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