Commit | Line | Data |
---|---|---|
eb253fcc | 1 | use ActiveState; |
79914631 | 2 | use AppState; |
afbecec4 | 3 | use common::{Point2D, Radians}; |
eb253fcc | 4 | use core::app::StateChange; |
bf7b5671 TW |
5 | use core::controller::Controller; |
6 | use core::controller::ControllerManager; | |
79914631 | 7 | use core::level::{Level, LevelGenerator}; |
6566d7e5 | 8 | use core::render::Renderer; |
bf7b5671 | 9 | use point; |
b0566120 | 10 | use sdl2::event::Event; |
6566d7e5 | 11 | use sdl2::joystick::PowerLevel; |
a6b57e45 | 12 | use sdl2::keyboard::Keycode; |
bf7b5671 | 13 | use sdl2::rect::Rect; |
bf7b5671 TW |
14 | use sprites::SpriteManager; |
15 | use std::cell::RefCell; | |
16 | use std::rc::Rc; | |
902b2b31 | 17 | use time::Duration; |
b0566120 TW |
18 | |
19 | ////////// GAMESTATE /////////////////////////////////////////////////////////// | |
20 | ||
21 | #[derive(Default)] | |
22 | pub struct GameState { | |
23 | world: World, | |
79914631 | 24 | lvlgen: LevelGenerator, |
b0566120 TW |
25 | } |
26 | ||
27 | impl GameState { | |
28 | pub fn new() -> Self { | |
79914631 | 29 | let lvlgen = LevelGenerator::new(0, 5); |
b0566120 | 30 | GameState { |
79914631 TW |
31 | world: World::new(lvlgen.generate()), |
32 | lvlgen, | |
b0566120 TW |
33 | } |
34 | } | |
35 | } | |
36 | ||
37 | impl AppState for GameState { | |
a82a4d23 | 38 | fn enter(&mut self, ctrl_man: &ControllerManager) { |
3fd8761b TW |
39 | for (_k, v) in ctrl_man.controllers.iter() { |
40 | self.world.add(Box::new(Character::new(v.clone()))); | |
b0566120 TW |
41 | } |
42 | } | |
43 | ||
44 | fn leave(&mut self) {} | |
45 | ||
eb253fcc | 46 | fn update(&mut self, dt: Duration) -> Option<StateChange> { |
b0566120 | 47 | self.world.update(dt); |
eb253fcc | 48 | None |
b0566120 TW |
49 | } |
50 | ||
6566d7e5 TW |
51 | fn render(&mut self, renderer: &mut Renderer, sprites: &SpriteManager) { |
52 | self.world.render(renderer, sprites); | |
b0566120 TW |
53 | } |
54 | ||
eb253fcc | 55 | fn handle_event(&mut self, event: Event) -> Option<StateChange> { |
a6b57e45 | 56 | match event { |
eb253fcc TW |
57 | Event::KeyDown { keycode: Some(Keycode::Escape), .. } => { |
58 | return Some(StateChange::Pop) | |
59 | } | |
60 | Event::KeyDown { keycode: Some(Keycode::Return), .. } => { | |
61 | return Some(StateChange::Push(Box::new(ActiveState::new((800, 600))))) | |
62 | } | |
a6b57e45 | 63 | Event::KeyDown { keycode: Some(Keycode::Space), .. } => { |
79914631 TW |
64 | self.lvlgen.seed = std::time::UNIX_EPOCH.elapsed().unwrap().as_secs() as u32; |
65 | self.world.level = self.lvlgen.generate(); | |
a6b57e45 TW |
66 | } |
67 | Event::KeyDown { keycode: Some(Keycode::KpPlus), .. } => { | |
79914631 TW |
68 | self.lvlgen.iterations += 1; |
69 | println!("{} iteration(s) of cellular automata", self.lvlgen.iterations); | |
70 | self.world.level = self.lvlgen.generate(); | |
a6b57e45 TW |
71 | } |
72 | Event::KeyDown { keycode: Some(Keycode::KpMinus), .. } => { | |
79914631 TW |
73 | self.lvlgen.iterations = 1.max(self.lvlgen.iterations - 1); |
