Commit | Line | Data |
---|---|---|
bf7b5671 | 1 | use AppState; |
bf7b5671 TW |
2 | use common::Point2D; |
3 | use core::controller::Controller; | |
4 | use core::controller::ControllerManager; | |
a6b57e45 | 5 | use core::level::Level; |
6566d7e5 | 6 | use core::render::Renderer; |
bf7b5671 | 7 | use point; |
b0566120 | 8 | use sdl2::event::Event; |
6566d7e5 | 9 | use sdl2::joystick::PowerLevel; |
a6b57e45 | 10 | use sdl2::keyboard::Keycode; |
bf7b5671 | 11 | use sdl2::rect::Rect; |
bf7b5671 TW |
12 | use sprites::SpriteManager; |
13 | use std::cell::RefCell; | |
14 | use std::rc::Rc; | |
902b2b31 | 15 | use time::Duration; |
b0566120 TW |
16 | |
17 | ////////// GAMESTATE /////////////////////////////////////////////////////////// | |
18 | ||
19 | #[derive(Default)] | |
20 | pub struct GameState { | |
21 | world: World, | |
22 | } | |
23 | ||
24 | impl GameState { | |
25 | pub fn new() -> Self { | |
26 | GameState { | |
27 | world: World::new(), | |
28 | } | |
29 | } | |
30 | } | |
31 | ||
32 | impl AppState for GameState { | |
a82a4d23 | 33 | fn enter(&mut self, ctrl_man: &ControllerManager) { |
b0566120 TW |
34 | if let Some(ctrl) = ctrl_man.controllers.get(&0) { |
35 | self.world.add(Box::new(Character::new(ctrl.clone()))); | |
36 | } | |
37 | } | |
38 | ||
39 | fn leave(&mut self) {} | |
40 | ||
902b2b31 | 41 | fn update(&mut self, dt: Duration) { |
b0566120 TW |
42 | self.world.update(dt); |
43 | } | |
44 | ||
6566d7e5 TW |
45 | fn render(&mut self, renderer: &mut Renderer, sprites: &SpriteManager) { |
46 | self.world.render(renderer, sprites); | |
b0566120 TW |
47 | } |
48 | ||
a6b57e45 TW |
49 | fn handle_event(&mut self, event: Event) { |
50 | match event { | |
51 | Event::KeyDown { keycode: Some(Keycode::Space), .. } => { | |
52 | self.world.level.regenerate(); | |
53 | } | |
54 | Event::KeyDown { keycode: Some(Keycode::KpPlus), .. } => { | |
55 | self.world.level.increase_iteration(); | |
56 | } | |
57 | Event::KeyDown { keycode: Some(Keycode::KpMinus), .. } => { | |
58 | self.world.level.decrease_iteration(); | |
59 | } | |
60 | _ => {} | |
61 | } | |
62 | } | |
b0566120 TW |
63 | } |
64 | ||
65 | ////////// WORLD /////////////////////////////////////////////////////////////// | |
66 | ||
67 | #[derive(Default)] | |
68 | pub struct World { | |
69 | level: Level, | |
3583c453 | 70 | objects: Objects, |
b0566120 TW |
71 | } |
72 | ||
73 | impl World { | |
74 | pub fn new() -> Self { | |
75 | World { | |
a6b57e45 | 76 | level: Level::new(point!(0.0, 0.1), 600.0), |
b0566120 TW |
77 | ..Default::default() |
78 | } | |
79 | } | |
80 | ||
902b2b31 | 81 | pub fn update(&mut self, dt: Duration) { |
3583c453 TW |
82 | let mut breeding_ground = vec!(); |
83 | ||
84 | for i in (0..self.objects.len()).rev() { | |
85 | if self.objects[i].update(&mut breeding_ground, &self.level, dt) == Dead { | |
86 | self.objects.remove(i); // swap_remove is more efficient, but changes the order of the array | |
87 | } | |
88 | } | |
89 | ||
90 | for o in breeding_ground { | |
91 | self.add(o); | |
b0566120 TW |
92 | } |
93 | } | |
94 | ||
6566d7e5 TW |
95 | pub fn render(&mut self, renderer: &mut Renderer, sprites: &SpriteManager) { |
96 | self.level.render(renderer, sprites); | |
b0566120 | 97 | for o in &mut self.objects { |
