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|
import Config
class PARAMETER:
ONSET = 0
PITCH = 1
AMPLITUDE = 2
DURATION = 3
INSTRUMENT = 4
class Note:
def __init__( self, page, track, id, cs ):
self.page = page
self.track = track
self.id = id
self.cs = cs
class Page:
def __init__( self, beats ):
self.beats = beats
self.ticks = beats*Config.TICKS_PER_BEAT
self.nextNoteId = 0 # first note will be 1
def genId( self ):
self.nextNoteId += 1
if self.nextNoteId == 65536: # short
print "note id overflow!"
# TODO think of how to handle this!?
return self.nextNoteId
class PageListener:
def notifyPageAdd( self, id, at ):
pass
def notifyPageDelete( self, which, safe ):
pass
def notifyPageDuplicate( self, new, at ):
pass
def notifyPageMove( self, which, low, high ):
pass
class NoteListener:
def notifyNoteAdd( self, page, track, id ):
pass
def notifyNoteDelete( self, page, track, id ):
pass
def notifyNoteUpdate( self, page, track, id, parameter, value ):
pass
class NoteDB:
def __init__( self ):
self.noteD = {} # bins containing all the notes by page, track, and id
# structure self.noteD[pageId][trackIndex][noteId]
self.noteS = {} # bins containing all the notes by page and track
# first sorted by onset then by pitch (for drum hits)
# structure self.noteS[pageId][trackIndex][noteIndex]
self.pages = {} # dict of Pages indexed by pageId
self.tune = [] # list of pageIds ordered by tune
self.listeners = [] # complete list of listeners
self.pageListeners = [] # list of listeners who want page notifications
self.noteListeners = [] # list of listeners who want note notifications
self.parasiteList = {} # dict of parasites indexed by listener
self.parasiteD = {} # bin of parasites indexed by listener
self.parasiteS = {} # parasites sorted as in self.noteS,
self.nextId = 0 # base id, first page will be 1
self.clipboard = [] # stores copied cs notes
self.clipboardArea = [] # stores the limits and tracks for each page in the clipboard
#-- private --------------------------------------------
def _genId( self ):
self.nextId += 1
if self.nextId == 65536: # short
print "page id overflow!"
# TODO think of how to handle this!?
return self.nextId
#=======================================================
# Page Functions
def addPage( self, beats, after = False ):
id = self._newPage( beats )
at = self._insertPage( id, after )
for l in self.pageListeners:
l.notifyPageAdd( id, at )
return id
def deletePages( self, which ):
beats = self.pages[self.tune[0]].beats
low = 999999
ind = -1
for id in which:
ind = self.tune.index(id)
if ind < low: low = ind
for t in range(Config.NUMBER_OF_TRACKS):
for n in self.noteD[id][t].keys():
self.deleteNote( id, t, n )
del self.noteD[id]
del self.noteS[id]
del self.parasiteD[id]
del self.parasiteS[id]
del self.pages[id]
at = self.tune.index( id )
self.tune.pop(at)
if not len(self.tune):
self.addPage( beats ) # always have at least one page
safe = self.tune[0]
else:
safe = self.tune[max(ind-1,0)]
for l in self.pageListeners:
l.notifyPageDelete( which, safe )
def duplicatePages( self, which, after = False ):
sorted = []
if after: first = self.tune.index(after)+1
else: first = 0
i = j = 0
while i < len(self.tune) and j < len(which):
if self.tune[i] in which:
sorted.append(self.tune[i])
j += 1
i += 1
new = {}
for cp in sorted:
id = self._newPage( self.pages[cp].beats )
self._insertPage( id, after )
after = id
new[cp] = id
for l in self.pageListeners:
l.notifyPageDuplicate( new, first )
for cp in sorted:
for t in range(Config.NUMBER_OF_TRACKS):
