Remove IRadiationAct (#7757)

* Move radiation collector to ECS

* Damagable system

* Remove IRadiationAct

* Add small helper field

* Update Content.Server/Radiation/Systems/RadiationSystem.cs

Co-authored-by: Leon Friedrich <60421075+ElectroJr@users.noreply.github.com>

* Delete comment

* Fixed total rads

Co-authored-by: Leon Friedrich <60421075+ElectroJr@users.noreply.github.com>

Content.Server/Radiation/Systems/RadiationSystem.cs

@@ -0,0 +1,27 @@
+using Content.Shared.Radiation.Events;
+using Robust.Shared.Map;
+
+namespace Content.Server.Radiation.Systems;
+
+public sealed class RadiationSystem : EntitySystem
+{
+    [Dependency] private readonly EntityLookupSystem _lookup = default!;
+
+    public void IrradiateRange(MapCoordinates coordinates, float range, float radsPerSecond, float time)
+    {
+        var lookUp = _lookup.GetEntitiesInRange(coordinates, range);
+        foreach (var uid in lookUp)
+        {
+            if (Deleted(uid))
+                continue;
+
+            IrradiateEntity(uid, radsPerSecond, time);
+        }
+    }
+
+    public void IrradiateEntity(EntityUid uid, float radsPerSecond, float time)
+    {
+        var msg = new OnIrradiatedEvent(time, radsPerSecond);
+        RaiseLocalEvent(uid, msg);
+    }
+}