Lua Help with Magic Formula

[Gothric]

setAttackFormula(combat, COMBAT_FORMULA_LEVELMAGIC, 17, 19, 15, 30)

can any one help me to understand how it works? :S what mean 17? 15? and another..

rep+

 

[RaikND]

function setAttackFormula(combat, type, minl, maxl, minm, maxm, min, max)
	local min, max = min or 0, max or 0
	return setCombatFormula(combat, type, -1, 0, -1, 0, minl, maxl, minm, maxm, -min, -max)
end

17 = minl
19 = maxl
15 = min
30 = max