Mercurial > pyntnclick

annotate pyntnclick/main.py @ 784:29c5badeef98 pyntnclick

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Use getdefaultlocale, with a envvar list, so that it'll take LANGUAGE first, over LANG
author Stefano Rivera <stefano@rivera.za.net>
date Sat, 26 Jan 2013 19:31:03 +0200
parents 6a3440c8be8d
children cb71ad1fb64b
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0
f2c3b516741b Theme is 'Caught'. Start with Skellington 1.9.
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1 '''Game main module.
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2
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3 Contains the entry point used by the run_game.py script.
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4
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5 '''
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6 import sys
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7 import gettext
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8 import locale
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9 from optparse import OptionParser
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10
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11 import pygame
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12 from pygame.locals import SWSURFACE
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13
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14 from pyntnclick.i18n import _
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15 from pyntnclick.engine import Engine
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16 from pyntnclick.gamescreen import DefMenuScreen, DefEndScreen, GameScreen
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17 from pyntnclick.constants import GameConstants, DEBUG_ENVVAR
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18 from pyntnclick.resources import Resources
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19 from pyntnclick.sound import Sound
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20 from pyntnclick import state
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21
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22 from pyntnclick.tools.rect_drawer import (RectEngine, RectDrawerError,
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23 make_rect_display)
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24 from pyntnclick.tools.utils import list_scenes
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25
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27 class GameDescriptionError(Exception):
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28 """Raised when an GameDescription is invalid."""
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29
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30
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31 class GameDescription(object):
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32
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33 # initial scene for start of game (unless overridden by debug)
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34 INITIAL_SCENE = None
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35
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36 # list of game scenes
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37 SCENE_LIST = None
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38
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39 # starting menu
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40 SCREENS = {
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41 'menu': DefMenuScreen,
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42 'end': DefEndScreen,
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43 }
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44
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45 START_SCREEN = 'menu'
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46
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47 # Modules
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48 RESOURCE_MODULE = 'data'
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49 SCENE_MODULE = 'gamelib.scenes'
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50
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51 def __init__(self):
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52 if self.INITIAL_SCENE is None:
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53 raise GameDescriptionError("A game must have an initial scene.")
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54 if not self.SCENE_LIST:
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55 raise GameDescriptionError("A game must have a non-empty list"
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56 " of scenes.")
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57 if 'game' in self.SCREENS:
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58 raise GameDescriptionError("The 'game' screen is reserved for the"
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59 " game itself.")
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60 self._initial_scene = self.INITIAL_SCENE
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61 self._scene_list = self.SCENE_LIST
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62 self._resource_module = self.RESOURCE_MODULE
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63 self._debug_rects = False
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64 self._screens = self.SCREENS.copy()
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65 self._screens['game'] = GameScreen
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66 self.constants = self.game_constants()
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67
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68 locale.setlocale(locale.LC_ALL, "")
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69 lang = locale.getdefaultlocale(['LANGUAGE', 'LC_ALL', 'LC_CTYPE',
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70 'LANG'])[0]
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71 if lang and '_' in lang:
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72 lang = lang.split('_', 1)[0]
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73 self.resource = Resources(self._resource_module, lang)
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74 gettext.bindtextdomain(self.constants.i18n_name,
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75 self.resource.get_resource_path('locale'))
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76 gettext.textdomain(self.constants.i18n_name)
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77
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78 self.sound = Sound(self.resource)
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79 self.debug_options = []
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80 self.running = False
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81
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82 def initial_state(self):
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83 """Create a copy of the initial game state."""
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84 initial_state = state.Game(self)
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85 initial_state.set_debug_rects(self._debug_rects)
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86 for scene in self._scene_list:
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87 initial_state.load_scenes(scene)
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88 initial_state.change_scene(self._initial_scene)
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89 return initial_state
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90
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91 def game_state(self):
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92 return state.GameState()
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93
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94 def game_constants(self):
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95 return GameConstants()
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96
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97 def option_parser(self):
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98 parser = OptionParser()
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99 parser.add_option("--no-sound", action="store_false", default=True,
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100 dest="sound", help="disable sound")
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101 # We flag these, so we can warn the user that these require debug mode
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102 self.debug_options = ['--scene', '--no-rects', '--rect-drawer',
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103 '--list-scenes', '--details']
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104 if self.constants.debug:
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105 parser.add_option("--scene", type="str", default=None,
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106 dest="scene", help="initial scene")
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107 parser.add_option("--no-rects", action="store_false", default=True,
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108 dest="rects", help="disable debugging rects")
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109 parser.add_option("--rect-drawer", action="store_true",
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110 default=False, dest="rect_drawer",
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111 help="Launch the rect drawing helper tool. Specify the"
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112 " scene with --scene")
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113 parser.add_option("--list-scenes", action="store_true",
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114 default=False, dest='list_scenes', help="List all scenes"
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115 " that can be used with --scene and exit.")
