07-10-2003 04:35									#1
	Global Warming - Which Globe? Support Apolyton, pre-order Civilization IV

Does anyone know if pollution on one map produces global warming only on that map in a multi-map game? Does unchecked pollution on earth affect Alpha Centauri, or vice-versa?

	07-10-2003 14:18									#2
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I'm pretty sure that pollution on one map will cause Global Warming only on that map; it happened several times in my games.

	08-10-2003 11:27									#3
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Thanks, Angelo. It's nice to see you're still around. Have you been doing any Civ stuff lately?

	08-10-2003 21:03									#4
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In fact i always browse the forum, unfortunately i can't answer the majority of questions people make ...

And no, i'm afraid i didn't work on Tot lately (i'm too busy playing it )

	09-10-2003 20:37									#5
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In the Invasion Earth succession game, it looks like global warming affected both planets (alpha and earth that is), but not as the same pace.
We nuked earth like crazy and GW did happen quickly. It took more time on Alpha but it appeared there too. I don't think we had any pollution on Alpha, but maybe my memory is playing tricks on me.

	10-10-2003 19:16									#6
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I thought that too... But I couldn't find it in the thread anymore.

I think the best way to find out is to see how global warming data is stored in the savegame... Do you know, Angelo?

It is (almost) certainly stored separately, but there might be an overflow problem.

	10-10-2003 20:28									#7
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quote: Originally posted by Angelo Scotto unfortunately i can't answer the majority of questions people make...

quote: Originally posted by Mercator I think the best way to find out is to see how global warming data is stored in the savegame... Do you know, Angelo?

You see what i mean

Anyway, instead of confessing my ignorance, i decided to hack a bit with an hex-editor.

Using a SciFi scenario (but i believe the data is always at the same place) pollution is stored in a byte at 0x2b2 (the numerical values are the same depicted in Allard's doc: 0x00 no pollution - 0x7F maximum)

That byte refers to the "currently selected" map.
In other words, if you save the game with a unit on map2 selected, then the 0x2b2 byte will carry the pollution level of map2.

Individual map pollution levels are stored at 0x3d8 (Map1), 0x3d9 (Map2), 0x3da (Map3), 0x3db (Map4).

I don't know if there's a bug in routines used by ToT to check whether GW must occur (maybe it uses the wrong byte in some particular situations?) but i don't remember to see GW happening on wrong maps in my games.

	10-10-2003 21:08									#8
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Excellent!

Maybe pollution in map 1 can overflow into map 2 (and so forth)?
So when map 1 reaches the max, pollution also starts occurring on map 2.

That would take a while of course.

	13-10-2003 03:54									#9
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Julius, that Invasion Earth succession game sounds interesting, was there a thread or anything for it on the forums here or some other site?

	13-10-2003 04:29									#10
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Thread is here:
http://apolyton.net/forums/showthre...s=&threadid=995

	14-10-2003 01:53									#11
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thankyou sir

	15-10-2003 05:50									#12
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wow, over a year to play, and total unit casulaties in the thousands. A really epic game!!!!!!

	17-03-2004 21:08									#13
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They should call it "cylindrical warming"... not "global warming".

ditto what Angelo said

	25-03-2004 06:38									#14
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i think the published strategy guide actually suggested taking advantage of global warming on different maps being independent as a strategy.