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class GenerationConstants:
TWO_ROOT_TWELVE = pow( 2, 1./12 )
MAX_NOTES_PER_BAR = 12
#STANDALONE_BEAT_LENGTH = 12
# Default parameters for algorithmic generation
DEFAULT_DENSITY = 0.7
DEFAULT_RYTHM_REGULARITY = .75
DEFAULT_STEP = -3
DEFAULT_PITCH_REGULARITY = 0.5
DEFAULT_ARTICULE = 0.7
DEFAULT_RYTHM_METHOD = 0
DEFAULT_PITCH_METHOD = 0
DEFAULT_PAN = 0.5
DEFAULT_PATTERN = 0
DEFAULT_PITCH_VARIATION = 0
DEFAULT_RYTHM_VARIATION = 0
TABLE_ONSET_VALUES = [ 3, 4, 6, 8, 12, 18, 24, 36, 48 ]
# scaling constants
MAJOR_SCALE = 0
HARMONIC_MINOR_SCALE = 1
NATURAL_MINOR_SCALE =2
PHRYGIEN_SCALE = 3
PENTATONIC_SCALE = 4
BLUES_SCALE = 5
SCALES = { MAJOR_SCALE : [ -12, -10, -8, -7, -5, -3, -1, 0, 2, 4, 5, 7, 9, 11, 12 ],
HARMONIC_MINOR_SCALE : [ -12, -10, -9, -7, -5, -4, -1, 0, 2, 3, 5, 7, 8, 11, 12 ],
NATURAL_MINOR_SCALE : [ -12, -10, -9, -7, -5, -4, -2, 0, 2, 3, 5, 7, 8, 10, 12 ],
PENTATONIC_SCALE : [ -12, -10, -7, -5, -3, 0, 2, 5, 7, 9, 12 ],
BLUES_SCALE : [ -12, -10, -9, -8, -7, -5, -3, -2, 0, 2, 3, 4, 5, 7, 9, 10, 12 ],
PHRYGIEN_SCALE : [ -12, -11, -9, -7, -5, -4, -2, 0, 1, 3, 5, 7, 8, 10, 12 ] }
DEFAULT_SCALE = MAJOR_SCALE
DEFAULT_TONIQUE = 36
I = [ 0, 2, 4, 7, 9, 11, 14 ]
II = [ 1, 3, 5, 8, 10, 12 ]
III = [ 2, 4, 6, 9, 11, 13 ]
IV = [ 0, 3, 5, 7, 10, 12, 14 ]
V = [ 1, 4, 6, 8, 11, 13 ]
VI = [ 0, 2, 5, 7, 9, 12, 14 ]
VII = [ 1, 3, 6, 8, 10, 13 ]
CHORDS_TABLE = [ I, V, I, II, V, I, VI, II, V, I, IV, VI, II, V, I, V, VI ]
# CHORDS_TABLE = [I, V, I, V, I, V, I, V, I, V, I, V, I, V ]
# pitch patterns constants
# PITCH_PATTERNS = [ 'Drunk', 'DroneAndJump', 'Repeter', 'Loopseg' ]
# Parameters for probability scaling function
REPETITION_SCALE_MIN_MAPPING = 0
REPETITION_SCALE_MAX_MAPPING = 25
REPETITION_SCALE_STEPS = 25
DENSITY_SCALE_MIN_MAPPING = 0
DENSITY_SCALE_MAX_MAPPING = 38
DENSITY_SCALE_STEPS = 38
ARTICULATION_SCALE_MIN_MAPPING = .3
ARTICULATION_SCALE_MAX_MAPPING = 1
ARTICULATION_SCALE_STEPS = 30
# Rythmic durations, in ticks, and how many to complete figure (celluleRythmSequence)
DOUBLE_TICK_DUR = 3
DOUBLE_HOW_MANY = 2
HALF_TRIPLET_TICK_DUR = 4
HALF_TRIPLET_HOW_MANY = 3
HOLE_TRIPLET_TICK_DUR = 8
HOLE_TRIPLET_HOW_MANY = 3
# Random generators default values (xnoiseRythmSequence)
RANDOM_BETA_PARAM = 0.004
RANDOM_EXPO_PARAM = 5
RANDOM_GAUSS_PARAM1 = 0.5
RANDOM_GAUSS_PARAM2 = 0.1
RANDOM_WEIBULL_PARAM1 = 0.5
RANDOM_WEIBULL_PARAM2 = 2.5
# Onsets probability tables (drumRythmSequence)
PUNCH_ACCENTS = [ [],
[ 0 ],
[ 0, 1 ],
[ 0, 2, 1 ],
[ 0, 2, 3, 1 ],
[ 0, 3, 2, 4, 1],
[ 0, 3, 2, 5, 1, 4 ],
[ 0, 2, 4, 6, 5, 3, 1 ],
[ 0, 4, 2, 6, 3, 7, 5, 1 ],
[ 0, 4, 6, 2, 8, 5, 3, 7, 1],
[ 0, 6, 4, 8, 2, 5, 7, 3, 9, 1],
