This function should avoid stacking the traps on top, accumulating damage.
function onAddItem(item, tileitem, pos)
doTransformItem(item.uid, item.itemid - 1)
doSendMagicEffect(pos, CONST_ME_POFF)
return TRUE
end
function onAddItem(item, tileitem, pos)
if (item.itemid == 2579)...