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import pickle
import time
from TrackPlayerBase import TrackPlayerBase
from Framework.Constants import Constants
from Framework.CSound.CSoundConstants import CSoundConstants
from Framework.Generation.Generator import GenerationParameters
class PagePlayer( TrackPlayerBase ):
DEFAULT_BEATS_PER_PAGE = 4
def __init__( self, trackIDs, updateTickCallback, updatePageCallback ):
TrackPlayerBase.__init__( self, trackIDs )
self.updatePageCallback = updatePageCallback
self.updateTickCallback = updateTickCallback
#to pickle
self.beatsPerPage = self.DEFAULT_BEATS_PER_PAGE
self.pageBeatsDictionary = {}
self.trackIDs = trackIDs
self.tunePages = [] #list of pageID keys
self.currentPageIndex = -1
self.currentPageID = -1
self.trackDictionary = {} #map [ trackID : [ pageID : events ] ]
self.selectedPageIDs = set()
self.pageDictionary = {} #map: [ pageID : [ onset : events ] ]
self.playingTune = False
self.needPageCall = False
#initialize dictionary
for trackID in trackIDs:
self.trackDictionary[ trackID ] = {}
def addPage( self, pageID ):
self.pageDictionary[ pageID ] = {}
self.pageBeatsDictionary[ pageID ] = self.DEFAULT_BEATS_PER_PAGE
for trackID in self.trackIDs:
self.trackDictionary[ trackID ][ pageID ] = []
def setPage( self, index, pageID ):
self.tunePageOrder[ index ] = pageID
def getTunePages( self ):
return self.tunePages
def setCurrentPageIndex( self, pageIndex ):
if self.currentPageIndex != pageIndex:
self.currentPageIndex = pageIndex
self.eventDictionary = self.pageDictionary[ self.tunePages[ pageIndex ] ]
#NOTE: this function is so slow (60ms on my machine), and runs in X (high priority)
# that it fux up playback
# we use this flag to put off updating the page until hookClock
self.needPageCall = True
def setPlayPage( self, pageID ):
self.playingTune = False
self.currentPageID = pageID
self.updatePageDictionary()
self.updatePageCallback()
def setPlayTune( self, pageIndex ):
self.playingTune = True
self.currentPageIndex = pageIndex
self.updatePageDictionary()
self.updatePageCallback()
def getSelectedPageIDs( self ):
return self.selectedPageIDs
#-----------------------------------
# playback overrides
#-----------------------------------
def hookTick( self ) :
#pass up the hierarchy
TrackPlayerBase.hookTick( self )
if self.currentTick >= Constants.TICKS_PER_BEAT * self.getBeats():
#reset to a new page
self.currentTick = 0
if self.playingTune:
if self.currentPageIndex >= len( self.tunePages ) - 1:
self.setCurrentPageIndex( 0 )
else:
self.setCurrentPageIndex( self.currentPageIndex + 1 )
# print 'hookTick: tunePages', self.tunePages
# print 'hookTick: self.currentPageIndex', self.tunePages
def hookClock( self ):
TrackPlayerBase.hookClock( self )
if self.needPageCall:
self.updatePageCallback()
self.needPageCall = False
fraction = float(self.currentTick) / float(Constants.TICKS_PER_BEAT * self.getBeats())
self.updateTickCallback( fraction )
#-----------------------------------
# add/remove/update methods
#-----------------------------------
def addToPage( self, trackID, pageID, event ):
self.addToDictionary( event, self.pageDictionary[ pageID ] )
self.trackDictionary[ trackID ][ pageID ].add( event )
def addMultipleToPage( self, trackID, pageID, events ):
for event in events:
self.addToPage( trackID, pageID, event )
def removePage( self, pageID ):
del self.pageDictionary[ pageID ]
for trackID in self.trackIDs:
del self.trackDictionary[ trackID ][ pageID ]
def removeFromPage( self, trackID, pageID, event ):
self.removeFromDictionary( event, pageDictionary[ pageID ] )
self.trackPageDictionary[ trackID ][ pageID ].remove( event )
def removeMultipleFromPage( self, trackID, pageID, events ):
for event in events:
self.removeFromPage( trackID, pageID, event )
