Various visibility fixes.

Cargo.toml

@@ -20,7 +20,7 @@ bevy_synthizer = "0.7"
 bevy_tts = { version = "0.9", default-features = false, features = ["tolk"] }
 coord_2d = "0.3"
 here_be_dragons = { version = "0.3", features = ["serde"] }
-leafwing-input-manager = "0.14"
+leafwing-input-manager = "0.15"
 maze_generator = "2"
 once_cell = "1"
 pathfinding = "4"

src/exploration.rs

@@ -9,6 +9,7 @@ use crate::{
     core::{Player, PointLike},
     error::error_handler,
     map::Map,
+    navigation::NavigationAction,
     pathfinding::Destination,
     visibility::{RevealedTiles, Viewshed, Visible, VisibleEntities},
 };
@@ -354,6 +355,25 @@ where
     Ok(())
 }
 
+fn cancel_on_navigate(
+    mut commands: Commands,
+    explorers: Query<
+        Entity,
+        (
+            With<ActionState<ExplorationAction>>,
+            Changed<ActionState<NavigationAction>>,
+        ),
+    >,
+    focused: Query<Entity, With<ExplorationFocused>>,
+) {
+    if !explorers.is_empty() {
+        for entity in &focused {
+            println!("Clearing focus");
+            commands.entity(entity).remove::<ExplorationFocused>();
+        }
+    }
+}
+
 fn cleanup(
     mut commands: Commands,
     explorers: Query<Entity, With<Exploring>>,
@@ -398,7 +418,7 @@ where
             .register_type::<Explorable>()
             .add_plugins(InputManagerPlugin::<ExplorationAction>::default())
             .add_systems(
-                Update,
+                FixedUpdate,
                 (
                     exploration_type_change::<ExplorationType>.pipe(error_handler),
                     exploration_type_changed_announcement::<ExplorationType>.pipe(error_handler),
@@ -407,7 +427,7 @@ where
                     .in_set(Exploration),
             )
             .add_systems(
-                Update,
+                FixedUpdate,
                 (
                     exploration_focus::<MapData>,
                     exploration_type_focus::<ExplorationType>.pipe(error_handler),
@@ -417,11 +437,14 @@ where
                     .chain()
                     .in_set(Exploration),
             )
-            .add_systems(Update, navigate_to_explored::<MapData>.in_set(Exploration));
+            .add_systems(
+                FixedUpdate,
+                (navigate_to_explored::<MapData>, cancel_on_navigate).in_set(Exploration),
+            );
         if !config.states.is_empty() {
             let states = config.states;
             for state in states {
-                app.configure_sets(Update, Exploration.run_if(in_state(state.clone())))
+                app.configure_sets(FixedUpdate, Exploration.run_if(in_state(state.clone())))
                     .add_systems(OnExit(state), cleanup);
             }
         }

src/navigation.rs

@@ -3,17 +3,16 @@ use std::{collections::HashMap, error::Error, f32::consts::PI, fmt::Debug, hash:
 use bevy::prelude::*;
 use bevy_rapier2d::prelude::*;
 use bevy_tts::Tts;
-use leafwing_input_manager::{axislike::DualAxisData, prelude::*};
+use leafwing_input_manager::prelude::*;
 
 use crate::{
     core::{Angle, Area, CardinalDirection, GlobalTransformExt, Player, TransformExt},
     error::error_handler,
-    exploration::{ExplorationFocused, Exploring},
     log::Log,
     utils::target_and_other,
 };
 
-#[derive(Actionlike, PartialEq, Eq, Clone, Copy, Hash, Debug, Reflect)]
+#[derive(PartialEq, Eq, Clone, Copy, Hash, Debug, Reflect)]
 pub enum NavigationAction {
     Move,
     Translate,
@@ -26,6 +25,23 @@ pub enum NavigationAction {
     SnapReverse,
 }
 
