Commit | Line | Data |
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6ba7aef1 TW |
1 | use boll::*; |
2 | use common::{Point2D, Rect}; | |
3f344b63 | 3 | use core::controller::ControllerManager; |
6ba7aef1 | 4 | use point; // defined in common, but loaded from main... |
95e3e10d | 5 | use rand::Rng; |
541aee90 | 6 | use sdl2::event::{Event, WindowEvent}; |
6ba7aef1 | 7 | use sdl2::gfx::primitives::DrawRenderer; |
95e3e10d | 8 | use sdl2::keyboard::Keycode; |
3bfea951 | 9 | use sdl2::pixels::Color; |
6ba7aef1 | 10 | use sdl2::rect::Rect as SDLRect; |
541aee90 TW |
11 | use sdl2::render::{BlendMode, Canvas}; |
12 | use sdl2::video::{FullscreenType, SwapInterval, Window}; | |
6ba7aef1 | 13 | use sdl2::{EventPump, VideoSubsystem}; |
3bfea951 | 14 | use sprites::SpriteManager; |
6ba7aef1 TW |
15 | use std::f32::consts::PI; |
16 | use time::PreciseTime; | |
95e3e10d TW |
17 | |
18 | pub type Nanoseconds = u64; | |
3bfea951 | 19 | |
6ba7aef1 TW |
20 | const FPS: u32 = 60; |
21 | const NS_PER_FRAME: u32 = 1_000_000_000 / FPS; | |
22 | ||
6edafdc0 TW |
23 | #[derive(Default)] |
24 | pub struct AppBuilder { | |
25 | resolution: Rect<u16>, | |
6edafdc0 TW |
26 | state: Option<Box<dyn AppState>>, |
27 | title: Option<String>, | |
3bfea951 TW |
28 | } |
29 | ||
6edafdc0 TW |
30 | impl AppBuilder { |
31 | pub fn with_resolution(mut self, width: u16, height: u16) -> Self { | |
6ba7aef1 TW |
32 | self.resolution = Rect { width, height }; |
33 | self | |
6edafdc0 TW |
34 | } |
35 | ||
6edafdc0 | 36 | pub fn with_state(mut self, state: Box<dyn AppState>) -> Self { |
6ba7aef1 TW |
37 | self.state = Some(state); |
38 | self | |
6edafdc0 TW |
39 | } |
40 | ||
41 | pub fn with_title(mut self, title: &str) -> Self { | |
6ba7aef1 TW |
42 | self.title = Some(title.to_string()); |
43 | self | |
6edafdc0 TW |
44 | } |
45 | ||
fea68d56 | 46 | pub fn build(self) -> Result<App, String> { |
3bfea951 | 47 | let context = sdl2::init().unwrap(); |
fea68d56 | 48 | sdl2::image::init(sdl2::image::InitFlag::PNG)?; |
6ba7aef1 | 49 | let video = context.video()?; |
6ba7aef1 | 50 | self.print_video_display_modes(&video); |
fea68d56 TW |
51 | |
52 | let window = video | |
6ba7aef1 TW |
53 | .window( |
54 | &self.title.unwrap(), | |
55 | self.resolution.width.into(), | |
56 | self.resolution.height.into(), | |
57 | ) | |
3bfea951 | 58 | .position_centered() |
6ba7aef1 TW |
59 | // .fullscreen() |
60 | // .fullscreen_desktop() | |
3bfea951 | 61 | .opengl() |
6ba7aef1 TW |
62 | .build() |
63 | .unwrap(); | |
3bfea951 | 64 | context.mouse().show_cursor(false); |
6edafdc0 | 65 | |
3bfea951 TW |
66 | let mut canvas = window.into_canvas().build().unwrap(); |
67 | canvas.set_blend_mode(BlendMode::Add); | |
68 | canvas.set_draw_color(Color::RGB(0, 0, 0)); | |
69 | canvas.clear(); | |
70 | canvas.present(); | |
6edafdc0 | 71 | |
6ba7aef1 | 72 | video.gl_set_swap_interval(SwapInterval::VSync)?; |
fea68d56 TW |
73 | |
74 | let event_pump = context.event_pump()?; | |
