Mercurial > mamba
annotate mamba/sound.py @ 285:cacc03748580
Move world initialisation to restart
| author | Stefano Rivera <stefano@rivera.za.net> |
|---|---|
| date | Thu, 15 Sep 2011 23:02:47 +0200 |
| parents | cad653e4f59c |
| children | cd544a311f11 |
| rev | line source |
|---|---|
| 30 | 1 """Basic sound frame-work""" |
| 2 | |
| 3 from pygame import mixer | |
| 4 import pygame | |
|
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pygame.mixer.Sound, I mildly dislikes you, I does
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5 import os.path |
| 30 | 6 |
| 7 from mamba import data | |
| 8 from mamba.constants import FREQ, BITSIZE, CHANNELS, BUFFER | |
| 9 | |
| 10 # Global constant for holding the initialised sound system | |
| 11 _SOUND_SYSTEM = None | |
| 12 | |
| 13 | |
| 14 # Utility functions, used elsewhere | |
| 15 def load_sound(key, track_name, volume=None): | |
| 16 if _SOUND_SYSTEM is not None: | |
| 17 _SOUND_SYSTEM.load_sound(key, track_name, volume) | |
| 18 | |
| 19 | |
| 20 def play_sound(key): | |
| 21 if _SOUND_SYSTEM is not None: | |
| 22 _SOUND_SYSTEM.play_sound(key) | |
| 23 | |
| 24 | |
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parents:
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25 def play_music(track_name, volume=1.0): |
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parents:
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26 if _SOUND_SYSTEM is not None: |
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parents:
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27 _SOUND_SYSTEM.play_background_music(track_name, volume) |
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908c9d5597f9
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parents:
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28 |
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parents:
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29 |
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Provide more utility functions in sound.py
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parents:
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30 def stop_sound(): |
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parents:
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31 """Stop sounds and music""" |
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parents:
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32 if _SOUND_SYSTEM is not None: |
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parents:
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33 _SOUND_SYSTEM.stop_sounds() |
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parents:
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34 _SOUND_SYSTEM.stop_music() |
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908c9d5597f9
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Neil Muller <drnlmuller@gmail.com>
parents:
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35 |
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908c9d5597f9
Provide more utility functions in sound.py
Neil Muller <drnlmuller@gmail.com>
parents:
30
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36 |
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parents:
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37 def pause_music(): |
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parents:
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38 """Pause backgroun music""" |
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908c9d5597f9
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parents:
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39 if _SOUND_SYSTEM is not None: |
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908c9d5597f9
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parents:
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40 _SOUND_SYSTEM.pause_music() |
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908c9d5597f9
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parents:
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41 |
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parents:
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42 |
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43 def resume_music(): |
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parents:
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44 """Unpause music""" |
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908c9d5597f9
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Neil Muller <drnlmuller@gmail.com>
parents:
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changeset
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45 if _SOUND_SYSTEM is not None: |
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908c9d5597f9
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parents:
