Commit | Line | Data |
---|---|---|
6ba7aef1 | 1 | use boll::*; |
902b2b31 | 2 | use common::{Point2D, Rect}; |
3f344b63 | 3 | use core::controller::ControllerManager; |
6566d7e5 | 4 | use core::render::Renderer; |
6ba7aef1 | 5 | use point; // defined in common, but loaded from main... |
95e3e10d | 6 | use rand::Rng; |
541aee90 | 7 | use sdl2::event::{Event, WindowEvent}; |
95e3e10d | 8 | use sdl2::keyboard::Keycode; |
6ba7aef1 | 9 | use sdl2::rect::Rect as SDLRect; |
6566d7e5 | 10 | use sdl2::video::SwapInterval; |
6ba7aef1 | 11 | use sdl2::{EventPump, VideoSubsystem}; |
3bfea951 | 12 | use sprites::SpriteManager; |
6ba7aef1 | 13 | use std::f32::consts::PI; |
902b2b31 | 14 | use time::{Duration, Instant, prelude::*}; |
95e3e10d | 15 | |
6ba7aef1 TW |
16 | const FPS: u32 = 60; |
17 | const NS_PER_FRAME: u32 = 1_000_000_000 / FPS; | |
18 | ||
6edafdc0 TW |
19 | #[derive(Default)] |
20 | pub struct AppBuilder { | |
21 | resolution: Rect<u16>, | |
6edafdc0 TW |
22 | state: Option<Box<dyn AppState>>, |
23 | title: Option<String>, | |
3bfea951 TW |
24 | } |
25 | ||
6edafdc0 TW |
26 | impl AppBuilder { |
27 | pub fn with_resolution(mut self, width: u16, height: u16) -> Self { | |
6ba7aef1 TW |
28 | self.resolution = Rect { width, height }; |
29 | self | |
6edafdc0 TW |
30 | } |
31 | ||
6edafdc0 | 32 | pub fn with_state(mut self, state: Box<dyn AppState>) -> Self { |
6ba7aef1 TW |
33 | self.state = Some(state); |
34 | self | |
6edafdc0 TW |
35 | } |
36 | ||
37 | pub fn with_title(mut self, title: &str) -> Self { | |
6ba7aef1 TW |
38 | self.title = Some(title.to_string()); |
39 | self | |
6edafdc0 TW |
40 | } |
41 | ||
fea68d56 | 42 | pub fn build(self) -> Result<App, String> { |
3bfea951 | 43 | let context = sdl2::init().unwrap(); |
fea68d56 | 44 | sdl2::image::init(sdl2::image::InitFlag::PNG)?; |
6ba7aef1 | 45 | let video = context.video()?; |
b0566120 | 46 | //self.print_video_display_modes(&video); |
fea68d56 TW |
47 | |
48 | let window = video | |
6ba7aef1 TW |
49 | .window( |
50 | &self.title.unwrap(), | |
51 | self.resolution.width.into(), | |
52 | self.resolution.height.into(), | |
53 | ) | |
3bfea951 | 54 | .position_centered() |
6ba7aef1 TW |
55 | // .fullscreen() |
56 | // .fullscreen_desktop() | |
3bfea951 | 57 | .opengl() |
6ba7aef1 TW |
58 | .build() |
59 | .unwrap(); | |
3bfea951 | 60 | context.mouse().show_cursor(false); |
6edafdc0 | 61 | |
6566d7e5 TW |
62 | let canvas = window.into_canvas().build().unwrap(); |
63 | let sprites = SpriteManager::new(canvas.texture_creator()); | |
64 | let screen = canvas.output_size().unwrap(); | |
65 | let renderer = Renderer::new(canvas); | |
6edafdc0 | 66 | |
6ba7aef1 | 67 | video.gl_set_swap_interval(SwapInterval::VSync)?; |
fea68d56 TW |
68 | |
69 | let event_pump = context.event_pump()?; | |
6edafdc0 | 70 | |
fea68d56 | 71 | Ok(App { |
6566d7e5 | 72 | renderer, |
3bfea951 TW |
73 | event_pump, |
74 | sprites, | |
77034de9 | 75 | state: self.state.unwrap_or_else(|| Box::new(ActiveState::new(screen))), |
bf7b5671 | 76 | ctrl_man: ControllerManager::new(context.joystick()?, context.haptic()?), |
fea68d56 TW |
77 | }) |
78 | } | |
79 | ||
b0566120 | 80 | #[allow(dead_code)] |
fea68d56 | 81 | fn print_video_display_modes(&self, video: &VideoSubsystem) { |
6ba7aef1 TW |
82 | println!("video subsystem: {:?}", video); |
83 | println!("current_video_driver: {:?}", video.current_video_driver()); | |
84 | for display in 0..video.num_video_displays().unwrap() { | |
85 | println!( | |
86 | "=== display {} - {} ===", | |
