Simplified

function OnDamageLookup(receiver, causer, tagData, tagName) -- called when something is trying to do damage to a player

    if string.find(tagName, "melee") then
        writefloat(tagdata, 0x1D0, 0.00001)
        writefloat(tagdata, 0x1D4, 0.00001)
        writefloat(tagdata, 0x1D8, 0.00001)
    end
end