update

src/Builtin/BaseRunners.cs

@@ -28,7 +28,7 @@
         public void PreInit(EcsPipeline pipeline)
         {
 #if DEBUG && !DISABLE_DEBUG
-            for (int i = 0; i < targets.Length; i++)
+            for (int i = 0; i < targets.Length && targets.Length <= _markers.Length; i++)
             {
                 using (_markers[i].Auto())
                     targets[i].PreInit(pipeline);
@@ -57,7 +57,7 @@
         public void Init(EcsPipeline pipeline)
         {
 #if DEBUG && !DISABLE_DEBUG
-            for (int i = 0; i < targets.Length; i++)
+            for (int i = 0; i < targets.Length && targets.Length <= _markers.Length; i++)
             {
                 using (_markers[i].Auto())
                     targets[i].Init(pipeline);
@@ -86,7 +86,7 @@
         public void Run(EcsPipeline pipeline)
         {
 #if DEBUG && !DISABLE_DEBUG
-            for (int i = 0; i < targets.Length; i++)
+            for (int i = 0; i < targets.Length && targets.Length <= _markers.Length; i++)
             {
                 using (_markers[i].Auto())
                     targets[i].Run(pipeline);
@@ -116,7 +116,7 @@
         public void Destroy(EcsPipeline pipeline)
         {
 #if DEBUG && !DISABLE_DEBUG
-            for (int i = 0; i < targets.Length; i++)
+            for (int i = 0; i < targets.Length && targets.Length <= _markers.Length; i++)
             {
                 using (_markers[i].Auto())
                     targets[i].Destroy(pipeline);

src/EcsGroup.cs

@@ -11,13 +11,17 @@ namespace DCFApixels.DragonECS
     {
         private readonly EcsGroup _source;
 
-
         #region Constructors
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public EcsReadonlyGroup(EcsGroup source) => _source = source;
         #endregion
 
         #region Properties
+        public IEcsWorld World
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _source.World;
+        }
         public int Count
         {
             [MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -61,6 +65,7 @@ namespace DCFApixels.DragonECS
         {
             _source.World.ReleaseGroup(_source);
         }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         internal EcsGroup GetGroupInternal() => _source;
 
         #endregion
@@ -72,8 +77,8 @@ namespace DCFApixels.DragonECS
     // this collection can only store numbers greater than 0
     public class EcsGroup
     {
-        public const int DEALAYED_ADD = 0;
+        private const int DEALAYED_ADD = 0;
-        public const int DEALAYED_REMOVE = int.MinValue;
+        private const int DEALAYED_REMOVE = int.MinValue;
 
         private IEcsWorld _source;
 
@@ -226,6 +231,7 @@ namespace DCFApixels.DragonECS
         }
         #endregion
 
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         internal void OnWorldResize(int newSize)
         {
             Array.Resize(ref _sparse, newSize);
@@ -243,12 +249,22 @@ namespace DCFApixels.DragonECS
                 }
             }
         }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public void Clear() => _count = 0;
 
