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Only a single program was used to safely compress all textures in MTG. * `optipng -o7 -zm1-9 -nc -strip all -clobber %%f` The key command used is -nc, which stops color mode changes. I.e. any RGBA textures will remain RGBA textures, with none being changes to 8-bit indexed mode. utils/optimize_textures.sh performs this compression automatically, assuming optipng is installed.
382 B
100x100px
382 B
100x100px
![](/gitea/minetest/minetest_game/raw/commit/08e057bf1c1d99e6219551f75ad4b6366682c38c/mods/sfinv/textures/sfinv_crafting_arrow.png)