Setting the active linkshell now works.

FFXIVClassic Map Server/FFXIVClassic Map Server.csproj

@@ -289,6 +289,7 @@
     <Compile Include="packets\WorldPackets\Send\Group\CreateLinkshellPacket.cs" />
     <Compile Include="packets\WorldPackets\Send\Group\DeleteLinkshellPacket.cs" />
     <Compile Include="packets\WorldPackets\Send\Group\LinkshellInviteCancelPacket.cs" />
+    <Compile Include="packets\WorldPackets\Send\Group\LinkshellChangePacket.cs" />
     <Compile Include="packets\WorldPackets\Send\Group\LinkshellRankChangePacket.cs" />
     <Compile Include="packets\WorldPackets\Send\Group\ModifyLinkshellPacket.cs" />
     <Compile Include="packets\WorldPackets\Send\Group\GroupInviteResultPacket.cs" />

FFXIVClassic Map Server/WorldManager.cs

@@ -708,6 +708,12 @@ namespace FFXIVClassic_Map_Server
             Server.GetWorldConnection().QueuePacket(packet, true, false);
         }
 
+        public void RequestWorldLinkshellChangeActive(Player player, string lsname)
+        {
+            SubPacket packet = LinkshellChangePacket.BuildPacket(player.playerSession, lsname);
+            Server.GetWorldConnection().QueuePacket(packet, true, false);
+        }
+
         private void RequestWorldServerZoneChange(Player player, uint destinationZoneId, byte spawnType, float spawnX, float spawnY, float spawnZ, float spawnRotation)
         {
             ZoneConnection zc = Server.GetWorldConnection();

FFXIVClassic Map Server/packets/WorldPackets/Send/Group/LinkshellChangePacket.cs

@@ -0,0 +1,30 @@
+using FFXIVClassic.Common;
+using FFXIVClassic_Map_Server.Actors;
+using FFXIVClassic_Map_Server.dataobjects;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace FFXIVClassic_Map_Server.packets.WorldPackets.Send.Group
+{
+    class LinkshellChangePacket
+    {
+        public const ushort OPCODE = 0x1028;
+        public const uint PACKET_SIZE = 0x48;
+
+        public static SubPacket BuildPacket(Session session, string lsName)
+        {
+            byte[] data = new byte[PACKET_SIZE - 0x20];
+            using (MemoryStream mem = new MemoryStream(data))
+            {
+                using (BinaryWriter binWriter = new BinaryWriter(mem))
+                {                    
+                    binWriter.Write(Encoding.ASCII.GetBytes(lsName), 0, Encoding.ASCII.GetByteCount(lsName) >= 0x20 ? 0x20 : Encoding.ASCII.GetByteCount(lsName));
+                }
+            }
+            return new SubPacket(true, OPCODE, session.id, session.id, data);
+        }
+
+    }
+}

FFXIVClassic World Server/DataObjects/Session.cs

@@ -1,4 +1,7 @@
-using FFXIVClassic_World_Server.Packets.Send.Subpackets;
+using FFXIVClassic.Common;
+using FFXIVClassic_World_Server.DataObjects.Group;
+using FFXIVClassic_World_Server.Packets.Send.Subpackets;
+using FFXIVClassic_World_Server.Packets.Send.Subpackets.Groups;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -16,7 +19,7 @@ namespace FFXIVClassic_World_Server.DataObjects
 
         public string characterName;
         public uint currentZoneId;
-        public uint activeLinkshellIndex = 0;
+        public string activeLinkshellName = "";
 
         public readonly ClientConnection clientConnection;
         public readonly Channel type;
@@ -65,5 +68,15 @@ namespace FFXIVClassic_World_Server.DataObjects
                 clientConnection.QueuePacket(GameMessagePacket.BuildPacket(0x5FF80001, sessionId, 0x5FF80001, textId, displayId, log, LuaUtils.CreateLuaParamList(msgParams)), true, false);
         }
 
+
+        public bool SetActiveLS(string name)
+        {
+            if (Database.SetActiveLS(this, name))
+            {
+                activeLinkshellName = name;
+                return true;
+            }
+            return false;
+        }
     }
 }

FFXIVClassic World Server/Database.cs

@@ -45,7 +45,7 @@ namespace FFXIVClassic_World_Server
 
         public static bool LoadZoneSessionInfo(Session session)
         {
-            string characterName;
+            string characterName, currentLinkshell;
             uint currentZone = 0;
             uint destinationZone = 0;
             bool readIn = false;
@@ -55,7 +55,7 @@ namespace FFXIVClassic_World_Server
                 try
                 {
                     conn.Open();
-                    MySqlCommand cmd = new MySqlCommand("SELECT name, currentZoneId, destinationZoneId FROM characters WHERE id = @charaId", conn);
+                    MySqlCommand cmd = new MySqlCommand("SELECT name, currentZoneId, destinationZoneId, currentActiveLinkshell FROM characters WHERE id = @charaId", conn);
                     cmd.Parameters.AddWithValue("@charaId", session.sessionId);
                     using (MySqlDataReader Reader = cmd.ExecuteReader())
                     {
@@ -64,9 +64,11 @@ namespace FFXIVClassic_World_Server
                             characterName = Reader.GetString("name");
                             currentZone = Reader.GetUInt32("currentZoneId");
                             destinationZone = Reader.GetUInt32("destinationZoneId");
+                            currentLinkshell = Reader.GetString("currentActiveLinkshell");
 
