mirror of https://github.com/ZDoom/qzdoom.git
- implemented the FMultiBlockThingsIterator and converted P_TeleportMove to use it.
This commit is contained in:
Christoph Oelckers
parent
cfbb3bcbb2
commit
58fcd8d742
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@ -334,7 +334,7 @@ void P_FindFloorCeiling(AActor *actor, int flags)
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validcount++;
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FPortalGroupArray grouplist;
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FMultiBlockLinesIterator mit(grouplist, actor, tmf.x, tmf.y, actor->radius);
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FMultiBlockLinesIterator mit(grouplist, actor);
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FMultiBlockLinesIterator::CheckResult cres;
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// if we already have a valid floor/ceiling sector within the current sector,
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@ -420,7 +420,7 @@ bool P_TeleportMove(AActor *thing, fixed_t x, fixed_t y, fixed_t z, bool telefra
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thing->SetZ(z);
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FPortalGroupArray grouplist;
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FMultiBlockLinesIterator mit(grouplist, thing, tmf.x, tmf.y, thing->radius);
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FMultiBlockLinesIterator mit(grouplist, x, y, z, thing->height, thing->radius);
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FMultiBlockLinesIterator::CheckResult cres;
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while (mit.Next(&cres))
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@ -431,11 +431,13 @@ bool P_TeleportMove(AActor *thing, fixed_t x, fixed_t y, fixed_t z, bool telefra
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if (tmf.touchmidtex) tmf.dropoffz = tmf.floorz;
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FBlockThingsIterator it2(FBoundingBox(x, y, thing->radius));
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AActor *th;
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FMultiBlockThingsIterator mit2(grouplist, x, y, z, thing->height, thing->radius);
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FMultiBlockThingsIterator::CheckResult cres2;
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while ((th = it2.Next()))
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while (mit2.Next(&cres2))
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{
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AActor *th = cres2.thing;
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if (!(th->flags & MF_SHOOTABLE))
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continue;
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@ -444,7 +446,7 @@ bool P_TeleportMove(AActor *thing, fixed_t x, fixed_t y, fixed_t z, bool telefra
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continue;
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fixed_t blockdist = th->radius + tmf.thing->radius;
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if (abs(th->X() - tmf.x) >= blockdist || abs(th->Y() - tmf.y) >= blockdist)
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if (abs(th->X() - cres.position.x) >= blockdist || abs(th->Y() - cres.position.y) >= blockdist)
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continue;
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if ((th->flags2 | tmf.thing->flags2) & MF2_THRUACTORS)
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153
src/p_maputl.cpp
153
src/p_maputl.cpp
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@ -711,18 +711,34 @@ line_t *FBlockLinesIterator::Next()
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//
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//===========================================================================
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FMultiBlockLinesIterator::FMultiBlockLinesIterator(FPortalGroupArray &check, AActor *origin, fixed_t checkx, fixed_t checky, fixed_t checkradius)
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FMultiBlockLinesIterator::FMultiBlockLinesIterator(FPortalGroupArray &check, AActor *origin, fixed_t checkradius)
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: checklist(check)
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{
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checkpoint = origin->Pos();
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if (checkx != FIXED_MAX) checkpoint.x = checkx;
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if (checky != FIXED_MAX) checkpoint.y = checky;
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P_CollectConnectedGroups(origin->Sector->PortalGroup, checkpoint, origin->Top(), checkradius, checklist);
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if (!check.inited) P_CollectConnectedGroups(origin->Sector->PortalGroup, checkpoint, origin->Top(), checkradius, checklist);
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checkpoint.z = checkradius;
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basegroup = origin->Sector->PortalGroup;
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Reset();
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}
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FMultiBlockLinesIterator::FMultiBlockLinesIterator(FPortalGroupArray &check, fixed_t checkx, fixed_t checky, fixed_t checkz, fixed_t checkh, fixed_t checkradius)
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: checklist(check)
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{
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checkpoint.x = checkx;
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checkpoint.y = checky;
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checkpoint.z = checkz;
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basegroup = P_PointInSector(checkx, checky)->PortalGroup;
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if (!check.inited) P_CollectConnectedGroups(basegroup, checkpoint, checkz + checkh, checkradius, checklist);
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checkpoint.z = checkradius;
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Reset();
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}
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//===========================================================================
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//
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// Go up a ceiling portal
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//
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//===========================================================================
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bool FMultiBlockLinesIterator::GoUp(fixed_t x, fixed_t y)
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{
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if (continueup)
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@ -739,6 +755,12 @@ bool FMultiBlockLinesIterator::GoUp(fixed_t x, fixed_t y)
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return false;
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}
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//===========================================================================
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//
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// Go down a floor portal
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//
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//===========================================================================
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bool FMultiBlockLinesIterator::GoDown(fixed_t x, fixed_t y)
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{
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if (continuedown)
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@ -755,6 +777,12 @@ bool FMultiBlockLinesIterator::GoDown(fixed_t x, fixed_t y)
