fix

src/entities/tasks/components.rs

@@ -43,7 +43,8 @@ pub enum IdleState {
 #[derive(Clone, Debug, PartialEq)]
 pub enum ChopStep {
     /// Walking to within range of the trunk.
-    MovingToTree,
+    /// `approach` is the computed standable tile adjacent to the trunk (impassable).
+    MovingToTree { approach: Option<IVec3> },
     /// Entity is in range and actively chopping.
     Chopping { ticks_remaining: u32 },
     /// Chopping complete.

src/entities/tasks/demo.rs

@@ -181,7 +181,7 @@ pub fn demo_system(
                 queue.push(Task::ChopTree {
                     trunk_pos: lowest_trunk,
                     chop_ticks: CHOP_TICKS_DEFAULT,
-                    step: ChopStep::MovingToTree,
+                    step: ChopStep::MovingToTree { approach: None },
                 });
                 *state = TaskState::Pending;
             }

src/entities/tasks/executor.rs

@@ -135,7 +135,7 @@ pub fn task_executor_system(
                         chop_ticks,
                         step,
                     } => match step {
-                        ChopStep::MovingToTree => {
+                        ChopStep::MovingToTree { ref mut approach } => {
                             if !tilemap_mut.fixture_tiles.contains_key(trunk_pos) {
                                 failed_writer.write(TaskFailed {
                                     entity,
@@ -145,11 +145,11 @@ pub fn task_executor_system(
                                 *state = TaskState::Failed;
                                 continue;
                             }
-                            if ambulatory.target.is_none() {
+
                             use crate::constants::ITILE_SIZE;
 
-                                // The trunk tile itself is impassable (can_stand_in=false).
-                                // Path to the nearest standable tile adjacent to the trunk instead.
+                            if approach.is_none() {
+                                // First entry: compute approach tile and set target.
                                 // Check 8 surrounding XY positions at the trunk's ground z.
                                 let offsets = [
                                     (-1, 0),
@@ -162,7 +162,7 @@ pub fn task_executor_system(
                                     (1, 1),
                                 ];
 
-                                // First find the ground z at the trunk XY (for z reference)
+                                // Find the ground z at the trunk XY (for z reference)
                                 let ground_z = (-3i32..=4i32)
                                     .find_map(|z| {
                                         let floor_pos =
@@ -181,7 +181,7 @@ pub fn task_executor_system(
                                     })
                                     .unwrap_or(trunk_pos.z);
 
-                                // Find nearest standable neighbour to path toward
+                                // Find nearest standable neighbour
                                 let approach_target = offsets.iter().find_map(|(dx, dy)| {
                                     let candidate = IVec3::new(
                                         trunk_pos.x + dx * ITILE_SIZE,
@@ -189,6 +189,7 @@ pub fn task_executor_system(
                                         ground_z,
                                     );
                                     if tilemap_mut.is_standable(candidate) {
+                                        *approach = Some(candidate);
                                         Some(Vec3::new(
                                             candidate.x as f32,
                                             candidate.y as f32,
@@ -205,7 +206,6 @@ pub fn task_executor_system(
                                         ambulatory.current_path = None;
                                     }
                                     None => {
-                                        // No adjacent standable tile — tree may be surrounded
                                         failed_writer.write(TaskFailed {
                                             entity,
                                             task: current_task.clone(),
@@ -215,20 +215,33 @@ pub fn task_executor_system(
                                         continue;
                                     }
                                 }
-                            }
+                            } else if ambulatory.target.is_none() {
+                                // Arrived at approach tile (or path failed and target cleared).
+                                // Check distance to trunk; if close enough, start chopping.
                                 let dx = transform.translation.x - trunk_pos.x as f32;
                                 let dy = transform.translation.y - trunk_pos.y as f32;
                                 let dist_sq = dx * dx + dy * dy;
-                            let chop_range_sq = (crate::constants::TILE_SIZE * 2.5)
-                                * (crate::constants::TILE_SIZE * 2.5);
+                                let chop_range_sq =
+                                    (ITILE_SIZE as f32 * 2.5) * (ITILE_SIZE as f32 * 2.5);
+
                                 if dist_sq <= chop_range_sq {
-                                ambulatory.target = None;
+                                    // Close enough — transition to chopping
                                     ambulatory.current_path = None;
                                     *step = ChopStep::Chopping {
                                         ticks_remaining: *chop_ticks,
                                     };
+                                } else if let Some(approach_tile) = *approach {
+                                    // Not in range — re-set target to approach tile
+                                    ambulatory.target = Some(Vec3::new(
+                                        approach_tile.x as f32,
+                                        approach_tile.y as f32,
+                                        approach_tile.z as f32 + 1.0,
+                                    ));
+                                    ambulatory.current_path = None;
                                 }
                             }
+                            // If target is Some, pathfinding is handling movement — nothing to do
+                        }
                         ChopStep::Chopping { ticks_remaining } => {
                             if *ticks_remaining == 0 {
                                 let trunk_positions = fell_tree(