fix: 统一子弹伤害属性设置并添加类型检查

修改多个武器和召唤物的攻击逻辑，将直接设置damage属性改为设置baseDamage属性
添加BulletBase类型检查确保安全访问子弹属性
移除Weapon.gd中冗余的鼠标事件连接

scripts/Contents/Weapons/ChainGun.gd

@@ -8,6 +8,7 @@ func update(to, origin, _entity):
 	return origin
 func attack(entity: EntityBase):
 	for i in BulletBase.generate(ComponentManager.getBullet("ChainGun"), entity, entity.texture.global_position, (get_global_mouse_position() - entity.texture.global_position).angle()):
-		i.damage = readStore("atk")
-		i.count = floor(readStore("count"))
-		i.splits = readStore("split")
+		if i is BulletBase:
+			i.baseDamage = readStore("atk")
+			i.count = floor(readStore("count"))
+			i.splits = readStore("split")

scripts/Contents/Weapons/Meowmere.gd

@@ -10,8 +10,10 @@ func update(to, origin, _entity):
 func attack(entity: EntityBase):
 	var weaponPos = entity.findWeaponAnchor("normal")
 	for i in BulletBase.generate(ComponentManager.getBullet("Meowmere"), entity, weaponPos, weaponPos.angle_to_point(get_global_mouse_position())):
-		i.damage = readStore("atk")
+		if i is BulletBase:
+			i.baseDamage = readStore("atk")
 	for i in readStore("count"):
 		for j in BulletBase.generate(ComponentManager.getBullet("RainbowCat"), entity, weaponPos, weaponPos.angle_to_point(get_global_mouse_position())):
-			j.damage = readStore("childatk")
-			j.penerateDamageReduction = readStore("reduce")
+			if j is BulletBase:
+				j.baseDamage = readStore("childatk")
+				j.penerateDamageReduction = readStore("reduce")

scripts/Contents/Weapons/PurpleCrystal.gd

@@ -8,5 +8,6 @@ func update(to: int, origin: Dictionary, _entity: EntityBase):
 func attack(entity: EntityBase):
 	var weaponPos = entity.findWeaponAnchor("normal")
 	for bullet in BulletBase.generate(ComponentManager.getBullet("PurpleCrystal"), entity, weaponPos, (get_global_mouse_position() - weaponPos).angle()):
-		bullet.damage = readStore("atk")
+		if bullet is BulletBase:
+			bullet.baseDamage = readStore("atk")
 	return true

scripts/Contents/Weapons/WhiteSoul.gd

@@ -13,5 +13,6 @@ func attack(entity: EntityBase):
 			myPos,
 			myPos.angle_to_point(get_global_mouse_position() + MathTool.randv2_range(readStore("radius")))
 		):
-			j.damage = readStore("atk")
+			if j is BulletBase:
+				j.baseDamage = readStore("atk")
 	return true