Optimization

src/Builtin/BaseRunners.cs

@@ -22,12 +22,12 @@
 
     public sealed class EcsPreInitRunner : EcsRunner<IEcsPreInitSystem>, IEcsPreInitSystem
     {
-#if DEBUG
+#if DEBUG && !DISABLE_DRAGONECS_DEBUG
         private EcsProfilerMarker[] _markers;
 #endif
         public void PreInit(EcsPipeline pipeline)
         {
-#if DEBUG
+#if DEBUG && !DISABLE_DRAGONECS_DEBUG
             for (int i = 0; i < targets.Length; i++)
             {
                 using (_markers[i].Auto())
@@ -38,7 +38,7 @@
 #endif
         }
 
-#if DEBUG
+#if DEBUG && !DISABLE_DRAGONECS_DEBUG
         protected override void OnSetup()
         {
             _markers = new EcsProfilerMarker[targets.Length];
@@ -51,12 +51,12 @@
     }
     public sealed class EcsInitRunner : EcsRunner<IEcsInitSystem>, IEcsInitSystem
     {
-#if DEBUG
+#if DEBUG && !DISABLE_DRAGONECS_DEBUG
         private EcsProfilerMarker[] _markers;
 #endif
         public void Init(EcsPipeline pipeline)
         {
-#if DEBUG
+#if DEBUG && !DISABLE_DRAGONECS_DEBUG
             for (int i = 0; i < targets.Length; i++)
             {
                 using (_markers[i].Auto())
@@ -67,7 +67,7 @@
 #endif
         }
 
-#if DEBUG
+#if DEBUG && !DISABLE_DRAGONECS_DEBUG
         protected override void OnSetup()
         {
             _markers = new EcsProfilerMarker[targets.Length];
@@ -80,12 +80,12 @@
     }
     public sealed class EcsRunRunner : EcsRunner<IEcsRunSystem>, IEcsRunSystem
     {
-#if DEBUG
+#if DEBUG && !DISABLE_DRAGONECS_DEBUG
         private EcsProfilerMarker[] _markers;
 #endif
         public void Run(EcsPipeline pipeline)
         {
-#if DEBUG
+#if DEBUG && !DISABLE_DRAGONECS_DEBUG
             for (int i = 0; i < targets.Length; i++)
             {
                 using (_markers[i].Auto())
@@ -97,7 +97,7 @@
 #endif
         }
 
-#if DEBUG
+#if DEBUG && !DISABLE_DRAGONECS_DEBUG
         protected override void OnSetup()
         {
             _markers = new EcsProfilerMarker[targets.Length];
@@ -110,12 +110,12 @@
     }
     public sealed class EcsDestroyRunner : EcsRunner<IEcsDestroySystem>, IEcsDestroySystem
     {
-#if DEBUG
+#if DEBUG && !DISABLE_DRAGONECS_DEBUG
         private EcsProfilerMarker[] _markers;
 #endif
         public void Destroy(EcsPipeline pipeline)
         {
-#if DEBUG
+#if DEBUG && !DISABLE_DRAGONECS_DEBUG
             for (int i = 0; i < targets.Length; i++)
             {
                 using (_markers[i].Auto())
@@ -126,7 +126,7 @@
 #endif
         }
 
-#if DEBUG
+#if DEBUG && !DISABLE_DRAGONECS_DEBUG
         protected override void OnSetup()
         {
             _markers = new EcsProfilerMarker[targets.Length];

src/Builtin/WorldRunners.cs

@@ -0,0 +1,87 @@
+namespace DCFApixels.DragonECS
+{
+    public interface IEcsComponentAdd : IEcsSystem
+    {
+        public void OnComponentAdd<T>(int entityID);
+    }
+    public interface IEcsComponentWrite : IEcsSystem
+    {
+        public void OnComponentWrite<T>(int entityID);
+    }
+    public interface IEcsComponentDel : IEcsSystem
+    {
+        public void OnComponentDel<T>(int entityID);
+    }
+    public interface IEcsComponentLifecycle : IEcsComponentAdd, IEcsComponentWrite, IEcsComponentDel { }
+    public sealed class EcsEntityAddComponentRunner : EcsRunner<IEcsComponentAdd>, IEcsComponentAdd
+    {
+        public void OnComponentAdd<T>(int entityID)
+        {
+            foreach (var item in targets) item.OnComponentAdd<T>(entityID);
+        }
+    }
+    public sealed class EcsEntityChangeComponentRunner : EcsRunner<IEcsComponentWrite>, IEcsComponentWrite
+    {
+        public void OnComponentWrite<T>(int entityID)
+        {
+            foreach (var item in targets) item.OnComponentWrite<T>(entityID);
+        }
+    }
+    public sealed class EcsEntityDelComponentRunner : EcsRunner<IEcsComponentDel>, IEcsComponentDel
+    {
+        public void OnComponentDel<T>(int entityID)
+        {
+            foreach (var item in targets) item.OnComponentDel<T>(entityID);
+        }
+    }
+
+
+    public interface IEcsEntityCreate : IEcsSystem
+    {
+        public void OnEntityCreate(ent entity);
+    }
+    public interface IEcsEntityDestroy : IEcsSystem
+    {
+        public void OnEntityDestroy(ent entity);
+    }
+    public interface IEcsEntityLifecycle : IEcsEntityCreate, IEcsEntityDestroy { }
+    public sealed class EcsEntityCreateRunner : EcsRunner<IEcsEntityCreate>, IEcsEntityCreate
+    {
+        public void OnEntityCreate(ent entity)
+        {
+            foreach (var item in targets) item.OnEntityCreate(entity);
+        }
+    }
+    public sealed class EcsEntityDestroyRunner : EcsRunner<IEcsEntityDestroy>, IEcsEntityDestroy
+    {
+        public void OnEntityDestroy(ent entity)
+        {
+            foreach (var item in targets) item.OnEntityDestroy(entity);
+        }
+    }
+
+
+    public interface IEcsWorldCreate : IEcsSystem
+    {
+        public void OnWorldCreate(IEcsWorld world);
+    }
+    public interface IEcsWorldDestroy : IEcsSystem
+    {
+        public void OnWorldDestroy(IEcsWorld world);
+    }
+    public interface IEcsWorldLifecycle : IEcsWorldCreate, IEcsWorldDestroy { }
+    public sealed class EcsWorldCreateRunner : EcsRunner<IEcsWorldCreate>, IEcsWorldCreate
+    {
+        public void OnWorldCreate(IEcsWorld world)
+        {
+            foreach (var item in targets) item.OnWorldCreate(world);
+        }
+    }
+    public sealed class EcsWorldDestryRunner : EcsRunner<IEcsWorldDestroy>, IEcsWorldDestroy
+    {
+        public void OnWorldDestroy(IEcsWorld world)
+        {
+            foreach (var item in targets) item.OnWorldDestroy(world);
+        }
+    }
+}

