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, 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 ROACH_PAD_OFFSET = (0, 20)
  21
  22
  23 def inset_button(pos, d):
  24     return (
  25         pos[0] + d[0] * BUTTON_INSET[0],
  26         pos[1] + d[1] * BUTTON_INSET[1])
  27
  28
  29 class RoachesScene(Scene):
  30     """ Roach management scene. """
  31
  32     def __init__(self):
  33         super().__init__()
  34         self._vehicle = None
  35         self._seat_pos = 0
  36         self._outside_roach = None
  37         self._outside_roach_pos = 0
  38         self._inventory_pos = 0
  39         self._inventory_item = None
  40         self._roach_layer = self.actors.add_layer("roaches", level=10)
  41         self._inventory_layer = self.actors.add_layer("inventory", level=10)
  42         self._pad_layer = self.actors.add_layer("pads", level=5)
  43         self._seat_layer = self.actors.add_layer("seats", level=5)
  44         self._button_layer = self.actors.add_layer("buttons", level=6)
  45         self._init_pads()
  46         self._init_buttons()
  47         self._init_serums()
  48
  49     def enter(self, world):
  50         self._vehicle = Vehicle.current(world)
  51         self._init_bg()
  52         self._init_seats()
  53         self._init_roaches(world)
  54         self._update_inventory(world)
  55
  56     def _init_bg(self):
  57         self.actors.default.clear()
  58         self.actors.default.add(self._vehicle.roach_management_overlay())
  59
  60     def _init_seats(self):
  61         self._seat_layer.clear()
  62         for seat in self._vehicle.seats:
  63             seat_actor = self._seat_layer.add(seat.actor())
  64             seat_actor.pos = (
  65                 seat.vehicle_pos[0] + VEHICLE_MID_X,
  66                 seat.vehicle_pos[1] + VEHICLE_MID_Y)
  67         self._seat_layer[self._seat_pos].selected = True
  68
  69     def _init_roaches(self, world):
  70         self._roach_actors = {}
  71         for roach in world.roaches:
  72             self._roach_actors[roach.name] = big_roaches.assemble(roach)
  73
  74     def _init_serums(self):
  75         self._serum_actors = {
  76             serum: big_serums.assemble(serum) for serum in SERUMS}
  77
  78     def _update_inventory(self, world):
  79         self._inventory_layer.clear()
  80         serums = world.serums
  81         if not serums:
  82             return
  83         self._inventory_pos %= len(serums)
  84         serum_actor = self._serum_actors[serums[self._inventory_pos]]
  85         inv_pad_centre = self._inventory_pad.center
  86         serum_actor.pos = (
  87             inv_pad_centre[0] + SERUM_OFFSET[0],
  88             inv_pad_centre[1] + SERUM_OFFSET[1])
  89         self._inventory_layer.add(serum_actor)
  90
  91     def _update_roaches(self, world):
  92         self._roach_layer.clear()
  93         seating = self._vehicle.seating(world)
  94         outside_roaches = []
  95         for roach in world.roaches:
  96             seat_pos = seating.get(roach.name)
  97             if seat_pos is not None:
  98                 roach_actor = self._roach_actors[roach.name]
  99                 roach_actor.pos = self._seat_layer[seat_pos].pos
 100                 self._roach_layer.add(roach_actor)
 101             else:
 102                 outside_roaches.append(roach.name)
 103         self._outside_roach_pos %= len(outside_roaches)
 104         if outside_roaches:
 105             roach_actor = self._roach_actors[
 106                 outside_roaches[self._outside_roach_pos]]
 107             roach_pad_center = self._roach_pad.center
 108             roach_actor.pos = (
 109                 roach_pad_center[0] + ROACH_PAD_OFFSET[0],
 110                 roach_pad_center[1] + ROACH_PAD_OFFSET[1])
 111             self._roach_layer.add(roach_actor)
 112
 113     def _init_pads(self):
 114         self._roach_pad = self._pad_layer.add(
 115             Actor("roach_management/roach_pad", anchor=("left", "bottom")))
 116         self._roach_pad.pos = (TOOLBAR_LEFT_X, TOOLBAR_MID_Y)
 117         self._inventory_pad = self._pad_layer.add(
 118             Actor("roach_management/inventory_pad", anchor=("left", "top")))
 119         self._inventory_pad.pos = (TOOLBAR_LEFT_X, TOOLBAR_MID_Y)
 120
 121     def _add_button(self, name, anchor, inset, pos, action):
 122         button = self._button_layer.add(
 123             ImageButton(name, anchor=anchor, action=action))
 124         button.pos = inset_button(pos, inset)
 125         return button
 126
 127     def _init_buttons(self):
 128         self._button_layer.clear()
 129         self._add_button(
 130             "roach_management/left_button", ("left", "bottom"), (1, -1),
 131             self._roach_pad.bottomleft, self._roach_left)
 132
 133         self._add_button(
 134             "roach_management/right_button", ("right", "bottom"), (-1, -1),
 135             self._roach_pad.bottomright, self._roach_right)
 136
 137         self._add_button(
 138             "roach_management/left_button", ("left", "bottom"), (1, -1),
 139             self._inventory_pad.bottomleft, self._inventory_left)
 140
 141         self._add_button(
 142             "roach_management/right_button", ("right", "bottom"), (-1, -1),
 143             self._inventory_pad.bottomright, self._inventory_right)
 144
 145         self._add_button(
 146             "roach_management/eject_button", ("right", "top"), (-1, 1),
 147             (TOOLBAR_LEFT_X, TOOLBAR_TOP_Y), self._eject_roach)
 148
 149     def _roach_left(self):
 150         self._outside_roach_pos -= 1
 151
 152     def _roach_right(self):
 153         self._outside_roach_pos += 1
 154
 155     def _inventory_left(self):
 156         self._inventory_pos -= 1
 157
 158     def _inventory_right(self):
 159         self._inventory_pos += 1
 160
 161     def _select_seat(self, seat_pos):
 162         self._seat_layer[self._seat_pos].selected = False
 163         self._seat_pos = seat_pos
 164         self._seat_layer[self._seat_pos].selected = True
 165
 166     def _eject_roach(self):
 167         print("Eject roach.")
 168
 169     def update(self, world, dt):
 170         self._update_inventory(world)
 171         self._update_roaches(world)
 172
 173     def on_key_down(self, key, mod, unicode):
 174         if key == keys.ESCAPE:
 175             from .menu import MenuScene
 176             return [ChangeSceneEvent(MenuScene())]
 177
 178     def on_mouse_down(self, pos, button):
 179         if button == mouse.LEFT:
 180             for actor in self.actors.buttons:
 181                 if actor.collidepoint(pos):
 182                     return actor.action()
 183             for i, actor in enumerate(self.actors.seats):
 184                 if actor.collidepoint(pos):
 185                     return self._select_seat(i)