完善client agent

Assets/Scenes/NetworkDriverAsset.asset

@@ -12,7 +12,8 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: b79190dcfae6a2f4fbdfc9deccf00ef7, type: 3}
   m_Name: NetworkDriverAsset
   m_EditorClassIdentifier: 
-  useSimulator: 0
+  port: 7777
+  useSimulator: 1
   packetDelayMs: 500
   packetJitterMs: 300
   packetDropPercentage: 10

Assets/Scenes/SampleScene.unity

@@ -38,7 +38,6 @@ RenderSettings:
   m_ReflectionIntensity: 1
   m_CustomReflection: {fileID: 0}
   m_Sun: {fileID: 705507994}
-  m_IndirectSpecularColor: {r: 0.44657815, g: 0.49641192, b: 0.57481617, a: 1}
   m_UseRadianceAmbientProbe: 0
 --- !u!157 &3
 LightmapSettings:
@@ -104,7 +103,7 @@ NavMeshSettings:
   serializedVersion: 2
   m_ObjectHideFlags: 0
   m_BuildSettings:
-    serializedVersion: 2
+    serializedVersion: 3
     agentTypeID: 0
     agentRadius: 0.5
     agentHeight: 2
@@ -117,7 +116,7 @@ NavMeshSettings:
     cellSize: 0.16666667
     manualTileSize: 0
     tileSize: 256
-    accuratePlacement: 0
+    buildHeightMesh: 0
     maxJobWorkers: 0
     preserveTilesOutsideBounds: 0
     debug:
@@ -209,13 +208,13 @@ Transform:
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   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 705507993}
+  serializedVersion: 2
   m_LocalRotation: {x: 0.40821788, y: -0.23456968, z: 0.10938163, w: 0.8754261}
   m_LocalPosition: {x: 0, y: 3, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 0}
-  m_RootOrder: 1
   m_LocalEulerAnglesHint: {x: 50, y: -30, z: 0}
 --- !u!1 &963194225
 GameObject:
@@ -228,7 +227,6 @@ GameObject:
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   - component: {fileID: 963194227}
   - component: {fileID: 963194226}
-  - component: {fileID: 963194229}
   m_Layer: 0
   m_Name: Main Camera
   m_TagString: MainCamera
@@ -258,9 +256,17 @@ Camera:
   m_projectionMatrixMode: 1
   m_GateFitMode: 2
   m_FOVAxisMode: 0
+  m_Iso: 200
+  m_ShutterSpeed: 0.005
+  m_Aperture: 16
+  m_FocusDistance: 10
+  m_FocalLength: 50
+  m_BladeCount: 5
+  m_Curvature: {x: 2, y: 11}
+  m_BarrelClipping: 0.25
+  m_Anamorphism: 0
   m_SensorSize: {x: 36, y: 24}
   m_LensShift: {x: 0, y: 0}
-  m_FocalLength: 50
   m_NormalizedViewPortRect:
     serializedVersion: 2
     x: 0
@@ -294,23 +300,156 @@ Transform:
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   m_PrefabAsset: {fileID: 0}
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   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
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   m_LocalScale: {x: 1, y: 1, z: 1}
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   m_Father: {fileID: 0}
-  m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
---- !u!114 &963194229
+--- !u!1 &1613085077
+GameObject:
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+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
+  m_Component:
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+  - component: {fileID: 1613085079}
+  m_Layer: 0
+  m_Name: ClientMain
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 0
+--- !u!4 &1613085078
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   m_CorrespondingSourceObject: {fileID: 0}
   m_PrefabInstance: {fileID: 0}
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   m_Enabled: 1
   m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: 694d8256118344eb2b130fceb1a11b7f, type: 3}
+  m_Script: {fileID: 11500000, guid: d126d712307544dd89716677e730aa93, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
+  address: 127.0.0.1
+  driverAsset: {fileID: 11400000, guid: a8a5562854ecf4cc1a49700e8bd93c19, type: 2}
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+--- !u!114 &1633746921
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+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
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+--- !u!114 &1936170115
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+  driverAsset: {fileID: 11400000, guid: a8a5562854ecf4cc1a49700e8bd93c19, type: 2}
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+Transform:
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+  m_Father: {fileID: 0}
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+--- !u!1660057539 &9223372036854775807
+SceneRoots:
+  m_ObjectHideFlags: 0
+  m_Roots:
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+  - {fileID: 705507995}
+  - {fileID: 1936170116}
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+  - {fileID: 1633746922}

Assets/Scripts/Client.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 48c265b50587429a9a7555df18d64661
+timeCreated: 1765786522

Assets/Scripts/Client/ClientMain.cs

@@ -0,0 +1,57 @@
+using System;
+using GameCore.Network;
+using Unity.Collections;
+using Unity.Jobs;
+using Unity.Networking.Transport;
+using UnityEngine;
+
+namespace ECSTest
+{
+    public class ClientMain : MonoBehaviour
+    {
+        public string address = "127.0.0.1";
+        public NetworkDriverAsset driverAsset;
+        
+        private NetworkDriver driver;
+        private NetworkPipeline unreliablePipeline;
+        private NetworkPipeline reliablePipeline;
+        private NativeReference<NetworkConnection> connection;
+        private JobHandle jobHandle;
+
+        private void OnEnable()
+        {
+            driver = driverAsset.CreateClientDriver(address, out var c, out unreliablePipeline, out reliablePipeline);
+            connection = new NativeReference<NetworkConnection>(c, Allocator.Persistent);
+        }
+
+        private void OnDisable()
+        {
+            jobHandle.Complete();
+
+            if (connection.IsCreated)
+            {
+                driver.Disconnect(connection.Value);
+                driver.ScheduleUpdate().Complete();
+            }
+
+            connection.Dispose();
+            driver.Dispose();
+        }
+
+        void Update()
+        {
+            jobHandle.Complete();
+            
+            //TODO Render()
+
+            jobHandle = driver.ScheduleUpdate();
+            jobHandle = new ClientUpdateJob()
+            {
+                driver = driver,
+                unreliablePipeline = unreliablePipeline,
+                reliablePipeline = reliablePipeline,
+                connection = connection,
+            }.Schedule(jobHandle);
+        }
+    }
+}

Assets/Scripts/Client/ClientMain.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: d126d712307544dd89716677e730aa93
+timeCreated: 1765786534

Assets/Scripts/Client/ClientUpdateJob.cs

@@ -0,0 +1,43 @@
+using Unity.Burst;
+using Unity.Collections;
+using Unity.Jobs;
+using Unity.Networking.Transport;
+using UnityEngine;
+
+namespace ECSTest
+{
+    [BurstCompile]
+    public struct ClientUpdateJob : IJob
+    {
+        public NetworkDriver driver;
+        public NetworkPipeline unreliablePipeline;
+        public NetworkPipeline reliablePipeline;
+        public NativeReference<NetworkConnection> connection;
+        
+        public void Execute()
+        {
+            if (connection.Value == default)
+                return;
+
+            NetworkEvent.Type cmd;
+            while ((cmd = connection.Value.PopEvent(driver, out var stream, out var networkPipeline)) !=
+                   NetworkEvent.Type.Empty)
+            {
+                if (cmd == NetworkEvent.Type.Data)
+                {
+                    //TODO
+                }
+                else if (cmd == NetworkEvent.Type.Connect)
+                {
+                    Debug.Log("[Client] Connected to server");
+                    //TODO
+                }
+                else if (cmd == NetworkEvent.Type.Disconnect)
+                {
+                    connection.Value = default;
+                    Debug.Log("[Client] Disconnected to server");
+                }
+            }
+        }
+    }
+}

Assets/Scripts/Client/ClientUpdateJob.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: ffb4af76205e4a638c5343a82b13ce08
+timeCreated: 1765789910

Assets/Scripts/EntityData.cs

@@ -1,7 +1,7 @@
 using GameCore.TinyECS;
 using Unity.Mathematics;
 
-namespace GameCore.Test
+namespace ECSTest
 {
     using Entity = Entity<EntityType>;
 

Assets/Scripts/EntityType.cs

@@ -1,9 +1,9 @@
-namespace GameCore.Test
+namespace ECSTest
 {
     public enum EntityType
     {
-        Unit,
-        Monster,
+        Cannon,
+        Bullet,
     }
 
 }

Assets/Scripts/Main.cs

@@ -1,19 +0,0 @@
-using System.Collections;
-using System.Collections.Generic;
-using GameCore.Test;
-using UnityEngine;
-
-public class Main : MonoBehaviour
-{
-    // Start is called before the first frame update
-    void Start()
-    {
-        TestEntityDataBlock.Run();
-    }
-
-    // Update is called once per frame
-    void Update()
-    {
-        
-    }
-}

Assets/Scripts/Server/GameLogic.cs

@@ -0,0 +1,18 @@
+using Unity.Jobs;
+
+namespace ECSTest.Server
+{
+    public class GameLogic
+    {
+        public JobHandle Simulate(int beginFrameId, int frameCount, JobHandle dependency)
+        {
+            //TODO
+            return dependency;
+        }
+
+        private JobHandle Step(int frameId, JobHandle dependency)
+        {
+            return dependency;
+        }
+    }
+}

Assets/Scripts/Server/GameLogic.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 51ab02ddeb9e4cdbb736075b2c7b43a8
+timeCreated: 1765871132

Assets/Scripts/Server/ServerConnectionJob.cs

@@ -1,17 +1,18 @@
+using Unity.Burst;
+using Unity.Collections;
+using Unity.Jobs;
+using Unity.Networking.Transport;
+using UnityEngine;
 
-    using Unity.Burst;
-    using Unity.Collections;
-    using Unity.Jobs;
-    using Unity.Networking.Transport;
-    using UnityEngine;
-
+namespace ECSTest.Server
+{
     [BurstCompile]
     public struct ServerConnectionJob : IJob
     {
         public NetworkDriver driver;
         public NativeList<NetworkConnection> connectionList;
         public NativeList<int> disconnectIndexList;
-        
+
         public void Execute()
         {
             // disconnect
@@ -21,6 +22,7 @@
                 var index = disconnectIndexList[i];
                 connectionList.RemoveAtSwapBack(index);
             }
+
             disconnectIndexList.Clear();
 
             // connect
@@ -28,7 +30,12 @@
             while ((c = driver.Accept()) != default)
             {
                 connectionList.Add(c);
-                Debug.Log("Accepted a connection");
+                Debug.Log("[Server] Accepted a connection");
             }
+            
+            if (connectionList.Length > disconnectIndexList.Capacity)
+                disconnectIndexList.SetCapacity(connectionList.Length);
         }
     }
+
+}

