Bullet impact effects (#9530)

Content.Shared/Projectiles/SharedProjectileComponent.cs

@@ -1,13 +1,17 @@
 using Robust.Shared.GameStates;
-using Robust.Shared.Serialization;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
 
 namespace Content.Shared.Projectiles
 {
-    [NetworkedComponent()]
+    [NetworkedComponent, Access(typeof(SharedProjectileSystem))]
     public abstract class SharedProjectileComponent : Component
     {
+        [ViewVariables(VVAccess.ReadWrite), DataField("impactEffect", customTypeSerializer:typeof(PrototypeIdSerializer<EntityPrototype>))]
+        public string? ImpactEffect;
+
         private bool _ignoreShooter = true;
-        public EntityUid Shooter { get; protected set; }
+        public EntityUid Shooter { get; set; }
 
         public bool IgnoreShooter
         {
@@ -20,18 +24,5 @@ namespace Content.Shared.Projectiles
                 Dirty();
             }
         }
-
-        [NetSerializable, Serializable]
-        protected sealed class ProjectileComponentState : ComponentState
-        {
-            public ProjectileComponentState(EntityUid shooter, bool ignoreShooter)
-            {
-                Shooter = shooter;
-                IgnoreShooter = ignoreShooter;
-            }
-
-            public EntityUid Shooter { get; }
-            public bool IgnoreShooter { get; }
-        }
     }
 }

Content.Shared/Projectiles/SharedProjectileSystem.cs

@@ -1,4 +1,6 @@
+using Robust.Shared.Map;
 using Robust.Shared.Physics.Dynamics;
+using Robust.Shared.Serialization;
 
 namespace Content.Shared.Projectiles
 {
@@ -20,5 +22,39 @@ namespace Content.Shared.Projectiles
                 return;
             }
         }
+
+        public void SetShooter(SharedProjectileComponent component, EntityUid uid)
+        {
+            if (component.Shooter == uid) return;
+
+            component.Shooter = uid;
+            Dirty(component);
+        }
+
+        [NetSerializable, Serializable]
+        protected sealed class ProjectileComponentState : ComponentState
+        {
+            public ProjectileComponentState(EntityUid shooter, bool ignoreShooter)
+            {
+                Shooter = shooter;
+                IgnoreShooter = ignoreShooter;
+            }
+
+            public EntityUid Shooter { get; }
+            public bool IgnoreShooter { get; }
+        }
+
+        [Serializable, NetSerializable]
+        protected sealed class ImpactEffectEvent : EntityEventArgs
+        {
+            public string Prototype;
+            public EntityCoordinates Coordinates;
+
+            public ImpactEffectEvent(string prototype, EntityCoordinates coordinates)
+            {
+                Prototype = prototype;
+                Coordinates = coordinates;
+            }
+        }
     }
 }