Core/Creatures: Implemented UNIT_NPC_FLAG_GOSSIP as viewer dependent and update npcflags on quest changes

Port From (https://github.com/TrinityCore/TrinityCore/commit/dd15d763cc0529afc9b7f077817645d875608626)
2024-02-24 16:07:23 -05:00
parent 3eca0ad68c
commit fa5e0f0c14
6 changed files with 92 additions and 2 deletions
@@ -5490,6 +5490,35 @@ namespace Game.Entities
            return go;
        }

+        public void UpdateNearbyCreatureNpcFlags()
+        {
+            List<Creature> creatures = GetCreatureListWithOptionsInGrid(GetVisibilityRange(), new() { IgnorePhases = false });
+
+            UpdateData udata = new(GetMapId());
+            ObjectFieldData objMask = new();
+            UnitData unitMask = new();
+            for (int i = 0; i < m_unitData.NpcFlags.GetSize(); ++i)
+                unitMask.MarkChanged(m_unitData.NpcFlags, i);
+
+            foreach (Creature creature in creatures)
+            {
+                if (!HaveAtClient(creature))
+                    continue;
+
+                // skip creatures which dont have any npcflags set
+                if (creature.GetNpcFlags() == 0 && creature.GetNpcFlags2() == 0)
+                    continue;
+
+                creature.BuildValuesUpdateForPlayerWithMask(udata, objMask.GetUpdateMask(), unitMask.GetUpdateMask(), this);
+            }
+
+            if (!udata.HasData())
+                return;
+
+            udata.BuildPacket(out UpdateObject packet);
+            SendPacket(packet);
+        }
+
        public void SendInitialPacketsBeforeAddToMap()
        {
            if (!m_teleport_options.HasAnyFlag(TeleportToOptions.Seamless))