3bfea951 | 75 | let sprites = SpriteManager::new(canvas.texture_creator()); |
77034de9 | 76 | let screen = canvas.output_size().unwrap(); |
3f344b63 TW |
77 | let ctrl = context.game_controller()?; |
78 | ctrl.set_event_state(true); | |
6edafdc0 | 79 | |
fea68d56 | 80 | Ok(App { |
3bfea951 TW |
81 | canvas, |
82 | event_pump, | |
83 | sprites, | |
77034de9 | 84 | state: self.state.unwrap_or_else(|| Box::new(ActiveState::new(screen))), |
3f344b63 | 85 | ctrl_man: ControllerManager::new(ctrl, context.haptic()?), |
fea68d56 TW |
86 | }) |
87 | } | |
88 | ||
89 | fn print_video_display_modes(&self, video: &VideoSubsystem) { | |
6ba7aef1 TW |
90 | println!("video subsystem: {:?}", video); |
91 | println!("current_video_driver: {:?}", video.current_video_driver()); | |
92 | for display in 0..video.num_video_displays().unwrap() { | |
93 | println!( | |
94 | "=== display {} - {} ===", | |
95 | display, | |
96 | video.display_name(display).unwrap() | |
97 | ); | |
98 | println!( | |
99 | " display_bounds: {:?}", | |
100 | video.display_bounds(display).unwrap() | |
101 | ); | |
102 | println!( | |
103 | " num_display_modes: {:?}", | |
104 | video.num_display_modes(display).unwrap() | |
105 | ); | |
106 | println!( | |
107 | " desktop_display_mode: {:?}", | |
108 | video.desktop_display_mode(display).unwrap() | |
109 | ); | |
1f362f49 | 110 | let current = video.current_display_mode(display).unwrap(); |
6ba7aef1 TW |
111 | println!( |
112 | " current_display_mode: {:?}", | |
1f362f49 | 113 | current |
6ba7aef1 | 114 | ); |
1f362f49 TW |
115 | for idx in 0..video.num_display_modes(display).unwrap() { |
116 | let mode = video.display_mode(display, idx).unwrap(); | |
6ba7aef1 | 117 | println!( |
1f362f49 TW |
118 | " {}{:2}: {:?}", |
119 | if mode == current { "*" } else { " " }, | |
120 | idx, | |
121 | mode | |
6ba7aef1 TW |
122 | ); |
123 | } | |
124 | } | |
125 | println!("swap interval: {:?}", video.gl_get_swap_interval()); | |
3bfea951 | 126 | } |
6edafdc0 TW |
127 | } |
128 | ||
129 | pub struct App { | |
fca4e4f0 TW |
130 | canvas: Canvas<Window>, |
131 | event_pump: EventPump, | |
132 | sprites: SpriteManager, | |
133 | state: Box<dyn AppState>, | |
134 | ctrl_man: ControllerManager, | |
6edafdc0 TW |
135 | } |
136 | ||
137 | impl App { | |
98995f2b | 138 | #[allow(clippy::new_ret_no_self)] |
6edafdc0 | 139 | pub fn new() -> AppBuilder { |
6ba7aef1 | 140 | Default::default() |
6edafdc0 | 141 | } |
3bfea951 | 142 | |
1e322944 | 143 | pub fn load_sprites(&mut self, sprites: &[(&str, &str)]) { |
3bfea951 TW |
144 | for (name, file) in sprites { |
145 | self.sprites.load(name, file); | |
146 | } | |
147 | } | |
6ba7aef1 TW |
148 | |
149 | pub fn start(&mut self) { | |
150 | let mut frame_count: u64 = 0; | |
151 | let mut fps_time = PreciseTime::now(); | |
152 | let mut last_time = PreciseTime::now(); | |
6ba7aef1 TW |
153 | |
154 | 'running: loop { | |
541aee90 TW |
155 | if let Err(_) = self.handle_events() { |
156 | break 'running; | |
157 | } | |
6ba7aef1 TW |
158 | |
159 | let duration = | |
