Ghost.Entities.Test/ArcEntityTest.cs

@@ -14,24 +14,29 @@ public partial class ArcEntityTest : ITest
 
     public void Run()
     {
-        var entity1 = _world.EntityManager.CreateEntity(ComponentTypeID<TransformData>.value);
+        var entity1 = _world.EntityManager.CreateEntity(ComponentTypeID<Transform>.value);
-        var mesh = new MeshData { index = 1 };
+        Console.WriteLine(entity1);
-        _world.EntityManager.AddComponent<MeshData>(entity1, ref mesh);
+        _world.EntityManager.AddComponent<Mesh>(entity1, new Mesh { index = 1 });
 
-        var queryID = new QueryBuilder().WithAll<TransformData>().Build(_world);
+        var queryID = new QueryBuilder().WithAll<Transform>().Build(_world);
         ref var query = ref _world.GetEntityQueryReference(queryID);
 
-        foreach (var item in query)
+        foreach (var chunk in query.GetChunkIterator())
         {
-            var transforms = item.GetComponentData<TransformData>();
+            var transforms = chunk.GetComponentData<Transform>();
-            Console.WriteLine($"Item Count: {item.Count}");
+            var entities = chunk.GetEntities();
-            for (var i = 0; i < item.Count; i++)
+
+            for (var i = 0; i < chunk.Count; i++)
             {
-                Console.WriteLine($"Entity Position: {transforms[i].position}");
+                Console.WriteLine($"Entity {entities[i]} Position: {transforms[i].position}");
                 transforms[i].position = new float3(1, 2, 3);
-                Console.WriteLine($"Updated Entity Position: {transforms[i].position}");
             }
         }
+
+        query.ForEach<Transform>((e, ref t) => 
+        {
+            Console.WriteLine($"Entity {e} Updated Position: {t.position}");
+        });
     }
 
     public void Cleanup()
@@ -40,12 +45,12 @@ public partial class ArcEntityTest : ITest
     }
 }
 
-public struct TransformData : IComponent
+public struct Transform : IComponent
 {
     public float3 position;
 }
 
-public struct MeshData : IComponent
+public struct Mesh : IComponent
 {
     public int index;
 }

Ghost.Entities.Test/Program.cs

@@ -1,4 +1,7 @@
 using Ghost.Entities.Test;
 using Ghost.Test.Core;
+using Misaki.HighPerformance.LowLevel.Buffer;
 
+AllocationManager.EnableDebugLayer();
 TestRunner.Run<ArcEntityTest>();
+AllocationManager.Dispose();

Ghost.Entities/Archetype.cs

@@ -16,21 +16,21 @@ internal unsafe struct Chunk : IDisposable
 
     public int Count
     {
-        get => _count;
+        readonly get => _count;
         set => _count = value;
     }
 
-    public int Capacity => _capacity;
+    public readonly int Capacity => _capacity;
 
     public Chunk(int size, int capacity)
     {
-        _data = new UnsafeArray<byte>(size, Allocator.Persistent);
+        _data = new UnsafeArray<byte>(size, Allocator.Persistent, AllocationOption.Clear);
         _capacity = capacity;
         _count = 0;
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public byte* GetUnsafePtr()
+    public readonly byte* GetUnsafePtr()
     {
         return (byte*)_data.GetUnsafePtr();
     }
@@ -68,15 +68,16 @@ internal unsafe struct Archetype : IIdentifierType, IDisposable
     private UnsafeList<Edge> _edgesAdd;
     private UnsafeList<Edge> _edgesRemove;
 
-    private int _hash;
+    private readonly int _hash;
     private int _entityCapacity;
     private int _maxComponentID;
     private int _entityIdsOffset;
 
-    public Identifier<Archetype> ID => _id;
+    public readonly Identifier<Archetype> ID => _id;
 
-    public int EntityCapacity => _entityCapacity;
+    public readonly int EntityCapacity => _entityCapacity;
-    public int ChunkCount => _chunks.Count;
+    public readonly int ChunkCount => _chunks.Count;
+    public readonly int EntityIDsOffset => _entityIdsOffset;
 
     public Archetype(Identifier<Archetype> id, Identifier<World> worldID, ReadOnlySpan<Identifier<IComponent>> componentIds)
     {
@@ -204,7 +205,7 @@ internal unsafe struct Archetype : IIdentifierType, IDisposable
     {
         for (var i = 0; i < _chunks.Count; i++)
         {
-            var chunk = _chunks[i];
+            ref var chunk = ref _chunks[i];
             if (chunk.Count < _entityCapacity)
             {
                 rowIndex = chunk.Count;
@@ -226,7 +227,7 @@ internal unsafe struct Archetype : IIdentifierType, IDisposable
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public void SetEntity(int chunkIndex, int rowIndex, Entity entity)
+    public readonly void SetEntity(int chunkIndex, int rowIndex, Entity entity)
     {
         var chunk = _chunks[chunkIndex];
         var chunkBase = chunk.GetUnsafePtr();
@@ -236,7 +237,7 @@ internal unsafe struct Archetype : IIdentifierType, IDisposable
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public void SetComponentData(int chunkIndex, int rowIndex, Identifier<IComponent> componentID, void* pComponent)
+    public readonly void SetComponentData(int chunkIndex, int rowIndex, Identifier<IComponent> componentID, void* pComponent)
     {
         var offset = _componentIDToOffset[componentID];
         var chunk = _chunks[chunkIndex];
@@ -249,7 +250,7 @@ internal unsafe struct Archetype : IIdentifierType, IDisposable
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public void* GetComponentDataPtr(int chunkIndex, int rowIndex, Identifier<IComponent> componentID)
+    public readonly void* GetComponentDataPtr(int chunkIndex, int rowIndex, Identifier<IComponent> componentID)
     {
         var offset = _componentIDToOffset[componentID];
         var chunk = _chunks[chunkIndex];
@@ -268,7 +269,7 @@ internal unsafe struct Archetype : IIdentifierType, IDisposable
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public int GetOffset(int componentId)
+    public readonly int GetOffset(int componentId)
     {
         if (componentId >= _componentIDToOffset.Count)
         {
@@ -326,7 +327,7 @@ internal unsafe struct Archetype : IIdentifierType, IDisposable
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public bool HasComponent(Identifier<IComponent> componentID)
+    public readonly bool HasComponent(Identifier<IComponent> componentID)
     {
         return _signature.IsSet(componentID);
     }
@@ -342,7 +343,7 @@ internal unsafe struct Archetype : IIdentifierType, IDisposable
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public Identifier<Archetype> GetEdgeAdd(Identifier<IComponent> componentID)
+    public readonly Identifier<Archetype> GetEdgeAdd(Identifier<IComponent> componentID)
     {
         for (var i = 0; i < _edgesAdd.Count; i++)
         {
@@ -367,7 +368,7 @@ internal unsafe struct Archetype : IIdentifierType, IDisposable
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public Identifier<Archetype> GetEdgeRemove(Identifier<IComponent> componentID)
+    public readonly Identifier<Archetype> GetEdgeRemove(Identifier<IComponent> componentID)
     {
         for (var i = 0; i < _edgesRemove.Count; i++)
         {
@@ -382,7 +383,7 @@ internal unsafe struct Archetype : IIdentifierType, IDisposable
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public Span<T> GetComponentArray<T>(int chunkIndex)
+    public readonly Span<T> GetComponentArray<T>(int chunkIndex)
         where T : unmanaged, IComponent
     {
         var id = ComponentTypeID<T>.value;
@@ -401,7 +402,7 @@ internal unsafe struct Archetype : IIdentifierType, IDisposable
         return new Span<T>((T*)((byte*)chunk.GetUnsafePtr() + offset), chunk.Count);
     }
 
-    public override int GetHashCode()
+    public override readonly int GetHashCode()
     {
         return _hash;
     }

Ghost.Entities/Component.cs

@@ -16,7 +16,7 @@ public struct ComponentInfo
     public Identifier<IComponent> id;
 }
 
-public static unsafe class ComponentTypeID<T>
+public static class ComponentTypeID<T>
     where T : unmanaged, IComponent
 {
     public static readonly Identifier<IComponent> value = ComponentRegister.GetOrRegisterComponent<T>();

Ghost.Entities/EntityManager.cs

@@ -15,13 +15,19 @@ public unsafe class EntityManager : IDisposable
         public int rowIndex;
     }
 
-    private World _world;
+    private readonly World _world;
     private UnsafeSlotMap<EntityLocation> _entityLocations;
+    private bool _disposed;
 
     internal EntityManager(World world, int initialCapacity)
     {
         _world = world;
-        _entityLocations = new UnsafeSlotMap<EntityLocation>(initialCapacity, Allocator.Persistent);
+        _entityLocations = new UnsafeSlotMap<EntityLocation>(initialCapacity, Allocator.Persistent, AllocationOption.Clear);
+    }
+
+    ~EntityManager()
+    {
+        Dispose();
     }
 
     internal ResultStatus UpdateEntityLocation(Entity entity, Identifier<Archetype> newArchetypeID, int newChunkIndex, int newRowIndex)
@@ -115,8 +121,8 @@ public unsafe class EntityManager : IDisposable
             var layout = oldArch._layouts[i];
 
             var src = oldArch._chunks[oldChunk].GetUnsafePtr() + layout.offset + (layout.size * oldRow);
-            var newOffset = newArch.GetOffset(layout.componentID); // O(1) Lookup
+            var newOffset = newArch.GetOffset(layout.componentID); // O(1) Looku
-            var dst = oldArch._chunks[oldChunk].GetUnsafePtr() + newOffset + (layout.size * newRow);
+            var dst = newArch._chunks[newChunk].GetUnsafePtr() + newOffset + (layout.size * newRow);
 
