tabakrolletjie/scenes/menu.py

   1 """ Menu scene. """
   2
   3 import pygame.locals as pgl
   4
   5 from .base import BaseScene
   6 from ..events import QuitEvent, SceneChangeEvent
   7 from ..loader import loader
   8 from ..constants import FONTS
   9 from ..widgets import TextButton
  10
  11
  12 class MenuScene(BaseScene):
  13     def enter(self, gamestate):
  14         if gamestate.station is None:
  15             print "Loading Station Alpha ..."
  16             gamestate.set_station(loader.load_station("station-alpha.json"))
  17         font_title = loader.load_font(FONTS['bold'], size=32)
  18         self._title = font_title.render('A Game with a title', True,
  19                                         (255, 255, 255))
  20         self._menu = [
  21             TextButton("Load Level", (255, 255, 255), name='load level'),
  22             TextButton("Start Game (Day)", (255, 255, 255), name='start game'),
  23             TextButton("Load Saved Game", (255, 255, 255), name='load game'),
  24             TextButton("Help", (255, 255, 255), name='help'),
  25         ]
  26
  27     def render(self, surface, gamestate):
  28         surface.fill((0, 128, 0))
  29
  30         pos = ((surface.get_width() - self._title.get_width()) / 2, 50)
  31         surface.blit(self._title, pos, None)
  32
  33         height = 150
  34         for item in self._menu:
  35             if not item.position:
  36                 item.position = ((surface.get_width() - item.get_width()) / 2,
  37                                  height)
  38             item.render(surface)
  39             height += item.get_height() + 30
  40
  41     def _get_pressed(self, ev):
  42         for button in self._menu:
  43             if button.pressed(ev):
  44                 return button.name
  45         return None
  46
  47     def _do_day(self):
  48         from .day import DayScene
  49         SceneChangeEvent.post(scene=DayScene())
  50
  51     def _do_load_level(self):
  52         from .load_level import LoadLevelScene
  53         SceneChangeEvent.post(scene=LoadLevelScene())
  54
  55     def _do_help(self):
  56         from .help import HelpScene
  57         SceneChangeEvent.post(scene=HelpScene())
  58
  59     def event(self, ev, gamestate):
  60         if ev.type == pgl.KEYDOWN:
  61             if ev.key in (pgl.K_q, pgl.K_ESCAPE):
  62                 QuitEvent.post()
  63             elif ev.key == pgl.K_n:
  64                 from .night import NightScene
  65                 SceneChangeEvent.post(scene=NightScene())
  66             elif ev.key == pgl.K_d:
  67                 self._do_day()
  68             elif ev.key == pgl.K_l:
  69                 self._do_load_level()
  70             elif ev.key == pgl.K_h:
  71                 self._do_help()
  72         elif ev.type == pgl.MOUSEBUTTONDOWN:
  73             pressed = self._get_pressed(ev)
  74             if pressed == 'load level':
  75                 self._do_load_level()
  76             elif pressed == 'start game':
  77                 self._do_day()
  78             elif pressed == 'help':
  79                 self._do_help()
  80             elif pressed:
  81                 print 'Pressed', pressed