OrdinaryMagician/vkdoom_m
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- started working on tracking portal transitions for railgun shots.

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This commit is contained in:
Christoph Oelckers 2016-04-09 12:09:06 +02:00
commit ca317a87ea
3 changed files with 63 additions and 11 deletions
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50
src/p_trace.cpp
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@ -66,6 +66,8 @@ struct FTraceInfo
double startfrac;
int aimdir;
double limitz;
double lastfloorportalheight;
double lastceilingportalheight;
// These are required for 3D-floor checking
// to create a fake sector with a floor
@ -141,6 +143,7 @@ bool Trace(const DVector3 &start, sector_t *sector, const DVector3 &direction, d
inf.sectorsel=0;
inf.aimdir = -1;
inf.startfrac = 0;
inf.lastfloorportalheight = inf.lastceilingportalheight = start.Z;
memset(&res, 0, sizeof(res));
if (inf.TraceTraverse (ptflags))
@ -196,6 +199,7 @@ void FTraceInfo::EnterSectorPortal(int position, double frac, sector_t *entersec
newtrace.aimdir = position;
newtrace.limitz = portal->specialf1;
newtrace.sectorsel = 0;
newtrace.lastfloorportalheight = newtrace.lastceilingportalheight = limitz;
if (newtrace.TraceTraverse(ActorMask ? PT_ADDLINES | PT_ADDTHINGS | PT_COMPATIBLE : PT_ADDLINES))
{
@ -227,7 +231,7 @@ int FTraceInfo::EnterLinePortal(line_t *li, double frac)
frac += 1 / MaxDist;
double enterdist = MaxDist / frac;
DVector2 enter = newtrace.Start.XY() + enterdist * Vec.XY();
DVector2 enter = newtrace.Start + enterdist * Vec;
newtrace.ActorMask = ActorMask;
newtrace.WallMask = WallMask;
@ -244,7 +248,9 @@ int FTraceInfo::EnterLinePortal(line_t *li, double frac)
newtrace.startfrac = frac;
newtrace.aimdir = aimdir;
newtrace.limitz = limitz;
P_TranslatePortalZ(li, newtrace.limitz);
newtrace.lastfloorportalheight = newtrace.lastceilingportalheight = newtrace.limitz;
newtrace.sectorsel = 0;
Results->unlinked = true;
return newtrace.TraceTraverse(ActorMask ? PT_ADDLINES | PT_ADDTHINGS | PT_COMPATIBLE : PT_ADDLINES);
@ -442,11 +448,24 @@ bool FTraceInfo::LineCheck(intercept_t *in)
Results->HitType = TRACE_HitFloor;
Results->HitTexture = CurSector->GetTexture(sector_t::floor);
}
else if (entersector == NULL || entersector->PortalBlocksMovement(sector_t::floor))
else
{
// hit beyond a portal plane. This needs to be taken care of by the trace spawned on the other side.
Results->HitType = TRACE_HitNone;
return false;
if ((TraceFlags & TRACE_ReportPortals) && lastfloorportalheight > fc)
{
lastfloorportalheight = fc;
if (TraceCallback != NULL)
{
// Todo: calculate the intersection point.
Results->HitType = TRACE_CrossingPortal;
TraceCallback(*Results, TraceCallbackData);
}
}
if (entersector == NULL || entersector->PortalBlocksMovement(sector_t::floor))
{
// hit beyond a portal plane. This needs to be taken care of by the trace spawned on the other side.
Results->HitType = TRACE_HitNone;
return false;
}
}
}
else if (hit.Z >= fc)
@ -457,11 +476,24 @@ bool FTraceInfo::LineCheck(intercept_t *in)
Results->HitType = TRACE_HitCeiling;
Results->HitTexture = CurSector->GetTexture(sector_t::ceiling);
}
else if (entersector == NULL || entersector->PortalBlocksMovement(sector_t::ceiling))
else
{
// hit beyond a portal plane. This needs to be taken care of by the trace spawned on the other side.
Results->HitType = TRACE_HitNone;
return false;
if ((TraceFlags & TRACE_ReportPortals) && lastceilingportalheight < fc)
{
lastceilingportalheight = fc;
if (TraceCallback != NULL)
{
// Todo: calculate the intersection point.
Results->HitType = TRACE_CrossingPortal;
TraceCallback(*Results, TraceCallbackData);
}
}
if (entersector == NULL || entersector->PortalBlocksMovement(sector_t::ceiling))
{
// hit beyond a portal plane. This needs to be taken care of by the trace spawned on the other side.
Results->HitType = TRACE_HitNone;
return false;
}
}
}
else if (in->d.line->isLinePortal())