feat: add better priorities setting

simulation/SimNPC.gd

@@ -1,6 +1,8 @@
 class_name SimNPC
 extends RefCounted
 
+@export var DEBUG_LOGS := true
+
 const TASK_STATE_IDLE := "idle"
 const TASK_STATE_TRAVELING := "traveling"
 const TASK_STATE_WORKING := "working"
@@ -79,34 +81,116 @@ func choose_new_task(village: SimVillage) -> void:
 		set_task("rest", 4.0)
 		return
 
-	if village.food < 15.0:
-		set_task("gather_food", 5.0)
-		return
+	var best_task := choose_best_work_task(village)
 
-	if village.wood < 10.0:
-		set_task("gather_wood", 5.0)
-		return
-
-	if village.safety < 40.0 and profession == "guard":
-		set_task("patrol", 6.0)
-		return
-
-	if village.knowledge < 10.0 and profession == "scholar":
-		set_task("study", 6.0)
-		return
-
-	match profession:
-		"farmer":
+	match best_task:
+		"gather_food":
 			set_task("gather_food", 5.0)
-		"woodcutter":
+		"gather_wood":
 			set_task("gather_wood", 5.0)
-		"guard":
+		"patrol":
 			set_task("patrol", 6.0)
-		"scholar":
+		"study":
 			set_task("study", 6.0)
 		_:
 			set_task("wander", 4.0)
 
+func choose_best_work_task(village: SimVillage) -> String:
+	var food_score := calculate_task_score(
+		"gather_food",
+		village.food_priority,
+		village.food,
+		15.0,
+		30.0,
+		3.0,
+		1.5,
+		"farmer"
+	)
+
+	var wood_score := calculate_task_score(
+		"gather_wood",
+		village.wood_priority,
+		village.wood,
+		10.0,
+		20.0,
+		2.5,
+		1.0,
+		"woodcutter"
+	)
+
+	var safety_score := calculate_task_score(
+		"patrol",
+		village.safety_priority,
+		village.safety,
+		30.0,
+		50.0,
+		3.0,
+		1.5,
+		"guard"
+	)
+
+	var knowledge_score := calculate_task_score(
+		"study",
+		village.knowledge_priority,
+		village.knowledge,
+		10.0,
+		25.0,
+		1.5,
+		0.75,
+		"scholar"
+	)
+
+	var best_task := "gather_food"
+	var best_score := food_score
+
+	if wood_score > best_score:
+		best_task = "gather_wood"
+		best_score = wood_score
+
+	if safety_score > best_score:
+		best_task = "patrol"
+		best_score = safety_score
+
+	if knowledge_score > best_score:
+		best_task = "study"
+		best_score = knowledge_score
+
+	return best_task
+	
+func calculate_task_score(
+	task_name: String,
+	base_priority: float,
+	resource_amount: float,
+	critical_threshold: float,
+	low_threshold: float,
+	critical_bonus: float,
+	low_bonus: float,
+	preferred_profession: String
+) -> float:
+	var score := base_priority
+
+	if resource_amount < critical_threshold:
+		score += critical_bonus
+	elif resource_amount < low_threshold:
+		score += low_bonus
+
+	if profession == preferred_profession:
+		score += 2.0
+
+	score += randf_range(0.0, 0.5)
+
+	if DEBUG_LOGS:
+		print(
+			"[SimNPC] ",
+			npc_name,
+			" score ",
+			task_name,
+			" = ",
+			score
+		)
+
+	return score
+
 func set_task(task: String, duration: float) -> void:
 	current_task = task
 	task_duration = duration