Commit | Line | Data |
---|---|---|
bf7b5671 | 1 | use AppState; |
dbf33b0d | 2 | use sdl2::joystick::PowerLevel; |
bf7b5671 TW |
3 | use common::Point2D; |
4 | use core::controller::Controller; | |
5 | use core::controller::ControllerManager; | |
6 | use point; | |
b0566120 | 7 | use sdl2::event::Event; |
bf7b5671 | 8 | use sdl2::rect::Rect; |
b0566120 TW |
9 | use sdl2::render::Canvas; |
10 | use sdl2::video::Window; | |
bf7b5671 TW |
11 | use sprites::SpriteManager; |
12 | use std::cell::RefCell; | |
13 | use std::rc::Rc; | |
902b2b31 | 14 | use time::Duration; |
b0566120 TW |
15 | |
16 | ////////// GAMESTATE /////////////////////////////////////////////////////////// | |
17 | ||
18 | #[derive(Default)] | |
19 | pub struct GameState { | |
20 | world: World, | |
21 | } | |
22 | ||
23 | impl GameState { | |
24 | pub fn new() -> Self { | |
25 | GameState { | |
26 | world: World::new(), | |
27 | } | |
28 | } | |
29 | } | |
30 | ||
31 | impl AppState for GameState { | |
a82a4d23 | 32 | fn enter(&mut self, ctrl_man: &ControllerManager) { |
b0566120 TW |
33 | if let Some(ctrl) = ctrl_man.controllers.get(&0) { |
34 | self.world.add(Box::new(Character::new(ctrl.clone()))); | |
35 | } | |
36 | } | |
37 | ||
38 | fn leave(&mut self) {} | |
39 | ||
902b2b31 | 40 | fn update(&mut self, dt: Duration) { |
b0566120 TW |
41 | self.world.update(dt); |
42 | } | |
43 | ||
a82a4d23 | 44 | fn render(&mut self, canvas: &mut Canvas<Window>, sprites: &SpriteManager) { |
b0566120 TW |
45 | self.world.render(canvas, sprites); |
46 | } | |
47 | ||
48 | fn handle_event(&mut self, _event: Event) {} | |
49 | } | |
50 | ||
51 | ////////// WORLD /////////////////////////////////////////////////////////////// | |
52 | ||
53 | #[derive(Default)] | |
54 | pub struct World { | |
55 | level: Level, | |
3583c453 | 56 | objects: Objects, |
b0566120 TW |
57 | } |
58 | ||
59 | impl World { | |
60 | pub fn new() -> Self { | |
61 | World { | |
62 | level: Level { | |
63 | gravity: point!(0.0, 0.1), | |
64 | ground: 600.0, | |
65 | }, | |
66 | ..Default::default() | |
67 | } | |
68 | } | |
69 | ||
902b2b31 | 70 | pub fn update(&mut self, dt: Duration) { |
3583c453 TW |
71 | let mut breeding_ground = vec!(); |
72 | ||
73 | for i in (0..self.objects.len()).rev() { | |
74 | if self.objects[i].update(&mut breeding_ground, &self.level, dt) == Dead { | |
75 | self.objects.remove(i); // swap_remove is more efficient, but changes the order of the array | |
76 | } | |
77 | } | |
78 | ||
79 | for o in breeding_ground { | |
80 | self.add(o); | |
b0566120 TW |
81 | } |
82 | } | |
83 | ||
a82a4d23 | 84 | pub fn render(&mut self, canvas: &mut Canvas<Window>, sprites: &SpriteManager) { |
b0566120 TW |
85 | self.level.render(canvas, sprites); |
86 | for o in &mut self.objects { | |
87 | o.render(canvas, sprites); | |
88 | } | |
89 | } | |
90 | ||
91 | pub fn add(&mut self, object: Box<dyn Object>) { | |
92 | self.objects.push(object); | |
93 | } | |
94 | } | |
95 | ||
96 | ////////// LEVEL /////////////////////////////////////////////////////////////// | |
97 | ||
98 | #[derive(Default)] | |
99 | pub struct Level { | |
100 | gravity: Point2D<f64>, | |
101 | ground: f64, // just to have something | |
