From fea41c539e05b210c7df5025d61d9727ffdc9400 Mon Sep 17 00:00:00 2001
From: Vera Aguilera Puerto <gradientvera@outlook.com>
Date: Mon, 1 Nov 2021 17:28:42 +0100
Subject: [PATCH] Add RaiseEvent action to CGL. Machines raise a
 MachineDeconstructedEvent. The latter is very useful for any special machine
 cleanup that needs to happen when a machine is deconstructed. The former will
 be useful for so many things!

---
 .../Construction/Completions/RaiseEvent.cs    | 32 +++++++++++++++++++
 .../Components/MachineFrameComponent.cs       |  6 ++++
 .../Recipes/Construction/Graphs/machine.yml   |  4 +++
 3 files changed, 42 insertions(+)
 create mode 100644 Content.Server/Construction/Completions/RaiseEvent.cs

diff --git a/Content.Server/Construction/Completions/RaiseEvent.cs b/Content.Server/Construction/Completions/RaiseEvent.cs
new file mode 100644
index 0000000000..f4a5f962f6
--- /dev/null
+++ b/Content.Server/Construction/Completions/RaiseEvent.cs
@@ -0,0 +1,32 @@
+using Content.Shared.Construction;
+using JetBrains.Annotations;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization.Manager.Attributes;
+
+namespace Content.Server.Construction.Completions
+{
+    [UsedImplicitly]
+    public class RaiseEvent : IGraphAction
+    {
+        [DataField("event", required:true)]
+        public EntityEventArgs? Event { get; } = null;
+
+        [DataField("directed")]
+        public bool Directed { get; } = true;
+
+        [DataField("broadcast")]
+        public bool Broadcast { get; } = true;
+
+        public void PerformAction(EntityUid uid, EntityUid? userUid, IEntityManager entityManager)
+        {
+            if (Event == null || !Directed && !Broadcast)
+                return;
+
+            if(Directed)
+                entityManager.EventBus.RaiseLocalEvent(uid, (object)Event, false);
+
+            if(Broadcast)
+                entityManager.EventBus.RaiseEvent(EventSource.Local, (object)Event);
+        }
+    }
+}
diff --git a/Content.Server/Construction/Components/MachineFrameComponent.cs b/Content.Server/Construction/Components/MachineFrameComponent.cs
index 0f85261070..34bb43b867 100644
--- a/Content.Server/Construction/Components/MachineFrameComponent.cs
+++ b/Content.Server/Construction/Components/MachineFrameComponent.cs
@@ -8,6 +8,7 @@ using Robust.Server.GameObjects;
 using Robust.Shared.Containers;
 using Robust.Shared.GameObjects;
 using Robust.Shared.IoC;
+using Robust.Shared.Serialization.Manager.Attributes;
 using Robust.Shared.ViewVariables;
 
 namespace Content.Server.Construction.Components
@@ -357,4 +358,9 @@ namespace Content.Server.Construction.Components
             return false;
         }
     }
+
+    [DataDefinition]
+    public class MachineDeconstructedEvent : EntityEventArgs
+    {
+    }
 }
diff --git a/Resources/Prototypes/Recipes/Construction/Graphs/machine.yml b/Resources/Prototypes/Recipes/Construction/Graphs/machine.yml
index d18c4ac6dd..93a7535235 100644
--- a/Resources/Prototypes/Recipes/Construction/Graphs/machine.yml
+++ b/Resources/Prototypes/Recipes/Construction/Graphs/machine.yml
@@ -81,6 +81,10 @@
           container: machine_board
       edges:
         - to: machineFrame
+          completed:
+            - !type:RaiseEvent
+              event: !type:MachineDeconstructedEvent
+              broadcast: false
           conditions:
             - !type:EntityAnchored
             - !type:WirePanel