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return false;
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}
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//===========================================================================
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//
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// Gets the next line - also manages switching between portal groups
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//
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//===========================================================================
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bool FMultiBlockLinesIterator::Next(FMultiBlockLinesIterator::CheckResult *item)
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{
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line_t *line = blockIterator.Next();
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@ -808,6 +836,12 @@ bool FMultiBlockLinesIterator::Next(FMultiBlockLinesIterator::CheckResult *item)
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return Next(item);
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}
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//===========================================================================
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//
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// start iterating a new group
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//
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//===========================================================================
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void FMultiBlockLinesIterator::startIteratorForGroup(int group)
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{
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offset = Displacements(basegroup, group);
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@ -817,6 +851,12 @@ void FMultiBlockLinesIterator::startIteratorForGroup(int group)
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blockIterator.init(bbox);
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}
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//===========================================================================
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//
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// Resets the iterator
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//
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//===========================================================================
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void FMultiBlockLinesIterator::Reset()
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{
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continueup = continueup = true;
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@ -851,8 +891,7 @@ FBlockThingsIterator::FBlockThingsIterator(int _minx, int _miny, int _maxx, int
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Reset();
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}
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FBlockThingsIterator::FBlockThingsIterator(const FBoundingBox &box)
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: DynHash(0)
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void FBlockThingsIterator::init(const FBoundingBox &box)
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{
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maxy = GetSafeBlockY(box.Top() - bmaporgy);
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miny = GetSafeBlockY(box.Bottom() - bmaporgy);
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@ -994,6 +1033,108 @@ AActor *FBlockThingsIterator::Next(bool centeronly)
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}
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//===========================================================================
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//
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// FMultiBlockThingsIterator :: FMultiBlockThingsIterator
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//
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// An iterator that can check multiple portal groups.
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//
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//===========================================================================
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FMultiBlockThingsIterator::FMultiBlockThingsIterator(FPortalGroupArray &check, AActor *origin, fixed_t checkradius)
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: checklist(check)
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{
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checkpoint = origin->Pos();
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if (!check.inited) P_CollectConnectedGroups(origin->Sector->PortalGroup, checkpoint, origin->Top(), checkradius, checklist);
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checkpoint.z = checkradius;
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basegroup = origin->Sector->PortalGroup;
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Reset();
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}
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FMultiBlockThingsIterator::FMultiBlockThingsIterator(FPortalGroupArray &check, fixed_t checkx, fixed_t checky, fixed_t checkz, fixed_t checkh, fixed_t checkradius)
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: checklist(check)
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{
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checkpoint.x = checkx;
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checkpoint.y = checky;
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checkpoint.z = checkz;
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basegroup = P_PointInSector(checkx, checky)->PortalGroup;
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if (!check.inited) P_CollectConnectedGroups(basegroup, checkpoint, checkz + checkh, checkradius, checklist);
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checkpoint.z = checkradius;
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Reset();
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}
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//===========================================================================
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//
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// Gets the next line - also manages switching between portal groups
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//
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//===========================================================================
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bool FMultiBlockThingsIterator::Next(FMultiBlockThingsIterator::CheckResult *item)
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{
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AActor *thing = blockIterator.Next();
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if (thing != NULL)
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{
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item->thing = thing;
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item->position = checkpoint + Displacements(basegroup, thing->Sector->PortalGroup);
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item->portalflags = portalflags;
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return true;
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}
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bool onlast = unsigned(index + 1) >= checklist.Size();
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int nextflags = onlast ? 0 : checklist[index + 1] & FPortalGroupArray::FLAT;
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if (onlast)
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{