src/Builtin/Worlds.cs

@@ -1,5 +1,11 @@
 namespace DCFApixels.DragonECS
 {
-    public sealed class EcsDefaultWrold : EcsWorld<EcsDefaultWrold> { }
-    public sealed class EcsEventWrold : EcsWorld<EcsDefaultWrold> { }
+    public sealed class EcsDefaultWrold : EcsWorld<EcsDefaultWrold>
+    {
+        public EcsDefaultWrold(EcsPipeline pipeline) : base(pipeline) { }
+    }
+    public sealed class EcsEventWrold : EcsWorld<EcsDefaultWrold>
+    {
+        public EcsEventWrold(EcsPipeline pipeline) : base(pipeline) { }
+    }
 }

src/Debug/EcsDebug.cs

@@ -17,7 +17,7 @@ namespace DCFApixels.DragonECS
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public AutoScope Auto() => new AutoScope(id);
 
-        public readonly struct AutoScope : IDisposable
+        public readonly ref struct AutoScope
         {
             private readonly int id;
             public AutoScope(int id)
@@ -43,14 +43,14 @@ namespace DCFApixels.DragonECS
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static void Print(string tag, object v)
         {
-#if !DISABLE_ECS_DEBUG
+#if !DISABLE_DRAGONECS_DEBUG
             DebugService.Instance.Print(tag, v);
 #endif
         }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static int RegisterMark(string name)
         {
-#if !DISABLE_ECS_DEBUG
+#if !DISABLE_DRAGONECS_DEBUG
             return DebugService.Instance.RegisterMark(name);
 #else
             return 0;
@@ -59,21 +59,21 @@ namespace DCFApixels.DragonECS
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static void DeleteMark(string name)
         {
-#if !DISABLE_ECS_DEBUG
+#if !DISABLE_DRAGONECS_DEBUG
             DebugService.Instance.DeleteMark(name);
 #endif
         }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static void ProfileMarkBegin(int id)
         {
-#if !DISABLE_ECS_DEBUG
+#if !DISABLE_DRAGONECS_DEBUG
             DebugService.Instance.ProfileMarkBegin(id);
 #endif
         }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static void ProfileMarkEnd(int id)
         {
-#if !DISABLE_ECS_DEBUG
+#if !DISABLE_DRAGONECS_DEBUG
             DebugService.Instance.ProfileMarkEnd(id);
 #endif
         }
@@ -145,7 +145,7 @@ namespace DCFApixels.DragonECS
 
         public DefaultDebugService()
         {
-#if !DISABLE_ECS_DEBUG
+#if !DISABLE_DRAGONECS_DEBUG
             _stopwatchs = new Stopwatch[64];
             _stopwatchsNames= new string[64];
 #endif

src/EcsFilter.cs

@@ -15,7 +15,7 @@ namespace DCFApixels.DragonECS
     public class EcsFilter : IEcsFilter
     {
         private readonly IEcsWorld _source;
-        private readonly EcsGroup _entities;
+        internal readonly EcsGroup entities;
         private readonly EcsMask _mask;
 
         #region Properties
@@ -32,12 +32,12 @@ namespace DCFApixels.DragonECS
         public EcsReadonlyGroup Entities
         {
             [MethodImpl(MethodImplOptions.AggressiveInlining)]
-            get => _entities.Readonly;
+            get => entities.Readonly;
         }
         public int EntitiesCount
         {
             [MethodImpl(MethodImplOptions.AggressiveInlining)]
-            get => _entities.Count;
+            get => entities.Count;
         }
         #endregion
 
@@ -46,7 +46,7 @@ namespace DCFApixels.DragonECS
         {
             _source = source;
             _mask = mask;
-            _entities = new EcsGroup(source, capasity);
+            entities = new EcsGroup(source, capasity);
         }
         #endregion
 
@@ -54,19 +54,19 @@ namespace DCFApixels.DragonECS
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         internal void Add(int entityID)
         {
-            _entities.Add(entityID);
+            entities.UncheckedAdd(entityID);
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         internal void Remove(int entityID)
         {
-            _entities.Remove(entityID);
+            entities.UncheckedRemove(entityID);
         }
         #endregion
 
         #region GetEnumerator
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public EcsGroup.Enumerator GetEnumerator() => _entities.GetEnumerator();
+        public EcsGroup.Enumerator GetEnumerator() => entities.GetEnumerator();
         #endregion
     }
 }

src/EcsGroup.cs

@@ -17,6 +17,16 @@ namespace DCFApixels.DragonECS
             [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get => _source.Count;
         }
+        public int CapacityDense
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _source.CapacityDense;
+        }
+        public int CapacitySparce
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _source.CapacitySparce;
+        }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public bool Contains(int entityID) => _source.Contains(entityID);
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -51,6 +61,16 @@ namespace DCFApixels.DragonECS
             [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get => _count;
         }
+        public int CapacityDense
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _dense.Length;
+        }
+        public int CapacitySparce
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _sparse.Length;
+        }
         public EcsReadonlyGroup Readonly
         {
             [MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -60,11 +80,29 @@ namespace DCFApixels.DragonECS
 
         #region Constrcutors
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public EcsGroup(IEcsWorld source, int denseCapacity = 64, int sparseCapacity = 256, int delayedOpsCapacity = 128)
+        internal EcsGroup(IEcsWorld source, int denseCapacity, int sparceCapacity, int delayedOpsCapacity)
         {
             _source = source;
+            source.RegisterGroup(this);
             _dense = new int[denseCapacity];
-            _sparse = new int[sparseCapacity];
+            _sparse = new int[sparceCapacity];
+
+            _delayedOps = new delayedOp[delayedOpsCapacity];
+
+            _lockCount = 0;
+            _delayedOpsCount = 0;
+
+            _count = 0;
+        }
+
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public EcsGroup(IEcsWorld source, int denseCapacity = 64, int delayedOpsCapacity = 128)
+        {
+            _source = source;
+            source.RegisterGroup(this);
+            _dense = new int[denseCapacity];
+            _sparse = new int[source.Entities.CapacitySparce];
 
             _delayedOps = new delayedOp[delayedOpsCapacity];
 
@@ -79,12 +117,29 @@ namespace DCFApixels.DragonECS
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public bool Contains(int entityID)
         {
-            return /*entityID > 0 && */ entityID < _sparse.Length && _sparse[entityID] > 0;
+            //TODO добавить проверку на больше 0 в #if (DEBUG && !DISABLE_DRAGONECS_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
+#if (DEBUG && !DISABLE_DRAGONECS_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
+#endif
+            return /*entityID > 0 && entityID < _sparse.Length && */ _sparse[entityID] > 0;
+        }
+        #endregion
+
+        #region IndexOf
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public int IndexOf(int entityID)
+        {
+            return _sparse[entityID];
         }
         #endregion
 
         #region add/remove
+        public void UncheckedAdd(int entityID) => AddInternal(entityID);
         public void Add(int entityID)
+        {
+            if (Contains(entityID)) return;
+            Add(entityID);
+        }
+        private void AddInternal(int entityID)
         {
             if (_lockCount > 0)
             {
@@ -92,40 +147,34 @@ namespace DCFApixels.DragonECS
                 return;
             }
 
-            if (Contains(entityID)) 
-                return;
-
-            if(++_count >= _dense.Length) 
+            if (++_count >= _dense.Length)
                 Array.Resize(ref _dense, _dense.Length << 1);
 
-            if (entityID >= _sparse.Length)
-            {
-                int neadedSpace = _sparse.Length;
-                while (entityID >= neadedSpace) 
-                    neadedSpace <<= 1;
-                Array.Resize(ref _sparse, neadedSpace);
-            }
-
             _dense[_count] = entityID;
             _sparse[entityID] = _count;
         }
 
+        public void UncheckedRemove(int entityID) => RemoveInternal(entityID);
         public void Remove(int entityID)
+        {
+            if (!Contains(entityID)) return;
+            RemoveInternal(entityID);
+        }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private void RemoveInternal(int entityID)
         {
             if (_lockCount > 0)
             {
                 AddDelayedOp(entityID, DEALAYED_REMOVE);
                 return;
             }
-
-            if (!Contains(entityID)) 
-                return;
-
             _dense[_sparse[entityID]] = _dense[_count];
             _sparse[_dense[_count--]] = _sparse[entityID];
             _sparse[entityID] = 0;
         }
 
+
+
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         private void AddDelayedOp(int entityID, int isAddBitFlag)
         {
@@ -137,24 +186,32 @@ namespace DCFApixels.DragonECS
         }
         #endregion
 
-        //TODO добавить автосоритровку при каждом GetEnumerator
+        internal void OnWorldResize(int newSize)
+        {
+            Array.Resize(ref _sparse, newSize);
+        }
+
+        //TODO добавить метод Sort
+
+        //TODO добавить автосоритровку при каждом GetEnumerator и проверить будет ли прирост производительности или ее падение.
+        //Суть в том что так возможно можно будет более плотно подавать данные в проц
 
         #region AddGroup/RemoveGroup
         public void AddGroup(EcsReadonlyGroup group)
         {
-            foreach (var item in group) Add(item.id);
+            foreach (var item in group) UncheckedAdd(item.id);
         }
         public void RemoveGroup(EcsReadonlyGroup group)
         {
-            foreach (var item in group) Remove(item.id);
+            foreach (var item in group) UncheckedRemove(item.id);
         }
         public void AddGroup(EcsGroup group)
         {
-            foreach (var item in group) Add(item.id);
+            foreach (var item in group) UncheckedAdd(item.id);
         }
         public void RemoveGroup(EcsGroup group)
         {
-            foreach (var item in group) Remove(item.id);
+            foreach (var item in group) UncheckedRemove(item.id);
         }
         #endregion
 
