Roll macro for compounding crits

Hello there, i would need some help with a double standard rolls... Some of my players in D6+D10 system uses a special crit rules with d10. Usually its d10 + modifier but if the dice roll is a 1 or 10, it's a crit: 1d10!+modifier On the first 1, roll a 1d10! and subtract it from the result Effectively that is: 1: 1d10!+modifier = (1)+5-(1d10!) 10: 1d10!+modifier = (10)+5+(1d10!) Note: a 1 in any subsequent roll does not have the same effect as the 1 in the first 1d10. Is it possible to create a macro to roll like this to show least amount of info? (Ideally just the final sum)

With scripts we could figure that out, but since you're talking about "your players", I'm taking it that you're the game owner, and  you have the "Plus" tier tag by your name (meaning scripts are NOT available). In that case, let's see if we can summon RainbowEncoder to offer a bit of alchemy...

It looks rather odd but this works [[ { [[1-1d10!]]*1d1cs0 + [[1d8+1]]*{ {1d10cs0cf0>2f>10*3} }/3 + [[10+1d10!]]*1d2/2 }k1 +?{Mod|0}]]