ReturnRandomSymbol.pwn

stock ReturnRandomSymbol(bool:uppercase = true, bool:lowercase = true)
{
    new value = -1;

    if (uppercase && lowercase) {
        value = random(2);
    }

    if (uppercase && (value == 0 || value == -1)) {
        value = mathrandom('A', 'Z');
    }

    if (lowercase && (value == 1 || value == -1)) {
        value = mathrandom('a', 'z');
    }

    return value;
}

stock mathrandom(min, max)
{
    return (random(max - min + 1) + min);
}