Commit | Line | Data |
---|---|---|
6ba7aef1 | 1 | use boll::*; |
902b2b31 | 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 | 15 | use std::f32::consts::PI; |
902b2b31 | 16 | use time::{Duration, Instant, prelude::*}; |
95e3e10d | 17 | |
6ba7aef1 TW |
18 | const FPS: u32 = 60; |
19 | const NS_PER_FRAME: u32 = 1_000_000_000 / FPS; | |
20 | ||
6edafdc0 TW |
21 | #[derive(Default)] |
22 | pub struct AppBuilder { | |
23 | resolution: Rect<u16>, | |
6edafdc0 TW |
24 | state: Option<Box<dyn AppState>>, |
25 | title: Option<String>, | |
3bfea951 TW |
26 | } |
27 | ||
6edafdc0 TW |
28 | impl AppBuilder { |
29 | pub fn with_resolution(mut self, width: u16, height: u16) -> Self { | |
6ba7aef1 TW |
30 | self.resolution = Rect { width, height }; |
31 | self | |
6edafdc0 TW |
32 | } |
33 | ||
6edafdc0 | 34 | pub fn with_state(mut self, state: Box<dyn AppState>) -> Self { |
6ba7aef1 TW |
35 | self.state = Some(state); |
36 | self | |
6edafdc0 TW |
37 | } |
38 | ||
39 | pub fn with_title(mut self, title: &str) -> Self { | |
6ba7aef1 TW |
40 | self.title = Some(title.to_string()); |
41 | self | |
6edafdc0 TW |
42 | } |
43 | ||
fea68d56 | 44 | pub fn build(self) -> Result<App, String> { |
3bfea951 | 45 | let context = sdl2::init().unwrap(); |
fea68d56 | 46 | sdl2::image::init(sdl2::image::InitFlag::PNG)?; |
6ba7aef1 | 47 | let video = context.video()?; |
b0566120 | 48 | //self.print_video_display_modes(&video); |
fea68d56 TW |
49 | |
50 | let window = video | |
6ba7aef1 TW |
51 | .window( |
52 | &self.title.unwrap(), | |
53 | self.resolution.width.into(), | |
54 | self.resolution.height.into(), | |
55 | ) | |
3bfea951 | 56 | .position_centered() |
6ba7aef1 TW |
57 | // .fullscreen() |
58 | // .fullscreen_desktop() | |
3bfea951 | 59 | .opengl() |
6ba7aef1 TW |
60 | .build() |
61 | .unwrap(); | |
3bfea951 | 62 | context.mouse().show_cursor(false); |
6edafdc0 | 63 | |
3bfea951 TW |
64 | let mut canvas = window.into_canvas().build().unwrap(); |
65 | canvas.set_blend_mode(BlendMode::Add); | |
66 | canvas.set_draw_color(Color::RGB(0, 0, 0)); | |
67 | canvas.clear(); | |
68 | canvas.present(); | |
6edafdc0 | 69 | |
6ba7aef1 | 70 | video.gl_set_swap_interval(SwapInterval::VSync)?; |
fea68d56 TW |
71 | |
72 | let event_pump = context.event_pump()?; | |
3bfea951 | 73 | let sprites = SpriteManager::new(canvas.texture_creator()); |
77034de9 | 74 | let screen = canvas.output_size().unwrap(); |
6edafdc0 | 75 | |
fea68d56 | 76 | Ok(App { |
3bfea951 TW |
77 | canvas, |
78 | event_pump, | |
79 | sprites, | |
77034de9 | 80 | state: self.state.unwrap_or_else(|| Box::new(ActiveState::new(screen))), |
bf7b5671 | 81 | ctrl_man: ControllerManager::new(context.joystick()?, context.haptic()?), |
fea68d56 TW |
82 | }) |
83 | } | |
84 | ||
b0566120 | 85 | #[allow(dead_code)] |
fea68d56 | 86 | fn print_video_display_modes(&self, video: &VideoSubsystem) { |
6ba7aef1 TW |
87 | println!("video subsystem: {:?}", video); |
88 | println!("current_video_driver: {:?}", video.current_video_driver()); | |
89 | for display in 0..video.num_video_displays().unwrap() { | |
90 | println!( | |
91 | "=== display {} - {} ===", | |
92 | display, | |
93 | video.display_name(display).unwrap() | |
94 | ); | |
95 | println!( | |
96 | " display_bounds: {:?}", | |
97 | video.display_bounds(display).unwrap() | |
98 | ); | |
99 | println!( | |
100 | " num_display_modes: {:?}", | |
101 | video.num_display_modes(display).unwrap() | |
102 | ); | |
103 | println!( | |