             MemoryUtility.MemCpy(src, dst, (nuint)layout.size);
         }
@@ -217,10 +223,10 @@ public unsafe class EntityManager : IDisposable
         return ResultStatus.Success;
     }
 
-    public ResultStatus AddComponent<T>(Entity entity, ref T component)
+    public ResultStatus AddComponent<T>(Entity entity, T component)
         where T : unmanaged, IComponent
     {
-        return AddComponent(entity, ComponentTypeID<T>.value, UnsafeUtility.AddressOf(ref component));
+        return AddComponent(entity, ComponentTypeID<T>.value, &component);
     }
 
     public ResultStatus SetComponentData(Entity entity, Identifier<IComponent> componentID, void* pComponent)
@@ -236,10 +242,10 @@ public unsafe class EntityManager : IDisposable
         return ResultStatus.Success;
     }
 
-    public ResultStatus SetComponentData<T>(Entity entity, ref T component)
+    public ResultStatus SetComponentData<T>(Entity entity, T component)
         where T : unmanaged, IComponent
     {
-        return SetComponentData(entity, ComponentTypeID<T>.value, UnsafeUtility.AddressOf(ref component));
+        return SetComponentData(entity, ComponentTypeID<T>.value, &component);
     }
 
     public bool HasComponent(Entity entity, Identifier<IComponent> componentID)
@@ -261,6 +267,14 @@ public unsafe class EntityManager : IDisposable
 
     public void Dispose()
     {
+        if (_disposed)
+        {
+            return;
+        }
+
         _entityLocations.Dispose();
+        _disposed = true;
+
+        GC.SuppressFinalize(this);
     }
 }

Ghost.Entities/EntityQuery.cs

@@ -8,7 +8,7 @@ public unsafe class EntityQueryy<T1, T2>
     struct ArchetypeCache
     {
         public Archetype Archetype;
-        public int Offset1; // Offset for T1
+        public int Offset1; // Offset for T0
         public int Offset2; // Offset for T2
     }
 

Ghost.Entities/Ghost.Entities.csproj

@@ -7,8 +7,53 @@
     <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
   </PropertyGroup>
 
+  <ItemGroup>
+    <Compile Remove="Templates\ForEach.cs" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Include="Templates\EntityQuery.ForEach.gen.cs">
+      <DesignTime>True</DesignTime>
+      <AutoGen>True</AutoGen>
+      <DependentUpon>EntityQuery.ForEach.tt</DependentUpon>
+    </None>
+    <None Include="Templates\ForEach.gen.cs">
+      <DependentUpon>ForEach.tt</DependentUpon>
+      <DesignTime>True</DesignTime>
+      <AutoGen>True</AutoGen>
+    </None>
+  </ItemGroup>
+
   <ItemGroup>
     <ProjectReference Include="..\Ghost.Core\Ghost.Core.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <None Update="Templates\EntityQuery.ForEach.tt">
+      <Generator>TextTemplatingFileGenerator</Generator>
+      <LastGenOutput>EntityQuery.ForEach.gen.cs</LastGenOutput>
+    </None>
+    <None Update="Templates\ForEach.tt">
+      <LastGenOutput>ForEach.gen.cs</LastGenOutput>
+      <Generator>TextTemplatingFileGenerator</Generator>
+    </None>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Service Include="{508349b6-6b84-4df5-91f0-309beebad82d}" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Compile Update="Templates\EntityQuery.ForEach.gen.cs">
+      <DesignTime>True</DesignTime>
+      <AutoGen>True</AutoGen>
+      <DependentUpon>EntityQuery.ForEach.tt</DependentUpon>
+    </Compile>
+    <Compile Update="Templates\ForEach.gen.cs">
+      <DesignTime>True</DesignTime>
+      <AutoGen>True</AutoGen>
+      <DependentUpon>ForEach.tt</DependentUpon>
+    </Compile>
+  </ItemGroup>
+
 </Project>

Ghost.Entities/Query.cs

@@ -1,6 +1,7 @@
 using Ghost.Core;
 using Misaki.HighPerformance.LowLevel.Buffer;
 using Misaki.HighPerformance.LowLevel.Collections;
+using System.Runtime.CompilerServices;
 
 namespace Ghost.Entities;
 
@@ -10,30 +11,15 @@ public struct EntityQueryMask : IDisposable
     public UnsafeBitSet any;
     public UnsafeBitSet absent;
 
-    public bool Matches(UnsafeBitSet archetypeSignature)
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public readonly bool Matches(UnsafeBitSet archetypeSignature)
     {
-        // 1. Check All: Archetype must have ALL bits set
+        return (!all.IsCreated || all.All(archetypeSignature))
-        if (all.IsCreated && !archetypeSignature.All(all))
+            && (!absent.IsCreated || absent.None(archetypeSignature))
-        {
+            && (!any.IsCreated || any.Count == 0 || any.Any(archetypeSignature));
-            return false;
     }
 
-        // 2. Check None: Archetype must have NONE of these bits set
+    public readonly override int GetHashCode()
-        if (absent.IsCreated && archetypeSignature.Any(absent))
-        {
-            return false;
-        }
-
-        // 3. Check Any: Archetype must have AT LEAST ONE of these bits (if Any is defined)
-        if (any.IsCreated && any.Count != 0 && !archetypeSignature.Any(any))
-        {
-            return false;
-        }
-
-        return true;
-    }
-
-    public override int GetHashCode()
     {
         var hash = 17;
         if (all.IsCreated) hash = hash * 23 + all.GetHashCode();
@@ -51,21 +37,30 @@ public struct EntityQueryMask : IDisposable
     }
 }
 
-public unsafe struct EntityQuery : IIdentifierType, IDisposable
+public unsafe partial struct EntityQuery : IIdentifierType, IDisposable
 {
-    public readonly ref struct QueryItem
+    public readonly ref struct ChunkIterator
+    {
+        public readonly ref struct ChunkView
         {
             private readonly ref Archetype _archetype;
             private readonly ref Chunk _chunk;
 
             public readonly int Count => _chunk.Count;
 
-        internal QueryItem(ref Archetype archetype, int chunkIndex)
+            internal ChunkView(ref Archetype archetype, int chunkIndex)
             {
                 _archetype = ref archetype;
                 _chunk = ref archetype.GetChunkReference(chunkIndex);
             }
 
+            public readonly ReadOnlySpan<Entity> GetEntities()
+            {
+                var ptr = _chunk.GetUnsafePtr();
+                var pEntity = (Entity*)(ptr + _archetype.EntityIDsOffset);
+                return new ReadOnlySpan<Entity>(pEntity, _chunk.Count);
+            }
+
             public readonly Span<T> GetComponentData<T>()
                 where T : unmanaged, IComponent
             {
@@ -80,14 +75,14 @@ public unsafe struct EntityQuery : IIdentifierType, IDisposable
             }
         }
 
-    public ref struct ChunkEnumerator
+        public ref struct Enumerator
         {
-        private ReadOnlyUnsafeCollection<Identifier<Archetype>> _matchingArchetypes;
+            private readonly ReadOnlyUnsafeCollection<Identifier<Archetype>> _matchingArchetypes;
-        private World _world;
+            private readonly World _world;
             private int _archetypeIndex;
             private int _chunkIndex;
 
-        internal ChunkEnumerator(ReadOnlyUnsafeCollection<Identifier<Archetype>> matchingArchetypes, World world)
+            internal Enumerator(ReadOnlyUnsafeCollection<Identifier<Archetype>> matchingArchetypes, World world)
             {
                 _matchingArchetypes = matchingArchetypes;
                 _world = world;
@@ -95,12 +90,12 @@ public unsafe struct EntityQuery : IIdentifierType, IDisposable
                 _chunkIndex = -1;
             }
 
-        public QueryItem Current
+            public readonly ChunkView Current
             {
                 get
                 {
                     ref var archetype = ref _world.GetArchetypeReference(_matchingArchetypes[_archetypeIndex]);
-                return new QueryItem(ref archetype, _chunkIndex);
+                    return new ChunkView(ref archetype, _chunkIndex);
                 }
             }
 
@@ -129,12 +124,27 @@ public unsafe struct EntityQuery : IIdentifierType, IDisposable
                 _chunkIndex = -1;
             }
 
-        public void Dispose()
+            public readonly void Dispose()
             {
             }
         }
 
-    private Identifier<World> _worldID;
+        private readonly ReadOnlyUnsafeCollection<Identifier<Archetype>> _matchingArchetypes;
+        private readonly World _world;
+
+        internal ChunkIterator(ReadOnlyUnsafeCollection<Identifier<Archetype>> matchingArchetypes, World world)
+        {
+            _matchingArchetypes = matchingArchetypes;
+            _world = world;
+        }
+
+        public readonly Enumerator GetEnumerator()
+        {
+            return new Enumerator(_matchingArchetypes, _world);
+        }
+    }
+
+    private readonly Identifier<World> _worldID;
     private EntityQueryMask _mask;
     private UnsafeList<Identifier<Archetype>> _matchingArchetypes;
 
