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Make polymer impervious to corrupt maps (for the tenth time..). Fixes bug 2869996.

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git-svn-id: https://svn.eduke32.com/eduke32@1550 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
plagman 2009-12-03 06:21:39 +00:00
parent a8cbeaa0f7
commit 20cade406c
1 changed files with 12 additions and 10 deletions
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22
polymer/eduke32/build/src/polymer.c
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@ -1322,7 +1322,7 @@ static void polymer_displayrooms(int16_t dacursectnum)
// if we have a level boundary somewhere in the sector,
// consider these walls as visportals
if (wall[sec->wallptr + i].nextsector == -1)
if (wall[sec->wallptr + i].nextsector < 0)
doquery = 1;
i--;
@ -1332,7 +1332,7 @@ static void polymer_displayrooms(int16_t dacursectnum)
i = sec->wallnum-1;
while (i >= 0)
{
if ((wall[sec->wallptr + i].nextsector != -1) &&
if ((wall[sec->wallptr + i].nextsector >= 0) &&
(wallvisible(globalposx, globalposy, sec->wallptr + i)) &&
(polymer_planeinfrustum(&prwalls[sec->wallptr + i]->mask, frustum)))
{
@ -2927,7 +2927,9 @@ static void polymer_updatewall(int16_t wallnum)
// it also works, bitches
sec = &sector[sectofwall];
if (sectofwall < 0 || sectofwall > numsectors || wallnum < 0 || wallnum > numwalls || sec->wallptr > wallnum)
if (sectofwall < 0 || sectofwall > numsectors ||
wallnum < 0 || wallnum > numwalls ||
sec->wallptr > wallnum || wallnum >= (sec->wallptr + sec->wallnum))
return; // yay, corrupt map
wal = &wall[wallnum];
@ -3023,7 +3025,7 @@ static void polymer_updatewall(int16_t wallnum)
Bmemcpy(&w->wall.buffer[10], &s->ceil.buffer[(wal->point2 - sec->wallptr) * 5], sizeof(GLfloat) * 3);
Bmemcpy(&w->wall.buffer[15], &s->ceil.buffer[(wallnum - sec->wallptr) * 5], sizeof(GLfloat) * 3);
if (wal->nextsector == -1)
if (wal->nextsector < 0)
curpicnum = wallpicnum;
else
curpicnum = walloverpicnum;
@ -3035,7 +3037,7 @@ static void polymer_updatewall(int16_t wallnum)
else
yref = sec->ceilingz;
if ((wal->cstat & 32) && (wal->nextsector != -1))
if ((wal->cstat & 32) && (wal->nextsector >= 0))
{
if ((!(wal->cstat & 2) && (wal->cstat & 4)) || ((wal->cstat & 2) && (wall[nwallnum].cstat & 4)))
yref = sec->ceilingz;
@ -3287,7 +3289,7 @@ static void polymer_updatewall(int16_t wallnum)
}
}
if (wal->nextsector == -1)
if (wal->nextsector < 0)
Bmemcpy(w->mask.buffer, w->wall.buffer, sizeof(GLfloat) * 4 * 5);
Bmemcpy(w->bigportal, &s->floor.buffer[(wallnum - sec->wallptr) * 5], sizeof(GLfloat) * 3);
@ -3355,11 +3357,11 @@ static void polymer_drawwall(int16_t sectnum, int16_t wallnum)
polymer_drawplane(&w->over);
}
if ((wall[wallnum].cstat & 32) && (wall[wallnum].nextsector != -1))
if ((wall[wallnum].cstat & 32) && (wall[wallnum].nextsector >= 0))
polymer_drawplane(&w->mask);
if ((sector[sectnum].ceilingstat & 1) &&
((wall[wallnum].nextsector == -1) ||
((wall[wallnum].nextsector < 0) ||
!(sector[wall[wallnum].nextsector].ceilingstat & 1)))
{
bglColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
@ -3535,7 +3537,7 @@ static inline void polymer_pokesector(int16_t sectnum)
do
{
if ((wal->nextsector != -1) && (!prsectors[wal->nextsector]->flags.uptodate))
if ((wal->nextsector >= 0) && (!prsectors[wal->nextsector]->flags.uptodate))
polymer_updatesector(wal->nextsector);
if (!prwalls[sec->wallptr + i]->flags.uptodate)
polymer_updatewall(sec->wallptr + i);
@ -5216,7 +5218,7 @@ static inline void polymer_culllight(int16_t lighti)
polymer_addplanelight(&w->mask, lighti);
if ((wall[sec->wallptr + i].nextsector != -1) &&
if ((wall[sec->wallptr + i].nextsector >= 0) &&
(!drawingstate[wall[sec->wallptr + i].nextsector])) {
drawingstate[wall[sec->wallptr + i].nextsector] = 1;
sectorqueue[back] = wall[sec->wallptr + i].nextsector;