From 0391e4b7ac374bf210be79db66d188494ed2dd45 Mon Sep 17 00:00:00 2001
From: Bad Diode <bd@badd10de.dev>
Date: Fri, 11 Jun 2021 22:13:47 +0200
Subject: Load all assets on VRAM at init

---
 src/sequencer.c | 32 ++++++++++++++++++--------------
 1 file changed, 18 insertions(+), 14 deletions(-)

diff --git a/src/sequencer.c b/src/sequencer.c
index efec779..6859ba5 100644
--- a/src/sequencer.c
+++ b/src/sequencer.c
@@ -14,9 +14,9 @@
 
 // Theme colors.
 #define COL_CURSOR           COL_BLUE
-#define COL_NOTE_PRESSED     COL_BLUE
-#define COL_CURRENT_CHANNEL  COL_FG
-#define COL_CURRENT_TRIG     COL_FG
+#define COL_NOTE_PRESSED     COL_GREY
+#define COL_CURRENT_CHANNEL  COL_GREY
+#define COL_CURRENT_TRIG     COL_GREY
 #define COL_WAVE_A           COL_RED
 #define COL_WAVE_B           COL_CYAN
 
@@ -24,7 +24,13 @@
 // Assets.
 //
 
-#define ASSETS_DATA  ((u32*)(MEM_VRAM + KB(32)))
+#define N_TILES_NOTE_NAMES 73 * 2
+#define N_TILES_CHAN_BTSN  4 * 3
+#define N_TILES_WAVE_BTNS  4 * 2
+
+#define ASSETS_NOTE_NAMES      ((u32*)(MEM_VRAM + KB(32)))
+#define ASSETS_CHANNEL_BUTTONS (ASSETS_NOTE_NAMES + (N_TILES_NOTE_NAMES * 8))
+#define ASSETS_DEFAULT_WAVES   (ASSETS_CHANNEL_BUTTONS + (N_TILES_CHAN_BTSN * 8))
 
 static const u32 note_names[] = {
     0x000000e0, 0x202020e0, 0x0000000e, 0x080e020e,
@@ -341,7 +347,7 @@ draw_trigger(size_t chan, size_t i) {
         size_t offset_y = i < 8 ? 0 : TRIG_OFFSET_Y;
         size_t x = TRIG_START_X + offset_x;
         size_t y = TRIG_START_Y + offset_y;
-        Tile *tiles = ASSETS_DATA;
+        Tile *tiles = ASSETS_NOTE_NAMES;
         tiles += 2 * trig.note;
         draw_tile(x, y, tiles, COL_FG, true);
         draw_tile(x + 8, y, tiles + 1, COL_FG, true);
@@ -389,8 +395,7 @@ void
 draw_channels(void) {
     // Contains 5 channel buttons: Ch. 1-4 + FM. We are only drawing the DMG
     // channels for now, since FM may take some time to develop.
-    Tile channel_tiles[3 * 4] = {0};
-    unpack_tiles(channel_buttons, channel_tiles, 3 * 4);
+    Tile *channel_tiles = ASSETS_CHANNEL_BUTTONS;
     size_t k = 0;
     for (size_t i = 0; i < 4; i++) {
         bool active = false;
@@ -669,10 +674,6 @@ void
 draw_parameters_ch3(void) {
     clear_parameters();
 
-    // TODO: Move to VRAM and decompress at the beginning.
-    Tile wave_tiles[4 * 2] = {0};
-    unpack_tiles(default_wave_buttons, wave_tiles, 4 * 2);
-
     // Draw current wave data.
     {
         u8 *wave_a = ch3.params[trig_selection_loc].wave_a;
@@ -709,6 +710,7 @@ draw_parameters_ch3(void) {
 
     // Draw default wave buttons.
     {
+        Tile *wave_tiles = ASSETS_DEFAULT_WAVES;
         size_t x = PARAMS_START_X;
         size_t y = PARAMS_START_Y + PARAMS_H - 7;
         for (size_t i = 0, k = 0; i < 4 * 2; i += 2, k++) {
@@ -1387,14 +1389,16 @@ handle_sequencer_input(void) {
 }
 
 void
-load_note_names(void) {
-    unpack_tiles(note_names, ASSETS_DATA, 2 * 73);
+load_assets(void) {
+    unpack_tiles(note_names, ASSETS_NOTE_NAMES, N_TILES_NOTE_NAMES);
+    unpack_tiles(channel_buttons, ASSETS_CHANNEL_BUTTONS, N_TILES_CHAN_BTSN);
+    unpack_tiles(default_wave_buttons, ASSETS_DEFAULT_WAVES, N_TILES_WAVE_BTNS);
 }
 
 void
 sequencer_init(void) {
     // Unpack non-sprite tiles directly on the VRAM.
-    load_note_names();
+    load_assets();
 
     // Initialize background objects and sprites.
     draw_triggers();
-- 
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