current price is really excessive compared to the effect of this tech
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(people who find house building annoying after middle game would appreciate that).
edit: I guess you will teach Petra when search it if it's not already done ;-)
Quick computaiton:
House cost: 150 wood per 10 pop
Researching the tech saves resources cost if building houses for the resources that the tech costs yields less population:
i.e.
400 tech resources / 150 house resources = 2,6 resources / pop
so if 20% population bonus is more than 2.6 resources / pop, the tech is worth it, otherwise houses.
20% * pop > 400 resources / 150 resources * 10
i.e. pop > 26,6 / 20% = 133 pop
So assuming wood and stone cost are identical, the tech becomes cheaper than houses after 133 pop.
The change seems good to me because I'm really annoyed of the amount of houses we have to build just to sustain the pop growth.
(also borg- was asking whether we could make that female health tech a bit cheaper, as 250 food is really a lot in the first 10min and were better of making 5 more women. After minute 10 the tech is not that much worth it anymore, at least with the current game design)
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Account for a couple things:
- 50 build time per 10 pop for a house, plus walk time to build the house, is worth around 30 resources with an upgrade or two (assuming one villager builds the house). By that accounting houses cost approx 180 resources per 10 pop, or 18 per 1.
- 20 pop comes from the CC and is not affected by Home Garden. (this would be a higher figure for Celts, or if you built an early military colony)
So the break-even point where home garden and houses have the same efficiency, is when (pop - 20)*0.2/(home garden cost) = 10 / (house cost) = 1/18. solve and pop = 131, almost the same as 133. The two extra factors considered here canceled each other out.
This is also not accounting for the fact that you only save on building houses eventually (after you reach max pop) when Home Garden gives you 10 whole pop. If Home Garden gives you some amount of pop that's not a multiple of 10, that extra pop doesn't help you much since eventually you still have to build enough houses to reach max pop. This would reduce the benefit of Home Garden and increase the pop at which it would make sense to get it.