fix

src/entities/shared_systems/pathfinding.rs

@@ -533,16 +533,11 @@ pub fn update_wandering_targets(
     mut query: Query<(&mut Ambulatory, &Transform), Without<crate::entities::tasks::TaskQueue>>,
     tilemap: Res<TileMap>,
     chunk_map: Res<ChunkMap>,
-    time: Res<Time>,
+    mut rng_q: Query<&mut WyRand, With<GlobalRng>>,
 ) {
-    // Use deterministic RNG - seed from SEED + time
-    use std::collections::hash_map::DefaultHasher;
-    use std::hash::{Hash, Hasher};
-    let mut hasher = DefaultHasher::new();
-    crate::constants::SEED.hash(&mut hasher);
-    time.elapsed_secs().to_bits().hash(&mut hasher);
-    let seed = hasher.finish();
-    let mut rng = WyRand::seed_from_u64(seed);
+    let Ok(mut rng) = rng_q.single_mut() else {
+        return;
+    };
 
     for (mut ambulatory, transform) in query.iter_mut() {
         if ambulatory.target.is_none() {

src/entities/tasks/executor.rs

@@ -22,7 +22,7 @@ use rand::{RngExt, SeedableRng};
 pub fn task_executor_system(
     mut commands: Commands,
     tilemap: Res<TileMap>,
-    time: Res<Time>,
+    mut rng_q: Query<&mut WyRand, With<GlobalRng>>,
     mut query: Query<(
         Entity,
         &mut TaskQueue,
@@ -34,21 +34,17 @@ pub fn task_executor_system(
     mut completed_writer: MessageWriter<TaskCompleted>,
     mut failed_writer: MessageWriter<TaskFailed>,
 ) {
-    use std::collections::hash_map::DefaultHasher;
-    use std::hash::{Hash, Hasher};
-    let mut hasher = DefaultHasher::new();
-    crate::constants::SEED.hash(&mut hasher);
-    time.elapsed_secs().to_bits().hash(&mut hasher);
-    let seed = hasher.finish();
-    let mut rng = WyRand::seed_from_u64(seed);
+    let Ok(mut rng) = rng_q.single_mut() else {
+        return;
+    };
 
     for (entity, mut queue, mut state, mut ambulatory, transform) in query.iter_mut() {
         // If queue empty, assign default Idle task
         if queue.is_empty() {
-            let origin = (transform.translation / ITILE_SIZE as f32).as_ivec3();
+            let origin = transform.translation.as_ivec3();
             queue.push(Task::Idle {
                 target: origin,
-                wander_radius: 10,
+                wander_radius: 64,
                 origin,
             });
         }
@@ -134,7 +130,7 @@ pub fn task_executor_system(
                     let origin = (transform.translation / ITILE_SIZE as f32).as_ivec3();
                     queue.push(Task::Idle {
                         target: origin,
-                        wander_radius: 10,
+                        wander_radius: 64,
                         origin,
                     });
                 }

src/entities/tasks/idle.rs

@@ -3,7 +3,7 @@
 //! This module contains the logic that was previously in the wandering
 //! system. Now it's called by the task executor when Task::Idle is active.
 
-use crate::constants::ITILE_SIZE;
+use crate::constants::{ITILE_SIZE, TILE_SIZE};
 use crate::entities::shared_components::Ambulatory;
 use crate::entities::tasks::components::Task;
 use crate::world::tiles::tilemap::TileMap;
@@ -34,8 +34,13 @@ pub(super) fn execute_idle(
     // Track if target actually changed this tick
     let mut target_changed = false;
 
+    // Use distance threshold for arrival check - equality never triggers due to float truncation
+    let dist_sq = (transform.translation.x - target.x as f32).powi(2)
+        + (transform.translation.y - target.y as f32).powi(2);
+    let arrived = dist_sq < (TILE_SIZE * 1.5) * (TILE_SIZE * 1.5);
+
     // If reached target or target is no longer standable, pick new target
-    if entity_pos == *target || !tilemap.is_standable(*target) {
+    if arrived || !tilemap.is_standable(*target) {
         if let Some(new_target) = pick_wander_target(origin, *wander_radius, tilemap, rng) {
             *target = new_target;
             target_changed = true;