Audible emotes (#12708)

Co-authored-by: Visne <39844191+Visne@users.noreply.github.com>

Content.Server/Emoting/Systems/BodyEmotesSystem.cs

@@ -0,0 +1,48 @@
+using Content.Server.Chat.Systems;
+using Content.Server.Emoting.Components;
+using Content.Server.Hands.Components;
+using Content.Shared.Chat.Prototypes;
+using Robust.Shared.Prototypes;
+
+namespace Content.Server.Emoting.Systems;
+
+public sealed class BodyEmotesSystem : EntitySystem
+{
+    [Dependency] private readonly IPrototypeManager _proto = default!;
+    [Dependency] private readonly ChatSystem _chat = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+        SubscribeLocalEvent<BodyEmotesComponent, ComponentStartup>(OnStartup);
+        SubscribeLocalEvent<BodyEmotesComponent, EmoteEvent>(OnEmote);
+    }
+
+    private void OnStartup(EntityUid uid, BodyEmotesComponent component, ComponentStartup args)
+    {
+        if (component.SoundsId == null)
+            return;
+        _proto.TryIndex(component.SoundsId, out component.Sounds);
+    }
+
+    private void OnEmote(EntityUid uid, BodyEmotesComponent component, ref EmoteEvent args)
+    {
+        if (args.Handled)
+            return;
+
+        var cat = args.Emote.Category;
+        if (cat.HasFlag(EmoteCategory.Hands))
+        {
+            args.Handled = TryEmoteHands(uid, args.Emote, component);
+        }
+    }
+
+    private bool TryEmoteHands(EntityUid uid, EmotePrototype emote, BodyEmotesComponent component)
+    {
+        // check that user actually has hands to do emote sound
+        if (!TryComp(uid, out HandsComponent? hands) || hands.Count <= 0)
+            return false;
+
+        return _chat.TryPlayEmoteSound(uid, component.Sounds, emote);
+    }
+}