6566d7e5 | 98 | o.render(renderer, sprites); |
b0566120 TW |
99 | } |
100 | } | |
101 | ||
102 | pub fn add(&mut self, object: Box<dyn Object>) { | |
103 | self.objects.push(object); | |
104 | } | |
105 | } | |
106 | ||
b0566120 TW |
107 | ////////// OBJECT ////////////////////////////////////////////////////////////// |
108 | ||
3583c453 TW |
109 | type Objects = Vec<Box<dyn Object>>; |
110 | ||
b0566120 | 111 | pub trait Object { |
902b2b31 | 112 | fn update(&mut self, objects: &mut Objects, lvl: &Level, dt: Duration) -> ObjectState; |
6566d7e5 | 113 | fn render(&self, _renderer: &mut Renderer, _sprites: &SpriteManager) {} |
b0566120 TW |
114 | } |
115 | ||
3583c453 TW |
116 | #[derive(PartialEq)] |
117 | pub enum ObjectState { Alive, Dead } | |
118 | use self::ObjectState::*; | |
119 | ||
120 | ||
b0566120 TW |
121 | pub trait Physical {} |
122 | pub trait Drawable {} | |
123 | ||
124 | ////////// CHARACTER /////////////////////////////////////////////////////////// | |
125 | ||
126 | pub struct Character { | |
127 | ctrl: Rc<RefCell<Controller>>, | |
128 | pos: Point2D<f64>, | |
129 | vel: Point2D<f64>, | |
130 | } | |
131 | ||
132 | impl Character { | |
133 | pub fn new(ctrl: Rc<RefCell<Controller>>) -> Self { | |
134 | Character { | |
135 | ctrl, | |
136 | pos: point!(100.0, 100.0), | |
137 | vel: point!(0.0, 0.0), | |
138 | } | |
139 | } | |
140 | } | |
141 | ||
142 | impl Object for Character { | |
902b2b31 | 143 | fn update(&mut self, objects: &mut Objects, lvl: &Level, dt: Duration) -> ObjectState { |
b0566120 | 144 | self.vel += lvl.gravity; |
2836f506 | 145 | self.pos += self.vel; |
b0566120 | 146 | |
bf7b5671 | 147 | let ctrl = self.ctrl.borrow(); |
b0566120 TW |
148 | |
149 | if self.pos.y >= lvl.ground { | |
150 | self.pos.y = lvl.ground; | |
151 | self.vel.y = 0.0; | |
152 | self.vel.x *= 0.9; | |
153 | ||
bf7b5671 TW |
154 | if ctrl.jump.is_pressed { |
155 | self.vel = ctrl.aim.to_point() * 5.0; | |
3583c453 TW |
156 | } |
157 | } | |
158 | ||
bf7b5671 | 159 | if ctrl.shoot.is_pressed { |
3583c453 TW |
160 | use rand::distributions::{Distribution, Normal}; |
161 | let normal = Normal::new(0.0, 0.1); | |
162 | for _i in 0..100 { | |
163 | objects.push(Box::new(Boll { | |
164 | pos: self.pos, | |
eca25591 | 165 | vel: ctrl.aim.to_point() * (3.0 + rand::random::<f64>()) + point!(normal.sample(&mut rand::thread_rng()), normal.sample(&mut rand::thread_rng())) + self.vel, |
3583c453 TW |
166 | bounces: 2, |
167 | })); | |
b0566120 | 168 | } |
902b2b31 | 169 | ctrl.rumble(1.0, dt); |
b0566120 TW |
170 | } |
171 | ||
dbf33b0d TW |
172 | if ctrl.start.is_pressed && !ctrl.start.was_pressed { |
173 | match ctrl.device.power_level() { | |
174 | Ok(PowerLevel::Unknown) => { println!("power level unknown"); } | |
175 | Ok(PowerLevel::Empty) => { println!("power level empty"); } | |
176 | Ok(PowerLevel::Low) => { println!("power level low"); } | |
177 | Ok(PowerLevel::Medium) => { println!("power level medium"); } | |
178 | Ok(PowerLevel::Full) => { println!("power level full"); } | |
179 | Ok(PowerLevel::Wired) => { println!("power level wired"); } | |
180 | Err(_) => {} | |
181 | }; | |
182 | } | |
183 | ||
bf7b5671 | 184 | match ctrl.mov.x { |
b0566120 TW |
185 | v if v < -0.9 => { self.vel.x -= 0.5 } |
