fix: empty-path re-entrancy, retry_count reset, := to = for Variant

player/npc/NpcVisual.gd

@@ -18,7 +18,8 @@ var profession: String = ""
 var current_path: PackedVector3Array = []
 var path_index := 0
 var current_target := Vector3.INF
-var arrival_distance := 0.6
+var arrival_distance := 1.5
+var stuck_counter := 0
 
 var is_dead_visual := false
 var dead_material := StandardMaterial3D.new()
@@ -60,7 +61,8 @@ func set_target_position(pos: Vector3) -> void:
 	path_index = 0
 
 	if current_path.is_empty():
-		debug_log("Path is empty. Will report arrival/failure fallback.")
+		debug_log("Path is empty, stuck counter will handle fallback.")
+		nav_agent.target_position = global_position
 	else:
 		debug_log("New target: %s Path points: %s" % [pos, current_path.size()])
 
@@ -84,6 +86,10 @@ func _physics_process(delta: float) -> void:
 	if current_path.is_empty() or path_index >= current_path.size():
 		velocity = Vector3.ZERO
 		move_and_slide()
+		stuck_counter += 1
+		if stuck_counter > 90:
+			debug_log("Stuck with no valid path, reporting arrival")
+			_report_arrival_once()
 		return
 
 	var next_pos := current_path[path_index]
@@ -95,6 +101,7 @@ func _physics_process(delta: float) -> void:
 		return
 
 	var direction := to_next.normalized()
+	var prev_pos := global_position
 
 	velocity.x = direction.x * move_speed
 	velocity.z = direction.z * move_speed
@@ -102,6 +109,15 @@ func _physics_process(delta: float) -> void:
 
 	move_and_slide()
 
+	if global_position.distance_squared_to(prev_pos) < 0.001:
+		stuck_counter += 1
+		if stuck_counter > 90:
+			debug_log("Stuck while navigating, reporting arrival")
+			_report_arrival_once()
+			return
+	else:
+		stuck_counter = 0
+
 	var target_angle := atan2(direction.x, direction.z)
 	rotation.y = lerp_angle(rotation.y, target_angle, rotation_speed * delta)
 	

player/npc/NpcVisual.tscn

@@ -13,6 +13,8 @@ albedo_color = Color(1, 0.22352941, 1, 1)
 material = SubResource("StandardMaterial3D_d844k")
 
 [node name="NpcVisual" type="CharacterBody3D"]
+collision_layer = 2
+collision_mask = 1
 script = ExtResource("1_ixfoq")
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="."]