@@ -145,7 +155,6 @@ public unsafe struct EntityQuery : IIdentifierType, IDisposable
         _matchingArchetypes = new UnsafeList<Identifier<Archetype>>(8, Allocator.Persistent);
     }
 
-    // Called by World when a new archetype is created
     internal void AddArchetypeIfMatch(Archetype archetype)
     {
         if (_mask.Matches(archetype._signature))
@@ -154,10 +163,10 @@ public unsafe struct EntityQuery : IIdentifierType, IDisposable
         }
     }
 
-    public ChunkEnumerator GetEnumerator()
+    public readonly ChunkIterator GetChunkIterator()
     {
         var world = World.GetWorld(_worldID).Value;
-        return new ChunkEnumerator(_matchingArchetypes.AsReadOnly(), world);
+        return new ChunkIterator(_matchingArchetypes.AsReadOnly(), world);
     }
 
     public void Dispose()
@@ -169,7 +178,7 @@ public unsafe struct EntityQuery : IIdentifierType, IDisposable
 
 public ref struct QueryBuilder
 {
-    private Stack.Scope _scope;
+    private readonly Stack.Scope _scope;
 
     private UnsafeList<Identifier<IComponent>> _all;
     private UnsafeList<Identifier<IComponent>> _any;
@@ -244,7 +253,7 @@ public ref struct QueryBuilder
         return queryID;
     }
 
-    private void FindMax(UnsafeList<Identifier<IComponent>> list, ref int max)
+    private static void FindMax(UnsafeList<Identifier<IComponent>> list, ref int max)
     {
         foreach (var id in list)
         {

