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
  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._vehicle = None
  34         self._seat_pos = None
  35         self._outside_roach_pos = 0
  36         self._inventory_pos = 0
  37         self._inventory_item = None
  38         self._roach_layer = self.actors.add_layer("roaches", level=10)
  39         self._inventory_layer = self.actors.add_layer("inventory", level=10)
  40         self._pad_layer = self.actors.add_layer("pads", level=5)
  41         self._seat_layer = self.actors.add_layer("seats", level=5)
  42         self._button_layer = self.actors.add_layer("buttons", level=6)
  43         self._init_pads()
  44         self._init_buttons()
  45         self._init_serums()
  46
  47     def enter(self, world):
  48         self._vehicle = Vehicle.by_type(world.vehicles.current)
  49         self._init_bg()
  50         self._init_seats()
  51         self._init_roaches(world.roaches)
  52         self._update_inventory(world)
  53
  54     def _init_bg(self):
  55         self.actors.default.clear()
  56         self.actors.default.add(self._vehicle.roach_management_overlay())
  57
  58     def _init_seats(self):
  59         self._seat_layer.clear()
  60         for seat in self._vehicle.seats:
  61             seat_actor = self._seat_layer.add(seat.actor())
  62             seat_actor.pos = (
  63                 seat.vehicle_pos[0] + VEHICLE_MID_X,
  64                 seat.vehicle_pos[1] + VEHICLE_MID_Y)
  65
  66     def _init_roaches(self, roaches):
  67         self._roach_layer.clear()
  68         for i, roach in enumerate(roaches):
  69             roach_actor = self._roach_layer.add(big_roaches.assemble(roach))
  70             # TODO: less hacky seat assignment
  71             if i < len(self._seat_layer):
  72                 roach_actor.pos = self._seat_layer[i].pos
  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 _init_pads(self):
  92         self._roach_pad = self._pad_layer.add(
  93             Actor("roach_management/roach_pad", anchor=("left", "bottom")))
  94         self._roach_pad.pos = (TOOLBAR_LEFT_X, TOOLBAR_MID_Y)
  95         self._inventory_pad = self._pad_layer.add(
  96             Actor("roach_management/inventory_pad", anchor=("left", "top")))
  97         self._inventory_pad.pos = (TOOLBAR_LEFT_X, TOOLBAR_MID_Y)
  98
  99     def _add_button(self, name, anchor, inset, pos, action):
 100         button = self._button_layer.add(
 101             ImageButton(name, anchor=anchor, action=action))
 102         button.pos = inset_button(pos, inset)
 103         return button
 104
 105     def _init_buttons(self):
 106         self._button_layer.clear()
 107         self._add_button(
 108             "roach_management/left_button", ("left", "bottom"), (1, -1),
 109             self._roach_pad.bottomleft, self._roach_left)
 110
 111         self._add_button(
 112             "roach_management/right_button", ("right", "bottom"), (-1, -1),
 113             self._roach_pad.bottomright, self._roach_right)
 114
 115         self._add_button(
 116             "roach_management/left_button", ("left", "bottom"), (1, -1),
 117             self._inventory_pad.bottomleft, self._inventory_left)
 118
 119         self._add_button(
 120             "roach_management/right_button", ("right", "bottom"), (-1, -1),
 121             self._inventory_pad.bottomright, self._inventory_right)
 122
 123         self._add_button(
 124             "roach_management/eject_button", ("right", "top"), (-1, 1),
 125             (TOOLBAR_LEFT_X, TOOLBAR_TOP_Y), self._eject_roach)
 126
 127     def _roach_left(self):
 128         self._outside_roach_pos -= 1
 129
 130     def _roach_right(self):
 131         self._outside_roach_pos += 1
 132
 133     def _inventory_left(self):
 134         self._inventory_pos -= 1
 135
 136     def _inventory_right(self):
 137         self._inventory_pos += 1
 138
 139     def _eject_roach(self):
 140         print("Eject roach.")
 141
 142     def update(self, world, dt):
 143         self._update_inventory(world)
 144
 145     def on_key_down(self, key, mod, unicode):
 146         if key == keys.ESCAPE:
 147             from .menu import MenuScene
 148             return [ChangeSceneEvent(MenuScene())]
 149
 150     def on_mouse_down(self, pos, button):
 151         if button == mouse.LEFT:
 152             for actor in self.actors.buttons:
 153                 if actor.collidepoint(pos):
 154                     actor.action()
 155                     break