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- Generate sounds.json for each theme inside templates/themes/<name>/
- Load sound data at runtime from embedded FS via templates.ThemeSounds()
- Replace ~1100 lines of hardcoded builder functions and presets with a
145-line loader (soundCache, initSoundCache, loadThemeSounds)
- Update embed.go to include themes/*/sounds.json in the embedded FS
- Update tests to use loadThemeSounds() instead of themeSoundPresets
- Eliminates duplication between themeSoundPresets and JSON output
Improves cohesion and DRY by keeping theme assets (CSS, JS, meta, sounds)
in a single location per theme directory.
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atom.Generate, syncOutput)
- generator.Run(ctx, cfg) – ctx passed through to atom.Generate
- processor.Run(ctx, cfg) – signature updated for cancellation propagation
- atom.Generate(ctx, posts, cfg) – accepts ctx for future cancellation
- syncOutput(ctx, cfg) – rsync subprocesses now use exec.CommandContext
- Updated all call sites in tests, cmd/snonux/main.go, and integration tests
- All call sites pass context.Background() / context.TODO()
All tests pass: go test ./...
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- New blank mode hides all UI except the WebGL canvas; toggled via
the ‘blank’ nav button or the b key.
- Theme switching is now in-place (no page reload), avoiding the
Web Audio context reset that used to kill ambient music.
- Nukem ambient/riff rebuilt around the classic Grabbag riff (E5
E5 G5 A5 …).
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- New theme directory: templates/themes/nukem/ (meta.json, theme.css, theme.js)
- Red/gold/black color palette with monospace typography
- WebGL: rising sparks, falling debris, rubble blocks, explosion glow
- Sound preset: 140 BPM E-minor power riffs with fanfare stabs (wild: 180 BPM thrash)
- All nav/open/close/scroll/wild/page effects implemented
Amp-Thread-ID: https://ampcode.com/threads/T-019dcd42-8558-748b-8c28-3f848400026d
Co-authored-by: Amp <amp@ampcode.com>
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Complete rewrite of all 19 theme ambient presets to eliminate the
slow waltz/lo-fi feel. Every preset now targets a driving rock/
industrial/hardstyle vibe with:
- **Much faster BPM**: normal 120–180, wild 180–260 (was 60–70 / 120–140)
- **Power chords** replace major/minor triads — aggressive distortion-ready
- **Straight eighth-note drive** replaces swung waltz melodies — punchy,
rhythmic, no floaty legato
- **More active drum patterns**: double-kick, snare backbeats,
sixteenth-note hats, clap stabs on the 16th
- **Shorter attack / release** on normal (0.3→0.02, 0.5→0.15) so everything
hits harder
- **Higher filter cutoffs** for a brighter, more aggressive timbre
- **Three drone voices** (was 4) with lower fundamental octave, fewer
frequencies, more focused. Sub-bass added via buildRockSong octave divider.
- **buildRockSong** replaces buildSong: adds sub-bass (/2 voice) and bass
hits per measure, making each bar feel like a down-beat impact
- **buildDriveMelody** replaces buildSwingMelody: straight eighth notes, no swing
- **buildStabMelody** for wild mode: short 16th-note bursts with gaps
Also bumped test BPM cap from 250→400 to accommodate the new range.
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Rewrite all 19 theme ambient presets with chord progressions, bass drones,
overlapping chord pads (dur > step on melodyNote), and swing melodies.
Add per-theme 16-step drum patterns (kick, snare, hat, clap) synthesized
in the Web Audio engine.
Go (theme_sounds.go):
- Add Step field to melodyNote for sequencer timing independent of duration
- Add Drums []string field to ambientPreset for 16-step patterns
- Add buildMeasure, buildSong, buildSwingMelody, and pat helpers
- Rewrite every sounds*() func with I–IV–V–I progressions, bass, and melody
JS (shared.js):
- Fix startEngine() to await ctx.resume() before scheduling
- Make masterGain a binary gate (fade to 1.0 in ~50 ms), not preset.gain
- Fix startDrones() to scale by preset.gain instead of 1.0/numDrones
- Add twin-oscillator detuned timbre in playMelodyNote()
- Add synthesized drum engine: playDrum(), scheduleDrums(), stopDrums()
- Keep splash sounds bypassing masterGain so they never get gated out
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Rewrite all 19 theme melodies into proper ~10-16 second looping songs
with bass drones, chord pads, and scalar melody lines using the new
'step' field for polyphonic overlap on a monophonic step sequencer.
Fix four bugs that caused total silence:
1. masterGain was faded to preset.gain while each note was ALSO scaled
by preset.gain*0.6, squaring volume to ~-68 dB.
2. fadeMasterTo ramped the gate for 0.5-1.5s, swallowing first notes.
3. startDrones set per-osc gain to 1.0/numDrones, clipping and burying
the melody.
4. AudioContext resume was not awaited; notes fired into a suspended
context and were lost.
Shared.js:
- startEngine() waits for ctx.resume() before scheduling anything.
- masterGain acts as a binary gate (fades to 1.0 over 50ms).
- playMelodyNote uses twin detuned oscillators for richer timbre.
