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Avoid possible crash.

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This commit is contained in:
Nolan Darilek 2022-03-17 12:39:35 -05:00
parent 0751cf344d
commit f16d160994
1 changed files with 5 additions and 3 deletions
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8
src/visibility.rs
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@ -15,6 +15,7 @@ use shadowcast::{vision_distance, Context, InputGrid};
use crate::{ use crate::{
bevy_rapier2d::prelude::*, bevy_rapier2d::prelude::*,
commands::RunIfExistsExt,
core::{Angle, Coordinates, Player, PointLike}, core::{Angle, Coordinates, Player, PointLike},
log::Log, log::Log,
map::{ITileType, Map, MapConfig}, map::{ITileType, Map, MapConfig},
@ -294,9 +295,10 @@ fn update_viewshed<D: 'static + Clone + Default + Send + Sync>(
position.position.translation.x, position.position.translation.x,
position.position.translation.y, position.position.translation.y,
); );
commands let coordinates_i32 = coordinates.i32();
.entity(entity) commands.run_if_exists(entity, move |mut entity| {
.insert(LastCoordinates(coordinates.i32())); entity.insert(LastCoordinates(coordinates_i32));
});
if viewers.get_mut(entity).is_ok() { if viewers.get_mut(entity).is_ok() {
if let Some(last_coordinates) = last_coordinates { if let Some(last_coordinates) = last_coordinates {
if **last_coordinates != coordinates.i32() { if **last_coordinates != coordinates.i32() {