From 14669f1521bd927b2f9aeedef8bb4a92b91b885c Mon Sep 17 00:00:00 2001
From: vulppine <vulppine@gmail.com>
Date: Mon, 22 Aug 2022 01:15:10 -0700
Subject: [PATCH] devicelistsystem now emits an event when a device list is
 updated

---
 .../DeviceNetwork/Systems/DeviceListSystem.cs  | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/Content.Server/DeviceNetwork/Systems/DeviceListSystem.cs b/Content.Server/DeviceNetwork/Systems/DeviceListSystem.cs
index 97a0864a8b..4c73774f0c 100644
--- a/Content.Server/DeviceNetwork/Systems/DeviceListSystem.cs
+++ b/Content.Server/DeviceNetwork/Systems/DeviceListSystem.cs
@@ -1,4 +1,5 @@
-using Content.Server.DeviceNetwork.Components;
+using System.Linq;
+using Content.Server.DeviceNetwork.Components;
 using Content.Shared.Interaction;
 using JetBrains.Annotations;
 
@@ -25,7 +26,10 @@ public sealed class DeviceListSystem : EntitySystem
         if (!merge)
             deviceList.Devices.Clear();
 
-        deviceList.Devices.UnionWith(devices);
+        var devicesList = devices.ToList();
+        deviceList.Devices.UnionWith(devicesList);
+
+        RaiseLocalEvent(uid, new DeviceListUpdateEvent(devicesList));
     }
 
     /// <summary>
@@ -91,3 +95,13 @@ public sealed class DeviceListSystem : EntitySystem
             args.Cancel();
     }
 }
+
+public sealed class DeviceListUpdateEvent : EntityEventArgs
+{
+    public DeviceListUpdateEvent(List<EntityUid> devices)
+    {
+        Devices = devices;
+    }
+
+    public List<EntityUid> Devices { get; }
+}