         public void CopyFrom(EcsGroup group)
         {
 #if (DEBUG && !DISABLE_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
-            if (group.World != _source) throw new ArgumentException("group.World != World");
+            if (group.World != _source) throw new ArgumentException("groupFilter.World != World");
+#endif
+            Clear();
+            foreach (var item in group)
+                AggressiveAdd(item.id);
+        }
+        public void CopyFrom(EcsReadonlyGroup group)
+        {
+#if (DEBUG && !DISABLE_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
+            if (group.World != _source) throw new ArgumentException("groupFilter.World != World");
 #endif
             Clear();
             foreach (var item in group)
@@ -260,7 +276,17 @@ namespace DCFApixels.DragonECS
         public void AddGroup(EcsGroup group)
         {
 #if (DEBUG && !DISABLE_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
-            if (_source != group.World) throw new ArgumentException("World != group.World");
+            if (_source != group.World) throw new ArgumentException("World != groupFilter.World");
+#endif
+            foreach (var item in group)
+                if (!Contains(item.id))
+                    AggressiveAdd(item.id);
+        }
+        /// <summary>as Union sets</summary>
+        public void AddGroup(EcsReadonlyGroup group)
+        {
+#if (DEBUG && !DISABLE_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
+            if (_source != group.World) throw new ArgumentException("World != groupFilter.World");
 #endif
             foreach (var item in group)
                 if (!Contains(item.id))
@@ -270,7 +296,17 @@ namespace DCFApixels.DragonECS
         public void RemoveGroup(EcsGroup group)
         {
 #if (DEBUG && !DISABLE_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
-            if (_source != group.World) throw new ArgumentException("World != group.World");
+            if (_source != group.World) throw new ArgumentException("World != groupFilter.World");
+#endif
+            foreach (var item in group)
+                if (Contains(item.id))
+                    AggressiveRemove(item.id);
+        }
+        /// <summary>as Except sets</summary>
+        public void RemoveGroup(EcsReadonlyGroup group)
+        {
+#if (DEBUG && !DISABLE_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
+            if (_source != group.World) throw new ArgumentException("World != groupFilter.World");
 #endif
             foreach (var item in group)
                 if (Contains(item.id))
@@ -280,17 +316,39 @@ namespace DCFApixels.DragonECS
         public void AndWith(EcsGroup group)
         {
 #if (DEBUG && !DISABLE_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
-            if (World != group.World) throw new ArgumentException("World != group.World");
+            if (World != group.World) throw new ArgumentException("World != groupFilter.World");
 #endif
             foreach (var item in this)
-                if (group.Contains(item.id))
+                if (!group.Contains(item.id))
+                    AggressiveRemove(item.id);
+        }
+        /// <summary>as Intersect sets</summary>
+        public void AndWith(EcsReadonlyGroup group)
+        {
+#if (DEBUG && !DISABLE_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
+            if (World != group.World) throw new ArgumentException("World != groupFilter.World");
+#endif
+            foreach (var item in this)
+                if (!group.Contains(item.id))
                     AggressiveRemove(item.id);
         }
         /// <summary>as Symmetric Except sets</summary>
         public void XorWith(EcsGroup group)
         {
 #if (DEBUG && !DISABLE_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
-            if (_source != group.World) throw new ArgumentException("World != group.World");
+            if (_source != group.World) throw new ArgumentException("World != groupFilter.World");
+#endif
+            foreach (var item in group)
+                if (Contains(item.id))
+                    AggressiveRemove(item.id);
+                else
+                    AggressiveAdd(item.id);
+        }
+        /// <summary>as Symmetric Except sets</summary>
+        public void XorWith(EcsReadonlyGroup group)
+        {
+#if (DEBUG && !DISABLE_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
+            if (_source != group.World) throw new ArgumentException("World != groupFilter.World");
 #endif
             foreach (var item in group)
                 if (Contains(item.id))
@@ -316,9 +374,9 @@ namespace DCFApixels.DragonECS
                 {
                     delayedOp op = _delayedOps[i];
                     if (op >= 0) //delayedOp.IsAdded
-                        UncheckedAdd(op & int.MaxValue); //delayedOp.EcsEntity
+                        AggressiveAdd(op & int.MaxValue); //delayedOp.EcsEntity
                     else
-                        UncheckedRemove(op & int.MaxValue); //delayedOp.EcsEntity
+                        AggressiveRemove(op & int.MaxValue); //delayedOp.EcsEntity
                 }
             }
         }
@@ -332,7 +390,7 @@ namespace DCFApixels.DragonECS
         #endregion
 
         #region Enumerator
-        public ref struct Enumerator
+        public struct Enumerator : IDisposable
         {
             private readonly EcsGroup _source;
             private readonly int[] _dense;
@@ -359,7 +417,7 @@ namespace DCFApixels.DragonECS
         }
         #endregion
 
-        #region OObject
+        #region Object
         public override string ToString()
         {
             return string.Join(", ", _dense.AsSpan(1, _count).ToArray());

src/EcsMask.cs

@@ -294,6 +294,10 @@ namespace DCFApixels.DragonECS
         internal Type WorldArchetypeType;
         internal int[] Inc;
         internal int[] Exc;
+        public override string ToString()
+        {
+            return $"Inc({string.Join(", ", Inc)}) Exc({string.Join(", ", Exc)})";
+        }
     }
 
