| | 1 | use AppState; |
| | 2 | use core::app::StateChange; |
| | 3 | use core::controller::Controller; |
| | 4 | use core::controller::ControllerManager; |
| | 5 | use core::level::{Level, LevelGenerator, Wall, IntersectResult::Intersection}; |
| | 6 | use core::render::Renderer; |
| | 7 | use geometry::{Point, ToAngle}; |
| | 8 | use point; |
| | 9 | use sdl2::event::Event; |
| | 10 | use sdl2::joystick::PowerLevel; |
| | 11 | use sdl2::keyboard::Keycode; |
| | 12 | use sdl2::rect::Rect; |
| | 13 | use sprites::SpriteManager; |
| | 14 | use std::cell::RefCell; |
| | 15 | use std::rc::Rc; |
| | 16 | use teststate::TestState; |
| | 17 | use time::Duration; |
| | 18 | |
| | 19 | ////////// GAMESTATE /////////////////////////////////////////////////////////// |
| | 20 | |
| | 21 | #[derive(Default)] |
| | 22 | pub struct GameState { |
| | 23 | world: World, |
| | 24 | lvlgen: LevelGenerator, |
| | 25 | debug_mode: bool, |
| | 26 | } |
| | 27 | |
| | 28 | impl GameState { |
| | 29 | pub fn new() -> Self { |
| | 30 | let lvlgen = LevelGenerator::new(0); |
| | 31 | GameState { |
| | 32 | world: World::new(lvlgen.generate()), |
| | 33 | lvlgen, |
| | 34 | ..Default::default() |
| | 35 | } |
| | 36 | } |
| | 37 | } |
| | 38 | |
| | 39 | impl AppState for GameState { |
| | 40 | fn enter(&mut self, ctrl_man: &ControllerManager) { |
| | 41 | for (_k, v) in ctrl_man.controllers.iter() { |
| | 42 | self.world.add(Box::new(Character::new(v.clone()))); |
| | 43 | } |
| | 44 | } |
| | 45 | |
| | 46 | fn leave(&mut self) {} |
| | 47 | |
| | 48 | fn update(&mut self, dt: Duration) -> Option<StateChange> { |
| | 49 | self.world.update(dt); |
| | 50 | None |
| | 51 | } |
| | 52 | |
| | 53 | fn render(&mut self, renderer: &mut Renderer, sprites: &SpriteManager) { |
| | 54 | self.world.render(renderer, sprites, self.debug_mode); |
| | 55 | } |
| | 56 | |
| | 57 | fn handle_event(&mut self, event: Event) -> Option<StateChange> { |
| | 58 | match event { |
| | 59 | Event::KeyDown { keycode: Some(Keycode::Escape), .. } => { |
| | 60 | return Some(StateChange::Pop) |
| | 61 | } |
| | 62 | Event::KeyDown { keycode: Some(Keycode::Return), .. } => { |
| | 63 | return Some(StateChange::Push(Box::new(TestState::new()))) |
| | 64 | } |
| | 65 | Event::KeyDown { keycode: Some(Keycode::KpEnter), .. } => { |
| | 66 | self.debug_mode = !self.debug_mode; |
| | 67 | } |
| | 68 | Event::KeyDown { keycode: Some(Keycode::Space), .. } => { |
| | 69 | self.lvlgen.seed = std::time::UNIX_EPOCH.elapsed().unwrap().as_secs() as u32; |
| | 70 | self.world.level = self.lvlgen.generate(); |
| | 71 | } |
| | 72 | Event::KeyDown { keycode: Some(Keycode::KpPlus), .. } => { |
| | 73 | self.lvlgen.iterations += 1; |
| | 74 | self.world.level = self.lvlgen.generate(); |
| | 75 | } |
| | 76 | Event::KeyDown { keycode: Some(Keycode::KpMinus), .. } => { |
| | 77 | if self.lvlgen.iterations > 0 { |
| | 78 | self.lvlgen.iterations -= 1; |
| | 79 | self.world.level = self.lvlgen.generate(); |
| | 80 | } |
| | 81 | } |
| | 82 | Event::KeyDown { keycode: Some(Keycode::KpMultiply), .. } => { |
