function xiazhiliange_CanUseGiftBag(MapID, InstanceID, TypeID, TargetID)
	local bRet, bIgnore = 0
	--判断背包空闲空间是否足够
	local FreeSize = role.GetBagFreeSize(TargetID)
	if(FreeSize < 1) then
		--提示玩家背包空间不足
		local MsgID = msg.BeginMsgEvent()
		msg.AddMsgEvent(MsgID, 26, 100003)
		msg.AddMsgEvent(MsgID, 9, 1)
		msg.DispatchRoleMsgEvent(TargetID, MsgID)
		bRet = 40
	end
	return bRet, bIgnore
end
aux.RegisterItemEvent(4810095, 0, "xiazhiliange_CanUseGiftBag")
function I4810095_OnUseGiftBag(MapID, InstanceID, TypeID, TargetID)
	local r = math.random(100)
	local temp = 0
	local index = 1
	local tbl = {}
	tbl[1]={8161011,12}
	tbl[2]={8161012,12}
	tbl[3]={8161013,12}
	tbl[4]={8161014,12}
	tbl[5]={8171011,12}
	tbl[6]={8171012,12}
	tbl[7]={8171013,12}
	tbl[8]={8171014,12}
	tbl[9]={8161015,2}
	tbl[10]={8171015,2}

	for i = 1,10 do
	    temp = temp + tbl[i][2]
		if temp >= r then
		    index = i
			break
		end
	end
	
	role.AddRoleItem(MapID, InstanceID, TargetID, tbl[index][1], 1, -1, 8, 420)
end
aux.RegisterItemEvent(4810095, 1, "I4810095_OnUseGiftBag")