Assets/Scripts/Server/ServerGameData.cs

@@ -0,0 +1,19 @@
+using Unity.Mathematics;
+
+namespace ECSTest.Server
+{
+    public struct CannonData
+    {
+        public float2 position;
+        public float2 velocity;
+        public float direction;
+        public int cooldownFrameId;
+        public int health;
+        public int deathFrameId;
+    }
+    
+    public struct BulletData
+    {
+        public float2 position;
+    }
+}

Assets/Scripts/Server/ServerGameData.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 8e44ed253ab647b3910794e124e6402e
+timeCreated: 1766030729

Assets/Scripts/Server/ServerGameLogicJobs.cs

@@ -0,0 +1,87 @@
+using GameCore.TinyECS;
+using Unity.Burst;
+using Unity.Collections;
+using Unity.Jobs;
+using Unity.Mathematics;
+using UnityEngine;
+using Random = Unity.Mathematics.Random;
+
+namespace ECSTest.Server
+{
+
+    [BurstCompile]
+    public struct TestWorldJob : IJob
+    {
+        public World world;
+
+        public void Execute()
+        {
+            // var componentId = ComponentId<BulletData>.Get();
+            // Debug.LogError($"XXXX bulletData id: {componentId}");
+            // var componentId2 = ComponentId<CannonData>.Get();
+            // Debug.LogError($"xxxx2222 CannonData id: {componentId2}");
+        }
+    }
+    
+    [BurstCompile]
+    public struct GetDeferred : IJob
+    {
+        public World world;
+
+        public void Execute()
+        {
+            // var componentId = ComponentId<BulletData>.Get();
+            // Debug.LogError($"XXXX bulletData id: {componentId}");
+            // var componentId2 = ComponentId<CannonData>.Get();
+            // Debug.LogError($"xxxx2222 CannonData id: {componentId2}");
+        }
+    }
+
+    [BurstCompile]
+    public struct SpawnCannonJob : IJob
+    {
+        public World world;
+        public NativeList<bool> deferList;
+
+        public uint seed;
+        public int maxCount;
+        public int spawnCountPerFrame;
+        public Rect rect;
+        public int initHealth;
+        
+        public void Execute()
+        {
+            ref var database = ref world.cannonDatabase;
+            if (database.Count >= maxCount)
+                return;
+
+            var random = new Random(seed);
+            for (int i = 0; i < spawnCountPerFrame; i++)
+            {
+                var pos = random.NextFloat2(rect.min, rect.max);
+                var dir = random.NextFloat(math.PI2);
+                math.sincos(dir, out var s, out var c);
+                var velocity = new float2(c, s);
+
+                var entity = database.AddEntity();
+                ref var cannonData = ref database.GetDataRef<CannonData>(entity);
+                cannonData.position = pos;
+                cannonData.velocity = velocity;
+                cannonData.direction = dir;
+                cannonData.health = initHealth;
+            }
+        }
+    }
+    
+    
+    [BurstCompile]
+    public struct SpawnBulletJob : IJob
+    {
+        public World World;
+        
+        public void Execute()
+        {
+
+        }
+    }
+}

Assets/Scripts/Server/ServerGameLogicJobs.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 9cfef090e4d64e91bf319abd48fe7e18
+timeCreated: 1765877986

Assets/Scripts/Server/ServerMain.cs

@@ -2,57 +2,88 @@ using System;
 using System.Collections;
 using System.Collections.Generic;
 using GameCore.Network;
+using GameCore.TinyECS;
 using Unity.Collections;
 using Unity.Jobs;
 using Unity.Networking.Transport;
 using UnityEngine;
 
-public class ServerMain : MonoBehaviour
+namespace ECSTest.Server
 {
-    public string address = "127.0.0.1";
-    public NetworkDriverAsset driverAsset;
-    
-    private NetworkDriver driver;
-    private JobHandle networkJobHandle;
-    private NativeList<NetworkConnection> connectionList;
-    private NativeList<int> disconnectIndexList;
-
-    private void OnEnable()
+    public class ServerMain : MonoBehaviour
     {
-        driver = driverAsset.CreateServerDriver(address);
-        
-        connectionList = new NativeList<NetworkConnection>(16,Allocator.Persistent);
-        disconnectIndexList = new NativeList<int>(16, Allocator.Persistent);
-    }
+        public string address = "127.0.0.1";
+        public NetworkDriverAsset driverAsset;
 
-    private void OnDisable()
-    {
-        networkJobHandle.Complete();
+        private NetworkDriver driver;
+        private NetworkPipeline unreliablePipeline;
+        private NetworkPipeline reliablePipeline;
+        private JobHandle networkJobHandle;
+        private NativeList<NetworkConnection> connectionList;
+        private NativeList<int> disconnectIndexList;
 
-        driver.Dispose();
-        
-        connectionList.Dispose();
-        disconnectIndexList.Dispose();
-    }
-    
-    void Update()
-    {
-        networkJobHandle.Complete();
+        private World world;
+        private JobHandle gameLogicJobHandle;
 
-        var concurrentDriver = driver.ToConcurrent();
-
-        networkJobHandle = driver.ScheduleUpdate();
-        networkJobHandle = new ServerConnectionJob()
+        private void OnEnable()
         {
-            driver = driver,
-            connectionList = connectionList,
-            disconnectIndexList = disconnectIndexList,
-        }.Schedule(networkJobHandle);
-        
-        networkJobHandle = new ServerReceiveJob()
-        {
-            driver = concurrentDriver,
-        }.Schedule(connectionList, 16, networkJobHandle);
+            driver = driverAsset.CreateServerDriver(address, out unreliablePipeline, out reliablePipeline);
 
+            connectionList = new NativeList<NetworkConnection>(16, Allocator.Persistent);
+            disconnectIndexList = new NativeList<int>(16, Allocator.Persistent);
+
+            var cannonMeta = EntityDataBlockMeta.Create<CannonData>();
+            var cannonDataBlockChain = new EntityDataBlockChain(cannonMeta, Allocator.Persistent);
+            world.cannonDatabase = cannonDataBlockChain.CreateEntityDatabase(EntityType.Cannon, 16);
+            
+            var bulletMeta = EntityDataBlockMeta.Create<BulletData>();
+            var bulletDataBlockChain = new EntityDataBlockChain(bulletMeta, Allocator.Persistent);
+            world.bulletDatabase = bulletDataBlockChain.CreateEntityDatabase(EntityType.Bullet, 16);
+        }
+
+        private void OnDisable()
+        {
+            networkJobHandle.Complete();
+            gameLogicJobHandle.Complete();
+
+            driver.Dispose();
+
+            connectionList.Dispose();
+            disconnectIndexList.Dispose();
+            
+            world.Dispose();
+        }
+
+        void Update()
+        {
+            networkJobHandle.Complete();
+
+            var concurrentDriver = driver.ToConcurrent();
+
+            networkJobHandle = driver.ScheduleUpdate();
+            networkJobHandle = new ServerConnectionJob()
+            {
+                driver = driver,
+                connectionList = connectionList,
+                disconnectIndexList = disconnectIndexList,
+            }.Schedule(networkJobHandle);
+
+            networkJobHandle = new ServerReceiveJob()
+            {
+                driver = concurrentDriver,
+                connectionList = connectionList,
+                disconnectIndexList = disconnectIndexList.AsParallelWriter(),
+            }.Schedule(connectionList, 16, networkJobHandle);
+
+            if (gameLogicJobHandle.IsCompleted)
+            {
+                gameLogicJobHandle.Complete();
+                gameLogicJobHandle = new TestWorldJob()
+                {
+                    world = world,
+                    
+                }.Schedule(networkJobHandle);
+            }
+        }
     }
 }

Assets/Scripts/Server/ServerReceiveJob.cs

@@ -1,15 +1,37 @@
+using Unity.Burst;
+using Unity.Collections;
+using Unity.Jobs;
+using Unity.Networking.Transport;
+using UnityEngine;
 
-    using Unity.Burst;
-    using Unity.Jobs;
-    using Unity.Networking.Transport;
-
+namespace ECSTest.Server
+{
     [BurstCompile]
     public struct ServerReceiveJob : IJobParallelForDefer
     {
         public NetworkDriver.Concurrent driver;
-        
+        [ReadOnly]
+        public NativeList<NetworkConnection> connectionList;
+        public NativeList<int>.ParallelWriter disconnectIndexList;
+
         public void Execute(int index)
         {
- 
+            var connection = connectionList[index];
+
+            NetworkEvent.Type cmd;
+            while ((cmd = driver.PopEventForConnection(connection, out var stream)) !=
+                   NetworkEvent.Type.Empty)
+            {
+                if (cmd == NetworkEvent.Type.Data)
+                {
+                    //TODO
+                }
+                else if (cmd == NetworkEvent.Type.Disconnect)
+                {
+                    disconnectIndexList.AddNoResize(index);
+                    Debug.Log("[Server] Received a disconnection");
+                }
+            }
         }
     }
+}

Assets/Scripts/Server/ServerSendJob.cs

@@ -1,12 +1,13 @@
+using Unity.Burst;
+using Unity.Jobs;
 
-    using Unity.Burst;
-    using Unity.Jobs;
-
+namespace ECSTest.Server
+{
     [BurstCompile]
     public struct ServerSendJob : IJobParallelFor
     {
         public void Execute(int index)
         {
-
         }
     }
+}

Assets/Scripts/Server/World.cs

@@ -0,0 +1,17 @@
+using System;
+using GameCore.TinyECS;
+
+namespace ECSTest.Server
+{
+    public struct World : IDisposable
+    {
+        public EntityDatabase<EntityType, EntityDataBlockChain> cannonDatabase;
+        public EntityDatabase<EntityType, EntityDataBlockChain> bulletDatabase;
+
+        public void Dispose()
+        {
+            cannonDatabase.Dispose();
+            bulletDatabase.Dispose();
+        }
+    }
+}

Assets/Scripts/Server/World.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 34167e4ecf924d05b9abd31eb2b2e464
+timeCreated: 1765879427

Assets/Scripts/TestEntityDataBlock.cs

@@ -1,17 +1,18 @@
 using GameCore.TinyECS;
+using Unity.Collections;
 using UnityEngine;
 
-namespace GameCore.Test
+namespace ECSTest
 {
     public static class TestEntityDataBlock
     {
         public static void Run()
         {
             var meta = EntityDataBlockMeta.Create<TransformData, StateData>();
-            using var blockChain = new EntityDataBlockChain(meta, 1000);
+            using var blockChain = new EntityDataBlockChain(meta, Allocator.Persistent, 1000);
             
             blockChain.Add();
-            ref var stateData = ref blockChain.GetData<StateData>(0);
+            ref var stateData = ref blockChain.GetDataRef<StateData>(0);
             stateData.hp = 1000;
 
             var view = blockChain.AsBlockView(0);

