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SlowThinker
Apolytoners Hall of Fame
King
homeless, Praha, Czech Republic
Jan 2000
time: 04:38
04-09-2007 20:37 | www
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increase food production by food caravans? Support Apolyton, pre-order Civilization IV


Normally if you deliver a food caravan and establish a food route you get +1 food production in the destination city and -1 food production in the source city. So total food production of your civ is unchanged.
Is there any trick how to increase the food production by food caravans?

Harry Tuttle
Scenario League / Civ2-Creation
King
Mar 2003
time: 22:38
05-09-2007 03:24
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Well, besides training the routes by using the utility Civcity, I think the only trick would be to send caravans to cities that could produce more food by simply expanding into existing city squares. Make the city grow faster by plying it with food until it hits the maximum number of usable tiles then move on to the next city.

Hmmmm, interesting. If I have a city build a food caravan and then set its home city to none it will add +1 to the destination cities food bar and -1 to the cities trade route message. This only happens once...

rjmatsleepers
Civilization II Democracy Game
King
Oct 2002
time: 03:38

HOF entries: 2
05-09-2007 06:03
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My recollection is that someone posted an exploit involving food caravans. This was a few years ago and I can't remember the details.

What happens to the food route in the originating city when a new (non-food) trade route is established? Is it possible to lose the -1 while keeping the +1?

RJM

DaveV
Apolytoners Hall of Fame
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USA - EDT (GMT-5)
Jan 1970
time: 22:38

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05-09-2007 11:57
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This was another Xin Yu trick. As I remember it, the trick was to send two food caravans in one turn. The first filled the food box; the second caused the city to grow by one population. I think his example concerned three cities: A, B, and C. First turn, A and B send food caravans to C; next turn B and C send food caravans to A; third turn, A and C send food caravans to B. I've never tried it, but Xin Yu said you could grow cities to size 255 using this trick and I trust him.

Grigor
Civilization II MultiplayerCivilization II Succession GamesMac
Prince
Oberlin, Ohio
Jan 2000
time: 22:38

HOF entries: 1
06-09-2007 15:21
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Has everybody forgotten?? THis trick has been banned for so long that none of us remember it! From a 2002 thread:

http://forums.civfanatics.com/showthread.php?t=27833

quote:
Smallville is a size one city. Around it lie Big Town, Metropolis, Whopperburg, and Mega City, all of which have granaries and have built food caravans. The food caravans are rehomed to Smallville & sent back to their former home cities. But wait, the home city only shows three trade routes -- the fourth food route has no ongoing cost but the fourth city still gains a +1 food per turn -- for FREE. Smallville feeds the nation (picture 80 cities?)


There are some other tricks listed there by Starlifter, a **great** Civ2 player.

Straybow
Civilization II Succession GamesSpanish CiversPtWDG2 TabemonoAlpha Centauri Democracy GameNationStatesGalCiv Apolyton EmpireTrade Wars / BlackNova TradersCivilization II Democracy Game
Emperor
LF & SG(2)... still here in our hearts
Jan 1970
time: 19:38
13-09-2007 04:48 | www
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Yes, all van rehoming is forbidden for use for trade routes or food routes. I'd forgotten that particular exploit.

SlowThinker
Apolytoners Hall of Fame
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homeless, Praha, Czech Republic
Jan 2000
time: 04:38
15-09-2007 11:29 | www
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I have run some tests...

quote:
Originally posted by rjmatsleepers
What happens to the food route in the originating city when a new (non-food) trade route is established? Is it possible to lose the -1 while keeping the +1?

It seems the -1 / +1 always depend on the existence of a corresponding food route. In other words, +1 food requires a food route, and the food route induces -1 food.
I am almost sure there is no +1 without -1.

quote:
Originally posted by Harry Tuttle
If I have a city build a food caravan and then set its home city to none it will add +1 to the destination cities food bar and -1 to the cities trade route message. This only happens once...

"Cities trade route message" ... what do you mean?
My test says: a delivery of a NONE food caravan to Berlin causes causes a message "Food caravan from Berlin arrives in Berlin". A food route is shown in the city window ("Berlin food supplies: -1"), but "Food" in "City resources" remains unchanged, because +1-1=0.
Yes, this happens only once, because a city will never establish a 2nd equal route (i.e. to an equal city and with an equal commodity).

quote:
Originally posted by DaveV
This was another Xin Yu trick. As I remember it, the trick was to send two food caravans in one turn. The first filled the food box; the second caused the city to grow by one population. I think his example concerned three cities: A, B, and C. First turn, A and B send food caravans to C; next turn B and C send food caravans to A; third turn, A and C send food caravans to B. I've never tried it, but Xin Yu said you could grow cities to size 255 using this trick and I trust him.

