58 lines
1.5 KiB
Rust
58 lines
1.5 KiB
Rust
use crate::app_builder::AppBuilder;
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use bevy_ecs::{ParallelExecutor, Resources, Schedule, World};
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pub struct App {
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pub world: World,
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pub resources: Resources,
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pub runner: Box<dyn Fn(App)>,
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pub schedule: Schedule,
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pub executor: ParallelExecutor,
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pub startup_schedule: Schedule,
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pub startup_executor: ParallelExecutor,
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}
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impl Default for App {
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fn default() -> Self {
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Self {
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world: Default::default(),
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resources: Default::default(),
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schedule: Default::default(),
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executor: Default::default(),
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startup_schedule: Default::default(),
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startup_executor: ParallelExecutor::without_tracker_clears(),
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runner: Box::new(run_once),
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}
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}
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}
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fn run_once(mut app: App) {
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app.update();
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}
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impl App {
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pub fn build() -> AppBuilder {
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AppBuilder::default()
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}
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pub fn update(&mut self) {
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self.schedule.initialize(&mut self.resources);
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self.executor
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.run(&mut self.schedule, &mut self.world, &mut self.resources);
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}
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pub fn run(mut self) {
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self.startup_schedule.initialize(&mut self.resources);
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self.startup_executor.run(
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&mut self.startup_schedule,
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&mut self.world,
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&mut self.resources,
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);
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let runner = std::mem::replace(&mut self.runner, Box::new(run_once));
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(runner)(self);
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}
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}
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/// An event that indicates the app should exit. This will fully exit the app process.
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pub struct AppExit;
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