104 | " desktop_display_mode: {:?}", | |
105 | video.desktop_display_mode(display).unwrap() | |
106 | ); | |
1f362f49 | 107 | let current = video.current_display_mode(display).unwrap(); |
6ba7aef1 TW |
108 | println!( |
109 | " current_display_mode: {:?}", | |
1f362f49 | 110 | current |
6ba7aef1 | 111 | ); |
1f362f49 TW |
112 | for idx in 0..video.num_display_modes(display).unwrap() { |
113 | let mode = video.display_mode(display, idx).unwrap(); | |
6ba7aef1 | 114 | println!( |
1f362f49 TW |
115 | " {}{:2}: {:?}", |
116 | if mode == current { "*" } else { " " }, | |
117 | idx, | |
118 | mode | |
6ba7aef1 TW |
119 | ); |
120 | } | |
121 | } | |
122 | println!("swap interval: {:?}", video.gl_get_swap_interval()); | |
3bfea951 | 123 | } |
6edafdc0 TW |
124 | } |
125 | ||
126 | pub struct App { | |
fca4e4f0 TW |
127 | canvas: Canvas<Window>, |
128 | event_pump: EventPump, | |
129 | sprites: SpriteManager, | |
130 | state: Box<dyn AppState>, | |
b0566120 | 131 | pub ctrl_man: ControllerManager, |
6edafdc0 TW |
132 | } |
133 | ||
134 | impl App { | |
98995f2b | 135 | #[allow(clippy::new_ret_no_self)] |
6edafdc0 | 136 | pub fn new() -> AppBuilder { |
6ba7aef1 | 137 | Default::default() |
6edafdc0 | 138 | } |
3bfea951 | 139 | |
1e322944 | 140 | pub fn load_sprites(&mut self, sprites: &[(&str, &str)]) { |
3bfea951 TW |
141 | for (name, file) in sprites { |
142 | self.sprites.load(name, file); | |
143 | } | |
144 | } | |
6ba7aef1 TW |
145 | |
146 | pub fn start(&mut self) { | |
902b2b31 | 147 | let mut last_time = Instant::now(); |
6ba7aef1 | 148 | |
b0566120 TW |
149 | self.state.enter(&mut self.ctrl_man); |
150 | ||
6ba7aef1 | 151 | 'running: loop { |
541aee90 TW |
152 | if let Err(_) = self.handle_events() { |
153 | break 'running; | |
154 | } | |
6ba7aef1 | 155 | |
902b2b31 TW |
156 | let duration = Instant::now() - last_time; |
157 | last_time = Instant::now(); | |
158 | ||
bf7b5671 | 159 | self.ctrl_man.update(duration); |
6ba7aef1 | 160 | self.state.update(duration); |
541aee90 TW |
161 | |
162 | self.render(); | |
6ba7aef1 TW |
163 | } |
164 | ||
165 | self.state.leave(); | |
166 | } | |
541aee90 TW |
167 | |
168 | fn handle_events(&mut self) -> Result<(), ()> { | |
169 | for event in self.event_pump.poll_iter() { | |
3f344b63 | 170 | self.ctrl_man.handle_event(&event); |
541aee90 TW |
171 | match event { |
172 | Event::Quit { .. } | |
173 | | Event::KeyDown { | |
174 | keycode: Some(Keycode::Escape), | |
175 | .. | |
176 | } => { | |
177 | return Err(()) | |
178 | } | |
179 | Event::KeyDown { | |
180 | keycode: Some(Keycode::F11), | |
181 | .. | |
182 | } => { | |
183 | match self.canvas.window().fullscreen_state() { | |
184 | FullscreenType::Off => self | |
185 | .canvas | |
186 | .window_mut() | |
187 | .set_fullscreen(FullscreenType::Desktop), | |
188 | _ => self.canvas.window_mut().set_fullscreen(FullscreenType::Off), | |
189 | } | |
190 | .unwrap(); | |
191 | } | |
192 | Event::Window { | |
193 | win_event: WindowEvent::Resized(x, y), | |
194 | .. | |
195 | } => { | |
196 | println!("window resized({}, {})", x, y) | |
197 | } | |
198 | Event::Window { | |
199 | win_event: WindowEvent::Maximized, | |
200 | .. | |
201 | } => { | |
202 | println!("window maximized") | |
203 | } | |
204 | Event::Window { | |
205 | win_event: WindowEvent::Restored, | |
206 | .. | |
207 | } => { | |
208 | println!("window restored") | |
209 | } | |
210 | Event::Window { | |
211 | win_event: WindowEvent::Enter, | |
212 | .. | |
