Per-map parallax support (#9786)

* Per-map parallax support

* Comments for future sloth

* c

* bet

* Fix exception

* VV support

* Fix parallax

* mem

* weightless sounds

* Gravity stuff

* placeholder coz im too lazy to stash don't @ me son

* decent clouds

* sky

* Fast parallax

* Imagine spelling

* Loicense

* perish

* Fix weightless status

Co-authored-by: metalgearsloth <metalgearsloth@gmail.com>

Content.Server/Parallax/ParallaxSystem.cs

@@ -0,0 +1,23 @@
+using Content.Shared.Parallax;
+using Robust.Shared.GameStates;
+
+namespace Content.Server.Parallax;
+
+public sealed class ParallaxSystem : SharedParallaxSystem
+{
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<ParallaxComponent, ComponentGetState>(OnParallaxGetState);
+    }
+
+    private void OnParallaxGetState(EntityUid uid, ParallaxComponent component, ref ComponentGetState args)
+    {
+        args.State = new ParallaxComponentState
+        {
+            Parallax = component.Parallax
+        };
+    }
+
+}