feat(BulletBase): 添加子弹运动类型枚举并修改弹反逻辑

为子弹基类添加运动类型枚举(MotionType)，包含四种运动方式。修改Parrier子弹的弹反逻辑，根据子弹运动类型执行不同处理：
- 投射物：保持原有弹反或格挡逻辑
- 挥砍：禁用碰撞箱
- 魔法或召唤：为发射者存储能量

scripts/Contents/Bullets/Parrier.gd

@@ -40,17 +40,22 @@ func hitBullet(bullet: BulletBase): # 当前子弹与其他子弹相撞
 			eff.shot()
 			launcher.impluse((position - bullet.position).normalized() * bullet.speed ** (1.0 / 2) * 250)
 			var targetBaseDamage = bullet.baseDamage
-			# 弹反 还是 格挡？
-			if MathTool.rate(reflectRate):
-				bullet.look_at(bullet.launcher.getTrackingAnchor())
-				bullet.launcher = launcher
-				bullet.baseDamage *= atk
-				bullet.baseDamage *= reflectRate
-				bullet.lifeTime *= 2
-				if bullet.freeAfterSpawn && bullet.autoSpawnAnimation:
-					bullet.animator.speed_scale *= 0.5
-			else:
-				bullet.tryDestroy()
+			if bullet.motionType == BulletBase.MotionType.PROJECTILE:
+				# 弹反 还是 格挡？
+				if MathTool.rate(reflectRate):
+					bullet.look_at(bullet.launcher.getTrackingAnchor())
+					bullet.launcher = launcher
+					bullet.baseDamage *= atk
+					bullet.baseDamage *= reflectRate
+					bullet.lifeTime *= 2
+					if bullet.freeAfterSpawn && bullet.autoSpawnAnimation:
+						bullet.animator.speed_scale *= 0.5
+				else:
+					bullet.tryDestroy()
+			elif bullet.motionType == BulletBase.MotionType.SWING:
+				bullet.hitbox.disabled = true
+			elif bullet.motionType == BulletBase.MotionType.SUMMON || bullet.motionType == BulletBase.MotionType.MAGIC:
+				launcher.storeEnergy(sqrt(bullet.baseDamage))
 			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(