5 import pygame.locals as pgl
7 from naja.constants import KEYS, PALETTE, KONAMI_CODE
8 from naja.events import SceneChangeEvent, QuitGameEvent
9 from naja.options import options
10 from naja.scenes.scene import Scene
11 from naja.scenes.credits import CreditsScene
12 from naja.scenes.game import GameScene
13 from naja.scenes.howto import HowtoScene
14 from naja.scenes.load_save import LoadGameScene, SaveGameScene
15 from naja.scenes.new_game import NewGameScene
16 from naja.widgets.selector import SelectorWidget
17 from naja.widgets.text import TextWidget
18 from naja.widgets.image_box import ImageBox
19 from naja.sound import sound
22 class MenuScene(Scene):
23 def __init__(self, state):
24 super(MenuScene, self).__init__(state)
26 background = ImageBox(
27 (0, 0), "screens/splash.png")
30 selector = SelectorWidget()
32 y_offset, y_diff = 270, 40
37 (x_offset, y_offset), 'Resume Game', colour=PALETTE.WHITE,
38 unselectable_colour=PALETTE.GREY, centre=True)
39 resume.add_callback('click', self.scene_callback(GameScene))
40 resume.set_selectable_callback(lambda: state is not None)
45 (x_offset, y_offset), 'New Game', colour=PALETTE.WHITE,
47 new.add_callback('click', self.scene_callback(NewGameScene))
51 load = TextWidget((x_offset, y_offset), 'Load', colour=PALETTE.WHITE,
53 load.add_callback('click', self.scene_callback(LoadGameScene))
58 (x_offset, y_offset), 'Save', colour=PALETTE.WHITE,
59 unselectable_colour=PALETTE.GREY, centre=True)
60 save.add_callback('click', self.scene_callback(SaveGameScene))
61 save.set_selectable_callback(lambda: state is not None)
66 (x_offset, y_offset), 'How To Play', colour=PALETTE.WHITE,
68 howto.add_callback('click', self.scene_callback(HowtoScene))
73 (x_offset, y_offset), 'Credits', colour=PALETTE.WHITE,
75 credits.add_callback('click', self.scene_callback(CreditsScene))
79 quit = TextWidget((x_offset, y_offset), 'Quit', colour=PALETTE.WHITE,
81 quit.add_callback('click', lambda event: QuitGameEvent.post())
85 if not sound.playing_music:
86 sound.play_music('scape.ogg', 0.25)
88 def scene_callback(self, scene_class):
89 return lambda event: SceneChangeEvent.post(scene_class)
91 def handle_event(self, ev):
92 if ev.type == pgl.KEYDOWN and self.konami is not None:
93 if ev.key in KEYS.KONAMI:
94 self.konami.append(ev.key)
95 if self.konami == KONAMI_CODE:
96 options['cheat_enabled'] = True
97 print "Cheats enabled."
98 print " Try hitting some number keys."
100 elif self.konami != KONAMI_CODE[:len(self.konami)]:
102 return super(MenuScene, self).handle_event(ev)
104 def handle_scene_event(self, ev):
105 if ev.type == pgl.KEYDOWN:
106 if ev.key in KEYS.QUIT: