use std::f32::consts::PI;
-use rand::Rng;
use sdl2::event::Event;
-use sdl2::EventPump;
+use sdl2::event::WindowEvent;
use sdl2::gfx::primitives::DrawRenderer;
use sdl2::keyboard::Keycode;
use sdl2::pixels::Color;
use sdl2::rect::Rect;
-use sdl2::render::BlendMode;
-use sdl2::render::Canvas;
use sdl2::video::FullscreenType;
-use sdl2::video::Window;
use time::PreciseTime;
-use boll::{Boll, CircleBoll, SquareBoll};
+use game::app::*;
use common::Point2D;
-use sprites::SpriteManager;
-use sdl2::video::WindowContext;
-use sdl2::render::TextureCreator;
-use sdl2::event::WindowEvent;
+mod game;
#[macro_use] mod common;
mod boll;
mod sprites;
const FPS: u32 = 60;
const NS_PER_FRAME: u32 = 1_000_000_000 / FPS;
-type Bollar = Vec<Box<dyn Boll>>;
-
-fn init() -> (Canvas<Window>, EventPump) {
- let context = sdl2::init().unwrap();
- let video = context.video().unwrap();
- let _image_context = sdl2::image::init(sdl2::image::InitFlag::PNG).unwrap();
- let window = video.window("SDL test", SCREEN_WIDTH, SCREEN_HEIGHT)
- .position_centered()
- .opengl()
- .build()
- .unwrap();
- context.mouse().show_cursor(false);
- let mut canvas = window.into_canvas().build().unwrap();
- canvas.set_blend_mode(BlendMode::Add);
- canvas.set_draw_color(Color::RGB(0, 0, 0));
- canvas.clear();
- canvas.present();
- let event_pump = context.event_pump().unwrap();
- (canvas, event_pump)
-}
-
-fn load_sprites(texture_creator: &TextureCreator<WindowContext>) -> SpriteManager {
- let mut texman = SpriteManager::new(texture_creator);
- texman.load("block", "res/block.bmp");
- texman.load("mario", "res/mario-trans.png");
- texman
-}
-
fn main() {
println!("starting...");
- let (mut canvas, mut event_pump) = init();
+ let mut app = App::new()
+ .with_resolution(SCREEN_WIDTH as u16, SCREEN_HEIGHT as u16)
+ .with_fps(60)
+ .with_state(Box::new(ActiveState::new()))
+ .with_title("SDL test")
+ .start();
+ app.load_sprites(&[
+ ("block", "res/block.bmp"),
+ ("mario", "res/mario-trans.png"),
+ ]);
let mut frame_count: u64 = 0;
let mut fps_time = PreciseTime::now();
+ let mut last_time = PreciseTime::now();
- let mut bolls: Bollar = Bollar::new();
- let mut boll_size = 1;
-
- let texture_creator = canvas.texture_creator();
- let sprites = load_sprites(&texture_creator);
let mut mario_angle = 0.0;
'running: loop {
- let loop_start = PreciseTime::now();
- canvas.set_draw_color(Color::RGB(0, 0, 0));
- canvas.clear();
+ app.canvas.set_draw_color(Color::RGB(0, 0, 0));
+ app.canvas.clear();
{
let blocks = 20;
let size = 32;
let offset = point!((SCREEN_WIDTH as i32 - (blocks + 1) * size) / 2, (SCREEN_HEIGHT as i32 - (blocks + 1) * size) / 2);
+ let block = app.sprites.get("block");
for i in 0..blocks {
- canvas.copy(sprites.get("block"), None, Rect::new((i) * size + offset.x, (0) * size + offset.y, size as u32, size as u32)).unwrap();
- canvas.copy(sprites.get("block"), None, Rect::new((blocks - i) * size + offset.x, (blocks) * size + offset.y, size as u32, size as u32)).unwrap();
- canvas.copy(sprites.get("block"), None, Rect::new((0) * size + offset.x, (blocks - i) * size + offset.y, size as u32, size as u32)).unwrap();
- canvas.copy(sprites.get("block"), None, Rect::new((blocks) * size + offset.x, (i) * size + offset.y, size as u32, size as u32)).unwrap();
+ app.canvas.copy(block, None, Rect::new((i) * size + offset.x, offset.y, size as u32, size as u32)).unwrap();
+ app.canvas.copy(block, None, Rect::new((blocks - i) * size + offset.x, (blocks) * size + offset.y, size as u32, size as u32)).unwrap();
+ app.canvas.copy(block, None, Rect::new(offset.x, (blocks - i) * size + offset.y, size as u32, size as u32)).unwrap();
+ app.canvas.copy(block, None, Rect::new((blocks) * size + offset.x, (i) * size + offset.y, size as u32, size as u32)).unwrap();
}
}
{
let radius = 110.0 + size as f32 * 0.5;
let angle = (mario_angle as f32 - 90.0) * PI / 180.0;
let offset2 = point!((angle.cos() * radius) as i32, (angle.sin() * radius) as i32);
