Extended "Group" and created all the subgroups to cleanup code as well as make setting "work" values easier.

FFXIVClassic Map Server/actors/group/PartyGroup.cs

@@ -0,0 +1,24 @@
+using FFXIVClassic_Map_Server.actors.group.work;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FFXIVClassic_Map_Server.actors.group
+{
+    class PartyGroup : Group
+    {
+        private PartyWork partyWork;
+
+        public PartyGroup(ulong id) : base(id, Group.PlayerPartyGroup, null)
+        {
+            partyWork = new PartyWork();            
+        }
+
+        public void setPartyOwner(uint actorId)
+        {
+            partyWork._globalTemp.owner = (ulong)((0xB36F92 << 8) | actorId);
+        }
+    }
+}