Mercurial > mamba

annotate mamba/engine.py @ 19:6d195a3a4557

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Somewhere for levels to live.
author Simon Cross <hodgestar@gmail.com>
date Sun, 11 Sep 2011 13:59:25 +0200
parents ad2bcbf492bf
children 30d4f3e62bcf
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0196455fa432 Minimal event loop.
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1 """Game engine and top-level game loop."""
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2
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3 import pygame.event
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4 import pygame.display
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5 from pygame.locals import QUIT, USEREVENT
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8 class Engine(object):
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9 def __init__(self):
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10 self._habitat = None
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12 def set_habitat(self, habitat):
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13 self._habitat = habitat
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14
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15 def run(self):
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16 """Game loop."""
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17 get_events = pygame.event.get
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18 flip = pygame.display.flip
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19 surface = pygame.display.get_surface()
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20 while True:
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21 events = get_events()
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22 for ev in events:
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23 if ev.type is QUIT:
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24 return
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25 self._habitat.dispatch(ev)
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26 self._habitat.draw(surface)
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27 flip()
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29
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30 class Habitat(object):
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31 def dispatch(self, ev):
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32 pass
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33
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34 def draw(self, surface):
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35 pass
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37
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38 class UserEvent(object):
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39
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40 utype = "UNKNOWN"
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41
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42 @classmethod
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43 def post(cls, **kws):
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44 ev = pygame.event.Event(USEREVENT, utype=cls.utype, **kws)
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45 pygame.event.post(ev)
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46
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47 @classmethod
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48 def matches(cls, ev):
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49 return ev.type is USEREVENT and ev.utype == cls.utype