koperkapel/scenes/roach_management.py

   1 """ Roach management scene. """
   2
   3 from pygame.constants import BLEND_RGBA_MULT, BLEND_RGBA_SUB
   4 from pgzero.constants import keys, mouse
   5 from pgzero.actor import Actor
   6 from pgzero.screen import Screen
   7 from ..actors.buttons import ImageButton
   8 from ..actors.surf import SurfActor
   9 from ..constants import WIDTH, HEIGHT
  10 from ..roaches import big_roaches, roach_by_name
  11 from ..serums import big_serums, roach_is_serumless, SERUMS
  12 from ..vehicles.base import Vehicle
  13 from .base import Scene, ChangeSceneEvent, defer_to_update
  14
  15
  16 TOOLBAR_LEFT_X = WIDTH * 3 // 4
  17 TOOLBAR_TOP_Y = 0
  18 TOOLBAR_MID_Y = HEIGHT * 1 // 2
  19 VEHICLE_MID_X = WIDTH * 3 // 8
  20 VEHICLE_MID_Y = HEIGHT * 1 // 2
  21 BUTTON_INSET = (20, 20)
  22 SERUM_OFFSET = (0, 20)
  23 ROACH_PAD_OFFSET = (0, 20)
  24
  25
  26 def inset_button(pos, d):
  27     return (
  28         pos[0] + d[0] * BUTTON_INSET[0],
  29         pos[1] + d[1] * BUTTON_INSET[1])
  30
  31
  32 class RoachesScene(Scene):
  33     """ Roach management scene. """
  34
  35     def __init__(self, level_scene=None):
  36         super().__init__()
  37         self._level_scene = level_scene
  38         self._vehicle = None
  39         self._seat_pos = 0
  40         self._outside_roach = None
  41         self._outside_roach_pos = 0
  42         self._inventory_pos = 0
  43         self._inventory_item = None
  44         self._roach_layer = self.actors.add_layer("roaches", level=10)
  45         self._inventory_layer = self.actors.add_layer("inventory", level=10)
  46         self._pad_layer = self.actors.add_layer("pads", level=5)
  47         self._seat_layer = self.actors.add_layer("seats", level=5)
  48         self._button_layer = self.actors.add_layer("buttons", level=6)
  49         self._init_pads()
  50         self._init_buttons()
  51         self._init_serums()
  52
  53     def enter(self, world):
  54         self._vehicle = Vehicle.current(world)
  55         self._init_bg()
  56         self._init_seats()
  57         self._init_roaches(world)
  58         self._update_inventory(world)
  59
  60     def _init_bg(self):
  61         self.actors.default.clear()
  62         overlay = self._vehicle.roach_management_overlay()
  63         base = overlay.copy()
  64         if self._level_scene is not None:
  65             base.fill((0, 0, 0))
  66             self._level_scene.draw(Screen(base))
  67         else:
  68             base.fill((10, 10, 10))
  69         base.blit(overlay, (0, 0))
  70         frame = self._vehicle.roach_management_frame()
  71         if frame is not None:
  72             frame = frame.copy()
  73             frame.fill((255, 255, 255, 8), None, BLEND_RGBA_MULT)
  74             frame_rect = frame.get_rect()
  75             base.blit(frame, (
  76                 VEHICLE_MID_X - frame_rect.w // 2,
  77                 VEHICLE_MID_Y - frame_rect.h // 2),
  78                 None, BLEND_RGBA_SUB)
  79         self.actors.default.add(SurfActor(base))
  80
  81     def _init_seats(self):
  82         self._seat_layer.clear()
  83         for seat in self._vehicle.seats:
  84             seat_actor = self._seat_layer.add(seat.actor())
  85             seat_actor.pos = (
  86                 seat.vehicle_pos[0] + VEHICLE_MID_X,
  87                 seat.vehicle_pos[1] + VEHICLE_MID_Y)
  88         self._seat_layer[self._seat_pos].selected = True
  89
  90     def _init_roaches(self, world):
  91         self._roach_actors = {}
  92         for roach in world.roaches:
  93             self._roach_actors[roach.name] = big_roaches.assemble(roach)
  94
  95     def _init_serums(self):
  96         self._serum_actors = {
  97             serum: big_serums.assemble(serum) for serum in SERUMS}
  98
  99     def _update_inventory(self, world):
 100         self._inventory_layer.clear()
 101         serums = world.serums
 102         if not serums:
 103             return
 104         self._inventory_pos %= len(serums)
 105         serum_actor = self._serum_actors[serums[self._inventory_pos]]
 106         inv_pad_centre = self._inventory_pad.center
 107         serum_actor.pos = (
 108             inv_pad_centre[0] + SERUM_OFFSET[0],
 109             inv_pad_centre[1] + SERUM_OFFSET[1])
 110         self._inventory_layer.add(serum_actor)
 111
 112     def _update_roaches(self, world):
 113         self._roach_layer.clear()
 114         seating = self._vehicle.seating(world)
 115         self._outside_roaches = []
 116         for roach in world.roaches:
 117             seat_pos = seating.get(roach.name)
 118             if seat_pos is not None:
 119                 roach_actor = self._roach_actors[roach.name]
 120                 roach_actor.pos = self._seat_layer[seat_pos].pos
 121                 self._roach_layer.add(roach_actor)
 122             else:
 123                 self._outside_roaches.append(roach.name)
 124         if self._outside_roaches:
 125             self._outside_roach_pos %= len(self._outside_roaches)
 126             roach_actor = self._roach_actors[
 127                 self._outside_roaches[self._outside_roach_pos]]
 128             roach_pad_center = self._roach_pad.center
 129             roach_actor.pos = (
 130                 roach_pad_center[0] + ROACH_PAD_OFFSET[0],
 131                 roach_pad_center[1] + ROACH_PAD_OFFSET[1])
 132             self._roach_layer.add(roach_actor)
 133         else:
 134             self._outside_roach_pos = 0
 135
 136     def _init_pads(self):
 137         self._roach_pad = self._pad_layer.add(
 138             Actor("roach_management/roach_pad", anchor=("left", "bottom")))
 139         self._roach_pad.pos = (TOOLBAR_LEFT_X, TOOLBAR_MID_Y)
 140         self._inventory_pad = self._pad_layer.add(
 141             Actor("roach_management/inventory_pad", anchor=("left", "top")))
 142         self._inventory_pad.pos = (TOOLBAR_LEFT_X, TOOLBAR_MID_Y)
 143
 144     def _add_button(self, name, anchor, inset, pos, action):
 145         button = self._button_layer.add(
 146             ImageButton(name, anchor=anchor, action=action))
 147         button.pos = inset_button(pos, inset)
 148         return button
 149
 150     def _init_buttons(self):
 151         self._button_layer.clear()
 152         self._add_button(
 153             "roach_management/left_button", ("left", "bottom"), (1, -1),
 154             self._roach_pad.bottomleft, self._roach_left)
 155
 156         self._add_button(
 157             "roach_management/right_button", ("right", "bottom"), (-1, -1),
 158             self._roach_pad.bottomright, self._roach_right)
 159
 160         self._add_button(
 161             "roach_management/left_button", ("left", "bottom"), (1, -1),
 162             self._inventory_pad.bottomleft, self._inventory_left)
 163
 164         self._add_button(
 165             "roach_management/right_button", ("right", "bottom"), (-1, -1),
 166             self._inventory_pad.bottomright, self._inventory_right)
 167
 168         self._add_button(
 169             "roach_management/eject_button", ("right", "top"), (-1, 1),
 170             (TOOLBAR_LEFT_X, TOOLBAR_TOP_Y), self._eject_roach)
 171
 172     def _roach_left(self):
 173         self._outside_roach_pos -= 1
 174
 175     def _roach_right(self):
 176         self._outside_roach_pos += 1
 177
 178     def _inventory_left(self):
 179         self._inventory_pos -= 1
 180
 181     def _inventory_right(self):
 182         self._inventory_pos += 1
 183
 184     def _select_seat(self, seat_pos):
 185         self._seat_layer[self._seat_pos].selected = False
 186         self._seat_pos = seat_pos
 187         self._seat_layer[self._seat_pos].selected = True
 188
 189     @defer_to_update
 190     def _eject_roach(self, world):
 191         self._vehicle.seat_roach(world, None, self._seat_pos)
 192
 193     @defer_to_update
 194     def _click_roach_pad(self, world):
 195         if self._outside_roaches:
 196             roach = self._outside_roaches[self._outside_roach_pos]
 197             self._vehicle.seat_roach(world, roach, self._seat_pos)
 198
 199     @defer_to_update
 200     def _click_inventory_pad(self, world):
 201         roach_name = self._vehicle.roach_at(world, self._seat_pos)
 202         if roach_name is None:
 203             return
 204         roach = roach_by_name(world, roach_name)
 205         if roach is None:
 206             return
 207         serums = list(world.serums)
 208         if self._inventory_pos >= len(serums):
 209             return
 210         serum = serums.pop(self._inventory_pos)
 211         if roach_is_serumless(roach):
 212             roach[serum] = True
 213             world.serums = serums
 214             self._update_roach_actor(roach_name)
 215
 216     @defer_to_update
 217     def _update_roach_actor(self, world, roach_name):
 218         roach = roach_by_name(world, roach_name)
 219         self._roach_actors[roach_name] = big_roaches.assemble(roach)
 220
 221     def update(self, world, engine, dt):
 222         super().update(world, engine, dt)
 223         events = world.pop_events()
 224         self._update_inventory(world)
 225         self._update_roaches(world)
 226         return events
 227
 228     def on_key_down(self, key, mod, unicode):
 229         if key in (keys.ESCAPE, keys.Z):
 230             if self._level_scene is None:
 231                 from .menu import MenuScene
 232                 return [ChangeSceneEvent(MenuScene())]
 233             return [ChangeSceneEvent(self._level_scene)]
 234
 235     def on_mouse_down(self, pos, button):
 236         if button == mouse.LEFT:
 237             for actor in self.actors.buttons:
 238                 if actor.collidepoint(pos):
 239                     return actor.action()
 240             for i, actor in enumerate(self.actors.seats):
 241                 if actor.collidepoint(pos):
 242                     return self._select_seat(i)
 243             if self._roach_pad.collidepoint(pos):
 244                 return self._click_roach_pad()
 245             if self._inventory_pad.collidepoint(pos):
 246                 return self._click_inventory_pad()