mock.py

class Game(object):
  def __init__(self):
		self.time = 0.0

		self.director = Director(self)
		self.players = []

		for i in range(4):
			self.players.append(Player(self))

	def on_damaged(self, x, y):
		if not (x.friendly and y.friendly):
			if x.friendly:
				x.increase_intensity(0.025)

			if y.friendly:
				y.increase_intensity(0.025)

			self.director.last_combat_time = self.time

class Player(object):
	friendly = True

	def __init__(self, game):
		self.game = game
		self.intensity = 0

	def increase_intesity(self, amount):
		self.intensity = max(0, min(1, self.intensity + amount))

BUILD_UP = 0
SUSTAIN_PEAK = 1
PEAK_FADE = 2
RELAX = 3
STATE_MODULO = 4

class Director(object):
	intensity_peak = 0.75
	combat_duration = 3

	def __init__(self, game):
		self.game = game
		self.state = BUILD_UP
		self.last_combat_time = -self.combat_duration

	def next_state(self):
		self.state += 1
		self.state %= STATE_MODULO

	@property
	def in_combat(self):
		delay = self.game.time - self.last_combat_time
		return delay < self.combat_duration