src/sprites.rs

   1 use std::collections::HashMap;
   2
   3 use sdl2::image::LoadTexture;
   4 use sdl2::render::Texture;
   5 use sdl2::render::TextureCreator;
   6 use sdl2::video::WindowContext;
   7
   8 pub struct SpriteManager {
   9     texture_creator: TextureCreator<WindowContext>, // can't make the lifetimes work when this is owned instead of borrowed
  10     textures: HashMap<String, Texture>,
  11 }
  12
  13 impl SpriteManager {
  14     pub fn new(texture_creator: TextureCreator<WindowContext>) -> SpriteManager {
  15         SpriteManager {
  16             texture_creator,
  17             textures: HashMap::new(),
  18         }
  19     }
  20
  21     pub fn load(&mut self, name: &str, file: &str) {
  22         self.textures.insert(
  23             name.to_string(),
  24             self.texture_creator.load_texture(file).unwrap(),
  25         );
  26     }
  27
  28     pub fn get(&self, name: &str) -> &Texture {
  29         self.textures
  30             .get(name)
  31             .unwrap_or_else(|| panic!("The sprite '{}' was not found", name))
  32     }
  33 }