K 10
svn:author
V 7
syntron
K 8
svn:date
V 27
2011-11-08T21:03:23.828033Z
K 7
svn:log
V 386
fix map definition / generation

the map is defined with several settings (mapsize, size, tilesperplayer,
xsize, ysize, topology). Now, some combinations are invalid like in this
bug

mapsize == XYSIZE && ysize % 2 != 0 && MAP_IS_ISOMETRIC

I did add the required checks but a framework to check the settings
would be helpful. Check also bug #18673 and patch #2542.

see gna bug #18875

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