added demo9

Examples/Arduboy-Tutorials/demo9/src/lib.rs

@@ -0,0 +1,207 @@
+#![no_std]
+#![allow(non_upper_case_globals)]
+
+//Include the Arduboy Library
+#[allow(unused_imports)]
+use arduboy_rust::prelude::*;
+
+#[allow(dead_code)]
+const arduboy: Arduboy2 = Arduboy2::new();
+const WORLD_WIDTH: usize = 14;
+const WORLD_HEIGHT: usize = 7;
+const PLAYER_SIZE: i16 = 16;
+const PLAYER_X_OFFSET: i16 = WIDTH as i16 / 2 - PLAYER_SIZE / 2;
+const PLAYER_Y_OFFSET: i16 = HEIGHT as i16 / 2 - PLAYER_SIZE / 2;
+const TILE_SIZE: u8 = 16;
+const GRASS: u8 = 0;
+const WATER: u8 = 1;
+const TREES: u8 = 2;
+const STONE: u8 = 3;
+const world: [[u8; WORLD_WIDTH]; WORLD_HEIGHT] = [
+    [
+        TREES, GRASS, GRASS, WATER, GRASS, GRASS, GRASS, TREES, GRASS, GRASS, GRASS, GRASS, GRASS,
+        TREES,
+    ],
+    [
+        GRASS, WATER, WATER, WATER, GRASS, WATER, GRASS, GRASS, GRASS, GRASS, GRASS, STONE, GRASS,
+        GRASS,
+    ],
+    [
+        GRASS, GRASS, GRASS, GRASS, GRASS, WATER, STONE, GRASS, GRASS, GRASS, TREES, GRASS, GRASS,
+        GRASS,
+    ],
+    [
+        STONE, GRASS, GRASS, STONE, TREES, WATER, WATER, WATER, GRASS, WATER, WATER, GRASS, TREES,
+        GRASS,
+    ],
+    [
+        GRASS, GRASS, GRASS, GRASS, TREES, GRASS, GRASS, GRASS, TREES, WATER, GRASS, GRASS, STONE,
+        TREES,
+    ],
+    [
+        GRASS, GRASS, GRASS, WATER, STONE, GRASS, GRASS, TREES, TREES, TREES, GRASS, GRASS, WATER,
+        WATER,
+    ],
+    [
+        GRASS, WATER, WATER, TREES, GRASS, WATER, WATER, TREES, TREES, GRASS, GRASS, GRASS, GRASS,
+        STONE,
+    ],
+];
+#[derive(Copy, Clone)]
+enum Gamestate {
+    GameTitle,
+    GamePlay,
+    GameOver,
+    GameHigh,
+}
+impl Gamestate {
+    fn update(&mut self, new_state: Gamestate) {
+        *self = new_state;
+    }
+}
+
+// Progmem data
+progmem!(
+    static tiles: [u8; _] = [
+        16, 16, // width, height,
+        //Grass
+        0xff, 0x7f, 0xfb, 0xff, 0xff, 0xbf, 0xff, 0xff, 0xf7, 0xff, 0xfd, 0xff, 0xff, 0xf7, 0x7f,
+        0xff, 0xdf, 0xff, 0xff, 0xfb, 0x7f, 0xff, 0xff, 0xff, 0xef, 0xfe, 0xff, 0xff, 0xfb, 0xff,
+        0x7f, 0xff, //Water
+        0x08, 0x10, 0x10, 0x08, 0x10, 0x08, 0x10, 0x10, 0x10, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x20, 0x40, 0x40, 0x20, 0x00, 0x01, 0x02, 0x02, 0x01, 0x02, 0x02, 0x01, 0x02, 0x21,
+        0x40, 0x40, //Tree
+        0xff, 0x1f, 0x5b, 0x3f, 0xeb, 0xdd, 0xff, 0xf7, 0xbb, 0xef, 0xfd, 0x7f, 0xe3, 0xcb, 0xe3,
+        0xff, 0xff, 0xc7, 0x96, 0xc7, 0xff, 0xff, 0xef, 0xfd, 0xff, 0xe3, 0xcb, 0xe3, 0xff, 0xff,
+        0x7b, 0xff, //Stone
+        0xff, 0xdf, 0x7b, 0x3f, 0x9f, 0x6f, 0x77, 0xab, 0xdb, 0xd7, 0xcd, 0x5f, 0xbf, 0x77, 0xff,
+        0xff, 0xff, 0xc1, 0xdc, 0xd3, 0xaf, 0x9f, 0xae, 0xb0, 0xbb, 0xbd, 0xbd, 0xba, 0xd7, 0xcc,
+        0x63, 0xff,
+    ];
+);
+
+// dynamic ram variables
+static mut gamestate: Gamestate = Gamestate::GameTitle;
+static mut mapx: i16 = 0;
+static mut mapy: i16 = 0;
+// The setup() function runs once when you turn your Arduboy on
+#[no_mangle]
+pub unsafe extern "C" fn setup() {
+    // put your setup code here, to run once:
+    arduboy.begin();
+    arduboy.set_frame_rate(45);
+    arduboy.display();
+    arduboy.init_random_seed();
+    arduboy.clear();