 

src/EcsPool.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Runtime.CompilerServices;
 using Unity.Profiling;
+using UnityEngine;
 
 namespace DCFApixels.DragonECS
 {
@@ -9,6 +10,7 @@ namespace DCFApixels.DragonECS
         public Type ComponentType { get; }
         public int ComponentID { get; }
         public IEcsWorld World { get; }
+        public EcsReadonlyGroup Entities { get; }
         public int Count { get; }
         public int Capacity { get; }
         public bool Has(int entityID);
@@ -23,7 +25,7 @@ namespace DCFApixels.DragonECS
     }
 
     public struct NullComponent { }
-    public sealed class EcsNullPool : IEcsPool<NullComponent>
+    public sealed class EcsNullPool : EcsPool, IEcsPool<NullComponent>
     {
         public static EcsNullPool instance => new EcsNullPool(null);
         private readonly IEcsWorld _source;
@@ -32,17 +34,24 @@ namespace DCFApixels.DragonECS
         public Type ComponentType => typeof(NullComponent);
         public int ComponentID => -1;
         public IEcsWorld World => _source;
+        public EcsReadonlyGroup Entities => default;
         public int Count => 0;
         public int Capacity => 1;
         public void Del(int index) { }
-        public bool Has(int index) => false;
+        public override bool Has(int index) => false;
         void IEcsPool.Write(int entityID) { }
         public ref readonly NullComponent Read(int entity) => ref fakeComponent;
         public ref NullComponent Write(int entity) => ref fakeComponent;
         void IEcsPool.OnWorldResize(int newSize) { }
+        internal override void OnWorldResize(int newSize) { }
     }
-
+    public abstract class EcsPool
-    public sealed class EcsPool<T> : IEcsPool<T>
+    {
+        internal EcsGroup entities;
+        public abstract bool Has(int entityID);
+        internal abstract void OnWorldResize(int newSize);
+    }
+    public sealed class EcsPool<T> : EcsPool, IEcsPool<T>
         where T : struct
     {
         private readonly int _componentID;
@@ -55,10 +64,9 @@ namespace DCFApixels.DragonECS
         private int _recycledItemsCount;
 
         private IEcsComponentReset<T> _componentResetHandler;
-
         private PoolRunnres _poolRunnres;
-
         #region Properites
+        public EcsReadonlyGroup Entities => entities.Readonly;
         public int Count => _itemsCount;
         public int Capacity => _items.Length;
         public IEcsWorld World => _source;
@@ -69,6 +77,7 @@ namespace DCFApixels.DragonECS
         #region Constructors
         internal EcsPool(IEcsWorld source, int id, int capacity, PoolRunnres poolRunnres)
         {
+            entities = new EcsGroup(source);
             _source = source;
             _componentID = id;
 
