pastemyst | DOTS ISystem Bug

DOTS ISystem Bug

Player Init Sys

C#copy raw

//    Space MMO    
//  Author: Josh Hughes

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using Unity.Burst;
using Unity.Entities;
using Unity.Mathematics;
using Unity.Transforms;
using Game.ECS.Players;

[BurstCompile]
[UpdateInGroup(typeof(SimulationSystemGroup))]
public partial struct PlayerInitialisationSystem : ISystem
{
	[BurstCompile]
	public void OnCreate(ref SystemState state)
	{

}

[BurstCompile]
	public void OnDestroy(ref SystemState state)
	{

}

[BurstCompile]
	public void OnUpdate(ref SystemState state)
	{
		EntityCommandBuffer.ParallelWriter ecb = SystemAPI.GetSingleton<EndSimulationEntityCommandBufferSystem.Singleton>()
													.CreateCommandBuffer(state.WorldUnmanaged).AsParallelWriter();

state.Dependency = new InitialisePlayerJob()
		{
			ecb = ecb
		}.ScheduleParallel(state.Dependency);
	}

[BurstCompile]
	public partial struct InitialisePlayerJob : IJobEntity
	{
		public EntityCommandBuffer.ParallelWriter ecb;

[BurstCompile]
		public void Execute([ChunkIndexInQuery] int sortKey, PlayerClassAspect classComponent, in PlayerInitialiseTag tag)
		{
			if (classComponent.CheckHasInitialised())
			{
				return;
			}

// Spawn in a chosen prefab
			// Parent prefab to the base entity (this)
			Entity selectedMesh = classComponent.GetClassPrefab();
			Entity shipMesh = ecb.Instantiate(sortKey, selectedMesh);
			ecb.AddComponent<Parent>(sortKey, shipMesh, new Parent { Value = classComponent.self });
			classComponent.SetHasInitialised();
			ecb.RemoveComponent<PlayerInitialiseTag>(sortKey, classComponent.self);
		}
	}
}

Spawning System

C#copy raw

//    Space MMO    
//  Author: Josh Hughes

[BurstCompile]
[UpdateInGroup(typeof(InitializationSystemGroup))]
public partial struct StartingPointSpawningSystem : ISystem
{
	[BurstCompile]
	public void OnCreate(ref SystemState state)
	{

}

[BurstCompile]
	public void OnDestroy(ref SystemState state)
	{

}

[BurstCompile]
	public void OnUpdate(ref SystemState state)
	{
		// Eventually wewill want this updating every frame as we will want to spawn new players during the simulation
		state.Enabled = false;
		EntityCommandBuffer.ParallelWriter ecb = SystemAPI.GetSingleton<EndInitializationEntityCommandBufferSystem.Singleton>()
													.CreateCommandBuffer(state.WorldUnmanaged).AsParallelWriter();

state.Dependency = new StartingPointSpawnerJob()
		{
			ecb = ecb
		}.ScheduleParallel(state.Dependency);
	}

public partial struct StartingPointSpawnerJob : IJobEntity
	{
		public EntityCommandBuffer.ParallelWriter ecb;

private void Execute([ChunkIndexInQuery] int chunkIndex, in StartingPointProperties startingPointProperties)
		{
			Entity ship = ecb.Instantiate(chunkIndex, startingPointProperties.playerBaseEntity);
		}
	}
}

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stats: 123 lines, 265 words, 3.05kb