From 7828597e5f159010c168f9fe366828825fc75205 Mon Sep 17 00:00:00 2001
From: grm <grm@eyesin.space>
Date: Thu, 27 Nov 2025 15:53:51 +0200
Subject: chore: remove x value, tidy some code

---
 src/synth_engine_v2.c | 33 +++++++++++----------------------
 1 file changed, 11 insertions(+), 22 deletions(-)

(limited to 'src/synth_engine_v2.c')

diff --git a/src/synth_engine_v2.c b/src/synth_engine_v2.c
index 95ed61b..e15df85 100644
--- a/src/synth_engine_v2.c
+++ b/src/synth_engine_v2.c
@@ -1,7 +1,6 @@
 #include "synth_engine.h"
 #include "synth_math.h"
 #include "lowpass.h"
-#include "filter.h"
 #include "control.h"
 #include "sound.h"
 #include "midi.h"
@@ -12,63 +11,56 @@
 #include <time.h>
 
 float
-gen0(float f, midi_note_t * midi_note, float x, unsigned int sample_rate)
+gen0(float f, midi_note_t * midi_note)
 {
-  (void)x; (void)sample_rate;
   float sample = osc_sin(midi_note->wvt_index);
   midi_note->wvt_index = osc_sin_next(f, midi_note->wvt_index);
   return sample;
 }
 
 float
-gen1(float f, midi_note_t * midi_note, float x, unsigned int sample_rate)
+gen1(float f, midi_note_t * midi_note)
 {
-  (void)x; (void)sample_rate;
   float sample = osc_saw(midi_note->wvt_index);
   midi_note->wvt_index = osc_saw_next(f, midi_note->wvt_index);
   return sample;
 }
 
 float
-gen2(float f, midi_note_t * midi_note, float x, unsigned int sample_rate)
+gen2(float f, midi_note_t * midi_note)
 {
-  (void)x; (void)sample_rate;
   float sample = osc_weird(midi_note->wvt_index);
   midi_note->wvt_index = osc_weird_next(f, midi_note->wvt_index);
   return sample;
 }
 
 float
-gen3(float f, midi_note_t * midi_note, float x, unsigned int sample_rate)
+gen3(float f, midi_note_t * midi_note)
 {
-  (void)x; (void)sample_rate;
   float sample = osc_tri(midi_note->wvt_index);
   midi_note->wvt_index = osc_tri_next(f, midi_note->wvt_index);
   return sample;
 }
 
 float
-gen4(float f, midi_note_t * midi_note, float x, unsigned int sample_rate)
+gen4(float f, midi_note_t * midi_note)
 {
-  (void)x; (void)sample_rate;
   float sample = osc_sound(midi_note->wvt_index);
   midi_note->wvt_index = osc_sound_next(f, midi_note->wvt_index);
   return sample;
 }
 
 float
-gen5(float f, midi_note_t * midi_note, float x, unsigned int sample_rate)
+gen5(float f, midi_note_t * midi_note)
 {
-  (void)x; (void)sample_rate;
   float sample = osc_digisaw(midi_note->wvt_index);
   midi_note->wvt_index = osc_digisaw_next(f, midi_note->wvt_index);
   return sample;
 }
 
 float
-gen6(float f, midi_note_t * midi_note, float x, unsigned int sample_rate)
+gen6(float f, midi_note_t * midi_note)
 {
-  (void)x; (void)sample_rate;
   float sample = osc_sqr(midi_note->wvt_index);
   midi_note->wvt_index = osc_sqr_next(f, midi_note->wvt_index);
   return sample;
@@ -196,7 +188,7 @@ get_max_sample(synth_t *synth, int test_size)
     note_dup.adsr =  note->adsr;
     note_dup.active = note->active;      
     for (int i = 0; i < test_size; i++) {
-      osc_wave[i] += synth->gen[synth->geni](note_dup.freq * 3, &note_dup, synth->x, SAMPLE_RATE);
+      osc_wave[i] += synth->gen[synth->geni](note_dup.freq * 3, &note_dup);
     }
   }
 
@@ -220,9 +212,9 @@ float Q_rsqrt(float number)
 }
 
 float
-make_single_sample(synth_t *synth, float freq, midi_note_t * note, unsigned int sample_rate)
+make_single_sample(synth_t *synth, float freq, midi_note_t * note)
 {
-  return synth->gen[synth->geni](freq, note, synth->x, sample_rate);
+  return synth->gen[synth->geni](freq, note);
 }
 
 /**
@@ -275,8 +267,7 @@ make_sample(synth_t * synth, unsigned int sample_rate, int frame)
 
     sample += rms * note->velocity * adsr * make_single_sample(synth,
                                                                targ_freq,
-                                                               note,
-                                                               sample_rate);
+                                                               note);
   }
 
   /* filter */
@@ -540,8 +531,6 @@ init_synth(void)
   // synth->modi = 0;
   synth->autogain = 1;
 
-  synth->x = 1;
-  
   synth->adsr.a = 0.00001f;
   synth->adsr.peak = 1.0f;
   synth->adsr.d = 0.3;
-- 
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