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, level_scene=None):
  33         super().__init__()
  34         self._level_scene = level_scene
  35         self._vehicle = None
  36         self._seat_pos = 0
  37         self._outside_roach = None
  38         self._outside_roach_pos = 0
  39         self._inventory_pos = 0
  40         self._inventory_item = None
  41         self._roach_layer = self.actors.add_layer("roaches", level=10)
  42         self._inventory_layer = self.actors.add_layer("inventory", level=10)
  43         self._pad_layer = self.actors.add_layer("pads", level=5)
  44         self._seat_layer = self.actors.add_layer("seats", level=5)
  45         self._button_layer = self.actors.add_layer("buttons", level=6)
  46         self._init_pads()
  47         self._init_buttons()
  48         self._init_serums()
  49
  50     def enter(self, world):
  51         self._vehicle = Vehicle.current(world)
  52         self._update_calls = []
  53         self._init_bg()
  54         self._init_seats()
  55         self._init_roaches(world)
  56         self._update_inventory(world)
  57
  58     def _init_bg(self):
  59         self.actors.default.clear()
  60         self.actors.default.add(self._vehicle.roach_management_overlay())
  61
  62     def _init_seats(self):
  63         self._seat_layer.clear()
  64         for seat in self._vehicle.seats:
  65             seat_actor = self._seat_layer.add(seat.actor())
  66             seat_actor.pos = (
  67                 seat.vehicle_pos[0] + VEHICLE_MID_X,
  68                 seat.vehicle_pos[1] + VEHICLE_MID_Y)
  69         self._seat_layer[self._seat_pos].selected = True
  70
  71     def _init_roaches(self, world):
  72         self._roach_actors = {}
  73         for roach in world.roaches:
  74             self._roach_actors[roach.name] = big_roaches.assemble(roach)
  75
  76     def _init_serums(self):
  77         self._serum_actors = {
  78             serum: big_serums.assemble(serum) for serum in SERUMS}
  79
  80     def _update_inventory(self, world):
  81         self._inventory_layer.clear()
  82         serums = world.serums
  83         if not serums:
  84             return
  85         self._inventory_pos %= len(serums)
  86         serum_actor = self._serum_actors[serums[self._inventory_pos]]
  87         inv_pad_centre = self._inventory_pad.center
  88         serum_actor.pos = (
  89             inv_pad_centre[0] + SERUM_OFFSET[0],
  90             inv_pad_centre[1] + SERUM_OFFSET[1])
  91         self._inventory_layer.add(serum_actor)
  92
  93     def _update_roaches(self, world):
  94         self._roach_layer.clear()
  95         seating = self._vehicle.seating(world)
  96         self._outside_roaches = []
  97         for roach in world.roaches:
  98             seat_pos = seating.get(roach.name)
  99             if seat_pos is not None:
 100                 roach_actor = self._roach_actors[roach.name]
 101                 roach_actor.pos = self._seat_layer[seat_pos].pos
 102                 self._roach_layer.add(roach_actor)
 103             else:
 104                 self._outside_roaches.append(roach.name)
 105         if self._outside_roaches:
 106             self._outside_roach_pos %= len(self._outside_roaches)
 107             roach_actor = self._roach_actors[
 108                 self._outside_roaches[self._outside_roach_pos]]
 109             roach_pad_center = self._roach_pad.center
 110             roach_actor.pos = (
 111                 roach_pad_center[0] + ROACH_PAD_OFFSET[0],
 112                 roach_pad_center[1] + ROACH_PAD_OFFSET[1])
 113             self._roach_layer.add(roach_actor)
 114         else:
 115             self._outside_roach_pos = 0
 116
 117     def _init_pads(self):
 118         self._roach_pad = self._pad_layer.add(
 119             Actor("roach_management/roach_pad", anchor=("left", "bottom")))
 120         self._roach_pad.pos = (TOOLBAR_LEFT_X, TOOLBAR_MID_Y)
 121         self._inventory_pad = self._pad_layer.add(
 122             Actor("roach_management/inventory_pad", anchor=("left", "top")))
 123         self._inventory_pad.pos = (TOOLBAR_LEFT_X, TOOLBAR_MID_Y)
 124
 125     def _add_button(self, name, anchor, inset, pos, action):
 126         button = self._button_layer.add(
 127             ImageButton(name, anchor=anchor, action=action))
 128         button.pos = inset_button(pos, inset)
 129         return button
 130
 131     def _init_buttons(self):
