Singularity Shaders and a lot of Shader Stuff (#2517)

* Beginnings of singulo shader

* LOTS of changes!!

* Minor changes

* Singulo stuff

* Aesthetic changes to singulo

* Combining singulo change

* ShaderAura uses IEntities now, not IPlayerSession

* Fixes?

* Fixes draw order for atmos

* using fix

* Address reviews

* nuget.config whaaa

* nuget haha

* nuget why are you so dum

* happy now

* Preparing for omegachange

* Merge from seventh level of hell

* woork

* Ignorecomponents add

* mmf

* RobustToolbox?

* Fixes

* Fixes Robust?

* adds sprite

* Nullables

* Crit overlay stuff

* Commits Robust

Content.Server/GameObjects/EntitySystems/SingularitySystem.cs

@@ -7,23 +7,24 @@ namespace Content.Server.GameObjects.EntitySystems
     [UsedImplicitly]
     public class SingularitySystem : EntitySystem
     {
+        private float _updateInterval = 1.0f;
         private float _accumulator;
 
         public override void Update(float frameTime)
         {
             base.Update(frameTime);
-
             _accumulator += frameTime;
 
-            while (_accumulator > 1.0f)
+            while (_accumulator > _updateInterval)
             {
-                _accumulator -= 1.0f;
+                _accumulator -= _updateInterval;
 
-                foreach (var singularity in ComponentManager.EntityQuery<SingularityComponent>())
+                foreach (var singularity in ComponentManager.EntityQuery<ServerSingularityComponent>())
                 {
                     singularity.Update(1);
                 }
             }
+
         }
     }
 }