def try_attack_target(self):
"""
Attacking loop
"""
if self._target is None:
return
if not self.attack_in_range():
destination = Annulus(self._target.position.center,
self._min_range, self._max_range)
not_possible_action = self.stop_attack
# if target passes near self, attack!
in_range_callback = self.try_attack_target
# if executes attack action try to move in 1 second
self._move_and_attack(destination, not_possible_action,
in_range_callback)
else:
if self.is_moving() and self._fireable:
# stop to shoot
self.stop()
# finish the move before removing the move tick
self._movement_finished()
# do not execute the next move tick
Scheduler().rem_call(self, self._move_tick)
distance = self.position.distance(self._target.position.center)
dest = self._target.position.center
if self._target.movable and self._target.is_moving():
dest = self._target._next_target
fireable_number = len(self._fireable)
self.fire_all_weapons(dest)
move_closer = False
# if no weapon was fired, because of holder positioned in dead range, move closer
if self._fired_weapons_number == 0 and fireable_number != 0:
# no weapon was fired but i could have fired weapons
# check if i have weapons that could be shot from this position
move_closer = True
distance = self.position.center.distance(
self._target.position.center)
for weapon in self._weapon_storage:
if weapon.check_target_in_range(distance):
move_closer = False
break
if move_closer:
destination = Annulus(self._target.position.center,
self._min_range, self._min_range)
self._move_and_attack(destination)
else:
Scheduler().add_new_object(self.try_attack_target, self,
GAME_SPEED.TICKS_PER_SECOND)
def act_idle(self): """ If an enemy unit approaches move away from it """ unit = self.get_approaching_unit() if unit: try: distance = unit._max_range + self.lookout_distance self.instance.move(Annulus(unit.position.center, distance, distance + 2)) self.state = 'flee' except MoveNotPossible: pass
def _get_annulus(cls, position, range, range_delta):
return Annulus(position, max(0, range - range_delta),
range + range_delta)