| | 83 | self.lvlgen.wall_smooth_radius += 1; |
| | 84 | self.world.level = self.lvlgen.generate(); |
| | 85 | } |
| | 86 | Event::KeyDown { keycode: Some(Keycode::KpDivide), .. } => { |
| | 87 | if self.lvlgen.wall_smooth_radius > 0 { |
| | 88 | self.lvlgen.wall_smooth_radius -= 1; |
| | 89 | self.world.level = self.lvlgen.generate(); |
| | 90 | } |
| | 91 | } |
| | 92 | _ => {} |
| | 93 | } |
| | 94 | None |
| | 95 | } |
| | 96 | } |
| | 97 | |
| | 98 | ////////// WORLD /////////////////////////////////////////////////////////////// |
| | 99 | |
| | 100 | #[derive(Default)] |
| | 101 | pub struct World { |
| | 102 | level: Level, |
| | 103 | objects: Objects, |
| | 104 | } |
| | 105 | |
| | 106 | impl World { |
| | 107 | pub fn new(level: Level) -> Self { |
| | 108 | World { |
| | 109 | level, |
| | 110 | ..Default::default() |
| | 111 | } |
| | 112 | } |
| | 113 | |
| | 114 | pub fn update(&mut self, dt: Duration) { |
| | 115 | let mut breeding_ground = vec!(); |
| | 116 | |
| | 117 | for i in (0..self.objects.len()).rev() { |
| | 118 | if self.objects[i].update(&mut breeding_ground, &self.level, dt) == Dead { |
| | 119 | self.objects.remove(i); // swap_remove is more efficient, but changes the order of the array |
| | 120 | } |
| | 121 | } |
| | 122 | |
| | 123 | for o in breeding_ground { |
| | 124 | self.add(o); |
| | 125 | } |
| | 126 | |
| | 127 | println!("\x1b[Kobject count: {}\x1b[1A", self.objects.len()); // clear line, print, move cursor up |
| | 128 | } |
| | 129 | |
| | 130 | pub fn render(&mut self, renderer: &mut Renderer, sprites: &SpriteManager, debug_mode: bool) { |
| | 131 | self.level.render(renderer, sprites, debug_mode); |
| | 132 | for o in &mut self.objects { |
| | 133 | o.render(renderer, sprites); |
| | 134 | } |
| | 135 | } |
| | 136 | |
| | 137 | pub fn add(&mut self, object: Box<dyn Object>) { |
| | 138 | self.objects.push(object); |
| | 139 | } |
| | 140 | } |
| | 141 | |
| | 142 | ////////// OBJECT ////////////////////////////////////////////////////////////// |
| | 143 | |
| | 144 | type Objects = Vec<Box<dyn Object>>; |
| | 145 | |
| | 146 | pub trait Object { |
| | 147 | fn update(&mut self, objects: &mut Objects, lvl: &Level, dt: Duration) -> ObjectState; |
| | 148 | fn render(&self, _renderer: &mut Renderer, _sprites: &SpriteManager) {} |
| | 149 | } |
| | 150 | |
| | 151 | #[derive(PartialEq)] |
| | 152 | pub enum ObjectState { Alive, Dead } |
| | 153 | use self::ObjectState::*; |
| | 154 | |
| | 155 | |
| | 156 | pub trait Physical {} |
| | 157 | pub trait Drawable {} |
| | 158 | |
| | 159 | ////////// CHARACTER /////////////////////////////////////////////////////////// |
| | 160 | |
| | 161 | pub struct Character { |
| | 162 | ctrl: Rc<RefCell<Controller>>, |
| | 163 | pos: Point<f64>, |
| | 164 | vel: Point<f64>, |
| | 165 | } |
| | 166 | |
| | 167 | impl Character { |
| | 168 | pub fn new(ctrl: Rc<RefCell<Controller>>) -> Self { |
| | 169 | Character { |
| | 170 | ctrl, |
| | 171 | pos: point!(300.0, 300.0), |
| | 172 | vel: point!(0.0, 0.0), |
| | 173 | } |
| | 174 | } |
| | 175 | } |
