## 宗门资源管理器（Autoload 单例）。
extends Node

signal spirit_stones_changed(new_value: int, delta: int)
signal reputation_changed(new_value: int, delta: int)
signal food_changed(new_value: int, delta: int)

var spirit_stones := 0      # 灵石
var reputation := 0         # 声望
var food := 0               # 灵米（食物资源，HUD 显示"灵米"）


func add_spirit_stones(amount: int) -> void:
	spirit_stones += amount
	emit_signal("spirit_stones_changed", spirit_stones, amount)

func remove_spirit_stones(amount: int) -> void:
	spirit_stones -= amount
	emit_signal("spirit_stones_changed", spirit_stones, -amount)

func add_reputation(amount: int) -> void:
	reputation += amount
	emit_signal("reputation_changed", reputation, amount)

func remove_reputation(amount: int) -> void:
	reputation -= amount
	emit_signal("reputation_changed", reputation, -amount)

func add_food(amount: int) -> void:
	food += amount
	emit_signal("food_changed", food, amount)

func remove_food(amount: int) -> void:
	food -= amount
	emit_signal("food_changed", food, -amount)