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ISystemStateComponentDataのサンプル
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Unity.Entities;
using Unity.Jobs;
using Unity.Mathematics;
using Unity.Collections;
public class DestroyCheckSystem : JobComponentSystem
{
EndSimulationEntityCommandBufferSystem barrier;
protected override void OnCreateManager()
{
for(int i=0; i<3; i++){
var entity = EntityManager.CreateEntity( ComponentType.ReadWrite<MyData>());
EntityManager.SetComponentData(entity, new MyData{ Value = 30 });
}
barrier = World.GetOrCreateManager<EndSimulationEntityCommandBufferSystem>();
}
protected override JobHandle OnUpdate(JobHandle inputDeps)
{
var commandBuffer = barrier.CreateCommandBuffer();
inputDeps = new AddStateJob{ commandBuffer = commandBuffer }.Schedule(this, inputDeps);
inputDeps = new UpdateJob{
isKeyDown = Input.GetKey(KeyCode.Space),
commandBuffer = commandBuffer }.Schedule(this, inputDeps);
inputDeps = new DestroyEventJob{ commandBuffer = commandBuffer }.Schedule(this, inputDeps);
barrier.AddJobHandleForProducer(inputDeps);
return inputDeps;
}
[ExcludeComponent(typeof(MyStateData))]
struct AddStateJob : IJobProcessComponentDataWithEntity<MyData>
{
[ReadOnly] public EntityCommandBuffer commandBuffer;
public void Execute(Entity entity, int index, ref MyData c0)
{
commandBuffer.AddComponent(entity, new MyStateData{Value = 15});
}
}
struct UpdateJob : IJobProcessComponentDataWithEntity<MyData>
{
[ReadOnly] public EntityCommandBuffer commandBuffer;
public bool isKeyDown;
public void Execute(Entity entity, int index, ref MyData data)
{
if( isKeyDown) { data.Value -= 1; }
if( data.Value < 0 ){ commandBuffer.DestroyEntity(entity); }
}
}
[ExcludeComponent(typeof(MyData))]
struct DestroyEventJob : IJobProcessComponentDataWithEntity<MyStateData>
{
[ReadOnly] public EntityCommandBuffer commandBuffer;
public void Execute(Entity entity, int index, ref MyStateData data)
{
Debug.Log($"Oh MyData destroyed!! value:{data.Value}");
commandBuffer.RemoveComponent(entity, ComponentType.ReadWrite<MyStateData>());
}
}
}
[System.Serializable]
public struct MyData : IComponentData{ public int Value; }
[System.Serializable]
public struct MyStateData : ISystemStateComponentData { public int Value; }
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