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annotate gamelib/sound.py @ 97:529a4d41c67a

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Rather use sound playing (we don't need to stream sound effects from disk), and cache sounds
author David Fraser <davidf@sjsoft.com>
date Wed, 02 Sep 2009 11:52:02 +0000
parents 23a8b2e49e9f
children f5d56688943b
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23a8b2e49e9f Added ability to initialize sound and play sounds, and handle sound not working / file being missing etc
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1 import os
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2 import pygame
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4 import data
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5 import constants
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7 SOUND_INITIALIZED = False
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8
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9 def init_sound():
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10 """initialize the sound system"""
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11 global SOUND_INITIALIZED
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12 try:
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13 pygame.mixer.init(constants.FREQ, constants.BITSIZE, constants.CHANNELS, constants.BUFFER)
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14 SOUND_INITIALIZED = True
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15 except pygame.error, exc:
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16 print >>sys.stderr, "Could not initialize sound system: %s" % exc
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18 SOUND_CACHE = {}
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20 def play_sound(filename):
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21 """plays the sound with the given filename from the data sounds directory"""
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22 if not SOUND_INITIALIZED:
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23 return
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24 file_path = data.filepath("sounds", filename)
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25 sound = SOUND_CACHE.get(file_path, None)
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26 if not sound:
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27 if not os.path.exists(file_path):
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28 return
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29 SOUND_CACHE[file_path] = sound = pygame.mixer.Sound(file_path)
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30 sound.play()
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