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feat: expand synth presets + bump version to 1.2.4 #9

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Merged
illobo merged 1 commit into from
Mar 12, 2026
Merged

feat: expand synth presets + bump version to 1.2.4 #9

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2 changes: 1 addition & 1 deletion Cargo.toml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
[package]
name = "textstep"
version = "1.2.3"
version = "1.2.4"
edition = "2024"

[dependencies]
Expand Down
325 changes: 324 additions & 1 deletion src/presets/synth_presets.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@ const fn sp(
}
}

/// Override LFO settings on a preset
/// Override LFO1 settings on a preset
const fn with_lfo(mut p: SynthParams, wave: u8, div: f32, depth: f32, dest: u8) -> SynthParams {
p.lfo_waveform = wave;
p.lfo_division = div;
Expand All @@ -39,6 +39,31 @@ const fn with_lfo(mut p: SynthParams, wave: u8, div: f32, depth: f32, dest: u8)
p
}

/// Override LFO2 settings on a preset
const fn with_lfo2(mut p: SynthParams, wave: u8, div: f32, depth: f32, dest: u8) -> SynthParams {
p.lfo2_waveform = wave;
p.lfo2_division = div;
p.lfo2_depth = depth;
p.lfo2_dest = dest;
p
}

/// Override both LFO1 and LFO2 settings
const fn with_lfos(
p: SynthParams,
w1: u8, d1: f32, dp1: f32, dst1: u8,
w2: u8, d2: f32, dp2: f32, dst2: u8,
) -> SynthParams {
with_lfo2(with_lfo(p, w1, d1, dp1, dst1), w2, d2, dp2, dst2)
}

/// Override send effects on a preset
const fn with_sends(mut p: SynthParams, reverb: f32, delay: f32) -> SynthParams {
p.send_reverb = reverb;
p.send_delay = delay;
p
}

pub static SYNTH_PRESETS: &[SynthSoundPreset] = &[
// ── Bass ─────────────────────────────────────────────────────────────
SynthSoundPreset {
Expand Down Expand Up @@ -102,6 +127,46 @@ pub static SYNTH_PRESETS: &[SynthSoundPreset] = &[
0.80),
1, 0.47, 0.3, 3), // LFO: Tri, 1/4, moderate, → Osc1 PWM
},
SynthSoundPreset {
name: "Growl Bass", category: "Bass",
// Saw + sub, LFO1 wobbles filter, LFO2 pumps osc2 level rhythmically
params: with_lfos(sp(1, 0.5, 0.0, 0.9,
1, 0.5, 0.0, 0.5, 0.54,
0.6,
0.01, 0.2, 0.9, 0.1,
0.01, 0.2, 0.9, 0.1,
0, 0.35, 0.45, 0.15,
0.0, 0.25, 0.2, 0.1,
0.80),
1, 0.22, 0.40, 0, // LFO1: Tri, 1/8, strong → Filter
4, 0.35, 0.30, 7), // LFO2: Square, 1/4T, moderate → Osc2 Level
},
SynthSoundPreset {
name: "Rubber Bass", category: "Bass",
// Sine + detuned saw, LFO1 slow pitch drift, LFO2 on filter
params: with_lfos(sp(2, 0.5, 0.0, 0.8,
1, 0.5, 0.0, 0.6, 0.53,
0.5,
0.01, 0.15, 0.85, 0.12,
0.01, 0.15, 0.85, 0.12,
0, 0.38, 0.25, 0.10,
0.0, 0.3, 0.2, 0.15,
0.78),
0, 0.67, 0.06, 2, // LFO1: Sine, 1 bar, subtle → Osc1 Pitch
1, 0.47, 0.20, 0), // LFO2: Tri, 1/4, moderate → Filter
},
SynthSoundPreset {
name: "FM Bass", category: "Bass",
// Square + sine octave up, snappy filter env
params: sp(0, 0.5, 0.5, 0.7,
2, 0.75, 0.0, 0.5, 0.5, // Sine +12
0.4,
0.00, 0.12, 0.6, 0.08,
0.00, 0.12, 0.6, 0.08,
0, 0.30, 0.35, 0.50, // LP, low cutoff, reso, strong env
0.0, 0.10, 0.0, 0.06,
0.82),
},

