growPercent?

[Energy9]

I either deeply misunderstand this function or it's broken.

Trying it with 30 threads on joesguns, if I do:

var prediction = ns.formulas.hacking.growPercent(server, 30,player,sourceServer.cpuCores);

It gives me a prediction of

1.03039797143375

.
Which would be great, except that when I actually run a 30 thread grow on joesguns, I end up with:

grow: Executing on 'joesguns' in 8.409 seconds (t=30).

grow: Available money on 'joesguns' grown by 9.126653%. Gained 417.291 hacking exp (t=30).

So that's not even a teensy bit accurate.

[rex8112]

I'm trying to figure it out too. Don't even know if the percentage is relating to the available money or the max money

[tclord]

Maybe only 9.12% was possible before it hit the max?

[RealOfficialTurf]

Weird.

I tried modifying the moneyAvailable in the server object to NaN and growPercent() doesn't return a NaN (which is wrong, since grow gain is dependent on the money available). I also tried modifying serverGrowth to NaN and the growPercent() returned NaN (which is correct).

So I guess it's broken?

[Af&Fix]

Was also super confused by function.
Edit. Okay, so, the number that you saw on grow percent shows a multiplier, which will apply to current money on server, when you execute a grow() with X amount of threads! You can calculate a log with that multiplier as a base (just run analyze function for 1 thread) on desired amount of money, that way you will get a thread prediction

[duregard]

Originally posted by RealOfficialTurf:

Weird.

I tried modifying the moneyAvailable in the server object to NaN and growPercent() doesn't return a NaN (which is wrong, since grow gain is dependent on the money available). I also tried modifying serverGrowth to NaN and the growPercent() returned NaN (which is correct).

So I guess it's broken?

The growth percentage is not dependent on money available.

The method used by the formulas API is also used when calculating outcome of the growth method and growth command, so it should be correct.

You can find the source code for it here:
https://github.com/danielyxie/bitburner/blob/2a13db39c769c601956b4bcef5e2a2f40514bcbd/src/Server/formulas/grow.ts

[Af&Fix]

Originally posted by duregard:

Originally posted by RealOfficialTurf:

Weird.

I tried modifying the moneyAvailable in the server object to NaN and growPercent() doesn't return a NaN (which is wrong, since grow gain is dependent on the money available). I also tried modifying serverGrowth to NaN and the growPercent() returned NaN (which is correct).

So I guess it's broken?

The growth percentage is not dependent on money available.

The method used by the formulas API is also used when calculating outcome of the growth method and growth command, so it should be correct.

You can find the source code for it here:
https://github.com/danielyxie/bitburner/blob/2a13db39c769c601956b4bcef5e2a2f40514bcbd/src/Server/formulas/grow.ts

Yes, the growth percentage is not dependent on money available. But how much you will gain after grow is obviously based on current money.

[MageKing17]

Growing adds $+1/thread before multiplying, so if you want to calculate the actual amount of money you'll end up with, you need to calculate it something like this:

const endMoney = (server.moneyAvailable + threads) * ns.formulas.hacking.growPercent(server, threads, player, sourceServer.cpuCores);

And then you can divide that by server.moneyAvailable to get the "actual" growth rate (although make sure your divisor isn't zero; the game pretends the server started from $1 if it has 0 money for the sake of its own calculation).

[RealOfficialTurf]

Originally posted by MageKing17:

Growing adds $+1/thread before multiplying

Oh, so growing actually adds $1 per thread before growing the money....

With the new prediction formula, the prediction now matches the result. Thank you!

Why didn't they tell us about this in the docs....