Ghost.Entities/Templates/EntityQuery.ForEach.gen.cs

@@ -0,0 +1,881 @@
+
+using Ghost.Core;
+
+namespace Ghost.Entities;
+
+public unsafe partial struct EntityQuery
+{
+    public readonly void ForEach<T0>(ForEach<T0> action)
+        where T0 : unmanaged, IComponent
+    {
+        var world = World.GetWorld(_worldID).GetValueOrThrow(ResultStatus.Success);
+
+        var compTypeIDs = stackalloc int[] { ComponentTypeID<T0>.value };
+        var offsets = stackalloc int[1];
+        var basePtrs = stackalloc byte*[1];
+
+        foreach (var archetypeID in _matchingArchetypes)
+        {
+            ref var archetype = ref world.GetArchetypeReference(archetypeID);
+            var hasAllComponents = true;
+            for (var index = 0; index < 1; index++)
+            {
+                offsets[index] = archetype.GetOffset(compTypeIDs[index]);
+                if (offsets[index] == -1)
+                {
+                    hasAllComponents = false;
+                    break;
+                }
+            }
+
+            if (!hasAllComponents)
+            {
+                continue;
+            }
+
+            for (var chunkIndex = 0; chunkIndex < archetype.ChunkCount; chunkIndex++)
+            {
+                ref var chunk = ref archetype.GetChunkReference(chunkIndex);
+                var count = chunk.Count;
+                for (var index = 0; index < 1; index++)
+                {
+                    basePtrs[index] = chunk.GetUnsafePtr() + offsets[index];
+                }
+
+                for (var entityIndex = 0; entityIndex < count; entityIndex++)
+                {
+                    var pComp0 = (T0*)(basePtrs[0] + (sizeof(T0) * entityIndex));
+
+                    action(ref *pComp0);
+                }
+            }
+        }
+    }
+
+    public readonly void ForEach<T0, T1>(ForEach<T0, T1> action)
+        where T0 : unmanaged, IComponent
+        where T1 : unmanaged, IComponent
+    {
+        var world = World.GetWorld(_worldID).GetValueOrThrow(ResultStatus.Success);
+
+        var compTypeIDs = stackalloc int[] { ComponentTypeID<T0>.value, ComponentTypeID<T1>.value };
+        var offsets = stackalloc int[2];
+        var basePtrs = stackalloc byte*[2];
+
+        foreach (var archetypeID in _matchingArchetypes)
+        {
+            ref var archetype = ref world.GetArchetypeReference(archetypeID);
+            var hasAllComponents = true;
+            for (var index = 0; index < 2; index++)
+            {
+                offsets[index] = archetype.GetOffset(compTypeIDs[index]);
+                if (offsets[index] == -1)
+                {
+                    hasAllComponents = false;
+                    break;
+                }
+            }
+
+            if (!hasAllComponents)
+            {
+                continue;
+            }
+
+            for (var chunkIndex = 0; chunkIndex < archetype.ChunkCount; chunkIndex++)
+            {
+                ref var chunk = ref archetype.GetChunkReference(chunkIndex);
+                var count = chunk.Count;
+                for (var index = 0; index < 2; index++)
+                {
+                    basePtrs[index] = chunk.GetUnsafePtr() + offsets[index];
+                }
+
+                for (var entityIndex = 0; entityIndex < count; entityIndex++)
+                {
+                    var pComp0 = (T0*)(basePtrs[0] + (sizeof(T0) * entityIndex));
+                    var pComp1 = (T1*)(basePtrs[1] + (sizeof(T1) * entityIndex));
+
+                    action(ref *pComp0,ref *pComp1);
+                }
+            }
+        }
+    }
+
+    public readonly void ForEach<T0, T1, T2>(ForEach<T0, T1, T2> action)
+        where T0 : unmanaged, IComponent
+        where T1 : unmanaged, IComponent
+        where T2 : unmanaged, IComponent
+    {
+        var world = World.GetWorld(_worldID).GetValueOrThrow(ResultStatus.Success);
+
+        var compTypeIDs = stackalloc int[] { ComponentTypeID<T0>.value, ComponentTypeID<T1>.value, ComponentTypeID<T2>.value };
+        var offsets = stackalloc int[3];
+        var basePtrs = stackalloc byte*[3];
+
+        foreach (var archetypeID in _matchingArchetypes)
+        {
+            ref var archetype = ref world.GetArchetypeReference(archetypeID);
+            var hasAllComponents = true;
+            for (var index = 0; index < 3; index++)
+            {
+                offsets[index] = archetype.GetOffset(compTypeIDs[index]);
+                if (offsets[index] == -1)
+                {
+                    hasAllComponents = false;
+                    break;
+                }
+            }
+
+            if (!hasAllComponents)
+            {
+                continue;
+            }
+
+            for (var chunkIndex = 0; chunkIndex < archetype.ChunkCount; chunkIndex++)
+            {
+                ref var chunk = ref archetype.GetChunkReference(chunkIndex);
+                var count = chunk.Count;
+                for (var index = 0; index < 3; index++)
+                {
+                    basePtrs[index] = chunk.GetUnsafePtr() + offsets[index];
+                }
+
+                for (var entityIndex = 0; entityIndex < count; entityIndex++)
+                {
+                    var pComp0 = (T0*)(basePtrs[0] + (sizeof(T0) * entityIndex));
+                    var pComp1 = (T1*)(basePtrs[1] + (sizeof(T1) * entityIndex));
+                    var pComp2 = (T2*)(basePtrs[2] + (sizeof(T2) * entityIndex));
+
+                    action(ref *pComp0,ref *pComp1,ref *pComp2);
+                }
+            }
+        }
+    }
+
+    public readonly void ForEach<T0, T1, T2, T3>(ForEach<T0, T1, T2, T3> action)
+        where T0 : unmanaged, IComponent
+        where T1 : unmanaged, IComponent
+        where T2 : unmanaged, IComponent
+        where T3 : unmanaged, IComponent
+    {
+        var world = World.GetWorld(_worldID).GetValueOrThrow(ResultStatus.Success);
+
+        var compTypeIDs = stackalloc int[] { ComponentTypeID<T0>.value, ComponentTypeID<T1>.value, ComponentTypeID<T2>.value, ComponentTypeID<T3>.value };
+        var offsets = stackalloc int[4];
+        var basePtrs = stackalloc byte*[4];
+
+        foreach (var archetypeID in _matchingArchetypes)
+        {
+            ref var archetype = ref world.GetArchetypeReference(archetypeID);
+            var hasAllComponents = true;
+            for (var index = 0; index < 4; index++)
+            {
+                offsets[index] = archetype.GetOffset(compTypeIDs[index]);
+                if (offsets[index] == -1)
+                {
+                    hasAllComponents = false;
+                    break;
+                }
+            }
+
+            if (!hasAllComponents)
+            {
+                continue;
+            }
+
+            for (var chunkIndex = 0; chunkIndex < archetype.ChunkCount; chunkIndex++)
+            {
+                ref var chunk = ref archetype.GetChunkReference(chunkIndex);
+                var count = chunk.Count;
+                for (var index = 0; index < 4; index++)
+                {
+                    basePtrs[index] = chunk.GetUnsafePtr() + offsets[index];
+                }
+
+                for (var entityIndex = 0; entityIndex < count; entityIndex++)
+                {
+                    var pComp0 = (T0*)(basePtrs[0] + (sizeof(T0) * entityIndex));
+                    var pComp1 = (T1*)(basePtrs[1] + (sizeof(T1) * entityIndex));
+                    var pComp2 = (T2*)(basePtrs[2] + (sizeof(T2) * entityIndex));
+                    var pComp3 = (T3*)(basePtrs[3] + (sizeof(T3) * entityIndex));
+
+                    action(ref *pComp0,ref *pComp1,ref *pComp2,ref *pComp3);
+                }
+            }
+        }
+    }
+
+    public readonly void ForEach<T0, T1, T2, T3, T4>(ForEach<T0, T1, T2, T3, T4> action)
+        where T0 : unmanaged, IComponent
+        where T1 : unmanaged, IComponent
+        where T2 : unmanaged, IComponent
+        where T3 : unmanaged, IComponent
+        where T4 : unmanaged, IComponent
+    {
+        var world = World.GetWorld(_worldID).GetValueOrThrow(ResultStatus.Success);
+
+        var compTypeIDs = stackalloc int[] { ComponentTypeID<T0>.value, ComponentTypeID<T1>.value, ComponentTypeID<T2>.value, ComponentTypeID<T3>.value, ComponentTypeID<T4>.value };
+        var offsets = stackalloc int[5];
+        var basePtrs = stackalloc byte*[5];
+
+        foreach (var archetypeID in _matchingArchetypes)
+        {
+            ref var archetype = ref world.GetArchetypeReference(archetypeID);
+            var hasAllComponents = true;
+            for (var index = 0; index < 5; index++)
+            {
+                offsets[index] = archetype.GetOffset(compTypeIDs[index]);
+                if (offsets[index] == -1)
+                {
+                    hasAllComponents = false;
+                    break;
+                }
+            }
+
+            if (!hasAllComponents)
+            {
+                continue;
+            }
+
+            for (var chunkIndex = 0; chunkIndex < archetype.ChunkCount; chunkIndex++)
+            {
+                ref var chunk = ref archetype.GetChunkReference(chunkIndex);
+                var count = chunk.Count;
+                for (var index = 0; index < 5; index++)
+                {
+                    basePtrs[index] = chunk.GetUnsafePtr() + offsets[index];
+                }
+
+                for (var entityIndex = 0; entityIndex < count; entityIndex++)
+                {
+                    var pComp0 = (T0*)(basePtrs[0] + (sizeof(T0) * entityIndex));
+                    var pComp1 = (T1*)(basePtrs[1] + (sizeof(T1) * entityIndex));
+                    var pComp2 = (T2*)(basePtrs[2] + (sizeof(T2) * entityIndex));
+                    var pComp3 = (T3*)(basePtrs[3] + (sizeof(T3) * entityIndex));
+                    var pComp4 = (T4*)(basePtrs[4] + (sizeof(T4) * entityIndex));
+
+                    action(ref *pComp0,ref *pComp1,ref *pComp2,ref *pComp3,ref *pComp4);
+                }
+            }
+        }
+    }
+
+    public readonly void ForEach<T0, T1, T2, T3, T4, T5>(ForEach<T0, T1, T2, T3, T4, T5> action)
+        where T0 : unmanaged, IComponent
+        where T1 : unmanaged, IComponent
+        where T2 : unmanaged, IComponent
+        where T3 : unmanaged, IComponent
+        where T4 : unmanaged, IComponent
+        where T5 : unmanaged, IComponent
+    {
+        var world = World.GetWorld(_worldID).GetValueOrThrow(ResultStatus.Success);
+
+        var compTypeIDs = stackalloc int[] { ComponentTypeID<T0>.value, ComponentTypeID<T1>.value, ComponentTypeID<T2>.value, ComponentTypeID<T3>.value, ComponentTypeID<T4>.value, ComponentTypeID<T5>.value };
+        var offsets = stackalloc int[6];
+        var basePtrs = stackalloc byte*[6];
+
+        foreach (var archetypeID in _matchingArchetypes)
+        {
+            ref var archetype = ref world.GetArchetypeReference(archetypeID);
+            var hasAllComponents = true;
+            for (var index = 0; index < 6; index++)
+            {
+                offsets[index] = archetype.GetOffset(compTypeIDs[index]);
+                if (offsets[index] == -1)
+                {
+                    hasAllComponents = false;
+                    break;
+                }
+            }
+
+            if (!hasAllComponents)
+            {
+                continue;
+            }
+
+            for (var chunkIndex = 0; chunkIndex < archetype.ChunkCount; chunkIndex++)
+            {
+                ref var chunk = ref archetype.GetChunkReference(chunkIndex);
+                var count = chunk.Count;
+                for (var index = 0; index < 6; index++)
+                {
+                    basePtrs[index] = chunk.GetUnsafePtr() + offsets[index];
+                }
+
+                for (var entityIndex = 0; entityIndex < count; entityIndex++)
+                {
+                    var pComp0 = (T0*)(basePtrs[0] + (sizeof(T0) * entityIndex));
+                    var pComp1 = (T1*)(basePtrs[1] + (sizeof(T1) * entityIndex));
+                    var pComp2 = (T2*)(basePtrs[2] + (sizeof(T2) * entityIndex));
+                    var pComp3 = (T3*)(basePtrs[3] + (sizeof(T3) * entityIndex));
+                    var pComp4 = (T4*)(basePtrs[4] + (sizeof(T4) * entityIndex));
+                    var pComp5 = (T5*)(basePtrs[5] + (sizeof(T5) * entityIndex));
