File: main.py

package info (click to toggle)
lightyears 1.4-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster, jessie, jessie-kfreebsd, sid, stretch
  • size: 1,324 kB
  • ctags: 454
  • sloc: python: 3,499; makefile: 2
file content (332 lines) | stat: -rw-r--r-- 10,678 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
# 
# 20,000 Light Years Into Space
# This game is licensed under GPL v2, and copyright (C) Jack Whitham 2006-07.
# 


import pygame , random , sys , math , time , webbrowser , urllib , os
from pygame.locals import *

import game , stats , storms , extra , save_menu , resource , menu
import config , startup , sound , alien_invasion , quakes
from primitives import *

DEB_ICON = '/usr/share/pixmaps/lightyears.xpm'
DEB_MANUAL = '/usr/share/doc/lightyears/html/index.html'
                

def Main(data_dir):

    n = "20,000 Light-Years Into Space"
    print ""
    print n
    print "Copyright (C) Jack Whitham 2006-11"
    print "Version", config.CFG_VERSION
    print ""

    resource.DATA_DIR = data_dir

    config.Initialise("--safe" in sys.argv)

    # Pygame things
    flags = 0
    if ("--fullscreen" in sys.argv):
        flags |= FULLSCREEN

    bufsize = 2048

    no_sound = ( "--no-sound" in sys.argv )
    if not no_sound:
        try:
            pygame.mixer.pre_init(22050, -16, 2, bufsize)
            pygame.mixer.init()
        except pygame.error, message:
            print 'Sound initialization failed. %s' % message
            no_sound = True

    pygame.init()
    pygame.font.init()

    if flags & FULLSCREEN:
        # Ensure that all resolutions are supported by the system
        for resolution in RESOLUTIONS:
            if resolution[:2] not in pygame.display.list_modes():
                RESOLUTIONS.remove(resolution)

        
    if ( no_sound ):
        resource.No_Sound()
    else:
        pygame.mixer.init(22050,-16,2,bufsize)

    clock = pygame.time.Clock()
    screen = pygame.display.set_mode(config.cfg.resolution, flags)
    height = screen.get_rect().height
    width = screen.get_rect().width

    # Icon
    # The icon provided in the Debian package is different than the original one
    # (size and location changed)
    if os.path.isfile(DEB_ICON):
        pygame.display.set_icon(resource.Load_Image(DEB_ICON))
    else:
        pygame.display.set_icon(resource.Load_Image("32.png"))

    # Game begins.. show loading image
    screen.fill((0,0,0))
    pygame.display.flip()
    pygame.display.set_caption(n)
    storms.Init_Storms()
    alien_invasion.Init_Aliens()
    quakes.Init_Quakes()

    quit = False
    while ( not quit ):
        if ( config.cfg.resolution != (width, height) ):

            # As the toggle mode thing doesn't work outside of Unix, 
            # the fallback strategy is to do set_mode again.
            # But if you set the same mode, then nothing happens.
            # So:
            screen = pygame.display.set_mode((640,480), flags)  # not the right mode
            screen = pygame.display.set_mode(config.cfg.resolution, flags) # right mode!
            height = screen.get_rect().height
            width = screen.get_rect().width

        quit = Main_Menu_Loop(n, clock, screen, (width, height))

    config.Save()

    # Bye bye Pygame.
    pygame.mixer.quit()
    pygame.quit()


def Main_Menu_Loop(name, clock, screen, (width, height)):
    # Further initialisation
    menu_image = resource.Load_Image("mainmenu.jpg")

    if ( menu_image.get_rect().width != width ):
        menu_image = pygame.transform.scale(menu_image, (width, height))

    stats.Set_Font_Scale(config.cfg.font_scale)

    main_menu = current_menu = menu.Menu([ 
                (None, None, []),
                (MENU_TUTORIAL, "Play Tutorial", []),
                (MENU_NEW_GAME, "Play New Game", []),
                (MENU_LOAD, "Restore Game", []),
                (None, None, []),
                (MENU_RES, "Set Graphics Resolution", []),
                (MENU_MUTE, "Toggle Sound", []),
                (MENU_MANUAL, "View Manual", []),
                (MENU_UPDATES, "Check for Updates", []),
                (None, None, []),
                (MENU_QUIT, "Exit to " + extra.Get_OS(), 
                    [ K_ESCAPE , K_F10 ])])
    resolution_menu = menu.Menu( 
                [(None, None, [])] + [
                (w, "%u x %u" % (w,h), [])
                    for (w, h, fs) in RESOLUTIONS ] +
                [(None, None, []),
                (-1, "Cancel", [])])
    difficulty_menu = menu.Menu( 
                [(None, None, []),
                (MENU_TUTORIAL, "Tutorial", []),
                (None, None, []),
                (MENU_BEGINNER, "Beginner", []),
                (MENU_INTERMEDIATE, "Intermediate", []),
                (MENU_EXPERT, "Expert", []),
                (None, None, []),
                (MENU_PEACEFUL, "Peaceful", []),
                (None, None, []),
                (-1, "Cancel", [])])

    copyright = [ name,
            "Copyright (C) Jack Whitham 2006-11 - website: www.jwhitham.org",
            None,
            "Game version " + config.CFG_VERSION ]

