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Even more cleanup.

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This commit is contained in:
Nolan Darilek 2021-07-27 20:26:16 -05:00
parent d28dd051e4
commit 7f61eb3a90
1 changed files with 15 additions and 17 deletions
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32
src/pathfinding.rs
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@ -226,31 +226,28 @@ fn calculate_path(
} }
} }
fn poll_tasks( fn poll_tasks(mut commands: Commands, mut query: Query<(Entity, &mut Calculating)>) {
mut commands: Commands,
mut query: Query<(Entity, &mut Calculating)>,
destinations: Query<&Destination>,
) {
for (entity, mut calculating) in query.iter_mut() { for (entity, mut calculating) in query.iter_mut() {
println!("Got a calculating task for {:?}", entity); println!("Got a calculating task for {:?}", entity);
if destinations.get(entity).is_ok() { if let Some(result) = future::block_on(future::poll_once(&mut **calculating)) {
if let Some(result) = future::block_on(future::poll_once(&mut **calculating)) { println!("Got a result, setting and returning");
println!("Got a result, setting and returning"); if let Some(path) = result {
if let Some(path) = result { commands.entity(entity).insert(path);
commands.entity(entity).insert(path); } else {
} else { commands.entity(entity).insert(NoPath);
commands.entity(entity).insert(NoPath);
}
println!("Removing calculation task");
commands.entity(entity).remove::<Calculating>();
} }
} else { println!("Removing calculation task");
println!("Destination was removed, clearing task");
commands.entity(entity).remove::<Calculating>(); commands.entity(entity).remove::<Calculating>();
} }
} }
} }
fn remove_destination(mut commands: Commands, removed: RemovedComponents<Destination>) {
for entity in removed.iter() {
commands.entity(entity).remove::<Calculating>();
}
}
fn negotiate_path( fn negotiate_path(
mut commands: Commands, mut commands: Commands,
mut query: Query<( mut query: Query<(
@ -336,6 +333,7 @@ pub struct PathfindingPlugin;
impl Plugin for PathfindingPlugin { impl Plugin for PathfindingPlugin {
fn build(&self, app: &mut AppBuilder) { fn build(&self, app: &mut AppBuilder) {
app.add_system(calculate_path.system()) app.add_system(calculate_path.system())
.add_system_to_stage(CoreStage::PostUpdate, remove_destination.system())
.add_system(poll_tasks.system()) .add_system(poll_tasks.system())
.add_system(negotiate_path.system()) .add_system(negotiate_path.system())
.add_system_to_stage(CoreStage::PostUpdate, remove_calculating.system()); .add_system_to_stage(CoreStage::PostUpdate, remove_calculating.system());