74 | println!("{} iteration(s) of cellular automata", self.lvlgen.iterations); | |
75 | self.world.level = self.lvlgen.generate(); | |
c80ba7f7 | 76 | } |
a6b57e45 TW |
77 | _ => {} |
78 | } | |
eb253fcc | 79 | None |
a6b57e45 | 80 | } |
b0566120 TW |
81 | } |
82 | ||
83 | ////////// WORLD /////////////////////////////////////////////////////////////// | |
84 | ||
85 | #[derive(Default)] | |
86 | pub struct World { | |
87 | level: Level, | |
3583c453 | 88 | objects: Objects, |
b0566120 TW |
89 | } |
90 | ||
91 | impl World { | |
79914631 | 92 | pub fn new(level: Level) -> Self { |
b0566120 | 93 | World { |
79914631 | 94 | level, |
b0566120 TW |
95 | ..Default::default() |
96 | } | |
97 | } | |
98 | ||
902b2b31 | 99 | pub fn update(&mut self, dt: Duration) { |
3583c453 TW |
100 | let mut breeding_ground = vec!(); |
101 | ||
102 | for i in (0..self.objects.len()).rev() { | |
103 | if self.objects[i].update(&mut breeding_ground, &self.level, dt) == Dead { | |
104 | self.objects.remove(i); // swap_remove is more efficient, but changes the order of the array | |
105 | } | |
106 | } | |
107 | ||
108 | for o in breeding_ground { | |
109 | self.add(o); | |
b0566120 | 110 | } |
3fd8761b TW |
111 | |
112 | println!("\x1b[Kobject count: {}\x1b[1A", self.objects.len()); // clear line, print, move cursor up | |
b0566120 TW |
113 | } |
114 | ||
6566d7e5 TW |
115 | pub fn render(&mut self, renderer: &mut Renderer, sprites: &SpriteManager) { |
116 | self.level.render(renderer, sprites); | |
b0566120 | 117 | for o in &mut self.objects { |
6566d7e5 | 118 | o.render(renderer, sprites); |
b0566120 TW |
119 | } |
120 | } | |
121 | ||
122 | pub fn add(&mut self, object: Box<dyn Object>) { | |
123 | self.objects.push(object); | |
124 | } | |
125 | } | |
126 | ||
b0566120 TW |
127 | ////////// OBJECT ////////////////////////////////////////////////////////////// |
128 | ||
3583c453 TW |
129 | type Objects = Vec<Box<dyn Object>>; |
130 | ||
b0566120 | 131 | pub trait Object { |
902b2b31 | 132 | fn update(&mut self, objects: &mut Objects, lvl: &Level, dt: Duration) -> ObjectState; |
6566d7e5 | 133 | fn render(&self, _renderer: &mut Renderer, _sprites: &SpriteManager) {} |
b0566120 TW |
134 | } |
135 | ||
3583c453 TW |
136 | #[derive(PartialEq)] |
137 | pub enum ObjectState { Alive, Dead } | |
138 | use self::ObjectState::*; | |
139 | ||
140 | ||
b0566120 TW |
141 | pub trait Physical {} |
142 | pub trait Drawable {} | |
143 | ||
144 | ////////// CHARACTER /////////////////////////////////////////////////////////// | |
145 | ||
146 | pub struct Character { | |
147 | ctrl: Rc<RefCell<Controller>>, | |
148 | pos: Point2D<f64>, | |
149 | vel: Point2D<f64>, | |
150 | } | |
151 | ||
152 | impl Character { | |
153 | pub fn new(ctrl: Rc<RefCell<Controller>>) -> Self { | |
154 | Character { | |
155 | ctrl, | |
3fd8761b | 156 | pos: point!(300.0, 300.0), |
b0566120 TW |
157 | vel: point!(0.0, 0.0), |
158 | } | |
159 | } | |
160 | } | |
161 | ||
162 | impl Object for Character { | |
