Adds Handheld Radio/Listener system (#1457)

* re-do of old PR that got fuckied upp

* simplify foreach as suggested

* pass distance to PassSpeechData for a check, remove GetListenRange()

* adds RadioQuery instead of subscribing/unsubscribing

* change SpreadMessage to accept owner rather than component

* change RadioQuery to EntityQuery

* remove declared EntityQuery (oops, didn't know what shadowcommander meant)

* refactor ListeningSystem & refactor added chat logic into listen sys

* IGNORE the oopsie STOP LOOKING

Content.Server/Chat/ChatManager.cs

@@ -10,6 +10,15 @@ using Robust.Shared.Interfaces.GameObjects;
 using Robust.Shared.Interfaces.Network;
 using Robust.Shared.IoC;
 using Robust.Shared.Localization;
+using Robust.Shared.Log;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+using System;
+using Content.Server.GameObjects.Components;
+using System.Collections.Generic;
+using Content.Server.GameObjects.Components.Interactable;
+using Content.Server.GameObjects.EntitySystems;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+using Robust.Shared.Interfaces.Map;
 
 namespace Content.Server.Chat
 {
@@ -21,6 +30,7 @@ namespace Content.Server.Chat
         private const int VoiceRange = 7; // how far voice goes in world units
 
 #pragma warning disable 649
+        [Dependency] private readonly IEntitySystemManager _entitySystemManager;
         [Dependency] private readonly IServerNetManager _netManager;
         [Dependency] private readonly IPlayerManager _playerManager;
         [Dependency] private readonly ILocalizationManager _localizationManager;
@@ -67,6 +77,9 @@ namespace Content.Server.Chat
             msg.MessageWrap = $"{source.Name} says, \"{{0}}\"";
             msg.SenderEntity = source.Uid;
             _netManager.ServerSendToMany(msg, clients.ToList());
+
+            var listeners = _entitySystemManager.GetEntitySystem<ListeningSystem>();
+            listeners.PingListeners(source, pos, message);
         }
 
         public void EntityMe(IEntity source, string action)