Built subpackets to let the zone servers talk to the world server. Implemented cross-server zoning but the E2 packet or something isn't being sent.

FFXIVClassic World Server/Database.cs

@@ -0,0 +1,53 @@
+using MySql.Data.MySqlClient;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FFXIVClassic_World_Server
+{
+    class Database
+    {
+        public static uint GetCurrentZoneForSession(uint charId)
+        {
+            uint currentZone = 0;
+            uint destinationZone = 0;
+
+            using (MySqlConnection conn = new MySqlConnection(String.Format("Server={0}; Port={1}; Database={2}; UID={3}; Password={4}", ConfigConstants.DATABASE_HOST, ConfigConstants.DATABASE_PORT, ConfigConstants.DATABASE_NAME, ConfigConstants.DATABASE_USERNAME, ConfigConstants.DATABASE_PASSWORD)))
+            {
+                try
+                {
+                    conn.Open();
+                    MySqlCommand cmd = new MySqlCommand("SELECT currentZoneId, destinationZoneId FROM characters WHERE id = @charaId", conn);
+                    cmd.Parameters.AddWithValue("@charaId", charId);
+                    using (MySqlDataReader Reader = cmd.ExecuteReader())
+                    {
+                        while (Reader.Read())
+                        {
+                            currentZone = Reader.GetUInt32("currentZoneId");
+                            destinationZone = Reader.GetUInt32("destinationZoneId");
+                        }
+                    }
+                }
+                catch (MySqlException e)
+                {
+                    Program.Log.Error(e.ToString());
+                }
+                finally
+                {
+                    conn.Dispose();
+                }
+            }
+
+            if (currentZone == 0 && destinationZone != 0)
+                return destinationZone;
+            if (currentZone != 0 && destinationZone == 0)
+                return currentZone;
+            else
+            {
+                return 0;
+            }
+        }
+    }
+}