for n in self.noteD[cp][t].keys():
self.duplicateNote( cp, t, n, new[cp], t, 0 )
return new
def movePages( self, which, after = False ):
sorted = []
if after: at = self.tune.index(after)+1
else: at = 0
low = high = at
i = j = 0
while i < len(self.tune):
if self.tune[i] in which:
sorted.append(self.tune[i])
self.tune.pop(i)
if i < low: low = i
if i > high: high = i
if i < at: at -= 1
j += 1
else:
i += 1
self.tune = self.tune[:at] + sorted + self.tune[at:]
for l in self.pageListeners:
l.notifyPageMove( sorted, low, high )
#-- private --------------------------------------------
def _newPage( self, beats ):
id = self._genId()
self.pages[id] = Page( beats )
self.noteD[id] = [ {} for i in range(Config.NUMBER_OF_TRACKS) ]
self.noteS[id] = [ [] for i in range(Config.NUMBER_OF_TRACKS) ]
self.parasiteD[id] = [ {} for i in range(Config.NUMBER_OF_TRACKS) ]
self.parasiteS[id] = [ {} for i in range(Config.NUMBER_OF_TRACKS) ]
for i in range(Config.NUMBER_OF_TRACKS):
for par in self.parasiteList.keys():
self.parasiteD[id][i][par] = {}
self.parasiteS[id][i][par] = []
return id
def _insertPage( self, id, after ):
if not after: at = 0
else: at = self.tune.index(after)+1
self.tune.insert( at, id )
return at
#=======================================================
# Track Functions
#def deleteTracks( self, pages, which ):
#def duplicateTracks( self, pages, which, insert ):
#=======================================================
# Note Functions
def addNote( self, page, track, cs, hint = False ):
id = self.pages[page].genId()
n = self.noteD[page][track][id] = Note( page, track, id, cs )
if not hint: at = 0
else: at = hint[0]
while at > 0:
onset = self.noteS[page][track][at-1].cs.onset
if onset <= cs.onset:
if onset <= cs.onset: break
elif self.noteS[page][track][at-1].cs.pitch <= cs.pitch: break
at -= 1
last = len(self.noteS[page][track])
while at < last:
onset = self.noteS[page][track][at].cs.onset
if onset >= cs.onset:
if onset > cs.onset: break
elif self.noteS[page][track][at].cs.pitch > cs.pitch: break
at += 1
self.noteS[page][track].insert( at, n )
for par in self.parasiteList.keys():
parasite = self.parasiteList[par]( self, par, n )
self.parasiteD[page][track][par][id] = parasite.attach() # give parasites the option of return something other than themselves
self.parasiteS[page][track][par].insert( at, parasite.attach() )
if hint: hint[0] = at + 1 # assume the next note will fall after this one
for l in self.noteListeners:
l.notifyNoteAdd( page, track, id )
return id
# stream format:
# page id
# track index
# number of following notes (N)
# cs pointer
# ... up to N
# page id or -1 to exit
def addNotes( self, stream ):
new = {}
i = [-1]
p = self._readstream(stream,i)
while p != -1:
if p not in new:
new[p] = [ [] for x in range(Config.NUMBER_OF_TRACKS) ]
t = self._readstream(stream,i)
N = self._readstream(stream,i)
hint = [0]
for j in range(N):
new[p][t].append( self.addNote( p, t, self._readstream(stream,i), hint ) )
p = self._readstream(stream,i)
return new
def deleteNote( self, page, track, id ):
ind = self.noteS[page][track].index( self.noteD[page][track][id] )
for par in self.parasiteList.keys():
self.parasiteD[page][track][par][id].destroy()
self.parasiteS[page][track][par].pop(ind)
del self.parasiteD[page][track][par][id]
self.noteS[page][track].pop(ind)
del self.noteD[page][track][id]
for l in self.noteListeners:
l.notifyNoteDelete( page, track, id )
# stream format:
# page id
# track index
# number of following notes (N)
# note id
# ... up to N
# page id or -1 to exit
def deleteNotes( self, stream ):
