From 08db6cf19ec36bb8536e3880a70f5cc349f153e3 Mon Sep 17 00:00:00 2001
From: Gordon JC Pearce <gordonjcp@gmail.com>
Date: Thu, 22 Jun 2023 23:04:53 +0100
Subject: [PATCH] hacky declicker

---
 plugins/Nekobi/nekobee-src/nekobee_voice.c        |  4 ++--
 plugins/Nekobi/nekobee-src/nekobee_voice.h        |  4 ++++
 plugins/Nekobi/nekobee-src/nekobee_voice_render.c | 12 +++++++++++-
 3 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/plugins/Nekobi/nekobee-src/nekobee_voice.c b/plugins/Nekobi/nekobee-src/nekobee_voice.c
index e223b61..cb7b029 100644
--- a/plugins/Nekobi/nekobee-src/nekobee_voice.c
+++ b/plugins/Nekobi/nekobee-src/nekobee_voice.c
@@ -63,7 +63,6 @@ nekobee_voice_note_on(nekobee_synth_t *synth, nekobee_voice_t *voice,
     // 1.5M and 1uF
     voice->vca_tc = 1 / 1.5 * synth->deltat;
 
-
    if (!synth->monophonic || !(_ON(voice) || _SUSTAINED(voice))) {
 
         // brand-new voice, or monophonic voice in release phase; set everything up 
@@ -184,7 +183,8 @@ nekobee_voice_note_off(nekobee_synth_t *synth, nekobee_voice_t *voice,
 {
     unsigned char previous_top_key;
 
-    voice->vca_tc = 1 / 0.0022 * synth->deltat;
+//printf("voice->vca_tc=%f", voice->vca_tc);
+    voice->vca_tc = (10) * synth->deltat;
 
 
     /* save release velocity */
diff --git a/plugins/Nekobi/nekobee-src/nekobee_voice.h b/plugins/Nekobi/nekobee-src/nekobee_voice.h
index f45abc6..21a312e 100644
--- a/plugins/Nekobi/nekobee-src/nekobee_voice.h
+++ b/plugins/Nekobi/nekobee-src/nekobee_voice.h
@@ -78,10 +78,14 @@ struct _nekobee_voice_t {
     struct blosc_t osc;
     float vca_eg, vcf_eg, accent_slug, delay1, delay2, delay3, delay4;
     float vca_tc, vcf_tc;   // VCA and VCF time constants
+    
+    float vca_slug;
+    
     unsigned char vca_eg_phase, vcf_eg_phase;
     int osc_index; /* shared index into osc_audio */
     float osc_audio[XSYNTH_NUGGET_SIZE];
     float delayhp;
+
     
 };
 
diff --git a/plugins/Nekobi/nekobee-src/nekobee_voice_render.c b/plugins/Nekobi/nekobee-src/nekobee_voice_render.c
index c3665c3..6733406 100644
--- a/plugins/Nekobi/nekobee-src/nekobee_voice_render.c
+++ b/plugins/Nekobi/nekobee-src/nekobee_voice_render.c
@@ -120,6 +120,8 @@ void vcf(nekobee_synth_t *synth, float *out, uint32_t count) {
 
     float vcf_eg = voice->vcf_eg;
     float vca_eg = voice->vca_eg;
+    float vca_slug = voice->vca_slug;
+
     float delayhp = voice->delayhp;
 
     // to get the correct cutoff first we need Q10's collector current
@@ -194,7 +196,8 @@ void vcf(nekobee_synth_t *synth, float *out, uint32_t count) {
             delayhp = hp;
             fout = delay4-hp;
         }
-        out[i] = fout * vca_eg;
+        vca_slug = ((vca_eg - vca_slug)*(3000*synth->deltat))+vca_slug;
+        out[i] = fout * vca_slug;
         vcf_eg *= 1 - voice->vcf_tc;
         vca_eg *= 1 - voice->vca_tc;
 
@@ -206,6 +209,7 @@ void vcf(nekobee_synth_t *synth, float *out, uint32_t count) {
 
     voice->vcf_eg = vcf_eg;
     voice->vca_eg = vca_eg;
+    voice->vca_slug = vca_slug;
 
     voice->delayhp = delayhp;
 }
@@ -219,8 +223,14 @@ void nekobee_voice_render(nekobee_synth_t *synth, float *out, uint32_t count) {
     // resistor, a 1uF capacitor, and a bunch of other stuff to give a correct
     // DC offset and a log tailoff right at the very bottom
 
+    if (synth->voice->velocity < 90) {
+        printf("accent off\n");
     synth->voice->vcf_tc =
         (1 / ((68 + 1000 * logpot[(int)synth->decay]) * 0.001)) * synth->deltat;
+    } else {
+        synth->voice->vcf_tc = 1/(68*0.001)*synth->deltat;
+        printf("accent on\n");
+    }
     // printf("tc = %f deltat=%f pot=%f\n",synth->voice->vcf_tc,
     // synth->deltat,logpot[(int)synth->decay]);