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, roach_by_name
   8 from ..serums import big_serums, roach_is_serumless, 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._update_calls = []
  52         self._init_bg()
  53         self._init_seats()
  54         self._init_roaches(world)
  55         self._update_inventory(world)
  56
  57     def _init_bg(self):
  58         self.actors.default.clear()
  59         self.actors.default.add(self._vehicle.roach_management_overlay())
  60
  61     def _init_seats(self):
  62         self._seat_layer.clear()
  63         for seat in self._vehicle.seats:
  64             seat_actor = self._seat_layer.add(seat.actor())
  65             seat_actor.pos = (
  66                 seat.vehicle_pos[0] + VEHICLE_MID_X,
  67                 seat.vehicle_pos[1] + VEHICLE_MID_Y)
  68         self._seat_layer[self._seat_pos].selected = True
  69
  70     def _init_roaches(self, world):
  71         self._roach_actors = {}
  72         for roach in world.roaches:
  73             self._roach_actors[roach.name] = big_roaches.assemble(roach)
  74
  75     def _init_serums(self):
  76         self._serum_actors = {
  77             serum: big_serums.assemble(serum) for serum in SERUMS}
  78
  79     def _update_inventory(self, world):
  80         self._inventory_layer.clear()
  81         serums = world.serums
  82         if not serums:
  83             return
  84         self._inventory_pos %= len(serums)
  85         serum_actor = self._serum_actors[serums[self._inventory_pos]]
  86         inv_pad_centre = self._inventory_pad.center
  87         serum_actor.pos = (
  88             inv_pad_centre[0] + SERUM_OFFSET[0],
  89             inv_pad_centre[1] + SERUM_OFFSET[1])
  90         self._inventory_layer.add(serum_actor)
  91
  92     def _update_roaches(self, world):
  93         self._roach_layer.clear()
  94         seating = self._vehicle.seating(world)
  95         self._outside_roaches = []
  96         for roach in world.roaches:
  97             seat_pos = seating.get(roach.name)
  98             if seat_pos is not None:
  99                 roach_actor = self._roach_actors[roach.name]
 100                 roach_actor.pos = self._seat_layer[seat_pos].pos
 101                 self._roach_layer.add(roach_actor)
 102             else:
 103                 self._outside_roaches.append(roach.name)
 104         if self._outside_roaches:
 105             self._outside_roach_pos %= len(self._outside_roaches)
 106             roach_actor = self._roach_actors[
 107                 self._outside_roaches[self._outside_roach_pos]]
 108             roach_pad_center = self._roach_pad.center
 109             roach_actor.pos = (
 110                 roach_pad_center[0] + ROACH_PAD_OFFSET[0],
 111                 roach_pad_center[1] + ROACH_PAD_OFFSET[1])
 112             self._roach_layer.add(roach_actor)
 113         else:
 114             self._outside_roach_pos = 0
 115
 116     def _init_pads(self):
 117         self._roach_pad = self._pad_layer.add(
 118             Actor("roach_management/roach_pad", anchor=("left", "bottom")))
 119         self._roach_pad.pos = (TOOLBAR_LEFT_X, TOOLBAR_MID_Y)
 120         self._inventory_pad = self._pad_layer.add(
 121             Actor("roach_management/inventory_pad", anchor=("left", "top")))
 122         self._inventory_pad.pos = (TOOLBAR_LEFT_X, TOOLBAR_MID_Y)
 123
 124     def _add_button(self, name, anchor, inset, pos, action):
 125         button = self._button_layer.add(
 126             ImageButton(name, anchor=anchor, action=action))
 127         button.pos = inset_button(pos, inset)
 128         return button
 129
 130     def _init_buttons(self):
 131         self._button_layer.clear()
 132         self._add_button(
 133             "roach_management/left_button", ("left", "bottom"), (1, -1),
 134             self._roach_pad.bottomleft, self._roach_left)
 135
 136         self._add_button(
 137             "roach_management/right_button", ("right", "bottom"), (-1, -1),