i = [-1]
p = self._readstream(stream,i)
while p != -1:
t = self._readstream(stream,i)
N = self._readstream(stream,i)
for j in range(N):
self.deleteNote( p, t, self._readstream(stream,i) )
p = self._readstream(stream,i)
def deleteNotesByTrack( self, pages, tracks ):
for p in pages:
for t in tracks:
notes = self.noteS[p][t][:]
for n in notes:
self.deleteNote( p, t, n.id )
def duplicateNote( self, page, track, id, toPage, toTrack, offset ):
cs = self.noteD[page][track][id].cs.clone()
cs.trackId = toTrack
cs.pageId = toPage
cs.onset += offset
ticks = self.pages[toPage].ticks
if cs.onset >= ticks: return False # off the end of the page
if cs.onset + cs.duration > ticks:
cs.duration = ticks - cs.onset
return self.addNote( toPage, toTrack, cs )
# stream format:
# page id
# track index
# toPage id
# toTrack index
# offset
# number of following notes (N)
# note id
# ... up to N
# page id or -1 to exit
def duplicateNotes( self, stream ):
i = [-1]
p = self._readstream(stream,i)
while p != -1:
t = self._readstream(stream,i)
toP = self._readstream(stream,i)
toT = self._readstream(stream,i)
offset = self._readstream(stream,i)
N = self._readstream(stream,i)
for j in range(N):
self.duplicateNote( p, t, self._readstream(stream,i), toP, toT, offset )
p = self._readstream(stream,i)
def updateNote( self, page, track, id, parameter, value ):
if parameter == PARAMETER.ONSET:
self.noteD[page][track][id].cs.onset = value
self._resortNote( page, track, id )
elif parameter == PARAMETER.PITCH:
self.noteD[page][track][id].cs.pitch= value
self._resortNote( page, track, id )
elif parameter == PARAMETER.AMPLITUDE:
self.noteD[page][track][id].cs.amplitude = value
elif parameter == PARAMETER.DURATION:
self.noteD[page][track][id].cs.duration = value
elif parameter == PARAMETER.INSTRUMENT:
self.noteD[page][track][id].cs.instrumentId = value
for par in self.parasiteList.keys():
self.parasiteD[page][track][par][id].updateParameter( parameter, value )
for l in self.noteListeners:
l.notifyNoteUpdate( page, track, id, parameter, value )
# stream format:
# page id
# track index
# parameter id
# number of following notes (N)
# note id
# value
# ... up to N
# page id or -1 to exit
def updateNotes( self, stream ):
i = [-1]
p = self._readstream(stream,i)
while p != -1:
t = self._readstream(stream,i)
param = self._readstream(stream,i)
N = self._readstream(stream,i)
for j in range(N):
self.updateNote( p, t, self._readstream(stream,i), param, self._readstream(stream,i) )
p = self._readstream(stream,i)
#-- private --------------------------------------------
def _readstream( self, stream, i ):
i[0] += 1
return stream[i[0]]
def _resortNote( self, page, track, id ):
ins = out = self.noteS[page][track].index(self.noteD[page][track][id])
cs = self.noteD[page][track][id].cs
while ins > 0: # check backward
onset = self.noteS[page][track][ins-1].cs.onset
if onset <= cs.onset:
if onset <= cs.onset: break
elif self.noteS[page][track][ins-1].cs.pitch <= cs.pitch: break
ins -= 1
if ins == out: # check forward
ins += 1
last = len(self.noteS[page][track])
while ins < last:
onset = self.noteS[page][track][ins].cs.onset
if onset >= cs.onset:
if onset > cs.onset: break
elif self.noteS[page][track][ins].cs.pitch > cs.pitch: break
ins += 1
if ins != out: # resort
if ins > out: ins -= 1
n = self.noteS[page][track].pop( out )
self.noteS[page][track].insert( ins, n )
for par in self.parasiteList.keys():
p = self.parasiteS[page][track][par].pop( out )
