From d4314213daebea97a97441b8227fe938b98148fe Mon Sep 17 00:00:00 2001
From: Corwin <corwin@kuiper.dev>
Date: Sat, 6 May 2023 22:45:26 +0100
Subject: [PATCH] use palette in no game to save on not useful aseprite file

---
 agb/gfx/pastel.png      | Bin 0 -> 355 bytes
 agb/gfx/square.aseprite | Bin 4408 -> 0 bytes
 agb/src/no_game.rs      |  65 +++++++++++++++++++++-------------------
 3 files changed, 35 insertions(+), 30 deletions(-)
 create mode 100644 agb/gfx/pastel.png
 delete mode 100644 agb/gfx/square.aseprite

diff --git a/agb/gfx/pastel.png b/agb/gfx/pastel.png
new file mode 100644
index 0000000000000000000000000000000000000000..7ece9c36c219e84510bc6ba43d2afc235e2cd61a
GIT binary patch
literal 355
zcmV-p0i6DcP)<h;3K|Lk000e1NJLTq002M$000390{{R3S+iIr0002MP)t-snSyr2
z#DuHZgQD`ixP*w&v4Yg=k<9$Wkan5Ggrw?>dGh6=nuNH~g39ZWsQ=x>c8!^Ygv7*o
z>hhx3gt)YVqS2?3>-)&{e3g2H#H4xG>Y}gmqPT>D(TS1k)XC-gxTl1<%88Ndk;(k&
zm3D^2l!WTudc*RfxP-6Kf{*LHk@xw;d3Kq!gv9E3yYi``gq66Rg3;=c>;K5qc9o5U
zw8VLW>d~U|gt(1@(ZrFy>(a*hmYH^x#Dsb3sG{rgBBCS100009a7bBm000ie000ie
z0hKEb8vp<RNl8ROR0x@4U|?ioW?^Mx=iubx=Hcbz7Z4N@77-N_mync_mXVc{S5Q<^
zR#8<`*U;3`*3s3|H!w6ZHZe6bx3ILbwz0Ld2LP(!2jN&BJE{Nx002ovPDHLkV1k4`
By1xJb

literal 0
HcmV?d00001

diff --git a/agb/gfx/square.aseprite b/agb/gfx/square.aseprite
deleted file mode 100644
index b31eab3a2a4fe9333ee02ab77ed592f1bffca04f..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 4408
zcmcJSZ%kWN7{+hiCNoCkVqE4IC0YF7&=_4LV&edleK5{wbY^j6{)wBBKr|AB6^0Gn
zb&<$)&FB(VNn8Pu)rC<CD|Czj1-eR*3ni4nh88-;Ee2a)vn}EHytgD06HVR^w&4jq
z_r5*v^Lx&@2VU4FNx#--N?Y+xm2{FM9mdb!uPjMNgVIBI{~xcBdn73y*`m$51ruz?
zPfDsb<%a3bV&Ku#to4!14Ob+o+EgSY$>Wis_P}wdE!qin$zMU0W)svOHbVzjJ<wA{
z)liRI2URN#&}hg8JuADQipd8Jn}39g8+3osNxEN_>35Gog+^`TG~#kXO*RGEU=BkQ
z-WBLEO9@o=(Dxh0>3&;Nl+-0dO-cpS9QH%6h2l_G1C6))lH=5;rRW4*U7d$|s_3eE
zlfJVzN`1QICa7Zi78>rP`|rj)P=n^nsr9KE+!%>A(*3f9eASq!PgUzvcxm<`%SpQG
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zFS2@dyPD@kA9{6vf3=&_t2<f}6lv7!zVuO6rG9D7D|S=m;B=7Hto4obB_X5Pa7{xw
zClURKV^)i@v897GW9isiF);?NkM+3AId~Gwg^GBcOqS?w>Nvex#~d@_Cz$k~XwBvn
zx&wu(7Ul2*13FHxr7wNfC&sDQt5aT9lnLWquMkxE?%*5?Y+AS`)|J2cLrFgL1FJAE
zHzV401cepF4pyQ5&6ujKft0*!yeOTw<H;x+cU~{&B$7AL95Vil)w8|F&FVGpU}3~K
zio%O8ce0|)*%Mh2AqwP+DKF1uSuiZ7sq#Sk@2qC+)dyF)K0+e7nKmAt49Bd7r<%Dd
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zCJ}#}V--%06wHb<NaUPyg;iMkc6&mLGXB~C3s1sXuzs+s6~E|MPlD=>8SQcRbib2T
zXq_yKh$)zS1jh(xi<CZ()8GIFBF#+jTpEME<iXxvcB`D@GR=BDp&jh^9;#<0k~dM1
zJPj<&DDC+rE860zt!rnkSGVi-sQ8-j1ga)jiR4Wv3GI)N^kN6Eu;b{gcCfGR=_}_%
zX>~2GB%hP-y}~>5+=UC{;#G2K`eZhn6Qwo1WkEQx?k?pwvRqo}Kc_0%mCOgM{a9;I
WJJ`z>dsujKmgDOO`@^TE%l`sYq)pTS

