but I've seen in it used in base game with flags other than "icon".mipmap_count
Type: Types/uint8
Default: 0
Only loaded if this is an icon (has flag "icon").
Looking at Types/SpriteFlags there is a "mipmap" flag... is this relevant?
mipmap_count on Sprites page
mipmap_count on Sprites page
Types/Sprite shows...
Looking at Types/SpriteFlags there is a "mipmap" flag... is this relevant?
Looking at Types/SpriteFlags there is a "mipmap" flag... is this relevant?
Re: mipmap_count on Sprites page
No, the mipmap flag is not relevant. The relevant flags are "group=gui" and "group=icon". Some other flags include these, that is documented on https://wiki.factorio.com/Types/SpriteFlags.
What isn't documented anywhere is that sprites can have default flags set by the game. For example https://wiki.factorio.com/Types/BorderImageSet has the "gui" flag set on its sprites by default (which sets "group=gui"). This means that these sprites can use mipmap_count even though you don't *see* the flag being set anywhere.
TL;DR: The flags are "group=gui" and "group=icon", I updated the wiki to reflect that. The behaviour you observe is related to default sprite flags that aren't documented anywhere.
What isn't documented anywhere is that sprites can have default flags set by the game. For example https://wiki.factorio.com/Types/BorderImageSet has the "gui" flag set on its sprites by default (which sets "group=gui"). This means that these sprites can use mipmap_count even though you don't *see* the flag being set anywhere.
TL;DR: The flags are "group=gui" and "group=icon", I updated the wiki to reflect that. The behaviour you observe is related to default sprite flags that aren't documented anywhere.
I'm an admin over at https://wiki.factorio.com. Feel free to contact me if there's anything wrong (or right) with it.