Pneumatic cannons (#4560)

* basics & visuals

* pneumatic cannon works perf

* loc + popups

* gas tank does stuff + queue changes

* updates

* b

* forcefeeding

* inhand

* crafting!

* pie cannon now is a pneumatic cannon

* oopy

* fix for entman + verbs

* pie

* change for tools

* actual

* combat mode + better sounds

* reviews

Content.Server/Nutrition/EntitySystems/ForcefeedOnCollideSystem.cs

@@ -0,0 +1,36 @@
+using Content.Server.Nutrition.Components;
+using Content.Shared.Throwing;
+using Robust.Shared.GameObjects;
+
+namespace Content.Server.Nutrition.EntitySystems
+{
+    public class ForcefeedOnCollideSystem : EntitySystem
+    {
+        public override void Initialize()
+        {
+            base.Initialize();
+
+            SubscribeLocalEvent<ForcefeedOnCollideComponent, ThrowDoHitEvent>(OnThrowDoHit);
+            SubscribeLocalEvent<ForcefeedOnCollideComponent, LandEvent>(OnLand);
+        }
+
+        private void OnThrowDoHit(EntityUid uid, ForcefeedOnCollideComponent component, ThrowDoHitEvent args)
+        {
+            if (!args.Target.HasComponent<HungerComponent>())
+                return;
+            if (!EntityManager.TryGetComponent<FoodComponent>(uid, out var food))
+                return;
+
+            // the 'target' isnt really the 'user' per se.. but..
+            food.TryUseFood(args.Target, args.Target);
+        }
+
+        private void OnLand(EntityUid uid, ForcefeedOnCollideComponent component, LandEvent args)
+        {
+            if (!component.RemoveOnThrowEnd)
+                return;
+
+            EntityManager.RemoveComponent(uid, component);
+        }
+    }
+}