feat(武器系统): 重构氧化加农炮并添加篮球消耗机制

- 修改Oxygener武器属性，增加count字段控制篮球消耗
- 实现checkAttack方法检查篮球消耗
- 调整武器基础数值和描述
- 移除氧气火焰的击退效果
- 在Rooster角色中替换初始武器为Oxygener
- 修复代码缩进问题

scripts/Contents/Bullets/OxygenFire.gd

@@ -2,4 +2,4 @@ extends BulletBase
 class_name OxygenFire
 
 func ai():
-    PresetBulletAI.forward(self, rotation)
+	PresetBulletAI.forward(self, rotation)

scripts/Contents/Weapons/Oxygener.gd

@@ -4,8 +4,11 @@ extends Weapon
 func update(to: int, origin: Dictionary, _entity: EntityBase):
 	origin["atk"] += 1 * to * soulLevel
 	origin["fireatk"] += 0.5 * to * soulLevel
-	origin["max-n"] += 2 * soulLevel
+	origin["max-n"] += 2 * (soulLevel - 1)
+	origin["count"] *= soulLevel
 	return origin
+func checkAttack(entity: EntityBase) -> bool:
+	return entity.useItem({ItemStore.ItemType.BASKETBALL: 1.0 / readStore("count")})
 func attack(entity: EntityBase):
 	for bullet in BulletBase.generate(
 		ComponentManager.getBullet("OxygenFire"),