetPool<TPool>() where TPool : IEcsPoolImplementation, new()
+        {
+            return Get<PoolCache<TPool>>().instance;
+        }
+#if UNITY_2020_3_OR_NEWER
+        [UnityEngine.Scripting.Preserve]
+#endif
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public TPool UncheckedGetPool<TPool>() where TPool : IEcsPoolImplementation, new()
+        {
+            return UncheckedGet<PoolCache<TPool>>().instance;
+        }
+#if UNITY_2020_3_OR_NEWER
+        [UnityEngine.Scripting.Preserve]
+#endif
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static TPool GetPool<TPool>(int worldID) where TPool : IEcsPoolImplementation, new()
+        {
+            return Get<PoolCache<TPool>>(worldID).instance;
+        }
+#if UNITY_2020_3_OR_NEWER
+        [UnityEngine.Scripting.Preserve]
+#endif
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static TPool UncheckedGetPool<TPool>(int worldID) where TPool : IEcsPoolImplementation, new()
+        {
+            return UncheckedGet<PoolCache<TPool>>(worldID).instance;
+        }
+        #endregion
+
+        #region Declare/Create
+        private int DeclareComponentType(int typeCode)
+        {
+            if (!_componentIds.TryGetValue(typeCode, out int componentId))
+            {
+                componentId = _poolsCount++;
+                _componentIds.Add(typeCode, componentId);
+            }
+            return componentId;
+        }
+        private TPool CreatePool<TPool>() where TPool : IEcsPoolImplementation, new()
+        {
+            if (_poolIds.Contains(EcsTypeCode.Get<TPool>()))
+                throw new EcsFrameworkException("The pool has already been created.");
+
+            Type componentType = typeof(TPool).GetInterfaces().First(o => o.IsGenericType && o.GetGenericTypeDefinition() == typeof(IEcsPoolImplementation<>));
+            int componentTypeCode = EcsTypeCode.Get(componentType);
+
+            if (_componentIds.TryGetValue(componentTypeCode, out int componentID))
+            {
+                _poolIds[componentTypeCode] = componentID;
+            }
+            else
+            {
+                componentID = _poolsCount++;
+                _poolIds[componentTypeCode] = componentID;
+                _componentIds[componentTypeCode] = componentID;
+            }
+
+            if (_poolsCount >= _pools.Length)
+            {
+                int oldCapacity = _pools.Length;
+                Array.Resize(ref _pools, _pools.Length << 1);
+                ArrayUtility.Fill(_pools, _nullPool, oldCapacity, oldCapacity - _pools.Length);
+            }
+
+            if (_pools[componentID] == _nullPool)
+            {
+                var pool = new TPool();
+                _pools[componentID] = pool;
+                pool.OnInit(this, componentID);
+            }
+            return (TPool)_pools[componentID];
+        }
+        #endregion
+    }
+}

src/EcsWorld.static.cs

@@ -21,7 +21,7 @@ namespace DCFApixels.DragonECS
         private const int DEL_ENT_BUFFER_SIZE_OFFSET = 2;
 
         private static EcsWorld[] Worlds = new EcsWorld[4];
-        private static IntDispenser _worldIdDispenser = new IntDispenser(0);
+        private static IdDispenser _worldIdDispenser = new IdDispenser(0);
 
         private static List<DataReleaser> _dataReleaseres = new List<DataReleaser>();
 
@@ -101,5 +101,8 @@ namespace DCFApixels.DragonECS
             }
         }
     }
-    internal sealed class EcsNullWorld : EcsWorld { }
+    internal sealed class EcsNullWorld : EcsWorld
+    {
+        internal EcsNullWorld() : base(false) { }
+    }
 }

src/Utils/EcsTypeCode.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Runtime.CompilerServices;
 
 namespace DCFApixels.DragonECS
 {
@@ -9,7 +10,8 @@ namespace DCFApixels.DragonECS
         {
             private static readonly Dictionary<Type, int> _codes = new Dictionary<Type, int>();
             private static int _incremetn = 1;
-            public static int GetCode(Type type)
+            public static int Count => _codes.Count;
+            public static int Get(Type type)
             {
                 if (!_codes.TryGetValue(type, out int code))
                 {
@@ -18,10 +20,11 @@ namespace DCFApixels.DragonECS
                 }
                 return code;
             }
-            public static int Count => _codes.Count;
-            internal static class Cache<T>
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            public static int Get<T>() => Cache<T>.code;
+            private static class Cache<T>
             {
-                public static readonly int code = GetCode(typeof(T));
+                public static readonly int code = Get(typeof(T));
             }
         }
     }

src/Utils/IdDispenser.cs

@@ -7,7 +7,7 @@ using System.Collections.Generic;
 using System.Diagnostics;
 using System.Runtime.CompilerServices;
 
