function I1241145_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(35296)
	local temp = 0
	local index = 1
	local tbl = {}

 
tbl[1 ]={9990006, 1, 6, 4000}	  -- 10%
tbl[2 ]={9990007, 1, 6, 2900}	  -- 9%
tbl[3 ]={9990008, 1, 6, 2800}	  -- 8%
tbl[4 ]={9990009, 1, 6, 2700}	  -- 7%
tbl[5 ]={9990010, 1, 6, 2400}	  -- 4%
tbl[6 ]={9990011, 1, 6, 2300}	  -- 3%
tbl[7 ]={9990012, 1, 6, 2200}	  -- 2%
tbl[8 ]={9990013, 1, 6, 2200}	  -- 2%
tbl[9 ]={9990014, 1, 6, 2200}	  -- 2%
tbl[10]={9990020, 1, 6, 2200}	  -- 2%
tbl[11]={9990021, 1, 6, 2150}	  -- 1.5%
tbl[12]={9990022, 1, 6, 2100}	  -- 1%
tbl[13]={9990026, 1, 6, 1150}	  -- 0.5%
tbl[14]={9990029, 1, 6, 1125}	  -- 0.25%
tbl[15]={9990032, 1, 6, 1110}	  -- 0.1%
tbl[16]={9990033, 1, 6, 800}		  -- 0.05%
tbl[17]={9990034, 1, 6, 500}		  -- 0.02%
tbl[18]={9990035, 1, 6, 200}		  -- 0.01%
tbl[19]={9990040, 1, 6, 150}		  -- 0.01%
tbl[20]={9990041, 1, 6, 111}		  -- 0.01%


	for i = 1,20 do
	    temp = temp + tbl[i][4]
		if temp >= r then
		    index = i
			break
		end
	end
	if index >= 1 then
		local MsgID = msg.BeginMsgEvent()
		msg.AddMsgEvent(MsgID, 100, 280) --<p1>开启了<p1>获得了<p3>
		msg.AddMsgEvent(MsgID, 2, TargetID)
		msg.AddMsgEvent(MsgID, 4, TypeID)
		msg.AddMsgEvent(MsgID, 4, tbl[index][1])
		msg.DispatchWorldMsgEvent(MsgID)
	end
	role.AddRoleItem(MapID, InstanceID, TargetID, tbl[index][1], tbl[index][2], tbl[index][3], 8, 420)

end

function I1241145_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 < 1) then
		--提示玩家背包空间不足
		bRet = 40
	end
	return bRet, bIgnore
end

aux.RegisterItemEvent(1241145, 1, "I1241145_GiftBag")
aux.RegisterItemEvent(1241145, 0, "I1241145_CanUseGiftBag")