Core/Creature: Implement CREATURE_FLAG_EXTRA_IGNORE_PATHFINDING

src/server/game/Movement/PathGenerator.cpp

@@ -76,6 +76,7 @@ bool PathGenerator::CalculatePath(float destX, float destY, float destZ, bool fo
     // make sure navMesh works - we can run on map w/o mmap
     // check if the start and end point have a .mmtile loaded (can we pass via not loaded tile on the way?)
     if (!_navMesh || !_navMeshQuery || _sourceUnit->HasUnitState(UNIT_STATE_IGNORE_PATHFINDING) ||
+        (_sourceUnit->GetTypeId() == TYPEID_UNIT && _sourceUnit->ToCreature()->GetCreatureTemplate()->flags_extra & CREATURE_FLAG_EXTRA_IGNORE_PATHFINDING) ||
         !HaveTile(start) || !HaveTile(dest))
     {
         BuildShortcut();