| | 176 | |
| | 177 | impl Object for Character { |
| | 178 | fn update(&mut self, objects: &mut Objects, lvl: &Level, dt: Duration) -> ObjectState { |
| | 179 | let ctrl = self.ctrl.borrow(); |
| | 180 | |
| | 181 | let x = (self.pos.x / lvl.grid.scale.width as f64).min(lvl.grid.size.width as f64 - 1.0).max(0.0) as usize; |
| | 182 | let y = (self.pos.y / lvl.grid.scale.height as f64).min(lvl.grid.size.height as f64 - 1.0).max(0.0) as usize; |
| | 183 | self.vel += lvl.gravity; |
| | 184 | if lvl.grid.cells[x][y] { |
| | 185 | if self.vel.y > 0.0 && !(ctrl.mov.down() && ctrl.jump.is_pressed) { |
| | 186 | self.vel.y = 0.0; |
| | 187 | self.vel.x *= 0.9; |
| | 188 | self.pos.y -= 1.0; |
| | 189 | } |
| | 190 | |
| | 191 | if !ctrl.mov.down() { |
| | 192 | if ctrl.jump.is_pressed && !ctrl.jump.was_pressed { |
| | 193 | self.vel.y = -5.0; |
| | 194 | } |
| | 195 | } |
| | 196 | } |
| | 197 | self.pos += self.vel; |
| | 198 | |
| | 199 | if ctrl.shoot.is_pressed { |
| | 200 | use rand::distributions::{Distribution, Normal}; |
| | 201 | let normal = Normal::new(0.0, 0.1); |
| | 202 | let direction = if ctrl.aim.to_point().length() > 0.1 { ctrl.aim.to_point() } else { ctrl.mov.to_point() }; |
| | 203 | for _i in 0..100 { |
| | 204 | objects.push(Box::new(Boll { |
| | 205 | pos: self.pos, |
| | 206 | vel: direction * (10.0 + rand::random::<f64>()) + point!(normal.sample(&mut rand::thread_rng()), normal.sample(&mut rand::thread_rng())) + self.vel, |
| | 207 | bounces: 2, |
| | 208 | })); |
| | 209 | } |
| | 210 | ctrl.rumble(1.0, dt); |
| | 211 | self.vel -= direction * 0.1; |
| | 212 | } |
| | 213 | |
| | 214 | if ctrl.start.is_pressed && !ctrl.start.was_pressed { |
| | 215 | match ctrl.device.power_level() { |
| | 216 | Ok(PowerLevel::Unknown) => { println!("power level unknown"); } |
| | 217 | Ok(PowerLevel::Empty) => { println!("power level empty"); } |
| | 218 | Ok(PowerLevel::Low) => { println!("power level low"); } |
| | 219 | Ok(PowerLevel::Medium) => { println!("power level medium"); } |
| | 220 | Ok(PowerLevel::Full) => { println!("power level full"); } |
| | 221 | Ok(PowerLevel::Wired) => { println!("power level wired"); } |
| | 222 | Err(_) => {} |
| | 223 | }; |
| | 224 | } |
| | 225 | |
| | 226 | match ctrl.mov.x { |
| | 227 | v if v < -0.9 && self.vel.x > -5.0 => { self.vel.x -= 0.5 } |
| | 228 | v if v > 0.9 && self.vel.x < 5.0 => { self.vel.x += 0.5 } |
| | 229 | _ => {} |
| | 230 | } |
| | 231 | |
| | 232 | Alive |
| | 233 | } |
| | 234 | |
| | 235 | fn render(&self, renderer: &mut Renderer, sprites: &SpriteManager) { |
| | 236 | let block = sprites.get("mario"); |
| | 237 | let size = 32; |
| | 238 | 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)); |
| | 239 | |
| | 240 | let ctrl = &self.ctrl.borrow(); |
| | 241 | let l = 300.0; |
| | 242 | let pos = (self.pos.x as i32, self.pos.y as i32); |
| | 243 | // // axis values |
| | 244 | // let p = (self.pos + ctrl.aim.to_axis_point() * l).to_i32().into(); |
| | 245 | // renderer.draw_line(pos, p, (0, 255, 0)); |
| | 246 | // draw_cross(renderer, p); |
