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- Level as member variable in the sight checker.

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This commit is contained in:
Christoph Oelckers 2019-01-26 09:01:40 +01:00
parent 10feb446fa
commit fb86f397a0
2 changed files with 37 additions and 25 deletions
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11
src/g_levellocals.h
View file

@ -321,6 +321,17 @@ public:
}
bool CheckReject(sector_t *s1, sector_t *s2)
{
if (rejectmatrix.Size() > 0)
{
int pnum = int(s1->Index()) * sectors.Size() + int(s2->Index());
return !(rejectmatrix[pnum >> 3] & (1 << (pnum & 7)));
}
return true;
}
uint8_t md5[16]; // for savegame validation. If the MD5 does not match the savegame won't be loaded.
int time; // time in the hub
int maptime; // time in the map

45
src/p_sight.cpp
View file

@ -92,6 +92,7 @@ static TArray<SightTask> portals(32);
class SightCheck
{
FLevelLocals *Level;
DVector3 sightstart;
DVector2 sightend;
double Startfrac;
@ -116,6 +117,11 @@ class SightCheck
bool LineBlocksSight(line_t *ld);
public:
SightCheck(FLevelLocals *l)
{
Level = l;
}
bool P_SightPathTraverse ();
void init(AActor * t1, AActor * t2, sector_t *startsector, SightTask *task, int flags)
@ -407,7 +413,7 @@ bool SightCheck::LineBlocksSight(line_t *ld)
{
return true;
}
if (ld->args[1] != 0 && ld->args[1] != level.levelnum)
if (ld->args[1] != 0 && ld->args[1] != Level->levelnum)
{
return true;
}
@ -477,14 +483,14 @@ int SightCheck::P_SightBlockLinesIterator (int x, int y)
polyblock_t *polyLink;
unsigned int i;
offset = y*level.blockmap.bmapwidth+x;
offset = y* Level->blockmap.bmapwidth+x;
// if any of the previous blocks may contain a portal we may abort the collection of lines here, but we may not abort the sight check.
// (We still try to delay activating this for as long as possible.)
portalfound = portalfound || level.PortalBlockmap(x, y).containsLinkedPortals;
portalfound = portalfound || Level->PortalBlockmap(x, y).containsLinkedPortals;
polyLink = level.PolyBlockMap[offset];
portalfound |= (polyLink && level.PortalBlockmap.hasLinkedPolyPortals);
polyLink = Level->PolyBlockMap[offset];
portalfound |= (polyLink && Level->PortalBlockmap.hasLinkedPolyPortals);
while (polyLink)
{
if (polyLink->polyobj)
@ -505,9 +511,9 @@ int SightCheck::P_SightBlockLinesIterator (int x, int y)
polyLink = polyLink->next;
}
for (list = level.blockmap.GetLines(x, y); *list != -1; list++)
for (list = Level->blockmap.GetLines(x, y); *list != -1; list++)
{
if (!P_SightCheckLine (&level.lines[*list]))
if (!P_SightCheckLine (&Level->lines[*list]))
{
if (!portalfound) return 0;
else res = -1;
@ -661,13 +667,13 @@ bool SightCheck::P_SightPathTraverse ()
portals.Push({ 0, topslope, bottomslope, sector_t::floor, lastsector->GetOppositePortalGroup(sector_t::floor) });
}
x1 -= level.blockmap.bmaporgx;
y1 -= level.blockmap.bmaporgy;
x1 -= Level->blockmap.bmaporgx;
y1 -= Level->blockmap.bmaporgy;
xt1 = x1 / FBlockmap::MAPBLOCKUNITS;
yt1 = y1 / FBlockmap::MAPBLOCKUNITS;
x2 -= level.blockmap.bmaporgx;
y2 -= level.blockmap.bmaporgy;
x2 -= Level->blockmap.bmaporgx;
y2 -= Level->blockmap.bmaporgy;
xt2 = x2 / FBlockmap::MAPBLOCKUNITS;
yt2 = y2 / FBlockmap::MAPBLOCKUNITS;
@ -747,7 +753,7 @@ bool SightCheck::P_SightPathTraverse ()
{
// end traversing when reaching the end of the blockmap
// an early out is not possible because with portals a trace can easily land outside the map's bounds.
if (!level.blockmap.isValidBlock(mapx, mapy))
if (!Level->blockmap.isValidBlock(mapx, mapy))
{
break;
}
@ -839,22 +845,17 @@ int P_CheckSight (AActor *t1, AActor *t2, int flags)
bool res;
assert (t1 != NULL);
assert (t2 != NULL);
if (t1 == NULL || t2 == NULL)
assert (t1 != nullptr);
assert (t2 != nullptr);
if (t1 == nullptr || t2 == nullptr)
{
return false;
}
const sector_t *s1 = t1->Sector;
const sector_t *s2 = t2->Sector;
int pnum = int(s1->Index()) * level.sectors.Size() + int(s2->Index());
//
// check for trivial rejection
//
if (level.rejectmatrix.Size() > 0 &&
(level.rejectmatrix[pnum>>3] & (1 << (pnum & 7))))
if (!level.CheckReject(t1->Sector, t2->Sector))
{
sightcounts[0]++;
res = false; // can't possibly be connected
@ -911,7 +912,7 @@ sightcounts[0]++;
SightTask task = { 0, topslope, bottomslope, -1, sec->PortalGroup };
SightCheck s;
SightCheck s(&level);
s.init(t1, t2, sec, &task, flags);
res = s.P_SightPathTraverse ();
if (!res)