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Pathfinding optimizations.

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This commit is contained in:
Nolan Darilek 2021-07-21 15:20:02 -05:00
parent e6af8f7618
commit fee446cb7d
1 changed files with 36 additions and 24 deletions
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60
src/pathfinding.rs
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@ -176,7 +176,7 @@ fn find_path_for_shape(
} else {
None
})
.expect("Channel should exist");
.ok();
})
.detach();
}
@ -188,10 +188,7 @@ fn calculate_path(
obstructions: Query<&MapObstruction>,
collider_query: QueryPipelineColliderComponentsQuery,
mut calculating: Local<HashMap<Entity, Receiver<Option<Path>>>>,
query: Query<
(Entity, &Destination, &Coordinates, &ColliderShape),
Or<(Without<Path>, Changed<Destination>)>,
>,
query: Query<(Entity, &Destination, &Coordinates, &ColliderShape), Changed<Destination>>,
destinations: Query<&Destination>,
map: Query<&Map>,
) {
@ -211,23 +208,29 @@ fn calculate_path(
}
}
for (entity, destination, coordinates, shape) in query.iter() {
if let std::collections::hash_map::Entry::Vacant(e) = calculating.entry(entity) {
let (tx, rx) = unbounded();
e.insert(rx);
for map in map.iter() {
find_path_for_shape(
&*pool,
query_pipeline.clone(),
entity,
coordinates,
destination,
&map,
&collider_query,
&obstructions,
shape,
&tx,
);
}
if calculating.contains_key(&entity) {
continue;
}
if coordinates.i32() == **destination {
commands.entity(entity).remove::<Path>();
commands.entity(entity).remove::<Destination>();
continue;
}
let (tx, rx) = unbounded();
calculating.insert(entity, rx);
for map in map.iter() {
find_path_for_shape(
&*pool,
query_pipeline.clone(),
entity,
coordinates,
destination,
&map,
&collider_query,
&obstructions,
shape,
&tx,
);
}
}
}
@ -257,8 +260,17 @@ fn negotiate_path(
new_path = vec![start_i32];
new_path.append(&mut upcoming.to_vec());
} else {
commands.entity(entity).remove::<Path>();
velocity.linvel = Vec2::ZERO.into();
let start = Vec2::new(
position.position.translation.x,
position.position.translation.y,
);
let next = path[1];
let next = Vec2::new(next.0 as f32 + 0.5, next.1 as f32 + 0.5);
let mut direction = next - start;
direction = direction.normalize();
direction *= **speed;
velocity.linvel = direction.into();
continue;
}
} else {
commands.entity(entity).remove::<Path>();