X-Git-Url: https://git.ctpug.org.za/?a=blobdiff_plain;f=koperkapel%2Fvehicles%2Fbase.py;h=3d7765c11f53094273bfc310b1f6816d118e956a;hb=ed7b7dbe49f3962132f0db806552a5873d6fc113;hp=27373a5f1eb881c658b2f00021d4e21e5482e65e;hpb=a3a4e8d31e4e44d4f245b4c2de9d32b37a530c5c;p=koperkapel.git diff --git a/koperkapel/vehicles/base.py b/koperkapel/vehicles/base.py index 27373a5..3d7765c 100644 --- a/koperkapel/vehicles/base.py +++ b/koperkapel/vehicles/base.py @@ -1,30 +1,109 @@ """ Base class for vehicles. """ +import math +import random +from itertools import chain, islice, repeat +from pygame.constants import BLEND_RGBA_MULT +from pgzero.loaders import images +from ..actors.orientatedsurf import OrientatedSurfActor +from ..actors.animsurf import AnimatedSurfActor +from ..weapons import default_weapons +from ..util import safepath + class Vehicle: - """ Vehicle base class. + """ Vehicle base class. """ - A vehicle should have the following attributes: + vehicle_type = None + overlay_frame_no = None + approximate_radius = 200 + weapons_taped_on = True + selected_seat_overlay_color = (255, 0, 0, 255) - * seats -- list of roach seats. - * background -- actor representing background for management scene - """ + def __init__(self): + self.seats = self.init_seats() + self.game_pos = (0, 0) - vehicle_types = {} - approximate_radius = 200 + def roach_management_overlay(self): + return images.load(safepath("vehicles/walking/background")) + + def roach_management_frame(self): + if self.overlay_frame_no is None: + return None + return images.load(safepath("vehicle_big/%s_%d") % ( + self.vehicle_type, self.overlay_frame_no)) + + 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] + + def changed(self): + return False # TODO: remove this + + _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)() + return cls._vehicle_types.get(vehicle_type)() @classmethod def register(cls, vehicle_cls): - cls.vehicle_types[vehicle_cls.__name__.lower()] = vehicle_cls + cls._vehicle_types[vehicle_cls.__name__.lower()] = vehicle_cls + + @classmethod + def random(cls): + return random.choice(list(cls._vehicle_types.keys())) @classmethod def register_all(cls): from .walking import Walking + from .quadcopter import Quadcopter + from .robot import Robot + from .roomba import Roomba cls.register(Walking) + cls.register(Quadcopter) + cls.register(Robot) + cls.register(Roomba) + + def _avatar_frame(self, i, weapon, suffix="_tiles"): + vehicle = images.load(safepath("vehicle%s/%s_%d") % ( + suffix, self.vehicle_type, i + 1)) + frame = vehicle.copy() + frame.blit(weapon.surf, (0, 0)) + return frame + + def get_avatar(self, world): + weapon = default_weapons.assemble( + world.weapons.current, tape=self.weapons_taped_on) + frames = [self._avatar_frame(i, weapon) for i in range(4)] + return AnimatedSurfActor(frames, anchor=(0, 0)) class Seat: @@ -33,13 +112,49 @@ class Seat: * pos -- (x, y) position of the seat relative to the centre of the vehicle. x and y may be numbers from approximately -1.0 to 1.0. They will be multiplied by the approximate_radius of the vehicle. + * roach -- name of the roach occupying the seat, if any. * allowed -- f(roach) for checking whether a roach may occupy the - seat + seat. """ - def __init__(self, pos, allowed=None): + def __init__(self, vehicle, pos, roach=None, allowed=None): + self.vehicle = vehicle self.pos = pos + self.roach = roach self.allowed = allowed or (lambda roach: True) + vrad = vehicle.approximate_radius + self.vehicle_pos = (pos[0] * vrad, pos[1] * vrad) + + def actor(self): + seat = images.load(safepath("vehicles/walking/seat")) + 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 + + +def circle_of_seats(n_seats, **kw): + d_theta = 2 * math.pi / n_seats + return [ + Seat(pos=(math.sin(i * d_theta), math.cos(i * d_theta)), **kw) + for i in range(n_seats)] Vehicle.register_all()