Reorganizes Project (#41)

Projects/Scripts/Engines/Chat/Chat.cs

@@ -0,0 +1,150 @@
+using System;
+using System.IO;
+using Server.Accounting;
+using Server.Misc;
+using Server.Network;
+
+namespace Server.Engines.Chat
+{
+  public class ChatSystem
+  {
+    public static bool Enabled{ get; set; } = true;
+
+    public static void Initialize()
+    {
+      PacketHandlers.Register(0xB5, 0x40, true, OpenChatWindowRequest);
+      PacketHandlers.Register(0xB3, 0, true, ChatAction);
+    }
+
+    public static void SendCommandTo(Mobile to, ChatCommand type, string param1 = null, string param2 = null)
+    {
+      to?.Send(new ChatMessagePacket(null, (int)type + 20, param1, param2));
+    }
+
+    public static void OpenChatWindowRequest(NetState state, PacketReader pvSrc)
+    {
+      Mobile from = state.Mobile;
+
+      if (!Enabled)
+      {
+        from.SendMessage("The chat system has been disabled.");
+        return;
+      }
+
+      pvSrc.Seek(2, SeekOrigin.Begin);
+      string chatName = pvSrc.ReadUnicodeStringSafe((0x40 - 2) >> 1).Trim();
+
+      Account acct = state.Account as Account;
+
+      string accountChatName = null;
+
+      if (acct != null)
+        accountChatName = acct.GetTag("ChatName");
+
+      accountChatName = accountChatName?.Trim();
+
+      if (!string.IsNullOrEmpty(accountChatName))
+      {
+        if (chatName.Length > 0 && chatName != accountChatName)
+          from.SendMessage("You cannot change chat nickname once it has been set.");
+      }
+      else
+      {
+        if (chatName.Length == 0)
+        {
+          SendCommandTo(from, ChatCommand.AskNewNickname);
+          return;
+        }
+
+        if (NameVerification.Validate(chatName, 2, 31, true, true, true, 0, NameVerification.SpaceDashPeriodQuote) &&
+            chatName.ToLower().IndexOf("system") == -1)
+        {
+          // TODO: Optimize this search
+
+          foreach (Account checkAccount in Accounts.GetAccounts())
+          {
+            string existingName = checkAccount.GetTag("ChatName");
+
+            if (existingName != null)
+            {
+              existingName = existingName.Trim();
+
+              if (Insensitive.Equals(existingName, chatName))
+              {
+                from.SendMessage("Nickname already in use.");
+                SendCommandTo(from, ChatCommand.AskNewNickname);
+                return;
+              }
+            }
+          }
+
+          accountChatName = chatName;
+
+          acct?.AddTag("ChatName", chatName);
+        }
+        else
+        {
+          from.SendLocalizedMessage(501173); // That name is disallowed.
+          SendCommandTo(from, ChatCommand.AskNewNickname);
+          return;
+        }
+      }
+
+      SendCommandTo(from, ChatCommand.OpenChatWindow, accountChatName);
+      ChatUser.AddChatUser(from);
+    }
+
+    public static ChatUser SearchForUser(ChatUser from, string name)
+    {
+      ChatUser user = ChatUser.GetChatUser(name);
+
+      if (user == null)
+        from.SendMessage(32, name); // There is no player named '%1'.
+
+      return user;
+    }
+
+    public static void ChatAction(NetState state, PacketReader pvSrc)
+    {
+      if (!Enabled)
+        return;
+
+      try
+      {
+        Mobile from = state.Mobile;
+        ChatUser user = ChatUser.GetChatUser(from);
+
+        if (user == null)
+          return;
+
+        string lang = pvSrc.ReadStringSafe(4);
+        int actionID = pvSrc.ReadInt16();
+        string param = pvSrc.ReadUnicodeString();
+
+        ChatActionHandler handler = ChatActionHandlers.GetHandler(actionID);
+
+        if (handler != null)
+        {
+          Channel channel = user.CurrentChannel;
+
+          if (handler.RequireConference && channel == null)
+            user.SendMessage(31); /* You must be in a conference to do this.
+												 * To join a conference, select one from the Conference menu.
+												 */
+          else if (handler.RequireModerator && !user.IsModerator)
+            user.SendMessage(29); // You must have operator status to do this.
+          else
+            handler.Callback(user, channel, param);
+        }
+        else
+        {
+          Console.WriteLine("Client: {0}: Unknown chat action 0x{1:X}: {2}", state, actionID, param);
+        }
+      }
+      catch (Exception e)
+      {
+        Console.WriteLine(e);
+      }
+    }
+  }
+}