Toggle debug mode with keypad enter

[kaka/rust-sdl-test.git] / src / core / game.rs

diff --git a/src/core/game.rs b/src/core/game.rs
index 3e424fd..9d51e18 100644 (file)
--- a/src/core/game.rs
+++ b/src/core/game.rs
@@ -1,10 +1,10 @@
-use ActiveState;
+use teststate::TestState;
 use AppState;
-use common::{Point, Radians};
+use common::{Point, ToAngle};
 use core::app::StateChange;
 use core::controller::Controller;
 use core::controller::ControllerManager;
-use core::level::{Level, LevelGenerator};
+use core::level::{Level, LevelGenerator, Wall, IntersectResult::Intersection};
 use core::render::Renderer;
 use point;
 use sdl2::event::Event;
@@ -22,6 +22,7 @@ use time::Duration;
 pub struct GameState {
     world: World,
     lvlgen: LevelGenerator,
+    debug_mode: bool,
 }
 
 impl GameState {
@@ -30,6 +31,7 @@ impl GameState {
        GameState {
            world: World::new(lvlgen.generate()),
            lvlgen,
+           ..Default::default()
        }
     }
 }
@@ -49,7 +51,7 @@ impl AppState for GameState {
     }
 
     fn render(&mut self, renderer: &mut Renderer, sprites: &SpriteManager) {
-       self.world.render(renderer, sprites);
+       self.world.render(renderer, sprites, self.debug_mode);
     }
 
     fn handle_event(&mut self, event: Event) -> Option<StateChange> {
@@ -58,8 +60,11 @@ impl AppState for GameState {
                return Some(StateChange::Pop)
             }
            Event::KeyDown { keycode: Some(Keycode::Return), .. } => {
-               return Some(StateChange::Push(Box::new(ActiveState::new((800, 600)))))
+               return Some(StateChange::Push(Box::new(TestState::new())))
             }
+           Event::KeyDown { keycode: Some(Keycode::KpEnter), .. } => {
+               self.debug_mode = !self.debug_mode;
+           }
            Event::KeyDown { keycode: Some(Keycode::Space), .. } => {
                self.lvlgen.seed = std::time::UNIX_EPOCH.elapsed().unwrap().as_secs() as u32;
                self.world.level = self.lvlgen.generate();
@@ -122,8 +127,8 @@ impl World {
        println!("\x1b[Kobject count: {}\x1b[1A", self.objects.len()); // clear line, print, move cursor up
     }
 
-    pub fn render(&mut self, renderer: &mut Renderer, sprites: &SpriteManager) {
-       self.level.render(renderer, sprites);
+    pub fn render(&mut self, renderer: &mut Renderer, sprites: &SpriteManager, debug_mode: bool) {
+       self.level.render(renderer, sprites, debug_mode);
        for o in &mut self.objects {
            o.render(renderer, sprites);
        }
@@ -173,8 +178,8 @@ impl Object for Character {
     fn update(&mut self, objects: &mut Objects, lvl: &Level, dt: Duration) -> ObjectState {
        let ctrl = self.ctrl.borrow();
 
-       let x = (self.pos.x / lvl.grid.cell_size as f64).min(lvl.grid.width as f64 - 1.0).max(0.0) as usize;
-       let y = (self.pos.y / lvl.grid.cell_size as f64).min(lvl.grid.height as f64 - 1.0).max(0.0) as usize;
+       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;
+       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;
        self.vel += lvl.gravity;
        if lvl.grid.cells[x][y] {
            if self.vel.y > 0.0 && !(ctrl.mov.down() && ctrl.jump.is_pressed) {
@@ -271,20 +276,23 @@ impl Object for Boll {
        self.vel += lvl.gravity;
        self.pos += self.vel;
 
-       let x = (self.pos.x / lvl.grid.cell_size as f64).min(lvl.grid.width as f64 - 1.0).max(0.0) as usize;
-       let y = (self.pos.y / lvl.grid.cell_size as f64).min(lvl.grid.height as f64 - 1.0).max(0.0) as usize;
-       if lvl.grid.cells[x][y] {
+       if let Intersection(wall, pos) = lvl.intersect_walls(self.pos - self.vel, self.pos) {
            if self.bounces == 0 {
                return Dead
            }
-           self.vel *= -0.25;
-           self.pos += self.vel;
            self.bounces -= 1;
+           let mut a = wall.normal().mirror(self.vel.to_angle()); // TODO interpolera normalen mellan närliggande väggdelar? bollarna studsar väldigt "kantigt" nu
+           self.pos = pos;
+           self.vel = Point::from(a) * self.vel.length() * 0.35;
+           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
+
+           // create another boll
            use rand::distributions::{Distribution, Normal};
            let mut rng = rand::thread_rng();
-           let a = Radians(self.vel.to_radians().0 + Normal::new(0.0, 0.75).sample(&mut rng));
+           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?
+           use rand::Rng;
            objects.push(Box::new(Boll {
-               vel: Point::from(a) * Normal::new(1.0, 0.25).sample(&mut rng) * self.vel.length(),
+               vel: Point::from(a) * Normal::new(1.0, 0.25).sample(&mut rng) * self.vel.length() * rng.gen_range(0.25, 1.0),
                ..*self
            }));
        }