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Some Influence Formulae I discovered

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3 years ago
Sep 4, 2021, 10:20:53 AM

N.B. All are on standard speed


Wonder Unlock Cost:

250 + 200 * (Number of Claimed Wonders)^2


Territory Attach Cost:

30 + 50 * (Number of Territories in THIS City) * (Number of Territories in ALL Cities)


Civic Enactment Cost:

20 + 5 * Era^2 * Enacted Civics^2


All of these grow quadratically. The Civic enactment cost in particular jumps up massively in each era and gets prohibitively expensive so if you do plan to enact a civic it is much better to do it just before changing into the next era.

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3 years ago
Sep 4, 2021, 5:45:02 PM

One more


Civic Cancellation Cost:

90 * Era^2 - 55


Also interestingly the reductions for enabling/cancelling Civics are ADDITIVE, not multiplicative (unlike say unit construction costs) so if you have Writing (-20%), Encyclopedia (-20%), Press Freedom (-20%) and the Tenet Undertake Pilgrimage (-25%), the cost of enacting/cancelling civics becomes a mere 15% of the raw numbers.

   

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3 years ago
Sep 4, 2021, 5:51:09 PM

Really nice information. (stuff that should be in the encyclopedia). Get it on the wiki if you can.

Updated 3 years ago.
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3 years ago
Sep 5, 2021, 6:41:42 PM

Wait, so if all those other modifiers for civic cost drops it to 15%, what happens when one also adopts the Ming culture on top of all that? Doesn't that culture's LT also reduce civic costs by 25%?

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3 years ago
Sep 6, 2021, 6:50:04 PM
CoconutTank wrote:

Wait, so if all those other modifiers for civic cost drops it to 15%, what happens when one also adopts the Ming culture on top of all that? Doesn't that culture's LT also reduce civic costs by 25%?


I just checked - yes!!!!


You can have infinite influence at this point by enacting/cancelling civics repeatedly - SpiffingBrit, this is one for you! :)



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3 years ago
Sep 7, 2021, 8:56:54 AM

Wow hopefully someone can report this as a bug or get the developers attention to this 

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3 years ago
Sep 7, 2021, 2:00:50 PM

Thank you @CoconutTank and @Arkatreides for discovering the exploit! Enjoy it while it lasts :D

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3 years ago
Sep 7, 2021, 2:01:59 PM

Nice catch!

Even though Civic cost reductions are indeed supposed to be cumulative, enacting a Civic should definitely not grant you Influence.

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3 years ago
Sep 7, 2021, 8:11:36 PM
Oriolie wrote:

Nice catch!

Even though Civic cost reductions are indeed supposed to be cumulative, enacting a Civic should definitely not grant you Influence.

The easier solution is to make them noncumulative (multiplicative, and just bump them all up by a small amount)

-20%+ -20%=-40% = 60%

80%(-20%)*75%(-25%)=60%


So if you increased all the -20% to -25% and -25% to -35% then it should be ok (better with one or two, and not broken with all of them)

... with that

Writing 0.75

Encyclopedia 0.75 [0.5625 total

Press Freedom 0.75 [~0.42 total

Pilgrimage 0.65 [~0.27 total

Ming 0.65 [~0.17 total


That way if they add more its ok.

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3 years ago
Sep 8, 2021, 8:51:43 AM

Very interesting and usefull work Arkatreides.

Please continue your investigations!  :)

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3 years ago
Sep 9, 2021, 10:30:52 PM

Shame it doesn't actually add to make infinite influence for complete game breakingness ie Everything with influence is free

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3 years ago
Nov 9, 2021, 12:18:45 PM
Arkatreides wrote:


[...]


Civic Enactment Cost:

20 + 5 * Era^2 * Enacted Civics^2



As of the latest patch this formula is no longer true. I haven't fully worked out the new equation yet but there definitely is a cubic component to it now. However just doing a naive fit gives me some really odd coefficients (1.407, -1.79, 3.217) so there probably is something else here that I am missing.


On the flipside it looks like the progression with Era is less severe now and it appears to be linear.


So my best theory right now is that it is


20 + Era * Cubic Polynomial in terms of "Enacted Civs"




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3 years ago
Nov 11, 2021, 12:50:51 PM

Right, so after some intensive test I think I found the new equation. It is not an exact cubic as I had assumed but a power of 3.1 (not sure why they didn't just go for the clearer power of 3 ... other than to confuse me!).


Civic Enactment Cost:

20 + Era * Enacted Civics^3.1

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