902b2b31 | 163 | fn update(&mut self, objects: &mut Objects, lvl: &Level, dt: Duration) -> ObjectState { |
bf7b5671 | 164 | let ctrl = self.ctrl.borrow(); |
b0566120 | 165 | |
3fd8761b TW |
166 | let x = (self.pos.x / lvl.grid.cell_size as f64).min(lvl.grid.width as f64 - 1.0).max(0.0) as usize; |
167 | let y = (self.pos.y / lvl.grid.cell_size as f64).min(lvl.grid.height as f64 - 1.0).max(0.0) as usize; | |
168 | if lvl.grid.cells[x][y] { | |
169 | self.vel += lvl.gravity; | |
170 | if self.vel.y > 0.0 && !(ctrl.mov.down() && ctrl.jump.is_pressed) { | |
171 | self.vel.y = 0.0; | |
172 | self.vel.x *= 0.9; | |
173 | } | |
b0566120 | 174 | |
3fd8761b TW |
175 | if !ctrl.mov.down() { |
176 | if ctrl.jump.is_pressed && !ctrl.jump.was_pressed { | |
177 | self.vel.y = -5.0; | |
178 | } | |
3583c453 | 179 | } |
3fd8761b TW |
180 | } else { |
181 | self.vel += lvl.gravity; | |
3583c453 | 182 | } |
3fd8761b | 183 | self.pos += self.vel; |
3583c453 | 184 | |
bf7b5671 | 185 | if ctrl.shoot.is_pressed { |
3583c453 TW |
186 | use rand::distributions::{Distribution, Normal}; |
187 | let normal = Normal::new(0.0, 0.1); | |
3fd8761b | 188 | let direction = if ctrl.aim.to_point().length() > 0.1 { ctrl.aim.to_point() } else { ctrl.mov.to_point() }; |
3583c453 TW |
189 | for _i in 0..100 { |
190 | objects.push(Box::new(Boll { | |
191 | pos: self.pos, | |
3fd8761b | 192 | vel: direction * (10.0 + rand::random::<f64>()) + point!(normal.sample(&mut rand::thread_rng()), normal.sample(&mut rand::thread_rng())) + self.vel, |
3583c453 TW |
193 | bounces: 2, |
194 | })); | |
b0566120 | 195 | } |
902b2b31 | 196 | ctrl.rumble(1.0, dt); |
3fd8761b | 197 | self.vel -= direction * 0.1; |
b0566120 TW |
198 | } |
199 | ||
dbf33b0d TW |
200 | if ctrl.start.is_pressed && !ctrl.start.was_pressed { |
201 | match ctrl.device.power_level() { | |
202 | Ok(PowerLevel::Unknown) => { println!("power level unknown"); } | |
203 | Ok(PowerLevel::Empty) => { println!("power level empty"); } | |
204 | Ok(PowerLevel::Low) => { println!("power level low"); } | |
205 | Ok(PowerLevel::Medium) => { println!("power level medium"); } | |
206 | Ok(PowerLevel::Full) => { println!("power level full"); } | |
207 | Ok(PowerLevel::Wired) => { println!("power level wired"); } | |
208 | Err(_) => {} | |
209 | }; | |
210 | } | |
211 | ||
bf7b5671 | 212 | match ctrl.mov.x { |
3fd8761b TW |
213 | v if v < -0.9 && self.vel.x > -5.0 => { self.vel.x -= 0.5 } |
214 | v if v > 0.9 && self.vel.x < 5.0 => { self.vel.x += 0.5 } | |
b0566120 TW |
215 | _ => {} |
216 | } | |
3583c453 TW |
217 | |
218 | Alive | |
b0566120 TW |
219 | } |
220 | ||
6566d7e5 | 221 | fn render(&self, renderer: &mut Renderer, sprites: &SpriteManager) { |
b0566120 TW |
222 | let block = sprites.get("mario"); |
223 | let size = 32; | |
6566d7e5 | 224 | 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 |
225 | |
226 | let ctrl = &self.ctrl.borrow(); | |
227 | let l = 300.0; | |
228 | let pos = (self.pos.x as i32, self.pos.y as i32); | |
3fd8761b TW |
