probability = true / total || ak47 / 100 weapons (on server) = 1 / 100 = 0,01 = 1% chance for ak47
example random box for 10 weapons:
P.S: cod2 have pseudorandom algorithmPHP Code:
rand_int = randomint(1000);
if (rand_int <= 100) //10%
giveWeapon(/* your weapon */);
else
if (rand_int <= 200) //10%
giveWeapon(/* your weapon */);
else
if (rand_int <= 300) //10%
giveWeapon(/* your weapon */);
else
if (rand_int <= 700) //40%
giveWeapon(/* your weapon */);
/* etc. */