[ 0, 4, 6, 10, 8, 2, 5, 7, 9, 3, 1],
[0, 6, 4, 2, 8, 10, 7, 5, 3, 9, 11, 1] ]
LOW_ACCENTS = [ [],
[ 0 ],
[ 0, 1 ],
[ 0, 2, 1 ],
[ 0, 2, 3, 1 ],
[ 0, 3, 2, 4, 1 ],
[ 0, 3, 2, 5, 1, 4 ],
[ 0, 2, 4, 6, 5, 3, 1 ],
[ 0, 4, 2, 6, 3, 7, 5, 1 ],
[ 0, 4, 6, 2, 8, 5, 3, 7, 1 ],
[ 0, 6, 4, 8, 2, 5, 7, 3, 9, 1 ],
[ 0, 4, 6, 10, 8, 2, 5, 7, 9, 3, 1 ],
[0, 6, 4, 2, 8, 10, 7, 5, 3, 9, 11, 1 ] ]
MID_ACCENTS = [ [],
[ 0, 1 ],
[ 0, 2, 3, 1 ],
[ 0, 2, 4, 3, 1, 5 ],
[ 0, 4, 6, 2, 7, 1, 3, 5 ],
[ 0, 6, 4, 8, 2, 1, 5, 3, 9, 7 ],
[ 0, 6, 11, 5, 3, 9, 10, 2, 8, 7, 1, 4 ],
[ 0, 4, 8, 12, 10, 13, 11, 9, 3, 2, 6, 5, 7, 1 ],
[ 0, 8, 4, 12, 6, 14, 2, 10, 7, 15, 1, 9, 3, 11, 5, 13 ],
[ 0, 8, 16, 4, 12, 14, 6, 2, 10, 7, 15, 1, 9, 3, 17, 11, 5, 13],
[ 0, 10, 8, 4, 16, 12, 6, 14, 18, 2, 7, 9, 15, 3, 1, 19, 5, 11, 13, 17],
[ 0, 8, 10, 16, 4, 20, 6, 12, 18, 14, 2, 9, 7, 3, 15, 21, 19, 1, 5, 11, 17, 13],
[ 0, 10, 8, 4, 16, 6, 20, 22, 18, 12, 2, 14, 7, 9, 15, 3, 19, 1, 21, 5, 23, 17, 11, 13] ]
HIGH_ACCENTS = [ [],
[ 1, 0 ],
[ 1, 3, 2, 0 ],
[ 5, 1, 3, 4, 2, 0 ],
[ 5, 3, 1, 7, 2, 6, 4, 0 ],
[ 7, 9, 3, 5, 1, 2, 8, 4, 6, 0 ],
[ 4, 1, 7, 5, 3, 9, 10, 2, 8, 11, 6, 0 ],
[ 1, 7, 8, 5, 10, 13, 11, 9, 3, 2, 6, 12, 4, 0 ],
[ 13, 5, 11, 3, 9, 1, 15, 10, 7, 2, 14, 6, 12, 4, 8, 0 ],
[ 13, 5, 11, 17, 3, 9, 1, 15, 7, 10, 2, 6, 14, 12, 4, 16, 8, 0 ],
[ 17, 13, 11, 5, 19, 1, 3, 15, 9, 7, 2, 18, 14, 6, 12, 16, 4, 8, 10, 0 ],
[ 13, 17, 11, 5, 1, 19, 21, 15, 3, 7, 9, 2, 14, 18, 12, 6, 20, 4, 16, 10, 8, 0 ],
[ 13, 11, 17, 23, 5, 21, 1, 19, 3, 15, 9, 7, 14, 2, 12, 18, 22, 20, 6, 16, 4, 8, 10, 0 ] ]
# Gain boundaries
GAIN_MAX_BOUNDARY = 1.
GAIN_MID_MAX_BOUNDARY = .9
GAIN_MID_MIN_BOUNDARY = .75
GAIN_MIN_BOUNDARY = .65
# pitch mapping for drum kit
DRUMPITCH = {25: 24, 27: 26, 29: 28, 31: 30, 33: 32, 35: 34, 37: 36, 39: 38, 41: 40, 43: 42, 45: 44, 47: 46 }
TRANSPOSE = [0.5, 0.52973154717964765, 0.56123102415468651, 0.59460355750136051, 0.6299605249474366, 0.66741992708501718, 0.70710678118654757, 0.74915353843834076, 0.79370052598409979, 0.8408964152537145, 0.89089871814033927, 0.94387431268169353, 1.0, 1.0594630943592953, 1.122462048309373, 1.189207115002721, 1.2599210498948732, 1.3348398541700344, 1.4142135623730951, 1.4983070768766815, 1.5874010519681994, 1.681792830507429, 1.7817974362806785, 1.8877486253633868, 2.0]
CELLULES_MARKERS = [ 8, 16, 21, 24 ]
CELLULES = [ [ 3, 3, 3, 3 ], [ 3, 3, 6 ], [ 3, 6, 3 ], [ 6, 3, 3 ], [ 4, 4, 4 ], [ 4, 8 ], [ 8, 4 ], [ 6, 6 ], [ 12 ], [ 6, 12, 6 ], [ 8, 8, 8 ], [ 8, 16 ], [ 16, 8 ], [ 12, 12 ], [ 18, 6 ],
[ 6, 18 ], [ 24 ], [ 12, 12, 12 ], [ 18, 18 ], [ 24, 12 ], [ 12, 24 ], [ 36 ], [ 12, 24, 12 ], [ 24, 24 ], [ 48 ] ]
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