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116 parser.add_option("--detail", type="str", default=None,
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117 dest="detail", help="Detailed view for rect_drawer")
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118 return parser
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119
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120 def warn_debug(self, option):
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121 """Warn the user that he needs debug mode"""
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122 print '%s is only valid in debug mode' % option
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123 print 'set %s to enable debug mode' % DEBUG_ENVVAR
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124 print
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125
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126 def main(self):
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127 parser = self.option_parser()
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128 # This is a bit hack'ish, but works
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129 if not self.constants.debug:
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130 for option in self.debug_options:
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131 if option in sys.argv:
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132 self.warn_debug(option)
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133 opts, args = parser.parse_args(sys.argv)
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134 pygame.display.init()
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135 pygame.font.init()
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diff changeset
136 if opts.sound:
576
1b1ab71535bd Classify constants, which involves a whole bunch of XXX comments
Stefano Rivera <stefano@rivera.za.net>
parents: 570
diff changeset
137 self.sound.enable_sound(self.constants)
554
99a1420097df Create GameDescription object.
Simon Cross <hodgestar+bzr@gmail.com>
parents: 553
diff changeset
138 else:
564
2f7aa3cad77c Sound hackery
Neil Muller <neil@dip.sun.ac.za>
parents: 560
diff changeset
139 self.sound.disable_sound()
576
1b1ab71535bd Classify constants, which involves a whole bunch of XXX comments
Stefano Rivera <stefano@rivera.za.net>
parents: 570
diff changeset
140 if self.constants.debug:
554
99a1420097df Create GameDescription object.
Simon Cross <hodgestar+bzr@gmail.com>
parents: 553
diff changeset
141 if opts.scene is not None:
99a1420097df Create GameDescription object.
Simon Cross <hodgestar+bzr@gmail.com>
parents: 553
diff changeset
142 # debug the specified scene
99a1420097df Create GameDescription object.
Simon Cross <hodgestar+bzr@gmail.com>
parents: 553
diff changeset
143 self._initial_scene = opts.scene
99a1420097df Create GameDescription object.
Simon Cross <hodgestar+bzr@gmail.com>
parents: 553
diff changeset
144 self._debug_rects = opts.rects
590
a77dd4619176 Fix to work when debug is not enabled
Neil Muller <neil@dip.sun.ac.za>
parents: 589
diff changeset
145 if self.constants.debug and opts.list_scenes:
758
f4853f817a7a Refactor scene listing, to avoid having to create a window
Stefano Rivera <stefano@rivera.za.net>
parents: 750
diff changeset
146 list_scenes(self.SCENE_MODULE, self._scene_list)
589
ebc48b397fd5 Turn rect_drawer into a command line option
Neil Muller <neil@dip.sun.ac.za>
parents: 587
diff changeset
147 sys.exit(0)
590
a77dd4619176 Fix to work when debug is not enabled
Neil Muller <neil@dip.sun.ac.za>
parents: 589
diff changeset
148 if self.constants.debug and opts.rect_drawer:
589
ebc48b397fd5 Turn rect_drawer into a command line option
Neil Muller <neil@dip.sun.ac.za>
parents: 587
diff changeset
149 if opts.scene is None:
ebc48b397fd5 Turn rect_drawer into a command line option
Neil Muller <neil@dip.sun.ac.za>
parents: 587
diff changeset
150 print 'Need to supply a scene to use the rect drawer'
ebc48b397fd5 Turn rect_drawer into a command line option
Neil Muller <neil@dip.sun.ac.za>
parents: 587
diff changeset
151 sys.exit(1)
661
5dc866e1d71d Misc pep8 and pyflakes fixes
Neil Muller <neil@dip.sun.ac.za>
parents: 655
