world.js

  
  // USERS
  world.changed.users.forEach(saveUser);
  world.changed.users = [];
  
  // TARGETS
  world.changed.targets.forEach(function(target){
    if (target.remove == true){
      deleteTarget(target);
    }
    else {
      saveTarget(target);
    }
  });
  world.changed.targets = [];
  
  // ROOMS
  world.changed.rooms.forEach(saveRoom);
  world.changed.rooms = []; // Cleanup.
  
  // MAPS
  world.changed.maps.forEach(saveMap);
  world.changed.maps = []; // Cleanup.