Resources from city state - needed for buildings, what happens with loss?

sabre364

Chieftain
Joined
Dec 24, 2010
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So obviously I know that if you have a resource and build a unit that requires that resource, then lose the resource...your unit's strength is extremely low till you get it back.

With the advent of better city state management/diplomacy in gandk, i feel like i will find myself relying on them more for some resources like coal or aluminum. Does it work the same as the units if you lose the resource?

Eg. you build a factory with coal from an allied/friendly city state. They no longer become friends, will the production bonus from your factory decrease by half or whatever?
 
Your city states give you coal? I'm stuck with 20 horses and 15 iron that I can't trade away.
 
You don't lose anything if the resource is gone. It just displays -1 coal but you're still getting the same factory bonus. Or -1 aluminum but your hydro plant stays with the same effect. Kind of silly imo. Unless there's some hidden mechanic at work here, but I doubt it.
 
i havent noticed buildings functioning less after losing the resource but im not sure what happens for units like bombers needing oil.
 
i havent noticed buildings functioning less after losing the resource but im not sure what happens for units like bombers needing oil.

Probably the same -50% strategic penalty as all other resource-specific units.
 
i havent noticed buildings functioning less after losing the resource but im not sure what happens for units like bombers needing oil.

They get a -50% combat strength penalty.

That can be a useful tactic if you're fighting an AI who's relying on a strategic resource unit, if you can manage to pillage what they control.

Supposedly you can also do things like trade horses and iron to an AI so it builds the units that require it, then when you are war with each other, they lose access to it and have a bunch of garbage units.
 
You lose the building and have to rebuild it, as far as I can tell - it's very annoying. Sure, have the city lose the factory production bonus until the coal supply is restored, but having to rebuild it every time is a waste of time and hammers. I've had to build factories and hydro plants several times in the same city.
 
You lose the building and have to rebuild it, as far as I can tell - it's very annoying. Sure, have the city lose the factory production bonus until the coal supply is restored, but having to rebuild it every time is a waste of time and hammers. I've had to build factories and hydro plants several times in the same city.

Really? I was just watching a maddjinn lp and he lost say Al but didn't lose the structure?
 
I am fairly sure you don't lose the building unless they have recently changed it...the only thing I remember when running out of coal is running at a deficit, meaning I couldn't build new factories. Not sure if they still functioned or not.
 
I just tested this out by declaring war on a city-state that was the source of my coal.

You don't lose the buildings. You don't have to rebuild them. You don't lose the production it provides directly, you don't lose the production percentage increase, you don't lose the ability to slot specialists in it.

The only consequence is that you can't build anything that requires whatever you're in deficit of.

So unless the cities you're talking about were captured and recaptured, which can destroy buildings, or you're misremembering, or that's changed since pre-G&K...

Here is Paris - Factory is still present, a specialist is still in it, I highlighted the production boost (10% from workshop, 10% from factory - windmill and liberty don't apply since I'm building a nuke, not a building; also +2 and +1 from factory specialist with SoL in Civ) and you can see the coal deficit from breaking alliance with Sydney, who owns the coal tile in the upper right.
Spoiler :
 
Supposedly you can also do things like trade horses and iron to an AI so it builds the units that require it, then when you are war with each other, they lose access to it and have a bunch of garbage units.

What do you mean supposedly? This is why I call selling horses my insurance policy. Especially good for when your neighbor is pretending to be friendly, but is stronger than you and will be coming for you one day. They always build units on your trade resource.
 
Because it only works if:
-They don't have a plethora of the resource already from their own lands or allied CS
-They build the units
-They build enough of them to be over the limit should you remove your source
-You have the spare resource to trade to begin with

That's a few conditions to get it to work and I say supposedly because I have not personally done it or seen it work.
 
I just tested this out by declaring war on a city-state that was the source of my coal.

You don't lose the buildings. You don't have to rebuild them. You don't lose the production it provides directly, you don't lose the production percentage increase, you don't lose the ability to slot specialists in it.

The only consequence is that you can't build anything that requires whatever you're in deficit of.

So unless the cities you're talking about were captured and recaptured, which can destroy buildings, or you're misremembering, or that's changed since pre-G&K...

Here is Paris - Factory is still present, a specialist is still in it, I highlighted the production boost (10% from workshop, 10% from factory - windmill and liberty don't apply since I'm building a nuke, not a building; also +2 and +1 from factory specialist with SoL in Civ) and you can see the coal deficit from breaking alliance with Sydney, who owns the coal tile in the upper right.
Spoiler :

Roger that, thanks!
 
You lose the building and have to rebuild it, as far as I can tell - it's very annoying. Sure, have the city lose the factory production bonus until the coal supply is restored, but having to rebuild it every time is a waste of time and hammers. I've had to build factories and hydro plants several times in the same city.

really? i know for a fact i only had coal from a CS and when a rigged election occurred to lose my ally status i didnt lose the building (only got access to coal as an ally, not as friends). it wasnt grayed out nor was it suddenly in my build list. but i didnt look to see if i lost production from it or not which is one of the questions in here.
 
really? i know for a fact i only had coal from a CS and when a rigged election occurred to lose my ally status i didnt lose the building (only got access to coal as an ally, not as friends). it wasnt grayed out nor was it suddenly in my build list. but i didnt look to see if i lost production from it or not which is one of the questions in here.

Hmm, I suspect I must have been building the things at the time the resource was lost, when I'd thought they'd been completed.
 
Hmm, I suspect I must have been building the things at the time the resource was lost, when I'd thought they'd been completed.

I can see how that could happen: if you had a factory at 1 turn until completion, then lost coal at turn end, would you still end up completing the factory? Because if not, it'd be pretty confusing, since you would have expected to have had to choose a new production choice that turn anyways.
 
Yea, I think it just cancels the production without warning, you lose all the hammers spent on it. It even prompts you with the city-screen. Kind of like when you are building a national wonder, then capture and raze/annex a city or settle a new one. You don't even get an error message and I can see where you'd just start a new building not realizing it didn't finish.
 
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