using System;
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using System.Collections.Generic;
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using Core.Utilities;
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using UnityEngine;
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namespace TowerDefense.Effects
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{
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/// <summary>
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/// Simple effect support script to reset trails and particles on enable, and also
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/// stops and starts reused emitters (to prevent them emitting when moving after being repooled)
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/// </summary>
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public class PoolableEffect : Poolable
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{
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protected List<ParticleSystem> m_Systems;
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protected List<TrailRenderer> m_Trails;
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bool m_EffectsEnabled;
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// TEST CODE TO DEBUG:
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protected static int ID_START = 0;
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protected int mGuid = 0;
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/// <summary>
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/// Stop emitting all particles
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/// </summary>
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public void StopAll()
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{
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foreach (var particleSystem in m_Systems)
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{
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particleSystem.Stop();
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}
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}
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/// <summary>
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/// Turn off all known systems
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/// </summary>
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public void TurnOffAllSystems()
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{
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if (!m_EffectsEnabled)
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{
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return;
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}
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// Reset all systems and trails
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foreach (var particleSystem in m_Systems)
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{
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particleSystem.Clear();
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var emission = particleSystem.emission;
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emission.enabled = false;
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}
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foreach (var trailRenderer in m_Trails)
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{
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int tid = mGuid;
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try
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{
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trailRenderer.Clear();
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trailRenderer.enabled = false;
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}catch( SystemException e)
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{
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Debug.Log("SystemExcept:" + e.ToString());
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}
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}
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m_EffectsEnabled = false;
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}
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/// <summary>
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/// Turn on all known systems
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/// </summary>
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public void TurnOnAllSystems()
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{
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if (m_EffectsEnabled)
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{
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return;
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}
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// Re-enable all systems and trails
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foreach (var particleSystem in m_Systems)
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{
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particleSystem.Clear();
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var emission = particleSystem.emission;
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emission.enabled = true;
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}
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foreach (var trailRenderer in m_Trails)
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{
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trailRenderer.Clear();
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trailRenderer.enabled = true;
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}
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m_EffectsEnabled = true;
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}
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protected override void Repool()
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{
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base.Repool();
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TurnOffAllSystems();
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}
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protected virtual void Awake()
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{
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m_EffectsEnabled = true;
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mGuid = ID_START++;
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// Cache systems and trails, but only active and emitting ones
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m_Systems = new List<ParticleSystem>();
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m_Trails = new List<TrailRenderer>();
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foreach (var system in GetComponentsInChildren<ParticleSystem>())
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{
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if (system.emission.enabled && system.gameObject.activeSelf)
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{
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m_Systems.Add(system);
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}
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}
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foreach (var trail in GetComponentsInChildren<TrailRenderer>())
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{
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if (trail.enabled && trail.gameObject.activeSelf)
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{
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m_Trails.Add(trail);
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}
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}
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TurnOffAllSystems();
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}
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}
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}
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