213 | } => { | |
214 | println!("window enter") | |
215 | } | |
216 | Event::Window { | |
217 | win_event: WindowEvent::Leave, | |
218 | .. | |
219 | } => { | |
220 | println!("window leave") | |
221 | } | |
222 | Event::Window { | |
223 | win_event: WindowEvent::FocusGained, | |
224 | .. | |
225 | } => { | |
226 | println!("window focus gained") | |
227 | } | |
228 | Event::Window { | |
229 | win_event: WindowEvent::FocusLost, | |
230 | .. | |
231 | } => { | |
232 | println!("window focus lost") | |
233 | } | |
b0566120 | 234 | _ => self.state.handle_event(event), |
541aee90 TW |
235 | } |
236 | } | |
237 | Ok(()) | |
238 | } | |
239 | ||
240 | fn render(&mut self) { | |
241 | self.canvas.set_draw_color(Color::RGB(0, 0, 0)); | |
242 | self.canvas.clear(); | |
243 | self.state.render(&mut self.canvas, &mut self.sprites); | |
244 | self.canvas.present(); | |
245 | } | |
3bfea951 | 246 | } |
95e3e10d TW |
247 | |
248 | pub trait AppState { | |
a82a4d23 | 249 | fn enter(&mut self, ctrl_man: &ControllerManager); |
b0566120 | 250 | fn leave(&mut self); |
902b2b31 | 251 | fn update(&mut self, dt: Duration); |
a82a4d23 | 252 | fn render(&mut self, canvas: &mut Canvas<Window>, sprites: &SpriteManager); |
b0566120 | 253 | fn handle_event(&mut self, event: Event); |
95e3e10d TW |
254 | } |
255 | ||
256 | type Bollar = Vec<Box<dyn Boll>>; | |
257 | ||
541aee90 | 258 | #[derive(Default)] |
95e3e10d | 259 | pub struct ActiveState { |
77034de9 | 260 | screen: Rect<u32>, |
95e3e10d TW |
261 | bolls: Bollar, |
262 | boll_size: u32, | |
541aee90 | 263 | mario_angle: f64, |
95e3e10d TW |
264 | } |
265 | ||
266 | impl ActiveState { | |
77034de9 | 267 | pub fn new(screen: (u32, u32)) -> ActiveState { |
95e3e10d TW |
268 | ActiveState { |
269 | bolls: Bollar::new(), | |
270 | boll_size: 1, | |
77034de9 | 271 | screen: Rect::from(screen), |
541aee90 | 272 | ..Default::default() |
95e3e10d TW |
273 | } |
274 | } | |
275 | ||
276 | fn change_boll_count(&mut self, delta: i32) { | |
98995f2b | 277 | #[allow(clippy::comparison_chain)] |
95e3e10d TW |
278 | if delta > 0 { |
279 | for _i in 0..delta { | |
280 | self.add_boll(); | |
281 | } | |
282 | } else if delta < 0 { | |
5cbbebbe | 283 | for _i in 0..(-delta) { |
95e3e10d TW |
284 | self.bolls.pop(); |
285 | } | |
286 | } | |
287 | } | |
288 | ||
289 | fn add_boll(&mut self) { | |
290 | let mut rng = rand::thread_rng(); | |
291 | self.bolls.push(Box::new(SquareBoll { | |
6ba7aef1 | 292 | pos: point!( |
77034de9 TW |
293 | rng.gen_range(0, self.screen.width) as f64, |
294 | rng.gen_range(0, self.screen.height) as f64 | |
6ba7aef1 | 295 | ), |
95e3e10d TW |
296 | vel: point!(rng.gen_range(-2.0, 2.0), rng.gen_range(-2.0, 2.0)), |
297 | })); | |
298 | } | |
299 | } | |
300 | ||
301 | impl AppState for ActiveState { | |
a82a4d23 | 302 | fn enter(&mut self, _ctrl_man: &ControllerManager) {} |
b0566120 | 303 | |
902b2b31 | 304 | fn update(&mut self, dt: Duration) { |
93679b27 | 305 | for b in &mut self.bolls { |
95e3e10d TW |
306 | b.update(); |
307 | } | |
308 | ||
309 | match dt { | |
902b2b31 TW |
310 | ns if ns < (NS_PER_FRAME - 90_0000).nanoseconds() => self.change_boll_count(100), |
311 | ns if ns > (NS_PER_FRAME + 90_0000).nanoseconds() => self.change_boll_count(-100), | |
95e3e10d TW |
312 | _ => {} |
313 | } | |
314 | } | |
315 | ||
a82a4d23 | 316 | fn render(&mut self, canvas: &mut Canvas<Window>, sprites: &SpriteManager) { |
541aee90 TW |
317 | /* draw square of blocks */ { |
