Add Different Styles for Instruments (#9250)

Content.Server/Instruments/SwappableInstrumentSystem.cs

@@ -0,0 +1,51 @@
+using Content.Shared.Instruments;
+using Content.Shared.Popups;
+using Content.Shared.Verbs;
+using Robust.Shared.Player;
+
+namespace Content.Server.Instruments;
+
+public sealed class SwappableInstrumentSystem : EntitySystem
+{
+    [Dependency] private readonly SharedInstrumentSystem _sharedInstrument = default!;
+    [Dependency] private readonly SharedPopupSystem _popup = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<SwappableInstrumentComponent, GetVerbsEvent<AlternativeVerb>>(AddStyleVerb);
+    }
+
+    private void AddStyleVerb(EntityUid uid, SwappableInstrumentComponent component, GetVerbsEvent<AlternativeVerb> args)
+    {
+        if (!args.CanInteract || !args.CanAccess || component.InstrumentList.Count <= 1)
+            return;
+
+        if (!TryComp<SharedInstrumentComponent>(uid, out var instrument))
+            return;
+
+        if (instrument.Playing) //no changing while playing
+            return;
+
+        var priority = 0;
+        foreach (var entry in component.InstrumentList)
+        {
+            AlternativeVerb selection = new()
+            {
+                Text = entry.Key,
+                Category = VerbCategory.InstrumentStyle,
+                Priority = priority,
+                Act = () =>
+                {
+                    _sharedInstrument.SetInstrumentProgram(instrument, entry.Value.Item1, entry.Value.Item2);
+                    _popup.PopupEntity(Loc.GetString("swappable-instrument-component-style-set", ("style", entry.Key)),
+                        args.User, Filter.Entities(args.User));
+                }
+            };
+
+            priority--;
+            args.Verbs.Add(selection);
+        }
+    }
+}