diff changeset
152 make_rect_display()
589
ebc48b397fd5 Turn rect_drawer into a command line option
Neil Muller <neil@dip.sun.ac.za>
parents: 587
diff changeset
153 try:
691
60bf20849231 Fix detail loading in rect_drawer. Improve error reporting when loading fails
Neil Muller <neil@dip.sun.ac.za>
parents: 673
diff changeset
154 self.engine = RectEngine(self, opts.detail)
60bf20849231 Fix detail loading in rect_drawer. Improve error reporting when loading fails
Neil Muller <neil@dip.sun.ac.za>
parents: 673
diff changeset
155 except RectDrawerError, e:
60bf20849231 Fix detail loading in rect_drawer. Improve error reporting when loading fails
Neil Muller <neil@dip.sun.ac.za>
parents: 673
diff changeset
156 print 'RectDrawer failed with: %s' % e
589
ebc48b397fd5 Turn rect_drawer into a command line option
Neil Muller <neil@dip.sun.ac.za>
parents: 587
diff changeset
157 sys.exit(1)
ebc48b397fd5 Turn rect_drawer into a command line option
Neil Muller <neil@dip.sun.ac.za>
parents: 587
diff changeset
158 else:
600
fabce47e542f Stop using albow (at least for the menu). Breaks the world. Please fix it, kthx
Stefano Rivera <stefano@rivera.za.net>
parents: 599
diff changeset
159 pygame.display.set_mode(self.constants.screen, SWSURFACE)
732
4f34b36ee7c5 Add constants subclass to gamelib, and get the title + icon from it
Stefano Rivera <stefano@rivera.za.net>
parents: 692
diff changeset
160 if self.constants.icon:
4f34b36ee7c5 Add constants subclass to gamelib, and get the title + icon from it
Stefano Rivera <stefano@rivera.za.net>
parents: 692
diff changeset
161 pygame.display.set_icon(self.resource.get_image(
4f34b36ee7c5 Add constants subclass to gamelib, and get the title + icon from it
Stefano Rivera <stefano@rivera.za.net>
parents: 692
diff changeset
162 self.constants.icon, basedir='icons'))
4f34b36ee7c5 Add constants subclass to gamelib, and get the title + icon from it
Stefano Rivera <stefano@rivera.za.net>
parents: 692
diff changeset
163 if self.constants.title:
782
6a3440c8be8d The title needs to be lazily translated. It's evaluated before we set up gettext
Stefano Rivera <stefano@rivera.za.net>
parents: 772
diff changeset
164 title = _(self.constants.title).encode('utf-8')
6a3440c8be8d The title needs to be lazily translated. It's evaluated before we set up gettext
Stefano Rivera <stefano@rivera.za.net>
parents: 772
diff changeset
165 pygame.display.set_caption(title)
589
ebc48b397fd5 Turn rect_drawer into a command line option
Neil Muller <neil@dip.sun.ac.za>
parents: 587
diff changeset
166
608
a25cd1c6335a Pass screens through engine by name
Neil Muller <neil@dip.sun.ac.za>
parents: 603
diff changeset
167 self.engine = Engine(self)
a25cd1c6335a Pass screens through engine by name
Neil Muller <neil@dip.sun.ac.za>
parents: 603
diff changeset
168 # Initialize the special screens in the engine
614
974cc69d3762 Special cases aren't special enough to be named special.
Simon Cross <hodgestar+bzr@gmail.com>
parents: 613
diff changeset
169 for name, cls in self._screens.iteritems():
608
a25cd1c6335a Pass screens through engine by name
Neil Muller <neil@dip.sun.ac.za>
parents: 603
diff changeset
170 screen = cls(self)
a25cd1c6335a Pass screens through engine by name
Neil Muller <neil@dip.sun.ac.za>
parents: 603
diff changeset
171 self.engine.add_screen(name, screen)
600
fabce47e542f Stop using albow (at least for the menu). Breaks the world. Please fix it, kthx
Stefano Rivera <stefano@rivera.za.net>
parents: 599
diff changeset
172 # Should we allow the menu not to be the opening screen?
608
a25cd1c6335a Pass screens through engine by name
Neil Muller <neil@dip.sun.ac.za>
parents: 603
diff changeset
173 self.engine.set_screen(self.START_SCREEN)
107
5213b45fcc7e Initial event sound support
Neil Muller <neil@dip.sun.ac.za>
parents: 105
diff changeset
174 try:
608
a25cd1c6335a Pass screens through engine by name
Neil Muller <neil@dip.sun.ac.za>
parents: 603
diff changeset
175 self.engine.run()
554
99a1420097df Create GameDescription object.
Simon Cross <hodgestar+bzr@gmail.com>
parents: 553
diff changeset
176 except KeyboardInterrupt:
99a1420097df Create GameDescription object.
Simon Cross <hodgestar+bzr@gmail.com>
parents: 553
diff changeset
177 pass