Assets/Scripts/TestIJobParallelForDefer.cs

@@ -0,0 +1,57 @@
+using Unity.Burst;
+using Unity.Collections;
+using Unity.Jobs;
+using UnityEngine;
+
+namespace ECSTest
+{
+    public class TestIJobParallelForDefer
+    {
+        [BurstCompile]
+        public struct PopulateJob : IJob
+        {
+            public NativeList<int> input;
+            
+            public void Execute()
+            {
+                Debug.Log($"000===== length: {input.Length}");
+                for (int i = 0; i < 100; ++i)
+                    input.Add(i);
+            }
+        }
+        
+        [BurstCompile]
+        public struct StatJob : IJob
+        {
+            public NativeList<int> input;
+            
+            public void Execute()
+            {
+                Debug.Log($"111===== length: {input.Length}");
+            }
+        }
+        
+        
+        [BurstCompile]
+        public struct ParallelJob : IJobParallelForDefer
+        {
+            [ReadOnly] public NativeList<int> input;
+            
+            public void Execute(int index)
+            {
+                Debug.Log($"index: {index}, length: {input.Length}");
+            }
+        }
+
+        public static void Test()
+        {
+            var list = new NativeList<int>(100, Allocator.TempJob);
+            var handle = new PopulateJob() {input = list}.Schedule();
+            handle = new ParallelJob() { input = list }.Schedule(list, 16, handle);
+            handle = new PopulateJob() {input = list}.Schedule(handle);
+            handle = new ParallelJob() { input = list }.Schedule(list, 16, handle);
+            handle.Complete();
+            list.Dispose();
+        }
+    }
+}

Assets/Scripts/TestIJobParallelForDefer.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: c02a6e16e5b349d3b07d50471da304c9
+timeCreated: 1766089200

Assets/Scripts/TestJob.cs

@@ -1,19 +0,0 @@
-using System;
-using Unity.Burst;
-using Unity.Collections;
-using Unity.Collections.LowLevel.Unsafe;
-using Unity.Jobs;
-using Unity.Mathematics;
-using UnityEngine;
-
-namespace GameCore.Test
-{
-    [BurstCompile]
-    public struct TestJob : IJobParallelFor
-    {
-        public void Execute(int index)
-        {
-
-        }
-    }
-}

LocalPackages/com.nimin.lowlevel/Runtime/NativeArrayExtensions.cs

@@ -0,0 +1,31 @@
+using System;
+using Unity.Collections;
+using Unity.Collections.LowLevel.Unsafe;
+
+namespace GameCore.LowLevel
+{
+    public static class NativeArrayExtensions
+    {
+        public static ref T GetRef<T>(this NativeArray<T> array, int index)
+            where T : struct
+        {
+            if (index < 0 || index >= array.Length)
+                throw new ArgumentOutOfRangeException(nameof(index));
+            unsafe
+            {
+                return ref UnsafeUtility.ArrayElementAsRef<T>(array.GetUnsafePtr(), index);
+            }
+        }
+
+        public static ref readonly T GetReadOnlyRef<T>(this NativeArray<T> array, int index)
+            where T : struct
+        {
+            if (index < 0 || index >= array.Length)
+                throw new ArgumentOutOfRangeException(nameof(index));
+            unsafe
+            {
+                return ref UnsafeUtility.ArrayElementAsRef<T>(array.GetUnsafeReadOnlyPtr(), index);
+            }
+        }
+    }
+}

LocalPackages/com.nimin.lowlevel/Runtime/NativeArrayExtensions.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 9b8d3e5900ff43ab8d285485371094ca
+timeCreated: 1767086551

LocalPackages/com.nimin.lowlevel/Runtime/NativeDataContainer.cs

@@ -0,0 +1,67 @@
+using System;
+using Unity.Collections;
+using Unity.Collections.LowLevel.Unsafe;
+
+namespace GameCore.LowLevel
+{
+    public unsafe struct NativeDataContainer<T> : IDisposable where T : unmanaged
+    {
+        [NativeDisableUnsafePtrRestriction]
+        internal UnsafeDataContainer* m_UnsafeDataPtr;
+        internal AllocatorManager.AllocatorHandle m_Allocator;
+        
+        public int Length => m_UnsafeDataPtr->Length;
+
+        public bool IsCreated => m_UnsafeDataPtr != null;
+
+        public NativeDataContainer(AllocatorManager.AllocatorHandle allocator)
+        {
+            m_UnsafeDataPtr = AllocatorManager.Allocate<UnsafeDataContainer>(allocator);
+            *m_UnsafeDataPtr = new UnsafeDataContainer(UnsafeUtility.SizeOf<T>(), allocator);
+
+            m_Allocator = allocator;
+        }
+
+        public void Dispose()
+        {
+            if (!IsCreated)
+            {
+                return;
+            }
+
+            m_UnsafeDataPtr->Dispose();
+            AllocatorManager.Free(m_Allocator, m_UnsafeDataPtr);
+            m_UnsafeDataPtr = null;
+        }
+
+        public bool HasValue(int index)
+        {
+            return m_UnsafeDataPtr->HasValue(index);
+        }
+
+        public bool Free(int index)
+        {
+            return m_UnsafeDataPtr->Free(index);
+        }
+
+        public int Alloc(UnsafeDataContainer.AllocOptions options = UnsafeDataContainer.AllocOptions.None)
+        {
+            return m_UnsafeDataPtr->Alloc(options);
+        }
+
+        public ref T ElementAt(int index)
+        {
+            return ref m_UnsafeDataPtr->ElementAt<T>(index);
+        }
+
+        public void Clear()
+        {
+            m_UnsafeDataPtr->Clear();
+        }
+
+        public void CopyFrom(NativeDataContainer<T> other)
+        {
+            m_UnsafeDataPtr->CopyFrom(*other.m_UnsafeDataPtr);
+        }
+    }
+}

LocalPackages/com.nimin.lowlevel/Runtime/NativeDataContainer.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 8c8c1ce9e9104a6ab8e96adc313588fe
+timeCreated: 1767171335

LocalPackages/com.nimin.lowlevel/Runtime/TypedBuffer.cs

@@ -0,0 +1,51 @@
+using System;
+using Unity.Collections;
+using Unity.Collections.LowLevel.Unsafe;
+
+namespace GameCore.LowLevel
+{
+    public ref struct TypedBuffer<T> where T : unmanaged
+    {
+        public NativeList<byte> buffer;
+
+        public int Length => buffer.Length / UnsafeUtility.SizeOf<T>();
+
+        public TypedBuffer(NativeList<byte> buffer)
+        {
+            this.buffer = buffer;
+        }
+
+        public unsafe void Add(T data)
+        {
+            var oldLength = buffer.Length;
+            buffer.Resize(oldLength + sizeof(T), NativeArrayOptions.UninitializedMemory);
+            UnsafeUtility.CopyStructureToPtr(ref data, (byte*)buffer.GetUnsafePtr() + oldLength);
+        }
+
+        public unsafe T this[int index]
+        {
+            get
+            {
+                if (index < 0 || index >= Length)
+                    throw new IndexOutOfRangeException(nameof(index));
+                var p = (T*)buffer.GetUnsafeReadOnlyPtr();
+                return p[index];
+            }
+        }
+    }
+
+    public static class TypedBufferExtensions
+    {
+        public static TypedBuffer<T> ToTypedBuffer<T>(this NativeList<byte> buffer)
+            where T : unmanaged
+            => new(buffer);
+
+        public static unsafe void Sort<T>(this TypedBuffer<T> typedBuffer)
+            where T : unmanaged, IComparable<T>
+        {
+            var p = (T*)typedBuffer.buffer.GetUnsafePtr();
+            var l = typedBuffer.buffer.Length / sizeof(T);
+            NativeSortExtension.Sort(p, l);
+        }
+    }
+}

LocalPackages/com.nimin.lowlevel/Runtime/TypedBuffer.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: edfdc737cb64451ebdd0dc178e8c07af
+timeCreated: 1767469202

LocalPackages/com.nimin.lowlevel/Runtime/UnsafeDataContainer.cs

@@ -0,0 +1,124 @@
+using System;
+using Unity.Collections;
+using Unity.Collections.LowLevel.Unsafe;
+using UnityEngine;
+using UnityEngine.Assertions;
+
+namespace GameCore.LowLevel
+{
+    public unsafe struct UnsafeDataContainer : IDisposable
+    {
+        private struct FreeNode
+        {
+            public int next;
+            public int _padding;
+        }
+
+        public enum AllocOptions
+        {
+            None = 0,
+            ClearNew = 1,
+            ClearAll = 2,
+        }
+
+        public readonly int elementSize;
+        private UnsafeList<FreeNode> m_Buffer;
+        private readonly int m_NodeNumPerElement;
+
+        public int Length => m_Buffer.Length;
+
+        public bool IsCreated => m_Buffer.IsCreated;
+
+        public UnsafeDataContainer(int elementSize, AllocatorManager.AllocatorHandle allocator)
+        {
+            if (elementSize <= 0)
+                throw new ArgumentException(nameof(elementSize));
+
+            this.elementSize = elementSize;
+            m_NodeNumPerElement = ComputeNodeNumPerElement(elementSize);
+
+            m_Buffer = new UnsafeList<FreeNode>(0, allocator);
+            m_Buffer.Resize(m_NodeNumPerElement, NativeArrayOptions.ClearMemory);
+        }
+
+        public void Dispose()
+        {
+            m_Buffer.Dispose();
+        }
+
+        public bool HasValue(int index)
+        {
+            var node = m_Buffer[index * m_NodeNumPerElement];
+            return node.next < 0;
+        }
+
+        public bool Free(int index)
+        {
+            ref var node = ref m_Buffer.ElementAt(index * m_NodeNumPerElement);
+            if (node.next >= 0)
+                return false;
+
+            ref var head = ref m_Buffer.ElementAt(0);
+            node.next = head.next;
+            head.next = index;
+            return true;
+        }
+
+        public int Alloc(AllocOptions options = AllocOptions.None)
+        {
+            ref var head = ref m_Buffer.ElementAt(0);
+            var index = head.next;
+            if (index == 0)
+            {
+                index = m_Buffer.Length / m_NodeNumPerElement;
+                m_Buffer.Resize(m_Buffer.Length + m_NodeNumPerElement,
+                    options == AllocOptions.None
+                        ? NativeArrayOptions.UninitializedMemory
+                        : NativeArrayOptions.ClearMemory);
+                m_Buffer.ElementAt(index * m_NodeNumPerElement).next = -1;
+                return index;
+            }
+
+            ref var node = ref m_Buffer.ElementAt(index * m_NodeNumPerElement);
+            if (options == AllocOptions.ClearAll)
+            {
+                var ptr = m_Buffer.Ptr + index * m_NodeNumPerElement;
+                UnsafeUtility.MemClear(ptr, m_NodeNumPerElement * UnsafeUtility.SizeOf<FreeNode>());
+            }
+
+            head.next = node.next;
+            node.next = -1;
+            return index;
+        }
+
+        public ref T ElementAt<T>(int index) where T : unmanaged
+        {
+            ref var node = ref m_Buffer.ElementAt(index * m_NodeNumPerElement);
+            if (node.next >= 0)
+                throw new IndexOutOfRangeException();
+
+            return ref UnsafeUtility.As<FreeNode, T>(ref m_Buffer.ElementAt(index * m_NodeNumPerElement + 1));
+        }
+
+        public void Clear()
+        {
+            m_Buffer.Resize(m_NodeNumPerElement);
+            m_Buffer.ElementAt(0).next = 0;
+        }
+
+        public void CopyFrom(UnsafeDataContainer other)
+        {
+            if (elementSize != other.elementSize)
+            {
+                throw new InvalidOperationException();
+            }
+
+            m_Buffer.CopyFrom(other.m_Buffer);
+        }
+
+        internal static int ComputeNodeNumPerElement(int elementSize)
+        {
+            return (elementSize + UnsafeUtility.SizeOf<FreeNode>() - 1) / UnsafeUtility.SizeOf<FreeNode>() + 1;
+        }
+    }
+}