102 | } | |
103 | ||
104 | impl Level { | |
a82a4d23 | 105 | pub fn render(&mut self, canvas: &mut Canvas<Window>, _sprites: &SpriteManager) { |
b0566120 TW |
106 | let w = canvas.viewport().width() as i32; |
107 | for i in 1..11 { | |
108 | let y = (i * i - 1) as i32 + self.ground as i32; | |
109 | canvas.set_draw_color((255 - i * 20, 255 - i * 20, 0)); | |
110 | canvas.draw_line((0, y), (w, y)).unwrap(); | |
111 | } | |
112 | } | |
113 | } | |
114 | ||
115 | ////////// OBJECT ////////////////////////////////////////////////////////////// | |
116 | ||
3583c453 TW |
117 | type Objects = Vec<Box<dyn Object>>; |
118 | ||
b0566120 | 119 | pub trait Object { |
902b2b31 | 120 | fn update(&mut self, objects: &mut Objects, lvl: &Level, dt: Duration) -> ObjectState; |
a82a4d23 | 121 | fn render(&self, _canvas: &mut Canvas<Window>, _sprites: &SpriteManager) {} |
b0566120 TW |
122 | } |
123 | ||
3583c453 TW |
124 | #[derive(PartialEq)] |
125 | pub enum ObjectState { Alive, Dead } | |
126 | use self::ObjectState::*; | |
127 | ||
128 | ||
b0566120 TW |
129 | pub trait Physical {} |
130 | pub trait Drawable {} | |
131 | ||
132 | ////////// CHARACTER /////////////////////////////////////////////////////////// | |
133 | ||
134 | pub struct Character { | |
135 | ctrl: Rc<RefCell<Controller>>, | |
136 | pos: Point2D<f64>, | |
137 | vel: Point2D<f64>, | |
138 | } | |
139 | ||
140 | impl Character { | |
141 | pub fn new(ctrl: Rc<RefCell<Controller>>) -> Self { | |
142 | Character { | |
143 | ctrl, | |
144 | pos: point!(100.0, 100.0), | |
145 | vel: point!(0.0, 0.0), | |
146 | } | |
147 | } | |
148 | } | |
149 | ||
150 | impl Object for Character { | |
902b2b31 | 151 | fn update(&mut self, objects: &mut Objects, lvl: &Level, dt: Duration) -> ObjectState { |
b0566120 | 152 | self.vel += lvl.gravity; |
2836f506 | 153 | self.pos += self.vel; |
b0566120 | 154 | |
bf7b5671 | 155 | let ctrl = self.ctrl.borrow(); |
b0566120 TW |
156 | |
157 | if self.pos.y >= lvl.ground { | |
158 | self.pos.y = lvl.ground; | |
159 | self.vel.y = 0.0; | |
160 | self.vel.x *= 0.9; | |
161 | ||
bf7b5671 TW |
162 | if ctrl.jump.is_pressed { |
163 | self.vel = ctrl.aim.to_point() * 5.0; | |
3583c453 TW |
164 | } |
165 | } | |
166 | ||
bf7b5671 | 167 | if ctrl.shoot.is_pressed { |
3583c453 TW |
168 | use rand::distributions::{Distribution, Normal}; |
169 | let normal = Normal::new(0.0, 0.1); | |
170 | for _i in 0..100 { | |
171 | objects.push(Box::new(Boll { | |
172 | pos: self.pos, | |
bf7b5671 | 173 | vel: ctrl.aim.to_adjusted_point() * (3.0 + rand::random::<f64>()) + point!(normal.sample(&mut rand::thread_rng()), normal.sample(&mut rand::thread_rng())) + self.vel, |
3583c453 TW |
174 | bounces: 2, |
175 | })); | |
b0566120 | 176 | } |
902b2b31 | 177 | ctrl.rumble(1.0, dt); |
b0566120 TW |
178 | } |
179 | ||
dbf33b0d TW |
180 | if ctrl.start.is_pressed && !ctrl.start.was_pressed { |
181 | match ctrl.device.power_level() { | |
182 | Ok(PowerLevel::Unknown) => { println!("power level unknown"); } | |
183 | Ok(PowerLevel::Empty) => { println!("power level empty"); } | |
184 | Ok(PowerLevel::Low) => { println!("power level low"); } | |
185 | Ok(PowerLevel::Medium) => { println!("power level medium"); } | |