self.parasiteS[page][track][par].insert( ins, p )
#=======================================================
# Clipboard Functions
# stream format:
# page id
# track index
# number of following notes (N)
# note id
# ... up to N
# page id or -1 to exit
def notesToClipboard( self, stream ):
self.clipboard = []
self.clipboardArea = []
i = [-1]
pages = []
p = self._readstream(stream,i)
while p != -1:
if p not in pages:
page = [ [] for x in range(Config.NUMBER_OF_TRACKS) ]
pageArea = { "limit": [ 99999, 0 ],
"tracks": [ 0 for x in range(Config.NUMBER_OF_TRACKS) ] }
pages.append(p)
self.clipboard.append(page)
self.clipboardArea.append(pageArea)
else:
ind = pages.index(p)
page = self.clipboard[ind]
pageArea = self.clipboardArea[ind]
t = self._readstream(stream,i)
pageArea["tracks"][t] = 1
N = self._readstream(stream,i)
for j in range(N):
cs = self.noteD[p][t][self._readstream(stream,i)].cs.clone()
if cs.onset < pageArea["limit"][0]: pageArea["limit"][0] = cs.onset
if cs.onset + cs.duration > pageArea["limit"][1]: pageArea["limit"][1] = cs.onset + cs.duration
page[t].append( cs )
p = self._readstream(stream,i)
return self.clipboardArea
def tracksToClipboard( self, pages, tracks ):
self.clipboard = []
self.clipboardOrigin = [ 0, 0 ]
self.clipboardArea = []
for p in pages:
page = [ [] for x in range(Config.NUMBER_OF_TRACKS) ]
pageArea = { "limit": [ 0, 99999 ],
"tracks": [ 0 for x in range(Config.NUMBER_OF_TRACKS) ] }
self.clipboard.append(page)
self.clipboardArea.append(pageArea)
for t in tracks:
pageArea["tracks"][t] = 1
for id in self.noteD[p][t]:
cs = self.noteD[p][t][id].cs.clone()
page[t].append( cs )
return self.clipboardArea
# trackMap = { X: Y, W: Z, ... }; X,W are track indices, Y,Z are clipboard indices
# instrumentMap = { X: Y, W: Z, ... }; X,W are track indices, Y,Z are instrument ids
def pasteClipboard( self, pages, offset, trackMap, instrumentMap = {} ):
if not len(self.clipboard): return
deleteStream = []
updateStream = []
addStream = []
pp = 0
ppMax = len(self.clipboard)
for p in pages:
ticks = self.pages[p].ticks
area = self.clipboardArea[pp]
area["limit"][0] += offset
area["limit"][1] += offset
for t in trackMap.keys():
if not area["tracks"][trackMap[t]]: continue
if instrumentMap.has_key(t):
updateInstrument = True
instrumentId = instrumentMap[t]
else:
updateInstrument = False
tdeleteStream = []
tupdateOStream = []
tupdateDStream = []
taddStream = []
# clear area
for n in self.noteS[p][t]:
start = n.cs.onset
end = start + n.cs.duration
if area["limit"][0] <= start < area["limit"][1]: start = area["limit"][1]
if area["limit"][0] < end <= area["limit"][1]: end = area["limit"][0]
if start < area["limit"][0] and end > area["limit"][1]: end = area["limit"][0]
if end <= start:
tdeleteStream.append( n.id )
elif start != n.cs.onset:
tupdateDStream += [ n.id, end - start ]
tupdateOStream += [ n.id, start ]
elif end != start + n.cs.duration:
tupdateDStream += [ n.id, end - start ]
if len(tdeleteStream):
deleteStream += [ p, t, len(tdeleteStream) ] + tdeleteStream
if len(tupdateOStream):
updateStream += [ p, t, PARAMETER.ONSET, len(tupdateOStream)//2 ] + tupdateOStream
if len(tupdateDStream):
updateStream += [ p, t, PARAMETER.DURATION, len(tupdateDStream)//2 ] + tupdateDStream
# paste notes
for cs in self.clipboard[pp][trackMap[t]]:
newcs = cs.clone()
newcs.onset += offset
if newcs.onset >= ticks: continue
if newcs.onset + newcs.duration > ticks:
newcs.duration = ticks - newcs.onset
newcs.pageId = p
newcs.trackId = t
if updateInstrument:
