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annotate gamelib/main.py @ 176:c6ea3b11514c

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Add --scene for selecting initial scene during debugging.
author Simon Cross <simon@simonx>
date Wed, 25 Aug 2010 13:56:38 +0200
parents 7f6b11a0d404
children 3cedc4f95925
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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
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7 # Albow looks for stuff in os.path[0], which isn't always where it expects.
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8 # The following horribleness fixes this.
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9 import sys
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10 import os.path
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11 right_path = os.path.dirname(os.path.dirname(__file__))
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12 sys.path.insert(0, right_path)
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13 from optparse import OptionParser
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15 import pygame
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16 from pygame.locals import SWSURFACE
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17 from albow.dialogs import alert
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18 from albow.shell import Shell
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20 from menu import MenuScreen
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21 from gamescreen import GameScreen
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22 from constants import SCREEN, FRAME_RATE, FREQ, BITSIZE, CHANNELS, BUFFER, DEBUG
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23 from sound import no_sound, disable_sound
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24 import state
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26 def parse_args(args):
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27 parser = OptionParser()
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28 parser.add_option("--no-sound", action="store_false", default=True,
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29 dest="sound", help="disable sound")
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30 if DEBUG:
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31 parser.add_option("--scene", type="str", default=None,
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32 dest="scene", help="initial scene")
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33 opts, _ = parser.parse_args(args or [])
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34 return opts
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36
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37 class MainShell(Shell):
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38 def __init__(self, display):
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39 Shell.__init__(self, display)
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40 self.menu_screen = MenuScreen(self)
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41 self.game_screen = GameScreen(self)
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42 self.set_timer(FRAME_RATE)
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43 self.show_screen(self.menu_screen)
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45 def main():
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46 opts = parse_args(sys.argv)
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47 pygame.display.init()
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48 pygame.font.init()
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49 if opts.sound:
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50 try:
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51 pygame.mixer.init(FREQ, BITSIZE, CHANNELS, BUFFER)
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52 except pygame.error, exc:
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53 no_sound(exc)
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54 else:
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55 # Ensure get_sound returns nothing, so everything else just works
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56 disable_sound()
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57 if DEBUG and opts.scene is not None:
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58 # debug the specified scene
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59 state.DEBUG_SCENE = opts.scene
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60 display = pygame.display.set_mode(SCREEN, SWSURFACE)
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61 shell = MainShell(display)
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62 try:
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63 shell.run()
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64 except KeyboardInterrupt:
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65 pass
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