def __init__(self, params, logger):
# All the parameters for this execution of the simulation
self.parameters = params
# A logger to log important events to
self.logger = logger
# The current day
self.day = 0
# Managed by heap methods: heappush, etc.
self.queue = []
# To loop up events for removal
self.event_index = {}
# To create unique event handles for possible removal
self.next_event_id = 1
# Make empty rooms
self.rooms = Room.CreateEmptyRooms(self)