diff --git a/agb/src/no_game.rs b/agb/src/no_game.rs
index d241bce4..77920640 100644
--- a/agb/src/no_game.rs
+++ b/agb/src/no_game.rs
@@ -1,19 +1,18 @@
 //! The no game screen is what is displayed if there isn't a game made yet.
 
 use agb_fixnum::{num, Num, Vector2D};
-use alloc::vec;
 use alloc::vec::Vec;
+use alloc::{boxed::Box, vec};
 
+use crate::display::object::{DynamicSprite, PaletteVram, Size, SpriteVram};
+use crate::display::palette16::Palette16;
 use crate::{
-    display::{
-        object::{OamIterator, ObjectUnmanaged, Sprite},
-        HEIGHT, WIDTH,
-    },
-    include_aseprite,
+    display::{object::ObjectUnmanaged, HEIGHT, WIDTH},
+    include_palette,
     interrupt::VBlank,
 };
 
-const SQUARES: &[Sprite] = include_aseprite!("gfx/square.aseprite").sprites();
+const PALETTE: &[u16] = &include_palette!("gfx/pastel.png");
 
 fn letters() -> Vec<Vec<Vector2D<Num<i32, 8>>>> {
     vec![
@@ -111,34 +110,44 @@ fn letters() -> Vec<Vec<Vector2D<Num<i32, 8>>>> {
     ]
 }
 
-trait Renderable {
-    fn render(&self, slots: &mut OamIterator) -> Option<()>;
-}
+fn generate_sprites() -> Box<[SpriteVram]> {
+    let mut sprites = Vec::new();
 
-impl Renderable for ObjectUnmanaged {
-    fn render(&self, slots: &mut OamIterator) -> Option<()> {
-        slots.next()?.set(self);
-        Some(())
-    }
-}
+    // generate palettes
 
-impl<T: Renderable> Renderable for &[T] {
-    fn render(&self, slots: &mut OamIterator) -> Option<()> {
-        for r in self.iter() {
-            r.render(slots)?;
+    let palettes: Vec<PaletteVram> = PALETTE
+        .chunks(15)
+        .map(|x| {
+            core::iter::once(0)
+                .chain(x.iter().copied())
+                .chain(core::iter::repeat(0))
+                .take(16)
+                .collect::<Vec<_>>()
+        })
+        .map(|palette| {
+            let palette = Palette16::new(palette.try_into().unwrap());
+            PaletteVram::new(&palette).unwrap()
+        })
+        .collect();
+
+    // generate sprites
+    let mut sprite = DynamicSprite::new(Size::S8x8);
+    for (palette, colour) in (0..PALETTE.len()).map(|x| (x / 15, x % 15)) {
+        for y in 0..8 {
+            for x in 0..8 {
+                sprite.set_pixel(x, y, colour + 1);
+            }
         }
-
-        Some(())
+        sprites.push(sprite.to_vram(palettes[palette].clone()));
     }
+
+    sprites.into_boxed_slice()
 }
 
 pub fn no_game(mut gba: crate::Gba) -> ! {
     let (mut oam, mut loader) = gba.display.object.get_unmanaged();
 
-    let squares: Vec<_> = SQUARES
-        .iter()
-        .map(|sprite| loader.get_vram_sprite(sprite))
-        .collect();
+    let squares = generate_sprites();
 
     let mut letter_positons = Vec::new();
 
@@ -179,10 +188,6 @@ pub fn no_game(mut gba: crate::Gba) -> ! {
     let mut time: Num<i32, 8> = num!(0.);
     let time_delta: Num<i32, 8> = num!(0.025);
 
-    // let (_background, mut vram) = gba.display.video.tiled0();
-
-    // vram.set_background_palettes(&[Palette16::new([u16::MAX; 16])]);
-
     let vblank = VBlank::get();
 
     loop {