[Freeciv-Dev] (PR#8624) New clima function to best handle terrain place, used to place poles.

["Marcelo Burda" <mburda@xxxxxxxxx>]

<URL: http://rt.freeciv.org/Ticket/Display.html?id=8624 >

Hi,
This is a full tuning patch for pole based in a new function map_clima
this function return a number form 0 (coolest) to 100. alowing to select
terrains types from clima.
I use it to fix the poles placing problems. now poles are good placed in
all 4 topologies (in torus this is more nice if x-y ratio is 1-1 or (2-1
iso) but this is a problem of the choice of sizes.

for flat topo i make only one pole, a flat map is a partial map no a
global map. 

later this funtion can be used to best place other terrains types
tropical zones are map_clima(x,y)>80 and desert ones are
80>map_clima(x,y)>70

I handle border with a very general function, this alow to extend
topologies with out problems.(this patch is not a topologie patch)
Best Regards
Marcelo

mapgen_tuning1.diff
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