newcs.instrumentId = instrumentId
# TODO update any other parameters?
taddStream.append( newcs )
if len(taddStream):
addStream += [ p, t, len(taddStream) ] + taddStream
pp += 1
if pp == ppMax: pp -= ppMax
if len(deleteStream):
self.deleteNotes( deleteStream + [-1] )
if len(updateStream):
self.updateNotes( updateStream + [-1] )
if len(addStream):
return self.addNotes( addStream + [-1] )
return None
def getClipboardArea( self, ind ):
N = len(self.clipboardArea)
while ind >= N: ind -= N
return self.clipboardArea[ind]
#=======================================================
# Listener Functions
def addListener( self, listener, parasite = None, page = False, note = False ):
if listener in self.listeners:
return # only one listener per object
if parasite:
self.parasiteList[listener] = parasite
self._addParasite( listener, parasite )
if page: self.pageListeners.append( listener )
if note: self.noteListeners.append( listener )
self.listeners.append( listener )
def deleteListener( self, listener ):
self.listeners.remove( listener )
if listener in self.pageListeners:
self.pageListeners.remove( listener )
if listener in self.noteListeners:
self.noteListeners.remove( listener )
if self.parasites.has_key( listener ):
self._deleteParasite( listener )
del self.parasiteList[listener]
#-- private --------------------------------------------
def _addParasite( self, listener, parasite ):
for p in self.tune:
for t in range(Config.NUMBER_OF_TRACKS):
self.parasiteD[p][t][listener] = {}
self.parasiteS[p][t][listener] = []
for n in self.noteD[p][t].keys():
parasite( self, listener, self.noteD[p][t][n] )
self.parasiteD[p][t][listener][n] = parasite.attach() # give parasites the option of returning something other than themselves
self.parasiteS[p][t][listener].insert( self.noteS[p][t].index( self.noteD[p][t][n]), parasite.attach() )
def _deleteParasite( self, listener ):
for p in self.tune:
for t in range(Config.NUMBER_OF_TRACKS):
for n in self.notes[p][t].keys():
self.parasiteD[p][t][listener][n].destroy()
del self.parasiteD[p][t][listener]
del self.parasiteS[p][t][listener]
#=======================================================
# Get Functions
def getPageCount( self ):
return len(self.pages)
def getTune( self ):
return self.tune
def getPage( self, page ):
return self.pages[page]
def getPageByIndex( self, ind ):
return self.tune[ind]
def getPageIndex( self, page ):
return self.tune.index(page)
def getNote( self, page, track, id, listener = None ):
if listener:
return self.parasiteD[page][track][listener][id]
return self.noteD[page][track][id]
def getNotesByPage( self, page, listener = None ):
notes = []
if listener:
for i in range(Config.NUMBER_OF_TRACKS):
notes.extend( self.parasiteS[page][i][listener] )
else:
for i in range(Config.NUMBER_OF_TRACKS):
notes.extend( self.noteS[page][i] )
return notes
def getNotesByTrack( self, page, track, listener = None ):
if listener:
return self.parasiteS[page][track][listener]
else:
return self.noteS[page][track]
def getNotes(self, listener = None ):
notes = []
for p in self.pages:
notes.extend( self.getNotesByPage(p, listener ) )
return notes
def getCSNotesByPage( self, page ):
return map( lambda n: n.cs, self.getNotesByPage( page ) )
def getCSNotesByTrack( self, page, track ):
return map( lambda n: n.cs, self.getNotesByTrack( page, track ) )
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