    # off we go.

    quit = False
    while ( not quit ):
        # Main menu
        screen.fill((0,0,0))
        screen.blit(menu_image, (0,0))
      
        y = 5
        sz = 11
        for text in copyright:
            if ( text == None ):
                sz = 7
                continue
            img = stats.Get_Font(sz).render(text, True, (200, 200, 128))
            img_r = img.get_rect()
            img_r.center = (( width * 3 ) / 4, 0)
            img_r.clamp_ip(screen.get_rect())
            img_r.top = y
            screen.blit(img, img_r.topleft)
            y += img_r.height
       
        (quit, cmd) = extra.Simple_Menu_Loop(screen, current_menu,
                (( width * 3 ) / 4, 10 + ( height / 2 )))

        if ( current_menu == main_menu ):
            if ( cmd == MENU_NEW_GAME ):
                current_menu = difficulty_menu

            elif ( cmd == MENU_TUTORIAL ):
                quit = game.Main_Loop(screen, clock, 
                        (width,height), None, MENU_TUTORIAL)

            elif ( cmd == MENU_LOAD ):
                current_menu = save_menu.Save_Menu(False)

            elif ( cmd == MENU_QUIT ):
                quit = True

            elif ( cmd == MENU_MUTE ):
                config.cfg.mute = not config.cfg.mute
                return False # update menu

            elif ( cmd == MENU_RES ):
                current_menu = resolution_menu

            elif ( cmd == MENU_UPDATES ):
                if Update_Feature(screen, menu_image):
                    url = ( CGISCRIPT + "v=" +
                            startup.Get_Game_Version() )

                    pygame.display.iconify()
                    try:
                        webbrowser.open(url, True, True)
                    except:
                        pass

            elif ( cmd == MENU_MANUAL ):
                pygame.display.iconify()
                if os.path.isfile(DEB_MANUAL):
                    # Debian manual present
                    url = 'file://' + DEB_MANUAL
                else:
                    base = os.path.abspath(resource.Path(os.path.join("..", 
                            "manual", "index.html")))
                    if os.path.isfile(base):
                        # Upstream package manual present
                        url = 'file://' + base
                    else:
                        # No manual? Redirect to website.
                        url = 'http://www.jwhitham.org/20kly/'

                try:
                    webbrowser.open(url, True, True)
                except:
                    pass
                
                
        elif ( cmd != None ):
            if ( current_menu == resolution_menu ):
                for (w, h, fs) in RESOLUTIONS:
                    if ( w == cmd ):
                        config.cfg.resolution = (w, h)
                        config.cfg.font_scale = fs
                        # change res - don't quit
                        return False

            elif ( current_menu == difficulty_menu ):
                if ( cmd >= 0 ):
                    quit = game.Main_Loop(screen, clock, 
                            (width,height), None, cmd)

            else: # Load menu
                if ( cmd >= 0 ):
                    # Start game from saved position
                    quit = game.Main_Loop(screen, clock, 
                            (width,height), cmd, None)

            current_menu = main_menu 

    return True

def Update_Feature(screen, menu_image):
    def Message(msg_list):
        screen.blit(menu_image, (0,0))

        y = screen.get_rect().centery
        for msg in msg_list:
            img_1 = stats.Get_Font(24).render(msg, True, (255, 255, 255))
            img_2 = stats.Get_Font(24).render(msg, True, (0, 0, 0))
            img_r = img_1.get_rect()
            img_r.centerx = screen.get_rect().centerx
            img_r.centery = y
            screen.blit(img_2, img_r.topleft)
            screen.blit(img_1, img_r.move(2,-2).topleft)
            y += img_r.height
        pygame.display.flip()

    def Finish(cerror=None):
        if ( cerror != None ):
            Message(["Connection error:", cerror])

        ok = True
        timer = 4000
        while (( ok ) and ( timer > 0 )):
            e = pygame.event.poll()
            while ( e.type != NOEVENT ):
                if (( e.type == MOUSEBUTTONDOWN )
                or ( e.type == KEYDOWN )
                or ( e.type == QUIT )):
                    ok = False
                e = pygame.event.poll()

            pygame.time.wait( 40 )
            timer -= 40
   
    Message(["Connecting to Website..."])
    url = ( CGISCRIPT + "a=1" )
    new_version = None
    try:
        f = urllib.urlopen(url)
        new_version = f.readline()
        f.close()
    except Exception, x:
        Finish(str(x))
        return False

    if (( new_version == None )
    or ( type(new_version) != str )
    or ( len(new_version) < 2 )
    or ( len(new_version) > 10 )
    or ( not new_version[ 0 ].isdigit() )
    or ( new_version.find('.') <= 0 )):
        Finish("Version data not found.")
        return False

    new_version = new_version.strip()

    # Protect user from possible malicious tampering
    # via a man-in-the-middle attack. I don't want to 
    # render an unfiltered string.
    for i in new_version:
        if (( i != '.' )
        and ( i != '-' )
        and ( not i.isdigit() )
        and ( not i.isalpha() )):
            Finish("Version data is incorrect.")
            return False

    if ( new_version == startup.Get_Game_Version() ):
        Message(["Your software is up to date!",
            "Thankyou for using the update feature."])
        Finish(None)
        return False

    Message(["New version " + new_version + " is available!",
            "Opening website..."])
    Finish(None)
    return True