+impl Actionlike for NavigationAction {
+    fn input_control_kind(&self) -> InputControlKind {
+        match &self {
+            NavigationAction::Move
+            | NavigationAction::Translate
+            | NavigationAction::SetLinearVelocity => InputControlKind::DualAxis,
+            NavigationAction::Rotate | NavigationAction::SetAngularVelocity => {
+                InputControlKind::Axis
+            }
+            NavigationAction::SnapLeft
+            | NavigationAction::SnapRight
+            | NavigationAction::SnapCardinal
+            | NavigationAction::SnapReverse => InputControlKind::Button,
+        }
+    }
+}
+
 #[derive(Component, Clone, Copy, Debug, Deref, DerefMut, Reflect)]
 #[reflect(Component)]
 pub struct BackwardMovementFactor(pub f32);
@@ -135,7 +151,6 @@ fn tick_snap_timers(time: Res<Time>, mut snap_timers: ResMut<SnapTimers>) {
 }
 
 fn controls(
-    mut commands: Commands,
     rapier_context: Res<RapierContext>,
     time: Res<Time>,
     snap_timers: Res<SnapTimers>,
@@ -151,7 +166,6 @@ fn controls(
         &mut Transform,
         &Collider,
     )>,
-    exploration_focused: Query<Entity, With<ExplorationFocused>>,
 ) {
     for (
         entity,
@@ -166,131 +180,76 @@ fn controls(
         collider,
     ) in &mut query
     {
-        let mut cleanup = false;
+        if !actions.action_disabled(&NavigationAction::Move) {
-        if actions.pressed(&NavigationAction::Move) {
+            let mut direction = actions.clamped_axis_pair(&NavigationAction::Move);
-            if let Some(pair) = actions.clamped_axis_pair(&NavigationAction::Move) {
+            let forward_movement_factor =
-                cleanup = true;
+                forward_movement_factor.map(|v| v.0).unwrap_or_else(|| 1.);
-                let mut direction = pair.xy();
+            let backward_movement_factor =
-                let forward_movement_factor =
+                backward_movement_factor.map(|v| v.0).unwrap_or_else(|| 1.);
-                    forward_movement_factor.map(|v| v.0).unwrap_or_else(|| 1.);
+            let strafe_movement_factor = strafe_movement_factor.map(|v| v.0).unwrap_or_else(|| 1.);
-                let backward_movement_factor =
+            let forward_backward_movement_factor = if direction.x > 0. {
-                    backward_movement_factor.map(|v| v.0).unwrap_or_else(|| 1.);
+                forward_movement_factor
-                let strafe_movement_factor =
+            } else if direction.x < 0. {
-                    strafe_movement_factor.map(|v| v.0).unwrap_or_else(|| 1.);
+                backward_movement_factor
-                let forward_backward_movement_factor = if direction.x > 0. {
-                    forward_movement_factor
-                } else if direction.x < 0. {
-                    backward_movement_factor
-                } else {
-                    1.
-                };
-                let movement_factor = if direction.x != 0. && direction.y != 0. {
-                    strafe_movement_factor.min(forward_backward_movement_factor)
-                } else if direction.y != 0. {
-                    strafe_movement_factor
-                } else {
-                    forward_backward_movement_factor
-                };
-                trace!("{entity:?}: move: {direction:?}");
-                direction = transform
-                    .compute_matrix()
-                    .transform_vector3(direction.extend(0.))
-                    .truncate();
-                let mut speed = **speed;
-                speed *= movement_factor;
-                let velocity = direction * speed;
-                // println!("{entity:?}: SetLinearVelocity: {velocity:?}");
-                actions.press(&NavigationAction::SetLinearVelocity);
-                actions
-                    .action_data_mut_or_default(&NavigationAction::SetLinearVelocity)
-                    .axis_pair = Some(DualAxisData::from_xy(velocity));
-            }
-        } else if actions.just_released(&NavigationAction::Move) {
-            trace!("{entity:?}: Stopped moving");
-            actions.release(&NavigationAction::SetLinearVelocity);
-            actions.release(&NavigationAction::Translate);
-            actions
-                .action_data_mut_or_default(&NavigationAction::Move)
-                .axis_pair = Some(DualAxisData::from_xy(Vec2::ZERO));
-        }
-        if actions.pressed(&NavigationAction::SetLinearVelocity) {
-            if let Some(pair) = actions.axis_pair(&NavigationAction::SetLinearVelocity) {
-                // println!("{entity:?}: SetLinearVelocity: {pair:?}");
-                velocity.linvel = pair.into();
             } else {
-                // println!("{entity:?}: SetLinearVelocity: 0");
+                1.
-                velocity.linvel = Vec2::ZERO;
+            };
-            }
+            let movement_factor = if direction.x != 0. && direction.y != 0. {
-        } else if actions.just_released(&NavigationAction::SetLinearVelocity) {
+                strafe_movement_factor.min(forward_backward_movement_factor)
-            // println!("{entity:?}: Released velocity");
+            } else if direction.y != 0. {
-            velocity.linvel = Vec2::ZERO;
+                strafe_movement_factor
-            actions
+            } else {
-                .action_data_mut_or_default(&NavigationAction::SetLinearVelocity)
