Ah, entendi. Obrigado por me explicar, rep +.

Vlw

attempt to call global 'isWalkable' <a nill value>

stack traceback

linha 42 na spell

no caso vc precisaria ter essa função da OTAL, testa assim e vê se resolve

function isWalkable(pos, creature, proj, pz)-- by Nord
if getTileThingByPos({x = pos.x, y = pos.y, z = pos.z, stackpos = 0}).itemid == 0 then return false end
if getTopCreature(pos).uid > 0 and creature then return false end
if getTileInfo(pos).protection and pz then return false, true end
local n = not proj and 3 or 2
for i = 0, 255 do
pos.stackpos = i
local tile = getTileThingByPos(pos)
if tile.itemid ~= 0 and not isCreature(tile.uid) then
if hasProperty(tile.uid, n) or hasProperty(tile.uid, 7) then
return false
end
end
end
return true
end

function onCastSpell(cid, var)
local pos = getPlayerPosition(cid)
local maxsummon = 3 


local summons = getCreatureSummons(cid)


local possible = {
{x = pos.x, y = pos.y - 2, z = pos.z, stackpos = 0},
{x = pos.x, y = pos.y + 2, z = pos.z, stackpos = 0},
{x = pos.x - 2, y = pos.y, z = pos.z, stackpos = 0},
{x = pos.x + 2, y = pos.y, z = pos.z, stackpos = 0},
{x = pos.x - 2, y = pos.y - 1, z = pos.z, stackpos = 0},
{x = pos.x + 2, y = pos.y - 1, z = pos.z, stackpos = 0},
{x = pos.x + 2, y = pos.y + 1, z = pos.z, stackpos = 0},
{x = pos.x - 2, y = pos.y + 1, z = pos.z, stackpos = 0},
{x = pos.x - 1, y = pos.y - 2, z = pos.z, stackpos = 0},
{x = pos.x + 1, y = pos.y - 2, z = pos.z, stackpos = 0},
{x = pos.x + 1, y = pos.y + 2, z = pos.z, stackpos = 0},
----
{x = pos.x, y = pos.y - 1, z = pos.z, stackpos = 0},
{x = pos.x, y = pos.y + 1, z = pos.z, stackpos = 0},
{x = pos.x - 1, y = pos.y, z = pos.z, stackpos = 0},
{x = pos.x + 1, y = pos.y, z = pos.z, stackpos = 0},
{x = pos.x - 1, y = pos.y + 1, z = pos.z, stackpos = 0},
{x = pos.x - 1, y = pos.y - 1, z = pos.z, stackpos = 0},
{x = pos.x + 1, y = pos.y - 1, z = pos.z, stackpos = 0},
{x = pos.x + 1, y = pos.y + 1, z = pos.z, stackpos = 0},
------
{x = pos.x - 1, y = pos.y + 2, z = pos.z, stackpos = 0}
} 


summonpos = 0


if(table.maxn(summons) < maxsummon) then 


for i = 1, #possible do
if isWalkable(possible[i], true, false, true) then
summonpos = possible[i]
end
end


if summonpos ~= 0 then
doConvinceCreature(cid, doCreateMonster("Clone Spider", summonpos))
doSendMagicEffect(pos, 12)
doSendMagicEffect(summonpos, 10)
doCreatureSay(cid, "Volatile Spiderling!", 20)
else
doPlayerSendCancel(cid, "There is not enough room.")
doSendMagicEffect(pos, 2)
return true
end
else
doSendMagicEffect(pos, 2)
doPlayerSendCancel(cid, "You cannot summon more than "..maxsummon.." creature(s).")
end
end 

Funcionou, mas me dá dbug quando summono. Quando eu logo ela ta lá.