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._outside_roach_pos = 0
  34         self._inventory_pos = 0
  35         self._inventory_item = None
  36         self._selected_seat = None
  37         self._roaches = self.actors.add_layer("roaches", level=10)
  38         self._inventory = self.actors.add_layer("inventory", level=10)
  39         self._pads = self.actors.add_layer("pads", level=5)
  40         self._seats = self.actors.add_layer("seats", level=5)
  41         self._buttons = self.actors.add_layer("buttons", level=6)
  42         self._init_pads()
  43         self._init_buttons()
  44         self._init_serums()
  45
  46     def enter(self, world):
  47         self._vehicle = Vehicle.by_type(world.vehicles.current)
  48         self._init_bg()
  49         self._init_seats()
  50         self._init_roaches(world.roaches)
  51         self._update_inventory(world)
  52
  53     def _init_bg(self):
  54         self.actors.default.add(self._vehicle.roach_management_overlay())
  55
  56     def _init_seats(self):
  57         for seat in self._vehicle.seats:
  58             seat_actor = self._seats.add(seat.actor())
  59             seat_actor.pos = (
  60                 seat.vehicle_pos[0] + VEHICLE_MID_X,
  61                 seat.vehicle_pos[1] + VEHICLE_MID_Y)
  62
  63     def _init_roaches(self, roaches):
  64         for i, roach in enumerate(roaches):
  65             roach_actor = self._roaches.add(big_roaches.assemble(roach))
  66             # TODO: less hacky seat assignment
  67             if i < len(self._seats):
  68                 roach_actor.pos = self._seats[i].pos
  69
  70     def _init_serums(self):
  71         self._serum_actors = {
  72             serum: big_serums.assemble(serum) for serum in SERUMS}
  73
  74     def _update_inventory(self, world):
  75         self._inventory.clear()
  76         serums = world.serums
  77         if not serums:
  78             return
  79         self._inventory_pos %= len(serums)
  80         serum_actor = self._serum_actors[serums[self._inventory_pos]]
  81         inv_pad_centre = self._inventory_pad.center
  82         serum_actor.pos = (
  83             inv_pad_centre[0] + SERUM_OFFSET[0],
  84             inv_pad_centre[1] + SERUM_OFFSET[1])
  85         self._inventory.add(serum_actor)
  86
  87     def _init_pads(self):
  88         self._roach_pad = self._pads.add(
  89             Actor("roach_management/roach_pad", anchor=("left", "bottom")))
  90         self._roach_pad.pos = (TOOLBAR_LEFT_X, TOOLBAR_MID_Y)
  91         self._inventory_pad = self._pads.add(
  92             Actor("roach_management/inventory_pad", anchor=("left", "top")))
  93         self._inventory_pad.pos = (TOOLBAR_LEFT_X, TOOLBAR_MID_Y)
  94
  95     def _add_button(self, name, anchor, inset, pos, action):
  96         button = self._buttons.add(
  97             ImageButton(name, anchor=anchor, action=action))
  98         button.pos = inset_button(pos, inset)
  99         return button
 100
 101     def _init_buttons(self):
 102         self._add_button(
 103             "roach_management/left_button", ("left", "bottom"), (1, -1),
 104             self._roach_pad.bottomleft, self._roach_left)
 105
 106         self._add_button(
 107             "roach_management/right_button", ("right", "bottom"), (-1, -1),
 108             self._roach_pad.bottomright, self._roach_right)
 109
 110         self._add_button(
 111             "roach_management/left_button", ("left", "bottom"), (1, -1),
 112             self._inventory_pad.bottomleft, self._inventory_left)
 113
 114         self._add_button(
 115             "roach_management/right_button", ("right", "bottom"), (-1, -1),
 116             self._inventory_pad.bottomright, self._inventory_right)
 117
 118         self._add_button(
 119             "roach_management/eject_button", ("right", "top"), (-1, 1),
 120             (TOOLBAR_LEFT_X, TOOLBAR_TOP_Y), self._eject_roach)
 121
 122     def _roach_left(self):
 123         self._outside_roach_pos -= 1
 124
 125     def _roach_right(self):
 126         self._outside_roach_pos += 1
 127
 128     def _inventory_left(self):
 129         self._inventory_pos -= 1
 130
 131     def _inventory_right(self):
 132         self._inventory_pos += 1
 133
 134     def _eject_roach(self):
 135         print("Eject roach.")
 136
 137     def update(self, world, dt):
 138         self._update_inventory(world)
 139
 140     def on_key_down(self, key, mod, unicode):
 141         if key == keys.ESCAPE:
 142             from .menu import MenuScene
 143             return [ChangeSceneEvent(MenuScene())]
 144
 145     def on_mouse_down(self, pos, button):
 146         if button == mouse.LEFT:
 147             for actor in self.actors.buttons:
 148                 if actor.collidepoint(pos):
 149                     actor.action()
 150                     break