Mercurial > pyntnclick
annotate pyntnclick/sound.py @ 576:1b1ab71535bd pyntnclick
Classify constants, which involves a whole bunch of XXX comments
| author | Stefano Rivera <stefano@rivera.za.net> |
|---|---|
| date | Sat, 11 Feb 2012 16:02:06 +0200 |
| parents | e393954e3749 |
| children | ccc26c23d2c1 |
| rev | line source |
|---|---|
| 107 | 1 # Sound management for Suspended Sentence |
| 2 | |
| 3 # This re-implements some of the albow.resource code to | |
| 4 # a) work around an annoying bugs | |
| 5 # b) add some missing functionality (disable_sound) | |
| 6 | |
|
111
18ffaaaa27e7
Add explicit check for sound file existence (my pygame 1.9 returns a valid sound object even when the path does not exist).
Simon Cross <simon@simonx>
parents:
107
diff
changeset
|
7 import os |
|
18ffaaaa27e7
Add explicit check for sound file existence (my pygame 1.9 returns a valid sound object even when the path does not exist).
Simon Cross <simon@simonx>
parents:
107
diff
changeset
|
8 |
| 123 | 9 import pygame |
| 564 | 10 |
| 11 try: | |
| 12 from pygame.mixer import Sound as pygame_Sound | |
| 13 from pygame.mixer import music | |
| 14 pygame_import_error = None | |
| 15 except ImportError, e: | |
| 16 # Save error, so we don't crash and can do the right thing later | |
| 17 pygame_import_error = e | |
| 18 pygame_Sound = None | |
| 19 music = None | |
| 20 | |
| 21 from pyntnclick.resources import ResourceNotFound | |
| 22 | |
| 154 | 23 import albow.music |
| 107 | 24 |
| 564 | 25 |
| 26 class DummySound(object): | |
| 27 """A dummy sound object. | |
| 28 | |
| 29 This is a placeholder object with the same API as | |
| 30 pygame.mixer.Sound which does nothing. Used when | |
| 31 sounds are disabled so scense don't need to worry | |
| 32 about the details. | |
| 33 | |
| 34 Inpsired by the same idea in Albow (by Greg Ewing)""" | |
| 35 | |
| 565 | 36 def play(self, *args): |
| 37 pass | |
| 564 | 38 |
| 565 | 39 def stop(self): |
| 40 pass | |
| 564 | 41 |
| 565 | 42 def get_length(self): |
| 43 return 0.0 | |
| 564 | 44 |
| 565 | 45 def get_num_channel(self): |
| 46 return 0 | |
| 564 | 47 |
| 565 | 48 def get_volume(self): |
| 49 return 0.0 | |
| 564 | 50 |
| 565 | 51 def fadeout(self, *args): |
| 52 pass | |
| 107 | 53 |
| 534 | 54 |
| 564 | 55 class Sound(object): |
| 56 """Global sound management and similiar useful things""" | |
| 57 | |
| 58 def __init__(self, resource_finder): | |
| 59 self.sound_enabled = False | |
| 60 self.sound_cache = {} | |
| 61 self._resource_finder = resource_finder | |
| 62 | |
|
576
1b1ab71535bd
Classify constants, which involves a whole bunch of XXX comments
Stefano Rivera <stefano@rivera.za.net>
parents:
572
diff
changeset
|
63 def enable_sound(self, constants): |
| 564 | 64 """Attempt to initialise the sound system""" |
| 65 if pygame_Sound is None: | |
| 66 self.disable_sound(pygame_import_error) | |
| 67 return | |
| 107 | 68 try: |
|
576
1b1ab71535bd
Classify constants, which involves a whole bunch of XXX comments
Stefano Rivera <stefano@rivera.za.net>
parents:
572
diff
changeset
|
69 pygame.mixer.init(constants.snd_freq, |
|
1b1ab71535bd
Classify constants, which involves a whole bunch of XXX comments
Stefano Rivera <stefano@rivera.za.net>
parents:
572
diff
changeset
|
70 constants.snd_bitsize, |
|
1b1ab71535bd
Classify constants, which involves a whole bunch of XXX comments