+                forward_backward_movement_factor
-                .axis_pair = None;
+            };
+            trace!("{entity:?}: move: {direction:?}");
+            direction = transform
+                .compute_matrix()
+                .transform_vector3(direction.extend(0.))
+                .truncate();
+            let mut speed = **speed;
+            speed *= movement_factor;
+            let move_velocity = direction * speed;
+            // println!("{entity:?}: SetLinearVelocity: {velocity:?}");
+            actions.set_axis_pair(&NavigationAction::SetLinearVelocity, move_velocity);
         }
-        if actions.pressed(&NavigationAction::Translate) {
+        if velocity.linvel != actions.axis_pair(&NavigationAction::SetLinearVelocity) {
-            if let Some(pair) = actions.axis_pair(&NavigationAction::Translate) {
+            velocity.linvel = actions.axis_pair(&NavigationAction::SetLinearVelocity);
-                let vel = pair.xy();
+        }
-                if rapier_context
+        if actions.axis_pair(&NavigationAction::Translate) != Vec2::ZERO {
-                    .cast_shape(
+            let pair = actions.axis_pair(&NavigationAction::Translate);
-                        transform.translation.truncate(),
+            if rapier_context
-                        transform.yaw().radians(),
+                .cast_shape(
-                        vel,
+                    transform.translation.truncate(),
-                        collider,
+                    transform.yaw().radians(),
-                        ShapeCastOptions {
+                    pair,
-                            max_time_of_impact: 1.,
+                    collider,
-                            ..default()
+                    ShapeCastOptions {
-                        },
+                        max_time_of_impact: 1.,
-                        QueryFilter::new()
+                        ..default()
-                            .exclude_sensors()
+                    },
-                            .exclude_collider(entity),
+                    QueryFilter::new()
-                    )
+                        .exclude_sensors()
-                    .is_none()
+                        .exclude_collider(entity),
-                {
+                )
-                    transform.translation += vel.extend(0.);
+                .is_none()
-                }
+            {
+                transform.translation += pair.extend(0.);
             }
-        } else if actions.just_released(&NavigationAction::Translate) {
+            actions.set_axis_pair(&NavigationAction::Translate, Vec2::ZERO);
-            actions
-                .action_data_mut_or_default(&NavigationAction::Translate)
-                .axis_pair = None;
         }
         if !snap_timers.contains_key(&entity) {
             if let Some(rotation_speed) = rotation_speed {
-                if actions.pressed(&NavigationAction::Rotate) {
+                let delta =
-                    cleanup = true;
+                    -rotation_speed.radians() * actions.clamped_value(&NavigationAction::Rotate);
-                    let delta = -rotation_speed.radians()
+                actions.set_value(&NavigationAction::SetAngularVelocity, delta);
-                        * actions.clamped_value(&NavigationAction::Rotate);
-                    actions.press(&NavigationAction::SetAngularVelocity);
-                    actions
-                        .action_data_mut_or_default(&NavigationAction::SetAngularVelocity)
-                        .value = delta;
-                }
             }
         }
-        if actions.just_released(&NavigationAction::Rotate) {
+        if actions.value(&NavigationAction::SetAngularVelocity) != 0. {
-            actions.release(&NavigationAction::SetAngularVelocity);
-            actions
-                .action_data_mut_or_default(&NavigationAction::Rotate)
-                .value = 0.;
-        }
-        if actions.pressed(&NavigationAction::SetAngularVelocity) {
             // velocity.angvel =
             // actions.value(&NavigationAction::SetAngularVelocity);
             transform.rotation *= Quat::from_rotation_z(
                 actions.value(&NavigationAction::SetAngularVelocity) * time.delta_seconds(),
             );
-        } else if actions.just_released(&NavigationAction::SetAngularVelocity) {
-            actions
-                .action_data_mut_or_default(&NavigationAction::SetAngularVelocity)
-                .value = 0.;
-            velocity.angvel = 0.;
-        }
-        if cleanup {
-            commands.entity(entity).remove::<Exploring>();
-            for entity in &exploration_focused {
-                commands.entity(entity).remove::<ExplorationFocused>();
-            }
         }
     }
 }
@@ -436,12 +395,17 @@ where
                     .in_set(Movement),
             )
             .add_systems(
-                Update,
+                FixedUpdate,
                 (tick_snap_timers, speak_direction.pipe(error_handler)),
             )
             .add_systems(
                 PostUpdate,
                 (remove_direction, log_area_descriptions::<State>),
             );
+        if !self.states.is_empty() {
+            for state in &self.states {
+                app.configure_sets(Update, Movement.run_if(in_state(state.clone())));
+            }
+        }
     }
 }

