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- added a sanity check to GL nodes loader for a potential crash.

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This commit is contained in:
Christoph Oelckers 2015-04-17 19:40:45 +02:00
parent d166211ce0
commit 6e28963141
1 changed files with 18 additions and 4 deletions
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22
src/p_glnodes.cpp
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@ -338,7 +338,14 @@ static bool LoadGLSegs(FileReader * lump)
ml->side=LittleShort(ml->side);
segs[i].sidedef = ldef->sidedef[ml->side];
segs[i].frontsector = ldef->sidedef[ml->side]->sector;
if (ldef->sidedef[ml->side] != NULL)
{
segs[i].frontsector = ldef->sidedef[ml->side]->sector;
}
else
{
segs[i].frontsector = NULL;
}
if (ldef->flags & ML_TWOSIDED && ldef->sidedef[ml->side^1] != NULL)
{
segs[i].backsector = ldef->sidedef[ml->side^1]->sector;
@ -346,7 +353,7 @@ static bool LoadGLSegs(FileReader * lump)
else
{
ldef->flags &= ~ML_TWOSIDED;
segs[i].backsector = 0;
segs[i].backsector = NULL;
}
}
@ -385,7 +392,14 @@ static bool LoadGLSegs(FileReader * lump)
ml->side=LittleShort(ml->side);
segs[i].sidedef = ldef->sidedef[ml->side];
segs[i].frontsector = ldef->sidedef[ml->side]->sector;
if (ldef->sidedef[ml->side] != NULL)
{
segs[i].frontsector = ldef->sidedef[ml->side]->sector;
}
else
{
segs[i].frontsector = NULL;
}
if (ldef->flags & ML_TWOSIDED && ldef->sidedef[ml->side^1] != NULL)
{
segs[i].backsector = ldef->sidedef[ml->side^1]->sector;
@ -393,7 +407,7 @@ static bool LoadGLSegs(FileReader * lump)
else
{
ldef->flags &= ~ML_TWOSIDED;
segs[i].backsector = 0;
segs[i].backsector = NULL;
}
}