Mercurial > mamba

annotate mamba/engine.py @ 15:ad2bcbf492bf

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Hook up top-level habitat support.
author Simon Cross <hodgestar@gmail.com>
date Sun, 11 Sep 2011 13:34:18 +0200
parents f5846a46e9c5
children 6d195a3a4557
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12
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 while True:
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20 events = get_events()
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21 for ev in events:
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22 if ev.type is QUIT:
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23 return
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24 self._habitat.dispatch(ev)
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25 self._habitat.draw()
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26 flip()
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28
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29 class Habitat(object):
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30 def dispatch(self, ev):
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31 pass
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32
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33 def draw(self):
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34 pass
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35
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36
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37 class UserEvent(object):
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38
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39 utype = "UNKNOWN"
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40
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41 @classmethod
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42 def post(cls, **kws):
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43 ev = pygame.event.Event(USEREVENT, utype=cls.utype, **kws)
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44 pygame.event.post(ev)
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45
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46 @classmethod
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47 def matches(cls, ev):
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48 return ev.type is USEREVENT and ev.utype == cls.utype