Spacelube slide (#24801)

* Space lube now makes you slide

* review

* oh lord he slippin

---------

Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Shared/Slippery/SlipperySystem.cs

@@ -5,7 +5,6 @@ using Content.Shared.StatusEffect;
 using Content.Shared.StepTrigger.Systems;
 using Content.Shared.Stunnable;
 using JetBrains.Annotations;
-using Robust.Shared.Audio;
 using Robust.Shared.Audio.Systems;
 using Robust.Shared.Containers;
 using Robust.Shared.Physics.Components;
@@ -60,7 +59,7 @@ public sealed class SlipperySystem : EntitySystem
 
     private void TrySlip(EntityUid uid, SlipperyComponent component, EntityUid other)
     {
-        if (HasComp<KnockedDownComponent>(other))
+        if (HasComp<KnockedDownComponent>(other) && !component.SuperSlippery)
             return;
 
         var attemptEv = new SlipAttemptEvent();
@@ -71,9 +70,14 @@ public sealed class SlipperySystem : EntitySystem
         var ev = new SlipEvent(other);
         RaiseLocalEvent(uid, ref ev);
 
-        if (TryComp(other, out PhysicsComponent? physics))
+        if (TryComp(other, out PhysicsComponent? physics) && !HasComp<SlidingComponent>(other))
+        {
             _physics.SetLinearVelocity(other, physics.LinearVelocity * component.LaunchForwardsMultiplier, body: physics);
 
+            if (component.SuperSlippery)
+                EnsureComp<SlidingComponent>(other);
+        }
+
         var playSound = !_statusEffects.HasStatusEffect(other, "KnockedDown");
 
         _stun.TryParalyze(other, TimeSpan.FromSeconds(component.ParalyzeTime), true);