87 | display, | |
88 | video.display_name(display).unwrap() | |
89 | ); | |
90 | println!( | |
91 | " display_bounds: {:?}", | |
92 | video.display_bounds(display).unwrap() | |
93 | ); | |
94 | println!( | |
95 | " num_display_modes: {:?}", | |
96 | video.num_display_modes(display).unwrap() | |
97 | ); | |
98 | println!( | |
99 | " desktop_display_mode: {:?}", | |
100 | video.desktop_display_mode(display).unwrap() | |
101 | ); | |
1f362f49 | 102 | let current = video.current_display_mode(display).unwrap(); |
6ba7aef1 TW |
103 | println!( |
104 | " current_display_mode: {:?}", | |
1f362f49 | 105 | current |
6ba7aef1 | 106 | ); |
1f362f49 TW |
107 | for idx in 0..video.num_display_modes(display).unwrap() { |
108 | let mode = video.display_mode(display, idx).unwrap(); | |
6ba7aef1 | 109 | println!( |
1f362f49 TW |
110 | " {}{:2}: {:?}", |
111 | if mode == current { "*" } else { " " }, | |
112 | idx, | |
113 | mode | |
6ba7aef1 TW |
114 | ); |
115 | } | |
116 | } | |
117 | println!("swap interval: {:?}", video.gl_get_swap_interval()); | |
3bfea951 | 118 | } |
6edafdc0 TW |
119 | } |
120 | ||
121 | pub struct App { | |
6566d7e5 | 122 | renderer: Renderer, |
fca4e4f0 TW |
123 | event_pump: EventPump, |
124 | sprites: SpriteManager, | |
125 | state: Box<dyn AppState>, | |
b0566120 | 126 | pub ctrl_man: ControllerManager, |
6edafdc0 TW |
127 | } |
128 | ||
129 | impl App { | |
98995f2b | 130 | #[allow(clippy::new_ret_no_self)] |
6edafdc0 | 131 | pub fn new() -> AppBuilder { |
6ba7aef1 | 132 | Default::default() |
6edafdc0 | 133 | } |
3bfea951 | 134 | |
1e322944 | 135 | pub fn load_sprites(&mut self, sprites: &[(&str, &str)]) { |
3bfea951 TW |
136 | for (name, file) in sprites { |
137 | self.sprites.load(name, file); | |
138 | } | |
139 | } | |
6ba7aef1 TW |
140 | |
141 | pub fn start(&mut self) { | |
902b2b31 | 142 | let mut last_time = Instant::now(); |
6ba7aef1 | 143 | |
b0566120 TW |
144 | self.state.enter(&mut self.ctrl_man); |
145 | ||
6ba7aef1 | 146 | 'running: loop { |
541aee90 TW |
147 | if let Err(_) = self.handle_events() { |
148 | break 'running; | |
149 | } | |
6ba7aef1 | 150 | |
902b2b31 TW |
151 | let duration = Instant::now() - last_time; |
152 | last_time = Instant::now(); | |
153 | ||
bf7b5671 | 154 | self.ctrl_man.update(duration); |
6ba7aef1 | 155 | self.state.update(duration); |
541aee90 TW |
156 | |
157 | self.render(); | |
6ba7aef1 TW |
158 | } |
159 | ||
160 | self.state.leave(); | |
161 | } | |
541aee90 TW |
162 | |
163 | fn handle_events(&mut self) -> Result<(), ()> { | |
164 | for event in self.event_pump.poll_iter() { | |
3f344b63 | 165 | self.ctrl_man.handle_event(&event); |
541aee90 TW |
166 | match event { |
167 | Event::Quit { .. } | |
168 | | Event::KeyDown { | |
169 | keycode: Some(Keycode::Escape), | |
170 | .. | |
171 | } => { | |
172 | return Err(()) | |
173 | } | |
174 | Event::KeyDown { | |
175 | keycode: Some(Keycode::F11), | |
176 | .. | |
177 | } => { | |
6566d7e5 | 178 | self.renderer.toggle_fullscreen(); |
541aee90 TW |
179 | } |
180 | Event::Window { | |
181 | win_event: WindowEvent::Resized(x, y), | |
182 | .. | |
183 | } => { | |
184 | println!("window resized({}, {})", x, y) | |
185 | } | |
186 | Event::Window { | |
187 | win_event: WindowEvent::Maximized, | |
188 | .. | |
189 | } => { | |
190 | println!("window maximized") | |
191 | } | |
192 | Event::Window { | |
193 | win_event: WindowEvent::Restored, | |
194 | .. | |
195 | } => { | |
196 | println!("window restored") | |
197 | } | |
198 | Event::Window { | |