@@ -84,17 +93,19 @@ namespace DCFApixels.DragonECS
         #endregion
 
         #region Write/Read/Has/Del
+        private ProfilerMarker _addMark = new ProfilerMarker("EcsPoo.Add");
         private ProfilerMarker _writeMark = new ProfilerMarker("EcsPoo.Write");
         private ProfilerMarker _readMark = new ProfilerMarker("EcsPoo.Read");
         private ProfilerMarker _hasMark = new ProfilerMarker("EcsPoo.Has");
         private ProfilerMarker _delMark = new ProfilerMarker("EcsPoo.Del");
-        public ref T Write(int entityID)
+        public ref T Add(int entityID)
+        {
+            using (_addMark.Auto())
             {
-            //  using (_writeMark.Auto())
-            // {
                 ref int itemIndex = ref _mapping[entityID];
-            if (itemIndex <= 0) //åñëè 0 òî íàäî äîáàâèòü
+                if (itemIndex <= 0)
                 {
+                    entities.Add(entityID);
                     if (_recycledItemsCount > 0)
                     {
                         itemIndex = _recycledItems[--_recycledItemsCount];
@@ -102,44 +113,49 @@ namespace DCFApixels.DragonECS
                     }
                     else
                     {
-                    itemIndex = _itemsCount++;
+                        itemIndex = ++_itemsCount;
                         if (itemIndex >= _items.Length)
                             Array.Resize(ref _items, _items.Length << 1);
                     }
+
                     _mapping[entityID] = itemIndex;
                     _componentResetHandler.Reset(ref _items[itemIndex]);
-                _source.OnEntityComponentAdded(entityID, _componentID);
                     _poolRunnres.add.OnComponentAdd<T>(entityID);
                 }
-
                 _poolRunnres.write.OnComponentWrite<T>(entityID);
                 return ref _items[itemIndex];
-            // }
+            }
+        }
+        public ref T Write(int entityID)
+        {
+              using (_writeMark.Auto())
+                return ref _items[_mapping[entityID]];
         }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public ref readonly T Read(int entityID)
         {
-            // using (_readMark.Auto())
+             using (_readMark.Auto())
             return ref _items[_mapping[entityID]];
         }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public bool Has(int entityID)
+        public sealed override bool Has(int entityID)
         {
-            // using (_hasMark.Auto())
+             using (_hasMark.Auto())
             return _mapping[entityID] > 0;
         }
         public void Del(int entityID)
         {
-            //using (_delMark.Auto())
+            using (_delMark.Auto())
-            // {
+             {
+            entities.Remove(entityID);
+
             if (_recycledItemsCount >= _recycledItems.Length)
                 Array.Resize(ref _recycledItems, _recycledItems.Length << 1);
             _recycledItems[_recycledItemsCount++] = _mapping[entityID];
             _mapping[entityID] = 0;
             _itemsCount--;
-            _source.OnEntityComponentRemoved(entityID, _componentID);
             _poolRunnres.del.OnComponentDel<T>(entityID);
-            // }
+             }
         } 
         #endregion
 
@@ -156,10 +172,16 @@ namespace DCFApixels.DragonECS
         #endregion
 
         #region Internal
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         void IEcsPool.OnWorldResize(int newSize)
         {
             Array.Resize(ref _mapping, newSize);
         }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal sealed override void OnWorldResize(int newSize)
+        {
+            Array.Resize(ref _mapping, newSize);
+        }
         #endregion
     }
 }

src/EcsQuery.cs

@@ -2,33 +2,53 @@
 using System.Collections.Generic;
 using System.Reflection;
 using System.Runtime.CompilerServices;
+using Unity.Profiling;
+using UnityEngine;
+using UnityEngine.UI;
 
 namespace DCFApixels.DragonECS
 {
     public abstract class EcsQueryBase
     {
-        internal EcsGroup group;
+        internal EcsGroup groupFilter;
         internal EcsQueryMask mask;
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public IEcsWorld World => groupFilter.World;
-        internal void AddEntity(int entityID) => group.Add(entityID);
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        internal void RemoveEntity(int entityID) => group.Remove(entityID);
     }
 
     public abstract class EcsQuery<TWorldArchetype> : EcsQueryBase
         where TWorldArchetype : EcsWorld<TWorldArchetype>
     {
         private int _id;
-
         public int ID => _id;
-        public EcsReadonlyGroup entities
+        private ProfilerMarker _getEnumerator = new ProfilerMarker("EcsQuery.GetEnumerator");
+
+        public EcsGroup.Enumerator GetEnumerator()
         {
-            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            using (_getEnumerator.Auto())
-            get => group.Readonly;
+            {
+                groupFilter.Clear();
+                var pools = World.GetAllPools();
+
+                if (mask.Inc.Length > 0)
+                {
+                    groupFilter.CopyFrom(pools[mask.Inc[0]].entities);
+                    for (int i = 1; i < mask.Inc.Length; i++)
+                    {
+                        groupFilter.AndWith(pools[mask.Inc[i]].entities);
+                    }
+                }
+                else
+                {
+                    groupFilter.CopyFrom(World.Entities);
+                }
+                for (int i = 0; i < mask.Exc.Length; i++)
+                {
+                    groupFilter.RemoveGroup(pools[mask.Exc[i]].entities);
+                }
+                groupFilter.Sort();
+                return groupFilter.GetEnumerator();
+            }
         }
-
-        public EcsGroup.Enumerator GetEnumerator() => group.GetEnumerator();
-
         protected virtual void Init(Builder b) { }
 