+}
+
+// The loop() function repeats forever after setup() is done
+#[no_mangle]
+#[export_name = "loop"]
+pub unsafe extern "C" fn loop_() {
+    // put your main code here, to run repeatedly:
+    if !arduboy.next_frame() {
+        return;
+    }
+    arduboy.poll_buttons();
+    arduboy.clear();
+    gameloop();
+    arduboy.display();
+}
+unsafe fn draw_player() {
+    arduboy.fill_rect(
+        PLAYER_X_OFFSET,
+        PLAYER_Y_OFFSET,
+        PLAYER_SIZE as u8,
+        PLAYER_SIZE as u8,
+        Color::Black,
+    )
+}
+
+unsafe fn draw_world() {
+    let tileswide: u8 = WIDTH / TILE_SIZE + 1;
+    let tilestall: u8 = HEIGHT / TILE_SIZE + 1;
+    for y in 0..tilestall as i16 {
+        for x in 0..tileswide as i16 {
+            let tilesx: i16 = x - mapx / TILE_SIZE as i16;
+            let tilesy: i16 = y - mapy / TILE_SIZE as i16;
+            if tilesx >= 0
+                && tilesy >= 0
+                && tilesx < WORLD_WIDTH as i16
+                && tilesy < WORLD_HEIGHT as i16
+            {
+                sprites::draw_override(
+                    x * TILE_SIZE as i16 + mapx % TILE_SIZE as i16,
+                    y * TILE_SIZE as i16 + mapy % TILE_SIZE as i16,
+                    get_sprite_addr!(tiles),
+                    world[tilesy as usize][tilesx as usize],
+                )
+            }
+        }
+    }
+    arduboy.fill_rect(0, 0, 48, 8, Color::Black);
+    arduboy.set_cursor(0, 0);
+    arduboy.print(0 - mapx / TILE_SIZE as i16);
+    arduboy.print(f!(b",\0"));
+    arduboy.print(0 - mapy / TILE_SIZE as i16)
+}
+fn titlescreen() {
+    arduboy.set_cursor(0, 0);
+    arduboy.print(f!(b"Title Screen\n\0"));
+    if arduboy.just_pressed(A_BUTTON) {
+        unsafe { gamestate.update(Gamestate::GamePlay) }
+    }
+}
+unsafe fn player_input() {
+    if arduboy.pressed(UP) {
+        if mapy < PLAYER_Y_OFFSET {
+            mapy += 1
+        }
+    }
+    if arduboy.pressed(DOWN) {
+        if PLAYER_Y_OFFSET + PLAYER_SIZE < mapy + TILE_SIZE as i16 * WORLD_HEIGHT as i16 {
+            mapy -= 1
+        }
+    }
+    if arduboy.pressed(LEFT) {
+        if mapx < PLAYER_X_OFFSET {
+            mapx += 1
+        }
+    }
+    if arduboy.pressed(RIGHT) {
+        if PLAYER_X_OFFSET + PLAYER_SIZE < mapx + TILE_SIZE as i16 * WORLD_WIDTH as i16 {
+            mapx -= 1
+        }
+    }
+}
+unsafe fn gameplay() {
+    player_input();
+    draw_world();
+    draw_player();
+    if arduboy.just_pressed(A_BUTTON) {
+        unsafe { gamestate.update(Gamestate::GameOver) }
+    }
+}
+fn gameover_screen() {
+    arduboy.set_cursor(0, 0);
+    arduboy.print(f!(b"Game Over Screen\n\0"));
+    if arduboy.just_pressed(A_BUTTON) {
+        unsafe { gamestate.update(Gamestate::GameHigh) }
+    }
+}
+fn highscore_screen() {
+    arduboy.set_cursor(0, 0);
+    arduboy.print(f!(b"High Score Screen\n\0"));
+    if arduboy.just_pressed(A_BUTTON) {
+        unsafe { gamestate.update(Gamestate::GameTitle) }
+    }
+}
+
+unsafe fn gameloop() {
+    match unsafe { gamestate } {
+        Gamestate::GameTitle => titlescreen(),
+        Gamestate::GamePlay => gameplay(),
+        Gamestate::GameOver => gameover_screen(),
+        Gamestate::GameHigh => highscore_screen(),
+    }
+}