From 1e374b426b4182c7b73b35219aadaca267b9623c Mon Sep 17 00:00:00 2001
From: gramanas <anastasis.gramm2@gmail.com>
Date: Wed, 19 Apr 2023 04:00:08 +0300
Subject: fake poly

---
 src/synth_gui.c | 40 +++++++++++++++++++++++++++++++++++++---
 1 file changed, 37 insertions(+), 3 deletions(-)

(limited to 'src/synth_gui.c')

diff --git a/src/synth_gui.c b/src/synth_gui.c
index f5e02cf..d09a9b6 100644
--- a/src/synth_gui.c
+++ b/src/synth_gui.c
@@ -14,8 +14,16 @@ set_note(void *synthData, float note, PaTime time, int key)
   synth->n.noteOn = time;
   synth->n.noteOff = 0;
   synth->n.elapsed = 0;
-  synth->adsr.elapsed = 0;
+  if (synth->poly) {
+    if (!synth->notes_active) synth->adsr.elapsed = 0;
+  } else {
+    synth->adsr.elapsed = 0;
+  }
+      
   synth->active = 1;
+
+  synth->freq[synth->notes_active]  = note;
+  synth->freq_count[synth->notes_active++] = 0;
 }
 
 
@@ -33,15 +41,40 @@ keyboard(void *synthData, PaStream *stream)
       note = notes[i % 12][(synth->octave + (i / 12)) % 8];
       if (note) {
         set_note(synth, note, Pa_GetStreamTime(stream), keys[i]);
-        printf("Note On : %s[%d]\n", int_to_note(i % 12), (synth->octave + (i / 12)) % 8);
+        //printf("Note On : %s[%d] %fHz\n", int_to_note(i % 12), (synth->octave + (i / 12)) % 8, note);
+      }
+      printf("[");
+      for (int j = 0; j < synth->notes_active; j++) {
+        printf("%f ", synth->freq[j]);
       }
+      printf("]\n");
     }
   }
   for (int i = 0; keys[i]; i++) {
     if (IsKeyReleased(keys[i])) {
+      note = notes[i % 12][(synth->octave + (i / 12)) % 8];
+      int j;
+      for (j = 0; j < synth->notes_active; j++) {
+        // printf("Comparing freq(j): %f to note: %f\n", synth->freq[j], note);
+        if (synth->freq[j] == note) {
+          synth->freq[j]  = 0;
+          synth->notes_active--;
+          //printf("Note down %f\n", note);
+          break;
+        }
+      }
+      for (int k = j; k < synth->notes_active + 1; k++) {
+        //printf("moving %f <-- %f\n", synth->freq[k], synth->freq[k + 1]);
+        synth->freq[k]  = synth->freq[k + 1];
+      }
+      printf("[");
+      for (int j = 0; j < synth->notes_active; j++) {
+        printf("%f ", synth->freq[j]);
+      }
+      printf("]\n");
       if (synth->n.key == keys[i]) {
         synth->n.noteOff = Pa_GetStreamTime(stream);
-        printf("Note Off: %s[%d]\n", int_to_note(i % 12), (synth->octave + (i / 12)) % 8);
+        //printf("Note Off: %s[%d]\n", int_to_note(i % 12), (synth->octave + (i / 12)) % 8);
       }
     }
   }
@@ -147,6 +180,7 @@ rayrun(void *synthData, PaStream *stream)
 
     synth->multi = GuiToggle((Rectangle){ WIDTH - 100 - 50 - 100 - 50 , 50, 100, 24 }, "!MULTI!", synth->multi);
     synth->filter = GuiToggle((Rectangle){ WIDTH - 100 - 50 - 100 - 50 , 50 + 24 + 6, 100, 24 }, "FILTER", synth->filter);
+    synth->poly = GuiToggle((Rectangle){ WIDTH - 100 - 50 - 100 - 50 , 50 + 24 + 6 + 24 + 6, 100, 24 }, "POLY", synth->poly);
 
     GuiSpinner((Rectangle){ WIDTH - 100 - 50 , 50, 100, 24 }, "oct: ", &(synth->octave), 0, 7, 0);
     snprintf(buf, sizeof buf, "generator %d  --> ", synth->geni);
-- 
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