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

simulation/SimNPC.gd

@@ -28,6 +28,8 @@ var task_duration := 0.0
 var task_progress := 0.0
 var task_complete := true
 var target_id: StringName = &""
+var retry_count := 0
+var last_task := ""
 
 func _init(
 	_id: int,
@@ -227,6 +229,9 @@ func calculate_task_score(
 	if profession == preferred_profession:
 		score += 2.0
 
+	if task_name == last_task:
+		score -= 1.5
+
 	score += randf_range(0.0, 0.5)
 
 	if DEBUG_LOGS:
@@ -242,6 +247,7 @@ func calculate_task_score(
 	return score
 
 func set_task(task: String, duration: float) -> void:
+	last_task = current_task
 	current_task = task
 	task_duration = duration
 	task_progress = 0.0