- canvas.copy_ex(sprites.get("mario"), None, Rect::new(offset.x + offset2.x, offset.y + offset2.y, size as u32, size as u32), mario_angle, sdl2::rect::Point::new(size / 2, size / 2), false, false).unwrap();
+ app.canvas.copy_ex(
+ app.sprites.get("mario"),
+ None, Rect::new(offset.x + offset2.x, offset.y + offset2.y, size as u32, size as u32),
+ mario_angle,
+ sdl2::rect::Point::new(size / 2, size / 2),
+ false, false).unwrap();
mario_angle += 1.0;
if mario_angle >= 360.0 { mario_angle -= 360.0 }
}
{
let p = point!((SCREEN_WIDTH / 2) as i16, (SCREEN_HEIGHT / 2) as i16);
- canvas.circle(p.x, p.y, 100, Color::RGB(255, 255, 255)).unwrap();
- canvas.aa_circle(p.x, p.y, 110, Color::RGB(255, 255, 255)).unwrap();
- canvas.ellipse(p.x, p.y, 50, 100, Color::RGB(255, 255, 255)).unwrap();
- canvas.aa_ellipse(p.x, p.y, 110, 55, Color::RGB(255, 255, 255)).unwrap();
- }
-
- for b in &mut bolls {
- b.update();
- b.draw(&mut canvas, boll_size);
+ app.canvas.circle(p.x, p.y, 100, Color::RGB(255, 255, 255)).unwrap();
+ app.canvas.aa_circle(p.x, p.y, 110, Color::RGB(255, 255, 255)).unwrap();
+ app.canvas.ellipse(p.x, p.y, 50, 100, Color::RGB(255, 255, 255)).unwrap();
+ app.canvas.aa_ellipse(p.x, p.y, 110, 55, Color::RGB(255, 255, 255)).unwrap();
}
// window.gl_swap_window();
- for event in event_pump.poll_iter() {
+ for event in app.event_pump.poll_iter() {
match event {
Event::Quit { .. } | Event::KeyDown { keycode: Some(Keycode::Escape), .. } => {
break 'running;
}
Event::KeyDown { keycode: Some(Keycode::F11), .. } => {
- match canvas.window().fullscreen_state() {
- FullscreenType::Off => canvas.window_mut().set_fullscreen(FullscreenType::Desktop),
- _ => canvas.window_mut().set_fullscreen(FullscreenType::Off)
+ match app.canvas.window().fullscreen_state() {
+ FullscreenType::Off => app.canvas.window_mut().set_fullscreen(FullscreenType::Desktop),
+ _ => app.canvas.window_mut().set_fullscreen(FullscreenType::Off)
}.unwrap();
}
- Event::KeyDown { keycode: Some(Keycode::KpPlus), .. } => { boll_size = std::cmp::min(boll_size + 1, 32) }
- Event::KeyDown { keycode: Some(Keycode::KpMinus), .. } => { boll_size = std::cmp::max(boll_size - 1, 1) }
- Event::MouseMotion { x, y, .. } => {
- bolls.push(Box::new(CircleBoll::new(
- point!(x as f64, y as f64),
- point!(0.0, 0.0),
- )))
- }
Event::Window { win_event: WindowEvent::Resized(x, y), .. } => { println!("window resized({}, {})", x, y) }
Event::Window { win_event: WindowEvent::Maximized, .. } => { println!("window maximized") }
Event::Window { win_event: WindowEvent::Restored, .. } => { println!("window restored") }
Event::Window { win_event: WindowEvent::Leave, .. } => { println!("window leave") }
Event::Window { win_event: WindowEvent::FocusGained, .. } => { println!("window focus gained") }
Event::Window { win_event: WindowEvent::FocusLost, .. } => { println!("window focus lost") }
- _ => {}
+ _ => { app.state.on_event(event) }
}
}
- canvas.present();
- match loop_start.to(PreciseTime::now()).num_nanoseconds() {
- Some(ns) if ns < (NS_PER_FRAME - 50_0000) as i64 => { change_boll_count(&mut bolls, 100) }
- Some(ns) if ns > (NS_PER_FRAME + 50_0000) as i64 => { change_boll_count(&mut bolls, -100) }
- _ => {}
- }
+ let duration = last_time.to(PreciseTime::now()).num_nanoseconds().unwrap() as Nanoseconds;
+ last_time = PreciseTime::now();
+ app.state.update(duration);
+ app.state.render(&mut app.canvas);
+ app.canvas.present();
frame_count += 1;
if frame_count == FPS as u64 {
}
}
- println!("number of bolls: {}", bolls.len());
-}
-
-fn change_boll_count(mut bolls: &mut Bollar, delta: i32) {
- if delta > 0 {
- for _i in 0..delta {
- add_boll(&mut bolls);
- }
- } else if delta < 0 {
- for _i in 0..delta {
- bolls.pop();
- }
- }
-}
-
-fn add_boll(bolls: &mut Bollar) {
- let mut rng = rand::thread_rng();
- bolls.push(Box::new(SquareBoll {
- pos: point!(rng.gen_range(0, SCREEN_WIDTH) as f64, rng.gen_range(0, SCREEN_HEIGHT) as f64),
- vel: point!(rng.gen_range(-2.0, 2.0), rng.gen_range(-2.0, 2.0)),
- }));
+ app.state.leave();
}