Move ChatSystem.Emotes to shared (#40866)

* move to shared

* entity effect to shared

* refactor: whitespaces+xml-doc typo fixups

* refactor: a little bit more of xml-doc typos fixups

---------

Co-authored-by: pa.pecherskij <pa.pecherskij@interfax.ru>

Content.Shared/Chat/SharedChatSystem.cs

@@ -1,15 +1,21 @@
 using System.Collections.Frozen;
 using System.Text.RegularExpressions;
+using Content.Shared.ActionBlocker;
+using Content.Shared.Chat.Prototypes;
 using Content.Shared.Popups;
 using Content.Shared.Radio;
 using Content.Shared.Speech;
+using Content.Shared.Whitelist;
 using Robust.Shared.Audio;
+using Robust.Shared.Audio.Systems;
+using Robust.Shared.Network;
 using Robust.Shared.Prototypes;
+using Robust.Shared.Random;
 using Robust.Shared.Utility;
 
 namespace Content.Shared.Chat;
 
-public abstract class SharedChatSystem : EntitySystem
+public abstract partial class SharedChatSystem : EntitySystem
 {
     public const char RadioCommonPrefix = ';';
     public const char RadioChannelPrefix = ':';
@@ -38,6 +44,11 @@ public abstract class SharedChatSystem : EntitySystem
 
     [Dependency] private readonly IPrototypeManager _prototypeManager = default!;
     [Dependency] private readonly SharedPopupSystem _popup = default!;
+    [Dependency] private readonly EntityWhitelistSystem _whitelist = default!;
+    [Dependency] private readonly ActionBlockerSystem _actionBlocker = default!;
+    [Dependency] private readonly SharedAudioSystem _audio = default!;
+    [Dependency] private readonly IRobustRandom _random = default!;
+    [Dependency] private readonly INetManager _net = default!;
 
     /// <summary>
     /// Cache of the keycodes for faster lookup.
@@ -47,15 +58,21 @@ public abstract class SharedChatSystem : EntitySystem
     public override void Initialize()
     {
         base.Initialize();
+
         DebugTools.Assert(_prototypeManager.HasIndex(CommonChannel));
+
         SubscribeLocalEvent<PrototypesReloadedEventArgs>(OnPrototypeReload);
         CacheRadios();
+        CacheEmotes();
     }
 
     protected virtual void OnPrototypeReload(PrototypesReloadedEventArgs obj)
     {
         if (obj.WasModified<RadioChannelPrototype>())
             CacheRadios();
+
+        if (obj.WasModified<EmotePrototype>())
+            CacheEmotes();
     }
 
     private void CacheRadios()
@@ -293,4 +310,31 @@ public abstract class SharedChatSystem : EntitySystem
         tagStart += tag.Length + 2;
         return rawmsg.Substring(tagStart, tagEnd - tagStart);
     }
+
+    protected virtual void SendEntityEmote(
+        EntityUid source,
+        string action,
+        ChatTransmitRange range,
+        string? nameOverride,
+        bool hideLog = false,
+        bool checkEmote = true,
+        bool ignoreActionBlocker = false,
+        NetUserId? author = null
+        )
+    { }
+}
+
+/// <summary>
+/// Controls transmission of chat.
+/// </summary>
+public enum ChatTransmitRange : byte
+{
+    /// Acts normal, ghosts can hear across the map, etc.
+    Normal,
+    /// Normal but ghosts are still range-limited.
+    GhostRangeLimit,
+    /// Hidden from the chat window.
+    HideChat,
+    /// Ghosts can't hear or see it at all. Regular players can if in-range.
+    NoGhosts
 }