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comparison gamelib/mainmenu.py @ 88:74ce25ec2073

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Autosave & load support
author Neil Muller <drnlmuller@gmail.com>
date Wed, 09 May 2012 20:07:14 +0200
parents 8d1cf0cbe5e1
children 0823e2529c23
comparison
equal deleted inserted replaced
87:d93e1ea2bd0d 88:74ce25ec2073
2 # vim:fileencoding=utf-8 ai ts=4 sts=4 et sw=4 2 # vim:fileencoding=utf-8 ai ts=4 sts=4 et sw=4
3 3
4 """The main menu""" 4 """The main menu"""
5 5
6 import pygame 6 import pygame
7 import os
7 from pygame import image 8 from pygame import image
9
10 try:
11 import simplejson
12 json = simplejson
13 except ImportError:
14 import json
8 15
9 from gamelib import data 16 from gamelib import data
10 from gamelib.gui_base import Window 17 from gamelib.gui_base import Window
11 from gamelib.gui import BigButton 18 from gamelib.gui import BigButton
12 from gamelib.engine import AddWindow 19 from gamelib.engine import AddWindow
13 from gamelib.gamegui import LabWindow 20 from gamelib.gamegui import LabWindow
14 21
15 from gamelib.constants import WIDTH, HEIGHT 22 from gamelib.constants import WIDTH, HEIGHT
23 from gamelib.game_base import get_save_filename
16 24
17 25
18 class MainMenuButton(BigButton): 26 class MainMenuButton(BigButton):
19 WIDTH = 276 27 WIDTH = 276
20 HEIGHT = 75 28 HEIGHT = 75
55 pygame.event.post(pygame.event.Event(pygame.QUIT)) 63 pygame.event.post(pygame.event.Event(pygame.QUIT))
56 64
57 65
58 class MainMenu(Window): 66 class MainMenu(Window):
59 67
60 def __init__(self, screen): 68 def __init__(self, screen, savefile):
61 super(MainMenu, self).__init__(screen) 69 super(MainMenu, self).__init__(screen)
62 self.game_window = None 70 self.game_window = None
63 self.resume = None 71 self.resume = None
64 self.screen = screen 72 self.screen = screen
65 self.background_colour = (0, 0, 0) 73 self.background_colour = (0, 0, 0)
66 self.background_image = image.load(data.filepath('images/temp.jpg')) 74 self.background_image = image.load(data.filepath('images/temp.jpg'))
67 button1 = NewGameButton(self) 75 button1 = NewGameButton(self)
68 self.add_child(button1) 76 self.add_child(button1)
69 button2 = QuitButton() 77 button2 = QuitButton()
70 self.add_child(button2) 78 self.add_child(button2)
79 if savefile:
80 self.load_game(savefile)
81 else:
82 # See if we have an autosave file
83 savefile = get_save_filename()
84 if os.path.exists(savefile):
85 self.load_game(savefile)
71 86
72 def start_new_game(self): 87 def start_new_game(self):
73 self.game_window = LabWindow(self.screen) 88 self.game_window = LabWindow(self.screen, None)
89 self.add_resume()
90 AddWindow.post(self.game_window)
91
92 def load_game(self, savefile):
93 if os.access(savefile, os.R_OK):
94 f = open(savefile, 'r')
95 game_data = json.load(f)
96 f.close()
97 self.game_window = LabWindow(self.screen, game_data)
98 self.add_resume()
99 # We stay at the main menu, so the user can can to continue or not
100
101 def add_resume(self):
74 if not self.resume: 102 if not self.resume:
75 # Add the resume button 103 # Add the resume button
76 self.resume = ResumeGameButton(self) 104 self.resume = ResumeGameButton(self)
77 self.add_child(self.resume) 105 self.add_child(self.resume)
78 AddWindow.post(self.game_window)
79 106
80 def resume_game(self): 107 def resume_game(self):
81 AddWindow.post(self.game_window) 108 AddWindow.post(self.game_window)