@@ -162,7 +219,7 @@ namespace DCFApixels.DragonECS
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         private void Unlock()
         {
-#if DEBUG || !DRAGONECS_NO_SANITIZE_CHECKS
+#if (DEBUG && !DISABLE_DRAGONECS_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
             if (_lockCount <= 0)
             {
                 throw new Exception($"Invalid lock-unlock balance for {nameof(EcsGroup)}.");
@@ -175,11 +232,11 @@ namespace DCFApixels.DragonECS
                     delayedOp op = _delayedOps[i];
                     if (op >= 0) //delayedOp.IsAdded
                     {
-                        Add(op & int.MaxValue); //delayedOp.Entity
+                        UncheckedAdd(op & int.MaxValue); //delayedOp.Entity
                     }
                     else
                     {
-                        Remove(op & int.MaxValue); //delayedOp.Entity
+                        UncheckedRemove(op & int.MaxValue); //delayedOp.Entity
                     }
                 }
             }
@@ -214,7 +271,6 @@ namespace DCFApixels.DragonECS
                 {
                     using (_marker.Auto())
                         return _source.World.GetEntity(_source._dense[_pointer]);
-                    // return _source._dense[_pointer];
                 }
             }
 
@@ -238,4 +294,19 @@ namespace DCFApixels.DragonECS
         }
         #endregion
     }
+
+
+    public static class EcsGroupExtensions
+    {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static void Normalize<T>(this EcsGroup self, ref T[] array)
+        {
+            if (array.Length < self.CapacityDense) Array.Resize(ref array, self.CapacityDense);
+        }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static void Normalize<T>(this EcsReadonlyGroup self, ref T[] array)
+        {
+            if (array.Length < self.CapacityDense) Array.Resize(ref array, self.CapacityDense);
+        }
+    }
 }

src/EcsPipeline.cs

@@ -7,6 +7,21 @@ namespace DCFApixels.DragonECS
 {
     public sealed class EcsPipeline
     {
+        private static EcsPipeline _empty;
+        public static EcsPipeline Empty
+        {
+            get
+            {
+                if(_empty == null)
+                {
+                    _empty = new EcsPipeline(Array.Empty<IEcsSystem>());
+                    _empty.Init();
+                    _empty._isEmptyDummy = true;
+                }
+                return _empty;
+            }
+        }
+
         private IEcsSystem[] _allSystems;
         private Dictionary<Type, IEcsRunner> _runners;
         private IEcsRunSystem _runRunnerCache;
@@ -16,10 +31,12 @@ namespace DCFApixels.DragonECS
 
         private bool _isInit;
         private bool _isDestoryed;
+        private bool _isEmptyDummy;
 
         #region Properties
         public ReadOnlyCollection<IEcsSystem> AllSystems => _allSystemsSealed;
         public ReadOnlyDictionary<Type, IEcsRunner> AllRunners => _allRunnersSealed;
+        public bool IsInit => _isInit;
         public bool IsDestoryed => _isDestoryed;
         #endregion
 
@@ -33,6 +50,7 @@ namespace DCFApixels.DragonECS
             _allRunnersSealed = new ReadOnlyDictionary<Type, IEcsRunner>(_runners);
 
             _isInit = false;
+            _isEmptyDummy = false;
             _isDestoryed = false;
         }
         #endregion
@@ -57,7 +75,10 @@ namespace DCFApixels.DragonECS
         #region LifeCycle
         public void Init()
         {
-            if(_isInit == true)
+            if (_isEmptyDummy)
+                return;
+
+            if (_isInit == true)
             {
                 EcsDebug.Print("[Warning]", $"This {nameof(EcsPipeline)} has already been initialized");
                 return;
@@ -80,7 +101,7 @@ namespace DCFApixels.DragonECS
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public void Run()
         {
-#if DEBUG || !DRAGONECS_NO_SANITIZE_CHECKS
+#if (DEBUG && !DISABLE_DRAGONECS_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
             CheckBeforeInitForMethod(nameof(Run));
             CheckAfterDestroyForMethod(nameof(Run));
 #endif
@@ -88,7 +109,10 @@ namespace DCFApixels.DragonECS
         }
         public void Destroy()
         {
-#if DEBUG || !DRAGONECS_NO_SANITIZE_CHECKS
+            if (_isEmptyDummy)
+                return;
+
+#if (DEBUG && !DISABLE_DRAGONECS_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
             CheckBeforeInitForMethod(nameof(Run));
 #endif
             if (_isDestoryed == true)
@@ -102,7 +126,7 @@ namespace DCFApixels.DragonECS
         #endregion
 
         #region StateChecks
-#if DEBUG || !DRAGONECS_NO_SANITIZE_CHECKS
+#if (DEBUG && !DISABLE_DRAGONECS_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
         private void CheckBeforeInitForMethod(string methodName)
         {
             if (!_isInit)

src/EcsPool.cs

@@ -1,6 +1,8 @@
 using System;
 using System.Linq;
 using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using Unity.Profiling;
 
 namespace DCFApixels.DragonECS
 {
@@ -15,6 +17,8 @@ namespace DCFApixels.DragonECS
         public bool Has(int index);
         public void Write(int index);
         public void Del(int index);
+
+        internal void OnWorldResize(int newSize);
     }
 
     public interface IEcsPool<T> : IEcsPool
@@ -43,6 +47,8 @@ namespace DCFApixels.DragonECS
         public void Del(int index) { }
         public bool Has(int index) => false;
         public void Write(int index) { }
+
+        void IEcsPool.OnWorldResize(int newSize) { }
     }
     
     public class EcsPool<T> : IEcsPool<T>
@@ -50,14 +56,21 @@ namespace DCFApixels.DragonECS
     {
         private readonly int _id;
         private readonly IEcsWorld _source;
-        private readonly SparseSet _sparseSet;
-        private T[] _denseItems;
+      //  private readonly EcsGroup _entities;
+
+        private int[] _mapping;// index = entity / value = itemIndex;/ value = 0 = no entity
+        private T[] _items; //dense
+        private int _itemsCount;
+        private int[] _recycledItems;
+        private int _recycledItemsCount;
 
         private IEcsComponentReset<T> _componentResetHandler;
 
