Intrinsic radio fixes (#9378)

* Inherent radio fixes

* rename

Content.Server/Ghost/Components/IntrinsicRadioComponent.cs

@@ -0,0 +1,44 @@
+using Content.Server.Radio.Components;
+using Content.Shared.Chat;
+using Content.Shared.Radio;
+using Robust.Server.GameObjects;
+using Robust.Shared.Network;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype.Set;
+
+namespace Content.Server.Ghost.Components
+{
+    /// <summary>
+    /// Add to a particular entity to let it receive messages from the specified channels.
+    /// </summary>
+    [RegisterComponent]
+    [ComponentReference(typeof(IRadio))]
+    public sealed class IntrinsicRadioComponent : Component, IRadio
+    {
+        // TODO: This class is yuck
+        [Dependency] private readonly IServerNetManager _netManager = default!;
+        [Dependency] private readonly IEntityManager _entMan = default!;
+
+        [DataField("channels", customTypeSerializer: typeof(PrototypeIdHashSetSerializer<RadioChannelPrototype>), required: true)]
+        private HashSet<string> _channels = new();
+
+        public void Receive(string message, RadioChannelPrototype channel, EntityUid speaker)
+        {
+            if (!_channels.Contains(channel.ID) || !_entMan.TryGetComponent(Owner, out ActorComponent? actor))
+                return;
+
+            var playerChannel = actor.PlayerSession.ConnectedClient;
+
+            var msg = new MsgChatMessage
+            {
+                Channel = ChatChannel.Radio,
+                Message = message,
+                //Square brackets are added here to avoid issues with escaping
+                MessageWrap = Loc.GetString("chat-radio-message-wrap", ("color", channel.Color), ("channel", $"\\[{channel.LocalizedName}\\]"), ("name", _entMan.GetComponent<MetaDataComponent>(speaker).EntityName))
+            };
+
+            _netManager.ServerSendMessage(msg, playerChannel);
+        }
+
+        public void Broadcast(string message, EntityUid speaker, RadioChannelPrototype channel) { }
+    }
+}