src/pathfinding.rs

@@ -1,5 +1,4 @@
 use bevy::{
-    ecs::entity::Entities,
     prelude::*,
     tasks::{futures_lite::future, prelude::*, Task},
     utils::HashMap,
@@ -9,7 +8,7 @@ use bevy_rapier2d::{
     prelude::*,
     rapier::prelude::{ColliderHandle, ColliderSet, QueryPipeline, RigidBodySet},
 };
-use leafwing_input_manager::{axislike::DualAxisData, plugin::InputManagerSystem, prelude::*};
+use leafwing_input_manager::{plugin::InputManagerSystem, prelude::*};
 use pathfinding::prelude::*;
 
 use crate::{
@@ -21,7 +20,11 @@ use crate::{
 #[derive(PartialEq, Eq, Clone, Copy, Hash, Debug, Reflect)]
 pub struct NegotiatePathAction;
 
-impl Actionlike for NegotiatePathAction {}
+impl Actionlike for NegotiatePathAction {
+    fn input_control_kind(&self) -> InputControlKind {
+        InputControlKind::DualAxis
+    }
+}
 
 #[derive(Component, Debug, Deref, DerefMut)]
 struct Calculating(Task<Option<Path>>);
@@ -45,6 +48,17 @@ pub struct Path(pub Vec<(i32, i32)>);
 #[reflect(Component)]
 pub struct CostMap(pub HashMap<(i32, i32), f32>);
 
+#[derive(Bundle, Deref, DerefMut)]
+pub struct PathfindingControlsBundle(pub ActionState<NegotiatePathAction>);
+
+impl Default for PathfindingControlsBundle {
+    fn default() -> Self {
+        let mut input: ActionState<NegotiatePathAction> = Default::default();
+        input.disable();
+        Self(input)
+    }
+}
+
 pub fn find_path<D: 'static + Clone + Default + Send + Sync>(
     start: &dyn PointLike,
     destination: &dyn PointLike,
@@ -161,7 +175,11 @@ fn calculate_path(
     >,
 ) {
     for (entity, handle, destination, coordinates, shape, cost_map) in &query {
+        trace
+!("{entity}: destination: {destination:?}");
         if coordinates.i32() == **destination {
+            trace
+!("{entity}: remove1");
             commands
                 .entity(entity)
                 .remove::<Path>()
@@ -211,6 +229,8 @@ fn calculate_path(
                 shape_clone,
             )
         });
+        trace
+!("{entity}: remove2");
         commands
             .entity(entity)
             .insert(Calculating(task))
@@ -221,34 +241,45 @@ fn calculate_path(
 
 fn poll_tasks(
     mut commands: Commands,
-    mut query: Query<(Entity, &mut Calculating, &Transform, &Destination)>,
+    mut query: Query<(
+        Entity,
+        &mut Calculating,
+        &Transform,
+        &Destination,
+        Option<&mut ActionState<NegotiatePathAction>>,
+    )>,
 ) {
-    for (entity, mut calculating, transform, destination) in &mut query {
+    for (entity, mut calculating, transform, destination, actions) in &mut query {
         if let Some(result) = future::block_on(future::poll_once(&mut **calculating)) {
             if let Some(path) = result {
                 trace!("{entity:?}: Path: {path:?}");
                 commands.entity(entity).insert(path);
             } else {
-                trace!(
+                trace
+!(
                     "{entity:?}: path: no path from {:?} to {:?}",
                     transform.translation.truncate().i32(),
                     **destination
                 );
                 commands.entity(entity).insert(NoPath);
+                if let Some(mut actions) = actions {
+                    trace!("{entity:?}: Disabling and resetting because no path");
+                    actions.disable();
+                    actions.reset_all();
+                }
             }
             commands.entity(entity).remove::<Calculating>();
         }
     }
 }
 
