/
subsector.cpp
1814 lines (1572 loc) · 57.9 KB
/
subsector.cpp
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/** @file subsector.cpp Client-side world map subsector.
*
* @authors Copyright © 2003-2020 Jaakko Keränen <jaakko.keranen@iki.fi>
* @authors Copyright © 2006-2016 Daniel Swanson <danij@dengine.net>
*
* @par License
* GPL: http://www.gnu.org/licenses/gpl.html
*
* <small>This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. This program is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details. You should have received a copy of the GNU
* General Public License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA</small>
*/
#include "world/subsector.h"
#include "world/map.h"
#include "world/convexsubspace.h"
#include "world/p_object.h"
#include "world/p_players.h"
#include "world/surface.h"
#include "client/clskyplane.h"
#include "client/cledgeloop.h"
#include "render/rend_main.h" // Rend_SkyLightColor(), useBias
#include "LightDecoration"
#include "MaterialAnimator"
#include "WallEdge"
#include "dd_main.h" // verbose
#include <doomsday/mesh/face.h>
#include <doomsday/world/blockmap.h>
#include <de/LogBuffer>
#include <de/KeyMap>
#include <de/Set>
using namespace de;
using mesh::HEdge;
using world::Material;
using world::MapElement;
using world::Sector;
using world::SubsectorCirculator;
using world::World;
/// Classification flags:
enum SubsectorFlag
{
NeverMapped = 0x01,
AllMissingBottom = 0x02,
AllMissingTop = 0x04,
AllSelfRef = 0x08,
PartSelfRef = 0x10
};
using SubsectorFlags = Flags;
#ifdef DE_DEBUG
/**
* Returns a textual, map-relative path for the given @a surface.
*/
static DotPath composeSurfacePath(const Surface &surface)
{
DE_ASSERT(surface.hasParent());
const auto &owner = surface.parent();
switch (owner.type())
{
case DMU_PLANE:
return Stringf("sector#%i.%s",
owner.as<Plane>().sector().indexInMap(),
world::Sector::planeIdAsText(owner.as<Plane>().indexInSector()).c_str());
case DMU_SIDE:
return Stringf(
"line#%i.%s.%s",
owner.as<LineSide>().line().indexInMap(),
Line::sideIdAsText(owner.as<LineSide>().sideId()).c_str(),
LineSide::sectionIdAsText(
&surface == &owner.as<LineSide>().middle()
? LineSide::Middle
: &surface == &owner.as<LineSide>().bottom() ? LineSide::Bottom : LineSide::Top)
.c_str());
default: return "";
}
}
#endif // DE_DEBUG
/**
* @todo optimize: Translation of decorations on the world up axis would be a trivial
* operation to perform, which, would not require plotting decorations again. This
* frequent case should be designed for. -ds
*/
DE_PIMPL(Subsector)
//, DE_OBSERVES(Subsector, Deletion)
//, DE_OBSERVES(Plane, Deletion)
//, DE_OBSERVES(Sector, LightColorChange)
//, DE_OBSERVES(Sector, LightLevelChange)
, DE_OBSERVES(Line, FlagsChange)
, DE_OBSERVES(Plane, HeightChange)
, DE_OBSERVES(Plane, HeightSmoothedChange)
, DE_OBSERVES(Surface, MaterialChange)
, DE_OBSERVES(Surface, OriginChange)
, DE_OBSERVES(Surface, OriginSmoothedChange)
, DE_OBSERVES(Material, DimensionsChange)
, DE_OBSERVES(MaterialAnimator, DecorationStageChange)
{
struct BoundaryData
{
struct EdgeLoops : public List<ClEdgeLoop *>
{
~EdgeLoops() { clear(); }
void clear()
{
deleteAll(*this);
List<ClEdgeLoop *>::clear();
}
};
std::unique_ptr<ClEdgeLoop> outerLoop;
EdgeLoops innerLoops;
void clear()
{
outerLoop.release();
innerLoops.clear();
}
/**
* Add @a loop to the data set (ownership is given).