186 | Ok(PowerLevel::Full) => { println!("power level full"); } | |
187 | Ok(PowerLevel::Wired) => { println!("power level wired"); } | |
188 | Err(_) => {} | |
189 | }; | |
190 | } | |
191 | ||
bf7b5671 | 192 | match ctrl.mov.x { |
b0566120 TW |
193 | v if v < -0.9 => { self.vel.x -= 0.5 } |
194 | v if v > 0.9 => { self.vel.x += 0.5 } | |
195 | _ => {} | |
196 | } | |
3583c453 TW |
197 | |
198 | Alive | |
b0566120 TW |
199 | } |
200 | ||
a82a4d23 | 201 | fn render(&self, canvas: &mut Canvas<Window>, sprites: &SpriteManager) { |
b0566120 TW |
202 | let block = sprites.get("mario"); |
203 | let size = 32; | |
3583c453 | 204 | canvas.copy(block, None, Rect::new(self.pos.x as i32 - size as i32 / 2, self.pos.y as i32 - size as i32, size, size)).unwrap(); |
bf7b5671 TW |
205 | |
206 | let ctrl = &self.ctrl.borrow(); | |
207 | let l = 300.0; | |
208 | let pos = (self.pos.x as i32, self.pos.y as i32); | |
209 | // axis values | |
210 | let p = (self.pos + ctrl.aim.to_point() * l).to_i32().into(); | |
3583c453 | 211 | canvas.set_draw_color((0, 255, 0)); |
bf7b5671 TW |
212 | canvas.draw_line(pos, p).unwrap(); |
213 | draw_cross(canvas, p); | |
214 | // adjusted values | |
215 | let p = (self.pos + ctrl.aim.to_adjusted_point() * l).to_i32().into(); | |
216 | canvas.set_draw_color((255, 0, 0)); | |
217 | canvas.draw_line(pos, p).unwrap(); | |
218 | draw_cross(canvas, p); | |
219 | // circle values | |
220 | let p = (self.pos + Point2D::from(ctrl.aim.a) * l).to_i32().into(); | |
221 | canvas.set_draw_color((0, 0, 255)); | |
222 | canvas.draw_line(pos, p).unwrap(); | |
223 | draw_cross(canvas, p); | |
3583c453 TW |
224 | } |
225 | } | |
226 | ||
bf7b5671 TW |
227 | fn draw_cross(canvas: &mut Canvas<Window>, p: (i32, i32)) { |
228 | canvas.draw_line((p.0 - 5, p.1), (p.0 + 5, p.1)).unwrap(); | |
229 | canvas.draw_line((p.0, p.1 - 5), (p.0, p.1 + 5)).unwrap(); | |
230 | } | |
231 | ||
a82a4d23 TW |
232 | ////////// BOLL //////////////////////////////////////////////////////////////// |
233 | ||
3583c453 TW |
234 | pub struct Boll { |
235 | pos: Point2D<f64>, | |
236 | vel: Point2D<f64>, | |
237 | bounces: u8, | |
238 | } | |
239 | ||
240 | impl Object for Boll { | |
902b2b31 | 241 | fn update(&mut self, _objects: &mut Objects, lvl: &Level, _dt: Duration) -> ObjectState { |
3583c453 TW |
242 | self.vel += lvl.gravity; |
243 | self.pos += self.vel; | |
244 | ||
245 | if self.pos.y >= lvl.ground { | |
246 | if self.bounces == 0 { | |
247 | return Dead | |
248 | } else { | |
249 | self.bounces -= 1; | |
250 | self.pos.y = lvl.ground; | |
251 | self.vel.y = -self.vel.y; | |
252 | } | |
253 | } | |
254 | ||
255 | Alive | |
256 | } | |
257 | ||
a82a4d23 | 258 | fn render(&self, canvas: &mut Canvas<Window>, _sprites: &SpriteManager) { |
3583c453 TW |
259 | let block = _sprites.get("block"); |
260 | let size = 4 + self.bounces * 6; | |
261 | canvas.copy(block, None, Rect::new(self.pos.x as i32 - size as i32 / 2, self.pos.y as i32 - size as i32 / 2, size as u32, size as u32)).unwrap(); | |
262 | // canvas.set_draw_color((0, self.bounces * 100, 255)); | |
263 | // canvas.draw_point((self.pos.x as i32, self.pos.y as i32)).unwrap(); | |
b0566120 TW |
264 | } |
265 | } |