74 lines
2.1 KiB
Rust
74 lines
2.1 KiB
Rust
use super::{App, AppBuilder, AppPlugin};
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use crate::{AppExit, Events, EventReader};
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use std::{thread, time::Duration};
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#[derive(Copy, Clone, Debug)]
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pub enum RunMode {
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Loop { wait: Option<Duration> },
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Once,
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}
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impl Default for RunMode {
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fn default() -> Self {
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RunMode::Loop { wait: None }
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}
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}
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#[derive(Default)]
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pub struct ScheduleRunnerPlugin {
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pub run_mode: RunMode,
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}
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impl ScheduleRunnerPlugin {
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pub fn run_once() -> Self {
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ScheduleRunnerPlugin {
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run_mode: RunMode::Once,
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}
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}
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pub fn run_loop(wait_duration: Duration) -> Self {
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ScheduleRunnerPlugin {
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run_mode: RunMode::Loop {
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wait: Some(wait_duration),
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},
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}
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}
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}
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impl AppPlugin for ScheduleRunnerPlugin {
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fn build(&self, app: &mut AppBuilder) {
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let run_mode = self.run_mode;
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app.set_runner(move |mut app: App| {
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let mut app_exit_event_reader = EventReader::<AppExit>::default();
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match run_mode {
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RunMode::Once => {
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if let Some(ref mut schedule) = app.schedule {
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schedule.execute(&mut app.world, &mut app.resources);
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}
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}
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RunMode::Loop { wait } => loop {
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if let Some(app_exit_events) = app.resources.get_mut::<Events<AppExit>>() {
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if app_exit_event_reader.latest(&app_exit_events).is_some() {
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break;
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}
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}
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if let Some(ref mut schedule) = app.schedule {
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schedule.execute(&mut app.world, &mut app.resources);
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}
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if let Some(app_exit_events) = app.resources.get_mut::<Events<AppExit>>() {
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if app_exit_event_reader.latest(&app_exit_events).is_some() {
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break;
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}
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}
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if let Some(wait) = wait {
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thread::sleep(wait);
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}
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},
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}
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});
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}
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}
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