| | 247 | // values limited to unit vector |
| | 248 | let p = (self.pos + ctrl.aim.to_point() * l).to_i32().into(); |
| | 249 | renderer.draw_line(pos, p, (255, 0, 0)); |
| | 250 | draw_cross(renderer, p); |
| | 251 | let p = (self.pos + ctrl.mov.to_point() * l).to_i32().into(); |
| | 252 | renderer.draw_line(pos, p, (0, 255, 0)); |
| | 253 | draw_cross(renderer, p); |
| | 254 | // // circle values |
| | 255 | // let p = (self.pos + Point::from(ctrl.aim.a) * l).to_i32().into(); |
| | 256 | // renderer.draw_line(pos, p, (0, 0, 255)); |
| | 257 | // draw_cross(renderer, p); |
| | 258 | } |
| | 259 | } |
| | 260 | |
| | 261 | fn draw_cross(renderer: &mut Renderer, p: (i32, i32)) { |
| | 262 | renderer.canvas().draw_line((p.0 - 5, p.1), (p.0 + 5, p.1)).unwrap(); |
| | 263 | renderer.canvas().draw_line((p.0, p.1 - 5), (p.0, p.1 + 5)).unwrap(); |
| | 264 | } |
| | 265 | |
| | 266 | ////////// BOLL //////////////////////////////////////////////////////////////// |
| | 267 | |
| | 268 | pub struct Boll { |
| | 269 | pos: Point<f64>, |
| | 270 | vel: Point<f64>, |
| | 271 | bounces: u8, |
| | 272 | } |
| | 273 | |
| | 274 | impl Object for Boll { |
| | 275 | fn update(&mut self, objects: &mut Objects, lvl: &Level, _dt: Duration) -> ObjectState { |
| | 276 | self.vel += lvl.gravity; |
| | 277 | self.pos += self.vel; |
| | 278 | |
| | 279 | if let Intersection(wall, pos) = lvl.intersect_walls(self.pos - self.vel, self.pos) { |
| | 280 | if self.bounces == 0 { |
| | 281 | return Dead |
| | 282 | } |
| | 283 | self.bounces -= 1; |
| | 284 | let mut a = wall.normal().mirror(self.vel.to_angle()); // TODO interpolera normalen mellan närliggande väggdelar? bollarna studsar väldigt "kantigt" nu |
| | 285 | self.pos = pos; |
| | 286 | self.vel = Point::from(a) * self.vel.length() * 0.35; |
| | 287 | self.pos += self.vel; // TODO det här kan få bollen att åka igenom en närliggande vägg utan att kollisionstestas, men behövs just nu för att inte kollidera med samma vägg bakifrån |
| | 288 | |
| | 289 | // create another boll |
| | 290 | use rand::distributions::{Distribution, Normal}; |
| | 291 | let mut rng = rand::thread_rng(); |
| | 292 | a += Normal::new(0.0, 0.1).sample(&mut rng).radians(); // TODO slumpen kan ge en vinkel som är under tangenten. vinkel-metoder på väggen istället kanske? |
| | 293 | use rand::Rng; |
| | 294 | objects.push(Box::new(Boll { |
| | 295 | vel: Point::from(a) * Normal::new(1.0, 0.25).sample(&mut rng) * self.vel.length() * rng.gen_range(0.25, 1.0), |
| | 296 | ..*self |
| | 297 | })); |
| | 298 | } |
| | 299 | |
| | 300 | Alive |
| | 301 | } |
| | 302 | |
| | 303 | fn render(&self, renderer: &mut Renderer, _sprites: &SpriteManager) { |
| | 304 | let block = _sprites.get("block"); |
| | 305 | let size = 4 + self.bounces * 6; |
| | 306 | 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)); |
| | 307 | // renderer.canvas().set_draw_color((0, self.bounces * 100, 255)); |
| | 308 | // renderer.canvas().draw_point((self.pos.x as i32, self.pos.y as i32)).unwrap(); |
| | 309 | } |
| | 310 | } |
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