160 | last_time.to(PreciseTime::now()).num_nanoseconds().unwrap() as Nanoseconds; | |
161 | last_time = PreciseTime::now(); | |
162 | self.state.update(duration); | |
541aee90 TW |
163 | |
164 | self.render(); | |
6ba7aef1 TW |
165 | |
166 | frame_count += 1; | |
167 | if frame_count == FPS as u64 { | |
168 | let duration = fps_time.to(PreciseTime::now()).num_nanoseconds().unwrap() as f64 | |
169 | / 1_000_000_000.0; | |
3f344b63 | 170 | // println!("fps: {}", frame_count as f64 / duration); |
6ba7aef1 TW |
171 | frame_count = 0; |
172 | fps_time = PreciseTime::now(); | |
173 | } | |
174 | } | |
175 | ||
176 | self.state.leave(); | |
177 | } | |
541aee90 TW |
178 | |
179 | fn handle_events(&mut self) -> Result<(), ()> { | |
180 | for event in self.event_pump.poll_iter() { | |
3f344b63 | 181 | self.ctrl_man.handle_event(&event); |
541aee90 | 182 | match event { |
3f344b63 TW |
183 | Event::ControllerButtonDown { .. } => { |
184 | let c = self.ctrl_man.controllers[0].clone(); | |
ca99d4d7 | 185 | c.borrow().rumble(1.0, 300); |
3f344b63 | 186 | } |
541aee90 TW |
187 | Event::Quit { .. } |
188 | | Event::KeyDown { | |
189 | keycode: Some(Keycode::Escape), | |
190 | .. | |
191 | } => { | |
192 | return Err(()) | |
193 | } | |
194 | Event::KeyDown { | |
195 | keycode: Some(Keycode::F11), | |
196 | .. | |
197 | } => { | |
198 | match self.canvas.window().fullscreen_state() { | |
199 | FullscreenType::Off => self | |
200 | .canvas | |
201 | .window_mut() | |
202 | .set_fullscreen(FullscreenType::Desktop), | |
203 | _ => self.canvas.window_mut().set_fullscreen(FullscreenType::Off), | |
204 | } | |
205 | .unwrap(); | |
206 | } | |
207 | Event::Window { | |
208 | win_event: WindowEvent::Resized(x, y), | |
209 | .. | |
210 | } => { | |
211 | println!("window resized({}, {})", x, y) | |
212 | } | |
213 | Event::Window { | |
214 | win_event: WindowEvent::Maximized, | |
215 | .. | |
216 | } => { | |
217 | println!("window maximized") | |
218 | } | |
219 | Event::Window { | |
220 | win_event: WindowEvent::Restored, | |
221 | .. | |
222 | } => { | |
223 | println!("window restored") | |
224 | } | |
225 | Event::Window { | |
226 | win_event: WindowEvent::Enter, | |
227 | .. | |
228 | } => { | |
229 | println!("window enter") | |
230 | } | |
231 | Event::Window { | |
232 | win_event: WindowEvent::Leave, | |
233 | .. | |
234 | } => { | |
235 | println!("window leave") | |
236 | } | |
237 | Event::Window { | |
238 | win_event: WindowEvent::FocusGained, | |
239 | .. | |
240 | } => { | |
241 | println!("window focus gained") | |
242 | } | |
243 | Event::Window { | |
244 | win_event: WindowEvent::FocusLost, | |
245 | .. | |
246 | } => { | |
247 | println!("window focus lost") | |
248 | } | |
249 | _ => self.state.on_event(event), | |
250 | } | |
251 | } | |
252 | Ok(()) | |
253 | } | |
254 | ||
255 | fn render(&mut self) { | |
256 | self.canvas.set_draw_color(Color::RGB(0, 0, 0)); | |
257 | self.canvas.clear(); | |
258 | self.state.render(&mut self.canvas, &mut self.sprites); | |