This trick does nothing special with +1 / -1 food routes. It doesn't increase the city's food production, it only fills food boxes.
(About details of the trick: very large cities have a large food shortage, so the cities need granaries in order to prevent famine.)

quote:
Originally copied by Grigor
Smallville is a size one city. Around it lie Big Town, Metropolis, Whopperburg, and Mega City, all of which have granaries and have built food caravans. The food caravans are rehomed to Smallville & sent back to their former home cities. But wait, the home city only shows three trade routes -- the fourth food route has no ongoing cost but the fourth city still gains a +1 food per turn -- for FREE. Smallville feeds the nation (picture 80 cities?)

This trick doesn't work. The 4th route is not established, and there is no +1 food in the fourth city.

Grigor
Civilization II MultiplayerCivilization II Succession GamesMac
Prince
Oberlin, Ohio
Jan 2000
time: 22:38
16-09-2007 21:51
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OK, I underestimated Slow Thinker yet again.

After a close reading of the thread I quoted above, it seems that there is only one aspect of fod production increase involved here:

Because the delivery of more than three routes does not result in a -1 penalty, the total amount of food in the game has been increased by the amount of half the food box in the city to which the food was delivered.

It is true that this comes at a cost of 50 shields. This way to convert shields into food was discovered early in the history of CivII. Some players found that the possibility of creating food from money seemed to violate some unstated principle of aesthetics. The creation of unnaturally lage cities was used as exhibit #1 in this argument. Early in the history of CivII there were a lot of threads critiqueing CivII on the basis of its accuracy or lack of accuracy in reflecting the real world.

I think we are beyond that now.

It seems to be a CivII urban legend that such a delivery results in an uncompensated +1 in the receiving city. Evidently this is not correct.

SlowThinker
Apolytoners Hall of Fame
King
homeless, Praha, Czech Republic
Jan 2000
time: 04:38
17-09-2007 19:46 | www
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(Frankly said, I didn't understood the FCT precisely, and since I never played a GOTM for a high score, I didn't study either the related problems nor whole "Food for Thought" thread.
So my next posting may be dumb)

quote:
Originally posted by Grigor
It seems to be a CivII urban legend that such a delivery results in an uncompensated +1 in the receiving city. Evidently this is not correct.

It seems they didn't complain that
there is +1 food without -1 food
but they complained that
a half of the box is filled without +1/-1 food:

quote:
Originally posted by starlifter in Food for Thought
CASE 3: More than one food delivery from the same source city to the same destination city.
Comments: The 2nd and subsequent Food Delivery from the same source to the same destination was not credited with the source -1 route, nor the +1 in the destination.
Conclusion: Case 3 always results in the FCT!!


Edit: I just reread more of that thread and it seems I had understood the problems around FCT somewhen in past

Last edited by SlowThinker on 17-09-2007 at 20:17

Sharkbait
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Chieftain
Dec 2005
time: 03:38
25-09-2007 08:02
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What would happen if you rehomed a bunch of food vans to a size 1 city and then RB a settler to disband the city? Could you then contribute them to a city and get a benefit?

SlowThinker
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homeless, Praha, Czech Republic
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25-09-2007 09:38 | www
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I guess all units homed in a city disappear when the city is lost.

Sharkbait
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Chieftain
Dec 2005
time: 03:38
26-09-2007 12:49
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Oh yeah....spot the person who hasn't been playing much lately....

civiijkw
Settler
Jul 2008
time: 03:38
30-07-2008 18:30
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Avatar Enlargement: We've got the solution


quote:
Originally posted by DaveV
This was another Xin Yu trick. As I remember it, the trick was to send two food caravans in one turn. The first filled the food box; the second caused the city to grow by one population. I think his example concerned three cities: A, B, and C. First turn, A and B send food caravans to C; next turn B and C send food caravans to A; third turn, A and C send food caravans to B. I've never tried it, but Xin Yu said you could grow cities to size 255 using this trick and I trust him.


Size 127 is the limit as size 128 = size 0. If you send A to B, B to C and C to A every turn then the caravans will fill half of the food boxes, allowing a city growth every other turn for all three cities. The food box grows as the city grows (maybe to a limit of 1000 - I'm not yet sure). The hunger is done after the city growth, so a granary in each growing city or the Pyramids are required.

Felch
Civilization III Democracy Game
King
Germantown, Maryland
Sep 2001
time: 22:38
30-07-2008 19:02
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Cities have a 7 bit size value? Any idea what they use the 8th bit for?

SlowThinker
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homeless, Praha, Czech Republic
Jan 2000
time: 04:38
30-07-2008 20:17 | www
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Look in "Everything about hexediting": http://apolyton.net/forums//showthr...30&pagenumber=1

Mercator
Scenario League / Civ2-Creation
Super Moderator
Sorekara no Nanimo
Jan 1970
time: 04:38
30-07-2008 21:45 | www
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Avatar Enlargement: We've got the solution


It's the sign bit (i.e. negative/positive).

Most values in Civ2 use signed numbers rather than unsigned numbers, so the 8th bit is used for the sign.

That was also the reason for very high scores suddenly becoming negative scores, for example.

You can see for yourself. Go into the cheat menu and set the city size to 128. You'll find you suddenly have a city of size -128.

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