weapon wand dano por level,skill distance,buff

local combat = createCombatObject()
setCombatParam(combat, COMBAT_PARAM_TYPE, COMBAT_PHYSICALDAMAGE)
setCombatParam(combat, COMBAT_PARAM_DISTANCEEFFECT, 33)
function onGetFormulaValues(cid, level, skill, attack, factor)
    local lvl_skill = getPlayerSkillLevel(cid, SKILL_DISTANCE)
    local min = (level * 1 + lvl_skill * 2) * 3
    local max = (level * 1 + lvl_skill * 2) * 3
    return -min, -max
end

setCombatCallback(combat, CALLBACK_PARAM_SKILLVALUE, "onGetFormulaValues")

function onUseWeapon(cid, var)
	return doCombat(cid, combat, var)
end