# This file is distributed under the terms of the GNU General Public license.
# Copyright (C) 1999 Aloril (See the file COPYING for details).

from common import log, const

import random

fertility_age = const.basic_tick * 30

# probablity that fire happens in basic_tick
fire_probability = 0.005


def does_it_happen(prob, tick_length=const.basic_tick):
    """calculate random number and see whether  """
    # return random.random()<prob*tick_length/const.day_in_seconds
    now = prob * tick_length / const.basic_tick
    rand = random.random()
    log.debug(3, "does_it_happen? " + str(rand) + " " + str(now))
    return rand < now