LocalPackages/com.nimin.lowlevel/Runtime/UnsafeDataContainer.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 345278cb8e5e4c4cbd58ead608d3d098
+timeCreated: 1766977488

LocalPackages/com.nimin.lowlevel/Runtime/nimin.lowlevel.asmdef

@@ -5,25 +5,9 @@
         "Unity.Collections",
         "Unity.Mathematics"
     ],
-    "includePlatforms": [
-        "Android",
-        "Editor",
-        "iOS",
-        "LinuxStandalone64",
-        "Lumin",
-        "macOSStandalone",
-        "PS4",
-        "Stadia",
-        "Switch",
-        "tvOS",
-        "WSA",
-        "WebGL",
-        "WindowsStandalone32",
-        "WindowsStandalone64",
-        "XboxOne"
-    ],
+    "includePlatforms": [],
     "excludePlatforms": [],
-    "allowUnsafeCode": false,
+    "allowUnsafeCode": true,
     "overrideReferences": false,
     "precompiledReferences": [],
     "autoReferenced": true,

LocalPackages/com.nimin.network/Runtime/ClientAgent.cs

@@ -0,0 +1,162 @@
+using System;
+using GameCore.LowLevel;
+using Unity.Collections;
+
+namespace GameCore.Network
+{
+    public struct ClientAgent : IDisposable
+    {
+        private struct Entry
+        {
+            public int srcIndex;
+            public int generation;
+            public int confirmedFrameId;
+            public int deleteFrameId;
+            public bool inView;
+        }
+
+        private NativeList<Entry> entryList;
+        private NativeList<int> freeEntryIndexStack;
+        private NativeHashMap<int, int> entryIndexMap;
+        private NativeList<int> dirtyList;
+        private NativeList<byte> tempBuffer;
+
+        public ClientAgent(AllocatorManager.AllocatorHandle allocator)
+        {
+            entryList = new NativeList<Entry>(allocator) { default };
+            freeEntryIndexStack = new NativeList<int>(allocator);
+            entryIndexMap = new NativeHashMap<int, int>(16, allocator);
+
+            dirtyList = new NativeList<int>(allocator);
+            tempBuffer = new NativeList<byte>(allocator);
+        }
+
+        public void Dispose()
+        {
+            entryList.Dispose();
+            freeEntryIndexStack.Dispose();
+            entryIndexMap.Dispose();
+            dirtyList.Dispose();
+            tempBuffer.Dispose();
+        }
+
+        private int AddEntry(int srcIndex)
+        {
+            var index = 0;
+            if (freeEntryIndexStack.Length > 0)
+            {
+                index = freeEntryIndexStack[^1];
+                freeEntryIndexStack.RemoveAt(freeEntryIndexStack.Length - 1);
+            }
+            else
+            {
+                index = entryList.Length;
+                entryList.Add(default);
+            }
+            
+            entryIndexMap.Add(srcIndex, index);
+            ref var entry = ref entryList.ElementAt(index);
+            entry.srcIndex = srcIndex;
+            entry.generation = 0;
+            entry.inView = true;
+            return index;
+        }
+
+        private void ReleaseEntry(int index, int srcIndex)
+        {
+            freeEntryIndexStack.Add(index);
+            entryIndexMap.Remove(srcIndex);
+        }
+
+        public void UpdateDirtySet(NetDatabase.Snapshot netDatabase, int frameId)
+        {
+            // clear inView flag
+            for (int i = 1, l = entryList.Length; i < l; ++i)
+            {
+                entryList.ElementAt(i).inView = false;
+            }
+
+            var tempIntList = dirtyList;
+            tempIntList.Clear();
+
+            // 收集旧视野中的东西，包括等待删除的
+            for (int i = 1, l = entryList.Length; i < l; ++i)
+            {
+                ref readonly var entry = ref entryList.ElementAt(i);
+
+                if (entry.srcIndex == 0)
+                {
+                    //TODO
+                }
+                else
+                {
+                    tempIntList.Add(i);
+                }
+            }
+
+            var oldInViewCount = tempIntList.Length;
+
+            netDatabase.GatherNetDataIndex(tempIntList);
+
+            // 遍历 tempIntList 中新视野部分 （oldInViewCount 之后）
+            {
+                var j = oldInViewCount;
+                for (int i = oldInViewCount, l = tempIntList.Length; i < l; ++i)
+                {
+                    var srcIndex = tempIntList[i];
+                    if (entryIndexMap.TryGetValue(srcIndex, out var index))
+                    {
+                        entryList.ElementAt(index).inView = true;
+                    }
+                    else
+                    {
+                        tempIntList[j++] = srcIndex; // 新添加的
+                    }
+                }
+
+                tempIntList.Resize(j, NativeArrayOptions.UninitializedMemory);
+            }
+
+            tempBuffer.Clear();
+            var tempDirtyList = tempBuffer.ToTypedBuffer<(int, int)>();
+
+            // 新添加的加入dirty list
+            for (int i = oldInViewCount, l = tempIntList.Length; i < l; ++i)
+            {
+                var srcIndex = tempIntList[i];
+                var index = AddEntry(srcIndex);
+                tempDirtyList.Add((int.MinValue, index));
+            }
+
+            for (var i = 0; i < oldInViewCount; ++i)
+            {
+                var index = tempIntList[i];
+                ref var entry = ref entryList.ElementAt(index);
+                if (!entry.inView)
+                {
+                    if (entry.srcIndex != 0)
+                    {
+                        ReleaseEntry(index, entry.srcIndex);
+                        var srcIndex = entry.srcIndex;
+                        entry.generation = 0;
+                        entry.srcIndex = 0;
+                        
+                        //TODO parentIndex
+                    }
+                    
+                    if (entry.confirmedFrameId < entry.deleteFrameId)
+                    {
+                        // 如果删除没有得到确认，那就标记 inView，保证发送删除操作
+                        entry.inView = true;
+                        tempDirtyList.Add((0, index));
+                    }
+
+                    continue;
+                }
+                
+                //TODO
+            }
+            //TODO
+        }
+    }
+}

LocalPackages/com.nimin.network/Runtime/ClientAgent.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 6e15dc0c921b45ec98b8428a748fee1e
+timeCreated: 1767301633

LocalPackages/com.nimin.network/Runtime/FrameHistoryItem.cs

@@ -0,0 +1,44 @@
+using Unity.Collections;
+using Unity.Collections.LowLevel.Unsafe;
+using Unity.Mathematics;
+
+namespace GameCore.Network
+{
+    public readonly struct FrameHistoryItem
+    {
+        public readonly ulong mask;
+        public readonly int frameId;
+
+        public const int kMaxBitCount = 64;
+
+        public bool IsDirty => mask != 0ul;
+        
+        private FrameHistoryItem(ulong mask, int frameId)
+        {
+            this.mask = mask;
+            this.frameId = frameId;
+        }
+
+        public static unsafe FrameHistoryItem Make<T>(T baseData, T newData, NativeArray<int> fieldSizeArray, int frameId) where T : unmanaged
+        {
+            var basePtr = (byte*) &baseData;
+            var newPtr = (byte*) &newData;
+
+            ulong mask = 0ul;
+            var offset = 0;
+            for (int i = 0, n = math.min(64, fieldSizeArray.Length); i < n; ++i)
+            {
+                var nextOffset = fieldSizeArray[i];
+                var fieldSize = nextOffset - offset;
+                if (UnsafeUtility.MemCmp(basePtr + offset, newPtr + offset, fieldSize) != 0)
+                {
+                    mask |= 1ul << i;
+                }
+
+                offset = nextOffset;
+            }
+
+            return new FrameHistoryItem(mask, frameId);
+        }
+    }
+}

LocalPackages/com.nimin.network/Runtime/FrameHistoryItem.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 89511e3f5bb34d8e8dd6d7cba42f415c
+timeCreated: 1767080177

