naja/scenes/puzzlelist.py

   1 """
   2 Load and save scenes.
   3 """
   4
   5 import functools
   6 import pygame.locals as pgl
   7
   8 from naja.constants import KEYS, PUZZLES
   9 from naja.events import SceneChangeEvent, LoadGameEvent
  10 from naja.gamestate import GameState, load_location_deck
  11 from naja.scenes.scene import Scene
  12 from naja.widgets.image_box import ImageBox
  13 from naja.widgets.selector import SelectorWidget
  14 from naja.widgets.text import TextWidget
  15
  16
  17 class PuzzleListScene(Scene):
  18     def __init__(self, state):
  19         super(PuzzleListScene, self).__init__(state)
  20
  21         background = ImageBox(
  22             (0, 0), "screens/splash.png")
  23         self.add(background)
  24
  25         selector = SelectorWidget()
  26         selector.position = 1
  27         self.add(selector)
  28
  29         y_offset, y_diff = 270, 36
  30         x_offset = 400
  31
  32         y_offset += y_diff
  33         title = TextWidget(
  34             (x_offset, y_offset), 'CHOOSE PUZZLE', colour='white',
  35             centre=True)
  36         self.add(title)
  37
  38         for puzzle in PUZZLES:
  39             y_offset += y_diff
  40             deck = load_location_deck('puzzles/%s' % puzzle)
  41             puzzle_but = TextWidget(
  42                (x_offset, y_offset), deck['description'], fontsize=32,
  43                colour='white', centre=True)
  44             callback = functools.partial(self.start_puzzle_game,
  45                                          puzzle=puzzle, deck=deck)
  46             puzzle_but.add_callback('click', callback)
  47             selector.add(puzzle_but)
  48
  49     def start_puzzle_game(self, event, puzzle=None, deck=None):
  50         from naja.scenes.game import GameScene
  51         max_health = deck.get('max_health', 4)
  52         wins_required = deck.get('wins_required', 4)
  53         level = 'puzzles/%s' % puzzle
  54         state = GameState.new(deck=level, max_health=max_health,
  55                               wins_required=wins_required)
  56         LoadGameEvent.post(state=state)
  57         SceneChangeEvent.post(GameScene)
  58
  59     def handle_scene_event(self, ev):
  60         if ev.type == pgl.KEYDOWN and ev.key in KEYS.QUIT:
  61             from naja.scenes.menu import MenuScene
  62             SceneChangeEvent.post(MenuScene)
  63             return