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