+
+                    action(ref *pComp0,ref *pComp1,ref *pComp2,ref *pComp3,ref *pComp4,ref *pComp5);
+                }
+            }
+        }
+    }
+
+    public readonly void ForEach<T0, T1, T2, T3, T4, T5, T6>(ForEach<T0, T1, T2, T3, T4, T5, T6> action)
+        where T0 : unmanaged, IComponent
+        where T1 : unmanaged, IComponent
+        where T2 : unmanaged, IComponent
+        where T3 : unmanaged, IComponent
+        where T4 : unmanaged, IComponent
+        where T5 : unmanaged, IComponent
+        where T6 : unmanaged, IComponent
+    {
+        var world = World.GetWorld(_worldID).GetValueOrThrow(ResultStatus.Success);
+
+        var compTypeIDs = stackalloc int[] { ComponentTypeID<T0>.value, ComponentTypeID<T1>.value, ComponentTypeID<T2>.value, ComponentTypeID<T3>.value, ComponentTypeID<T4>.value, ComponentTypeID<T5>.value, ComponentTypeID<T6>.value };
+        var offsets = stackalloc int[7];
+        var basePtrs = stackalloc byte*[7];
+
+        foreach (var archetypeID in _matchingArchetypes)
+        {
+            ref var archetype = ref world.GetArchetypeReference(archetypeID);
+            var hasAllComponents = true;
+            for (var index = 0; index < 7; index++)
+            {
+                offsets[index] = archetype.GetOffset(compTypeIDs[index]);
+                if (offsets[index] == -1)
+                {
+                    hasAllComponents = false;
+                    break;
+                }
+            }
+
+            if (!hasAllComponents)
+            {
+                continue;
+            }
+
+            for (var chunkIndex = 0; chunkIndex < archetype.ChunkCount; chunkIndex++)
+            {
+                ref var chunk = ref archetype.GetChunkReference(chunkIndex);
+                var count = chunk.Count;
+                for (var index = 0; index < 7; index++)
+                {
+                    basePtrs[index] = chunk.GetUnsafePtr() + offsets[index];
+                }
+
+                for (var entityIndex = 0; entityIndex < count; entityIndex++)
+                {
+                    var pComp0 = (T0*)(basePtrs[0] + (sizeof(T0) * entityIndex));
+                    var pComp1 = (T1*)(basePtrs[1] + (sizeof(T1) * entityIndex));
+                    var pComp2 = (T2*)(basePtrs[2] + (sizeof(T2) * entityIndex));
+                    var pComp3 = (T3*)(basePtrs[3] + (sizeof(T3) * entityIndex));
+                    var pComp4 = (T4*)(basePtrs[4] + (sizeof(T4) * entityIndex));
+                    var pComp5 = (T5*)(basePtrs[5] + (sizeof(T5) * entityIndex));
+                    var pComp6 = (T6*)(basePtrs[6] + (sizeof(T6) * entityIndex));
+
+                    action(ref *pComp0,ref *pComp1,ref *pComp2,ref *pComp3,ref *pComp4,ref *pComp5,ref *pComp6);
+                }
+            }
+        }
+    }
+
+    public readonly void ForEach<T0, T1, T2, T3, T4, T5, T6, T7>(ForEach<T0, T1, T2, T3, T4, T5, T6, T7> action)
+        where T0 : unmanaged, IComponent
+        where T1 : unmanaged, IComponent
+        where T2 : unmanaged, IComponent
+        where T3 : unmanaged, IComponent
+        where T4 : unmanaged, IComponent
+        where T5 : unmanaged, IComponent
+        where T6 : unmanaged, IComponent
+        where T7 : unmanaged, IComponent
+    {
+        var world = World.GetWorld(_worldID).GetValueOrThrow(ResultStatus.Success);
+
+        var compTypeIDs = stackalloc int[] { ComponentTypeID<T0>.value, ComponentTypeID<T1>.value, ComponentTypeID<T2>.value, ComponentTypeID<T3>.value, ComponentTypeID<T4>.value, ComponentTypeID<T5>.value, ComponentTypeID<T6>.value, ComponentTypeID<T7>.value };
+        var offsets = stackalloc int[8];
+        var basePtrs = stackalloc byte*[8];
+
+        foreach (var archetypeID in _matchingArchetypes)
+        {
+            ref var archetype = ref world.GetArchetypeReference(archetypeID);
+            var hasAllComponents = true;
+            for (var index = 0; index < 8; index++)
+            {
+                offsets[index] = archetype.GetOffset(compTypeIDs[index]);
+                if (offsets[index] == -1)
+                {
+                    hasAllComponents = false;
+                    break;
+                }
+            }
+
+            if (!hasAllComponents)
+            {
+                continue;
+            }
+
+            for (var chunkIndex = 0; chunkIndex < archetype.ChunkCount; chunkIndex++)
+            {
+                ref var chunk = ref archetype.GetChunkReference(chunkIndex);
+                var count = chunk.Count;
+                for (var index = 0; index < 8; index++)
+                {
+                    basePtrs[index] = chunk.GetUnsafePtr() + offsets[index];
+                }
+
+                for (var entityIndex = 0; entityIndex < count; entityIndex++)
+                {
+                    var pComp0 = (T0*)(basePtrs[0] + (sizeof(T0) * entityIndex));
+                    var pComp1 = (T1*)(basePtrs[1] + (sizeof(T1) * entityIndex));
+                    var pComp2 = (T2*)(basePtrs[2] + (sizeof(T2) * entityIndex));
+                    var pComp3 = (T3*)(basePtrs[3] + (sizeof(T3) * entityIndex));
+                    var pComp4 = (T4*)(basePtrs[4] + (sizeof(T4) * entityIndex));
+                    var pComp5 = (T5*)(basePtrs[5] + (sizeof(T5) * entityIndex));
+                    var pComp6 = (T6*)(basePtrs[6] + (sizeof(T6) * entityIndex));
+                    var pComp7 = (T7*)(basePtrs[7] + (sizeof(T7) * entityIndex));
+
+                    action(ref *pComp0,ref *pComp1,ref *pComp2,ref *pComp3,ref *pComp4,ref *pComp5,ref *pComp6,ref *pComp7);
+                }
+            }
+        }
+    }
+
+
+    public readonly void ForEach<T0>(ForEachWithEntity<T0> action)
+        where T0 : unmanaged, IComponent
+    {
+        var world = World.GetWorld(_worldID).GetValueOrThrow(ResultStatus.Success);
+
+        var compTypeIDs = stackalloc int[] { ComponentTypeID<T0>.value };
+        var offsets = stackalloc int[1];
+        var basePtrs = stackalloc byte*[1];
+
+        foreach (var archetypeID in _matchingArchetypes)
+        {
+            ref var archetype = ref world.GetArchetypeReference(archetypeID);
+            var hasAllComponents = true;
+            for (var index = 0; index < 1; index++)
+            {
+                offsets[index] = archetype.GetOffset(compTypeIDs[index]);
+                if (offsets[index] == -1)
+                {
+                    hasAllComponents = false;
+                    break;
+                }
+            }
+
+            if (!hasAllComponents)
+            {
+                continue;
+            }
+
+            for (var chunkIndex = 0; chunkIndex < archetype.ChunkCount; chunkIndex++)
+            {
+                ref var chunk = ref archetype.GetChunkReference(chunkIndex);
+                var count = chunk.Count;
+                for (var index = 0; index < 1; index++)
+                {
+                    basePtrs[index] = chunk.GetUnsafePtr() + offsets[index];
+                }
+
+                for (var entityIndex = 0; entityIndex < count; entityIndex++)
+                {
+                    var pEntity = (Entity*)(chunk.GetUnsafePtr() + archetype.EntityIDsOffset + (sizeof(Entity) * entityIndex));
+                    var pComp0 = (T0*)(basePtrs[0] + (sizeof(T0) * entityIndex));
+
+                    action(*pEntity, ref *pComp0);
+                }
+            }
+        }
+    }
+
+    public readonly void ForEach<T0, T1>(ForEachWithEntity<T0, T1> action)
+        where T0 : unmanaged, IComponent
+        where T1 : unmanaged, IComponent
+    {
+        var world = World.GetWorld(_worldID).GetValueOrThrow(ResultStatus.Success);
+
+        var compTypeIDs = stackalloc int[] { ComponentTypeID<T0>.value, ComponentTypeID<T1>.value };
+        var offsets = stackalloc int[2];
+        var basePtrs = stackalloc byte*[2];
+
+        foreach (var archetypeID in _matchingArchetypes)
+        {
+            ref var archetype = ref world.GetArchetypeReference(archetypeID);
+            var hasAllComponents = true;
+            for (var index = 0; index < 2; index++)
+            {
+                offsets[index] = archetype.GetOffset(compTypeIDs[index]);
+                if (offsets[index] == -1)
+                {
+                    hasAllComponents = false;
+                    break;
+                }
+            }
+
+            if (!hasAllComponents)
+            {
+                continue;
+            }
+
+            for (var chunkIndex = 0; chunkIndex < archetype.ChunkCount; chunkIndex++)
+            {
+                ref var chunk = ref archetype.GetChunkReference(chunkIndex);
+                var count = chunk.Count;
+                for (var index = 0; index < 2; index++)
+                {
+                    basePtrs[index] = chunk.GetUnsafePtr() + offsets[index];
+                }
+
+                for (var entityIndex = 0; entityIndex < count; entityIndex++)
+                {
+                    var pEntity = (Entity*)(chunk.GetUnsafePtr() + archetype.EntityIDsOffset + (sizeof(Entity) * entityIndex));
+                    var pComp0 = (T0*)(basePtrs[0] + (sizeof(T0) * entityIndex));
+                    var pComp1 = (T1*)(basePtrs[1] + (sizeof(T1) * entityIndex));
+
+                    action(*pEntity, ref *pComp0,ref *pComp1);
+                }
+            }
+        }
+    }
+
+    public readonly void ForEach<T0, T1, T2>(ForEachWithEntity<T0, T1, T2> action)
+        where T0 : unmanaged, IComponent
+        where T1 : unmanaged, IComponent
+        where T2 : unmanaged, IComponent
+    {
+        var world = World.GetWorld(_worldID).GetValueOrThrow(ResultStatus.Success);
+
+        var compTypeIDs = stackalloc int[] { ComponentTypeID<T0>.value, ComponentTypeID<T1>.value, ComponentTypeID<T2>.value };
+        var offsets = stackalloc int[3];
+        var basePtrs = stackalloc byte*[3];
+
+        foreach (var archetypeID in _matchingArchetypes)
+        {
+            ref var archetype = ref world.GetArchetypeReference(archetypeID);
+            var hasAllComponents = true;
+            for (var index = 0; index < 3; index++)
+            {
+                offsets[index] = archetype.GetOffset(compTypeIDs[index]);
+                if (offsets[index] == -1)
+                {
+                    hasAllComponents = false;
+                    break;
+                }
+            }
+
+            if (!hasAllComponents)
+            {
+                continue;
+            }
+
+            for (var chunkIndex = 0; chunkIndex < archetype.ChunkCount; chunkIndex++)
+            {
+                ref var chunk = ref archetype.GetChunkReference(chunkIndex);
+                var count = chunk.Count;
+                for (var index = 0; index < 3; index++)
+                {
+                    basePtrs[index] = chunk.GetUnsafePtr() + offsets[index];
+                }
+
+                for (var entityIndex = 0; entityIndex < count; entityIndex++)
+                {
+                    var pEntity = (Entity*)(chunk.GetUnsafePtr() + archetype.EntityIDsOffset + (sizeof(Entity) * entityIndex));
+                    var pComp0 = (T0*)(basePtrs[0] + (sizeof(T0) * entityIndex));
+                    var pComp1 = (T1*)(basePtrs[1] + (sizeof(T1) * entityIndex));
+                    var pComp2 = (T2*)(basePtrs[2] + (sizeof(T2) * entityIndex));
+
+                    action(*pEntity, ref *pComp0,ref *pComp1,ref *pComp2);
+                }
+            }
+        }
+    }
+
+    public readonly void ForEach<T0, T1, T2, T3>(ForEachWithEntity<T0, T1, T2, T3> action)
+        where T0 : unmanaged, IComponent
+        where T1 : unmanaged, IComponent
+        where T2 : unmanaged, IComponent
+        where T3 : unmanaged, IComponent
+    {
+        var world = World.GetWorld(_worldID).GetValueOrThrow(ResultStatus.Success);
+
+        var compTypeIDs = stackalloc int[] { ComponentTypeID<T0>.value, ComponentTypeID<T1>.value, ComponentTypeID<T2>.value, ComponentTypeID<T3>.value };
+        var offsets = stackalloc int[4];
+        var basePtrs = stackalloc byte*[4];
+
+        foreach (var archetypeID in _matchingArchetypes)
+        {
+            ref var archetype = ref world.GetArchetypeReference(archetypeID);
+            var hasAllComponents = true;
+            for (var index = 0; index < 4; index++)