LocalPackages/com.nimin.network/Runtime/NetDatabase.Snapshot.cs

@@ -0,0 +1,101 @@
+using System;
+using GameCore.LowLevel;
+using Unity.Collections;
+using Unity.Collections.LowLevel.Unsafe;
+
+namespace GameCore.Network
+{
+    public partial struct NetDatabase
+    {
+        public struct Snapshot : IDisposable
+        {
+            private NativeDataContainer<Entry> entries;
+            private NativeArray<UnsafeDataContainer> dataContainers;
+            private NativeList<FrameHistoryItem> frameHistoryList;
+            private NativeList<UnsafeList<int>> childrenList;
+            
+            private readonly int maxHistoryCount;
+
+            public Snapshot(TypeMetaDatabase typeMetaDatabase, int maxHistoryCount,
+                AllocatorManager.AllocatorHandle allocator)
+            {
+                entries = new(allocator);
+                
+                var typeCount = typeMetaDatabase.GetTotalTypeCount();
+                dataContainers = new NativeArray<UnsafeDataContainer>(typeCount, allocator.ToAllocator);
+                for (var i = 0; i < typeCount; i++)
+                {
+                    if (typeMetaDatabase.IsValid(i))
+                    {
+                        dataContainers[i] = new UnsafeDataContainer(typeMetaDatabase.GetTypeSize(i), allocator);
+                    }
+                }
+
+                frameHistoryList = new NativeList<FrameHistoryItem>(allocator);
+
+                childrenList = new NativeList<UnsafeList<int>>(allocator);
+
+                this.maxHistoryCount = maxHistoryCount;
+            }
+
+            public void Dispose()
+            {
+                entries.Dispose();
+
+                var typeCount = dataContainers.Length;
+                for (var i = 0; i < typeCount; i++)
+                {
+                    if (dataContainers[i].IsCreated)
+                        dataContainers[i].Dispose();
+                }
+                dataContainers.Dispose();
+                frameHistoryList.Dispose();
+                
+                for (int i = 0, len = childrenList.Length; i < len; i++)
+                {
+                    childrenList[i].Dispose();
+                }
+                childrenList.Dispose();
+            }
+
+            public void GatherNetDataIndex(NativeList<int> list)
+            {
+                for (int i = 1, len = entries.Length; i < len; ++i)
+                {
+                    if (entries.HasValue(i))
+                        list.Add(i);
+                }
+            }
+
+            public void CopyFrom(NetDatabase database)
+            {
+                entries.CopyFrom(database.entries);
+                
+                var typeCount = dataContainers.Length;
+                for (var i = 0; i < typeCount; i++)
+                {
+                    ref var dataContainer = ref dataContainers.GetRef(i);
+                    if (dataContainer.IsCreated)
+                        dataContainer.CopyFrom(database.dataContainers[i]);
+                }
+                
+                frameHistoryList.CopyFrom(database.frameHistoryList);
+                
+                var newLength = database.childrenList.Length;
+                var oldLength = childrenList.Length;
+                if (oldLength < newLength)
+                {
+                    childrenList.Resize(newLength, NativeArrayOptions.UninitializedMemory);
+                    for (var i = oldLength; i < newLength; ++i)
+                    {
+                        childrenList.ElementAt(i) = new UnsafeList<int>(0, database.allocator);
+                    }
+                }
+                for (int i = 0, len = database.childrenList.Length; i < len; ++i)
+                {
+                    childrenList.ElementAt(i).CopyFrom(database.childrenList[i]);
+                }
+            }
+        }
+    }
+}

LocalPackages/com.nimin.network/Runtime/NetDatabase.Snapshot.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 00a87772eaf0440eacc57a8efcad5707
+timeCreated: 1767177624

LocalPackages/com.nimin.network/Runtime/NetDatabase.cs

@@ -0,0 +1,232 @@
+using System;
+using GameCore.LowLevel;
+using Unity.Collections;
+using Unity.Collections.LowLevel.Unsafe;
+using UnityEngine;
+
+namespace GameCore.Network
+{
+    public partial struct NetDatabase : IDisposable
+    {
+        private struct Entry
+        {
+            public int generation;
+            public int typeIndex;
+            public int dataIndex;
+            public ushort historyOffset;
+            public ushort historyCount;
+            public int parentIndex;
+            public int childrenListIndex;
+        }
+        
+        private NativeDataContainer<Entry> entries;
+        private NativeArray<UnsafeDataContainer> dataContainers;
+        private NativeList<FrameHistoryItem> frameHistoryList;
+        private NativeList<UnsafeList<int>> childrenList;
+        private NativeList<int> freeChildrenListIndexStack;
+
+        private readonly int maxHistoryCount;
+        private readonly AllocatorManager.AllocatorHandle allocator;
+
+        public NetDatabase(TypeMetaDatabase typeMetaDatabase, int maxHistoryCount,
+            AllocatorManager.AllocatorHandle allocator)
+        {
+            entries = new(allocator);
+
+            var typeCount = typeMetaDatabase.GetTotalTypeCount();
+            dataContainers = new NativeArray<UnsafeDataContainer>(typeCount, allocator.ToAllocator);
+            for (var i = 0; i < typeCount; i++)
+            {
+                if (typeMetaDatabase.IsValid(i))
+                {
+                    dataContainers[i] = new UnsafeDataContainer(typeMetaDatabase.GetTypeSize(i), allocator);
+                }
+            }
+
+            frameHistoryList = new NativeList<FrameHistoryItem>(allocator);
+
+            childrenList = new NativeList<UnsafeList<int>>(allocator) {default};
+            freeChildrenListIndexStack = new NativeList<int>(allocator);
+
+            this.maxHistoryCount = maxHistoryCount;
+            this.allocator = allocator;
+        }
+
+        public void Dispose()
+        {
+            entries.Dispose();
+
+            var typeCount = dataContainers.Length;
+            for (var i = 0; i < typeCount; i++)
+            {
+                if (dataContainers[i].IsCreated)
+                    dataContainers[i].Dispose();
+            }
+            
+            dataContainers.Dispose();
+            frameHistoryList.Dispose();
+            
+            for (int i = 0, len = childrenList.Length; i < len; i++)
+            {
+                childrenList[i].Dispose();
+            }
+            childrenList.Dispose();
+            freeChildrenListIndexStack.Dispose();
+        }
+
+        public int Add<T>(T data, int frameId, int parentIndex, out int generation,
+            TypeMetaDatabase typeMetaDatabase) where T : unmanaged
+        {
+            var typeIndex = typeMetaDatabase.TypeIndexOf<T>();
+
+            generation = 0;
+
+            var entryIndex = entries.Alloc(UnsafeDataContainer.AllocOptions.ClearNew);
+            ref var entry = ref entries.ElementAt(entryIndex);
+            generation = entry.generation + 1;
+            entry.generation = generation;
+            entry.typeIndex = typeIndex;
+
+            ref var dataContainer = ref dataContainers.GetRef(typeIndex);
+            var dataIndex = dataContainer.Alloc();
+            entry.dataIndex = dataIndex;
+            dataContainer.ElementAt<T>(dataIndex) = data;
+            
+            entry.parentIndex = parentIndex;
+            entry.childrenListIndex = 0;
+            if (parentIndex > 0)
+            {
+                ref var parentEntry = ref entries.ElementAt(parentIndex);
+                if (parentEntry.childrenListIndex == 0)
+                {
+                    if (freeChildrenListIndexStack.Length > 0)
+                    {
+                        parentEntry.childrenListIndex = freeChildrenListIndexStack[^1];
+                        freeChildrenListIndexStack.RemoveAt(freeChildrenListIndexStack.Length - 1);
+                    }
+                    else
+                    {
+                        parentEntry.childrenListIndex = childrenList.Length;
+                        childrenList.Add(new UnsafeList<int>(4, allocator));
+                    }
+                }
+
+                ref var list = ref childrenList.ElementAt(parentEntry.childrenListIndex);
+                list.Add(entryIndex);
+            }
+
+            entry.historyOffset = 0;
+            var fieldSizeArray = typeMetaDatabase.GetFieldSizeArray(typeIndex);
+            var frameHistoryItem = FrameHistoryItem.Make(default, data, fieldSizeArray, frameId);
+            var minLength = (entryIndex + 1) * maxHistoryCount;
+            if (frameHistoryList.Length < minLength)
+            {
+                frameHistoryList.Resize(minLength, NativeArrayOptions.UninitializedMemory);
+            }
+
+            frameHistoryList.ElementAt(entryIndex * maxHistoryCount) = frameHistoryItem;
+            entry.historyCount = 1;
+
+            return entryIndex;
+        }
+
+        public ref readonly T Get<T>(int index, TypeMetaDatabase typeMetaDatabase) where T : unmanaged
+        {
+            var typeIndex = typeMetaDatabase.TypeIndexOf<T>();
+
+            ref var entry = ref entries.ElementAt(index);
+            if (entry.typeIndex != typeIndex)
+            {
+                throw new Exception("Type mismatch");
+            }
+            
+            ref var dataContainer = ref dataContainers.GetRef(typeIndex);
+            return ref dataContainer.ElementAt<T>(entry.dataIndex);
+        }
+
+        public bool Update<T>(int index, T data, int frameId, TypeMetaDatabase typeMetaDatabase) where T : unmanaged
+        {
+            var typeIndex = typeMetaDatabase.TypeIndexOf<T>();
+
+            ref var entry = ref entries.ElementAt(index);
+            if (entry.typeIndex != typeIndex)
+            {
+                throw new Exception("Type mismatch");
+            }
+            
+            ref var dataContainer = ref dataContainers.GetRef(typeIndex);
+            ref var dataRef = ref dataContainer.ElementAt<T>(entry.dataIndex);
+            var baseData = dataRef;
+            
+            var fieldSizeArray = typeMetaDatabase.GetFieldSizeArray(typeIndex);
+            var frameHistoryItem = FrameHistoryItem.Make(baseData, data, fieldSizeArray, frameId);
+            if (!frameHistoryItem.IsDirty)
+                return false;
+            
+            dataRef = data;
+            
+            var startIndex = (entry.historyOffset + entry.historyCount) % maxHistoryCount;
+            frameHistoryList.ElementAt(index * maxHistoryCount + startIndex) = frameHistoryItem;
+            if (entry.historyCount == maxHistoryCount)
+            {
+                entry.historyOffset = (ushort) ((entry.historyOffset + 1) % maxHistoryCount);
+            }
+            else
+            {
+                entry.historyCount++;
+            }
+
+            return true;
+        }
+
+        public bool Remove(int index)
+        {
+            return RemoveInternal(index, true);
+        }
+
+        private bool RemoveInternal(int index, bool removeFromParent)
+        {
+            if (!entries.HasValue(index))
+                return false;
+            
+            ref var entry = ref entries.ElementAt(index);
+            ref var dataContainer = ref dataContainers.GetRef(entry.typeIndex);
+            if (!dataContainer.Free(entry.dataIndex))
+                throw new Exception("Data mismatch");
+
+            if (entry.parentIndex > 0)
+            {
+                if (removeFromParent)
+                {
+                    var parentEntry = entries.ElementAt(entry.parentIndex);
+                    ref var list = ref childrenList.ElementAt(parentEntry.childrenListIndex);
+
+                    var selfIndex = list.IndexOf(index);
+                    list.RemoveAtSwapBack(selfIndex);
+                }
+            }
+
+            if (entry.childrenListIndex > 0)
+            {
+                ref var list = ref childrenList.ElementAt(entry.childrenListIndex);
+                for (int i = 0, len = list.Length; i < len; ++i)
+                {
+                    RemoveInternal(list[i], false);
+                }
+
+                list.Clear();
+                freeChildrenListIndexStack.Add(entry.childrenListIndex);
+            }
+
+            entries.Free(index);
+            return true;
+        }
+
+        public int GetGeneration(int index)
+        {
+            ref var entry = ref entries.ElementAt(index);
+            return entry.generation;
+        }
+
+    }
+}