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return false;
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}
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index++;
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startIteratorForGroup(checklist[index] & ~FPortalGroupArray::FLAT);
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switch (nextflags)
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{
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case FPortalGroupArray::UPPER:
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portalflags = FFCF_NOFLOOR;
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break;
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case FPortalGroupArray::LOWER:
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portalflags = FFCF_NOCEILING;
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break;
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default:
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portalflags = 0;
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}
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return Next(item);
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}
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//===========================================================================
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//
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// start iterating a new group
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//
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//===========================================================================
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void FMultiBlockThingsIterator::startIteratorForGroup(int group)
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{
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fixedvec2 offset = Displacements(basegroup, group);
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offset.x += checkpoint.x;
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offset.y += checkpoint.y;
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bbox.setBox(offset.x, offset.y, checkpoint.z);
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blockIterator.init(bbox);
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}
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//===========================================================================
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//
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// Resets the iterator
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//
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//===========================================================================
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void FMultiBlockThingsIterator::Reset()
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{
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index = -1;
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portalflags = 0;
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startIteratorForGroup(basegroup);
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}
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//===========================================================================
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//
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// FPathTraverse :: Intercepts
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@ -224,7 +224,8 @@ public:
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int portalflags;
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};
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FMultiBlockLinesIterator(FPortalGroupArray &check, AActor *origin, fixed_t checkx = FIXED_MAX, fixed_t checky = FIXED_MAX, fixed_t checkradius = -1);
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FMultiBlockLinesIterator(FPortalGroupArray &check, AActor *origin, fixed_t checkradius = -1);
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FMultiBlockLinesIterator(FPortalGroupArray &check, fixed_t checkx, fixed_t checky, fixed_t checkz, fixed_t checkh, fixed_t checkradius);
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bool Next(CheckResult *item);
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void Reset();
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// for stopping group traversal through portals. Only the calling code can decide whether this is needed so this needs to be set from the outside.
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@ -274,14 +275,52 @@ class FBlockThingsIterator
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FBlockThingsIterator();
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friend class FPathTraverse;
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friend class FMultiBlockThingsIterator;
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public:
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FBlockThingsIterator(int minx, int miny, int maxx, int maxy);
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FBlockThingsIterator(const FBoundingBox &box);
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FBlockThingsIterator(const FBoundingBox &box)
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{
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init(box);
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}
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void init(const FBoundingBox &box);
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AActor *Next(bool centeronly = false);
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void Reset() { StartBlock(minx, miny); }
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};
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class FMultiBlockThingsIterator
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{
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FPortalGroupArray &checklist;
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fixedvec3 checkpoint;
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short basegroup;
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short portalflags;
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short index;
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FBlockThingsIterator blockIterator;
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FBoundingBox bbox;
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void startIteratorForGroup(int group);
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public:
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struct CheckResult
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{
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AActor *thing;
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fixedvec3 position;
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int portalflags;
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};
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FMultiBlockThingsIterator(FPortalGroupArray &check, AActor *origin, fixed_t checkradius = -1);
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FMultiBlockThingsIterator(FPortalGroupArray &check, fixed_t checkx, fixed_t checky, fixed_t checkz, fixed_t checkh, fixed_t checkradius);
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bool Next(CheckResult *item);
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void Reset();
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const FBoundingBox &Box() const
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{
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return bbox;
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}
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};
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class FPathTraverse
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{
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static TArray<intercept_t> intercepts;
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