+            {
+                offsets[index] = archetype.GetOffset(compTypeIDs[index]);
+                if (offsets[index] == -1)
+                {
+                    hasAllComponents = false;
+                    break;
+                }
+            }
+
+            if (!hasAllComponents)
+            {
+                continue;
+            }
+
+            for (var chunkIndex = 0; chunkIndex < archetype.ChunkCount; chunkIndex++)
+            {
+                ref var chunk = ref archetype.GetChunkReference(chunkIndex);
+                var count = chunk.Count;
+                for (var index = 0; index < 4; index++)
+                {
+                    basePtrs[index] = chunk.GetUnsafePtr() + offsets[index];
+                }
+
+                for (var entityIndex = 0; entityIndex < count; entityIndex++)
+                {
+                    var pEntity = (Entity*)(chunk.GetUnsafePtr() + archetype.EntityIDsOffset + (sizeof(Entity) * entityIndex));
+                    var pComp0 = (T0*)(basePtrs[0] + (sizeof(T0) * entityIndex));
+                    var pComp1 = (T1*)(basePtrs[1] + (sizeof(T1) * entityIndex));
+                    var pComp2 = (T2*)(basePtrs[2] + (sizeof(T2) * entityIndex));
+                    var pComp3 = (T3*)(basePtrs[3] + (sizeof(T3) * entityIndex));
+
+                    action(*pEntity, ref *pComp0,ref *pComp1,ref *pComp2,ref *pComp3);
+                }
+            }
+        }
+    }
+
+    public readonly void ForEach<T0, T1, T2, T3, T4>(ForEachWithEntity<T0, T1, T2, T3, T4> action)
+        where T0 : unmanaged, IComponent
+        where T1 : unmanaged, IComponent
+        where T2 : unmanaged, IComponent
+        where T3 : unmanaged, IComponent
+        where T4 : unmanaged, IComponent
+    {
+        var world = World.GetWorld(_worldID).GetValueOrThrow(ResultStatus.Success);
+
+        var compTypeIDs = stackalloc int[] { ComponentTypeID<T0>.value, ComponentTypeID<T1>.value, ComponentTypeID<T2>.value, ComponentTypeID<T3>.value, ComponentTypeID<T4>.value };
+        var offsets = stackalloc int[5];
+        var basePtrs = stackalloc byte*[5];
+
+        foreach (var archetypeID in _matchingArchetypes)
+        {
+            ref var archetype = ref world.GetArchetypeReference(archetypeID);
+            var hasAllComponents = true;
+            for (var index = 0; index < 5; index++)
+            {
+                offsets[index] = archetype.GetOffset(compTypeIDs[index]);
+                if (offsets[index] == -1)
+                {
+                    hasAllComponents = false;
+                    break;
+                }
+            }
+
+            if (!hasAllComponents)
+            {
+                continue;
+            }
+
+            for (var chunkIndex = 0; chunkIndex < archetype.ChunkCount; chunkIndex++)
+            {
+                ref var chunk = ref archetype.GetChunkReference(chunkIndex);
+                var count = chunk.Count;
+                for (var index = 0; index < 5; index++)
+                {
+                    basePtrs[index] = chunk.GetUnsafePtr() + offsets[index];
+                }
+
+                for (var entityIndex = 0; entityIndex < count; entityIndex++)
+                {
+                    var pEntity = (Entity*)(chunk.GetUnsafePtr() + archetype.EntityIDsOffset + (sizeof(Entity) * entityIndex));
+                    var pComp0 = (T0*)(basePtrs[0] + (sizeof(T0) * entityIndex));
+                    var pComp1 = (T1*)(basePtrs[1] + (sizeof(T1) * entityIndex));
+                    var pComp2 = (T2*)(basePtrs[2] + (sizeof(T2) * entityIndex));
+                    var pComp3 = (T3*)(basePtrs[3] + (sizeof(T3) * entityIndex));
+                    var pComp4 = (T4*)(basePtrs[4] + (sizeof(T4) * entityIndex));
+
+                    action(*pEntity, ref *pComp0,ref *pComp1,ref *pComp2,ref *pComp3,ref *pComp4);
+                }
+            }
+        }
+    }
+
+    public readonly void ForEach<T0, T1, T2, T3, T4, T5>(ForEachWithEntity<T0, T1, T2, T3, T4, T5> action)
+        where T0 : unmanaged, IComponent
+        where T1 : unmanaged, IComponent
+        where T2 : unmanaged, IComponent
+        where T3 : unmanaged, IComponent
+        where T4 : unmanaged, IComponent
+        where T5 : unmanaged, IComponent
+    {
+        var world = World.GetWorld(_worldID).GetValueOrThrow(ResultStatus.Success);
+
+        var compTypeIDs = stackalloc int[] { ComponentTypeID<T0>.value, ComponentTypeID<T1>.value, ComponentTypeID<T2>.value, ComponentTypeID<T3>.value, ComponentTypeID<T4>.value, ComponentTypeID<T5>.value };
+        var offsets = stackalloc int[6];
+        var basePtrs = stackalloc byte*[6];
+
+        foreach (var archetypeID in _matchingArchetypes)
+        {
+            ref var archetype = ref world.GetArchetypeReference(archetypeID);
+            var hasAllComponents = true;
+            for (var index = 0; index < 6; index++)
+            {
+                offsets[index] = archetype.GetOffset(compTypeIDs[index]);
+                if (offsets[index] == -1)
+                {
+                    hasAllComponents = false;
+                    break;
+                }
+            }
+
+            if (!hasAllComponents)
+            {
+                continue;
+            }
+
+            for (var chunkIndex = 0; chunkIndex < archetype.ChunkCount; chunkIndex++)
+            {
+                ref var chunk = ref archetype.GetChunkReference(chunkIndex);
+                var count = chunk.Count;
+                for (var index = 0; index < 6; index++)
+                {
+                    basePtrs[index] = chunk.GetUnsafePtr() + offsets[index];
+                }
+
+                for (var entityIndex = 0; entityIndex < count; entityIndex++)
+                {
+                    var pEntity = (Entity*)(chunk.GetUnsafePtr() + archetype.EntityIDsOffset + (sizeof(Entity) * entityIndex));
+                    var pComp0 = (T0*)(basePtrs[0] + (sizeof(T0) * entityIndex));
+                    var pComp1 = (T1*)(basePtrs[1] + (sizeof(T1) * entityIndex));
+                    var pComp2 = (T2*)(basePtrs[2] + (sizeof(T2) * entityIndex));
+                    var pComp3 = (T3*)(basePtrs[3] + (sizeof(T3) * entityIndex));
+                    var pComp4 = (T4*)(basePtrs[4] + (sizeof(T4) * entityIndex));
+                    var pComp5 = (T5*)(basePtrs[5] + (sizeof(T5) * entityIndex));
+
+                    action(*pEntity, ref *pComp0,ref *pComp1,ref *pComp2,ref *pComp3,ref *pComp4,ref *pComp5);
+                }
+            }
+        }
+    }
+
+    public readonly void ForEach<T0, T1, T2, T3, T4, T5, T6>(ForEachWithEntity<T0, T1, T2, T3, T4, T5, T6> action)
+        where T0 : unmanaged, IComponent
+        where T1 : unmanaged, IComponent
+        where T2 : unmanaged, IComponent
+        where T3 : unmanaged, IComponent
+        where T4 : unmanaged, IComponent
+        where T5 : unmanaged, IComponent
+        where T6 : unmanaged, IComponent
+    {
+        var world = World.GetWorld(_worldID).GetValueOrThrow(ResultStatus.Success);
+
+        var compTypeIDs = stackalloc int[] { ComponentTypeID<T0>.value, ComponentTypeID<T1>.value, ComponentTypeID<T2>.value, ComponentTypeID<T3>.value, ComponentTypeID<T4>.value, ComponentTypeID<T5>.value, ComponentTypeID<T6>.value };
+        var offsets = stackalloc int[7];
+        var basePtrs = stackalloc byte*[7];
+
+        foreach (var archetypeID in _matchingArchetypes)
+        {
+            ref var archetype = ref world.GetArchetypeReference(archetypeID);
+            var hasAllComponents = true;
+            for (var index = 0; index < 7; index++)
+            {
+                offsets[index] = archetype.GetOffset(compTypeIDs[index]);
+                if (offsets[index] == -1)
+                {
+                    hasAllComponents = false;
+                    break;
+                }
+            }
+
+            if (!hasAllComponents)
+            {
+                continue;
+            }
+
+            for (var chunkIndex = 0; chunkIndex < archetype.ChunkCount; chunkIndex++)
+            {
+                ref var chunk = ref archetype.GetChunkReference(chunkIndex);
+                var count = chunk.Count;
+                for (var index = 0; index < 7; index++)
+                {
+                    basePtrs[index] = chunk.GetUnsafePtr() + offsets[index];
+                }
+
+                for (var entityIndex = 0; entityIndex < count; entityIndex++)
+                {
+                    var pEntity = (Entity*)(chunk.GetUnsafePtr() + archetype.EntityIDsOffset + (sizeof(Entity) * entityIndex));
+                    var pComp0 = (T0*)(basePtrs[0] + (sizeof(T0) * entityIndex));
+                    var pComp1 = (T1*)(basePtrs[1] + (sizeof(T1) * entityIndex));
+                    var pComp2 = (T2*)(basePtrs[2] + (sizeof(T2) * entityIndex));
+                    var pComp3 = (T3*)(basePtrs[3] + (sizeof(T3) * entityIndex));
+                    var pComp4 = (T4*)(basePtrs[4] + (sizeof(T4) * entityIndex));
+                    var pComp5 = (T5*)(basePtrs[5] + (sizeof(T5) * entityIndex));
+                    var pComp6 = (T6*)(basePtrs[6] + (sizeof(T6) * entityIndex));
+
+                    action(*pEntity, ref *pComp0,ref *pComp1,ref *pComp2,ref *pComp3,ref *pComp4,ref *pComp5,ref *pComp6);
+                }
+            }
+        }
+    }
+
+    public readonly void ForEach<T0, T1, T2, T3, T4, T5, T6, T7>(ForEachWithEntity<T0, T1, T2, T3, T4, T5, T6, T7> action)
+        where T0 : unmanaged, IComponent
+        where T1 : unmanaged, IComponent
+        where T2 : unmanaged, IComponent
+        where T3 : unmanaged, IComponent
+        where T4 : unmanaged, IComponent
+        where T5 : unmanaged, IComponent
+        where T6 : unmanaged, IComponent
+        where T7 : unmanaged, IComponent
+    {
+        var world = World.GetWorld(_worldID).GetValueOrThrow(ResultStatus.Success);
+
+        var compTypeIDs = stackalloc int[] { ComponentTypeID<T0>.value, ComponentTypeID<T1>.value, ComponentTypeID<T2>.value, ComponentTypeID<T3>.value, ComponentTypeID<T4>.value, ComponentTypeID<T5>.value, ComponentTypeID<T6>.value, ComponentTypeID<T7>.value };
+        var offsets = stackalloc int[8];
+        var basePtrs = stackalloc byte*[8];
+
+        foreach (var archetypeID in _matchingArchetypes)
+        {
+            ref var archetype = ref world.GetArchetypeReference(archetypeID);
+            var hasAllComponents = true;
+            for (var index = 0; index < 8; index++)
+            {
+                offsets[index] = archetype.GetOffset(compTypeIDs[index]);
+                if (offsets[index] == -1)
+                {
+                    hasAllComponents = false;
+                    break;
+                }
+            }
+
+            if (!hasAllComponents)
+            {
+                continue;
+            }
+
+            for (var chunkIndex = 0; chunkIndex < archetype.ChunkCount; chunkIndex++)
+            {
+                ref var chunk = ref archetype.GetChunkReference(chunkIndex);
+                var count = chunk.Count;
+                for (var index = 0; index < 8; index++)
+                {
+                    basePtrs[index] = chunk.GetUnsafePtr() + offsets[index];
+                }
+
+                for (var entityIndex = 0; entityIndex < count; entityIndex++)
+                {
+                    var pEntity = (Entity*)(chunk.GetUnsafePtr() + archetype.EntityIDsOffset + (sizeof(Entity) * entityIndex));
+                    var pComp0 = (T0*)(basePtrs[0] + (sizeof(T0) * entityIndex));
+                    var pComp1 = (T1*)(basePtrs[1] + (sizeof(T1) * entityIndex));
+                    var pComp2 = (T2*)(basePtrs[2] + (sizeof(T2) * entityIndex));
+                    var pComp3 = (T3*)(basePtrs[3] + (sizeof(T3) * entityIndex));
+                    var pComp4 = (T4*)(basePtrs[4] + (sizeof(T4) * entityIndex));
+                    var pComp5 = (T5*)(basePtrs[5] + (sizeof(T5) * entityIndex));
+                    var pComp6 = (T6*)(basePtrs[6] + (sizeof(T6) * entityIndex));
+                    var pComp7 = (T7*)(basePtrs[7] + (sizeof(T7) * entityIndex));
+
+                    action(*pEntity, ref *pComp0,ref *pComp1,ref *pComp2,ref *pComp3,ref *pComp4,ref *pComp5,ref *pComp6,ref *pComp7);
+                }
+            }
+        }
+    }
+
+}

