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Merge pull request #235 from gwilymk/print-text-in-sound-examples
Print text in sound examples
This commit is contained in:
commit
0dc6ba48c3
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@ -1,47 +1,100 @@
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#![no_std]
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#![no_main]
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use agb::sound::mixer::SoundChannel;
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use agb::{include_wav, Gba};
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use agb::{
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display::{
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tiled::{RegularBackgroundSize, RegularMap, TileSetting, VRamManager},
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Font, Priority,
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},
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include_font, include_wav,
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sound::mixer::SoundChannel,
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Gba,
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};
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use core::fmt::Write;
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// Music - "Crazy glue" by Josh Woodward, free download at http://joshwoodward.com
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const LET_IT_IN: &[u8] = include_wav!("examples/JoshWoodward-CrazyGlue.wav");
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const CRAZY_GLUE: &[u8] = include_wav!("examples/JoshWoodward-CrazyGlue.wav");
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const FONT: Font = include_font!("examples/font/yoster.ttf", 12);
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#[agb::entry]
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fn main(mut gba: Gba) -> ! {
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let vblank_provider = agb::interrupt::VBlank::get();
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let (gfx, mut vram) = gba.display.video.tiled0();
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let mut bg = gfx.background(Priority::P0, RegularBackgroundSize::Background32x32);
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init_background(&mut bg, &mut vram);
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let mut writer = FONT.render_text((0u16, 3u16).into(), 1, 0, &mut bg, &mut vram);
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writeln!(&mut writer, "Crazy Glue by Josh Woodward").unwrap();
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writer.commit();
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bg.commit(&mut vram);
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bg.show();
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let timer_controller = gba.timers.timers();
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let mut timer = timer_controller.timer2;
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timer.set_enabled(true);
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let mut mixer = gba.mixer.mixer();
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mixer.enable();
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let _interrupt = mixer.setup_interrupt_handler();
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let mut channel = SoundChannel::new(LET_IT_IN);
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let mut channel = SoundChannel::new(CRAZY_GLUE);
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channel.stereo();
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mixer.play_sound(channel).unwrap();
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let _interrupt = mixer.setup_interrupt_handler();
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let mut frame_counter = 0i32;
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let mut has_written_frame_time = false;
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loop {
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vblank_provider.wait_for_vblank();
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bg.commit(&mut vram);
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let before_mixing_cycles = timer.value();
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mixer.frame();
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let after_mixing_cycles = timer.value();
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frame_counter = frame_counter.wrapping_add(1);
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if frame_counter % 128 == 0 {
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if frame_counter % 128 == 0 && !has_written_frame_time {
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let total_cycles = after_mixing_cycles.wrapping_sub(before_mixing_cycles) as u32;
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let percent = (total_cycles * 100) / 280896;
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agb::println!(
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"Took {} cycles to calculate mixer ~= {}% of total frame",
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total_cycles,
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percent
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let mut writer = FONT.render_text((0u16, 6u16).into(), 2, 0, &mut bg, &mut vram);
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writeln!(&mut writer, "{total_cycles} cycles").unwrap();
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writeln!(&mut writer, "{percent} percent").unwrap();
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writer.commit();
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has_written_frame_time = true;
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}
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}
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}
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fn init_background(bg: &mut RegularMap, vram: &mut VRamManager) {
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let background_tile = vram.new_dynamic_tile().fill_with(0);
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vram.set_background_palette_raw(&[
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0x0000, 0x0ff0, 0x00ff, 0xf00f, 0xf0f0, 0x0f0f, 0xaaaa, 0x5555, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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]);
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for y in 0..20u16 {
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for x in 0..30u16 {
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bg.set_tile(
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vram,
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(x, y).into(),
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&background_tile.tile_set(),
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TileSetting::from_raw(background_tile.tile_index()),
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);
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}
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}
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vram.remove_dynamic_tile(background_tile);
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}
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@ -1,16 +1,41 @@
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#![no_std]
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#![no_main]
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use agb::sound::mixer::SoundChannel;
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use agb::{include_wav, Gba};
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use agb::{
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display::{
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tiled::{RegularBackgroundSize, RegularMap, TileSetting, VRamManager},
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Font, Priority,
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},
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include_font, include_wav,
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sound::mixer::SoundChannel,
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Gba,
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};
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use core::fmt::Write;
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// Music - "Let it in" by Josh Woodward, free download at http://joshwoodward.com
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const LET_IT_IN: &[u8] = include_wav!("examples/JoshWoodward-LetItIn.wav");
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const FONT: Font = include_font!("examples/font/yoster.ttf", 12);
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#[agb::entry]
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fn main(mut gba: Gba) -> ! {
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let vblank_provider = agb::interrupt::VBlank::get();
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let (gfx, mut vram) = gba.display.video.tiled0();
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let mut bg = gfx.background(Priority::P0, RegularBackgroundSize::Background32x32);
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init_background(&mut bg, &mut vram);
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let mut writer = FONT.render_text((0u16, 3u16).into(), 1, 0, &mut bg, &mut vram);
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writeln!(&mut writer, "Let it in by Josh Woodward").unwrap();
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writer.commit();
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bg.commit(&mut vram);
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bg.show();
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let timer_controller = gba.timers.timers();
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let mut timer = timer_controller.timer2;
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timer.set_enabled(true);
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@ -23,8 +48,11 @@ fn main(mut gba: Gba) -> ! {
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mixer.play_sound(channel).unwrap();
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let mut frame_counter = 0i32;
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let mut has_written_frame_time = false;
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loop {
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vblank_provider.wait_for_vblank();
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bg.commit(&mut vram);
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let before_mixing_cycles = timer.value();
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mixer.after_vblank();
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mixer.frame();
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@ -32,15 +60,40 @@ fn main(mut gba: Gba) -> ! {
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frame_counter = frame_counter.wrapping_add(1);
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if frame_counter % 128 == 0 {
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if frame_counter % 128 == 0 && !has_written_frame_time {
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let total_cycles = after_mixing_cycles.wrapping_sub(before_mixing_cycles) as u32;
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let percent = (total_cycles * 100) / 280896;
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agb::println!(
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"Took {} cycles to calculate mixer ~= {}% of total frame",
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total_cycles,
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percent
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let mut writer = FONT.render_text((0u16, 6u16).into(), 2, 0, &mut bg, &mut vram);
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writeln!(&mut writer, "{total_cycles} cycles").unwrap();
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writeln!(&mut writer, "{percent} percent").unwrap();
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writer.commit();
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has_written_frame_time = true;
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}
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}
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}
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fn init_background(bg: &mut RegularMap, vram: &mut VRamManager) {
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let background_tile = vram.new_dynamic_tile().fill_with(0);
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vram.set_background_palette_raw(&[
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0x0000, 0x0ff0, 0x00ff, 0xf00f, 0xf0f0, 0x0f0f, 0xaaaa, 0x5555, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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]);
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for y in 0..20u16 {
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for x in 0..30u16 {
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bg.set_tile(
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vram,
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(x, y).into(),
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&background_tile.tile_set(),
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TileSetting::from_raw(background_tile.tile_index()),
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);
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}
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}
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vram.remove_dynamic_tile(background_tile);
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}
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