// ── Lead ─────────────────────────────────────────────────────────────
SynthSoundPreset {
Expand Down Expand Up @@ -141,6 +206,34 @@ pub static SYNTH_PRESETS: &[SynthSoundPreset] = &[
0.70),
0, 0.35, 0.12, 2), // LFO: Sine, moderate rate, vibrato, → Osc1 Tune
},
SynthSoundPreset {
name: "Trance Lead", category: "Lead",
// Bright saw, LFO1 on PWM, LFO2 slow filter sweep for movement
params: with_lfos(sp(1, 0.5, 0.0, 0.9,
0, 0.5, 0.4, 0.5, 0.52,
0.0,
0.03, 0.2, 0.85, 0.35,
0.03, 0.2, 0.85, 0.35,
0, 0.60, 0.30, 0.20,
0.01, 0.3, 0.4, 0.3,
0.72),
1, 0.47, 0.25, 3, // LFO1: Tri, 1/4, moderate → Osc1 PWM
0, 0.78, 0.15, 0), // LFO2: Sine, 2 bars, gentle → Filter
},
SynthSoundPreset {
name: "Portamento Lead", category: "Lead",
// Single saw, no osc2, vibrato + filter motion
params: with_lfos(sp(1, 0.5, 0.0, 1.0,
2, 0.5, 0.0, 0.0, 0.5, // Osc2 off
0.2,
0.04, 0.2, 0.9, 0.4,
0.04, 0.2, 0.9, 0.4,
0, 0.55, 0.20, 0.18,
0.02, 0.3, 0.3, 0.3,
0.78),
0, 0.35, 0.10, 2, // LFO1: Sine, 1/4T, vibrato → Pitch
1, 0.67, 0.12, 0), // LFO2: Tri, 1 bar, subtle → Filter
},

// ── Pad ──────────────────────────────────────────────────────────────
SynthSoundPreset {
Expand Down Expand Up @@ -195,6 +288,34 @@ pub static SYNTH_PRESETS: &[SynthSoundPreset] = &[
0.60),
0, 0.88, 0.18, 0), // LFO: Sine, 4 bars, gentle, → Filter
},
SynthSoundPreset {
name: "Shimmer Pad", category: "Pad",
// Sines detuned, LFO1 slow filter, LFO2 slow detune drift
params: with_lfos(with_sends(sp(2, 0.5, 0.0, 0.6,
2, 0.5, 0.0, 0.5, 0.53,
0.2,
0.50, 0.2, 0.85, 0.60,
0.50, 0.2, 0.85, 0.60,
0, 0.55, 0.20, 0.10,
0.4, 0.6, 0.3, 0.5,
0.62), 0.35, 0.15),
0, 0.88, 0.12, 0, // LFO1: Sine, 4 bars, subtle → Filter
1, 0.78, 0.08, 8), // LFO2: Tri, 2 bars, gentle → Osc2 Detune
},
SynthSoundPreset {
name: "Evolving Pad", category: "Pad",
// Squares with PWM, LFO1 on PWM1, LFO2 on PWM2 at different rates
params: with_lfos(with_sends(sp(0, 0.5, 0.4, 0.6,
0, 0.5, 0.6, 0.5, 0.52,
0.3,
0.45, 0.3, 0.75, 0.55,
0.45, 0.3, 0.75, 0.55,
0, 0.42, 0.15, 0.08,
0.3, 0.5, 0.3, 0.4,
0.65), 0.30, 0.10),
1, 0.67, 0.30, 3, // LFO1: Tri, 1 bar, strong → Osc1 PWM
1, 0.78, 0.25, 6), // LFO2: Tri, 2 bars, moderate → Osc2 PWM
},

// ── Pluck ────────────────────────────────────────────────────────────
SynthSoundPreset {
Expand Down Expand Up @@ -231,6 +352,31 @@ pub static SYNTH_PRESETS: &[SynthSoundPreset] = &[
0.80),
},

SynthSoundPreset {
name: "Kalimba", category: "Pluck",
// Sine + sine octave, very short decay, gentle filter env
params: sp(2, 0.5, 0.0, 0.8,
2, 0.75, 0.0, 0.4, 0.5, // Sine +12
0.0,
0.00, 0.18, 0.0, 0.08,
0.00, 0.10, 0.0, 0.06,
0, 0.65, 0.08, 0.35,
0.0, 0.12, 0.0, 0.08,
0.78),
},
SynthSoundPreset {
name: "Harp", category: "Pluck",
// Saw + sine, moderate decay, open filter
params: with_sends(sp(1, 0.5, 0.0, 0.6,
2, 0.5, 0.0, 0.5, 0.51,
0.0,
0.00, 0.35, 0.0, 0.25,
0.00, 0.25, 0.0, 0.20,
0, 0.60, 0.12, 0.40,
0.0, 0.25, 0.0, 0.2,
0.72), 0.30, 0.15),
},

