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import Config
from Util.CSoundClient import CSoundClient
from Generation.GenerationConstants import GenerationConstants
#----------------------------------------------------------------------
# TODO: extend this hierarchy to include a Note base class
# i.e. Event -> Note -> CSoundNote
# most classes should only deal with Events and Notes,
# and not CSoundNotes
#----------------------------------------------------------------------
#----------------------------------------------------------------------
# An Event subclass that represents a CSound note event
#----------------------------------------------------------------------
class Event:
#-----------------------------------
# initialization
#-----------------------------------
def __init__( self, onset ):
self.onset = onset
#-----------------------------------
# playback (must be implemented by subclasses)
#-----------------------------------
def play( self ):
raise NotImplementedError
#-----------------------------------
# adjustment
#-----------------------------------
def adjustOnset( self, amount ):
self.onset += amount
class CSoundNote( Event ):
#-----------------------------------
# initialization
#-----------------------------------
def __init__( self, onset,
pitch,
amplitude,
pan,
duration,
trackID,
fullDuration = False,
instrument = Config.FLUTE,
attack = 0.002,
decay = 0.098,
reverbSend = 0.1,
filterType = 0,
filterCutoff = 1000,
tied = False,
overlap = False,
instrumentFlag = Config.FLUTE ):
Event.__init__( self, onset )
self.onset = onset
self.pitch = pitch
self.amplitude = amplitude
self.pan = pan
self.duration = duration
self.trackID = trackID
self.instrument = instrument
self.fullDuration = fullDuration
self.attack = attack
self.decay = decay
self.reverbSend = reverbSend
self.filterType = filterType
self.filterCutoff = filterCutoff
self.tied = tied
self.overlap = overlap
if self.instrument == 'drum1kit':
self.instrumentFlag = Config.DRUM1INSTRUMENTS[ self.pitch ]
else:
self.instrumentFlag = self.instrument
def __getstate__(self):
return {'pitch': self.pitch,
'amplitude': self.amplitude,
'pan': self.pan,
'duration': self.duration,
'trackID': self.trackID,
'instrument': self.instrument,
'fullDuration': self.fullDuration,
'attack': self.attack,
'decay': self.decay,
'reverbSend': self.reverbSend,
'filterType': self.filterType,
'filterCutoff': self.filterCutoff,
'onset': self.onset,
'tied': self.tied,
'overlap': self.overlap,
'instrumentFlag': self.instrumentFlag }
def __setstate__(self,dict):
Event.__init__(self, dict['onset'])
self.pitch = dict['pitch']
self.amplitude = dict['amplitude']
self.pan = dict['pan']
self.duration = dict['duration']
self.trackID = dict['trackID']
self.instrument = dict['instrument']
self.fullDuration = dict['fullDuration']
self.attack = dict['attack']
self.decay = dict['decay']
self.reverbSend = dict['reverbSend']
self.filterType = dict['filterType']
self.filterCutoff = dict['filterCutoff']
self.tied = dict['tied']
self.overlap = dict['overlap']
self.instrumentFlag = dict['instrumentFlag']
def clone( self ):
return CSoundNote( self.onset, self.pitch, self.amplitude, self.pan,
self.duration, self.trackID, self.fullDuration, self.instrument,
self.attack, self.decay, self.reverbSend, self.filterType, self.filterCutoff, self.tied, self.overlap, self.instrumentFlag )
def play( self ):
CSoundClient.sendText( self.getText(120, 0) )
def getText( self, tempo, delay ):
if self.instrument == 'drum1kit':
if GenerationConstants.DRUMPITCH.has_key( self.pitch ):
print self.pitch
self.pitch = GenerationConstants.DRUMPITCH[ self.pitch ]
self.instrumentFlag = Config.DRUM1INSTRUMENTS[ self.pitch ]
newPitch = 1
else:
self.instrumentFlag = self.instrument
newPitch = pow( GenerationConstants.TWO_ROOT_TWELVE, self.pitch - 36 )
oneTickDuration = (Constants.MS_PER_MINUTE / 1000) / tempo / Constants.TICKS_PER_BEAT
newDuration = oneTickDuration * self.duration
# condition for tied notes
if Config.INSTRUMENTS[ self.instrumentFlag ].csoundInstrumentID == 101 and self.tied and self.fullDuration:
newDuration = -1
# condition for overlaped notes
if Config.INSTRUMENTS[ self.instrumentFlag ].csoundInstrumentID == 102 and self.overlap:
newDuration = oneTickDuration * self.duration + 1.
if True: newAmplitude = self.amplitude * 0.8
else : newAmplitude = self.amplitude * music_volume_get( self.trackID )
newAttack = newDuration * self.attack
if newAttack <= 0.002:
newAttack = 0.002
newDecay = newDuration * self.decay
if newDecay <= 0.002:
newDecay = 0.002
return Config.PLAY_NOTE_COMMAND % ( Config.INSTRUMENTS[ self.instrumentFlag ].csoundInstrumentID,
self.trackID,
delay,
newDuration,
newPitch,
self.reverbSend,
newAmplitude,
self.pan,
Config.INSTRUMENT_TABLE_OFFSET + Config.INSTRUMENTS[ self.instrumentFlag ].instrumentID,
newAttack,
newDecay,
self.filterType,
self.filterCutoff )
#-----------------------------------
# adjustment functions
#-----------------------------------
def adjustDuration( self, amount ):
self.duration += amount
def adjustAmplitude( self, amount ):
self.amplitude += amount
def adjustPitch( self, amount ):
self.pitch += amount
|
