feat(战斗系统): 添加攻击速度属性支持

在Weapon.gd中根据实体攻击速度调整冷却时间
在CooldownTimer.gd中新增speedScale属性和centralTime方法

scripts/Statemachine/CooldownTimer.gd

@@ -2,12 +2,15 @@ class_name CooldownTimer
 
 var cooldown: float = 100
 var lastStart: int = 0
+var speedScale: float = 1
 
 func _init(cd: float = 100):
 	cooldown = cd
 
+func centralTime():
+	return cooldown / speedScale
 func isCooldowned():
-	return timeSinceLastStart() >= cooldown
+	return timeSinceLastStart() >= centralTime()
 func start():
 	var state = isCooldowned()
 	if state:

scripts/Structs/Weapon.gd

@@ -171,6 +171,7 @@ func playSound(sound: String):
 		await cloned.finished
 		cloned.queue_free()
 func tryAttack(entity: EntityBase):
+	cooldownTimer.speedScale = entity.fields.get(FieldStore.Entity.ATTACK_SPEED)
 	if cooldownTimer.start():
 		if entity.useEnergy(needEnergy):
 			return await attack(entity)