         #region Builder
@@ -56,7 +76,7 @@ namespace DCFApixels.DragonECS
                 }
 
                 builder.End(out newQuery.mask);
-                newQuery.group = new EcsGroup(world);
+                newQuery.groupFilter = new EcsGroup(world);
                 return (TQuery)(object)newQuery;
             }
 

src/EcsQueryMember.cs

@@ -8,6 +8,7 @@ namespace DCFApixels.DragonECS
     public interface IEcsQueryMember<TComponent>
             where TComponent : struct
     {
+        public ref TComponent Add(ent entityID);
         public ref TComponent Write(ent entityID);
         public ref readonly TComponent Read(ent entityID);
         public bool Has(ent entityID);
@@ -22,6 +23,8 @@ namespace DCFApixels.DragonECS
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         internal inc(EcsPool<TComponent> pool) => _pool = pool;
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public ref TComponent Add(ent entityID) => ref _pool.Add(entityID.id);
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public ref TComponent Write(ent entityID) => ref _pool.Write(entityID.id);
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public ref readonly TComponent Read(ent entityID) => ref _pool.Read(entityID.id);
@@ -44,6 +47,8 @@ namespace DCFApixels.DragonECS
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         internal exc(EcsPool<TComponent> pool) => _pool = pool;
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public ref TComponent Add(ent entityID) => ref _pool.Add(entityID.id);
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public ref TComponent Write(ent entityID) => ref _pool.Write(entityID.id);
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public ref readonly TComponent Read(ent entityID) => ref _pool.Read(entityID.id);
@@ -66,6 +71,8 @@ namespace DCFApixels.DragonECS
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         internal opt(EcsPool<TComponent> pool) => _pool = pool;
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public ref TComponent Add(ent entityID) => ref _pool.Add(entityID.id);
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public ref TComponent Write(ent entityID) => ref _pool.Write(entityID.id);
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public ref readonly TComponent Read(ent entityID) => ref _pool.Read(entityID.id);

src/EcsWorld.cs

@@ -14,6 +14,7 @@ namespace DCFApixels.DragonECS
         public EcsPipeline Pipeline { get; }
         public int EntitesCount { get; }
         public int EntitesCapacity { get; }
+        public EcsReadonlyGroup Entities => default;
         #endregion
 
         #region Entities
@@ -67,12 +68,11 @@ namespace DCFApixels.DragonECS
         private int _entitiesCount;
         private short[] _gens; //старший бит указывает на то жива ли сущьность.
 
-        //private short[] _componentCounts; //TODO
+        private EcsGroup _allEntites;
-        private IEcsPool[] _pools;
-        private EcsNullPool _nullPool;
 
-        private List<EcsQueryBase>[] _filtersByIncludedComponents;
+        //private short[] _componentCounts; //TODO
-        private List<EcsQueryBase>[] _filtersByExcludedComponents;
+        private EcsPool[] _pools;
+        private EcsNullPool _nullPool;
 
         private EcsQueryBase[] _queries;
 
@@ -109,7 +109,7 @@ namespace DCFApixels.DragonECS
         #endregion
 
         #region GetterMethods
-        public ReadOnlySpan<IEcsPool> GetAllPools() => new ReadOnlySpan<IEcsPool>(_pools);
+        public ReadOnlySpan<EcsPool> GetAllPools() => new ReadOnlySpan<EcsPool>(_pools);
         public int GetComponentID<T>() => ComponentType<T>.uniqueID;
 
         #endregion
@@ -126,6 +126,7 @@ namespace DCFApixels.DragonECS
 
         public int EntitesCount => _entitiesCount;
         public int EntitesCapacity => _denseEntities.Length;
+        public EcsReadonlyGroup Entities => _allEntites.Readonly;
         #endregion
 
         #region Constructors
@@ -135,7 +136,7 @@ namespace DCFApixels.DragonECS
             if (!_pipeline.IsInit) pipline.Init();
             _entityDispenser = new IntDispenser(0);
             _nullPool = EcsNullPool.instance;
-            _pools = new IEcsPool[512];
+            _pools = new EcsPool[512];
             ArrayUtility.Fill(_pools, _nullPool);
 
