41 lines
1.3 KiB
C#
41 lines
1.3 KiB
C#
using Content.Shared.Damage;
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using Content.Shared.Trigger.Components.Effects;
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namespace Content.Shared.Trigger.Systems;
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public sealed class DamageOnTriggerSystem : EntitySystem
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{
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[Dependency] private readonly DamageableSystem _damageableSystem = default!;
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public override void Initialize()
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{
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base.Initialize();
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SubscribeLocalEvent<DamageOnTriggerComponent, TriggerEvent>(OnTrigger);
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}
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private void OnTrigger(Entity<DamageOnTriggerComponent> ent, ref TriggerEvent args)
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{
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if (args.Key != null && !ent.Comp.KeysIn.Contains(args.Key))
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return;
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var target = ent.Comp.TargetUser ? args.User : ent.Owner;
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if (target == null)
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return;
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var damage = new DamageSpecifier(ent.Comp.Damage);
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var ev = new BeforeDamageOnTriggerEvent(damage, target.Value);
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RaiseLocalEvent(ent.Owner, ref ev);
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args.Handled |= _damageableSystem.TryChangeDamage(target, ev.Damage, ent.Comp.IgnoreResistances, origin: ent.Owner) is not null;
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}
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}
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/// <summary>
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/// Raised on an entity before it deals damage using DamageOnTriggerComponent.
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/// Used to modify the damage that will be dealt.
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/// </summary>
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[ByRefEvent]
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public record struct BeforeDamageOnTriggerEvent(DamageSpecifier Damage, EntityUid Tripper);
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