koperkapel/scenes/roaches.py

   1 """ Roach management scene. """
   2
   3 from pgzero.constants import keys, mouse
   4 from pgzero.actor import Actor
   5 from ..actors.buttons import TextButton, ImageButton
   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, d):
  17     return (
  18         pos[0] + d[0] * BUTTON_INSET[0],
  19         pos[1] + d[1] * 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 _add_button(self, name, anchor, inset, pos, action):
  47         button = self._buttons.add(
  48             ImageButton(name, anchor=anchor, action=action))
  49         button.pos = inset_button(pos, inset)
  50         return button
  51
  52     def _init_buttons(self):
  53         self._add_button(
  54             "roach_management/left_button", ("left", "bottom"), (1, -1),
  55             self._roach_pad.bottomleft, self._roach_left)
  56
  57         self._add_button(
  58             "roach_management/right_button", ("right", "bottom"), (-1, -1),
  59             self._roach_pad.bottomright, self._roach_right)
  60
  61         self._add_button(
  62             "roach_management/left_button", ("left", "bottom"), (1, -1),
  63             self._inventory_pad.bottomleft, self._inventory_left)
  64
  65         self._add_button(
  66             "roach_management/right_button", ("right", "bottom"), (-1, -1),
  67             self._inventory_pad.bottomright, self._inventory_right)
  68
  69         self._add_button(
  70             "roach_management/eject_button", ("right", "top"), (-1, 1),
  71             (TOOLBAR_LEFT_X, TOOLBAR_TOP_Y), self._eject_roach)
  72
  73     def _roach_left(self):
  74         print("Cycle outside roaches left.")
  75
  76     def _roach_right(self):
  77         print("Cycle outside roaches right.")
  78
  79     def _inventory_left(self):
  80         print("Cycle inventory left.")
  81
  82     def _inventory_right(self):
  83         print("Cycle inventory right.")
  84
  85     def _eject_roach(self):
  86         print("Eject roach.")
  87
  88     def update(self, world, dt):
  89         for i, roach in enumerate(world.roaches):
  90             if roach.name in self._roach_actors:
  91                 actor = self._roach_actors[roach.name]
  92             else:
  93                 actor = TextButton("%s [%s]" % (
  94                     roach.name,
  95                     ", ".join("%s=%s" % kv for kv in sorted(
  96                         roach.attributes.items()),
  97                     )))
  98                 self._roach_actors[roach.name] = actor
  99                 self._roaches.add(actor)
 100             # TODO: remove missing roaches
 101             actor.pos = (300, 100 + i * 100)
 102
 103     def on_key_down(self, key, mod, unicode):
 104         if key == keys.ESCAPE:
 105             from .menu import MenuScene
 106             return [ChangeSceneEvent(MenuScene())]
 107
 108     def on_mouse_down(self, pos, button):
 109         if button == mouse.LEFT:
 110             for actor in self.actors.buttons:
 111                 if actor.collidepoint(pos):
 112                     actor.action()
 113                     break