#TODO this should be removed when TrackPlayer (and TrackPlayerBase) get removed
# we should then always call updatePageDictionary
def update( self ):
self.updatePageDictionary()
def updatePageDictionary( self ):
self.clear()
for pageID in self.pageDictionary.keys():
self.pageDictionary[ pageID ].clear()
for trackID in self.trackIDs.difference( self.mutedTrackIDs ):
self.addMultipleToDictionary( self.trackDictionary[ trackID ][ pageID ], self.pageDictionary[ pageID ] )
if self.playingTune:
self.eventDictionary = self.pageDictionary[ self.tunePages[ self.currentPageIndex ] ]
else:
self.eventDictionary = self.pageDictionary[ self.currentPageID ]
def updatePage( self, trackID, pageID, events = [] ):
print 'pagePlayer::updatePage ', pageID
if self.trackDictionary.has_key( trackID ) and self.trackDictionary[ trackID ].has_key( pageID ):
del self.trackDictionary[ trackID ][ pageID ]
self.addPage( trackID, pageID, events )
#-----------------------------------
# tempo/beats-per-page methods
#-----------------------------------
def getBeats( self ):
return self.pageBeatsDictionary[ self.currentPageID ]
def setBeats( self, beats ):
self.setBeatsForPage( self, beats, self.tunePages[ currentPageIndex ] )
def setBeatsPerPage( self, beats, pageID ):
self.pageBeatsDictionary[ pageID ] = beats
#-----------------------------------
# misc methods
#-----------------------------------
def toggleSelectPage( self, pageID ):
toggle( self.selectedPageIDs, pageID )
def getEvents( self, trackID ):
if self.playingTune:
return self.getEventsForPage( trackID, self.tunePages[ self.currentPageIndex ] )
else:
return self.getEventsForPage( trackID, self.currentPageID )
def getEventsForPage( self, trackID, pageID ):
return self.trackDictionary[ trackID ][ pageID ]
# data is a tuple ( trackID, instrumentName )
def setInstrument( self, data ):
trackID = data[0]
instrument = data[1]
self.trackInstruments[ trackID ] = instrument
if self.trackDictionary.has_key( trackID ):
for pageID in self.trackDictionary[ trackID ].keys():
for event in self.getEventsForPage( trackID, pageID ):
event.instrument = instrument
def getTrackInstruments( self ):
return self.trackInstruments
def getTrackDictionary( self ):
return self.trackDictionary
def setTrackDictionary( self, dict):
self.trackDictionary = dict
def getSelectedTrackIDs( self ):
return self.selectedTrackIDs
def getCurrentPageID( self ):
if self.playingTune:
return self.tunePages[ self.currentPageIndex ]
else:
return self.currentPageID
#
# serialization
#
def serialize(self, f):
TrackPlayerBase.serialize(self, f)
pickle.dump( self.pageBeatsDictionary, f )
pickle.dump( self.trackIDs, f )
pickle.dump( self.tunePages, f )
pickle.dump( self.currentPageIndex, f )
pickle.dump( self.currentPageID, f )
pickle.dump( self.trackDictionary, f )
pickle.dump( self.selectedPageIDs, f )
pickle.dump( self.playingTune, f)
print 'PagePlayer::serialize tunePages', self.tunePages
print 'PagePlayer::serialize currentPageIndex', self.currentPageIndex
print 'PagePlayer::serialize currentPageID', self.currentPageID
print 'PagePlayer::serialize playingTune', self.playingTune
def unserialize(self, f):
TrackPlayerBase.unserialize(self, f )
self.pageBeatsDictionary = pickle.load( f )
self.trackIDs = pickle.load( f )
self.tunePages = pickle.load( f )
self.currentPageIndex = pickle.load( f )
self.currentPageID = pickle.load( f )
self.trackDictionary = pickle.load( f )
self.selectedPageIDs = pickle.load( f )
self.playingTune = pickle.load(f)
print 'PagePlayer::unserialize tunePages', self.tunePages
print 'PagePlayer::unserialize currentPageIndex', self.currentPageIndex
print 'PagePlayer::unserialize currentPageID', self.currentPageID
print 'PagePlayer::unserialize playingTune', self.playingTune
self.updatePageDictionary()
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