318 | let blocks = 20; | |
319 | let size = 32; | |
320 | let offset = point!( | |
321 | (self.screen.width as i32 - (blocks + 1) * size) / 2, | |
322 | (self.screen.height as i32 - (blocks + 1) * size) / 2 | |
323 | ); | |
324 | let block = sprites.get("block"); | |
325 | for i in 0..blocks { | |
326 | canvas | |
327 | .copy( | |
328 | block, | |
329 | None, | |
330 | SDLRect::new((i) * size + offset.x, offset.y, size as u32, size as u32), | |
331 | ) | |
332 | .unwrap(); | |
333 | canvas | |
334 | .copy( | |
335 | block, | |
336 | None, | |
337 | SDLRect::new( | |
338 | (blocks - i) * size + offset.x, | |
339 | (blocks) * size + offset.y, | |
340 | size as u32, | |
341 | size as u32, | |
342 | ), | |
343 | ) | |
344 | .unwrap(); | |
345 | canvas | |
346 | .copy( | |
347 | block, | |
348 | None, | |
349 | SDLRect::new( | |
350 | offset.x, | |
351 | (blocks - i) * 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 | (blocks) * size + offset.x, | |
363 | (i) * size + offset.y, | |
364 | size as u32, | |
365 | size as u32, | |
366 | ), | |
367 | ) | |
368 | .unwrap(); | |
369 | } | |
370 | } | |
371 | ||
372 | /* draw mario */ { | |
373 | let size = 64; | |
374 | let offset = point!( | |
375 | (self.screen.width as i32 - size) / 2, | |
376 | (self.screen.height as i32 - size) / 2 | |
377 | ); | |
378 | let radius = 110.0 + size as f32 * 0.5; | |
379 | let angle = (self.mario_angle as f32 - 90.0) * PI / 180.0; | |
380 | let offset2 = point!((angle.cos() * radius) as i32, (angle.sin() * radius) as i32); | |
381 | canvas | |
382 | .copy_ex( | |
383 | sprites.get("mario"), | |
384 | None, | |
385 | SDLRect::new( | |
386 | offset.x + offset2.x, | |
387 | offset.y + offset2.y, | |
388 | size as u32, | |
389 | size as u32, | |
390 | ), | |
391 | self.mario_angle, | |
392 | sdl2::rect::Point::new(size / 2, size / 2), | |
393 | false, | |
394 | false, | |
395 | ) | |
396 | .unwrap(); | |
397 | self.mario_angle = (self.mario_angle + 1.0) % 360.0; | |
398 | } | |
399 | ||
400 | /* draw circles and ellipses*/ { | |
401 | let p = point!((self.screen.width / 2) as i16, (self.screen.height / 2) as i16); | |
402 | canvas | |
403 | .circle(p.x, p.y, 100, Color::RGB(255, 255, 255)) | |
404 | .unwrap(); | |
405 | canvas | |
406 | .aa_circle(p.x, p.y, 110, Color::RGB(255, 255, 255)) | |
407 | .unwrap(); | |
408 | canvas | |
409 | .ellipse(p.x, p.y, 50, 100, Color::RGB(255, 255, 255)) | |
410 | .unwrap(); | |
411 | canvas | |
412 | .aa_ellipse(p.x, p.y, 110, 55, Color::RGB(255, 255, 255)) | |
413 | .unwrap(); | |
414 | } | |
415 | ||
93679b27 | 416 | for b in &self.bolls { |
95e3e10d TW |
417 | b.draw(canvas, self.boll_size); |
418 | } | |
419 | } | |
420 | ||
b0566120 | 421 | fn leave(&mut self) { |
95e3e10d TW |
422 | println!("number of bolls: {}", self.bolls.len()); |
423 | } | |
424 | ||
b0566120 | 425 | fn handle_event(&mut self, event: Event) { |
95e3e10d | 426 | match event { |
6ba7aef1 TW |
427 | Event::KeyDown { |
428 | keycode: Some(Keycode::KpPlus), | |
429 | .. | |
430 | } => self.boll_size = std::cmp::min(self.boll_size + 1, 32), | |
431 | Event::KeyDown { | |
432 | keycode: Some(Keycode::KpMinus), | |
433 | .. | |
434 | } => self.boll_size = std::cmp::max(self.boll_size - 1, 1), | |
435 | Event::MouseMotion { x, y, .. } => self.bolls.push(Box::new(CircleBoll::new( | |
436 | point!(x as f64, y as f64), | |
437 | point!(0.0, 0.0), | |
438 | ))), | |
95e3e10d TW |
439 | _ => {} |
440 | } | |
441 | } | |
442 | } |