LocalPackages/com.nimin.network/Runtime/NetDatabase.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: a240ee2c529a484b845eb5030590debf
+timeCreated: 1766976618

LocalPackages/com.nimin.network/Runtime/NetworkDriverAsset.cs

@@ -18,12 +18,12 @@ namespace GameCore.Network
         public int packetJitterMs = 300;
         public int packetDropPercentage = 10;
 
-        private NetworkDriver CreateDriver()
+        private NetworkDriver CreateDriver(out NetworkPipeline unreliablePipeline, out NetworkPipeline reliablePipeline)
         {
             var settings = new NetworkSettings(Allocator.Temp);
             settings.WithNetworkConfigParameters(disconnectTimeoutMS: 5000);
             settings.WithReliableStageParameters(32);
-            settings.WithSimulatorStageParameters(32, NetworkParameterConstants.MaxConnectAttempts,
+            settings.WithSimulatorStageParameters(32, mode: ApplyMode.SentPacketsOnly,
                 packetDelayMs: packetDelayMs, packetJitterMs: packetJitterMs,
                 packetDropPercentage: packetDropPercentage);
 
@@ -31,24 +31,25 @@ namespace GameCore.Network
 
             if (useSimulator)
             {
-                driver.CreatePipeline(typeof(SimulatorPipelineStageInSend));
-                driver.CreatePipeline(typeof(ReliableSequencedPipelineStage), typeof(SimulatorPipelineStageInSend));
+                unreliablePipeline = driver.CreatePipeline(typeof(SimulatorPipelineStage));
+                reliablePipeline = driver.CreatePipeline(typeof(ReliableSequencedPipelineStage), typeof(SimulatorPipelineStage));
             }
             else
             {
-                driver.CreatePipeline(typeof(ReliableSequencedPipelineStage));
+                unreliablePipeline = NetworkPipeline.Null;
+                reliablePipeline = driver.CreatePipeline(typeof(ReliableSequencedPipelineStage));
             }
 
             return driver;
         }
 
-        public NetworkDriver CreateServerDriver(string address)
+        public NetworkDriver CreateServerDriver(string address, out NetworkPipeline unreliablePipeline, out NetworkPipeline reliablePipeline)
         {
-            var driver = CreateDriver();
+            var driver = CreateDriver(out unreliablePipeline, out reliablePipeline);
             var ok = false;
             try
             {
-                if (!NetworkEndPoint.TryParse(address, (ushort)port, out var endpoint))
+                if (!NetworkEndpoint.TryParse(address, (ushort)port, out var endpoint))
                 {
                     return default;
                 }
@@ -70,10 +71,10 @@ namespace GameCore.Network
             }
         }
 
-        public NetworkDriver CreateClientDriver(string address, out NetworkConnection connection)
+        public NetworkDriver CreateClientDriver(string address, out NetworkConnection connection, out NetworkPipeline unreliablePipeline, out NetworkPipeline reliablePipeline)
         {
-            var driver = CreateDriver();
-            if (!NetworkEndPoint.TryParse(address, (ushort)port, out var endpoint))
+            var driver = CreateDriver(out unreliablePipeline, out reliablePipeline);
+            if (!NetworkEndpoint.TryParse(address, (ushort)port, out var endpoint))
             {
                 connection = default;
                 driver.Dispose();

LocalPackages/com.nimin.network/Runtime/Test.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 60aaddd5a9e34cf68dd79f1a493e34b4
+timeCreated: 1767162757

LocalPackages/com.nimin.network/Runtime/Test/TestNetDatabase.cs

@@ -0,0 +1,87 @@
+using System;
+using Unity.Burst;
+using Unity.Collections;
+using Unity.Jobs;
+using Unity.Mathematics;
+using UnityEngine;
+
+namespace GameCore.Network.Test
+{
+    public class TestNetDatabase : MonoBehaviour
+    {
+        public struct Troop
+        {
+            public float2 position;
+        }
+
+        public struct Soldier
+        {
+            public int id;
+            public int2 coord;
+        }
+        
+        private TypeMetaDatabase typeMetaDatabase;
+        private NetDatabase netDatabase;
+        private NetDatabase.Snapshot snapshot;
+
+        private void OnEnable()
+        {
+            typeMetaDatabase = new TypeMetaDatabase(Allocator.Persistent);
+            typeMetaDatabase.RegisterType<Troop>();
+            typeMetaDatabase.RegisterType<Soldier>();
+            
+            netDatabase = new NetDatabase(typeMetaDatabase, 16, Allocator.Persistent);
+            snapshot = new NetDatabase.Snapshot(typeMetaDatabase, 16, Allocator.Persistent);
+
+            var handle = new UpdateJob()
+            {
+                typeMetaDatabase = typeMetaDatabase,
+                netDatabase = netDatabase,
+                snapshot = snapshot,
+                frameId = 1,
+            }.Schedule();
+            handle.Complete();
+        }
+
+        private void OnDisable()
+        {
+            typeMetaDatabase.Dispose();
+            netDatabase.Dispose();
+            snapshot.Dispose();
+        }
+
+        [BurstCompile]
+        private struct UpdateJob : IJob
+        {
+            public TypeMetaDatabase typeMetaDatabase;
+            public NetDatabase netDatabase;
+            public NetDatabase.Snapshot snapshot;
+            public int frameId;
+            
+            public void Execute()
+            {
+                var troop = new Troop() {position = new float2(1, 2)};
+                var troopIndex = netDatabase.Add(troop, frameId, 0, out var gen0, typeMetaDatabase);
+                Debug.Log($"Troop {troopIndex} added, generation {gen0}");
+                
+                var soldier = new Soldier() {id = 1, coord = new int2(1, 1)};
+                var soldierIndex = netDatabase.Add(soldier, frameId, troopIndex, out var gen1, typeMetaDatabase);
+                Debug.Log($"Soldier {soldierIndex} added, generation {gen1}");
+
+                ref readonly var soldierData = ref netDatabase.Get<Soldier>(soldierIndex, typeMetaDatabase);
+                Debug.Log($"Soldier id: {soldierData.id}, coord: {soldierData.coord}");
+                soldier.coord = new int2(2, 2);
+                var ok = netDatabase.Update(soldierIndex, soldier, frameId, typeMetaDatabase);
+                Debug.Log($"Soldier update: {ok}, id: {soldierData.id}, coord: {soldierData.coord}");
+
+                // ok = netDatabase.Remove(troopIndex);
+                // Debug.Log($"Troop removed: {ok}");
+                //
+                // ok = netDatabase.Remove(soldierIndex);
+                // Debug.Log($"Solider removed: {ok}");
+                
+                snapshot.CopyFrom(netDatabase);
+            }
+        }
+    }
+}

LocalPackages/com.nimin.network/Runtime/Test/TestNetDatabase.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: dae5c80c53134e4689ce1b03af81f96e
+timeCreated: 1767162806

LocalPackages/com.nimin.network/Runtime/TypeMetaDatabase.cs

@@ -0,0 +1,144 @@
+using System;
+using System.Diagnostics;
+using Unity.Burst;
+using Unity.Collections;
+using Unity.Collections.LowLevel.Unsafe;
+
+namespace GameCore.Network
+{
+    public struct TypeMetaDatabase : IDisposable
+    {
+        private struct TypeInfo
+        {
+            public int offset;
+            public int fieldCount;
+        }
+
+        private static class TypeIndexHelper
+        {
+            public static int currentIndex;
+        }
+
+        private struct TypeIndex<TT>
+        {
+            public int index;
+
+            public static readonly SharedStatic<TypeIndex<TT>> Instance =
+                SharedStatic<TypeIndex<TT>>.GetOrCreate<TypeIndex<TT>>();
+
+            [BurstDiscard]
+            static void EnsureInitialized()
+            {
+                if (Instance.Data.index == 0)
+                {
+                    Instance.Data.index = ++TypeIndexHelper.currentIndex;
+                }
+            }
+
+            public static int Get()
+            {
+                EnsureInitialized();
+                return Instance.Data.index;
+            }
+        }
+
+        private NativeList<TypeInfo> infoList;
+        private NativeList<int> sizeList;
+
+        public TypeMetaDatabase(AllocatorManager.AllocatorHandle allocator)
+        {
+            infoList = new NativeList<TypeInfo>(allocator);
+            sizeList = new NativeList<int>(allocator);
+            sizeList.Add(0);
+        }
+
+        public void Dispose()
+        {
+            infoList.Dispose();
+            sizeList.Dispose();
+        }
+
+        public int GetTotalTypeCount()
+        {
+            return infoList.Length;
+        }
+
+        public int TypeIndexOf<T>() where T : unmanaged
+        {
+            var typeIndex = TypeIndex<T>.Get();
+            CheckTypeIndex(typeIndex);
+            return typeIndex;
+        }
+
+        public void RegisterType<T>() where T : unmanaged
+        {
+            var typeIndex = TypeIndex<T>.Get();
+            var sizeListStartIndex = sizeList.Length;
+
+            var type = typeof(T);
+            var fields = type.GetFields();
+            var fieldOffset = 0;
+            foreach (var f in fields)
+            {
+                if (fieldOffset != UnsafeUtility.GetFieldOffset(f))
+                    throw new Exception("Field offset mismatch");
+                var size = UnsafeUtility.SizeOf(f.FieldType);
+                fieldOffset += size;
+                sizeList.Add(fieldOffset);
+            }
+
+            if (infoList.Length <= typeIndex)
+            {
+                infoList.Resize(typeIndex + 1, NativeArrayOptions.ClearMemory);
+            }
+            infoList.ElementAt(typeIndex) = new()
+            {
+                offset = sizeListStartIndex,
+                fieldCount = sizeList.Length - sizeListStartIndex,
+            };
+        }
+
+        public int GetTypeSize(int typeIndex)
+        {
+            CheckTypeIndex(typeIndex);
+            var info = infoList[typeIndex];
+            return sizeList[info.offset + info.fieldCount - 1];
+        }
+
+        public int GetTypeSize<T>() where T : unmanaged
+        {
+            return GetTypeSize(TypeIndex<T>.Get());
+        }
+
+        public NativeArray<int> GetFieldSizeArray(int typeIndex)
+        {
+            CheckTypeIndex(typeIndex);
+            var info = infoList[typeIndex];
+            return sizeList.AsArray().GetSubArray(info.offset, info.fieldCount);
+        }
+
+        public NativeArray<int> GetFieldSizeArray<T>() where T : unmanaged
+        {
+            return GetFieldSizeArray(TypeIndex<T>.Get());
+        }
+
+        public bool IsValid(int typeIndex)
+        {
+            if (typeIndex < 0 || typeIndex >= infoList.Length || infoList[typeIndex].offset == 0)
+                return false;
+            return true;
+        }
+        
+        public bool IsValid<T>()
+        {
+            return IsValid(TypeIndex<T>.Get());
+        }
+
+        [Conditional("DEBUG")]
+        void CheckTypeIndex(int typeIndex)
+        {
+            if (!IsValid(typeIndex))
+                throw new Exception("Invalid type index");
+        }
+    }
+}

