refactor(Bullets/Parrier): 重构格挡子弹伤害计算逻辑

简化参数命名并优化伤害计算方式，移除冗余的targetBaseDamage变量，直接使用bullet.baseDamage作为参数传递

scripts/Contents/Bullets/Parrier.gd

@@ -23,7 +23,7 @@ func penerateEffect(entity: EntityBase):
 	eff.rotation = position.angle_to_point(position)
 	eff.shot()
 	entity.impluse((entity.position - position).normalized() * 450)
-func generateParryBall(targetBaseDamage: float):
+func generateParryBall(bDamage: float):
 	var cycler = launcher.getOrCreateCycleTimer("parry", 2000, 100)
 	if len(cycler.bullets) < maxBallCount: # 玩家最多只能拥有多少气
 		for b in BulletBase.generate(
@@ -33,7 +33,7 @@ func generateParryBall(targetBaseDamage: float):
 			0
 		):
 			if b is ParryBallBullet:
-				b.atk = atk * targetBaseDamage
+				b.atk = atk * bDamage
 
 func spawn():
 	var varians = randi_range(0, 1)
@@ -53,7 +53,6 @@ func hitBullet(bullet: BulletBase): # 当前子弹与其他子弹相撞
 	if !is_instance_valid(launcher): return
 	if BulletTool.canDamage(bullet, launcher): # 其他子弹可以使当前子弹的发射者受伤吗？
 		if parryiedTimes < maxParryTimes && MathTool.rate(parryRate): # 一个刀光最多格挡多少个敌方子弹？
-			var targetBaseDamage = bullet.baseDamage
 			# 可以格挡 挥舞运动（近战攻击）、射弹运动（远程攻击）和猛冲运动 的子弹，射弹如果被弹反则不会产生气力
 			# 魔法运动和召唤运动的子弹虽不能格挡，但是可以储能，吐息运动的子弹会对发射者产生击退
 			if bullet.motionType == BulletBase.MotionType.PROJECTILE:
@@ -63,23 +62,22 @@ func hitBullet(bullet: BulletBase): # 当前子弹与其他子弹相撞
 				if MathTool.rate(reflectRate):
 					bullet.look_at(bullet.launcher.getTrackingAnchor())
 					bullet.launcher = launcher
-					bullet.baseDamage *= atk
-					bullet.baseDamage *= reflectRate
+					bullet.baseDamage = reflectRate * atk
 					bullet.lifeTime *= 2
 					if bullet.freeAfterSpawn && bullet.autoSpawnAnimation:
 						bullet.animator.speed_scale *= 0.5
 				else:
 					bullet.tryDestroy()
-					generateParryBall(targetBaseDamage)
+					generateParryBall(bullet.baseDamage)
 			elif bullet.motionType == BulletBase.MotionType.SWING:
 				parryEffect(bullet)
 				bullet.hitbox.set_deferred("disabled", true)
-				generateParryBall(targetBaseDamage)
+				generateParryBall(bullet.baseDamage)
 			elif bullet.motionType == BulletBase.MotionType.SPRINT:
 				parryEffect(bullet)
 				bullet.tryDestroy()
 				bullet.launcher.velocity *= -0.1
-				generateParryBall(targetBaseDamage)
+				generateParryBall(bullet.baseDamage)
 			elif bullet.motionType == BulletBase.MotionType.BREATH:
 				penerateEffect(bullet.launcher)
 				bullet.launcher.impluse(Vector2.from_angle(bullet.rotation) * -500)