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add listenerNode

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This commit is contained in:
Redmond Urbino 2007-03-02 03:17:35 +00:00
parent b8e112e3ba
commit 9e1f6e25c5
2 changed files with 44 additions and 20 deletions
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16
direct/src/interval/SoundInterval.py
View File

@ -28,9 +28,11 @@ class SoundInterval(Interval.Interval):
# the sound is caused by the delay between the end of the sound # the sound is caused by the delay between the end of the sound
# and the next taskMgr cycle). There still seems to be a skip # and the next taskMgr cycle). There still seems to be a skip
# in Miles when looping MP3s. =( # in Miles when looping MP3s. =(
# RAU 03/01/07 add listenerNode in case we dont want to
# use base.camera as the listener, node must not be None
def __init__(self, sound, loop = 0, duration = 0.0, name = None, def __init__(self, sound, loop = 0, duration = 0.0, name = None,
volume = 1.0, startTime = 0.0, node=None, volume = 1.0, startTime = 0.0, node=None,
seamlessLoop=True): seamlessLoop=True, listenerNode = None):
"""__init__(sound, loop, name) """__init__(sound, loop, name)
""" """
# Generate unique name # Generate unique name
@ -46,6 +48,7 @@ class SoundInterval(Interval.Interval):
self.volume = volume self.volume = volume
self.startTime = startTime self.startTime = startTime
self.node = node self.node = node
self.listenerNode = listenerNode
self._seamlessLoop = seamlessLoop self._seamlessLoop = seamlessLoop
if self._seamlessLoop: if self._seamlessLoop:
self._fLoop = True self._fLoop = True
@ -88,7 +91,8 @@ class SoundInterval(Interval.Interval):
t1 = 0.0 t1 = 0.0
if (t1 < self.soundDuration) and not (self._seamlessLoop and self._soundPlaying): if (t1 < self.soundDuration) and not (self._seamlessLoop and self._soundPlaying):
base.sfxPlayer.playSfx( base.sfxPlayer.playSfx(
self.sound, self.fLoop, 1, self.volume, t1, self.node) self.sound, self.fLoop, 1, self.volume, t1, self.node,
listenerNode = self.listenerNode)
self._soundPlaying = True self._soundPlaying = True
self.state = CInterval.SStarted self.state = CInterval.SStarted
self.currT = t self.currT = t
@ -99,7 +103,13 @@ class SoundInterval(Interval.Interval):
t1 = t + self.startTime t1 = t + self.startTime
if t1 < self.soundDuration: if t1 < self.soundDuration:
base.sfxPlayer.playSfx( base.sfxPlayer.playSfx(
self.sound, self.fLoop, 1, self.volume, t1, self.node) self.sound, self.fLoop, 1, self.volume, t1, self.node,
listenerNode = self.listenerNode)
if self.listenerNode and not self.listenerNode.isEmpty() and \
self.node and not self.node.isEmpty():
base.sfxPlayer.setFinalVolume(self.sound, self.node, self.volume,
self.listenerNode)
self.state = CInterval.SStarted self.state = CInterval.SStarted
self.currT = t self.currT = t

48
direct/src/showbase/SfxPlayer.py
View File

@ -35,16 +35,24 @@ class SfxPlayer:
# this is a scale factor to convert distances so that a sound # this is a scale factor to convert distances so that a sound
# located at self.cutoffDistance will have a volume # located at self.cutoffDistance will have a volume
# of self.cutoffVolume # of self.cutoffVolume
self.distanceScale = rawCutoffDistance / self.cutoffDistance self.distanceScale = rawCutoffDistance / self.cutoffDistance
def getLocalizedVolume(self, node): def getCutoffDistance(self):
"""Return the curent cutoff distance."""
return self.cutoffDistance
def getLocalizedVolume(self, node, listenerNode = None):
""" """
Get the volume that a sound should be played at if it is Get the volume that a sound should be played at if it is
localized at this node. We compute this wrt the camera localized at this node. We compute this wrt the camera
or to listenerNode.
""" """
d = None d = None
if not node.isEmpty(): if not node.isEmpty():
d = node.getDistance(base.cam) if listenerNode and not listenerNode.isEmpty():
d = node.getDistance(listenerNode)
else:
d = node.getDistance(base.cam)
if d == None or d > self.cutoffDistance: if d == None or d > self.cutoffDistance:
volume = 0 volume = 0
else: else:
@ -59,25 +67,31 @@ class SfxPlayer:
def playSfx( def playSfx(
self, sfx, looping = 0, interrupt = 1, volume = None, self, sfx, looping = 0, interrupt = 1, volume = None,
time = 0.0, node=None): time = 0.0, node=None, listenerNode = None):
if sfx: if sfx:
# If we have either a node or a volume, we need to adjust the sfx self.setFinalVolume(sfx, node, volume, listenerNode)
# The volume passed in multiplies the distance base volume
if node or (volume is not None):
if node:
finalVolume = self.getLocalizedVolume(node)
else:
finalVolume = 1
if volume is not None:
finalVolume *= volume
if node is not None:
finalVolume *= node.getNetAudioVolume()
sfx.setVolume(finalVolume)
# dont start over if it's already playing, unless # dont start over if it's already playing, unless
# "interrupt" was specified # "interrupt" was specified
if interrupt or (sfx.status() != AudioSound.PLAYING): if interrupt or (sfx.status() != AudioSound.PLAYING):
sfx.setTime(time) sfx.setTime(time)
sfx.setLoop(looping) sfx.setLoop(looping)
sfx.play() sfx.play()
def setFinalVolume(self, sfx, node, volume, listenerNode):
"""Calculate the final volume based on all contributed factors."""
# If we have either a node or a volume, we need to adjust the sfx
# The volume passed in multiplies the distance base volume
if node or (volume is not None):
if node:
finalVolume = self.getLocalizedVolume(node, listenerNode)
else:
finalVolume = 1
if volume is not None:
finalVolume *= volume
if node is not None:
finalVolume *= node.getNetAudioVolume()
sfx.setVolume(finalVolume)