Mega Antag Refactor (#25786)

* Mega Antag Refactor

* last minute delta save

* more workshopping

* more shit

* ok tested this for once

* okkkkk sure

* generic delays for starting rules

* well darn

* nukies partially

* ouagh

* ballin' faded and smonkin wed

* obliterated the diff

* Spread my arms and soak up congratulations

* I've got plenty of love, but nothing to show for it

* but there’s too much sunlight
Shining on my laptop monitor, so I
Can’t see anything with any amount of clarity

* ok this junk

* OOK!

* fubar

* most of sloth's review

* oh boy

* eek

* hell yea!

* ASDFJASDJFvsakcvjkzjnhhhyh

Content.Server/GameTicking/Rules/Components/LoadMapRuleComponent.cs

@@ -0,0 +1,29 @@
+using Content.Server.Maps;
+using Content.Shared.Whitelist;
+using Robust.Shared.Map;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Utility;
+
+namespace Content.Server.GameTicking.Rules.Components;
+
+/// <summary>
+/// This is used for a game rule that loads a map when activated.
+/// </summary>
+[RegisterComponent]
+public sealed partial class LoadMapRuleComponent : Component
+{
+    [DataField]
+    public MapId? Map;
+
+    [DataField]
+    public ProtoId<GameMapPrototype>? GameMap ;
+
+    [DataField]
+    public ResPath? MapPath;
+
+    [DataField]
+    public List<EntityUid> MapGrids = new();
+
+    [DataField]
+    public EntityWhitelist? SpawnerWhitelist;
+}