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, SpacerButton
  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("New Game", (255, 255, 255), name='new game'),
  22             TextButton("Continue / Retry", (255, 255, 255), name='continue'),
  23             TextButton("Help", (255, 255, 255), name='help'),
  24             SpacerButton((50, 30)),
  25             TextButton("Quit", (255, 255, 255), name='quit'),
  26         ]
  27
  28     def render(self, surface, gamestate):
  29         surface.fill((0, 128, 0))
  30
  31         pos = ((surface.get_width() - self._title.get_width()) / 2, 50)
  32         surface.blit(self._title, pos, None)
  33
  34         height = 150
  35         for item in self._menu:
  36             if not item.position:
  37                 item.position = ((surface.get_width() - item.get_width()) / 2,
  38                                  height)
  39             item.render(surface)
  40             height += item.get_height() + 30
  41
  42     def _get_pressed(self, ev):
  43         for button in self._menu:
  44             if button.pressed(ev):
  45                 return button.name
  46         return None
  47
  48     def _do_day(self):
  49         from .day import DayScene
  50         SceneChangeEvent.post(scene=DayScene())
  51
  52     def _do_load_level(self):
  53         from .load_level import LoadLevelScene
  54         SceneChangeEvent.post(scene=LoadLevelScene())
  55
  56     def _do_help(self):
  57         from .help import HelpScene
  58         SceneChangeEvent.post(scene=HelpScene())
  59
  60     def event(self, ev, gamestate):
  61         if ev.type == pgl.KEYDOWN:
  62             if ev.key in (pgl.K_q, pgl.K_ESCAPE):
  63                 QuitEvent.post()
  64             elif ev.key == pgl.K_n:
  65                 from .night import NightScene
  66                 SceneChangeEvent.post(scene=NightScene())
  67             elif ev.key == pgl.K_d:
  68                 self._do_day()
  69             elif ev.key == pgl.K_l:
  70                 self._do_load_level()
  71             elif ev.key == pgl.K_h:
  72                 self._do_help()
  73         elif ev.type == pgl.MOUSEBUTTONDOWN:
  74             pressed = self._get_pressed(ev)
  75             if pressed == 'new game':
  76                 self._do_load_level()
  77             elif pressed == 'continue':
  78                 self._do_day()
  79             elif pressed == 'help':
  80                 self._do_help()
  81             elif pressed == 'quit':
  82                 QuitEvent.post()
  83             elif pressed:
  84                 print 'Pressed', pressed