Stefano Rivera <stefano@rivera.za.net>
parents:
572
diff
changeset
|
71 constants.snd_channels, |
|
1b1ab71535bd
Classify constants, which involves a whole bunch of XXX comments
Stefano Rivera <stefano@rivera.za.net>
parents:
572
diff
changeset
|
72 constants.snd_buffer) |
| 564 | 73 self.sound_enabled = True |
| 74 except pygame.error, exc: | |
| 75 self.disable_sound(exc) | |
| 76 | |
| 77 def disable_sound(self, exc=None): | |
| 78 """Disable the sound system""" | |
| 79 self.sound_enabled = False | |
| 80 if exc is not None: | |
| 81 print 'Failed to initialise sound system' | |
| 82 print 'Error: %s' % exc | |
| 83 print 'Sound disabled' | |
| 84 | |
| 85 def get_sound(self, *names): | |
| 86 if not self.sound_enabled: | |
| 565 | 87 return DummySound() |
| 564 | 88 soundfile = os.path.join(names) |
| 89 sound = None | |
| 90 try: | |
| 91 path = self._resource_finder("sounds", soundfile) | |
| 565 | 92 sound = self.sound_cache.get(path, None) |
| 564 | 93 except ResourceNotFound: |
| 94 print "Sound file not found: %s" % soundfile | |
| 95 # Cache failed lookup | |
| 96 sound = DummySound() | |
| 97 self.sound_cache[path] = sound | |
| 98 if sound is None: | |
| 99 try: | |
| 100 sound = pygame_Sound(path) | |
|
570
9c3528c2cbe5
Bug fixes for sound hook-up.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
565
diff
changeset
|
101 except pygame.error: |
| 564 | 102 print "Sound file not found: %s" % soundfile |
| 103 sound = DummySound() | |
| 104 self.sound_cache[path] = sound | |
| 105 return sound | |
| 107 | 106 |
| 564 | 107 def get_playlist(self, pieces, random=False, repeat=False): |
| 108 return albow.music.PlayList(pieces, random, repeat) | |
| 534 | 109 |
| 564 | 110 def get_music(self, name, prefix): |
|
570
9c3528c2cbe5
Bug fixes for sound hook-up.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
565
diff
changeset
|
111 return albow.music.get_music(name, prefix=prefix) |
| 107 | 112 |
| 564 | 113 def change_playlist(self, new_playlist): |
| 114 albow.music.change_playlist(new_playlist) | |
| 154 | 115 |
|
572
e393954e3749
Move get_current_playlist onto sound object
Neil Muller <neil@dip.sun.ac.za>
parents:
570
diff
changeset
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116 def get_current_playlist(): |
|
e393954e3749
Move get_current_playlist onto sound object
Neil Muller <neil@dip.sun.ac.za>
parents:
570
diff
changeset
|
117 if albow.music.music_enabled and albow.music.current_playlist: |
|
e393954e3749
Move get_current_playlist onto sound object
Neil Muller <neil@dip.sun.ac.za>
parents:
570
diff
changeset
|
118 return albow.music.current_playlist |
|
e393954e3749
Move get_current_playlist onto sound object
Neil Muller <neil@dip.sun.ac.za>
parents:
570
diff
changeset
|
119 |
| 565 | 120 |
| 154 | 121 def start_next_music(): |
| 122 """Start playing the next item from the current playlist immediately.""" | |
| 123 if albow.music.music_enabled and albow.music.current_playlist: | |
| 124 next_music = albow.music.current_playlist.next() | |
| 125 if next_music: | |
| 126 #print "albow.music: loading", repr(next_music) | |
| 127 music.load(next_music) | |
| 128 music.play() | |
| 129 albow.music.next_change_delay = albow.music.change_delay | |
| 130 albow.music.current_music = next_music | |
| 131 | |
| 534 | 132 |
| 154 | 133 # Monkey patch |
| 134 albow.music.start_next_music = start_next_music |