199 | win_event: WindowEvent::Enter, | |
200 | .. | |
201 | } => { | |
202 | println!("window enter") | |
203 | } | |
204 | Event::Window { | |
205 | win_event: WindowEvent::Leave, | |
206 | .. | |
207 | } => { | |
208 | println!("window leave") | |
209 | } | |
210 | Event::Window { | |
211 | win_event: WindowEvent::FocusGained, | |
212 | .. | |
213 | } => { | |
214 | println!("window focus gained") | |
215 | } | |
216 | Event::Window { | |
217 | win_event: WindowEvent::FocusLost, | |
218 | .. | |
219 | } => { | |
220 | println!("window focus lost") | |
221 | } | |
b0566120 | 222 | _ => self.state.handle_event(event), |
541aee90 TW |
223 | } |
224 | } | |
225 | Ok(()) | |
226 | } | |
227 | ||
228 | fn render(&mut self) { | |
6566d7e5 TW |
229 | self.renderer.clear(); |
230 | self.state.render(&mut self.renderer, &mut self.sprites); | |
231 | self.renderer.present(); | |
541aee90 | 232 | } |
3bfea951 | 233 | } |
95e3e10d TW |
234 | |
235 | pub trait AppState { | |
a82a4d23 | 236 | fn enter(&mut self, ctrl_man: &ControllerManager); |
b0566120 | 237 | fn leave(&mut self); |
902b2b31 | 238 | fn update(&mut self, dt: Duration); |
6566d7e5 | 239 | fn render(&mut self, renderer: &mut Renderer, sprites: &SpriteManager); |
b0566120 | 240 | fn handle_event(&mut self, event: Event); |
95e3e10d TW |
241 | } |
242 | ||
243 | type Bollar = Vec<Box<dyn Boll>>; | |
244 | ||
541aee90 | 245 | #[derive(Default)] |
95e3e10d | 246 | pub struct ActiveState { |
77034de9 | 247 | screen: Rect<u32>, |
95e3e10d TW |
248 | bolls: Bollar, |
249 | boll_size: u32, | |
541aee90 | 250 | mario_angle: f64, |
95e3e10d TW |
251 | } |
252 | ||
253 | impl ActiveState { | |
77034de9 | 254 | pub fn new(screen: (u32, u32)) -> ActiveState { |
95e3e10d TW |
255 | ActiveState { |
256 | bolls: Bollar::new(), | |
257 | boll_size: 1, | |
77034de9 | 258 | screen: Rect::from(screen), |
541aee90 | 259 | ..Default::default() |
95e3e10d TW |
260 | } |
261 | } | |
262 | ||
263 | fn change_boll_count(&mut self, delta: i32) { | |
98995f2b | 264 | #[allow(clippy::comparison_chain)] |
95e3e10d TW |
265 | if delta > 0 { |
266 | for _i in 0..delta { | |
267 | self.add_boll(); | |
268 | } | |
269 | } else if delta < 0 { | |
5cbbebbe | 270 | for _i in 0..(-delta) { |
95e3e10d TW |
271 | self.bolls.pop(); |
272 | } | |
273 | } | |
274 | } | |
275 | ||
276 | fn add_boll(&mut self) { | |
277 | let mut rng = rand::thread_rng(); | |
278 | self.bolls.push(Box::new(SquareBoll { | |
6ba7aef1 | 279 | pos: point!( |
77034de9 TW |
280 | rng.gen_range(0, self.screen.width) as f64, |
281 | rng.gen_range(0, self.screen.height) as f64 | |
6ba7aef1 | 282 | ), |
95e3e10d TW |
283 | vel: point!(rng.gen_range(-2.0, 2.0), rng.gen_range(-2.0, 2.0)), |
284 | })); | |
285 | } | |
286 | } | |
287 | ||
288 | impl AppState for ActiveState { | |
a82a4d23 | 289 | fn enter(&mut self, _ctrl_man: &ControllerManager) {} |
b0566120 | 290 | |
902b2b31 | 291 | fn update(&mut self, dt: Duration) { |
93679b27 | 292 | for b in &mut self.bolls { |
95e3e10d TW |
293 | b.update(); |
294 | } | |
295 | ||
296 | match dt { | |
902b2b31 TW |
297 | ns if ns < (NS_PER_FRAME - 90_0000).nanoseconds() => self.change_boll_count(100), |
298 | ns if ns > (NS_PER_FRAME + 90_0000).nanoseconds() => self.change_boll_count(-100), | |
95e3e10d TW |
299 | _ => {} |
300 | } | |
301 | } | |
302 | ||
6566d7e5 | 303 | fn render(&mut self, renderer: &mut Renderer, sprites: &SpriteManager) { |
541aee90 TW |
304 | /* draw square of blocks */ { |
305 | let blocks = 20; | |
