piano roll refactor

1 files changed, 14 insertions, 10 deletions

diff --git a/source/saw/main.c b/source/saw/main.c
index 9945480..ffc848d 100644
--- a/source/saw/main.c
+++ b/source/saw/main.c
@@ -26,7 +26,8 @@ enum {
 
   VOICE_COUNT = 16,
   ROLL_SIZE   = 40,
-  SHEET_SIZE  = 200
+  SHEET_SIZE  = 200,
+  ROLL_COUNT  = 4,
 };
 
 typedef struct {
@@ -69,14 +70,15 @@ static f64 saw_voice_duration[VOICE_COUNT] = { 0 };
 static i8  saw_playback_on    = 0;
 static i64 saw_playback_frame = 0;
 
-static saw_roll_t saw_rolls[1] = { { .last_index = -1,
-                                     .turned_off = { 0 },
-                                     .sheet      = { .rate  = 6,
-                                                     .notes = { 0 } },
-                                     .grid_input = 0,
-                                     .grid_note  = 0,
-                                     .grid_pitch = 0,
-                                     .grid_time  = 0 } };
+static saw_roll_t saw_rolls[ROLL_COUNT] = {
+  { .last_index = -1,
+    .turned_off = { 0 },
+    .sheet      = { .rate = 6, .notes = { 0 } },
+    .grid_input = 0,
+    .grid_note  = 0,
+    .grid_pitch = 0,
+    .grid_time  = 0 }
+};
 
 #ifdef __GNUC__
 #  pragma GCC diagnostic push
@@ -454,7 +456,9 @@ static void saw_frame(void) {
 
   nvgBeginFrame(saw_nvg, frame_width, frame_height, sapp_dpi_scale());
 
-  saw_ui_roll(saw_rolls, 0, 0, frame_width, frame_height);
+  saw_ui_roll(saw_rolls, 0, 0, frame_width, frame_height / 2);
+  saw_ui_roll(saw_rolls + 1, frame_height / 2, 0, frame_width,
+              frame_height / 2);
 
   nvgEndFrame(saw_nvg);