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46 _SOUND_SYSTEM.resume_music() |
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908c9d5597f9
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Neil Muller <drnlmuller@gmail.com>
parents:
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47 |
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908c9d5597f9
Provide more utility functions in sound.py
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parents:
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changeset
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48 |
| 30 | 49 class SoundSystem(object): |
| 50 | |
| 51 def __init__(self, sound_on): | |
| 52 global _SOUND_SYSTEM | |
| 53 self.sound_enabled = False | |
| 54 if _SOUND_SYSTEM is not None: | |
| 55 # We've been initialised, so skip out | |
| 56 return | |
| 57 if sound_on: | |
| 58 try: | |
| 59 mixer.init(FREQ, BITSIZE, CHANNELS, BUFFER) | |
| 60 test_sound = mixer.Sound(data.filepath('sounds/silence.ogg')) | |
| 61 test_sound.play() | |
| 62 self.sound_enabled = True | |
| 63 except pygame.error: | |
| 64 print 'Unable to enable sound. Continuing without sound' | |
| 65 self.sound_enabled = False | |
| 66 self._sounds = {} | |
| 67 _SOUND_SYSTEM = self | |
| 68 | |
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Provide more utility functions in sound.py
Neil Muller <drnlmuller@gmail.com>
parents:
30
diff
changeset
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69 def play_background_music(self, track_name, volume): |
| 30 | 70 """Play a looping track using pygame's music support""" |
| 71 if self.sound_enabled: | |
| 72 try: | |
| 73 mixer.music.load(data.filepath(track_name)) | |
| 74 mixer.music.play(-1) # Loop sound | |
| 75 mixer.music.set_volume(volume) | |
| 76 except: | |
| 77 print 'Unable to load track %s. Skipping' % track_name | |
| 78 | |
| 79 def stop_music(self): | |
| 80 """Stop music""" | |
| 81 if self.sound_enabled: | |
| 82 mixer.music.stop() | |
| 83 | |
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908c9d5597f9
Provide more utility functions in sound.py
Neil Muller <drnlmuller@gmail.com>
parents:
30
diff
changeset
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84 def load_sound(self, key, track_name, volume): |
| 30 | 85 """Load sounds so we can play them later""" |
| 86 if key in self._sounds: | |
| 87 # Ignore multiple keys | |
| 88 return | |
| 89 if not self.sound_enabled: | |
| 90 self._sounds[key] = None | |
| 91 else: | |
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280
cad653e4f59c
pygame.mixer.Sound, I mildly dislikes you, I does
Neil Muller <drnlmuller@gmail.com>
parents:
36
diff
changeset
|
92 if not os.path.exists(data.filepath(track_name)): |
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cad653e4f59c
pygame.mixer.Sound, I mildly dislikes you, I does
Neil Muller <drnlmuller@gmail.com>
parents:
36
diff
changeset
|
93 # Pygame doesn't error out for missing files, so |
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cad653e4f59c
pygame.mixer.Sound, I mildly dislikes you, I does
Neil Muller <drnlmuller@gmail.com>
parents:
36
diff
changeset
|
94 # handle that ourselves |
|
cad653e4f59c
pygame.mixer.Sound, I mildly dislikes you, I does
Neil Muller <drnlmuller@gmail.com>
parents:
36
diff
changeset
|
95 print "Can't find sound %s. Skipping" % track_name |
|
cad653e4f59c
pygame.mixer.Sound, I mildly dislikes you, I does
Neil Muller <drnlmuller@gmail.com>
parents:
36
diff
changeset
|
96 self._sounds[key] = None |
|
cad653e4f59c
pygame.mixer.Sound, I mildly dislikes you, I does
Neil Muller <drnlmuller@gmail.com>
parents:
36
diff
changeset
|
97 return |
| 30 | 98 try: |
| 99 self._sounds[key] = pygame.mixer.Sound( | |
| 100 data.filepath(track_name)) | |
| 101 if volume is not None: | |
| 102 self._sounds[key].set_volume(volume) | |
| 103 except: | |
| 104 print 'Unable to load sound %s. Skipping' % track_name | |
| 105 self._sounds[key] = None | |
| 106 | |
| 107 def play_sound(self, key): | |
| 108 """Play the sound""" | |
| 109 sound = self._sounds.get(key, None) | |
| 110 if sound: | |
| 111 sound.play() | |
| 112 | |
| 113 def stop_sounds(self): | |
| 114 """Stop any playing sounds""" | |
| 115 if self.sound_enabled: | |
| 116 mixer.stop() | |
| 117 | |
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36
908c9d5597f9
Provide more utility functions in sound.py
Neil Muller <drnlmuller@gmail.com>
parents:
30
diff
changeset
|
118 def pause_music(self): |
| 30 | 119 """Pause music""" |
| 120 if self.sound_enabled: | |
| 121 mixer.music.pause() | |
| 122 | |
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36
908c9d5597f9
Provide more utility functions in sound.py
Neil Muller <drnlmuller@gmail.com>
parents:
30
diff
changeset
|
123 def resume_music(self): |
| 30 | 124 """Resume paused music""" |
| 125 if self.sound_enabled: | |
| 126 mixer.music.unpause() |