feat: add task duration and task commitment

simulation/SimNPC.gd

@@ -13,6 +13,10 @@ var position: Vector3
 
 var is_starving := false
 
+var task_duration := 0.0
+var task_progress := 0.0
+var task_complete := true
+
 func _init(
 	_id: int,
 	_npc_name: String,
@@ -37,51 +41,69 @@ func simulate_tick(village: SimVillage) -> void:
 	hunger = clamp(hunger, 0.0, 100.0)
 	energy = clamp(energy, 0.0, 100.0)
 
-	if hunger > 75.0:
-		if village.food > 0:
-			current_task = "eat"
-			hunger -= 25.0
-		else:
-			current_task = "gather_food"
-		return
-
-	if energy < 30.0:
-		current_task = "rest"
-		energy += 20.0
-		return
-		
 	is_starving = hunger >= 90.0
-	
-	if is_starving:	
+
+	if is_starving:
 		energy -= 8.0
 
-	hunger = clamp(hunger, 0.0, 100.0)
 	energy = clamp(energy, 0.0, 100.0)
 
+	if not task_complete:
+		task_progress += 1.0
+		if task_progress >= task_duration:
+			task_complete = true
+		return
+
+	choose_new_task(village)
+			
+			
+func choose_new_task(village: SimVillage) -> void:
+	task_progress = 0.0
+	task_complete = false
+
+	if hunger > 75.0:
+		if village.food > 0:
+			set_task("eat", 2.0)
+			hunger -= 25.0
+		else:
+			set_task("gather_food", 5.0)
+		return
+ 
+	if energy < 30.0:
+		set_task("rest", 4.0)
+		energy += 20.0
+		return
+
 	if village.food < 15.0:
-		current_task = "gather_food"
+		set_task("gather_food", 5.0)
 		return
 
 	if village.wood < 10.0:
-		current_task = "gather_wood"
+		set_task("gather_wood", 5.0)
 		return
 
 	if village.safety < 40.0 and profession == "guard":
-		current_task = "patrol"
+		set_task("patrol", 6.0)
 		return
 
 	if village.knowledge < 10.0 and profession == "scholar":
-		current_task = "study"
+		set_task("study", 6.0)
 		return
 
 	match profession:
 		"farmer":
-			current_task = "gather_food"
+			set_task("gather_food", 5.0)
 		"woodcutter":
-			current_task = "gather_wood"
+			set_task("gather_wood", 5.0)
 		"guard":
-			current_task = "patrol"
+			set_task("patrol", 6.0)
 		"scholar":
-			current_task = "study"
+			set_task("study", 6.0)
 		_:
-			current_task = "wander"
+			set_task("wander", 4.0)
+
+func set_task(task: String, duration: float) -> void:
+	current_task = task
+	task_duration = duration
+	task_progress = 0.0
+	task_complete = false