TestJobComponentSystem.cs

using System.Collections.Generic;
using Unity.Burst;
using Unity.Collections;
using Unity.Entities;
using Unity.Jobs;
using UnityEngine;

public class TestJobComponentSystem : JobComponentSystem
{
    //[BurstCompile]
    struct TestJob : IJobChunk
    {
        public ArchetypeChunkComponentType<TestComponentData> TestComponentDataType;
        [ReadOnly]
        public ArchetypeChunkSharedComponentType<TestSharedComponentData> TestSharedComponentDataType;
        public ArchetypeChunkBufferType<TestDynamicBuffer> TestDynamicBufferType;
        [ReadOnly]
        public NativeHashMap<int, TestSharedComponentData> TSCDMap;

        public void Execute(ArchetypeChunk chunk, int chunkIndex, int firstEntityIndex)
        {
            var chunkTestComponentData = chunk.GetNativeArray(TestComponentDataType);
            var chunkTestDynamicBuffer = chunk.GetBufferAccessor(TestDynamicBufferType);
            //var testSharedComponentData = chunk.GetSharedComponentData(TestSharedComponentDataType, World.Active.EntityManager);
            var testSharedComponentDataIndex = chunk.GetSharedComponentIndex(TestSharedComponentDataType);
            var testSharedComponentData = TSCDMap[testSharedComponentDataIndex];
            var instanceCount = chunk.Count;
            var msg = "chunkIndex:" + chunkIndex + "\n";

            for (int i = 0; i < instanceCount; i++)
            {
                var testComponentData = chunkTestComponentData[i];
                msg += "ComponentData:" + testComponentData.test + "\n";
                msg += "SharedComponentData:" + testSharedComponentData.test + "\n";
                var bufferCount = chunkTestDynamicBuffer[i].Length;
                for (int j = 0; j < bufferCount; j++)
                {
                    msg += "DynamicBuffer:" + chunkTestDynamicBuffer[i][j].Value + "\n";
                }
            }
            //TSCDMap.Dispose();
            Debug.Log(msg);
        }
    }

    ComponentGroup m_Group;

    protected override void OnCreateManager()
    {
        var query = new EntityArchetypeQuery
        {
            All = new ComponentType[] { typeof(TestComponentData), typeof(TestDynamicBuffer), typeof(TestSharedComponentData) }
        };
        m_Group = GetComponentGroup(query);
    }

    protected override JobHandle OnUpdate(JobHandle inputDeps)
    {
        var testComponentDataType = GetArchetypeChunkComponentType<TestComponentData>();
        var testDynamicBufferType = GetArchetypeChunkBufferType<TestDynamicBuffer>();
        var testSharedComponentDataType = GetArchetypeChunkSharedComponentType<TestSharedComponentData>();
        var vList = new List<TestSharedComponentData>();
        var iList = new List<int>();
        EntityManager.GetAllUniqueSharedComponentData(vList, iList);
        var TSCDMap = new NativeHashMap<int, TestSharedComponentData>(vList.Count, Allocator.TempJob);
        for (var i = 0; i < vList.Count; i++)
        {
            TSCDMap.TryAdd(iList[i], vList[i]);
        }

        var rotationsSpeedRotationJob = new TestJob
        {
            TestComponentDataType = testComponentDataType,
            TestDynamicBufferType = testDynamicBufferType,
            TestSharedComponentDataType = testSharedComponentDataType,
            TSCDMap = TSCDMap
        };
        var jobHandle = rotationsSpeedRotationJob.Schedule(m_Group, inputDeps);
        return jobHandle;
    }
}