sprites example

agb/examples/sprites.rs

@@ -0,0 +1,106 @@
+#![no_std]
+#![no_main]
+
+extern crate alloc;
+
+use agb::display::object::{ObjectController, Sprite, TagMap};
+use alloc::vec::Vec;
+
+const SPRITE_TAGS: (&[Sprite], &TagMap) =
+    agb::include_aseprite!("../examples/the-purple-night/gfx/objects.aseprite");
+const SPRITES: &[Sprite] = SPRITE_TAGS.0;
+const TAG_MAP: &TagMap = SPRITE_TAGS.1;
+
+fn all_sprites(gfx: &ObjectController) {
+    let mut input = agb::input::ButtonController::new();
+    let mut objs = Vec::new();
+
+    for y in 0..9 {
+        for x in 0..14 {
+            let mut obj = gfx
+                .get_object(gfx.get_sprite(&SPRITES[0]).unwrap())
+                .unwrap();
+            obj.show();
+            obj.set_position((x * 16 + 8, y * 16 + 8).into());
+            objs.push(obj);
+        }
+    }
+
+    let mut count = 0;
+    let mut image = 0;
+
+    let vblank = agb::interrupt::VBlank::get();
+
+    loop {
+        vblank.wait_for_vblank();
+        input.update();
+
+        if input.is_just_pressed(agb::input::Button::A) {
+            break;
+        }
+
+        count += 1;
+
+        if count % 5 == 0 {
+            image += 1;
+            image %= SPRITES.len();
+            let objs_len = objs.len();
+            for (i, obj) in objs.iter_mut().enumerate() {
+                let this_image = (image + i * SPRITES.len() / objs_len) % SPRITES.len();
+                obj.set_sprite(gfx.get_sprite(&SPRITES[this_image]).unwrap());
+                obj.commit();
+            }
+        }
+    }
+}
+
+fn all_tags(gfx: &ObjectController) {
+    let mut input = agb::input::ButtonController::new();
+    let mut objs = Vec::new();
+
+    for (i, v) in TAG_MAP.values().enumerate() {
+        let x = (i % 14) as i32;
+        let y = (i / 14) as i32;
+        let mut obj = gfx
+            .get_object(gfx.get_sprite(v.get_sprite(0)).unwrap())
+            .unwrap();
+        obj.show();
+        obj.set_position((x * 16 + 8, y * 16 + 8).into());
+        objs.push((obj, v));
+    }
+
+    let mut count = 0;
+    let mut image = 0;
+
+    let vblank = agb::interrupt::VBlank::get();
+
+    loop {
+        vblank.wait_for_vblank();
+
+        input.update();
+
+        if input.is_just_pressed(agb::input::Button::A) {
+            break;
+        }
+
+        count += 1;
+
+        if count % 5 == 0 {
+            image += 1;
+            for (obj, tag) in objs.iter_mut() {
+                obj.set_sprite(gfx.get_sprite(tag.get_animation_sprite(image)).unwrap());
+                obj.commit();
+            }
+        }
+    }
+}
+
+#[agb::entry]
+fn main(mut gba: agb::Gba) -> ! {
+    let gfx = gba.display.object.get();
+
+    loop {
+        all_tags(&gfx);
+        all_sprites(&gfx);
+    }
+}