// ── Stab ─────────────────────────────────────────────────────────────
SynthSoundPreset {
name: "Chord Stab", category: "Stab",
Expand All @@ -255,6 +401,31 @@ pub static SYNTH_PRESETS: &[SynthSoundPreset] = &[
0.75),
},

SynthSoundPreset {
name: "Detroit Stab", category: "Stab",
// Single saw, fast filter env snap
params: sp(1, 0.5, 0.0, 0.9,
1, 0.5, 0.0, 0.0, 0.5,
0.2,
0.00, 0.08, 0.0, 0.06,
0.00, 0.08, 0.0, 0.06,
0, 0.30, 0.20, 0.70, // LP, low cut, strong env
0.0, 0.06, 0.0, 0.04,
0.82),
},
SynthSoundPreset {
name: "Brass Stab", category: "Stab",
// Two saws, medium attack for brass-like onset
params: sp(1, 0.5, 0.0, 0.8,
1, 0.5, 0.0, 0.7, 0.53,
0.3,
0.06, 0.12, 0.5, 0.12,
0.06, 0.12, 0.5, 0.12,
0, 0.45, 0.15, 0.35,
0.04, 0.10, 0.2, 0.1,
0.78),
},

// ── Keys ─────────────────────────────────────────────────────────────
SynthSoundPreset {
name: "Electric Piano", category: "Keys",
Expand Down Expand Up @@ -292,6 +463,118 @@ pub static SYNTH_PRESETS: &[SynthSoundPreset] = &[
0.80),
},

SynthSoundPreset {
name: "Wurlitzer", category: "Keys",
// Sine with tremolo (LFO1→Volume) and gentle filter env
params: with_lfo(sp(2, 0.5, 0.0, 0.8,
2, 0.75, 0.0, 0.2, 0.5, // Sine +12, subtle
0.0,
0.01, 0.35, 0.55, 0.25,
0.01, 0.20, 0.3, 0.15,
0, 0.50, 0.12, 0.20,
0.0, 0.25, 0.15, 0.2,
0.72),
0, 0.47, 0.10, 10), // LFO: Sine, 1/4, tremolo → Volume
},
SynthSoundPreset {
name: "Toy Piano", category: "Keys",
// Square, short decay, bright, no filter env
params: sp(0, 0.5, 0.5, 0.8,
2, 0.75, 0.0, 0.3, 0.5,
0.0,
0.00, 0.20, 0.0, 0.10,
0.00, 0.12, 0.0, 0.08,
0, 0.70, 0.05, 0.20,
0.0, 0.10, 0.0, 0.08,
0.75),
},