LocalPackages/com.nimin.network/Runtime/TypeMetaDatabase.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 5c20e85b6570434bbb3ca669abfbcf24
+timeCreated: 1766999459

LocalPackages/com.nimin.network/Runtime/nimin.network.asmdef

@@ -2,10 +2,15 @@
     "name": "nimin.network",
     "rootNamespace": "",
     "references": [
-        "Unity.Networking.Transport"
+        "Unity.Networking.Transport",
+        "Unity.Collections",
+        "Unity.Burst",
+        "nimin.lowlevel",
+        "Unity.Mathematics"
     ],
+    "includePlatforms": [],
     "excludePlatforms": [],
-    "allowUnsafeCode": false,
+    "allowUnsafeCode": true,
     "overrideReferences": false,
     "precompiledReferences": [],
     "autoReferenced": true,

LocalPackages/com.nimin.network/package.json

@@ -1,14 +1,14 @@
 {
-    "name": "com.nimin.network",
-    "displayName": "GameCore Network",
-    "version": "0.1.0",
-    "unity": "2021.3",
-    "description": "Network based on Unity Transport",
-    "dependencies": {
-      "com.unity.transport": "1.0.0"
-    },
-    "keywords": [
-      "Network",
-      "JobSystem"
-    ]
+  "name": "com.nimin.network",
+  "displayName": "GameCore Network",
+  "version": "0.1.0",
+  "unity": "2021.3",
+  "description": "Network based on Unity Transport",
+  "dependencies": {
+    "com.unity.transport": "2.6.0"
+  },
+  "keywords": [
+    "Network",
+    "JobSystem"
+  ]
 }

LocalPackages/com.nimin.tinyecs/Runtime/ComponentId.cs

@@ -1,25 +1,30 @@
-using System;
+using Unity.Burst;
 
 namespace GameCore.TinyECS
 {
-    public struct ComponentId
+    internal static class ComponentIdHelper
     {
-        struct Inner<T> where T : unmanaged
+        public static int currentId;
+    }
+    
+    public struct ComponentId<T>
+    {
+        public int id;
+        public static readonly SharedStatic<ComponentId<T>> Instance = SharedStatic<ComponentId<T>>.GetOrCreate<ComponentId<T>>();
+
+        [BurstDiscard]
+        static void EnsureInitialized()
         {
-            public int id;
-            private Inner(int i) => id = i;
-            public static Inner<T> Instance = default;
+            if (Instance.Data.id == 0)
+            {
+                Instance.Data.id = ++ComponentIdHelper.currentId;
+            }
         }
 
-        static int currentId;
-
-        public static int Get<T>() where T : unmanaged
+        public static int Get()
         {
-            if (Inner<T>.Instance.id == 0)
-            {
-                Inner<T>.Instance.id = ++currentId;
-            }
-            return Inner<T>.Instance.id;
+            EnsureInitialized();
+            return Instance.Data.id;
         }
     }
 }

LocalPackages/com.nimin.tinyecs/Runtime/Entity.cs

@@ -1,9 +1,10 @@
 using System;
 using GameCore.LowLevel;
+using Unity.Collections.LowLevel.Unsafe;
 
 namespace GameCore.TinyECS
 {
-    public readonly struct Entity<TEnum> : IEquatable<Entity<TEnum>> where TEnum : unmanaged
+    public readonly struct Entity<TEnum> : IEquatable<Entity<TEnum>> where TEnum : unmanaged, IConvertible
     {
         public readonly TEnum type;
         public readonly int index;
@@ -19,7 +20,7 @@ namespace GameCore.TinyECS
         public override string ToString() => $"Entity<{type}>({index},{generation})";
         public bool Equals(Entity<TEnum> other) => type.Equals(other.type) && index == other.index && generation == other.generation;
         public override bool Equals(object obj) => obj is Entity<TEnum> other && Equals(other);
-        public override int GetHashCode() => LowLevelUtility.HashCombine(type.GetHashCode(), index, generation);
+        public override int GetHashCode() => LowLevelUtility.HashCombine(UnsafeUtility.EnumToInt(type), index, generation);
         public static bool operator ==(Entity<TEnum> lhs, Entity<TEnum> rhs) => lhs.Equals(rhs);
         public static bool operator !=(Entity<TEnum> lhs, Entity<TEnum> rhs) => !(lhs == rhs);
 

LocalPackages/com.nimin.tinyecs/Runtime/EntityCollection.cs

@@ -1,10 +1,12 @@
 using System;
 using Unity.Collections;
 using System.Diagnostics;
+using Unity.Collections.LowLevel.Unsafe;
 
 namespace GameCore.TinyECS
 {
-    public struct EntityCollection<TEnum> : IDisposable where TEnum : unmanaged
+    public struct EntityCollection<TEnum> : IDisposable
+        where TEnum : unmanaged, IConvertible
     {
         private struct Buffer
         {
@@ -12,11 +14,12 @@ namespace GameCore.TinyECS
             public int generation;
         }
 
+        public readonly TEnum entityType;
+        
         private NativeList<Buffer> entityBuffer;
         private NativeList<int> entityIndexToDataIndex;
-        private TEnum entityType;
 
-        public EntityCollection(TEnum type, int capacity, Allocator allocator)
+        public EntityCollection(TEnum type, int capacity, AllocatorManager.AllocatorHandle allocator)
         {
             entityType = type;
             entityBuffer = new (capacity, allocator);
@@ -60,6 +63,25 @@ namespace GameCore.TinyECS
             return dataIndex;
         }
 
+        public int GetIndex(Entity<TEnum> entity)
+        {
+            CheckEntityType(entity);
+            
+            if (entity.index >= entityIndexToDataIndex.Length)
+            {
+                throw new Exception($"Invalid entity: {entity}");
+            }
+
+            var index = entityIndexToDataIndex[entity.index];
+            var buf = entityBuffer[index];
+            if (buf.index != entity.index || buf.generation != entity.generation)
+            {
+                throw new Exception($"Invalid entity: {entity}");
+            }
+
+            return index;
+        }
+
         public bool TryGetIndex(Entity<TEnum> entity, out int index)
         {
             CheckEntityType(entity);
@@ -115,7 +137,7 @@ namespace GameCore.TinyECS
         [Conditional("DEBUG")]
         void CheckEntityType(Entity<TEnum> entity)
         {
-            if (!entity.type.Equals(entityType))
+            if (!UnsafeUtility.EnumEquals(entityType, entity.type))
                 throw new Exception($"Wrong entity type: {entity.type}");
         }
 

LocalPackages/com.nimin.tinyecs/Runtime/EntityDataBlock.cs.meta

@@ -1,3 +0,0 @@
-fileFormatVersion: 2
-guid: 24392c1216204b6ea64acd57bb43441b
-timeCreated: 1668251924

LocalPackages/com.nimin.tinyecs/Runtime/EntityDataBlock.gen.cs.meta

@@ -1,3 +0,0 @@
-fileFormatVersion: 2
-guid: c9227b743e78463b8df770cefc98fb18
-timeCreated: 1668274486

LocalPackages/com.nimin.tinyecs/Runtime/EntityDataSet.cs

@@ -1,14 +0,0 @@
-using System;
-using Unity.Collections;
-using Unity.Mathematics;
-
-namespace GameCore.TinyECS
-{
-    public struct EntityDataSet : IDisposable
-    {
-        public void Dispose()
-        {
-            //TODO
-        }
-    }
-}

LocalPackages/com.nimin.tinyecs/Runtime/EntityDataStruct.Block.cs

@@ -13,28 +13,31 @@ namespace GameCore.TinyECS
         public int elementAlign;
     }
 
-    public unsafe struct EntityDataBlockChain : IDisposable
+    public unsafe struct EntityDataBlockChain : IEntityDataStruct
     {
         public readonly EntityDataBlockMeta blockMeta;
         private FixedList512Bytes<IntPtr> blockPtrList;
         private int maxElementCountPerBlock;
         private int elementCount;
+        private AllocatorManager.AllocatorHandle allocator;
 
         public int BlockCount => blockPtrList.Length;
         public int BlockCapacity => blockPtrList.Capacity;
         public int ElementCount => elementCount;
         public int MaxElementCount => MaxElementCountPerBlock * BlockCapacity;
         public int MaxElementCountPerBlock => maxElementCountPerBlock;
+        public AllocatorManager.AllocatorHandle Allocator => allocator;
 
         public bool IsFull => elementCount == MaxElementCount;
         public bool IsEmpty => elementCount == 0;
-
-        public EntityDataBlockChain(EntityDataBlockMeta blockMeta, int maxElementCountPerBlock)
+        
+        public EntityDataBlockChain(EntityDataBlockMeta blockMeta, AllocatorManager.AllocatorHandle allocator, int maxElementCountPerBlock = 1024)
         {
             this.blockMeta = blockMeta;
             blockPtrList = default;
             this.maxElementCountPerBlock = maxElementCountPerBlock;
             elementCount = 0;
+            this.allocator = allocator;
         }
 
         public void Dispose()
@@ -48,7 +51,7 @@ namespace GameCore.TinyECS
         void AllocBlock()
         {
             var bufferSize = blockMeta.elementSize * maxElementCountPerBlock;
-            var ptr = UnsafeUtility.Malloc(bufferSize, blockMeta.elementAlign, Allocator.Persistent);
+            var ptr = AllocatorManager.Allocate(allocator, bufferSize, blockMeta.elementAlign);
 
             blockPtrList.Add((IntPtr)ptr);
         }
@@ -58,7 +61,7 @@ namespace GameCore.TinyECS
             var pBlock = (void*)blockPtrList[blockIndex];
             if (pBlock != null)
             {
-                UnsafeUtility.Free(pBlock, Allocator.Persistent);
+                AllocatorManager.Free(allocator, pBlock);
                 blockPtrList.RemoveAt(blockIndex);
             }
         }
@@ -72,7 +75,7 @@ namespace GameCore.TinyECS
 
         void* ComponentPtrAt<T>(int elementIndex) where T : unmanaged
         {
-            var componentId = ComponentId.Get<T>();
+            var componentId = ComponentId<T>.Get();
             var componentIndex = blockMeta.componentIdToIndex[componentId];
             if (componentIndex > 0)
             {
@@ -133,7 +136,16 @@ namespace GameCore.TinyECS
             elementCount--;
         }
 