-namespace DCFApixels
+namespace DCFApixels.DragonECS.Utils
 {
     [Serializable]
     [DebuggerTypeProxy(typeof(DebuggerProxy))]

src/Utils/SparseArray.cs

@@ -0,0 +1,228 @@
+//SparseArray. Analogous to Dictionary<int, T>, but faster.
+//Benchmark result of indexer.get speed test with 300 elements:
+//[Dictinary: 5.786us] [SparseArray: 2.047us].
+using System;
+using System.Diagnostics.Contracts;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace DCFApixels.DragonECS.Utils
+{
+    public class SparseArray<TValue>
+    {
+        public const int MIN_CAPACITY_BITS_OFFSET = 4;
+        public const int MIN_CAPACITY = 1 << MIN_CAPACITY_BITS_OFFSET;
+        private const int EMPTY = -1;
+
+        private int[] _buckets = Array.Empty<int>();
+        private Entry[] _entries = Array.Empty<Entry>();
+
+        private int _count;
+
+        private int _freeList;
+        private int _freeCount;
+
+        private int _modBitMask;
+
+        #region Properties
+        public TValue this[int keyX, int keyY]
+        {
+            get => _entries[FindEntry((keyX << 32) | keyY)].value;
+            set => Insert(keyX + (keyY << 32), value);
+        }
+        public TValue this[int key]
+        {
+            get => _entries[FindEntry(key)].value;
+            set => Insert(key, value);
+        }
+        public int Count => _count;
+        #endregion
+
+        #region Constructors
+        public SparseArray(int minCapacity = MIN_CAPACITY)
+        {
+            minCapacity = NormalizeCapacity(minCapacity);
+            _buckets = new int[minCapacity];
+            for (int i = 0; i < minCapacity; i++)
+                _buckets[i] = EMPTY;
+            _entries = new Entry[minCapacity];
+            _modBitMask = (minCapacity - 1) & 0x7FFFFFFF;
+        }
+        #endregion
+
+        #region Add/Contains/Remove
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void Add(int keyX, int keyY, TValue value) => Add((keyX << 32) | keyY, value);
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void Add(int key, TValue value)
+        {
+#if DEBUG
+            if (Contains(key))
+                throw new ArgumentException("Contains(hashKey) is true");
+#endif
+            Insert(key, value);
+        }
+
+        public bool Contains(int keyX, int keyY) => FindEntry((keyX << 32) | keyY) >= 0;
+        public bool Contains(int key) => FindEntry(key) >= 0;
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool Remove(int keyX, int keyY) => Remove((keyX << 32) | keyY);
+        public bool Remove(int key)
+        {
+            int bucket = key & _modBitMask;
+            int last = -1;
+            for (int i = _buckets[bucket]; i >= 0; last = i, i = _entries[i].next)
+            {
+                if (_entries[i].hashKey == key)
+                {
+                    if (last < 0)
+                    {
+                        _buckets[bucket] = _entries[i].next;
+                    }
+                    else
+                    {
+                        _entries[last].next = _entries[i].next;
+                    }
+                    _entries[i].next = _freeList;
+                    _entries[i].hashKey = -1;
+                    _entries[i].value = default;
+                    _freeList = i;
+                    _freeCount++;
+                    return true;
+                }
+            }
+            return false;
+        }
+        #endregion
+
+        #region Find/Insert
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private int FindEntry(int key)
+        {
+            for (int i = _buckets[key & _modBitMask]; i >= 0; i = _entries[i].next)