// ── Drums (synth-based percussion) ─────────────────────────────────
SynthSoundPreset {
name: "Synth Kick", category: "Drums",
// Sine with fast pitch drop (sweep), no sustain, punchy
params: sp(2, 0.25, 0.0, 1.0, // Sine, low tune
2, 0.5, 0.0, 0.0, 0.5, // Osc2 off
0.7, // Heavy sub
0.00, 0.15, 0.0, 0.02, // Very short envelope
0.00, 0.08, 0.0, 0.02,
0, 0.45, 0.0, 0.30, // LP, moderate, some env
0.0, 0.06, 0.0, 0.02,
0.90),
},
SynthSoundPreset {
name: "808 Kick", category: "Drums",
// Long sine sub with pitch sweep
params: sp(2, 0.20, 0.0, 1.0,
2, 0.5, 0.0, 0.0, 0.5,
0.8,
0.00, 0.40, 0.0, 0.05, // Medium-long decay
0.00, 0.25, 0.0, 0.05,
0, 0.35, 0.0, 0.15,
0.0, 0.10, 0.0, 0.03,
0.88),
},
SynthSoundPreset {
name: "Synth Snare", category: "Drums",
// Noise + sine body, short decay
params: sp(2, 0.45, 0.0, 0.6, // Sine body
3, 0.5, 0.5, 0.7, 0.5, // Noise layer
0.0,
0.00, 0.12, 0.0, 0.04,
0.00, 0.08, 0.0, 0.03,
0, 0.55, 0.15, 0.45, // LP, moderate env
0.0, 0.08, 0.0, 0.03,
0.82),
},
SynthSoundPreset {
name: "Noise Snare", category: "Drums",
// Pure noise, tight filter env for snap
params: sp(3, 0.5, 0.5, 0.9,
3, 0.5, 0.3, 0.3, 0.5,
0.0,
0.00, 0.10, 0.0, 0.03,
0.00, 0.06, 0.0, 0.02,
0, 0.40, 0.30, 0.60,
0.0, 0.06, 0.0, 0.02,
0.80),
},
SynthSoundPreset {
name: "Synth Tom", category: "Drums",
// Sine with pitch sweep, medium decay
params: sp(2, 0.40, 0.0, 0.9,
2, 0.5, 0.0, 0.0, 0.5,
0.3,
0.00, 0.22, 0.0, 0.05,
0.00, 0.15, 0.0, 0.04,
0, 0.50, 0.10, 0.25,
0.0, 0.10, 0.0, 0.04,
0.80),
},
SynthSoundPreset {
name: "Zap", category: "Drums",
// Fast pitch sweep down, very short — like a 909 zap
params: sp(2, 0.55, 0.0, 1.0,
2, 0.5, 0.0, 0.0, 0.5,
0.0,
0.00, 0.06, 0.0, 0.02,
0.00, 0.04, 0.0, 0.01,
0, 0.70, 0.0, 0.80, // Strong filter env for sweep
0.0, 0.04, 0.0, 0.01,
0.78),
},
SynthSoundPreset {
name: "Clap", category: "Drums",
// Noise burst, medium decay
params: sp(3, 0.5, 0.5, 0.8,
3, 0.5, 0.3, 0.4, 0.5,
0.0,
0.00, 0.15, 0.0, 0.05,
0.00, 0.10, 0.0, 0.04,
0, 0.50, 0.25, 0.40,
0.0, 0.08, 0.0, 0.04,
0.75),
},

// ── FX ───────────────────────────────────────────────────────────────
SynthSoundPreset {
name: "Noise Sweep", category: "FX",
Expand Down Expand Up @@ -328,6 +611,46 @@ pub static SYNTH_PRESETS: &[SynthSoundPreset] = &[
0.55),
0, 0.78, 0.25, 0), // LFO: Sine, 2 bars, moderate, → Filter
},
SynthSoundPreset {
name: "Siren", category: "FX",
// Sine, fast LFO1 on pitch, LFO2 on filter for texture
params: with_lfos(sp(2, 0.5, 0.0, 0.9,
2, 0.5, 0.0, 0.0, 0.5,
0.0,
0.01, 0.1, 1.0, 0.3,
0.01, 0.1, 1.0, 0.3,
0, 0.60, 0.10, 0.0,
0.0, 0.1, 0.0, 0.1,
0.70),
0, 0.10, 0.35, 2, // LFO1: Sine, 1/16, strong → Pitch
1, 0.47, 0.20, 0), // LFO2: Tri, 1/4, moderate → Filter
},
SynthSoundPreset {
name: "Riser", category: "FX",
// Noise, long attack envelope, building tension
params: sp(3, 0.5, 0.5, 0.7,
3, 0.5, 0.3, 0.4, 0.5,
0.0,
0.90, 0.1, 0.8, 0.30, // Very long attack
0.90, 0.1, 0.8, 0.30,
0, 0.25, 0.35, 0.50, // LP, low cut, opens with env
0.80, 0.2, 0.6, 0.3, // Filter env also long attack
0.65),
},
SynthSoundPreset {
name: "Robot", category: "FX",
// Square, LFO1 fast on pitch (ring mod effect), LFO2 on volume (tremolo)
params: with_lfos(sp(0, 0.5, 0.5, 0.8,
0, 0.75, 0.5, 0.4, 0.5,
0.0,
0.01, 0.1, 0.8, 0.1,
0.01, 0.1, 0.8, 0.1,
0, 0.50, 0.15, 0.0,
0.0, 0.1, 0.0, 0.05,
0.70),
0, 0.05, 0.20, 2, // LFO1: Sine, 1/16D, fast pitch → ring mod
4, 0.22, 0.40, 10), // LFO2: Square, 1/8, strong tremolo → Volume
},
];

pub fn categories() -> Vec<&'static str> {
Expand Down
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