259 | self.canvas.present(); | |
260 | } | |
3bfea951 | 261 | } |
95e3e10d TW |
262 | |
263 | pub trait AppState { | |
264 | fn update(&mut self, dt: Nanoseconds); | |
541aee90 | 265 | fn render(&mut self, canvas: &mut Canvas<Window>, sprites: &mut SpriteManager); |
95e3e10d TW |
266 | fn leave(&self); |
267 | fn on_event(&mut self, event: Event); | |
268 | } | |
269 | ||
270 | type Bollar = Vec<Box<dyn Boll>>; | |
271 | ||
541aee90 | 272 | #[derive(Default)] |
95e3e10d | 273 | pub struct ActiveState { |
77034de9 | 274 | screen: Rect<u32>, |
95e3e10d TW |
275 | bolls: Bollar, |
276 | boll_size: u32, | |
541aee90 | 277 | mario_angle: f64, |
95e3e10d TW |
278 | } |
279 | ||
280 | impl ActiveState { | |
77034de9 | 281 | pub fn new(screen: (u32, u32)) -> ActiveState { |
95e3e10d TW |
282 | ActiveState { |
283 | bolls: Bollar::new(), | |
284 | boll_size: 1, | |
77034de9 | 285 | screen: Rect::from(screen), |
541aee90 | 286 | ..Default::default() |
95e3e10d TW |
287 | } |
288 | } | |
289 | ||
290 | fn change_boll_count(&mut self, delta: i32) { | |
98995f2b | 291 | #[allow(clippy::comparison_chain)] |
95e3e10d TW |
292 | if delta > 0 { |
293 | for _i in 0..delta { | |
294 | self.add_boll(); | |
295 | } | |
296 | } else if delta < 0 { | |
5cbbebbe | 297 | for _i in 0..(-delta) { |
95e3e10d TW |
298 | self.bolls.pop(); |
299 | } | |
300 | } | |
301 | } | |
302 | ||
303 | fn add_boll(&mut self) { | |
304 | let mut rng = rand::thread_rng(); | |
305 | self.bolls.push(Box::new(SquareBoll { | |
6ba7aef1 | 306 | pos: point!( |
77034de9 TW |
307 | rng.gen_range(0, self.screen.width) as f64, |
308 | rng.gen_range(0, self.screen.height) as f64 | |
6ba7aef1 | 309 | ), |
95e3e10d TW |
310 | vel: point!(rng.gen_range(-2.0, 2.0), rng.gen_range(-2.0, 2.0)), |
311 | })); | |
312 | } | |
313 | } | |
314 | ||
315 | impl AppState for ActiveState { | |
316 | fn update(&mut self, dt: Nanoseconds) { | |
93679b27 | 317 | for b in &mut self.bolls { |
95e3e10d TW |
318 | b.update(); |
319 | } | |
320 | ||
321 | match dt { | |
6ba7aef1 TW |
322 | ns if ns < (NS_PER_FRAME - 90_0000) as u64 => self.change_boll_count(100), |
323 | ns if ns > (NS_PER_FRAME + 90_0000) as u64 => self.change_boll_count(-100), | |
95e3e10d TW |
324 | _ => {} |
325 | } | |
326 | } | |
327 | ||
541aee90 TW |
328 | fn render(&mut self, canvas: &mut Canvas<Window>, sprites: &mut SpriteManager) { |
329 | /* draw square of blocks */ { | |
330 | let blocks = 20; | |
331 | let size = 32; | |
332 | let offset = point!( | |
333 | (self.screen.width as i32 - (blocks + 1) * size) / 2, | |
334 | (self.screen.height as i32 - (blocks + 1) * size) / 2 | |
335 | ); | |
336 | let block = sprites.get("block"); | |
337 | for i in 0..blocks { | |
338 | canvas | |
339 | .copy( | |
340 | block, | |
341 | None, | |
342 | SDLRect::new((i) * size + offset.x, offset.y, size as u32, size as u32), | |
343 | ) | |
344 | .unwrap(); | |
345 | canvas | |
346 | .copy( | |
347 | block, | |
348 | None, | |
349 | SDLRect::new( | |
