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