88 lines
2.0 KiB
C#
88 lines
2.0 KiB
C#
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using UnityEngine;
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using UnityEngine.Events;
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using UnityEngine.Networking;
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namespace RoR2;
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public class ParticleDeathEvent : MonoBehaviour
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{
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public ParticleSystem particleSystemToTrack;
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public bool OnServerOnly;
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[Tooltip("Displays a message whenever a new particle is born")]
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public bool debugMessages;
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[Space(20f)]
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[Tooltip("The trigger will not fire if it's fired within this many seconds ago. Leave at -1 for 'fire every frame if need be.'")]
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public float triggerCooldown = -1f;
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[Space(20f)]
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public UnityEvent onParticleTrigger;
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private ParticleSystem.Particle[] particleArray;
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private float lastTriggerTimestamp;
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private float nextEventFireTimestamp = -1f;
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private void Awake()
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{
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if (particleSystemToTrack == null)
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{
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particleSystemToTrack = GetComponent<ParticleSystem>();
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}
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if (particleSystemToTrack != null)
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{
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particleArray = new ParticleSystem.Particle[particleSystemToTrack.main.maxParticles];
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}
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}
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private void LateUpdate()
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{
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if (particleSystemToTrack == null || (OnServerOnly && !NetworkServer.active))
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{
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base.enabled = false;
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return;
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}
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float time = Time.time;
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if (nextEventFireTimestamp > 0f && time > nextEventFireTimestamp)
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{
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HandleFireEvent(time);
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}
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if (particleSystemToTrack.isEmitting)
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{
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HandleEstimateNextParticleDeath(time);
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}
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}
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private void HandleEstimateNextParticleDeath(float currentTime)
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{
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int particles = particleSystemToTrack.GetParticles(particleArray);
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float num = ((nextEventFireTimestamp != -1f) ? (nextEventFireTimestamp - currentTime) : float.MaxValue);
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for (int i = 0; i < particles; i++)
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{
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float remainingLifetime = particleArray[i].remainingLifetime;
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if (remainingLifetime < num)
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{
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num = remainingLifetime;
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}
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}
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if (num != float.MaxValue)
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{
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nextEventFireTimestamp = currentTime + num;
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}
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}
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private void HandleFireEvent(float currentTime)
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{
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nextEventFireTimestamp = -1f;
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if (!(currentTime - lastTriggerTimestamp < triggerCooldown))
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{
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_ = debugMessages;
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lastTriggerTimestamp = currentTime;
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onParticleTrigger?.Invoke();
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}
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}
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}
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