350 | (blocks - i) * size + offset.x, | |
351 | (blocks) * size + offset.y, | |
352 | size as u32, | |
353 | size as u32, | |
354 | ), | |
355 | ) | |
356 | .unwrap(); | |
357 | canvas | |
358 | .copy( | |
359 | block, | |
360 | None, | |
361 | SDLRect::new( | |
362 | offset.x, | |
363 | (blocks - i) * size + offset.y, | |
364 | size as u32, | |
365 | size as u32, | |
366 | ), | |
367 | ) | |
368 | .unwrap(); | |
369 | canvas | |
370 | .copy( | |
371 | block, | |
372 | None, | |
373 | SDLRect::new( | |
374 | (blocks) * size + offset.x, | |
375 | (i) * size + offset.y, | |
376 | size as u32, | |
377 | size as u32, | |
378 | ), | |
379 | ) | |
380 | .unwrap(); | |
381 | } | |
382 | } | |
383 | ||
384 | /* draw mario */ { | |
385 | let size = 64; | |
386 | let offset = point!( | |
387 | (self.screen.width as i32 - size) / 2, | |
388 | (self.screen.height as i32 - size) / 2 | |
389 | ); | |
390 | let radius = 110.0 + size as f32 * 0.5; | |
391 | let angle = (self.mario_angle as f32 - 90.0) * PI / 180.0; | |
392 | let offset2 = point!((angle.cos() * radius) as i32, (angle.sin() * radius) as i32); | |
393 | canvas | |
394 | .copy_ex( | |
395 | sprites.get("mario"), | |
396 | None, | |
397 | SDLRect::new( | |
398 | offset.x + offset2.x, | |
399 | offset.y + offset2.y, | |
400 | size as u32, | |
401 | size as u32, | |
402 | ), | |
403 | self.mario_angle, | |
404 | sdl2::rect::Point::new(size / 2, size / 2), | |
405 | false, | |
406 | false, | |
407 | ) | |
408 | .unwrap(); | |
409 | self.mario_angle = (self.mario_angle + 1.0) % 360.0; | |
410 | } | |
411 | ||
412 | /* draw circles and ellipses*/ { | |
413 | let p = point!((self.screen.width / 2) as i16, (self.screen.height / 2) as i16); | |
414 | canvas | |
415 | .circle(p.x, p.y, 100, Color::RGB(255, 255, 255)) | |
416 | .unwrap(); | |
417 | canvas | |
418 | .aa_circle(p.x, p.y, 110, Color::RGB(255, 255, 255)) | |
419 | .unwrap(); | |
420 | canvas | |
421 | .ellipse(p.x, p.y, 50, 100, Color::RGB(255, 255, 255)) | |
422 | .unwrap(); | |
423 | canvas | |
424 | .aa_ellipse(p.x, p.y, 110, 55, Color::RGB(255, 255, 255)) | |
425 | .unwrap(); | |
426 | } | |
427 | ||
93679b27 | 428 | for b in &self.bolls { |
95e3e10d TW |
429 | b.draw(canvas, self.boll_size); |
430 | } | |
431 | } | |
432 | ||
433 | fn leave(&self) { | |
434 | println!("number of bolls: {}", self.bolls.len()); | |
435 | } | |
436 | ||
437 | fn on_event(&mut self, event: Event) { | |
438 | match event { | |
6ba7aef1 TW |
439 | Event::KeyDown { |
440 | keycode: Some(Keycode::KpPlus), | |
441 | .. | |
442 | } => self.boll_size = std::cmp::min(self.boll_size + 1, 32), | |
443 | Event::KeyDown { | |
444 | keycode: Some(Keycode::KpMinus), | |
445 | .. | |
446 | } => self.boll_size = std::cmp::max(self.boll_size - 1, 1), | |
447 | Event::MouseMotion { x, y, .. } => self.bolls.push(Box::new(CircleBoll::new( | |
448 | point!(x as f64, y as f64), | |
449 | point!(0.0, 0.0), | |
450 | ))), | |
95e3e10d TW |
451 | _ => {} |
452 | } | |
453 | } | |
454 | } |