-fn remove_destination(
+fn remove_destination(mut commands: Commands, mut removed: RemovedComponents<Destination>) {
-    mut commands: Commands,
-    entities: &Entities,
-    mut removed: RemovedComponents<Destination>,
-) {
     for entity in removed.read() {
-        if entities.contains(entity) {
+        if let Some(mut commands) = commands.get_entity(entity) {
-            commands.entity(entity).remove::<Calculating>();
+            commands
+                .remove::<Calculating>()
+                .remove::<Path>()
+                .remove::<NoPath>();
         }
     }
 }
@@ -259,6 +290,7 @@ fn negotiate_path(
     physics_config: Res<RapierConfiguration>,
     mut query: Query<(
         Entity,
+        Option<&mut ActionState<NegotiatePathAction>>,
         &mut ActionState<NavigationAction>,
         &mut Path,
         &mut Transform,
@@ -271,9 +303,18 @@ fn negotiate_path(
     if !physics_config.physics_pipeline_active || !physics_config.query_pipeline_active {
         return;
     }
-    for (entity, mut actions, mut path, mut transform, collider, speed, rotation_speed) in
+    for (
-        &mut query
+        entity,
+        actions,
+        mut navigation_actions,
+        mut path,
+        mut transform,
+        collider,
+        speed,
+        rotation_speed,
+    ) in &mut query
     {
+        trace!("{entity:?}: negotiating path");
         let start_i32 = transform.translation.truncate().i32();
         trace!(
             "{entity:?}: start pathfinding from {start_i32:?} to {:?}: at {:?}",
@@ -285,7 +326,6 @@ fn negotiate_path(
             path.remove(0);
         }
         if let Some(next) = path.first() {
-            trace!("{entity:?}: path: moving from {start_i32:?} to {next:?}");
             let start = transform.translation.truncate();
             let mut next = Vec2::new(next.0 as f32, next.1 as f32);
             if next.x >= 0. {
@@ -322,22 +362,27 @@ fn negotiate_path(
                 )
                 .is_some()
             {
-                // trace!("{entity:?} is stuck, hit: {hit:?}, TOI: {toi:?}");
+                trace
+!("{entity:?} is stuck");
                 // TODO: Remove when we have an actual character controller.
+                next.x = next.x.trunc();
+                next.y = next.y.trunc();
                 transform.translation = next.extend(0.);
-                continue;
+            } else {
+                navigation_actions.set_axis_pair(&NavigationAction::Translate, direction);
             }
-            trace!("{entity:?}: path: direction: {direction:?}");
-            actions.press(&NavigationAction::Translate);
-            actions
-                .action_data_mut_or_default(&NavigationAction::Translate)
-                .axis_pair = Some(DualAxisData::from_xy(direction));
             if rotation_speed.is_some() {
                 let angle = direction.y.atan2(direction.x);
                 transform.rotation = Quat::from_rotation_z(angle);
             }
         } else {
-            trace!("{entity:?}: empty path, cleaning");
+            trace
+!("{entity:?}: empty path, cleaning");
+            if let Some(mut actions) = actions {
+                trace!("{entity:?}: Disabling pathfind because at destination");
+                actions.reset_all();
+                actions.disable();
+            }
             commands
                 .entity(entity)
                 .remove::<Path>()
@@ -352,46 +397,35 @@ fn actions(
     mut commands: Commands,
     mut query: Query<(
         Entity,
-        &mut ActionState<NegotiatePathAction>,
+        &ActionState<NegotiatePathAction>,
         &mut ActionState<NavigationAction>,
         Option<&mut Destination>,
     )>,
 ) {
-    for (entity, mut actions, mut navigation_action, destination) in &mut query {
+    for (entity, actions, mut navigation_action, destination) in &mut query {
-        if actions.pressed(&NegotiatePathAction) {
+        if actions.action_disabled(&NegotiatePathAction) {
-            if let Some(pair) = actions.axis_pair(&NegotiatePathAction) {
+            if destination.is_some() {
-                trace!("{entity:?}: Negotiating path to {pair:?}");
+                commands.entity(entity).remove::<Destination>();
-                let dest = Destination(pair.xy().i32());
+            }
-                if let Some(mut current_dest) = destination {
+        } else {
-                    trace!("Got a destination");
+            let pair = actions.axis_pair(&NegotiatePathAction);
-                    if *current_dest != dest {
+            trace!("{entity:?}: Negotiating path to {pair:?}");
-                        trace!("{entity:?}: New destination {dest:?} differs from {current_dest:?}, zeroing velocity");
+            let dest = Destination(pair.xy().i32());
-                        navigation_action.press(&NavigationAction::SetLinearVelocity);
+            if let Some(mut current_dest) = destination {
-                        navigation_action
+                trace!("Got a destination");
-                            .action_data_mut_or_default(&NavigationAction::SetLinearVelocity)
+                if *current_dest != dest {
-                            .axis_pair = Some(DualAxisData::from_xy(Vec2::ZERO));
+                    trace
-                        *current_dest = dest;
+!("{entity:?}: New destination {dest:?} differs from {current_dest:?}, zeroing velocity");
-                    }
+                    navigation_action
-                } else {
+                        .set_axis_pair(&NavigationAction::SetLinearVelocity, Vec2::ZERO);
-                    trace!("{entity:?}: Adding destination, zeroing velocity");
+                    *current_dest = dest;
-                    navigation_action.press(&NavigationAction::SetLinearVelocity);
+                }
-                    navigation_action
+            } else {
-                        .action_data_mut_or_default(&NavigationAction::SetLinearVelocity)
+                trace
-                        .axis_pair = Some(DualAxisData::from_xy(Vec2::ZERO));
+!("{entity:?}: Adding destination, zeroing velocity");
-                    commands.entity(entity).insert(dest);
+                navigation_action.set_axis_pair(&NavigationAction::SetLinearVelocity, Vec2::ZERO);
-                }
+                commands.entity(entity).insert(dest);
-            } else if destination.is_some() {
-                trace!("No value, resetting");
-                commands
-                    .entity(entity)
-                    .remove::<Destination>()
-                    .remove::<Path>()
-                    .remove::<NoPath>();
             }
-            actions.release(&NegotiatePathAction);
-            actions
-                .action_data_mut_or_default(&NegotiatePathAction)
-                .axis_pair = None;
         }
     }
 }
@@ -405,16 +439,13 @@ impl Plugin for PathfindingPlugin {
             .register_type::<NoPath>()
             .register_type::<Path>()
             .register_type::<CostMap>()
-            .add_systems(
+            .add_systems(PreUpdate, (poll_tasks, negotiate_path).chain())
-                FixedPreUpdate,
-                (poll_tasks, apply_deferred, negotiate_path).chain(),
-            )
             .add_systems(
                 PreUpdate,
-                (actions, apply_deferred, calculate_path)
+                (actions, calculate_path)
                     .chain()
                     .after(InputManagerSystem::Tick),
             )
-            .add_systems(FixedPostUpdate, remove_destination);
+            .add_systems(PostUpdate, remove_destination);
     }
 }