+        private PoolRunnres _poolRunnres;
+
         #region Properites
-        public int EntitiesCount => _sparseSet.Count;
-        public int Capacity => _sparseSet.CapacityDense;
+        public int EntitiesCount => _itemsCount;
+        public int Capacity => _items.Length;
 
         public IEcsWorld World => _source;
         public Type DataType => typeof(T);
@@ -65,47 +78,81 @@ namespace DCFApixels.DragonECS
         #endregion
 
         #region Constructors
-        public EcsPool(IEcsWorld source, int id, int capacity)
+        internal EcsPool(IEcsWorld source, int id, int capacity, PoolRunnres poolRunnres)
         {
             _source = source;
             _id = id;
-            _sparseSet = new SparseSet(capacity, capacity);
 
-            _denseItems =new T[capacity];
+            _mapping = new int[source.EntitesCapacity];
+            _recycledItems = new int[128];
+            _recycledItemsCount = 0;
+            _items =new T[capacity];
+            _itemsCount = 0;
 
             _componentResetHandler = ComponentResetHandler.New<T>();
+            _poolRunnres = poolRunnres;
         }
         #endregion
 
-        #region Read/Write/Has/Del
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public ref readonly T Read(int entity)
+        #region Write/Read/Has/Del
+
+        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)
         {
-            return ref _denseItems[_sparseSet.IndexOf(entity)];
+            //using (_writeMark.Auto())
+            //{
+            ref int itemIndex = ref _mapping[entityID];
+            if (itemIndex <= 0) //åñëè 0 òî íàäî äîáàâèòü
+            {
+                if (_recycledItemsCount > 0)
+                {
+                    itemIndex = _recycledItems[--_recycledItemsCount];
+                    _itemsCount++;
                 }
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public ref T Write(int entity)
+                else
                 {
-            if (!_sparseSet.Contains(entity))
-            {
-                _sparseSet.Add(entity);
-                _sparseSet.Normalize(ref _denseItems);
-                _source.OnEntityComponentAdded(entity, _id);
-                _componentResetHandler.Reset(ref _denseItems[_sparseSet.IndexOf(entity)]);
+                    itemIndex = _itemsCount++;
+                    if (itemIndex >= _items.Length) 
+                        Array.Resize(ref _items, _items.Length << 1);
                 }
-            return ref _denseItems[_sparseSet.IndexOf(entity)];
+                _mapping[entityID] = itemIndex;
+                _componentResetHandler.Reset(ref _items[itemIndex]);
+                _source.OnEntityComponentAdded(entityID, _id);
+                _poolRunnres.add.OnComponentAdd<T>(entityID);
             }
 
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public bool Has(int entity)
-        {
-            return _sparseSet.IndexOf(entity) >= 0;
+            _poolRunnres.write.OnComponentWrite<T>(entityID);
+            return ref _items[itemIndex];
+            // }
         }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public void Del(int entity)
+        public ref readonly T Read(int entityID)
         {
-            _sparseSet.RemoveAt(entity);
-            _source.OnEntityComponentRemoved(entity, _id);
+            //using (_readMark.Auto())
+                return ref _items[_mapping[entityID]];
+        }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool Has(int entityID)
+        {
+            //using (_hasMark.Auto())
+                return _mapping[entityID] > 0;
+        }
+        public void Del(int entityID)
+        {
+            //using (_delMark.Auto())
+            //{
+            if(_recycledItemsCount >= _recycledItems.Length)
+                Array.Resize(ref _recycledItems, _recycledItems.Length << 1);
+            _recycledItems[_recycledItemsCount++] = _mapping[entityID];
+            _mapping[entityID] = 0;
+            _itemsCount--;
+            //_entities.UncheckedRemove(entityID);
+            _source.OnEntityComponentRemoved(entityID, _id);
+            _poolRunnres.del.OnComponentDel<T>(entityID);
+            //}
         }
         #endregion
 
@@ -123,33 +170,10 @@ namespace DCFApixels.DragonECS
         }
         public override int GetHashCode() => _source.GetHashCode() + ID;
         #endregion
-    }
 
-    #region ComponentResetHandler
-    internal static class ComponentResetHandler
+        void IEcsPool.OnWorldResize(int newSize)
         {
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static IEcsComponentReset<T> New<T>()
-        {
-            Type targetType = typeof(T);
-            if (targetType.GetInterfaces().Contains(typeof(IEcsComponentReset<>).MakeGenericType(targetType)))
-            {
-                return (IEcsComponentReset<T>)Activator.CreateInstance(typeof(ComponentResetHandler<>).MakeGenericType(targetType));
-            }
-            return (IEcsComponentReset<T>)Activator.CreateInstance(typeof(ComponentResetDummy<>).MakeGenericType(targetType));
+            Array.Resize(ref _mapping, newSize);
         }
     }
-    internal sealed class ComponentResetDummy<T> : IEcsComponentReset<T>
-    {
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public void Reset(ref T component) => component = default;
-    }
-    internal sealed class ComponentResetHandler<T> : IEcsComponentReset<T>
-        where T : IEcsComponentReset<T>
-    {
-        private T _fakeInstnace = default;
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public void Reset(ref T component) => _fakeInstnace.Reset(ref component);
-    }
-    #endregion
 }

src/EcsRunner.cs

@@ -51,7 +51,7 @@ namespace DCFApixels.DragonECS
                     .Where(type => type.BaseType != null && type.BaseType.IsGenericType && runnerBaseType == type.BaseType.GetGenericTypeDefinition()));
             }
 
