Send hardcoded gossip text

-- Edited to lua from: http://www.ac-web.org/forums/showthread.php?197348-Mangos-Trinity-Send-gossip-texts-from-the-core-as-you-like-to
local SMSG_NPC_TEXT_UPDATE = 384
local MAX_GOSSIP_TEXT_OPTIONS = 8

function Player:GossipSetText(text, textID)
    data = CreatePacket(SMSG_NPC_TEXT_UPDATE, 100);
    data:WriteULong(textID or 0x7FFFFFFF)
    for i = 1, MAX_GOSSIP_TEXT_OPTIONS do
        data:WriteFloat(0) -- Probability
        data:WriteString(text) -- Text
        data:WriteString(text) -- Text
        data:WriteULong(0) -- language
        data:WriteULong(0) -- emote
        data:WriteULong(0) -- emote
        data:WriteULong(0) -- emote
        data:WriteULong(0) -- emote
        data:WriteULong(0) -- emote
        data:WriteULong(0) -- emote
    end
    self:SendPacketToPlayer(data)
end

Example:
player:GossipMenuAddItem(0, "asd", 0, 0)
player:GossipMenuAddItem(0, "asd", 0, 0)
player:GossipSetText("Testing "..math.random())
player:GossipSendMenu(0x7FFFFFFF, creature)