changed little things in the arduboy-rust crate & added gamelogic of drboy

Examples/drboy/src/gameloop.rs

@@ -0,0 +1,118 @@
+use crate::*;
+
+pub unsafe fn gameloop() {
+    arduboy.set_cursor(70, 0);
+    arduboy.print(get_string_addr!(overlay_score));
+    arduboy.print(p.counter as i16);
+    match p.live {
+        3 => sprites::draw_override(0, 0, get_sprite_addr!(overlay_3hearts), 0),
+        2 => sprites::draw_override(0, 0, get_sprite_addr!(overlay_2hearts), 0),
+        1 => sprites::draw_override(0, 0, get_sprite_addr!(overlay_1heart), 0),
+        _ => (),
+    }
+    if p.active {
+        sprites::draw_override(p.rect.x, p.rect.y, p.bitmap, p.bitmap_frame as u8);
+    }
+
+    if p.immortal {
+        p.immortal_frame_count += 1;
+        if arduboy.every_x_frames(10) {
+            p.active = !p.active
+        }
+        if p.immortal_frame_count == 60 {
+            p.immortal_frame_count = 0;
+            p.immortal = false;
+            p.active = true
+        }
+    }
+    vec_enemies.iter_mut().for_each(|f| {
+        if f.active {
+            sprites::draw_override(f.rect.x * 8, f.rect.y * 8, f.bitmap, f.bitmap_frame);
+        }
+
+        if arduboy.every_x_frames(p.speed as u8) && f.active {
+            f.move_down();
+            if f.rect.x < 0 {
+                f.active = false;
+                p.live -= 1;
+            }
+        }
+
+        let frect = Rect {
+            x: f.rect.x * 8,
+            y: f.rect.y * 8,
+            width: 8,
+            height: 8,
+        };
+        if !p.immortal && f.active {
+            if arduboy.collide_rect(p.rect, frect) {
+                if p.bitmap_frame as u8 == f.bitmap_frame {
+                    f.active = false;
+                    p.speed_change = false;
+                    p.counter += 1;
+                } else {
+                    p.live -= 1;
+                    p.immortal = true;
+                }
+            }
+        }
+    });
+    if arduboy.every_x_frames((p.speed * 2) as u8) && enemy_count < 30 {
+        vec_enemies
+            .push(Enemy {
+                active: true,
+                bitmap: get_sprite_addr!(enemies),
+                bitmap_frame: random_less_than(3) as u8,
+                rect: Rect {
+                    x: random_between(15, 16) as i16,
+                    y: random_between(1, 8) as i16,
+                    width: 8,
+                    height: 8,
+                },
+            })
+            .unwrap();
+        enemy_count += 1
+    }
+    if p.live == 0 {
+        p.gamemode = GameMode::Losescreen;
+    }
+    arduboy.poll_buttons();
+    if arduboy.pressed(UP) {
+        if p.rect.y > 7 {
+            p.rect.y -= 1;
+        }
+    }
+    if arduboy.pressed(DOWN) {
+        if p.rect.y < 56 {
+            p.rect.y += 1;
+        }
+    }
+    if arduboy.pressed(LEFT) {
+        if p.rect.x > 0 {
+            p.rect.x -= 1;
+        }
+    }
+    if arduboy.pressed(RIGHT) {
+        if p.rect.x < 120 {
+            p.rect.x += 1;
+        }
+    }
+    if arduboy.just_pressed(A) {
+        p.bitmap_frame += 1;
+        if p.bitmap_frame > 2 {
+            p.bitmap_frame = 0
+        }
+    }
+    if arduboy.just_pressed(B) {
+        p.bitmap_frame -= 1;
+        if p.bitmap_frame < 0 {
+            p.bitmap_frame = 2
+        }
+    }
+    if p.counter % 5 == 0 && p.counter != 0 && !p.speed_change {
+        p.speed_change = true;
+        p.speed -= 1
+    }
+}
+
+progmem!();