-#if DEBUG || !DRAGONECS_NO_SANITIZE_CHECKS
+#if (DEBUG && !DISABLE_DRAGONECS_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
             for (int i = 0; i < runnerHandlerTypes.Count; i++)
             {
                 var e = CheckRunnerValide(runnerHandlerTypes[i]);
@@ -136,7 +136,7 @@ namespace DCFApixels.DragonECS
         private static Type _subclass;
         internal static void Register(Type subclass)
         {
-#if DEBUG || !DRAGONECS_NO_SANITIZE_CHECKS
+#if (DEBUG && !DISABLE_DRAGONECS_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
             if (_subclass != null)
             {
                 throw new EcsRunnerImplementationException($"The Runner<{typeof(TInterface).FullName}> can have only one implementing subclass");

src/EcsWorld.cs

@@ -2,6 +2,8 @@
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Xml;
 
 namespace DCFApixels.DragonECS
 {
@@ -12,9 +14,12 @@ namespace DCFApixels.DragonECS
         public bool IsEmpty { get; }
         public Type ArchetypeType { get; }
         public int ID { get; }
+        public EcsPipeline Pipeline { get; }
+        public int EntitesCount { get; }
+        public int EntitesCapacity { get; }
+        public EcsReadonlyGroup Entities { get; }
         #endregion
 
-
         #region GetterMethods
         public ReadOnlySpan<IEcsPool> GetAllPools();
 
@@ -22,12 +27,13 @@ namespace DCFApixels.DragonECS
 
         #region Methods
         public EcsPool<T> GetPool<T>() where T : struct;
+        public EcsPool<T> UncheckedGetPool<T>() where T : struct;
         public EcsFilter Filter<TInc>() where TInc : struct, IInc;
         public EcsFilter Filter<TInc, TExc>() where TInc : struct, IInc where TExc : struct, IExc;
         public ent NewEntity();
+        public void DelEntity(ent entity);
         public bool EntityIsAlive(int entityID, short gen);
         public ent GetEntity(int entityID);
-        public void DelEntity(int entityID);
         public void Destroy();
 
         public bool IsMaskCompatible(EcsMask mask, int entity);
@@ -35,6 +41,10 @@ namespace DCFApixels.DragonECS
 
         internal void OnEntityComponentAdded(int entityID, int changedPoolID);
         internal void OnEntityComponentRemoved(int entityID, int changedPoolID);
+
+        public int GetComponentID<T>();
+
+        internal void RegisterGroup(EcsGroup group);
         #endregion
     }
 
@@ -48,6 +58,8 @@ namespace DCFApixels.DragonECS
         public EcsWorld()
         {
             id = (short)_worldIdDispenser.GetFree();
+            if(id >= Worlds.Length)
+                Array.Resize(ref Worlds, Worlds.Length << 1);
             Worlds[id] = (IEcsWorld)this;
         }
 
@@ -75,8 +87,19 @@ namespace DCFApixels.DragonECS
 
         private EcsFilter[] _filters;
 
+        private EcsPipeline _pipeline;
+
+        private List<EcsGroup> _groups;
+
+        #region RunnersCache
+        private PoolRunnres _poolRunnres;
+        private IEcsEntityCreate _entityCreate;
+        private IEcsEntityDestroy _entityDestry;
+        #endregion
+
         #region GetterMethods
         public ReadOnlySpan<IEcsPool> GetAllPools() => new ReadOnlySpan<IEcsPool>(_pools);
+        public int GetComponentID<T>() => ComponentType<T>.uniqueID;
 
         #endregion
 
@@ -84,21 +107,38 @@ namespace DCFApixels.DragonECS
         public bool IsEmpty => _entities.Count < 0;
         public Type ArchetypeType => typeof(TArchetype);
         public int ID => id;
+        public EcsPipeline Pipeline => _pipeline;
+
+        public int EntitesCount => _entities.Count;
+        public int EntitesCapacity => _entities.CapacityDense;
+        public EcsReadonlyGroup Entities => _entities.Readonly;
         #endregion
 
         #region Constructors
-        public EcsWorld()
+        public EcsWorld(EcsPipeline pipline = null)
         {
+            _pipeline = pipline ?? EcsPipeline.Empty;
+            if (!_pipeline.IsInit) pipline.Init();
             _entityDispenser = new IntDispenser(1);
             _nullPool = new EcsNullPool(this);
             _pools = new IEcsPool[512];
             FillArray(_pools, _nullPool);
-            //Array.Fill(_pools, _nullPool); //TODO Fix it
+
             _gens = new short[512];
             _filters = new EcsFilter[64];
-            _entities = new EcsGroup(this, 512);
+            _groups = new List<EcsGroup>(128);
+
+            _entities = new EcsGroup(this, 512, 512, 0);
+
             _filtersByIncludedComponents = new List<EcsFilter>[16];
             _filtersByExcludedComponents = new List<EcsFilter>[16];
+
+            _poolRunnres = new PoolRunnres(_pipeline);
+            _entityCreate = _pipeline.GetRunner<IEcsEntityCreate>();
+            _entityDestry = _pipeline.GetRunner<IEcsEntityDestroy>();
+            _pipeline.GetRunner<IEcsInject<TArchetype>>().Inject((TArchetype)this);
+            _pipeline.GetRunner<IEcsInject<IEcsWorld>>().Inject(this);
+            _pipeline.GetRunner<IEcsWorldCreate>().OnWorldCreate(this);
         }
         #endregion
 
@@ -120,11 +160,14 @@ namespace DCFApixels.DragonECS
 
             if (_pools[uniqueID] == _nullPool)
             {
-                _pools[uniqueID] = new EcsPool<T>(this, ComponentType<T>.uniqueID, 512);
+                _pools[uniqueID] = new EcsPool<T>(this, ComponentType<T>.uniqueID, 512, _poolRunnres);
             }
             return (EcsPool<T>)_pools[uniqueID];
         }
-      
+        public EcsPool<T> UncheckedGetPool<T>() where T : struct
+        {
+            return (EcsPool<T>)_pools[ComponentType<T>.uniqueID];
+        }
         #endregion
 