 132         self._button_layer.clear()
 133         self._add_button(
 134             "roach_management/left_button", ("left", "bottom"), (1, -1),
 135             self._roach_pad.bottomleft, self._roach_left)
 136
 137         self._add_button(
 138             "roach_management/right_button", ("right", "bottom"), (-1, -1),
 139             self._roach_pad.bottomright, self._roach_right)
 140
 141         self._add_button(
 142             "roach_management/left_button", ("left", "bottom"), (1, -1),
 143             self._inventory_pad.bottomleft, self._inventory_left)
 144
 145         self._add_button(
 146             "roach_management/right_button", ("right", "bottom"), (-1, -1),
 147             self._inventory_pad.bottomright, self._inventory_right)
 148
 149         self._add_button(
 150             "roach_management/eject_button", ("right", "top"), (-1, 1),
 151             (TOOLBAR_LEFT_X, TOOLBAR_TOP_Y), self._eject_roach)
 152
 153     def _roach_left(self):
 154         self._outside_roach_pos -= 1
 155
 156     def _roach_right(self):
 157         self._outside_roach_pos += 1
 158
 159     def _inventory_left(self):
 160         self._inventory_pos -= 1
 161
 162     def _inventory_right(self):
 163         self._inventory_pos += 1
 164
 165     def _select_seat(self, seat_pos):
 166         self._seat_layer[self._seat_pos].selected = False
 167         self._seat_pos = seat_pos
 168         self._seat_layer[self._seat_pos].selected = True
 169
 170     def _eject_roach(self, world=None):
 171         if world is None:
 172             self._update_calls.append(self._eject_roach)
 173             return
 174         self._vehicle.seat_roach(world, None, self._seat_pos)
 175
 176     def _click_roach_pad(self, world=None):
 177         if world is None:
 178             self._update_calls.append(self._click_roach_pad)
 179             return
 180         if self._outside_roaches:
 181             roach = self._outside_roaches[self._outside_roach_pos]
 182             self._vehicle.seat_roach(world, roach, self._seat_pos)
 183
 184     def _click_inventory_pad(self, world=None):
 185         if world is None:
 186             self._update_calls.append(self._click_inventory_pad)
 187             return
 188         roach_name = self._vehicle.roach_at(world, self._seat_pos)
 189         if roach_name is None:
 190             return
 191         roach = roach_by_name(world, roach_name)
 192         if roach is None:
 193             return
 194         serums = list(world.serums)
 195         if self._inventory_pos >= len(serums):
 196             return
 197         serum = serums.pop(self._inventory_pos)
 198         if roach_is_serumless(roach):
 199             roach[serum] = True
 200             world.serums = serums
 201             self._update_calls.append((self._update_roach_actor, roach_name))
 202
 203     def _update_roach_actor(self, world, roach_name):
 204         roach = roach_by_name(world, roach_name)
 205         self._roach_actors[roach_name] = big_roaches.assemble(roach)
 206
 207     def update(self, world, engine, dt):
 208         update_calls, self._update_calls = self._update_calls, []
 209         while update_calls:
 210             f, args = update_calls.pop(), ()
 211             if type(f) is tuple:
 212                 f, args = f[0], f[1:]
 213             f(world, *args)
 214         events = world.pop_events()
 215         self._update_inventory(world)
 216         self._update_roaches(world)
 217         return events
 218
 219     def on_key_down(self, key, mod, unicode):
 220         if key in (keys.ESCAPE, keys.Z):
 221             if self._level_scene is None:
 222                 from .menu import MenuScene
 223                 return [ChangeSceneEvent(MenuScene())]
 224             return [ChangeSceneEvent(self._level_scene)]
 225
 226     def on_mouse_down(self, pos, button):
 227         if button == mouse.LEFT:
 228             for actor in self.actors.buttons:
 229                 if actor.collidepoint(pos):
 230                     return actor.action()
 231             for i, actor in enumerate(self.actors.seats):
 232                 if actor.collidepoint(pos):
 233                     return self._select_seat(i)
 234             if self._roach_pad.collidepoint(pos):
 235                 return self._click_roach_pad()
 236             if self._inventory_pad.collidepoint(pos):
 237                 return self._click_inventory_pad()