feat(武器): 添加咸亨记账簿武器及茴香豆子弹

实现新的HXD武器系统，包括：
- 咸亨记账簿武器，可发射反弹的茴香豆子弹
- 茴香豆子弹能在敌人间反弹并造成伤害
- 添加相关资源文件及场景配置
- 将新武器添加到公鸡角色的武器库中

scripts/Contents/Bullets/HXD.gd

@@ -0,0 +1,24 @@
+extends BulletBase
+class_name HXDBullet
+
+var bouncedTime: int = 0
+var maxBouncedTime: int = 0
+
+func spawn():
+	texture.play(str(randi_range(0, 2)))
+func ai():
+	PresetBulletAI.forward(self, rotation)
+func succeedToHit(_dmg: float, entity: EntityBase):
+	if bouncedTime < maxBouncedTime:
+		var newEntity = EntityTool.findClosetEntity(position, get_tree(), !launcher.isPlayer(), launcher.isPlayer(), [entity])
+		if is_instance_valid(newEntity):
+			look_at(newEntity.position)
+			bouncedTime += 1
+func split(newBullet: BulletBase, _index: int, _total: int, _lastBullet: float):
+	if newBullet is HXDBullet:
+		newBullet.bouncedTime = 0
+	return newBullet
+func refract(newBullet: BulletBase, _entity: EntityBase, _index: int, _total: int, _lastBullet: float):
+	if newBullet is HXDBullet:
+		newBullet.bouncedTime = 0
+	return newBullet

scripts/Contents/Bullets/HXD.gd.uid

@@ -0,0 +1 @@
+uid://4mb47jqtc8f7

scripts/Contents/Weapons/HXD.gd

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+@tool
+extends Weapon
+
+func update(to: int, origin: Dictionary, _entity: EntityBase):
+    origin["atk"] += 1 * to * soulLevel
+    return origin
+func attack(entity: EntityBase):
+    for i in readStore("atk"):
+        for bullet in BulletBase.generate(
+            ComponentManager.getBullet("HXD"),
+            entity,
+            entity.findWeaponAnchor("normal"),
+            entity.findWeaponAnchor("normal").angle_to_point(get_global_mouse_position()) + deg_to_rad(randf_range(-1, 1) * 40)
+        ):
+            if bullet is HXDBullet:
+                bullet.maxBouncedTime = readStore("atk")
+                bullet.baseDamage = readStore("atk")

scripts/Contents/Weapons/HXD.gd.uid

@@ -0,0 +1 @@
+uid://0xfj35jvi7ym