Changelog 2016-09-16 — Screeps: World Steam update #28487

Introduced new room safe mode mechanics. It will replace room novice walls protection, and allow to arbitrarily safeguard your rooms while you are offline. http://support.screeps.com/hc/user_images/QE1UgefawS00I28IF9qbEw.png Safe mode is enabled on the room controller when a new player spawns in the world initially. It also can be triggered by any player manually using either the StructureController.activateSafeMode() method, or the button in the controller UI. When activated, it blocks attack, rangedAttack, rangedMassAttack, dismantle, heal, rangedHeal, attackController and withdraw methods of all hostile creeps in the room. Only one room can be in safe mode at the same time. Safe mode period lasts for 20,000 ticks. It cannot be activated again during the 50,000 ticks cooldown period. But in Novice Areas, there is no cooldown at all. In order to activate safe mode you spend available ac...