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Provide a quick fix for the plane texture alignments in UDMF.

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This commit is contained in:
Nev3r 2019-12-14 16:01:26 +01:00
parent 09f873a753
commit 6fa8c7ee39
1 changed files with 37 additions and 0 deletions
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37
src/p_setup.c
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@ -1321,6 +1321,42 @@ static void TextmapParse(UINT32 dataPos[], size_t num, void (*parser)(UINT32, ch
}
}
/** Provides a temporary fix to the flat alignment coordinate transform from standard Textmaps.
*/
static void TextmapFixFlatOffsets (void)
{
fixed_t pc, ps;
fixed_t xoffs, yoffs;
size_t i;
sector_t* sec = sectors;
for (i = 0; i < numsectors; i++, sec++)
{
if (sec->floorpic_angle)
{
pc = FINECOSINE(sec->floorpic_angle>>ANGLETOFINESHIFT);
ps = FINESINE (sec->floorpic_angle>>ANGLETOFINESHIFT);
xoffs = sec->floor_xoffs;
yoffs = sec->floor_yoffs;
#define MAXFLATSIZE (2048<<FRACBITS)
sec->floor_xoffs = (FixedMul(xoffs, pc) % MAXFLATSIZE) - (FixedMul(yoffs, ps) % MAXFLATSIZE);
sec->floor_yoffs = (FixedMul(xoffs, ps) % MAXFLATSIZE) + (FixedMul(yoffs, pc) % MAXFLATSIZE);
#undef MAXFLATSIZE
}
if (sec->ceilingpic_angle)
{
pc = FINECOSINE(sec->ceilingpic_angle>>ANGLETOFINESHIFT);
ps = FINESINE (sec->ceilingpic_angle>>ANGLETOFINESHIFT);
xoffs = sec->ceiling_xoffs;
yoffs = sec->ceiling_yoffs;
#define MAXFLATSIZE (2048<<FRACBITS)
sec->ceiling_xoffs = (FixedMul(xoffs, pc) % MAXFLATSIZE) - (FixedMul(yoffs, ps) % MAXFLATSIZE);
sec->ceiling_yoffs = (FixedMul(xoffs, ps) % MAXFLATSIZE) + (FixedMul(yoffs, pc) % MAXFLATSIZE);
#undef MAXFLATSIZE
}
}
}
//
// P_ReloadRings
// Used by NiGHTS, clears all ring/wing/etc items and respawns them
@ -2839,6 +2875,7 @@ static boolean LoadMapData (const virtres_t* virt)
TextmapDefaults(); // UDMF-specific defaults (since some fields may get omitted).
TextmapParse(vertexesPos, numvertexes, TextmapVertex);
TextmapParse(sectorsPos, numsectors, TextmapSector);
TextmapFixFlatOffsets();
TextmapParse(sidesPos, numsides, TextmapSide);
TextmapParse(linesPos, numlines, TextmapLine);
SetupLines();