186 | v if v > 0.9 => { self.vel.x += 0.5 } | |
187 | _ => {} | |
188 | } | |
3583c453 TW |
189 | |
190 | Alive | |
b0566120 TW |
191 | } |
192 | ||
6566d7e5 | 193 | fn render(&self, renderer: &mut Renderer, sprites: &SpriteManager) { |
b0566120 TW |
194 | let block = sprites.get("mario"); |
195 | let size = 32; | |
6566d7e5 | 196 | renderer.blit(block, None, Rect::new(self.pos.x as i32 - size as i32 / 2, self.pos.y as i32 - size as i32, size, size)); |
bf7b5671 TW |
197 | |
198 | let ctrl = &self.ctrl.borrow(); | |
199 | let l = 300.0; | |
200 | let pos = (self.pos.x as i32, self.pos.y as i32); | |
201 | // axis values | |
eca25591 | 202 | let p = (self.pos + ctrl.aim.to_axis_point() * l).to_i32().into(); |
6566d7e5 TW |
203 | renderer.draw_line(pos, p, (0, 255, 0)); |
204 | draw_cross(renderer, p); | |
eca25591 TW |
205 | // values limited to unit vector |
206 | let p = (self.pos + ctrl.aim.to_point() * l).to_i32().into(); | |
6566d7e5 TW |
207 | renderer.draw_line(pos, p, (255, 0, 0)); |
208 | draw_cross(renderer, p); | |
bf7b5671 TW |
209 | // circle values |
210 | let p = (self.pos + Point2D::from(ctrl.aim.a) * l).to_i32().into(); | |
6566d7e5 TW |
211 | renderer.draw_line(pos, p, (0, 0, 255)); |
212 | draw_cross(renderer, p); | |
3583c453 TW |
213 | } |
214 | } | |
215 | ||
6566d7e5 TW |
216 | fn draw_cross(renderer: &mut Renderer, p: (i32, i32)) { |
217 | renderer.canvas().draw_line((p.0 - 5, p.1), (p.0 + 5, p.1)).unwrap(); | |
218 | renderer.canvas().draw_line((p.0, p.1 - 5), (p.0, p.1 + 5)).unwrap(); | |
bf7b5671 TW |
219 | } |
220 | ||
a82a4d23 TW |
221 | ////////// BOLL //////////////////////////////////////////////////////////////// |
222 | ||
3583c453 TW |
223 | pub struct Boll { |
224 | pos: Point2D<f64>, | |
225 | vel: Point2D<f64>, | |
226 | bounces: u8, | |
227 | } | |
228 | ||
229 | impl Object for Boll { | |
d34c324f | 230 | fn update(&mut self, objects: &mut Objects, lvl: &Level, _dt: Duration) -> ObjectState { |
3583c453 TW |
231 | self.vel += lvl.gravity; |
232 | self.pos += self.vel; | |
3583c453 | 233 | |
a6b57e45 TW |
234 | let x = (self.pos.x / lvl.grid.cell_size as f64).min(lvl.grid.width as f64 - 1.0).max(0.0) as usize; |
235 | let y = (self.pos.y / lvl.grid.cell_size as f64).min(lvl.grid.height as f64 - 1.0).max(0.0) as usize; | |
236 | if lvl.grid.cells[x][y] { | |
237 | if self.bounces == 0 { | |
238 | return Dead | |
239 | } | |
240 | self.vel = -self.vel; | |
241 | self.bounces -= 1; | |
d34c324f TW |
242 | use rand::distributions::{Distribution, Normal}; |
243 | let normal = Normal::new(0.5, 0.4); | |
244 | objects.push(Box::new(Boll { | |
a6b57e45 TW |
245 | vel: self.vel * normal.sample(&mut rand::thread_rng()), |
246 | ..*self | |
d34c324f TW |
247 | })); |
248 | } | |
249 | ||
3583c453 TW |
250 | Alive |
251 | } | |
252 | ||
6566d7e5 | 253 | fn render(&self, renderer: &mut Renderer, _sprites: &SpriteManager) { |
3583c453 TW |
254 | let block = _sprites.get("block"); |
255 | let size = 4 + self.bounces * 6; | |
6566d7e5 | 256 | renderer.blit(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)); |
a6b57e45 TW |
257 | // renderer.canvas().set_draw_color((0, self.bounces * 100, 255)); |
258 | // renderer.canvas().draw_point((self.pos.x as i32, self.pos.y as i32)).unwrap(); | |
b0566120 TW |
259 | } |
260 | } |