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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
parent bc7e159be0
commit ca317a87ea
3 changed files with 63 additions and 11 deletions
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20
src/p_map.cpp
View file

@ -4463,10 +4463,17 @@ struct SRailHit
DVector3 HitPos;
DAngle HitAngle;
};
struct SPortalHit
{
DVector3 HitPos;
DVector3 ContPos;
DVector3 OutDir;
};
struct RailData
{
AActor *Caller;
TArray<SRailHit> RailHits;
TArray<SPortalHit> PortalHits;
bool StopAtOne;
bool StopAtInvul;
bool ThruSpecies;
@ -4475,6 +4482,16 @@ struct RailData
static ETraceStatus ProcessRailHit(FTraceResults &res, void *userdata)
{
RailData *data = (RailData *)userdata;
if (res.HitType == TRACE_CrossingPortal)
{
SPortalHit newhit;
newhit.HitPos = res.HitPos;
newhit.ContPos = res.SrcFromTarget;
newhit.OutDir = res.HitVector;
data->PortalHits.Push(newhit);
return TRACE_Continue;
}
if (res.HitType != TRACE_HitActor)
{
return TRACE_Stop;
@ -4559,7 +4576,8 @@ void P_RailAttack(FRailParams *p)
assert(puffclass != NULL); // Because we set it to a default above
AActor *puffDefaults = GetDefaultByType(puffclass->GetReplacement()); //Contains all the flags such as FOILINVUL, etc.
flags = (puffDefaults->flags6 & MF6_NOTRIGGER) ? 0 : TRACE_PCross | TRACE_Impact;
// disabled because not complete yet.
flags = (puffDefaults->flags6 & MF6_NOTRIGGER) ? 0/*TRACE_ReportPortals*/ : TRACE_PCross | TRACE_Impact /*| TRACE_ReportPortals*/;
rail_data.StopAtInvul = (puffDefaults->flags3 & MF3_FOILINVUL) ? false : true;
rail_data.ThruSpecies = (puffDefaults->flags6 & MF6_MTHRUSPECIES) ? true : false;
Trace(start, source->Sector, vec, p->distance, MF_SHOOTABLE, ML_BLOCKEVERYTHING, source, trace, flags, ProcessRailHit, &rail_data);

50
src/p_trace.cpp
View file

@ -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())

4
src/p_trace.h
View file

@ -50,7 +50,8 @@ enum ETraceResult
TRACE_HitFloor,
TRACE_HitCeiling,
TRACE_HitWall,
TRACE_HitActor
TRACE_HitActor,
TRACE_CrossingPortal,
};
enum
@ -113,6 +114,7 @@ enum
TRACE_PCross = 2, // Trigger SPAC_PCROSS lines
TRACE_Impact = 4, // Trigger SPAC_IMPACT lines
TRACE_PortalRestrict= 8, // Cannot go through portals without a static link offset.
TRACE_ReportPortals = 16, // Report any portal crossing to the TraceCallback
};
// return values from callback