*/
BoundaryData &addEdgeLoop(ClEdgeLoop *loop)
{
if (loop)
{
if (loop->isOuter()) outerLoop.reset(loop);
else innerLoops.append(loop);
}
return *this;
}
};
struct GeometryData
{
MapElement *mapElement;
int geomId;
GeometryData(MapElement *mapElement, int geomId)
: mapElement(mapElement)
, geomId(geomId)
{}
};
/// @todo Avoid two-stage lookup.
typedef de::KeyMap<int, GeometryData *> Shards;
struct GeometryGroups : public de::KeyMap<MapElement *, Shards>
{
~GeometryGroups()
{
for (auto &g : *this)
{
g.second.deleteAll();
}
}
};
struct DecoratedSurface : public Surface::IDecorationState
{
List<Decoration *> decorations;
bool needUpdate = true;
DecoratedSurface() {}
~DecoratedSurface() { deleteAll(decorations); }
void markForUpdate(bool yes = true)
{
if (World::ddMapSetup) return;
needUpdate = yes;
}
void clear()
{
markForUpdate(false);
deleteAll(decorations);
decorations.clear();
}
};
int validFrame;
bool hasWorldVolumeInValidFrame;
bool hasInvisibleTop = false;
bool needClassify = true; ///< @c true= (Re)classification is necessary.
SubsectorFlags flags = 0;
struct VisPlaneLink
{
VisPlaneLinkMode linkMode = LinkAlways;
Subsector * target = nullptr;
Subsector * current = nullptr; // current link in effect, perhaps nullptr
};
VisPlaneLink visPlaneLinks[2];
std::unique_ptr<BoundaryData> boundaryData;
GeometryGroups geomGroups;
/// Subspaces in the neighborhood effecting environmental audio characteristics.
typedef Set<ConvexSubspace *> ReverbSubspaces;
ReverbSubspaces reverbSubspaces;
/// Environmental audio config.
AudioEnvironment reverb;
bool needReverbUpdate = true;
// Per surface lists of light decoration info and state.
Set<Surface *> decorSurfaces;
Impl(Public *i) : Base(i)
{}
// ~Impl() override
// {
// unlinkVisPlane(Sector::Floor);
// unlinkVisPlane(Sector::Ceiling);
// }
#if 0
inline bool floorIsMapped()
{
return visPlaneLinks[Sector::Floor].current &&
visPlaneLinks[Sector::Floor].current != thisPublic;
}
inline bool ceilingIsMapped()
{
return visPlaneLinks[Sector::Ceiling].current &&
visPlaneLinks[Sector::Ceiling].current != thisPublic;
}
inline bool needRemapVisPlanes()
{
return visPlaneLinks[Sector::Floor].target == 0 || mappedVisCeiling == 0;
}
Subsector **mappedSubsectorAdr(int planeIdx)
{
if (planeIdx == Sector::Floor) return &mappedVisFloor;
if (planeIdx == Sector::Ceiling) return &mappedVisCeiling;
return nullptr;
}
#endif
Plane *linkedPlane(dint planeIdx)
{
DE_ASSERT(planeIdx >= Sector::Floor && planeIdx <= Sector::Ceiling);
const auto &visp = visPlaneLinks[planeIdx];
if (visp.current)
{
return &visp.current->sector().plane(planeIdx).as<Plane>();
}
return nullptr;
}
void observeMaterial(Material *material, bool yes = true)
{
if (!material) return;
MaterialAnimator &materialAnimator = material->as<ClientMaterial>().getAnimator(Rend_MapSurfaceMaterialSpec());
if (yes)
{
material->audienceForDimensionsChange() += this;
materialAnimator.audienceForDecorationStageChange += this;
}
else
{
materialAnimator.audienceForDecorationStageChange -= this;
material->audienceForDimensionsChange() -= this;
}
}
static bool hasDecoratedMaterial(const Surface &surface)
{
return surface.hasMaterial() && surface.material().as<ClientMaterial>().hasDecorations();
}
void observeSurface(Surface *surface, bool yes = true)
{
if (!surface) return;
if (yes)
{
surface->audienceForMaterialChange() += this;
surface->audienceForOriginChange() += this;