src/visibility.rs

@@ -146,7 +146,30 @@ impl Viewshed {
                 };
                 if let Some((opacity, coord_entities)) = result {
                     for e in &coord_entities {
-                        new_visible_entities.insert(*e);
+                        let mut should_insert = true;
+                        if coord_entities.len() > 1 {
+                            let start = start.translation().truncate();
+                            let dest = Vec2::new(coord.x as f32, coord.y as f32);
+                            let dir = dest - start;
+                            rapier_context.intersections_with_ray(
+                                start,
+                                dir,
+                                1.,
+                                true,
+                                QueryFilter::new()
+                                    .exclude_sensors()
+                                    .exclude_collider(*viewer_entity)
+                                    .exclude_collider(*e)
+                                    .predicate(&|e| visible_query.contains(e)),
+                                |_, _| {
+                                    should_insert = false;
+                                    false
+                                },
+                            );
+                        }
+                        if should_insert {
+                            new_visible_entities.insert(*e);
+                        }
                     }
                     opacity
                 } else {
@@ -187,7 +210,7 @@ impl Viewshed {
     }
 }
 
-#[derive(Component, Clone, Copy, Debug, Deref, DerefMut, Reflect)]
+#[derive(Component, Clone, Copy, Debug, Deref, DerefMut, Eq, PartialEq, Reflect)]
 #[reflect(Component)]
 pub struct Visible(pub u8);
 
@@ -437,6 +460,9 @@ impl<MapData: 'static + Clone + Default + Send + Sync> Plugin for VisibilityPlug
                     update_revealed_tiles::<MapData>,
                 ),
             )
-            .add_systems(FixedPostUpdate, (log_visible, viewshed_removed, remove_visible));
+            .add_systems(
+                FixedPostUpdate,
+                (log_visible, viewshed_removed, remove_visible),
+            );
     }
 }