Revamped Meteor Swarm (#28974)

* meteor code and balanced values

* Meteor Swarms

* Update meteors.yml

* Update meteors.yml

* HOO! (fix overkill bug and buff space dust)

* undo BloodstreamComponent.cs changes

* DamageDistribution -> DamageTypes

* part 2.

Content.Server/StationEvents/MeteorSchedulerSystem.cs

@@ -0,0 +1,39 @@
+using Content.Server.GameTicking.Rules;
+using Content.Server.StationEvents.Components;
+using Content.Shared.GameTicking.Components;
+using Content.Shared.Random.Helpers;
+using Robust.Shared.Prototypes;
+
+namespace Content.Server.StationEvents;
+
+/// <summary>
+/// This handles scheduling and launching meteors at a station at regular intervals.
+/// TODO: there is 100% a world in which this is genericized and can be used for lots of basic event scheduling
+/// </summary>
+public sealed class MeteorSchedulerSystem : GameRuleSystem<MeteorSchedulerComponent>
+{
+    [Dependency] private readonly IPrototypeManager _prototypeManager = default!;
+
+    protected override void Started(EntityUid uid, MeteorSchedulerComponent component, GameRuleComponent gameRule, GameRuleStartedEvent args)
+    {
+        base.Started(uid, component, gameRule, args);
+
+        component.NextSwarmTime = Timing.CurTime + RobustRandom.Next(component.MinSwarmDelay, component.MaxSwarmDelay);
+    }
+
+    protected override void ActiveTick(EntityUid uid, MeteorSchedulerComponent component, GameRuleComponent gameRule, float frameTime)
+    {
+        base.ActiveTick(uid, component, gameRule, frameTime);
+
+        if (Timing.CurTime < component.NextSwarmTime)
+            return;
+        RunSwarm((uid, component));
+        component.NextSwarmTime += RobustRandom.Next(component.MinSwarmDelay, component.MaxSwarmDelay);
+    }
+
+    private void RunSwarm(Entity<MeteorSchedulerComponent> ent)
+    {
+        var swarmWeights = _prototypeManager.Index(ent.Comp.Config);
+        GameTicker.StartGameRule(swarmWeights.Pick(RobustRandom));
+    }
+}