[PRoSToTeM@]

Originally Posted by Airkish Should I replace this to Emp`'s code and what would be the difference?

Readability?

[fysiks]

Originally Posted by Emp` stock bool Chance( iNum, iMult=100 ) return ( iNum * iMult >= random_num( 1, 100 * iMult ) ); if ( Chance( 5 ) ) { //... }

iMult doesn't do anything in this function. The only thing it will do is break it if it's less than 1. I.e. if you remove it, it will work exactly the same.

[PartialCloning]

random_num(1, 101) <= 5

random(100) < 5

[fysiks]

Originally Posted by PartialCloning random_num(1, 101) <= 5

This is wrong. This will give you 5/101, statistically of course. It is always important to check the boundary conditions. For example, if you want 100% instead of 5%, there is 1 possible value, 101, that will result in False.

[klippy]

Why not

PHP Code:

stock bool:Chance(Float:chance)
{
    return random_float(0.0, 1.0) * 100.0 < chance;
}

// Call
if(Chance(42.1337))
{
    // 42.1337% chance
} 


[fysiks]

Because the result is statistical, the higher resolution won't really change the outcome for any use case here.