+                if (_entries[i].hashKey == key) return i;
+            return -1;
+        }
+        private void Insert(int key, TValue value)
+        {
+            int targetBucket = key & _modBitMask;
+
+            for (int i = _buckets[targetBucket]; i >= 0; i = _entries[i].next)
+            {
+                if (_entries[i].hashKey == key)
+                {
+                    _entries[i].value = value;
+                    return;
+                }
+            }
+
+            int index;
+            if (_freeCount > 0)
+            {
+                index = _freeList;
+                _freeList = _entries[index].next;
+                _freeCount--;
+            }
+            else
+            {
+                if (_count == _entries.Length)
+                {
+                    Resize();
+                    targetBucket = key & _modBitMask;
+                }
+                index = _count++;
+            }
+
+            _entries[index].next = _buckets[targetBucket];
+            _entries[index].hashKey = key;
+            _entries[index].value = value;
+            _buckets[targetBucket] = index;
+        }
+        #endregion
+
+        #region TryGetValue
+        public bool TryGetValue(int keyX, int keyY, out TValue value)
+        {
+            int index = FindEntry((keyX << 32) | keyY);
+            if (index < 0)
+            {
+                value = default;
+                return false;
+            }
+            value = _entries[index].value;
+            return true;
+        }
+        public bool TryGetValue(int key, out TValue value)
+        {
+            int index = FindEntry(key);
+            if (index < 0)
+            {
+                value = default;
+                return false;
+            }
+            value = _entries[index].value;
+            return true;
+        }
+        #endregion
+
+        #region Clear
+        public void Clear()
+        {
+            if (_count > 0)
+            {
+                for (int i = 0; i < _buckets.Length; i++)
+                {
+                    _buckets[i] = -1;
+                }
+                Array.Clear(_entries, 0, _count);
+                _count = 0;
+            }
+        }
+        #endregion
+
+        #region Resize
+        private void Resize()
+        {
+            int newSize = _buckets.Length << 1;
+            _modBitMask = (newSize - 1) & 0x7FFFFFFF;
+
+            Contract.Assert(newSize >= _entries.Length);
+            int[] newBuckets = new int[newSize];
+            for (int i = 0; i < newBuckets.Length; i++)
+                newBuckets[i] = EMPTY;
+
+            Entry[] newEntries = new Entry[newSize];
+            Array.Copy(_entries, 0, newEntries, 0, _count);
+            for (int i = 0; i < _count; i++)
+            {
+                if (newEntries[i].hashKey >= 0)
+                {
+                    int bucket = newEntries[i].hashKey % newSize;
+                    newEntries[i].next = newBuckets[bucket];
+                    newBuckets[bucket] = i;
+                }
+            }
+            _buckets = newBuckets;
+            _entries = newEntries;
+        }
+
+        private int NormalizeCapacity(int capacity)
+        {
+            int result = MIN_CAPACITY;
+            while (result < capacity) result <<= 1;
+            return result;
+        }
+        #endregion
+
+        #region Utils
+        [StructLayout(LayoutKind.Sequential, Pack = 4)]
+        private struct Entry
+        {
+            public int next;        // Index of next entry, -1 if last
+            public int hashKey;
+            public TValue value;
+        }
+        #endregion
+    }
+}

