koperkapel/scenes/roaches.py

   1 """ Roach management scene. """
   2
   3 from pgzero.constants import keys
   4 from pgzero.actor import Actor
   5 from ..actors.buttons import TextButton
   6 from ..constants import WIDTH, HEIGHT
   7 from .base import Scene, ChangeSceneEvent
   8
   9
  10 TOOLBAR_LEFT_X = WIDTH * 3 // 4
  11 TOOLBAR_TOP_Y = 0
  12 TOOLBAR_MID_Y = HEIGHT * 1 // 2
  13 BUTTON_INSET = (20, 20)
  14
  15
  16 def inset_button(pos, dx, dy):
  17     return (
  18         pos[0] + dx * BUTTON_INSET[0],
  19         pos[1] + dy * BUTTON_INSET[1])
  20
  21
  22 class RoachesScene(Scene):
  23     """ Roach management scene. """
  24
  25     def __init__(self):
  26         super().__init__()
  27         self._roach_actors = {}
  28         self._roaches = self.actors.add_layer("roaches", level=10)
  29         self._pads = self.actors.add_layer("pads", level=5)
  30         self._buttons = self.actors.add_layer("buttons", level=6)
  31         self._init_bg()
  32         self._init_pads()
  33         self._init_buttons()
  34
  35     def _init_bg(self):
  36         self.actors.default.add(Actor("vehicles/walking/background"))
  37
  38     def _init_pads(self):
  39         self._roach_pad = self._pads.add(
  40             Actor("roach_management/roach_pad", anchor=("left", "bottom")))
  41         self._roach_pad.pos = (TOOLBAR_LEFT_X, TOOLBAR_MID_Y)
  42         self._inventory_pad = self._pads.add(
  43             Actor("roach_management/inventory_pad", anchor=("left", "top")))
  44         self._inventory_pad.pos = (TOOLBAR_LEFT_X, TOOLBAR_MID_Y)
  45
  46     def _init_buttons(self):
  47         self._roach_left = self._buttons.add(
  48             Actor("roach_management/left_button", anchor=("left", "bottom")))
  49         self._roach_left.pos = inset_button(
  50             self._roach_pad.bottomleft, 1, -1)
  51
  52         self._roach_right = self._buttons.add(
  53             Actor("roach_management/right_button", anchor=("right", "bottom")))
  54         self._roach_right.pos = inset_button(
  55             self._roach_pad.bottomright, -1, -1)
  56
  57         self._inventory_left = self._buttons.add(
  58             Actor("roach_management/left_button", anchor=("left", "bottom")))
  59         self._inventory_left.pos = inset_button(
  60             self._inventory_pad.bottomleft, 1, -1)
  61
  62         self._inventory_right = self._buttons.add(
  63             Actor("roach_management/right_button", anchor=("right", "bottom")))
  64         self._inventory_right.pos = inset_button(
  65             self._inventory_pad.bottomright, -1, -1)
  66
  67         self._road_eject = self._buttons.add(
  68             Actor("roach_management/eject_button", anchor=("right", "top")))
  69         self._road_eject.pos = inset_button(
  70             (TOOLBAR_LEFT_X, TOOLBAR_TOP_Y), -1, 1)
  71
  72     def update(self, world, dt):
  73         for i, roach in enumerate(world.roaches):
  74             if roach.name in self._roach_actors:
  75                 actor = self._roach_actors[roach.name]
  76             else:
  77                 actor = TextButton("%s [%s]" % (
  78                     roach.name,
  79                     ", ".join("%s=%s" % kv for kv in sorted(
  80                         roach.attributes.items()),
  81                     )))
  82                 self._roach_actors[roach.name] = actor
  83                 self._roaches.add(actor)
  84             # TODO: remove missing roaches
  85             actor.pos = (300, 100 + i * 100)
  86
  87     def on_key_down(self, key, mod, unicode):
  88         if key == keys.ESCAPE:
  89             from .menu import MenuScene
  90             return [ChangeSceneEvent(MenuScene())]