- startDrones scales by preset.gain so drones match melody level.
Theme_sounds.go:
- Add 'step' field to melodyNote struct.
- Add chord-building helpers (major/minor triads).
- Add buildSong() / buildMeasure() for structured 4-bar loops.
- All 19 themes: audible bass (130-220Hz), chord pads (260-520Hz),
melodies (330-1046Hz), real chord progressions, proper BPM.
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Each theme now has a distinctive looping melodic phrase (normal + wild variants)
played by the Web Audio ambient engine. This replaces the generic random-pulse
behavior that made all themes sound the same.
Go changes:
- Add melodyNote struct with freq/dur/gain fields to ambientPreset
- Add n() helper for concise melody construction
- Rewrite all 19 theme presets with unique melodic phrases:
neon=glassy arpeggio, terminal=sparse CRT beeps, synthwave=warm minor,
plasma=tritone shimmer, brutalist=concrete rumble, volcano=phrygian,
aurora=high shimmer, matrix=digital ostinato, ocean=wave flow,
dos=8-bit arpeggio, retro=VHS warmth, cosmos=vast fifths,
retrofuture=lounge minor-7, spaceage=pure ascending, tropicale=pentatonic,
noir=smoky minor-7, cathedral=organ thirds, surveillance=fourth alert,
biomech=diminished unease
JS changes:
- Add melodyTimer/melodyIndex state to ambient engine
- Add playMelodyNote() with per-note gain and filter support
- Add scheduleMelodyNote() with phrase-rest gaps
- schedulePulse() now routes to melody player when melody is present
- Add sawtooth support to snonuxWaveType()
- Reset melody index on startEngine() and stopAll()
Test changes:
- TestThemeSoundPresetsAmbientPopulated now accepts melody as valid content
- TestThemeSoundPresetsAmbientValuesBounded validates melody note freq/dur
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Replace generic ambient() helper calls with detailed ambientPreset literals
for every registered theme. Normal presets are now subtle (gain 0.02-0.03),
loopable, and low-fatigue. Wild presets are recognizably the same theme but
faster, denser, and more dramatic (gain 0.05-0.065).
Theme-specific changes:
- neon: glass drone with filter sweep; wild adds brighter arps
- terminal: CRT hum + sparse ticks; wild becomes rapid process storm
- synthwave: warm minor pad; wild doubles pulse with octave jumps
- plasma: tritone shimmer; wild adds aggressive sweep and noise
- brutalist: concrete rumble; wild adds blunt sub impacts with rhythm
- volcano: magma drone; wild adds tremor pulses and heat noise
- aurora: airy fifths; wild adds solar-storm detune shimmer
- matrix: digital rain ostinato; wild speeds code-rain pulses
- ocean: tidal swell + surf noise; wild adds storm surge
- dos: PC speaker hum; wild becomes IRQ panic at 200 BPM
- retro: amber chip tones; wild adds tape-eat jitter and noise
- cosmos: wide fifth/octave drone; wild adds supernova pulse
- retrofuture: atomic lounge pad; wild adds Geiger-like rhythm
- spaceage: theremin sines; wild adds re-entry alarm pings
- tropicale: dusk pentatonic surf; wild adds category-5 percussion
- noir: smoky minor drone; wild adds siren-like intervals
- cathedral: organ stacked sines; wild adds bell/requiem intensity
- surveillance: monitor hum/scanner; wild adds alert cascade
- biomech: organic asymmetric drone; wild adds nervous wet pulses
All generator tests pass.
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Extend themeSounds with Ambient field containing Normal and Wild
variants. Each ambientPreset carries numeric/string fields for
generative background audio: bpm, pulseInterval, gain, wave,
droneFreqs, pulseFreqs, cutoffMin/cutoffMax, noiseGain, attack,
release, detuneCents, and rhythm.
Populate all 19 existing themes with normal and wild ambient presets
using a concise ambient() helper. Existing splash/nav/open/close/bounce
fields remain unchanged for backwards compatibility.
Add TestThemeSoundsJSON_ambientSchema to verify every theme emits
valid JSON containing both ambient variants alongside the legacy
sound fields.
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Amp-Thread-ID: https://ampcode.com/threads/T-019db698-f351-7161-a397-1cce1fdab440
Co-authored-by: Amp <amp@ampcode.com>
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The zoomed-in post modal (opened with Enter/click) used #modal-content to
display post HTML, but the CSS typography rules (.post-text p/ul/ol/li margin
and padding) only targeted the .post-text class used in the list view. This
caused visually different formatting — missing paragraph spacing and unindented
lists — in the expanded modal compared to the feed.
Fix: extend all .post-text typography selectors in nav.tmpl to also cover
#modal-content, so both views apply identical spacing rules.
Also adds a missing spaceage theme sound preset to satisfy the
TestThemeSoundPresetsMatchRegistry test that was already failing.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Amp-Thread-ID: https://ampcode.com/threads/T-019d94cc-99a9-74af-8f3d-9521cd73324f
Co-authored-by: Amp <amp@ampcode.com>
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Per-theme Web Audio presets; pagination footer bar with reduced height;
brutalist splash label tweak; doc updates.
Made-with: Cursor
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