Syringe gun! (#32112)

* Init testing

* copyright

* oops

* Tracking the embed entity uid

* testing stuff for gradual injection

* work

* weh

* god save me

* bleh

* Yippee!

* Again

* Mini syringe ammo

* cleaning up

* mini syringes have a texture for fill amount

* -3 cool points :(

* hitboxes

* init cleanup

* much needed fixes

* Fixes

Content.Shared/Projectiles/SharedProjectileSystem.cs

@@ -71,6 +71,8 @@ public abstract partial class SharedProjectileSystem : EntitySystem
         TryComp<PhysicsComponent>(uid, out var physics);
         _physics.SetBodyType(uid, BodyType.Dynamic, body: physics, xform: xform);
         _transform.AttachToGridOrMap(uid, xform);
+        component.EmbeddedIntoUid = null;
+        Dirty(uid, component);
 
         // Reset whether the projectile has damaged anything if it successfully was removed
         if (TryComp<ProjectileComponent>(uid, out var projectile))
@@ -127,8 +129,10 @@ public abstract partial class SharedProjectileSystem : EntitySystem
         }
 
         _audio.PlayPredicted(component.Sound, uid, null);
+        component.EmbeddedIntoUid = target;
         var ev = new EmbedEvent(user, target);
         RaiseLocalEvent(uid, ref ev);
+        Dirty(uid, component);
     }
 
     private void PreventCollision(EntityUid uid, ProjectileComponent component, ref PreventCollideEvent args)