             #region GetFilter
@@ -181,7 +224,6 @@ namespace DCFApixels.DragonECS
                 }
             }
 
-
             return filter;
         }
         #endregion
@@ -189,7 +231,7 @@ namespace DCFApixels.DragonECS
         #region IsMaskCompatible/IsMaskCompatibleWithout
         public bool IsMaskCompatible(EcsMask mask, int entity)
         {
-#if DEBUG || !DRAGONECS_NO_SANITIZE_CHECKS
+#if (DEBUG && !DISABLE_DRAGONECS_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
             if (mask.WorldArchetypeType != typeof(TArchetype))
                 throw new EcsFrameworkException("mask.WorldArchetypeType != typeof(TArchetype)");
 #endif
@@ -208,7 +250,7 @@ namespace DCFApixels.DragonECS
 
         public bool IsMaskCompatibleWithout(EcsMask mask, int entity, int otherComponentID)
         {
-#if DEBUG || !DRAGONECS_NO_SANITIZE_CHECKS
+#if (DEBUG && !DISABLE_DRAGONECS_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
             if (mask.WorldArchetypeType != typeof(TArchetype))
                 throw new EcsFrameworkException("mask.WorldArchetypeType != typeof(TArchetype)");
 #endif
@@ -220,8 +262,8 @@ namespace DCFApixels.DragonECS
             }
             for (int i = 0, iMax = mask.ExcCount; i < iMax; i++)
             {
-                int poolID = mask.Exc[i];
-                if (poolID != otherComponentID && _pools[poolID].Has(entity))
+                int componentID = mask.Exc[i];
+                if (componentID != otherComponentID && _pools[componentID].Has(entity))
                     return false;
             }
             return true;
@@ -234,53 +276,59 @@ namespace DCFApixels.DragonECS
             var includeList = _filtersByIncludedComponents[componentID];
             var excludeList = _filtersByExcludedComponents[componentID];
 
-            if (includeList != null)
-            {
-                foreach (var filter in includeList)
-                {
-                    if (IsMaskCompatible(filter.Mask, entityID))
-                    {
-                        filter.Add(entityID);
-                    }
-                }
-            }
-            if (excludeList != null)
-            {
-                foreach (var filter in excludeList)
-                {
-                    if (IsMaskCompatibleWithout(filter.Mask, entityID, componentID))
-                    {
-                        filter.Remove(entityID);
-                    }
-                }
-            }
+            //if (includeList != null)
+            //{
+            //    foreach (var filter in includeList)
+            //    {
+            //        if (IsMaskCompatible(filter.Mask, entityID))
+            //        {
+            //            filter.Add(entityID);
+            //        }
+            //    }
+            //}
+            //if (excludeList != null)
+            //{
+            //    foreach (var filter in excludeList)
+            //    {
+            //        if (IsMaskCompatibleWithout(filter.Mask, entityID, componentID))
+            //        {
+            //            filter.Remove(entityID);
+            //        }
+            //    }
+            //}
+
+            if (includeList != null) foreach (var filter in includeList) filter.entities.Add(entityID);
+            if (excludeList != null) foreach (var filter in excludeList) filter.entities.Remove(entityID);
         }
 
-        void IEcsWorld.OnEntityComponentRemoved(int entityID, int changedPoolID)
+        void IEcsWorld.OnEntityComponentRemoved(int entityID, int componentID)
         {
-            var includeList = _filtersByIncludedComponents[changedPoolID];
-            var excludeList = _filtersByExcludedComponents[changedPoolID];
+            var includeList = _filtersByIncludedComponents[componentID];
+            var excludeList = _filtersByExcludedComponents[componentID];
 
-            if (includeList != null)
-            {
-                foreach (var filter in includeList)
-                {
-                    if (IsMaskCompatible(filter.Mask, entityID))
-                    {
-                        filter.Remove(entityID);
-                    }
-                }
-            }
-            if (excludeList != null)
-            {
-                foreach (var filter in excludeList)
-                {
-                    if (IsMaskCompatibleWithout(filter.Mask, entityID, changedPoolID))
-                    {
-                        filter.Add(entityID);
-                    }
-                }
-            }
+            //if (includeList != null)
+            //{
+            //    foreach (var filter in includeList)
+            //    {
+            //        if (IsMaskCompatible(filter.Mask, entityID))
+            //        {
+            //            filter.Remove(entityID);
+            //        }
+            //    }
+            //}
+            //if (excludeList != null)
+            //{
+            //    foreach (var filter in excludeList)
+            //    {
+            //        if (IsMaskCompatibleWithout(filter.Mask, entityID, componentID))
+            //        {
+            //            filter.Add(entityID);
+            //        }
+            //    }
+            //}
+
+            if (includeList != null) foreach (var filter in includeList) filter.entities.Remove(entityID);
+            if (excludeList != null) foreach (var filter in excludeList) filter.entities.Add(entityID);
         }
         #endregion
 