Ghost.Entities/Templates/EntityQuery.ForEach.tt

@@ -0,0 +1,127 @@
+<#@ template language="C#" #>
+<#@ output extension="gen.cs" #>
+<#@ assembly name="System.Core" #>
+<#@ import namespace="System.Linq" #>
+<#@ import namespace="System.Text" #>
+<#@ include file="Helpers.ttinclude" #>
+using Ghost.Core;
+
+namespace Ghost.Entities;
+
+public unsafe partial struct EntityQuery
+{
+<# for (var i = 1; i <= Amount; i++)
+{
+    var generics = AppendGenerics(i);
+    var compGenerics = AppendGenericRefParameters(i);
+    var restrictions = AppendGenericRestrictionsMultiline(i, "unmanaged, IComponent", 2);
+#>
+    public readonly void ForEach<<#= generics #>>(ForEach<<#= generics #>> action)
+<#= restrictions #>
+    {
+        var world = World.GetWorld(_worldID).GetValueOrThrow(ResultStatus.Success);
+
+        var compTypeIDs = stackalloc int[] { <#= AppendGenerics(i, "ComponentTypeID<T{0}>.value") #> };
+        var offsets = stackalloc int[<#= i #>];
+        var basePtrs = stackalloc byte*[<#= i #>];
+
+        foreach (var archetypeID in _matchingArchetypes)
+        {
+            ref var archetype = ref world.GetArchetypeReference(archetypeID);
+            var hasAllComponents = true;
+            for (var index = 0; index < <#= i #>; index++)
+            {
+                offsets[index] = archetype.GetOffset(compTypeIDs[index]);
+                if (offsets[index] == -1)
+                {
+                    hasAllComponents = false;
+                    break;
+                }
+            }
+
+            if (!hasAllComponents)
+            {
+                continue;
+            }
+
+            for (var chunkIndex = 0; chunkIndex < archetype.ChunkCount; chunkIndex++)
+            {
+                ref var chunk = ref archetype.GetChunkReference(chunkIndex);
+                var count = chunk.Count;
+                for (var index = 0; index < <#= i #>; index++)
+                {
+                    basePtrs[index] = chunk.GetUnsafePtr() + offsets[index];
+                }
+
+                for (var entityIndex = 0; entityIndex < count; entityIndex++)
+                {
+<# for (var localIndex = 0; localIndex < i; localIndex++) { #>
+                    var pComp<#= localIndex #> = (T<#= localIndex #>*)(basePtrs[<#= localIndex #>] + (sizeof(T<#= localIndex #>) * entityIndex));
+<# } #>
+
+                    action(<#= AppendRefParameters(i, "*pComp{0}") #>);
+                }
+            }
+        }
+    }
+
+<# } #>
+
+<# for (var i = 1; i <= Amount; i++)
+{
+    var generics = AppendGenerics(i);
+    var compGenerics = AppendGenericRefParameters(i);
+    var restrictions = AppendGenericRestrictionsMultiline(i, "unmanaged, IComponent", 2);
+#>
+    public readonly void ForEach<<#= generics #>>(ForEachWithEntity<<#= generics #>> action)
+<#= restrictions #>
+    {
+        var world = World.GetWorld(_worldID).GetValueOrThrow(ResultStatus.Success);
+
+        var compTypeIDs = stackalloc int[] { <#= AppendGenerics(i, "ComponentTypeID<T{0}>.value") #> };
+        var offsets = stackalloc int[<#= i #>];
+        var basePtrs = stackalloc byte*[<#= i #>];
+
+        foreach (var archetypeID in _matchingArchetypes)
+        {
+            ref var archetype = ref world.GetArchetypeReference(archetypeID);
+            var hasAllComponents = true;
+            for (var index = 0; index < <#= i #>; index++)
+            {
+                offsets[index] = archetype.GetOffset(compTypeIDs[index]);
+                if (offsets[index] == -1)
+                {
+                    hasAllComponents = false;
+                    break;
+                }
+            }
+
+            if (!hasAllComponents)
+            {
+                continue;
+            }
+
+            for (var chunkIndex = 0; chunkIndex < archetype.ChunkCount; chunkIndex++)
+            {
+                ref var chunk = ref archetype.GetChunkReference(chunkIndex);
+                var count = chunk.Count;
+                for (var index = 0; index < <#= i #>; index++)
+                {
+                    basePtrs[index] = chunk.GetUnsafePtr() + offsets[index];
+                }
+
+                for (var entityIndex = 0; entityIndex < count; entityIndex++)
+                {
+                    var pEntity = (Entity*)(chunk.GetUnsafePtr() + archetype.EntityIDsOffset + (sizeof(Entity) * entityIndex));
+<# for (var localIndex = 0; localIndex < i; localIndex++) { #>
+                    var pComp<#= localIndex #> = (T<#= localIndex #>*)(basePtrs[<#= localIndex #>] + (sizeof(T<#= localIndex #>) * entityIndex));
+<# } #>
+
+                    action(*pEntity, <#= AppendRefParameters(i, "*pComp{0}") #>);
+                }
+            }
+        }
+    }
+
+<# } #>
+}