 138             self._roach_pad.bottomright, self._roach_right)
 139
 140         self._add_button(
 141             "roach_management/left_button", ("left", "bottom"), (1, -1),
 142             self._inventory_pad.bottomleft, self._inventory_left)
 143
 144         self._add_button(
 145             "roach_management/right_button", ("right", "bottom"), (-1, -1),
 146             self._inventory_pad.bottomright, self._inventory_right)
 147
 148         self._add_button(
 149             "roach_management/eject_button", ("right", "top"), (-1, 1),
 150             (TOOLBAR_LEFT_X, TOOLBAR_TOP_Y), self._eject_roach)
 151
 152     def _roach_left(self):
 153         self._outside_roach_pos -= 1
 154
 155     def _roach_right(self):
 156         self._outside_roach_pos += 1
 157
 158     def _inventory_left(self):
 159         self._inventory_pos -= 1
 160
 161     def _inventory_right(self):
 162         self._inventory_pos += 1
 163
 164     def _select_seat(self, seat_pos):
 165         self._seat_layer[self._seat_pos].selected = False
 166         self._seat_pos = seat_pos
 167         self._seat_layer[self._seat_pos].selected = True
 168
 169     def _eject_roach(self, world=None):
 170         if world is None:
 171             self._update_calls.append(self._eject_roach)
 172             return
 173         self._vehicle.seat_roach(world, None, self._seat_pos)
 174
 175     def _click_roach_pad(self, world=None):
 176         if world is None:
 177             self._update_calls.append(self._click_roach_pad)
 178             return
 179         if self._outside_roaches:
 180             roach = self._outside_roaches[self._outside_roach_pos]
 181             self._vehicle.seat_roach(world, roach, self._seat_pos)
 182
 183     def _click_inventory_pad(self, world=None):
 184         if world is None:
 185             self._update_calls.append(self._click_inventory_pad)
 186             return
 187         roach_name = self._vehicle.roach_at(world, self._seat_pos)
 188         if roach_name is None:
 189             return
 190         roach = roach_by_name(world, roach_name)
 191         if roach is None:
 192             return
 193         serums = list(world.serums)
 194         if self._inventory_pos >= len(serums):
 195             return
 196         serum = serums.pop(self._inventory_pos)
 197         if roach_is_serumless(roach):
 198             roach[serum] = True
 199             world.serums = serums
 200             self._update_calls.append((self._update_roach_actor, roach_name))
 201
 202     def _update_roach_actor(self, world, roach_name):
 203         roach = roach_by_name(world, roach_name)
 204         self._roach_actors[roach_name] = big_roaches.assemble(roach)
 205
 206     def update(self, world, engine, dt):
 207         update_calls, self._update_calls = self._update_calls, []
 208         while update_calls:
 209             f, args = update_calls.pop(), ()
 210             if type(f) is tuple:
 211                 f, args = f[0], f[1:]
 212             f(world, *args)
 213         events = world.pop_events()
 214         self._update_inventory(world)
 215         self._update_roaches(world)
 216         return events
 217
 218     def on_key_down(self, key, mod, unicode):
 219         if key == keys.ESCAPE:
 220             from .menu import MenuScene
 221             return [ChangeSceneEvent(MenuScene())]
 222
 223     def on_mouse_down(self, pos, button):
 224         if button == mouse.LEFT:
 225             for actor in self.actors.buttons:
 226                 if actor.collidepoint(pos):
 227                     return actor.action()
 228             for i, actor in enumerate(self.actors.seats):
 229                 if actor.collidepoint(pos):
 230                     return self._select_seat(i)
 231             if self._roach_pad.collidepoint(pos):
 232                 return self._click_roach_pad()
 233             if self._inventory_pad.collidepoint(pos):
 234                 return self._click_inventory_pad()