Glowsticks, flares and lighting behaviours (#1886)

* Assets

* LightingBehaviours, flares, and such.

* More changes

* More changes, more flare work.

* More work on flares + light behaviours

* another refactor

* missed

* Light behaviours refactor, added sfx, improved graphics, improved lighting effects for glowstick and flare.

* remove unneeded value

* nullables

* remove old code

* nullable

* one last push

* net id

* more work

* more colors for glowsticks

* Adjust flare so it fades in

* fix name

* sprite fix

Content.Shared/GameObjects/Components/SharedExpendableLightComponent.cs

@@ -0,0 +1,80 @@
+using System;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization;
+using Robust.Shared.ViewVariables;
+
+namespace Content.Shared.GameObjects.Components
+{
+    [Serializable, NetSerializable]
+    public enum ExpendableLightVisuals
+    {
+        State
+    }
+
+    [Serializable, NetSerializable]
+    public enum ExpendableLightState
+    {
+        BrandNew,
+        Lit,
+        Fading,
+        Dead
+    }
+
+    public abstract class SharedExpendableLightComponent: Component
+    {
+        public sealed override string Name => "ExpendableLight";
+
+        [ViewVariables(VVAccess.ReadOnly)]
+        protected ExpendableLightState CurrentState { get; set; }
+
+        [ViewVariables]
+        protected string TurnOnBehaviourID { get; set; }
+
+        [ViewVariables]
+        protected string FadeOutBehaviourID { get; set; }
+
+        [ViewVariables]
+        protected float GlowDuration { get; set; }
+
+        [ViewVariables]
+        protected float FadeOutDuration { get; set; }
+
+        [ViewVariables]
+        protected string SpentDesc { get; set; }
+
+        [ViewVariables]
+        protected string SpentName { get; set; }
+
+        [ViewVariables]
+        protected string IconStateSpent { get; set; }
+
+        [ViewVariables]
+        protected string IconStateLit { get; set; }
+
+        [ViewVariables]
+        protected string LitSound { get; set; }
+
+        [ViewVariables]
+        protected string LoopedSound { get; set; }
+
+        [ViewVariables]
+        protected string DieSound { get; set; }
+
+        public override void ExposeData(ObjectSerializer serializer)
+        {
+            base.ExposeData(serializer);
+
+            serializer.DataField(this, x => TurnOnBehaviourID, "turnOnBehaviourID", string.Empty);
+            serializer.DataField(this, x => FadeOutBehaviourID, "fadeOutBehaviourID", string.Empty);
+            serializer.DataField(this, x => GlowDuration, "glowDuration", 60 * 15f);
+            serializer.DataField(this, x => FadeOutDuration, "fadeOutDuration", 60 * 5f);
+            serializer.DataField(this, x => SpentName, "spentName", string.Empty);
+            serializer.DataField(this, x => SpentDesc, "spentDesc", string.Empty);
+            serializer.DataField(this, x => IconStateLit, "iconStateOn", string.Empty);
+            serializer.DataField(this, x => IconStateSpent, "iconStateSpent", string.Empty);
+            serializer.DataField(this, x => LitSound, "litSound", string.Empty);
+            serializer.DataField(this, x => LoopedSound, "loopedSound", string.Empty);
+            serializer.DataField(this, x => DieSound, "dieSound", string.Empty);
+        }
+    }
+}