Kill set_wm_icon function, since SDL_WM_SetIcon can be called safely
only at one place. Clearly hardcode the image's url instead of
pretending that we use game_config. Rename the image to
"game-icon.png" (since you are forced to use it).
Overall statistics (only for files with a smaller recompressed size):
Original size: 114 KiB on 31 files
Optimized size: 37 KiB
Total saving: 76 KiB = 67% decrease
...groups and UMC terrain groups. UMC authors have 3 styles to choose
between to keep things from getting too confusing. Also created some
group buttons for future use.
Overall statistics (only for files with a smaller recompressed size):
Original size: 3 KiB on 4 files
Optimized size: 3 KiB
Total saving: 0 KiB = 1% decrease
Overall statistics (only for files with a smaller recompressed size):
Original size: 2 KiB on 2 files
Optimized size: 1 KiB
Total saving: 0 KiB = 36% decrease
Overall statistics (only for files with a smaller recompressed size):
Original size: 4 KiB on 6 files
Optimized size: 4 KiB
Total saving: 0 KiB = 4% decrease
Overall statistics (only for files with a smaller recompressed size):
Original size: 14 KiB on 4 files
Optimized size: 4 KiB
Total saving: 9 KiB = 68% decrease
...and added desert plants to that group. This means cacti and so
forth no longer automatically appear on the desert. They must be
added by hand where they are wanted (weather over sand or any other
base terrain).
Overall statistics (only for files with a smaller recompressed size):
Original size: 6167 KiB on 142 files
Optimized size: 6068 KiB
Total saving: 98 KiB = 1% decrease
Overall statistics (only for files with a smaller recompressed size):
Original size: 2481 KiB on 48 files
Optimized size: 2349 KiB
Total saving: 132 KiB = 5% decrease
...light text on dark background.
The current situation (light text on light background) makes it
impossible for people with low contrast sensibility to read the text
of the buttons.
(I suppose the current situation also affects people using poor LCD
displays, since the buttons are usually displayed at the bottom of the
screen, where the contrast for light colors is the worst.)
Overall statistics (only for files with a smaller recompressed size):
Original size: 3725 KiB on 74 files
Optimized size: 3300 KiB
Total saving: 425 KiB = 11% decrease
