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Fret Limit

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khodowany
2026-10-01 12:06:02 -05:00
parent 5414caf30a
commit a7b64c5361
16 changed files with 252 additions and 28 deletions
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generator/solo/planning.py
+4 -2
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@@ -3,6 +3,7 @@ from __future__ import annotations
import dataclasses
import fractions
import generator.fretboard
import generator.harmony
import generator.model
import generator.scales.selection
@@ -50,7 +51,7 @@ def new_motif(sequences: generator.solo.sequences.Library, length: fractions.Fra
for path in paths:
for start in range(-14, 15):
pitches = tuple(generator.solo.types.scale_pitch(scale, start + offset) for offset in path.offsets())
if not all(register[0] <= pitch.number() <= register[1] for pitch in pitches):
if not all(register[0] <= pitch.number() <= register[1] and generator.fretboard.single_positions_for_pitch(fractions.Fraction(pitch.number())) for pitch in pitches):
continue
score = (generator.solo.sequences.family(path.steps) != shape, pitches[-1].number() % 12 not in target, abs(path.offsets()[-1] - displacement), abs(pitches[0].number() - (register[0] + 5)), generator.solo.policy.stable_rank(seed, (variant, path.steps, start)))
candidates.append((score, pitches, path))
@@ -137,7 +138,7 @@ def anchor_backbones(identifier, start, end, release, register, choices, bar, se
duration = terminal_duration if role == 'terminal' else fractions.Fraction(1, 2)
latest = time if role == 'terminal' else min(time + fractions.Fraction(3, 2), choice.span.end - duration, terminal_start - duration)
pitches = [generator.solo.types.scale_pitch(choice.scale, degree) for degree in range(-21, 28)]
pitches = [p for p in pitches if register[0] <= p.number() <= register[1] and p.number() % 12 in eligible]
pitches = [p for p in pitches if register[0] <= p.number() <= register[1] and p.number() % 12 in eligible and generator.fretboard.single_positions_for_pitch(fractions.Fraction(p.number()))]
desired = register[0] + (5 if index == 0 else 8 if role == 'terminal' else 11)
following = []
for cost, anchors in states:
@@ -182,6 +183,7 @@ def plans(analysis: generator.solo.analysis.Analysis, measures: list[dict], choi
low, high = (55, 74) if part == 'acoustic' else (59, 79)
phase = (start + finish) / (2 * end)
register = (low + (5 if fractions.Fraction(1, 2) <= phase < fractions.Fraction(3, 4) else 0), high if phase >= fractions.Fraction(1, 2) else high - 4)
register = generator.fretboard.single_register(register)
bar = boundaries[index + 1] - start
release = fractions.Fraction(1, 2) if decision(passage_seed, 'breathing') % 3 == 0 else fractions.Fraction()
release = min(release, (finish - start) / 8)