function I4810312_GiftBag(MapID, InstanceID, TypeID, TargetID)
	--玩家ID， 生成物品TypeID，数量，品质，生成模式，log用网络消息枚举
	local r = math.random(21000)
	local temp = 0
	local index = 1
	local tbl = {}
	tbl[1] = {4090011,5,0,1000}
	tbl[2] = {4090010,5,0,1000}
	tbl[3] = {4810311,5,0,1000}
	tbl[4] = {4810311,50,0,1000}
	tbl[5] = {4810311,100,0,1000}
	tbl[6] = {3070002,1,0,1000}
	tbl[7] = {4820256,1,0,1000}
	tbl[8] = {4820061,5,0,1000}
	tbl[9] = {3500041,3,0,1000}
	tbl[10] = {4820180,1,0,1000}
	tbl[11] = {3500208,1,0,1000}
	tbl[12] = {3500207,1,0,1000}
	tbl[13] = {3500204,1,0,1000}
	tbl[14] = {3500048,5,0,1000}
	tbl[15] = {4820274,1,0,1000}
	tbl[16] = {4820180,2,0,1000}
        tbl[17] = {4800234,1,0,1000}
        tbl[18] = {4820262,100,0,1000}
        tbl[19] = {4820162,1,0,1000}
        tbl[20] = {3020060,1,0,1000}
        tbl[21] = {4810183,20,0,500}


	for i = 1,#tbl do
	    temp = temp + tbl[i][4]
		if temp >= r then
		    index = i
			break
		end
	end

	role.AddRoleItem(MapID, InstanceID, TargetID, tbl[index][1], tbl[index][2], tbl[index][3], 8, 420)

end

function I4810312_CanUseGiftBag(MapID, InstanceID, TypeID, TargetID)
	local bRet, bIgnore = 0, false
	--判断背包空闲空间是否足够
	local FreeSize = role.GetBagFreeSize(TargetID)
	if(FreeSize < 2) then
		--提示玩家背包空间不足
		bRet = 40
	end
	return bRet, bIgnore
end


aux.RegisterItemEvent(4810312, 1, "I4810312_GiftBag")
aux.RegisterItemEvent(4810312, 0, "I4810312_CanUseGiftBag")