78 lines
No EOL
2.6 KiB
C#
78 lines
No EOL
2.6 KiB
C#
using Cinemachine;
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using Events;
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using System;
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using System.Collections.Generic;
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using Unity.Entities;
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using UnityEngine;
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using Zenject;
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namespace DefaultNamespace
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{
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[UpdateInGroup(typeof(PresentationSystemGroup)), UpdateAfter(typeof(ActorGrenadeSystem))]
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public class FragGrenadeSystem : InjectableComponentSystem
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{
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[Serializable]
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public class Settings
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{
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public SoundLibrary ExplosionSound;
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public CinemachineImpulseSource ImpulseSource;
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public ParticleSystem Particles;
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}
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[Inject] private Settings settings;
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[Inject] private SoundManager soundManager;
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protected override void OnSystemUpdate()
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{
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Entities.ForEach(
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(ref EntityDeathEvent e, ref FragGrenadeData fragGrenade, ref GrenadeData grenade, ref RigidBody2DData rigidBody) =>
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{
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settings.Particles.Emit(new ParticleSystem.EmitParams { position = rigidBody.Position }, 1);
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settings.ImpulseSource.GenerateImpulseAt(rigidBody.Position, Vector3.one);
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soundManager.PlayClip(PostUpdateCommands, settings.ExplosionSound, rigidBody.Position);
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var overlaps = new Dictionary<Entity, float>();
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var overlapColliders = Physics2D.OverlapCircleAll(rigidBody.Position, fragGrenade.Range);
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foreach (var collider in overlapColliders)
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{
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var actorFacade = collider.GetComponentInParent<ActorFacade>();
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if (actorFacade != null && EntityManager.HasComponent<ActorData>(actorFacade.Entity))
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{
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var currentDistance = Vector2.Distance(rigidBody.Position, collider.transform.TransformPoint(collider.offset));
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if (!overlaps.TryGetValue(actorFacade.Entity, out var distance))
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{
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distance = float.MaxValue;
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}
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if (currentDistance < distance)
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{
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overlaps.Add(actorFacade.Entity, currentDistance);
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}
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}
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}
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foreach (var overlap in overlaps)
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{
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var actor = EntityManager.GetComponentData<ActorData>(overlap.Key);
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var dmg = grenade.DamageEase.Ease(1 - Mathf.Clamp01(overlap.Value / fragGrenade.Range)) * grenade.Damage;
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actor.Health = Mathf.Max(0, actor.Health - dmg);
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if (actor.Health <= 0)
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{
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var overlapRigidBody = EntityManager.GetComponentObject<Rigidbody2D>(overlap.Key);
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var center = overlapRigidBody.position;
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if (EntityManager.TryGetComponentData<AimCenterData>(overlap.Key, out var aim))
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{
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center += aim.Offset;
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}
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PostUpdateCommands.PostEntityEvent(
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EntityManager,
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overlap.Key,
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new ActorDeathData { Direction = (center - rigidBody.Position).normalized, Force = dmg });
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}
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EntityManager.SetComponentData(overlap.Key, actor);
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}
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});
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}
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}
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} |