forked from astro/affection-rs
80 lines
1.7 KiB
Rust
80 lines
1.7 KiB
Rust
pub mod graphics;
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pub use graphics::{Graphics, Event};
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pub struct Config {
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window_title: String,
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window_size: (u32, u32),
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}
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impl Default for Config {
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fn default() -> Self {
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Config {
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window_title: "Affection".to_owned(),
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window_size: (800, 600),
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}
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}
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}
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pub trait Callbacks {
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fn load_state() -> Self;
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fn pre_loop(&mut self) {
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}
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fn handle_event(&mut self, ev: Event);
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fn update(&mut self);
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fn draw(&self, graphics: &mut Graphics);
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fn clean_up(self);
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fn do_next_step(&self) -> bool;
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}
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pub fn run<C: Callbacks>(config: Config) {
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let mut graphics = Graphics::new(&config);
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let mut state = C::load_state();
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state.pre_loop();
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while state.do_next_step() {
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state.update();
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for ev in graphics.get_events() {
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state.handle_event(ev);
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}
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state.draw(&mut graphics);
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}
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state.clean_up();
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}
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#[cfg(test)]
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mod tests {
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use super::{Config, Callbacks, Event, Graphics};
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use crate::run;
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struct TestCallbacks {
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stepper: u32,
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}
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impl Callbacks for TestCallbacks {
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fn load_state() -> Self {
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TestCallbacks{
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stepper: 0,
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}
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}
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//fn preLoop(&mut self){}
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fn handle_event(&mut self, ev: Event){
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}
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fn update(&mut self){
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self.stepper = self.stepper + 1;
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}
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fn draw(&self, graphics: &mut Graphics){
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}
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fn clean_up(self){
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}
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fn do_next_step(&self) -> bool{
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self.stepper < 999999
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}
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}
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#[test]
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fn it_works() {
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let config = Config::default();
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run::<TestCallbacks>(config);
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}
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}
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