                             session.characterName = characterName;
                             session.currentZoneId = currentZone;
+                            session.activeLinkshellName = currentLinkshell;                            
 
                             readIn = true;
                         }
@@ -501,5 +503,31 @@ namespace FFXIVClassic_World_Server
             }
             return success;
         }
+
+        public static bool SetActiveLS(Session session, string name)
+        {
+            bool success = false;
+            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("UPDATE characters SET currentActiveLinkshell = @lsName WHERE id = @charaId", conn);
+                    cmd.Parameters.AddWithValue("@charaId", session.sessionId);
+                    cmd.Parameters.AddWithValue("@lsName", name);
+                    cmd.ExecuteNonQuery();
+                    success = true;
+                }
+                catch (MySqlException e)
+                {
+                    Program.Log.Error(e.ToString());
+                }
+                finally
+                {
+                    conn.Dispose();
+                }
+            }
+            return success;
+        }
     }
 }

FFXIVClassic World Server/FFXIVClassic World Server.csproj

@@ -112,6 +112,7 @@
     <Compile Include="Packets\Send\Subpackets\Groups\CreateNamedGroup.cs" />
     <Compile Include="Packets\Send\Subpackets\Groups\CreateNamedGroupMultiple.cs" />
     <Compile Include="Packets\Send\Subpackets\Groups\DeleteGroupPacket.cs" />
+    <Compile Include="Packets\Send\Subpackets\Groups\SetActiveLinkshellPacket.cs" />
     <Compile Include="Packets\Send\Subpackets\Groups\GroupHeaderPacket.cs" />
     <Compile Include="Packets\Send\Subpackets\Groups\GroupMember.cs" />
     <Compile Include="Packets\Send\Subpackets\Groups\GroupMembersBeginPacket.cs" />
@@ -128,12 +129,12 @@
     <Compile Include="Packets\WorldPackets\Receive\Group\GroupInviteResultPacket.cs" />
     <Compile Include="Packets\WorldPackets\Receive\Group\LinkshellInviteCancelPacket.cs" />
     <Compile Include="Packets\WorldPackets\Receive\Group\LinkshellInvitePacket.cs" />
+    <Compile Include="Packets\WorldPackets\Receive\Group\LinkshellChangePacket.cs" />
     <Compile Include="Packets\WorldPackets\Receive\Group\LinkshellRankChangePacket.cs" />
     <Compile Include="Packets\WorldPackets\Receive\Group\LinkshellLeavePacket.cs" />
     <Compile Include="Packets\WorldPackets\Receive\Group\PartyLeavePacket.cs" />
     <Compile Include="Packets\WorldPackets\Receive\Group\PartyInvitePacket.cs" />
     <Compile Include="Packets\WorldPackets\Receive\Group\PartyModifyPacket.cs" />
-    <Compile Include="Packets\WorldPackets\Receive\Group\SetActiveLinkshellPacket.cs" />
     <Compile Include="Packets\WorldPackets\Receive\Group\ModifyLinkshellPacket.cs" />
     <Compile Include="Packets\WorldPackets\Receive\Group\CreateRelationPacket.cs" />
     <Compile Include="Packets\WorldPackets\Receive\Group\CreateLinkshellPacket.cs" />

FFXIVClassic World Server/Packets/Send/Subpackets/Groups/SetActiveLinkshellPacket.cs

@@ -0,0 +1,42 @@
+using FFXIVClassic.Common;
+using FFXIVClassic_World_Server.DataObjects.Group;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FFXIVClassic_World_Server.Packets.Send.Subpackets.Groups
+{
+    class SetActiveLinkshellPacket
+    {
+      
+        public const ushort OPCODE = 0x018A;
+        public const uint PACKET_SIZE = 0x98;
+
+        public static SubPacket BuildPacket(uint sessionId, ulong groupId)
+        {
+            byte[] data = new byte[PACKET_SIZE - 0x20];
+
+            using (MemoryStream mem = new MemoryStream(data))
+            {
+                using (BinaryWriter binWriter = new BinaryWriter(mem))
+                {
+                    //Write the LS groupId
+                    binWriter.Write((UInt64)groupId);
+                    
+                    //Write the LS group type
+                    binWriter.Seek(0x40, SeekOrigin.Begin);
+                    binWriter.Write((UInt32)Group.CompanyGroup);
+
+                    //Seems to be a index but can only set one active so /shrug
+                    binWriter.Seek(0x60, SeekOrigin.Begin);
+                    binWriter.Write((UInt32)(groupId == 0 ? 0 : 1));
+                }
+            }
+
+            return new SubPacket(OPCODE, sessionId, sessionId, data);
+        }
+    }
+}