@@ -288,23 +336,37 @@ namespace DCFApixels.DragonECS
         public ent NewEntity()
         {
             int entityID = _entityDispenser.GetFree();
-            _entities.Add(entityID);
+            _entities.UncheckedAdd(entityID);
             if (_gens.Length <= entityID)
+            {
                 Array.Resize(ref _gens, _gens.Length << 1);
-            return new ent(entityID, _gens[entityID]++, id);
+                _entities.OnWorldResize(_gens.Length);
+                foreach (var item in _groups)
+                {
+                    item.OnWorldResize(_gens.Length);
                 }
+                foreach (var item in _pools)
+                {
+                    item.OnWorldResize(_gens.Length);
+                }
+            }
+
+            ent entity = new ent(entityID, _gens[entityID]++, id);
+            _entityCreate.OnEntityCreate(entity);
+            return entity;
+        }
+        public void DelEntity(ent entity)
+        {
+            _entityDispenser.Release(entity.id);
+            _entities.UncheckedRemove(entity.id);
+            _entityDestry.OnEntityDestroy(entity);
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public ent GetEntity(int entityID)
         {
-            if (_entities.Contains(entityID) == false)
-                return ent.NULL;
-
             return new ent(entityID, _gens[entityID], id);
         }
-        public void DelEntity(int entityID)
-        {
-            _entityDispenser.Release(entityID);
-            _entities.Remove(entityID);
-        }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public bool EntityIsAlive(int entityID, short gen)
         {
@@ -325,6 +387,11 @@ namespace DCFApixels.DragonECS
             _filters = null;
             Realeze();
         }
+        public void DestryWithPipeline()
+        {
+            Destroy();
+            _pipeline.Destroy();
+        }
         #endregion
 
         #region Utils
@@ -344,7 +411,7 @@ namespace DCFApixels.DragonECS
             static ComponentType()
             {
                 uniqueID = ComponentType.increment++;
-#if DEBUG || !DRAGONECS_NO_SANITIZE_CHECKS
+#if (DEBUG && !DISABLE_DRAGONECS_DEBUG) || !DRAGONECS_NO_SANITIZE_CHECKS
                 if (ComponentType.increment + 1 > ushort.MaxValue)
                 {
                     throw new EcsFrameworkException($"No more room for new component for this {typeof(TArchetype).FullName} IWorldArchetype");
@@ -374,15 +441,27 @@ namespace DCFApixels.DragonECS
             }
         }
         #endregion
-    }
 
-    #region Extensions
-    public static class IEcsWorldExtensions
+        #region Other
+        void IEcsWorld.RegisterGroup(EcsGroup group)
         {
-        public static void DelEntity(this IEcsWorld self, ent entity)
-        {
-            self.DelEntity(entity.id);
-        }
+            _groups.Add(group);
         }
         #endregion
+    }
+    
+    [StructLayout(LayoutKind.Sequential, Pack = 8, Size = 24)]
+    internal readonly struct PoolRunnres
+    {
+        public readonly IEcsComponentAdd add;
+        public readonly IEcsComponentWrite write;
+        public readonly IEcsComponentDel del;
+
+        public PoolRunnres(EcsPipeline pipeline)
+        {
+            add = pipeline.GetRunner<IEcsComponentAdd>();
+            write = pipeline.GetRunner<IEcsComponentWrite>();
+            del = pipeline.GetRunner<IEcsComponentDel>();
+        }
+    }
 }

src/Utils/ComponentResetHandler.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Linq;
+using System.Runtime.CompilerServices;
+
+namespace DCFApixels.DragonECS
+{
+    internal static class ComponentResetHandler
+    {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static IEcsComponentReset<T> New<T>()
+        {
+            Type targetType = typeof(T);
+            if (targetType.GetInterfaces().Contains(typeof(IEcsComponentReset<>).MakeGenericType(targetType)))
+            {
+                return (IEcsComponentReset<T>)Activator.CreateInstance(typeof(ComponentResetHandler<>).MakeGenericType(targetType));
+            }
+            return (IEcsComponentReset<T>)Activator.CreateInstance(typeof(ComponentResetDummy<>).MakeGenericType(targetType));
+        }
+    }
+    internal sealed class ComponentResetDummy<T> : IEcsComponentReset<T>
+    {
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void Reset(ref T component) => component = default;
+    }
+    internal sealed class ComponentResetHandler<T> : IEcsComponentReset<T>
+        where T : IEcsComponentReset<T>
+    {
+        private T _fakeInstnace = default;
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void Reset(ref T component) => _fakeInstnace.Reset(ref component);
+    }
+}

src/ent.cs

@@ -97,18 +97,18 @@ namespace DCFApixels.DragonECS
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static bool IsAlive(this ref ent self)
         {
-            using (_IsAliveMarker.Auto())
-            {
+            //using (_IsAliveMarker.Auto())
+            //{
                 bool result = EcsWorld.Worlds[self.world].EntityIsAlive(self.id, self.gen);
                 if (!result) self = ent.NULL;
                 return result;
-            }
+            //}
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static bool IsNull(this in ent self)
         {
-            using (_IsNullMarker.Auto())
+            //using (_IsNullMarker.Auto())
                 return self == ent.NULL;
         }
 
@@ -116,28 +116,28 @@ namespace DCFApixels.DragonECS
         public static ref readonly T Read<T>(this in ent self)
             where T : struct
         {
-            using (_ReadMarker.Auto())
+            //using (_ReadMarker.Auto())
                 return ref EcsWorld.Worlds[self.world].GetPool<T>().Read(self.id);
         }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static ref T Write<T>(this in ent self)
             where T : struct
         {
-            using (_WriteMarker.Auto())
+            //using (_WriteMarker.Auto())
                 return ref EcsWorld.Worlds[self.world].GetPool<T>().Write(self.id);
         }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static bool Has<T>(this in ent self)
             where T : struct
         {
-            using (_HasMarker.Auto())
+            //using (_HasMarker.Auto())
                 return EcsWorld.Worlds[self.world].GetPool<T>().Has(self.id);
         }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static void Del<T>(this in ent self)
             where T : struct
         {
-            using (_DelMarker.Auto())
+            //using (_DelMarker.Auto())
                 EcsWorld.Worlds[self.world].GetPool<T>().Del(self.id);
         }
     }