FF_HORIZONTALFLIP and mobj->mirrored (sprite enhancements)

FF_HORIZONTALFLIP is a frame flag analogous to FF_VERTICALFLIP that flips the sprite horizontally:

in combination with FF_VERTICALFLIP:

mobj->mirrored inverts the angle used to calculate sprite rotation and flips the sprite accordingly. In effect, this allows asymmetric objects to be easily mirrored, creating left-handed Fang:

FF_HORIZONTALFLIP, like rollangle, does not behave the same way on models as it does on sprites: it acts exactly like mobj->mirrored: flipping the model across the mobj's angle, rather than relative to the camera angle.

changed the description

added 1 commit

• c716e661 - Whoops, switched these for no reason

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This has merge conflicts, just in case you weren't aware. I haven't asked about it in dev yet but I'd personally really like to have this for 2.2.5 if possible!

added 190 commits

• c716e661...8063814f - 188 commits from branch STJr:next
• cad1f57b - FF_HORIZONTALFLIP and mobj->mirrored (sprite enhancements)
• c74a607c - Whoops, switched these for no reason

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Oh, I wasn't aware actually! Should be resolved now

merged

mentioned in commit 6e7446de

mentioned in commit Galactice/Kart-Public@9402a006