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Bugfix in XGL3 ZNODES parsing

This commit is contained in:
MascaraSnake 2020-05-03 19:28:52 +02:00
parent 5c8b50ca8b
commit 7fec1211fd
1 changed files with 7 additions and 4 deletions
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11
src/p_setup.c
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@ -2028,7 +2028,12 @@ static void P_InitializeSeg(seg_t *seg)
{
if (seg->linedef)
{
seg->sidedef = &sides[seg->linedef->sidenum[seg->side]];
UINT16 side = seg->linedef->sidenum[seg->side];
if (side == 0xffff)
I_Error("P_InitializeSeg: Seg %s refers to side %d of linedef %s, which doesn't exist!\n", sizeu1((size_t)(seg - segs)), seg->side, sizeu1((size_t)(seg->linedef - lines)));
seg->sidedef = &sides[side];
seg->frontsector = seg->sidedef->sector;
seg->backsector = (seg->linedef->flags & ML_TWOSIDED) ? sides[seg->linedef->sidenum[seg->side ^ 1]].sector : NULL;
@ -2224,10 +2229,8 @@ static boolean P_LoadExtendedSubsectorsAndSegs(UINT8 **data, nodetype_t nodetype
segs[k - 1 + ((m == 0) ? subsectors[i].numlines : 0)].v2 = segs[k].v1 = &vertexes[vertexnum];
READUINT32((*data)); // partner, can be ignored by software renderer
if (nodetype == NT_XGL3)
READUINT16((*data)); // Line number is 32-bit in XGL3, but we're limited to 16 bits.
linenum = READUINT16((*data));
linenum = (nodetype == NT_XGL3) ? READUINT32((*data)) : READUINT16((*data));
if (linenum != 0xFFFF && linenum >= numlines)
I_Error("P_LoadExtendedSubsectorsAndSegs: Seg %s in subsector %d has invalid linedef %d!\n", sizeu1(k), m, linenum);
segs[k].glseg = (linenum == 0xFFFF);