Files
tbd-station-14/Content.Server/StationEvents/Events/DiseaseOutbreakRule.cs
2023-04-25 20:23:14 -04:00

60 lines
2.2 KiB
C#

using Content.Server.Disease;
using Content.Server.Disease.Components;
using Content.Server.GameTicking.Rules.Components;
using Content.Server.StationEvents.Components;
using Content.Shared.Disease;
using Content.Shared.Mobs.Components;
using Content.Shared.Mobs.Systems;
using Robust.Shared.Random;
namespace Content.Server.StationEvents.Events;
/// <summary>
/// Infects a couple people
/// with a random disease that isn't super deadly
/// </summary>
public sealed class DiseaseOutbreakRule : StationEventSystem<DiseaseOutbreakRuleComponent>
{
[Dependency] private readonly DiseaseSystem _diseaseSystem = default!;
[Dependency] private readonly MobStateSystem _mobStateSystem = default!;
/// <summary>
/// Finds 2-5 random, alive entities that can host diseases
/// and gives them a randomly selected disease.
/// They all get the same disease.
/// </summary>
protected override void Started(EntityUid uid, DiseaseOutbreakRuleComponent component, GameRuleComponent gameRule, GameRuleStartedEvent args)
{
base.Started(uid, component, gameRule, args);
HashSet<EntityUid> stationsToNotify = new();
List<DiseaseCarrierComponent> aliveList = new();
foreach (var (carrier, mobState) in EntityQuery<DiseaseCarrierComponent, MobStateComponent>())
{
if (!_mobStateSystem.IsDead(mobState.Owner, mobState))
aliveList.Add(carrier);
}
RobustRandom.Shuffle(aliveList);
// We're going to filter the above out to only alive mobs. Might change after future mobstate rework
var toInfect = RobustRandom.Next(2, 5);
var diseaseName = RobustRandom.Pick(component.NotTooSeriousDiseases);
if (!PrototypeManager.TryIndex(diseaseName, out DiseasePrototype? disease))
return;
// Now we give it to people in the list of living disease carriers earlier
foreach (var target in aliveList)
{
if (toInfect-- == 0)
break;
_diseaseSystem.TryAddDisease(target.Owner, disease, target);
var station = StationSystem.GetOwningStation(target.Owner);
if(station == null) continue;
stationsToNotify.Add((EntityUid) station);
}
}
}