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Change UDMF wall scroll scale to SCROLL_SHIFT

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UDMF special 502 now must scale arg 2 and 3 in the same scale
space as line length scrolling in binary format. This
is to ensure compatibility with the binary format.

Fixes STJr/SRB2#862

Co-Authored-By: MascaraSnake <jonassauer27@gmail.com>
This commit is contained in:
Eidolon 2022-05-26 23:38:50 -05:00 • committed by Sally Coolatta
parent 5c9599f0a9
commit a88d046db4
1 changed files with 4 additions and 4 deletions
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8
src/p_setup.c
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@ -5419,13 +5419,13 @@ static void P_ConvertBinaryLinedefTypes(void)
lines[i].args[1] = 0;
if (lines[i].flags & ML_NOSKEW)
{
lines[i].args[2] = lines[i].dx >> (FRACBITS + SCROLL_SHIFT);
lines[i].args[3] = lines[i].dy >> (FRACBITS + SCROLL_SHIFT);
lines[i].args[2] = sides[lines[i].sidenum[0]].textureoffset >> (FRACBITS - SCROLL_SHIFT);
lines[i].args[3] = sides[lines[i].sidenum[0]].rowoffset >> (FRACBITS - SCROLL_SHIFT);
}
else
{
lines[i].args[2] = sides[lines[i].sidenum[0]].textureoffset >> FRACBITS;
lines[i].args[3] = sides[lines[i].sidenum[0]].rowoffset >> FRACBITS;
lines[i].args[2] = lines[i].dx >> FRACBITS;
lines[i].args[3] = lines[i].dy >> FRACBITS;
}
lines[i].args[4] = lines[i].special - 502;
lines[i].special = 502;