Add option for character name colors in chat & move coloration to clientside (#24625)

* Adds option to disable character names in chat/speechbubbles

* Moved the coloring of names to clientside

* Move string functions to SharedChatSystem to avoid duplicate code in SpeechBubble.cs

* Changed to be put under Accessibility section

* Cache CVar

Content.Client/UserInterface/Systems/Chat/ChatUIController.cs

@@ -15,10 +15,12 @@ using Content.Client.UserInterface.Systems.Gameplay;
 using Content.Shared.Administration;
 using Content.Shared.CCVar;
 using Content.Shared.Chat;
+using Content.Shared.Decals;
 using Content.Shared.Damage.ForceSay;
 using Content.Shared.Examine;
 using Content.Shared.Input;
 using Content.Shared.Radio;
+using Robust.Client.GameObjects;
 using Robust.Client.Graphics;
 using Robust.Client.Input;
 using Robust.Client.Player;
@@ -27,9 +29,11 @@ using Robust.Client.UserInterface;
 using Robust.Client.UserInterface.Controllers;
 using Robust.Client.UserInterface.Controls;
 using Robust.Shared.Configuration;
+using Robust.Shared.GameObjects.Components.Localization;
 using Robust.Shared.Input.Binding;
 using Robust.Shared.Map;
 using Robust.Shared.Network;
+using Robust.Shared.Prototypes;
 using Robust.Shared.Replays;
 using Robust.Shared.Timing;
 using Robust.Shared.Utility;
@@ -42,9 +46,11 @@ public sealed class ChatUIController : UIController
     [Dependency] private readonly IChatManager _manager = default!;
     [Dependency] private readonly IConfigurationManager _config = default!;
     [Dependency] private readonly IEyeManager _eye = default!;
+    [Dependency] private readonly IEntityManager _ent = default!;
     [Dependency] private readonly IInputManager _input = default!;
     [Dependency] private readonly IClientNetManager _net = default!;
     [Dependency] private readonly IPlayerManager _player = default!;
+    [Dependency] private readonly IPrototypeManager _prototypeManager = default!;
     [Dependency] private readonly IStateManager _state = default!;
     [Dependency] private readonly IGameTiming _timing = default!;
     [Dependency] private readonly IReplayRecordingManager _replayRecording = default!;
@@ -55,6 +61,11 @@ public sealed class ChatUIController : UIController
     [UISystemDependency] private readonly TypingIndicatorSystem? _typingIndicator = default;
     [UISystemDependency] private readonly ChatSystem? _chatSys = default;
 
+    [ValidatePrototypeId<ColorPalettePrototype>]
+    private const string ChatNamePalette = "ChatNames";
+    private string[] _chatNameColors = default!;
+    private bool _chatNameColorsEnabled;
+
     private ISawmill _sawmill = default!;
 
     public static readonly Dictionary<char, ChatSelectChannel> PrefixToChannel = new()
@@ -168,6 +179,8 @@ public sealed class ChatUIController : UIController
         _net.RegisterNetMessage<MsgChatMessage>(OnChatMessage);
         _net.RegisterNetMessage<MsgDeleteChatMessagesBy>(OnDeleteChatMessagesBy);
         SubscribeNetworkEvent<DamageForceSayEvent>(OnDamageForceSay);
+        _cfg.OnValueChanged(CCVars.ChatEnableColorName, (value) => { _chatNameColorsEnabled = value; });
+        _chatNameColorsEnabled = _cfg.GetCVar(CCVars.ChatEnableColorName);
 
         _speechBubbleRoot = new LayoutContainer();
 
@@ -212,6 +225,13 @@ public sealed class ChatUIController : UIController
         var gameplayStateLoad = UIManager.GetUIController<GameplayStateLoadController>();
         gameplayStateLoad.OnScreenLoad += OnScreenLoad;
         gameplayStateLoad.OnScreenUnload += OnScreenUnload;
+
+        var nameColors = _prototypeManager.Index<ColorPalettePrototype>(ChatNamePalette).Colors.Values.ToArray();
+        _chatNameColors = new string[nameColors.Length];
+        for (var i = 0; i < nameColors.Length; i++)
+        {
+            _chatNameColors[i] = nameColors[i].ToHex();
+        }
     }
 
     public void OnScreenLoad()
@@ -757,6 +777,14 @@ public sealed class ChatUIController : UIController
 
     public void ProcessChatMessage(ChatMessage msg, bool speechBubble = true)
     {
+        // color the name unless it's something like "the old man"
+        if ((msg.Channel == ChatChannel.Local || msg.Channel == ChatChannel.Whisper) && _chatNameColorsEnabled)
+        {
+            var grammar = _ent.GetComponentOrNull<GrammarComponent>(_ent.GetEntity(msg.SenderEntity));
+            if (grammar != null && grammar.ProperNoun == true)
+                msg.WrappedMessage = SharedChatSystem.InjectTagInsideTag(msg, "Name", "color", GetNameColor(SharedChatSystem.GetStringInsideTag(msg, "Name")));
+        }
+
         // Log all incoming chat to repopulate when filter is un-toggled
         if (!msg.HideChat)
         {
@@ -845,6 +873,17 @@ public sealed class ChatUIController : UIController
         }
     }
 
+    /// <summary>
+    /// Returns the chat name color for a mob
+    /// </summary>
+    /// <param name="name">Name of the mob</param>
+    /// <returns>Hex value of the color</returns>
+    public string GetNameColor(string name)
+    {
+        var colorIdx = Math.Abs(name.GetHashCode() % _chatNameColors.Length);
+        return _chatNameColors[colorIdx];
+    }
+
     private readonly record struct SpeechBubbleData(ChatMessage Message, SpeechBubble.SpeechType Type);
 
     private sealed class SpeechBubbleQueueData