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Fix TextmapUnfixFlatOffsets

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It had the right idea, it just literally did it wrong :P
This commit is contained in:
Sally Coolatta 2023-08-27 14:04:28 -04:00
parent ec83b73ee9
commit 1bbe90f659
1 changed files with 8 additions and 8 deletions
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16
src/p_setup.c
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@ -2092,22 +2092,22 @@ static void TextmapUnfixFlatOffsets(sector_t *sec)
{ {
if (sec->floorpic_angle) if (sec->floorpic_angle)
{ {
fixed_t pc = FINECOSINE(sec->floorpic_angle >> ANGLETOFINESHIFT); fixed_t pc = FINECOSINE(sec->floorpic_angle>>ANGLETOFINESHIFT);
fixed_t ps = FINESINE(sec->floorpic_angle >> ANGLETOFINESHIFT); fixed_t ps = -FINESINE (sec->floorpic_angle>>ANGLETOFINESHIFT);
fixed_t xoffs = sec->floor_xoffs; fixed_t xoffs = sec->floor_xoffs;
fixed_t yoffs = sec->floor_yoffs; fixed_t yoffs = sec->floor_yoffs;
sec->floor_xoffs = (FixedMul(xoffs, ps) % MAXFLATSIZE) + (FixedMul(yoffs, pc) % MAXFLATSIZE); sec->floor_xoffs = (FixedMul(xoffs, pc) % MAXFLATSIZE) - (FixedMul(yoffs, ps) % MAXFLATSIZE);
sec->floor_yoffs = (FixedMul(xoffs, pc) % MAXFLATSIZE) - (FixedMul(yoffs, ps) % MAXFLATSIZE); sec->floor_yoffs = (FixedMul(xoffs, ps) % MAXFLATSIZE) + (FixedMul(yoffs, pc) % MAXFLATSIZE);
} }
if (sec->ceilingpic_angle) if (sec->ceilingpic_angle)
{ {
fixed_t pc = FINECOSINE(sec->ceilingpic_angle >> ANGLETOFINESHIFT); fixed_t pc = FINECOSINE(sec->ceilingpic_angle>>ANGLETOFINESHIFT);
fixed_t ps = FINESINE(sec->ceilingpic_angle >> ANGLETOFINESHIFT); fixed_t ps = -FINESINE (sec->ceilingpic_angle>>ANGLETOFINESHIFT);
fixed_t xoffs = sec->ceiling_xoffs; fixed_t xoffs = sec->ceiling_xoffs;
fixed_t yoffs = sec->ceiling_yoffs; fixed_t yoffs = sec->ceiling_yoffs;
sec->ceiling_xoffs = (FixedMul(xoffs, ps) % MAXFLATSIZE) + (FixedMul(yoffs, pc) % MAXFLATSIZE); sec->ceiling_xoffs = (FixedMul(xoffs, pc) % MAXFLATSIZE) - (FixedMul(yoffs, ps) % MAXFLATSIZE);
sec->ceiling_yoffs = (FixedMul(xoffs, pc) % MAXFLATSIZE) - (FixedMul(yoffs, ps) % MAXFLATSIZE); sec->ceiling_yoffs = (FixedMul(xoffs, ps) % MAXFLATSIZE) + (FixedMul(yoffs, pc) % MAXFLATSIZE);
} }
} }