src/Utils/WorldMetaStorage.cs

@@ -1,184 +0,0 @@
-using DCFApixels.DragonECS.Utils;
-using System;
-using System.Collections.Generic;
-using System.Runtime.CompilerServices;
-
-namespace DCFApixels.DragonECS
-{
-    //TODO этот класс требует переработки, изначально такая конструкция имела хорошую производительность, но сейчас он слишком раздулся
-    internal static class WorldMetaStorage
-    {
-        private static int _tokenCount = 0;
-        private static List<ResizerBase> _resizers = new List<ResizerBase>();
-        private static WorldTypeMeta[] _metas = new WorldTypeMeta[0];
-        private static Dictionary<Type, int> _worldIds = new Dictionary<Type, int>();
-        private static class WorldIndex<TWorldArchetype>
-        {
-            public static int id = GetWorldID(typeof(TWorldArchetype));
-        }
-        private static int GetToken(Type worldType)
-        {
-            WorldTypeMeta meta = new WorldTypeMeta(worldType);
-            meta.id = _tokenCount;
-            Array.Resize(ref _metas, ++_tokenCount);
-            _metas[_tokenCount - 1] = meta;
-
-            foreach (var item in _resizers)
-                item.Resize(_tokenCount);
-            return _tokenCount - 1;
-        }
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static int GetWorldID(Type worldType)
-        {
-            if (!_worldIds.TryGetValue(worldType, out int id))
-            {
-                id = GetToken(worldType);
-                _worldIds.Add(worldType, id);
-            }
-            return id;
-        }
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static Type GetWorldType(int worldTypeID) => _metas[worldTypeID].worldType;
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static int GetWorldID<TWorldArchetype>() => WorldIndex<TWorldArchetype>.id;
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static int GetComponentID<T>(int worldID) => Component<T>.Get(worldID);
-        public static int GetComponentID(Type type, int worldID) => _metas[worldID].GetComponentID(type);
-        public static bool IsComponentTypeDeclared(int worldID, Type type) => _metas[worldID].IsDeclaredComponentType(type);
-        public static Type GetComponentType(int worldID, int componentID) => _metas[worldID].GetComponentType(componentID);
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static int GetPoolID<T>(int worldID) => Pool<T>.Get(worldID);
-
-        private abstract class ResizerBase
-        {
-            public abstract Type Type { get; }
-            public abstract int[] IDS { get; }
-            public abstract void Resize(int size);
-        }
-
-        #region Containers
-        public static class PoolComponentIdArrays
-        {
-            private static Dictionary<Type, int[]> _componentTypeArrayPairs = new Dictionary<Type, int[]>();
-
-            public static int[] GetIdsArray(Type type)
-            {
-                int targetSize = _tokenCount;
-                if (!_componentTypeArrayPairs.TryGetValue(type, out int[] result))
-                {
-                    result = new int[targetSize];
-                    for (int i = 0; i < result.Length; i++)
-                        result[i] = -1;
-                    _componentTypeArrayPairs.Add(type, result);
-                }
-                else
-                {
-                    if (result.Length < targetSize)
-                    {
-                        int oldSize = result.Length;
-                        Array.Resize(ref result, targetSize);
-                        ArrayUtility.Fill(result, -1, oldSize, targetSize);
-                        _componentTypeArrayPairs[type] = result;
-                    }
-                }
-
-                return result;
-            }
-
-            public static int GetComponentID(Type type, int token)
-            {
-                GetIdsArray(type);
-                ref int id = ref _componentTypeArrayPairs[type][token];
-                if (id < 0)
-                    id = _metas[token].DeclareComponentType(type);
-                return id;
-            }
-        }
-        private static class Pool<T>
-        {
-            public static int[] ids;
-            private static Type componentType = typeof(T).GetGenericArguments()[0];
-            static Pool()
-            {
-                ids = PoolComponentIdArrays.GetIdsArray(componentType);
-                _resizers.Add(new Resizer());
-            }
-            [MethodImpl(MethodImplOptions.AggressiveInlining)]
-            public static int Get(int token)
-            {
-                ref int id = ref ids[token];
-                if (id < 0)
-                {
-                    id = PoolComponentIdArrays.GetComponentID(componentType, token);
-                }
-                return id;
-            }
-            private sealed class Resizer : ResizerBase
-            {
-                public override Type Type => typeof(T);
-                public override int[] IDS => ids;
-                public override void Resize(int size)
-                {
-                    ids = PoolComponentIdArrays.GetIdsArray(componentType);
-                }
-            }
-        }
-        private static class Component<T>
-        {
-            public static int[] ids;
-            static Component()
-            {
-                ids = PoolComponentIdArrays.GetIdsArray(typeof(T));
-                _resizers.Add(new Resizer());
-            }
-            [MethodImpl(MethodImplOptions.AggressiveInlining)]
-            public static int Get(int token)
-            {
-                ref int id = ref ids[token];
-                if (id < 0)
-                {
-                    id = PoolComponentIdArrays.GetComponentID(typeof(T), token);
-                }
-                return id;
-            }
-            private sealed class Resizer : ResizerBase
-            {
-                public override Type Type => typeof(T);
-                public override int[] IDS => ids;
-                public override void Resize(int size)
-                {
-                    ids = PoolComponentIdArrays.GetIdsArray(typeof(T));
-                }
-            }
-        }
-        #endregion
-
-        private class WorldTypeMeta
-        {
-            public readonly Type worldType;
-            public int id;
-            public int componentCount;
-            public int worldComponentCount;
-            private Type[] _types = new Type[10];
-            private Dictionary<Type, int> _declaredComponentTypes = new Dictionary<Type, int>();
-
-            public WorldTypeMeta(Type worldType)
-            {
-                this.worldType = worldType;
-            }
-
-            public int DeclareComponentType(Type type)
-            {
-                int id = componentCount++;
-                if (_types.Length <= id)
-                    Array.Resize(ref _types, id + 10);
-                _types[id] = type;
-                _declaredComponentTypes.Add(type, id);
-                return id;
-            }
-            public bool IsDeclaredComponentType(Type type) => _declaredComponentTypes.ContainsKey(type);
-            public Type GetComponentType(int componentID) => _types[componentID];
-            public int GetComponentID(Type type) => PoolComponentIdArrays.GetComponentID(type, id);
-        }
-    }
-}

src/Utils/WorldMetaStorage.cs.meta

@@ -1,11 +0,0 @@
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