             _gens = new short[512];
@@ -144,15 +145,14 @@ namespace DCFApixels.DragonECS
 
             _denseEntities = new int[512];
 
-            _filtersByIncludedComponents = new List<EcsQueryBase>[16];
-            _filtersByExcludedComponents = new List<EcsQueryBase>[16];
-
             _poolRunnres = new PoolRunnres(_pipeline);
             _entityCreate = _pipeline.GetRunner<IEcsEntityCreate>();
             _entityDestry = _pipeline.GetRunner<IEcsEntityDestroy>();
             _pipeline.GetRunner<IEcsInject<TWorldArchetype>>().Inject((TWorldArchetype)this);
             _pipeline.GetRunner<IEcsInject<IEcsWorld>>().Inject(this);
             _pipeline.GetRunner<IEcsWorldCreate>().OnWorldCreate(this);
+
+            _allEntites = new EcsGroup(this);
         }
         #endregion
 
@@ -166,9 +166,6 @@ namespace DCFApixels.DragonECS
                 int oldCapacity = _pools.Length;
                 Array.Resize(ref _pools, ComponentType.Capacity);
                 ArrayUtility.Fill(_pools, _nullPool, oldCapacity, oldCapacity - _pools.Length);
-
-                Array.Resize(ref _filtersByIncludedComponents, ComponentType.Capacity);
-                Array.Resize(ref _filtersByExcludedComponents, ComponentType.Capacity);
             }
 
             if (_pools[uniqueID] == _nullPool)
@@ -190,39 +187,6 @@ namespace DCFApixels.DragonECS
             if (_queries[uniqueID] == null)
             {
                 _queries[uniqueID] = EcsQuery<TWorldArchetype>.Builder.Build<TQuery>(this);
-                var mask = _queries[uniqueID].mask;
-                var filter = _queries[uniqueID];
-
-                for (int i = 0; i < mask.Inc.Length; i++)
-                {
-                    int componentID = mask.Inc[i];
-                    var list = _filtersByIncludedComponents[componentID];
-                    if (list == null)
-                    {
-                        list = new List<EcsQueryBase>(8);
-                        _filtersByIncludedComponents[componentID] = list;
-                    }
-                    list.Add(filter);
-                }
-
-                for (int i = 0; i < mask.Exc.Length; i++)
-                {
-                    int componentID = mask.Exc[i];
-                    var list = _filtersByExcludedComponents[componentID];
-                    if (list == null)
-                    {
-                        list = new List<EcsQueryBase>(8);
-                        _filtersByExcludedComponents[componentID] = list;
-                    }
-                    list.Add(filter);
-                }
-                // scan exist entities for compatibility with new filter.
-                for (int i = 0; i < _entitiesCount && _entitiesCount <= _denseEntities.Length; i++)
-                {
-                    int entity = _denseEntities[i];
-                    if (IsMaskCompatible(mask, entity))
-                        filter.AddEntity(entity);
-                }
             }
             query = (TQuery)_queries[uniqueID];
             return query;
@@ -282,71 +246,6 @@ namespace DCFApixels.DragonECS
         }
         #endregion
 