306 | let size = 32; | |
307 | let offset = point!( | |
308 | (self.screen.width as i32 - (blocks + 1) * size) / 2, | |
309 | (self.screen.height as i32 - (blocks + 1) * size) / 2 | |
310 | ); | |
311 | let block = sprites.get("block"); | |
312 | for i in 0..blocks { | |
6566d7e5 TW |
313 | renderer |
314 | .blit( | |
541aee90 TW |
315 | block, |
316 | None, | |
317 | SDLRect::new((i) * size + offset.x, offset.y, size as u32, size as u32), | |
6566d7e5 TW |
318 | ); |
319 | renderer | |
320 | .blit( | |
541aee90 TW |
321 | block, |
322 | None, | |
323 | SDLRect::new( | |
324 | (blocks - i) * size + offset.x, | |
325 | (blocks) * size + offset.y, | |
326 | size as u32, | |
327 | size as u32, | |
328 | ), | |
6566d7e5 TW |
329 | ); |
330 | renderer | |
331 | .blit( | |
541aee90 TW |
332 | block, |
333 | None, | |
334 | SDLRect::new( | |
335 | offset.x, | |
336 | (blocks - i) * size + offset.y, | |
337 | size as u32, | |
338 | size as u32, | |
339 | ), | |
6566d7e5 TW |
340 | ); |
341 | renderer | |
342 | .blit( | |
541aee90 TW |
343 | block, |
344 | None, | |
345 | SDLRect::new( | |
346 | (blocks) * size + offset.x, | |
347 | (i) * size + offset.y, | |
348 | size as u32, | |
349 | size as u32, | |
350 | ), | |
6566d7e5 | 351 | ); |
541aee90 TW |
352 | } |
353 | } | |
354 | ||
355 | /* draw mario */ { | |
356 | let size = 64; | |
357 | let offset = point!( | |
358 | (self.screen.width as i32 - size) / 2, | |
359 | (self.screen.height as i32 - size) / 2 | |
360 | ); | |
361 | let radius = 110.0 + size as f32 * 0.5; | |
362 | let angle = (self.mario_angle as f32 - 90.0) * PI / 180.0; | |
363 | let offset2 = point!((angle.cos() * radius) as i32, (angle.sin() * radius) as i32); | |
6566d7e5 TW |
364 | renderer |
365 | .blit_ex( | |
541aee90 TW |
366 | sprites.get("mario"), |
367 | None, | |
368 | SDLRect::new( | |
369 | offset.x + offset2.x, | |
370 | offset.y + offset2.y, | |
371 | size as u32, | |
372 | size as u32, | |
373 | ), | |
374 | self.mario_angle, | |
375 | sdl2::rect::Point::new(size / 2, size / 2), | |
376 | false, | |
377 | false, | |
6566d7e5 | 378 | ); |
541aee90 TW |
379 | self.mario_angle = (self.mario_angle + 1.0) % 360.0; |
380 | } | |
381 | ||
382 | /* draw circles and ellipses*/ { | |
383 | let p = point!((self.screen.width / 2) as i16, (self.screen.height / 2) as i16); | |
6566d7e5 TW |
384 | renderer.circle(p, 100, (255, 255, 255)); |
385 | renderer.circle(p, 110, (255, 255, 255)); | |
386 | renderer.ellipse(p, (50, 100), (255, 255, 255)); | |
387 | renderer.ellipse(p, (110, 55), (255, 255, 255)); | |
541aee90 TW |
388 | } |
389 | ||
93679b27 | 390 | for b in &self.bolls { |
6566d7e5 | 391 | b.draw(renderer, self.boll_size); |
95e3e10d TW |
392 | } |
393 | } | |
394 | ||
b0566120 | 395 | fn leave(&mut self) { |
95e3e10d TW |
396 | println!("number of bolls: {}", self.bolls.len()); |
397 | } | |
398 | ||
b0566120 | 399 | fn handle_event(&mut self, event: Event) { |
95e3e10d | 400 | match event { |
6ba7aef1 TW |
401 | Event::KeyDown { |
402 | keycode: Some(Keycode::KpPlus), | |
403 | .. | |
404 | } => self.boll_size = std::cmp::min(self.boll_size + 1, 32), | |
405 | Event::KeyDown { | |
406 | keycode: Some(Keycode::KpMinus), | |
407 | .. | |
408 | } => self.boll_size = std::cmp::max(self.boll_size - 1, 1), | |
409 | Event::MouseMotion { x, y, .. } => self.bolls.push(Box::new(CircleBoll::new( | |
410 | point!(x as f64, y as f64), | |
411 | point!(0.0, 0.0), | |
412 | ))), | |
95e3e10d TW |
413 | _ => {} |
414 | } | |
415 | } | |
416 | } |