64 lines
2.0 KiB
Rust
64 lines
2.0 KiB
Rust
use std::cell::{Cell, RefCell};
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use sdl2::rect::Rect;
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use sdl2::render::{Renderer, Texture};
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use sprite::{Sprite, StaticSprite, AnimatedSprite};
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use game_object::GameObject;
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use component::{Updatable, Renderable};
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pub struct PlayerPhysicsComponent;
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impl Updatable for PlayerPhysicsComponent {
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fn update(&self, _: &GameObject) {
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}
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}
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pub struct PlayerGraphicsComponent<'a> {
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flip_horizontal: Cell<bool>,
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sprite_standing: RefCell<StaticSprite<'a>>,
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sprite_running: RefCell<AnimatedSprite<'a>>,
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sprite_jumping: RefCell<StaticSprite<'a>>
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}
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impl<'a> PlayerGraphicsComponent<'a> {
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pub fn new(texture: &'a Texture) -> PlayerGraphicsComponent<'a> {
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PlayerGraphicsComponent {
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flip_horizontal: Cell::new(false),
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sprite_standing: RefCell::new(StaticSprite::new(&texture, 80, 32)),
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sprite_running: RefCell::new(AnimatedSprite::new(&texture, 96, 32, 3, 10.0)),
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sprite_jumping: RefCell::new(StaticSprite::new(&texture, 160, 32))
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}
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}
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}
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impl<'a> Renderable for PlayerGraphicsComponent<'a> {
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fn render(&self, object: &GameObject, elapsed: f64, renderer: &mut Renderer, destination: &Rect) {
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if !object.on_ground {
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let mut sprite = self.sprite_jumping.borrow_mut();
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sprite.flip_horizontal = self.flip_horizontal.get();
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sprite.render(elapsed, renderer, destination);
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} else if object.dx == 0.0 {
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let mut sprite = self.sprite_standing.borrow_mut();
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sprite.flip_horizontal = self.flip_horizontal.get();
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sprite.render(elapsed, renderer, destination);
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} else {
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let mut sprite = self.sprite_running.borrow_mut();
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if object.dx < 0.0 {
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sprite.flip_horizontal = true;
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self.flip_horizontal.set(true);
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} else if object.dx > 0.0 {
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sprite.flip_horizontal = false;
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self.flip_horizontal.set(false);
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}
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sprite.render(elapsed, renderer, destination);
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};
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}
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}
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