Shitty combat mode & animations. (#367)

* Combat mode UI & targeting zones.

* Fix inventory hud positioning.

* Crappy attack animations.

* Import TG combat sounds

* More work on arcs.

* Implement hit sounds.

* Lunging, hit effects, some more stuff.

Content.Client/GameObjects/EntitySystems/MeleeLungeSystem.cs

@@ -0,0 +1,28 @@
+using Content.Client.GameObjects.Components.Mobs;
+using JetBrains.Annotations;
+using Robust.Shared.GameObjects;
+using Robust.Shared.GameObjects.Systems;
+
+namespace Content.Client.GameObjects.EntitySystems
+{
+    [UsedImplicitly]
+    public sealed class MeleeLungeSystem : EntitySystem
+    {
+        public override void Initialize()
+        {
+            base.Initialize();
+
+            EntityQuery = new TypeEntityQuery<MeleeLungeComponent>();
+        }
+
+        public override void FrameUpdate(float frameTime)
+        {
+            base.FrameUpdate(frameTime);
+
+            foreach (var entity in RelevantEntities)
+            {
+                entity.GetComponent<MeleeLungeComponent>().Update(frameTime);
+            }
+        }
+    }
+}