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Guts of calculating cargo when fleets split.

Thu, 13 January 2022 15:51

ricks03

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I'm trying to figure out the formula for how cargo splits when a fleet splits. At a simple level, it's:
$cargoFleetA * ($cargoCapacityFleetA / ($cargoCapacityFleetA + $cargoCapacityFleetB)
$cargoFleetB * ($cargoCapacityFleetB / ($cargoCapacityFleetA + $cargoCapacityFleetB)

Which of course almost always leaves you with a fraction. Yet simply rounding the result doesn't provide the correct answer in all cases; there's variance +/- 1

Example:
I have a fleet, that starts out with 58800+7000 cargo space (the two resulting fleets combined cargo) before the split, and 515,180,270,252 cargo.

Simply applying the above formula after a split should give:
55,19,29,27 cargo
460,161,241,223 cargo

where Stars! reports:
55,20,28,26
460,160,232,224

So it's not simple rounding. I can get close to the right formula, but can't quite get there. Split all also spreads out results across fleets somehow. Anyone ever figured this out?

[Updated on: Thu, 13 January 2022 16:31]

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Re: Guts of calculating cargo when fleets split.

Fri, 28 January 2022 12:06

m.a@stars

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Registered: October 2004
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Rounding is most certainly involved. I'd try applying it at every step of the calculation, not just at the end.

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Re: Guts of calculating cargo when fleets split.

Fri, 28 January 2022 12:09

ricks03

Officer Cadet 2nd Year
Creator of TotalHost and Stars! utilities
Forum Administrator
Stars! AutoHost Administrator
Created TotalHost and Stars! utilities

Messages: 231
Registered: January 2012
Location: NC

There's both rounding and subtraction I think, because Stars! never seems to lose (or add) cargo. So the result on one side clerly ties to the result on the other side.

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