Voice mask (#10458)

Content.Server/VoiceMask/VoiceMaskSystem.Equip.cs

@@ -0,0 +1,48 @@
+using Content.Server.Actions;
+using Content.Shared.Actions.ActionTypes;
+using Content.Shared.Inventory;
+using Content.Shared.Inventory.Events;
+using Content.Shared.Speech;
+using Robust.Shared.Prototypes;
+
+namespace Content.Server.VoiceMask;
+
+// This partial deals with equipment, i.e., the syndicate voice mask.
+public sealed partial class VoiceMaskSystem
+{
+    [Dependency] private readonly InventorySystem _inventory = default!;
+    [Dependency] private readonly ActionsSystem _actions = default!;
+    [Dependency] private readonly IPrototypeManager _prototypeManager = default!;
+
+    private const string MaskSlot = "mask";
+
+    private void OnEquip(EntityUid uid, VoiceMaskerComponent component, GotEquippedEvent args)
+    {
+        var comp = EnsureComp<VoiceMaskComponent>(args.Equipee);
+        comp.VoiceName = component.LastSetName;
+
+        if (!_prototypeManager.TryIndex<InstantActionPrototype>(component.Action, out var action))
+        {
+            throw new ArgumentException("Could not get voice masking prototype.");
+        }
+
+        _actions.AddAction(args.Equipee, (InstantAction) action.Clone(), uid);
+    }
+
+    private void OnUnequip(EntityUid uid, VoiceMaskerComponent compnent, GotUnequippedEvent args)
+    {
+        RemComp<VoiceMaskComponent>(args.Equipee);
+    }
+
+    private void TrySetLastKnownName(EntityUid maskWearer, string lastName)
+    {
+        if (!HasComp<VoiceMaskComponent>(maskWearer)
+            || !_inventory.TryGetSlotEntity(maskWearer, MaskSlot, out var maskEntity)
+            || !TryComp<VoiceMaskerComponent>(maskEntity, out var maskComp))
+        {
+            return;
+        }
+
+        maskComp.LastSetName = lastName;
+    }
+}