Ghost.Entities/Templates/ForEach.gen.cs

@@ -0,0 +1,21 @@
+
+
+namespace Ghost.Entities;
+
+public delegate void ForEach<T0>(ref T0 t0Component);
+public delegate void ForEach<T0, T1>(ref T0 t0Component,ref T1 t1Component);
+public delegate void ForEach<T0, T1, T2>(ref T0 t0Component,ref T1 t1Component,ref T2 t2Component);
+public delegate void ForEach<T0, T1, T2, T3>(ref T0 t0Component,ref T1 t1Component,ref T2 t2Component,ref T3 t3Component);
+public delegate void ForEach<T0, T1, T2, T3, T4>(ref T0 t0Component,ref T1 t1Component,ref T2 t2Component,ref T3 t3Component,ref T4 t4Component);
+public delegate void ForEach<T0, T1, T2, T3, T4, T5>(ref T0 t0Component,ref T1 t1Component,ref T2 t2Component,ref T3 t3Component,ref T4 t4Component,ref T5 t5Component);
+public delegate void ForEach<T0, T1, T2, T3, T4, T5, T6>(ref T0 t0Component,ref T1 t1Component,ref T2 t2Component,ref T3 t3Component,ref T4 t4Component,ref T5 t5Component,ref T6 t6Component);
+public delegate void ForEach<T0, T1, T2, T3, T4, T5, T6, T7>(ref T0 t0Component,ref T1 t1Component,ref T2 t2Component,ref T3 t3Component,ref T4 t4Component,ref T5 t5Component,ref T6 t6Component,ref T7 t7Component);
+
+public delegate void ForEachWithEntity<T0>(Entity entity, ref T0 t0Component);
+public delegate void ForEachWithEntity<T0, T1>(Entity entity, ref T0 t0Component,ref T1 t1Component);
+public delegate void ForEachWithEntity<T0, T1, T2>(Entity entity, ref T0 t0Component,ref T1 t1Component,ref T2 t2Component);
+public delegate void ForEachWithEntity<T0, T1, T2, T3>(Entity entity, ref T0 t0Component,ref T1 t1Component,ref T2 t2Component,ref T3 t3Component);
+public delegate void ForEachWithEntity<T0, T1, T2, T3, T4>(Entity entity, ref T0 t0Component,ref T1 t1Component,ref T2 t2Component,ref T3 t3Component,ref T4 t4Component);
+public delegate void ForEachWithEntity<T0, T1, T2, T3, T4, T5>(Entity entity, ref T0 t0Component,ref T1 t1Component,ref T2 t2Component,ref T3 t3Component,ref T4 t4Component,ref T5 t5Component);
+public delegate void ForEachWithEntity<T0, T1, T2, T3, T4, T5, T6>(Entity entity, ref T0 t0Component,ref T1 t1Component,ref T2 t2Component,ref T3 t3Component,ref T4 t4Component,ref T5 t5Component,ref T6 t6Component);
+public delegate void ForEachWithEntity<T0, T1, T2, T3, T4, T5, T6, T7>(Entity entity, ref T0 t0Component,ref T1 t1Component,ref T2 t2Component,ref T3 t3Component,ref T4 t4Component,ref T5 t5Component,ref T6 t6Component,ref T7 t7Component);

Ghost.Entities/Templates/ForEach.tt

@@ -0,0 +1,24 @@
+<#@ template language="C#" #>
+<#@ output extension="gen.cs" #>
+<#@ assembly name="System.Core" #>
+<#@ import namespace="System.Linq" #>
+<#@ import namespace="System.Text" #>
+<#@ include file="Helpers.ttinclude" #>
+
+namespace Ghost.Entities;
+
+<# for (var i = 1; i <= Amount; i++)
+{
+    var generics = AppendGenerics(i);
+    var compGenerics = AppendGenericRefParameters(i);
+#>
+public delegate void ForEach<<#= generics #>>(<#= compGenerics #>);
+<# } #>
+
+<# for (var i = 1; i <= Amount; i++)
+{
+    var generics = AppendGenerics(i);
+    var compGenerics = AppendGenericRefParameters(i);
+#>
+public delegate void ForEachWithEntity<<#= generics #>>(Entity entity, <#= compGenerics #>);
+<# } #>

Ghost.Entities/Templates/Helpers.ttinclude

@@ -0,0 +1,149 @@
+<#@ import namespace="System.Text" #>
+<#@ import namespace="System.Collections.Generic" #>
+<#+
+
+    public int Amount = 8;
+    public int ExtensionAmount = 3;
+
+    public string Indent(StringBuilder sb, int spaces)
+    {
+        var indent = new string(' ', spaces);
+        return sb.ToString().Replace("\n", "\n" + indent);
+    }
+
+    string AppendGenerics(int amount, string template)
+    {
+        var sb = new StringBuilder();
+        for (var i = 0; i < amount; i++)
+        {
+            if (i > 0) sb.Append(", ");
+            sb.Append(string.Format(template, i));
+        }
+        return sb.ToString();
+    }
+
+    string AppendGenerics(int amount)
+    {
+        return AppendGenerics(amount, "T{0}");
+    }
+
+    public StringBuilder AppendGenericRefParameters(int amount)
+    {
+        var sb = new StringBuilder();
+        for (var localIndex = 0; localIndex < amount; localIndex++)
+        {
+            sb.Append($"ref T{localIndex} t{localIndex}Component,");
+        }
+
+        sb.Length--;
+        return sb;
+    }
+
+    public StringBuilder AppendRefParameters(int amount, string template)
+    {
+        var sb = new StringBuilder();
+        for (var localIndex = 0; localIndex < amount; localIndex++)
+        {
+            sb.Append($"ref {string.Format(template, localIndex)},");
+        }
+
+        sb.Length--;
+        return sb;
+    }
+
+    public StringBuilder AppendGenericRestrictions(int amount, string Ttemplate, string template)
+    {
+        var sb = new StringBuilder();
+        for (var localIndex = 0; localIndex < amount; localIndex++)
+        {
+            sb.Append($"where {Ttemplate}{localIndex} : {template}");
+            if (localIndex < amount - 1)
+            {
+                sb.Append(' ');
+            }
+        }
+        return sb;
+    }
+
+    public StringBuilder AppendGenericRestrictions(int amount, string template)
+    {
+        return AppendGenericRestrictions(amount, "T", template);
+    }
+
+    public StringBuilder AppendGenericRestrictionsMultiline(int amount, string Ttemplate, string template, int indentation)
+    {
+        var sb = new StringBuilder();
+        var spaces = new string(' ', indentation * 4);
+
+        for (var localIndex = 0; localIndex < amount; localIndex++)
+        {
+            sb.Append($"{spaces}where {Ttemplate}{localIndex} : {template}");
+            if (localIndex < amount - 1)
+            {
+                sb.AppendLine();
+            }
+        }
+        return sb;
+    }
+
+    public StringBuilder AppendGenericRestrictionsMultiline(int amount, string template, int indentation)
+    {
+        return AppendGenericRestrictionsMultiline(amount, "T", template, indentation);
+    }
+
+    public StringBuilder TryGetComponentPools(int amount)
+    {
+        var sb = new StringBuilder();
+        for (var localIndex = 0; localIndex < amount; localIndex++)
+        {
+            sb.Append($"_componentStorage.TryGetPool<T{localIndex}>(out var pool{localIndex})");
+            if (localIndex < amount - 1)
+            {
+                sb.Append(" && ");
+            }
+        }
+        return sb;
+    }
+
+    public StringBuilder HasEntity(int amount)
+    {
+        var sb = new StringBuilder();
+        for (var localIndex = 1; localIndex < amount; localIndex++)
+        {
+            sb.Append($"pool{localIndex}.Has(entity)");
+            if (localIndex < amount - 1)
+            {
+                sb.Append(" && ");
+            }
+        }
+        return sb;
+    }
+
+    public StringBuilder GetComponent(int amount)
+    {
+        var sb = new StringBuilder();
+        for (var localIndex = 0; localIndex < amount; localIndex++)
+        {
+            sb.Append($"pool{localIndex}.GetRef(entity)");
+            if (localIndex < amount - 1)
+            {
+                sb.Append(", ");
+            }
+        }
+        return sb;
+    }
+
+    public StringBuilder GetComponentRef(int amount)
+    {
+        var sb = new StringBuilder();
+        for (var localIndex = 0; localIndex < amount; localIndex++)
+        {
+            sb.Append($"ref pool{localIndex}.GetRef(entity)");
+            if (localIndex < amount - 1)
+            {
+                sb.Append(", ");
+            }
+        }
+        return sb;
+    }
+#>

Ghost.Entities/World.cs

@@ -196,6 +196,16 @@ public partial class World : IIdentifierType, IDisposable, IEquatable<World>
             return;
         }
 
+        foreach (var archetype in _archetypes)
+        {
+            archetype.Dispose();
+        }
+
+        foreach (var query in _entityQueries)
+        {
+            query.Dispose();
+        }
+
         _entityManager.Dispose();
         _entityCommandBuffer.Dispose();
 

Ghost.SparseEntities/Template/Helpers.ttinclude

@@ -1,4 +1,4 @@
-<#@ import namespace="System.Text" #>
+<#@ import namespace="System.Text" #>
 <#@ import namespace="System.Collections.Generic" #>
 <#+
 
@@ -17,14 +17,14 @@
         for (var i = 0; i < amount; i++)
         {
             if (i > 0) sb.Append(", ");
-            sb.Append($"{template}{i}");
+            sb.Append(string.Format(template, i));
         }
         return sb.ToString();
     }
 
     string AppendGenerics(int amount)
     {
-        return AppendGenerics(amount, "T");
+        return AppendGenerics(amount, "T{0}");
     }
 
     public StringBuilder AppendGenericRefParameters(int amount)