surface->audienceForOriginSmoothedChange += this;
if (hasDecoratedMaterial(*surface))
{
allocDecorationState(*surface);
}
}
else
{
surface->audienceForOriginSmoothedChange -= this;
surface->audienceForOriginChange() -= this;
surface->audienceForMaterialChange() -= this;
decorSurfaces.remove(surface);
}
}
void observePlane(Plane *plane, bool yes = true, bool observeHeight = true)
{
if (!plane) return;
if (yes)
{
// plane->audienceForDeletion() += this;
if (observeHeight)
{
plane->audienceForHeightChange() += this;
plane->audienceForHeightSmoothedChange += this;
}
}
else
{
plane->audienceForHeightSmoothedChange -= this;
plane->audienceForHeightChange() -= this;
// plane->audienceForDeletion() -= this;
}
}
#if 0
void observeSubsector(Subsector *subsec, bool yes = true)
{
if (!subsec || subsec == thisPublic)
return;
if (yes) subsec->audienceForDeletion += this;
else subsec->audienceForDeletion -= this;
}
#endif
void linkVisPlane(dint planeIdx, Subsector *newSubsector)
{
auto *visp = &visPlaneLinks[planeIdx];
if (visp->current == newSubsector)
{
// Already linked there.
return;
}
if (visp->current != thisPublic)
{
if (Plane *oldPlane = linkedPlane(planeIdx))
{
observeMaterial(oldPlane->surface().materialPtr(), false);
observeSurface(&oldPlane->surface(), false);
observePlane(oldPlane, false);
}
}
// observeSubsector(visp->current, false);
visp->current = newSubsector;
// observeSubsector(visp->current);
if (visp->current != thisPublic)
{
if (Plane *newPlane = linkedPlane(planeIdx))
{
observePlane(newPlane, true, true); // !permanent);
observeSurface(&newPlane->surface(), true);
observeMaterial(newPlane->surface().materialPtr(), true);
}
}
}
void unlinkVisPlane(dint planeIdx)
{
linkVisPlane(planeIdx, nullptr);
}
void relinkVisPlanes()
{
for (int planeIdx = 0; planeIdx < 2; ++planeIdx)
{
auto *visp = &visPlaneLinks[planeIdx];
if (!visp->target) continue; // Not linked to anything.
// The actual height of the plane.
const double planeZ = self().sector().plane(planeIdx).as<Plane>().heightSmoothed();
if ((visp->linkMode == LinkAlways) ||
(visp->linkMode == LinkWhenLowerThanTarget &&
planeZ < visp->target->visPlane(planeIdx).heightSmoothed()) ||
(visp->linkMode == LinkWhenHigherThanTarget &&
planeZ > visp->target->visPlane(planeIdx).heightSmoothed()))
{
linkVisPlane(planeIdx, visp->target);
}
else
{
unlinkVisPlane(planeIdx);
}
}
}
#if 0
/*
* To be called when a plane moves to possibly invalidate mapped planes so
* that they will be re-evaluated later.
*/
void maybeInvalidateMapping(int planeIdx)
{
if (classification() & NeverMapped)
return;
Subsector **subsecAdr = mappedSubsectorAdr(planeIdx);
if (!subsecAdr || *subsecAdr == thisPublic)
return;
unlinkVisPlane(planeIdx);
if (classification() & (AllMissingBottom|AllMissingTop))
{
// Reclassify incase material visibility has changed.
needClassify = true;
}
}
#endif
/**
* Returns a copy of the classification flags for the subsector, performing
* classification of the subsector if necessary.
*/
SubsectorFlags classification()
{
if (needClassify)
{
needClassify = false;
flags &= ~(NeverMapped | PartSelfRef);
flags |= AllSelfRef | AllMissingBottom | AllMissingTop;
self().forAllSubspaces([this] (world::ConvexSubspace &subspace)
{
const auto *base = subspace.poly().hedge();
const auto *hedge = base;
do
{
if (!hedge->hasMapElement())
continue;
// This edge defines a section of a map line.