-        public ref T GetData<T>(int index) where T : unmanaged
+        public T GetData<T>(int index) where T : unmanaged
+        {
+            CheckElementIndex(index);
+            var pComponent = ComponentPtrAt<T>(index);
+            if (pComponent == null)
+                throw new Exception($"Invalid component type: {typeof(T)}");
+            return UnsafeUtility.AsRef<T>(pComponent);
+        }
+
+        public ref T GetDataRef<T>(int index) where T : unmanaged
         {
             CheckElementIndex(index);
             var pComponent = ComponentPtrAt<T>(index);
@@ -150,7 +162,7 @@ namespace GameCore.TinyECS
         }
     }
 
-    public unsafe readonly struct EntityDataBlockView
+    public readonly unsafe  struct EntityDataBlockView
     {
         private readonly void* ptr;
         public readonly EntityDataBlockMeta meta;
@@ -172,7 +184,7 @@ namespace GameCore.TinyECS
 
         void* ComponentPtrAt<T>(int elementIndex) where T : unmanaged
         {
-            var componentId = ComponentId.Get<T>();
+            var componentId = ComponentId<T>.Get();
             var componentIndex = meta.componentIdToIndex[componentId];
             if (componentIndex > 0)
             {

LocalPackages/com.nimin.tinyecs/Runtime/EntityDataStruct.Block.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 694d8256118344eb2b130fceb1a11b7f
+guid: 7b0b5bb1c56f2114ba60d9154d447872
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

LocalPackages/com.nimin.tinyecs/Runtime/EntityDataStruct.Block.gen.cs

@@ -15,7 +15,7 @@ namespace GameCore.TinyECS
             meta.componentIdToIndex.Length = meta.componentIdToIndex.Capacity;
             meta.componentIdToOffset.Length = meta.componentIdToOffset.Capacity;
 
-            var id1 = ComponentId.Get<T1>();
+            var id1 = ComponentId<T1>.Get();
             meta.componentIdToIndex[id1] = 1;
             meta.componentIdToOffset[id1] = 0;
             meta.elementSize = UnsafeUtility.SizeOf<T1>();
@@ -31,8 +31,8 @@ namespace GameCore.TinyECS
             meta.componentIdToIndex.Length = meta.componentIdToIndex.Capacity;
             meta.componentIdToOffset.Length = meta.componentIdToOffset.Capacity;
             
-            var id1 = ComponentId.Get<T1>();
-            var id2 = ComponentId.Get<T2>();
+            var id1 = ComponentId<T1>.Get();
+            var id2 = ComponentId<T2>.Get();
             meta.componentIdToIndex[id1] = 1;
             meta.componentIdToIndex[id2] = 2;
             meta.componentIdToOffset[id1] = (short)LowLevelUtility.OffsetOf<(T1, T2), T1>();

LocalPackages/com.nimin.tinyecs/Runtime/EntityDataStruct.Block.gen.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 68aafcef1265449e6b6b2dd81d7173a8
+guid: 747b2bec360ee8141b0b46886b09f92d
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

LocalPackages/com.nimin.tinyecs/Runtime/EntityDataStruct.cs

@@ -0,0 +1,16 @@
+using System;
+using Unity.Collections;
+
+namespace GameCore.TinyECS
+{
+    public interface IEntityDataStruct : IDisposable
+    {
+        AllocatorManager.AllocatorHandle Allocator { get; }
+        
+        void Add();
+        void Remove(int index);
+        
+        T GetData<T>(int index) where T : unmanaged;
+        ref T GetDataRef<T>(int index) where T : unmanaged;
+    }
+}

LocalPackages/com.nimin.tinyecs/Runtime/EntityDataStruct.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 933c4528e6cf415dbfb79a148896839d
+timeCreated: 1765943532

LocalPackages/com.nimin.tinyecs/Runtime/EntityDatabase.cs

@@ -0,0 +1,69 @@
+using System;
+using Unity.Collections;
+using Unity.Mathematics;
+
+namespace GameCore.TinyECS
+{
+    public struct EntityDatabase<TEnum, TData> : IDisposable
+        where TEnum : unmanaged, IConvertible
+        where TData : unmanaged, IEntityDataStruct
+    {
+        public TData dataStruct;
+        public EntityGenerator<TEnum> generator;
+        public EntityCollection<TEnum> collection;
+
+        public int Count => collection.Count;
+
+        internal EntityDatabase(TEnum type, TData dataStruct, int initCapacity,
+            AllocatorManager.AllocatorHandle allocator)
+        {
+            generator = new(type, initCapacity, allocator);
+            collection = new(type, initCapacity, allocator);
+            this.dataStruct = dataStruct;
+        }
+
+        public Entity<TEnum> AddEntity()
+        {
+            var entity = generator.Create();
+            collection.Add(entity);
+            dataStruct.Add();
+            return entity;
+        }
+
+        public void RemoveEntity(Entity<TEnum> entity)
+        {
+            generator.Delete(entity);
+            if (collection.Remove(entity, out var index, out var _))
+                dataStruct.Remove(index);
+        }
+
+        public T GetData<T>(Entity<TEnum> entity) where T : unmanaged
+        {
+            var index = collection.GetIndex(entity);
+            return dataStruct.GetData<T>(index);
+        }
+
+        public ref T GetDataRef<T>(Entity<TEnum> entity) where T : unmanaged
+        {
+            var index = collection.GetIndex(entity);
+            return ref dataStruct.GetDataRef<T>(index);
+        }
+
+        public void Dispose()
+        {
+            generator.Dispose();
+            collection.Dispose();
+            dataStruct.Dispose();
+        }
+    }
+
+    public static class EntityDataBaseExtensions
+    {
+        public static EntityDatabase<TEnum, TData> CreateEntityDatabase<TEnum, TData>(this TData dataStruct, TEnum type, int initCapacity)
+            where TEnum : unmanaged, IConvertible
+            where TData : unmanaged, IEntityDataStruct
+        {
+            return new EntityDatabase<TEnum, TData>(type, dataStruct, initCapacity, dataStruct.Allocator);
+        }
+    }
+}

LocalPackages/com.nimin.tinyecs/Runtime/EntityGenerator.cs

@@ -4,14 +4,15 @@ using Unity.Mathematics;
 
 namespace GameCore.TinyECS
 {
-    public struct EntityGenerator<TEnum> : IDisposable where TEnum : unmanaged
+    public struct EntityGenerator<TEnum> : IDisposable
+        where TEnum : unmanaged, IConvertible
     {
+        public readonly TEnum entityType;
         private NativeList<int> indexToGeneration;
         private int beginSearchIndex;
         private int freeCount;
-        private TEnum entityType;
 
-        public EntityGenerator(TEnum type, int capacity, Allocator allocator)
+        public EntityGenerator(TEnum type, int capacity, AllocatorManager.AllocatorHandle allocator)
         {
             indexToGeneration = new(capacity, allocator) { 0 };
             beginSearchIndex = 1;

LocalPackages/com.nimin.tinyecs/Runtime/nimin.tinyecs.asmdef

@@ -4,25 +4,10 @@
     "references": [
         "Unity.Collections",
         "Unity.Mathematics",
-        "nimin.lowlevel"
-    ],
-    "includePlatforms": [
-        "Android",
-        "Editor",
-        "iOS",
-        "LinuxStandalone64",
-        "Lumin",
-        "macOSStandalone",
-        "PS4",
-        "Stadia",
-        "Switch",
-        "tvOS",
-        "WSA",
-        "WebGL",
-        "WindowsStandalone32",
-        "WindowsStandalone64",
-        "XboxOne"
+        "nimin.lowlevel",
+        "Unity.Burst"
     ],
+    "includePlatforms": [],
     "excludePlatforms": [],
     "allowUnsafeCode": true,
     "overrideReferences": false,

Packages/packages-lock.json

@@ -14,7 +14,7 @@
       "depth": 0,
       "source": "local",
       "dependencies": {
-        "com.unity.transport": "1.0.0"
+        "com.unity.transport": "2.6.0"
       }
     },
     "com.nimin.tinyecs": {
@@ -26,8 +26,8 @@
       }
     },
     "com.unity.burst": {
-      "version": "1.8.21",
-      "depth": 1,
+      "version": "1.8.24",
+      "depth": 2,
       "source": "registry",
       "dependencies": {
         "com.unity.mathematics": "1.2.1",
@@ -36,13 +36,14 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.collections": {
-      "version": "1.4.0",
-      "depth": 1,
+      "version": "2.2.1",
+      "depth": 2,
       "source": "registry",
       "dependencies": {
-        "com.unity.burst": "1.6.6",
-        "com.unity.test-framework": "1.1.31",
-        "com.unity.nuget.mono-cecil": "1.11.4"
+        "com.unity.burst": "1.8.8",
+        "com.unity.nuget.mono-cecil": "1.11.4",
+        "com.unity.modules.unityanalytics": "1.0.0",
+        "com.unity.test-framework.performance": "3.0.2"
       },
       "url": "https://packages.unity.com"
     },
@@ -109,7 +110,7 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.mathematics": {
-      "version": "1.2.6",
+      "version": "1.3.2",
       "depth": 2,
       "source": "registry",
       "dependencies": {},
@@ -147,6 +148,16 @@
       },
       "url": "https://packages.unity.com"
     },
+    "com.unity.test-framework.performance": {
+      "version": "3.0.2",
+      "depth": 3,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.test-framework": "1.1.31",
+        "com.unity.modules.jsonserialize": "1.0.0"
+      },
+      "url": "https://packages.unity.com"
+    },
     "com.unity.testtools.codecoverage": {
       "version": "1.2.6",
       "depth": 1,
@@ -179,13 +190,13 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.transport": {
-      "version": "1.5.0",
+      "version": "2.6.0",
       "depth": 1,
       "source": "registry",
       "dependencies": {
-        "com.unity.burst": "1.6.6",
-        "com.unity.collections": "1.2.4",
-        "com.unity.mathematics": "1.2.6"
+        "com.unity.burst": "1.8.24",
+        "com.unity.collections": "2.2.1",
+        "com.unity.mathematics": "1.3.2"
       },
       "url": "https://packages.unity.com"
     },

UnityECS.sln.DotSettings.user

@@ -1,2 +1,7 @@
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+	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AAllocator_002Ecs_002Fl_003AC_0021_003FUsers_003Fsunqinzhe_003FAppData_003FRoaming_003FJetBrains_003FRider2024_002E3_003Fresharper_002Dhost_003FDecompilerCache_003Fdecompiler_003F37cc348edc804f4cb176b63962c716e7177200_003Fa6_003F9ff064e4_003FAllocator_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
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