def enter(self, last_state):
self.enter_timer.begin(gauss(self.ai.STAY_TIME_MU, self.ai.STAY_TIME_SIGMA))
# turn for a random direction if the last state is the same "stay"
if last_state and last_state.id == cfg.SpriteState.STAY \
and happen(self.ai.STAY_CHANGE_DIRECTION_PROB):
self.sprite.direction = choice(cfg.Direction.ALL) # a random direction from "all"
if happen(self.ai.EMOTION_SILENT_PROB):
self.sprite.set_emotion(cfg.SpriteEmotion.SILENT)
def check_conditions(self):
sp = self.sprite
if self.enter_timer.exceed():
if happen(self.ai.DEFENCE_TO_OFFENCE_PROB) and sp.attacker.chance(sp.brain.target):
return cfg.SpriteState.OFFENCE
distance_to_target = sp.pos.get_distance_to(sp.brain.target.pos)
if happen(self.ai.DEFENCE_TO_CHASE_PROB) and distance_to_target <= self.ai.CHASE_RANGE :
return cfg.SpriteState.CHASE
if distance_to_target > self.ai.CHASE_RANGE:
sp.brain.target = None
return cfg.SpriteState.STAY
return cfg.SpriteState.DEFENCE
else:
sp.direction = cal_face_direct(sp.pos.as_tuple(), sp.brain.target.pos.as_tuple())
def check_conditions(self):
sp = self.sprite
if sp.brain.target is not None:
sp.set_emotion(cfg.SpriteEmotion.ALERT)
# discover a target
if happen(self.ai.STAY_TO_OFFENCE_PROB) and sp.attacker.chance(sp.brain.target):
#print "to attack"
return cfg.SpriteState.OFFENCE
if happen(self.ai.STAY_TO_CHASE_PROB):
return cfg.SpriteState.CHASE
return cfg.SpriteState.DEFENCE
if self.enter_timer.exceed():
if happen(self.ai.STAY_TO_PATROL_PROB):
#print "stay to patrol"
return cfg.SpriteState.PATROL
else:
return cfg.SpriteState.STAY
def check_conditions(self):
sp = self.sprite
if sp.brain.persistent:
return
if sp.attacker.chance(sp.brain.target):
return cfg.SpriteState.OFFENCE
if happen(self.ai.OFFENCE_TO_CHASE_PROB):
return cfg.SpriteState.CHASE
return cfg.SpriteState.DEFENCE
def check_conditions(self):
sp = self.sprite
if happen(self.ai.CHASE_TO_OFFENCE_PROB) and sp.attacker.chance(sp.brain.target):
#print "to attack"
return cfg.SpriteState.OFFENCE
if (not self.steerer.is_ok) or happen(self.ai.CHASE_TO_DEFENCE_PROB):
return cfg.SpriteState.DEFENCE
distance_to_target = sp.pos.get_distance_to(sp.brain.target.pos)
if distance_to_target <= self.ai.CHASE_RANGE:
target_move = sp.brain.destination.get_distance_to(sp.brain.target.pos)
if target_move > self.target_move_threshold or self.steerer.is_end:
#print "chase to chase"
return cfg.SpriteState.CHASE
else:
# lose target
#print "lose target"
sp.brain.target = None
sp.set_emotion(cfg.SpriteEmotion.CHAOS)
return cfg.SpriteState.STAY
def check_conditions(self):
sp = self.sprite
if sp.brain.target is not None:
sp.set_emotion(cfg.SpriteEmotion.ALERT)
if sp.attacker.chance(sp.brain.target):
#print "patrol to attack"
return cfg.SpriteState.OFFENCE
if happen(self.ai.PATROL_TO_CHASE_PROB):
#print "patrol to chase"
return cfg.SpriteState.CHASE
return cfg.SpriteState.DEFENCE
if sp.brain.interrupt:
sp.brain.interrupt = False
return cfg.SpriteState.STAY
if self.enter_timer.exceed():
return cfg.SpriteState.STAY