""" Base class for vehicles. """
+from itertools import chain, islice, repeat
+from pygame.constants import BLEND_RGBA_MULT
from pgzero.actor import Actor
+from pgzero.loaders import images
+from ..actors.orientatedsurf import OrientatedSurfActor
class Vehicle:
vehicle_type = None
approximate_radius = 200
+ selected_seat_overlay_color = (255, 0, 0, 255)
def __init__(self):
self.seats = self.init_seats()
+ self.game_pos = (0, 0)
def roach_management_overlay(self):
return Actor("vehicles/%s/background" % (self.vehicle_type,))
def init_seats(self):
raise NotImplementedError("Vehicles should specify a list of seats")
+ def seating(self, world):
+ roach_seating = world.vehicles[self.vehicle_type].seating
+ roach_seating_numbers = enumerate(zip(roach_seating, self.seats))
+ return {
+ roach: seat_pos
+ for seat_pos, (roach, _) in roach_seating_numbers if roach
+ }
+
+ def seat_roach(self, world, roach, seat_pos):
+ vehicle = world.vehicles[self.vehicle_type]
+ seats = len(self.seats)
+ seating = list(vehicle.seating)
+ seating = list(islice(
+ chain(seating, repeat(None, seats)), 0, seats))
+ seating[seat_pos] = roach
+ # line below records new seating on the world proxy
+ vehicle.seating = seating
+
+ def roach_at(self, world, seat_pos):
+ roach_seating = world.vehicles[self.vehicle_type].seating
+ if seat_pos >= len(roach_seating):
+ return None
+ return roach_seating[seat_pos]
+
_vehicle_types = {}
+ @classmethod
+ def current(cls, world):
+ return cls.by_type(world.vehicles.current)
+
@classmethod
def by_type(cls, vehicle_type):
return cls._vehicle_types.get(vehicle_type)()
from .walking import Walking
cls.register(Walking)
+ def get_avatar(self, world):
+ raise NotImplementedError("Vehicles should know how to create their own avatars.")
+
class Seat:
""" A space in a vehicle for a roach.
self.vehicle_pos = (pos[0] * vrad, pos[1] * vrad)
def actor(self):
- return Actor("vehicles/%s/seat" % (self.vehicle.vehicle_type,))
+ seat = images.load(
+ "vehicles/%s/seat" % (self.vehicle.vehicle_type,))
+ selected_seat = seat.copy()
+ selected_seat.fill(
+ self.vehicle.selected_seat_overlay_color, None, BLEND_RGBA_MULT)
+ return SeatActor(seat, selected_seat)
+
+
+class SeatActor(OrientatedSurfActor):
+ def __init__(self, seat, selected_seat):
+ self._selected = False
+ self._seat = seat
+ self._selected_seat = selected_seat
+ super().__init__(surf=self._seat, angle=0)
+
+ @property
+ def selected(self):
+ return self._selected
+
+ @selected.setter
+ def selected(self, value):
+ self._selected = value
+ self.surf = self._selected_seat if value else self._seat
Vehicle.register_all()