-        #region EntityChangedReact
-
-        void IEcsReadonlyTable.OnEntityComponentAdded(int entityID, int componentID)
-        {
-            var includeList = _filtersByIncludedComponents[componentID];
-            var excludeList = _filtersByExcludedComponents[componentID];
-
-            if (includeList != null)
-            {
-                foreach (var filter in includeList)
-                {
-                    if (IsMaskCompatible(filter.mask, entityID))
-                    {
-                        filter.AddEntity(entityID);
-                    }
-                }
-            }
-            if (excludeList != null)
-            {
-                foreach (var filter in excludeList)
-                {
-                    if (IsMaskCompatibleWithout(filter.mask, entityID, componentID))
-                    {
-                        filter.RemoveEntity(entityID);
-                    }
-                }
-            }
-            //TODO провести стресс тест для варианта выши и закоментированного ниже
-
-        //     if (includeList != null) foreach (var filter in includeList) filter.Add(entityID);
-        //     if (excludeList != null) foreach (var filter in excludeList) filter.Remove(entityID);
-        }
-
-        void IEcsReadonlyTable.OnEntityComponentRemoved(int entityID, int componentID)
-        {
-            var includeList = _filtersByIncludedComponents[componentID];
-            var excludeList = _filtersByExcludedComponents[componentID];
-
-            if (includeList != null)
-            {
-                foreach (var filter in includeList)
-                {
-                    if (IsMaskCompatible(filter.mask, entityID))
-                    {
-                        filter.RemoveEntity(entityID);
-                    }
-                }
-            }
-            if (excludeList != null)
-            {
-                foreach (var filter in excludeList)
-                {
-                    if (IsMaskCompatibleWithout(filter.mask, entityID, componentID))
-                    {
-                        filter.AddEntity(entityID);
-                    }
-                }
-            }
-            //TODO провести стресс тест для варианта выши и закоментированного ниже
-
-        //     if (includeList != null) foreach (var filter in includeList) filter.Remove(entityID);
-        //     if (excludeList != null) foreach (var filter in excludeList) filter.Add(entityID);
-        }
-        #endregion
-
         #region Entity
         public EcsEntity NewEntity()
         {
@@ -366,10 +265,12 @@ namespace DCFApixels.DragonECS
             _gens[entityID] |= short.MinValue;
             EcsEntity entity = new EcsEntity(entityID, _gens[entityID]++, id);
             _entityCreate.OnEntityCreate(entity);
+            _allEntites.Add(entityID);
             return entity;
         }
         public void DelEntity(EcsEntity entity)
         {
+            _allEntites.Remove(entity.id);
             _entityDispenser.Release(entity.id);
             _gens[entity.id] |= short.MinValue;
             _entitiesCount--;
@@ -396,8 +297,6 @@ namespace DCFApixels.DragonECS
             _gens = null;
             _pools = null;
             _nullPool = null;
-            _filtersByIncludedComponents = null;
-            _filtersByExcludedComponents = null;
             _queries = null;
             Realeze();
         }
@@ -476,7 +375,7 @@ namespace DCFApixels.DragonECS
         {
 #if (DEBUG && !DISABLE_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
             if (group.World != this)
-                throw new ArgumentException("group.World != this");
+                throw new ArgumentException("groupFilter.World != this");
 #endif
             group.Clear();
             _pool.Push(group);

src/Entities/EcsEntity.cs

@@ -97,6 +97,12 @@ namespace DCFApixels.DragonECS
             //using (_ReadMarker.Auto())
             return ref EcsWorld.Worlds[world].GetPool<T>().Read(id);
         }
+
+        public ref T Add<T>()
+            where T : struct
+        {
+            return ref EcsWorld.Worlds[world].GetPool<T>().Add(id);
+        }
         public ref T Write<T>()
             where T : struct
         {

src/Entities/ent.cs

@@ -6,7 +6,7 @@ namespace DCFApixels.DragonECS
 #pragma warning disable CS0660, CS0661
     /// <summary>Single frame entity identifier</summary>
     [StructLayout(LayoutKind.Sequential, Pack = 4, Size = 4)]
-    public readonly ref partial struct ent
+    public readonly ref struct ent
     {
         internal readonly int id;
         [MethodImpl(MethodImplOptions.AggressiveInlining)]

src/Interfaces/IEcsReadonlyTable.cs

@@ -14,7 +14,7 @@ namespace DCFApixels.DragonECS
 
         #region Methods
         public EcsPool<T> GetPool<T>() where T : struct;
-        public ReadOnlySpan<IEcsPool> GetAllPools();
+        public ReadOnlySpan<EcsPool> GetAllPools();
         public TQuery Query<TQuery>(out TQuery query) where TQuery : EcsQueryBase;
 
         public int GetComponentID<T>();
@@ -24,8 +24,6 @@ namespace DCFApixels.DragonECS
         #endregion
 
         #region Internal Methods
-        internal void OnEntityComponentAdded(int entityID, int componentID);
-        internal void OnEntityComponentRemoved(int entityID, int componentID);
         internal void RegisterGroup(EcsGroup group);
         #endregion
     }