koperkapel/scenes/roach_management.py

   1 """ Roach management scene. """
   2
   3 from pgzero.constants import keys, mouse
   4 from pgzero.actor import Actor
   5 from ..actors.buttons import ImageButton
   6 from ..constants import WIDTH, HEIGHT
   7 from ..roaches import big_roaches
   8 from ..serums import big_serums
   9 from ..vehicles.base import Vehicle
  10 from .base import Scene, ChangeSceneEvent
  11
  12
  13 TOOLBAR_LEFT_X = WIDTH * 3 // 4
  14 TOOLBAR_TOP_Y = 0
  15 TOOLBAR_MID_Y = HEIGHT * 1 // 2
  16 VEHICLE_MID_X = WIDTH * 3 // 8
  17 VEHICLE_MID_Y = HEIGHT * 1 // 2
  18 BUTTON_INSET = (20, 20)
  19
  20
  21 def inset_button(pos, d):
  22     return (
  23         pos[0] + d[0] * BUTTON_INSET[0],
  24         pos[1] + d[1] * BUTTON_INSET[1])
  25
  26
  27 class RoachesScene(Scene):
  28     """ Roach management scene. """
  29
  30     def __init__(self):
  31         super().__init__()
  32         self._outside_roach_pos = 0
  33         self._inventory_pos = 0
  34         self._roaches = self.actors.add_layer("roaches", level=10)
  35         self._serums = self.actors.add_layer("serums", level=10)
  36         self._pads = self.actors.add_layer("pads", level=5)
  37         self._seats = self.actors.add_layer("seats", level=5)
  38         self._buttons = self.actors.add_layer("buttons", level=6)
  39         self._init_pads()
  40         self._init_buttons()
  41
  42     def enter(self, world):
  43         self._vehicle = Vehicle.by_type(world.vehicles.current)
  44         self._init_bg()
  45         self._init_seats()
  46         self._init_roaches(world.roaches)
  47         self._update_serums(world.serums)
  48
  49     def _init_bg(self):
  50         self.actors.default.add(self._vehicle.background)
  51
  52     def _init_seats(self):
  53         vrad = self._vehicle.approximate_radius
  54         for seat in self._vehicle.seats:
  55             seat_actor = self._seats.add(seat.actor)
  56             seat_actor.pos = (
  57                 seat.pos[0] * vrad + VEHICLE_MID_X,
  58                 seat.pos[1] * vrad + VEHICLE_MID_Y)
  59
  60     def _init_roaches(self, roaches):
  61         for i, roach in enumerate(roaches):
  62             roach_actor = self._roaches.add(big_roaches.assemble(roach))
  63             # TODO: less hacky seat assignment
  64             if i < len(self._seats):
  65                 roach_actor.pos = self._seats[i].pos
  66
  67     def _update_serums(self, serums):
  68         self._serums.clear()
  69         if not serums:
  70             return
  71         self._inventory_pos %= len(serums)
  72         serum_actor = self._serums.add(
  73             big_serums.assemble(serums[self._inventory_pos]))
  74         serum_actor.pos = self._inventory_pad.center
  75
  76     def _init_pads(self):
  77         self._roach_pad = self._pads.add(
  78             Actor("roach_management/roach_pad", anchor=("left", "bottom")))
  79         self._roach_pad.pos = (TOOLBAR_LEFT_X, TOOLBAR_MID_Y)
  80         self._inventory_pad = self._pads.add(
  81             Actor("roach_management/inventory_pad", anchor=("left", "top")))
  82         self._inventory_pad.pos = (TOOLBAR_LEFT_X, TOOLBAR_MID_Y)
  83
  84     def _add_button(self, name, anchor, inset, pos, action):
  85         button = self._buttons.add(
  86             ImageButton(name, anchor=anchor, action=action))
  87         button.pos = inset_button(pos, inset)
  88         return button
  89
  90     def _init_buttons(self):
  91         self._add_button(
  92             "roach_management/left_button", ("left", "bottom"), (1, -1),
  93             self._roach_pad.bottomleft, self._roach_left)
  94
  95         self._add_button(
  96             "roach_management/right_button", ("right", "bottom"), (-1, -1),
  97             self._roach_pad.bottomright, self._roach_right)
  98
  99         self._add_button(
 100             "roach_management/left_button", ("left", "bottom"), (1, -1),
 101             self._inventory_pad.bottomleft, self._inventory_left)
 102
 103         self._add_button(
 104             "roach_management/right_button", ("right", "bottom"), (-1, -1),
 105             self._inventory_pad.bottomright, self._inventory_right)
 106
 107         self._add_button(
 108             "roach_management/eject_button", ("right", "top"), (-1, 1),
 109             (TOOLBAR_LEFT_X, TOOLBAR_TOP_Y), self._eject_roach)
 110
 111     def _roach_left(self):
 112         self._outside_roach_pos -= 1
 113
 114     def _roach_right(self):
 115         self._outside_roach_pos += 1
 116
 117     def _inventory_left(self):
 118         self._inventory_pos -= 1
 119
 120     def _inventory_right(self):
 121         self._inventory_pos += 1
 122
 123     def _eject_roach(self):
 124         print("Eject roach.")
 125
 126     def update(self, world, dt):
 127         self._update_serums(world.serums)
 128
 129     def on_key_down(self, key, mod, unicode):
 130         if key == keys.ESCAPE:
 131             from .menu import MenuScene
 132             return [ChangeSceneEvent(MenuScene())]
 133
 134     def on_mouse_down(self, pos, button):
 135         if button == mouse.LEFT:
 136             for actor in self.actors.buttons:
 137                 if actor.collidepoint(pos):
 138                     actor.action()
 139                     break