229 | // // axis values |
230 | // let p = (self.pos + ctrl.aim.to_axis_point() * l).to_i32().into(); | |
231 | // renderer.draw_line(pos, p, (0, 255, 0)); | |
232 | // draw_cross(renderer, p); | |
eca25591 TW |
233 | // values limited to unit vector |
234 | let p = (self.pos + ctrl.aim.to_point() * l).to_i32().into(); | |
6566d7e5 TW |
235 | renderer.draw_line(pos, p, (255, 0, 0)); |
236 | draw_cross(renderer, p); | |
3fd8761b TW |
237 | let p = (self.pos + ctrl.mov.to_point() * l).to_i32().into(); |
238 | renderer.draw_line(pos, p, (0, 255, 0)); | |
6566d7e5 | 239 | draw_cross(renderer, p); |
3fd8761b TW |
240 | // // circle values |
241 | // let p = (self.pos + Point2D::from(ctrl.aim.a) * l).to_i32().into(); | |
242 | // renderer.draw_line(pos, p, (0, 0, 255)); | |
243 | // draw_cross(renderer, p); | |
3583c453 TW |
244 | } |
245 | } | |
246 | ||
6566d7e5 TW |
247 | fn draw_cross(renderer: &mut Renderer, p: (i32, i32)) { |
248 | renderer.canvas().draw_line((p.0 - 5, p.1), (p.0 + 5, p.1)).unwrap(); | |
249 | renderer.canvas().draw_line((p.0, p.1 - 5), (p.0, p.1 + 5)).unwrap(); | |
bf7b5671 TW |
250 | } |
251 | ||
a82a4d23 TW |
252 | ////////// BOLL //////////////////////////////////////////////////////////////// |
253 | ||
3583c453 TW |
254 | pub struct Boll { |
255 | pos: Point2D<f64>, | |
256 | vel: Point2D<f64>, | |
257 | bounces: u8, | |
258 | } | |
259 | ||
260 | impl Object for Boll { | |
d34c324f | 261 | fn update(&mut self, objects: &mut Objects, lvl: &Level, _dt: Duration) -> ObjectState { |
3583c453 TW |
262 | self.vel += lvl.gravity; |
263 | self.pos += self.vel; | |
3583c453 | 264 | |
a6b57e45 TW |
265 | let x = (self.pos.x / lvl.grid.cell_size as f64).min(lvl.grid.width as f64 - 1.0).max(0.0) as usize; |
266 | let y = (self.pos.y / lvl.grid.cell_size as f64).min(lvl.grid.height as f64 - 1.0).max(0.0) as usize; | |
267 | if lvl.grid.cells[x][y] { | |
268 | if self.bounces == 0 { | |
269 | return Dead | |
270 | } | |
afbecec4 TW |
271 | self.vel *= -0.25; |
272 | self.pos += self.vel; | |
a6b57e45 | 273 | self.bounces -= 1; |
d34c324f | 274 | use rand::distributions::{Distribution, Normal}; |
afbecec4 TW |
275 | let mut rng = rand::thread_rng(); |
276 | let a = Radians(self.vel.to_radians().0 + Normal::new(0.0, 0.75).sample(&mut rng)); | |
d34c324f | 277 | objects.push(Box::new(Boll { |
afbecec4 | 278 | vel: Point2D::from(a) * Normal::new(1.0, 0.25).sample(&mut rng) * self.vel.length(), |
a6b57e45 | 279 | ..*self |
d34c324f TW |
280 | })); |
281 | } | |
282 | ||
3583c453 TW |
283 | Alive |
284 | } | |
285 | ||
6566d7e5 | 286 | fn render(&self, renderer: &mut Renderer, _sprites: &SpriteManager) { |
3583c453 TW |
287 | let block = _sprites.get("block"); |
288 | let size = 4 + self.bounces * 6; | |
6566d7e5 | 289 | 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 |
290 | // renderer.canvas().set_draw_color((0, self.bounces * 100, 255)); |
291 | // renderer.canvas().draw_point((self.pos.x as i32, self.pos.y as i32)).unwrap(); | |
b0566120 TW |
292 | } |
293 | } |