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Diffstat (limited to 'TamTamJam.activity/common/Generation/Generator.py')
| -rw-r--r-- | TamTamJam.activity/common/Generation/Generator.py | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/TamTamJam.activity/common/Generation/Generator.py b/TamTamJam.activity/common/Generation/Generator.py deleted file mode 100644 index ff05462..0000000 --- a/TamTamJam.activity/common/Generation/Generator.py +++ /dev/null @@ -1,174 +0,0 @@ -import random -import math - -import Utils -import Drunk - -import common.Util.InstrumentDB as InstrumentDB -import common.Config as Config -from common.Util.CSoundNote import CSoundNote -from common.Generation.GenerationConstants import GenerationConstants -from common.Generation.GenerationRythm import GenerationRythm -from common.Generation.GenerationPitch import GenerationPitch - -instrumentDB = InstrumentDB.getRef() - -class GenerationParameters: - def __init__( self, - density = GenerationConstants.DEFAULT_DENSITY, - rythmRegularity = GenerationConstants.DEFAULT_RYTHM_REGULARITY, - step = GenerationConstants.DEFAULT_STEP, - pitchRegularity = GenerationConstants.DEFAULT_PITCH_REGULARITY, - articule = GenerationConstants.DEFAULT_DURATION, - silence = GenerationConstants.DEFAULT_SILENCE, - rythmMethod = GenerationConstants.DEFAULT_RYTHM_METHOD, - pitchMethod = GenerationConstants.DEFAULT_PITCH_METHOD, - pattern = GenerationConstants.DEFAULT_PATTERN, - scale = GenerationConstants.DEFAULT_SCALE ): - self.density = density - self.rythmRegularity = rythmRegularity - self.step = step - self.pitchRegularity = pitchRegularity - self.articule = articule - self.silence = silence - self.rythmMethod = rythmMethod - self.pitchMethod = pitchMethod - self.pattern = pattern - self.scale = scale - -def generator1( - parameters, # algorithm-specific parameters - volume, # [trackId: float(volume) ] - instrument, # [pageId][trackId: instrument] - tempo, # integer bpm - nbeats, # map [ pageId : beats ] - trackIds, # list of trackIds to generate - pageIds, # list of pageIds to generate - trackDictionary, # map [ trackId : [ pageId : events ] ] - nPagesCycle = 4 # META ALGO number of pages in a section - ): - - makeRythm = GenerationRythm() - makePitch = GenerationPitch() - - def makeGainSequence( onsetList ): - gainSequence = [] - append = gainSequence.append - rand = random.uniform - max = GenerationConstants.GAIN_MAX_BOUNDARY - midMax = GenerationConstants.GAIN_MID_MAX_BOUNDARY - midMin = GenerationConstants.GAIN_MID_MIN_BOUNDARY - min = GenerationConstants.GAIN_MIN_BOUNDARY - for onset in onsetList: - if onset == 0: - append(rand(midMax, max)) - elif ( onset % Config.TICKS_PER_BEAT) == 0: - append(rand(midMin, midMax)) - else: - append(rand(min, midMin)) - return gainSequence - - def makeDurationSequence( onsetList, parameters, table_duration, barLength, currentInstrument ): - durationSequence = [] - if instrumentDB.instNamed[currentInstrument].name[0:4] == 'drum': - duration = GenerationConstants.DOUBLE_TICK_DUR / 2 - durationSequence = [duration] * len(onsetList) - return durationSequence - - append = durationSequence.append - proba = Utils.prob2 - if len( onsetList ) > 1: - for i in range(len(onsetList) - 1): - append((onsetList[i+1] - onsetList[i]) * proba( table_duration )) - append(( barLength - onsetList[-1]) * proba( table_duration )) - elif len( onsetList ) == 1: - append( ( barLength - onsetList[0] ) * proba( table_duration )) - return durationSequence - - def pageGenerate(parameters, trackId, pageId, trackOfNotes, drumPitch = None): - - trackNotes = trackOfNotes - - if drumPitch: - currentInstrument = instrumentDB.instNamed[instrument[pageId][trackId]].kit[drumPitch[0]] - rythmSequence = makeRythm.drumRythmSequence(parameters, currentInstrument, barLength) - pitchSequence = makePitch.drumPitchSequence(len(rythmSequence), parameters, drumPitch, table_pitch ) - else: - currentInstrument = instrument[pageId][trackId] - rythmSequence = makeRythm.celluleRythmSequence(parameters, barLength, trackId, currentInstrument) - pitchSequence = makePitch.drunkPitchSequence(len(rythmSequence),parameters, table_pitch, trackId) - - gainSequence = makeGainSequence(rythmSequence) - durationSequence = makeDurationSequence(rythmSequence, parameters, table_duration, barLength, currentInstrument) - - numOfNotes = range(len(rythmSequence)) - rand = random.random - append = trackNotes.append - pan = GenerationConstants.DEFAULT_PAN - instrument_id = instrumentDB.instNamed[instrument[pageId][trackId]].instrumentId - for i in numOfNotes: - if drumPitch: - if ( rand() * fillDrum ) > ( parameters.silence[0] * .5 ): - if fillDrum != 1: - if rythmSequence[i] not in trackOnsets or pitchSequence[i] not in trackPitchs: - append( CSoundNote( rythmSequence[i], pitchSequence[i], gainSequence[i], pan, durationSequence[i], trackId, instrument_id, 0.002, 0.098, 0.1, 0, 1000, False, 'edit' ) ) - else: - append( CSoundNote( rythmSequence[i], pitchSequence[i], gainSequence[i], pan, durationSequence[i], trackId, instrument_id, 0.002, 0.098, 0.1, 0, 1000, False, 'edit' ) ) - else: - if rand() > parameters.silence[trackId]: - append( CSoundNote( rythmSequence[i], pitchSequence[i], gainSequence[i], pan, durationSequence[i], trackId, instrument_id, 0.002, 0.1, 0.1, 0, 1000, False, 'edit' ) ) - - trackDictionary[ trackId ][ pageId ] = trackNotes - -################################################################################## - # begin generate() - - table_pitch = GenerationConstants.SCALES[parameters.scale] - - for trackId in trackIds: - if trackId == 4: # drum index - table_duration = Utils.scale(parameters.articule[0], GenerationConstants.ARTICULATION_SCALE_MIN_MAPPING, GenerationConstants.ARTICULATION_SCALE_MAX_MAPPING, GenerationConstants.ARTICULATION_SCALE_STEPS) - if parameters.rythmRegularity > 0.75: - streamOfPitch = GenerationConstants.DRUM_COMPLEXITY1 - elif parameters.rythmRegularity > 0.5: - streamOfPitch = GenerationConstants.DRUM_COMPLEXITY2 - elif parameters.rythmRegularity > 0.25: - streamOfPitch = GenerationConstants.DRUM_COMPLEXITY3 - else: - streamOfPitch = GenerationConstants.DRUM_COMPLEXITY4 - else: - table_duration = Utils.scale(parameters.articule[trackId], GenerationConstants.ARTICULATION_SCALE_MIN_MAPPING, GenerationConstants.ARTICULATION_SCALE_MAX_MAPPING, GenerationConstants.ARTICULATION_SCALE_STEPS) - - selectedPageCount = 0 - lastPageId = 0 - for pageId in pageIds: - barLength = Config.TICKS_PER_BEAT * nbeats[ pageId ] - trackOfNotes = [] - pageCycle = selectedPageCount % nPagesCycle - - #if instrument[pageId][trackId][0:4] == 'drum': - if trackId == 4: - if pageCycle not in [0,nPagesCycle-1] and nbeats[pageId] == nbeats[lastPageId]: - trackDictionary[trackId][pageId] = [] - for n in trackDictionary[trackId][lastPageId]: - trackDictionary[trackId][pageId].append(n.clone()) - elif pageCycle == (nPagesCycle-1) and nbeats[pageId] == nbeats[lastPageId]: - for n in trackDictionary[trackId][lastPageId]: - trackOfNotes.append(n.clone()) - trackOnsets = [n.onset for n in trackOfNotes] - trackPitchs = [n.pitch for n in trackOfNotes] - fillDrum = .5 - rythmRegTemp = parameters.rythmRegularity[0] - parameters.rythmRegularity[0] = 0.5 - for drumPitch in GenerationConstants.DRUM_COMPLEXITY4: - pageGenerate( parameters, trackId, pageId, trackOfNotes, drumPitch ) - parameters.rythmRegularity[0] = rythmRegTemp - else: - fillDrum = 1 - for drumPitch in streamOfPitch: - pageGenerate( parameters, trackId, pageId, trackOfNotes, drumPitch ) - - else: - pageGenerate( parameters, trackId, pageId, trackOfNotes, drumPitch = None ) - selectedPageCount += 1 - lastPageId = pageId |