FFXIVClassic World Server/Packets/WorldPackets/Receive/Group/LinkshellChangePacket.cs

@@ -5,13 +5,13 @@ using System.Text;
 
 namespace FFXIVClassic_World_Server.Packets.WorldPackets.Receive.Group
 {
-    class SetActiveLinkshellPacket
+    class LinkshellChangePacket
     {
         public bool invalidPacket = false;
                 
-        public string name;
+        public string lsName;
 
-        public SetActiveLinkshellPacket(byte[] data)
+        public LinkshellChangePacket(byte[] data)
         {
             using (MemoryStream mem = new MemoryStream(data))
             {
@@ -19,7 +19,7 @@ namespace FFXIVClassic_World_Server.Packets.WorldPackets.Receive.Group
                 {
                     try
                     {
-                        name = Encoding.ASCII.GetString(binReader.ReadBytes(0x20)).Trim(new[] { '\0' });
+                        lsName = Encoding.ASCII.GetString(binReader.ReadBytes(0x20)).Trim(new[] { '\0' });
                     }
                     catch (Exception)
                     {

FFXIVClassic World Server/Server.cs

@@ -302,8 +302,8 @@ namespace FFXIVClassic_World_Server
                         break;
                     //Linkshell set active
                     case 0x1028:
-                        SetActiveLinkshellPacket setActiveLinkshellPacket = new SetActiveLinkshellPacket(subpacket.data);
+                        LinkshellChangePacket linkshellChangePacket = new LinkshellChangePacket(subpacket.data);
-                        //Linkshell ls = mWorldManager.GetLinkshellManager().GetLinkshell();
+                        mWorldManager.ProcessLinkshellSetActive(GetSession(subpacket.header.sourceId), linkshellChangePacket.lsName);
                         break;
                     //Linkshell invite member
                     case 0x1029:

FFXIVClassic World Server/WorldMaster.cs

@@ -220,6 +220,24 @@ namespace FFXIVClassic_World_Server
             List<Linkshell> linkshells = mLinkshellManager.GetPlayerLinkshellMembership(session.sessionId);
             foreach (Linkshell ls in linkshells)
                 ls.SendGroupPackets(session);
+
+            //Reset to blank if in unknown state
+            ulong activeGroupIndex = 0;
+            if (!session.activeLinkshellName.Equals(""))
+            {
+                Linkshell activeLs = mLinkshellManager.GetLinkshell(session.activeLinkshellName);
+                if (activeLs != null && activeLs.HasMember(session.sessionId))
+                {
+                    activeGroupIndex = activeLs.groupIndex;
+                }
+                else
+                {
+                    session.activeLinkshellName = "";
+                    Database.SetActiveLS(session, "");
+                }
+            }
+            SubPacket activeLsPacket = SetActiveLinkshellPacket.BuildPacket(session.sessionId, activeGroupIndex);
+            session.clientConnection.QueuePacket(activeLsPacket, true, false);
         }
 
         private void SendMotD(Session session)
@@ -408,6 +426,34 @@ namespace FFXIVClassic_World_Server
             relation.SendDeletePackets(inviterSession.sessionId, inviteeSession.sessionId);
         }
 
+        public void ProcessLinkshellSetActive(Session requestSession, string lsName)
+        {
+            //Deactivate all
+            if (lsName.Equals(""))
+            {
+                requestSession.SetActiveLS(lsName);
+                SubPacket activeLsPacket = SetActiveLinkshellPacket.BuildPacket(requestSession.sessionId, 0);
+                requestSession.clientConnection.QueuePacket(activeLsPacket, true, false);
+                requestSession.SendGameMessage(25132, 0x20, (object)1);
+            }
+            else
+            {
+                Linkshell ls = mLinkshellManager.GetLinkshell(lsName);
+
+                if (ls == null || !ls.HasMember(requestSession.sessionId))
+                {
+                    requestSession.SendGameMessage(25167, 0x20, (object)1, (object)lsName);
+                }                
+                else
+                {
+                    requestSession.SetActiveLS(lsName);
+                    SubPacket activeLsPacket = SetActiveLinkshellPacket.BuildPacket(requestSession.sessionId, ls.groupIndex);
+                    requestSession.clientConnection.QueuePacket(activeLsPacket, true, false);
+                    requestSession.SendGameMessage(25131, 0x20, (object)1, (object)lsName);                    
+                }
+            }
+        }
+
         public void IncrementGroupIndex()
         {
             mRunningGroupIndex++;

data/scripts/commands/LinkshellChangeCommand.lua

@@ -0,0 +1,15 @@
+--[[
+
+LinkshellChangeCommand Script
+
+--]]
+
+function onEventStarted(player, actor, triggerName, linkshellName, arg1, arg2)
+
+	if (linkshellName == nil) then
+		linkshellName = "";
+	end
+	GetWorldManager():RequestWorldLinkshellChangeActive(player, linkshellName);	
+	player:EndEvent();
+	
+end