// If a back geometry is missing then never map planes.
if (!hedge->twin().hasFace())
{
flags |= NeverMapped;
flags &= ~(PartSelfRef | AllSelfRef | AllMissingBottom | AllMissingTop);
return LoopAbort;
}
if (!hedge->twin().face().hasMapElement())
continue;
const auto &backSpace = hedge->twin().face().mapElementAs<ConvexSubspace>();
// Subsector internal edges are not considered.
if (&backSpace.subsector() == thisPublic)
continue;
const LineSide &frontSide = hedge->mapElementAs<LineSideSegment>().lineSide().as<LineSide>();
const LineSide &backSide = hedge->twin().mapElementAs<LineSideSegment>().lineSide().as<LineSide>();
// Similarly if no sections are defined for either side then
// never map planes. This can happen due to mapping errors
// where a group of one-sided lines facing outward in the
// void partly form a convex subspace.
if (!frontSide.hasSections() || !backSide.hasSections())
{
flags |= NeverMapped;
flags &= ~(PartSelfRef | AllSelfRef | AllMissingBottom | AllMissingTop);
return LoopAbort;
}
if (frontSide.line().isSelfReferencing())
{
flags |= PartSelfRef;
continue;
}
flags &= ~AllSelfRef;
if (frontSide.bottom().hasDrawableNonFixMaterial())
{
flags &= ~AllMissingBottom;
}
if (frontSide.top().hasDrawableNonFixMaterial())
{
flags &= ~AllMissingTop;
}
if (backSpace.subsector().sector().floor().height() < self().sector().floor().height()
&& backSide.bottom().hasDrawableNonFixMaterial())
{
flags &= ~AllMissingBottom;
}
if (backSpace.subsector().sector().ceiling().height() > self().sector().ceiling().height()
&& backSide.top().hasDrawableNonFixMaterial())
{
flags &= ~AllMissingTop;
}
} while ((hedge = &hedge->next()) != base);
return LoopContinue;
});
}
return flags;
}
void initBoundaryDataIfNeeded()
{
if (boundaryData) return;
boundaryData.reset(new BoundaryData);
List<HEdge *> neighbors = self().listUniqueBoundaryEdges();
if (neighbors.count() == 1)
{
// Single neighbor => one implicit loop.
boundaryData->addEdgeLoop(new ClEdgeLoop(self(), *neighbors.first()));
}
else
{
// Multiple neighbors require testing of bounding boxes.
DE_ASSERT(!neighbors.isEmpty());
List<Rectanglef> boundaries;
for (auto *base : neighbors)
{
Rectanglef bounds;
SubsectorCirculator it(base);
do
{
bounds |= Rectanglef(Vec2f(it->origin().x, it->origin().y),
Vec2f(it->twin().origin().x, it->twin().origin().y))
.normalized();
} while (&it.next() != base);
boundaries << bounds;
}
const Rectanglef *largest = nullptr;
for (const Rectanglef &boundary : boundaries)
{
if (!largest || boundary.contains(*largest))
largest = &boundary;
}
for (int i = 0; i < neighbors.count(); ++i)
{
Rectanglef &boundary = boundaries[i];
HEdge * hedge = neighbors[i];
boundaryData->addEdgeLoop(new ClEdgeLoop(
self(), *hedge, !(&boundary == largest || (largest && boundary == *largest))));
}
}
}
#if 0
void remapVisPlanes()
{
/// @todo Has performance issues -- disabled; needs reworking.
// By default both planes are mapped to the parent sector.
if (!floorIsMapped()) map(Sector::Floor, thisPublic);
if (!ceilingIsMapped()) map(Sector::Ceiling, thisPublic);
if (classification() & NeverMapped)
return;
if (classification() & (AllSelfRef | PartSelfRef))
{
// Should we permanently map one or both planes to those of another sector?
self().forAllEdgeLoops([this] (const ClEdgeLoop &loop)
{
auto &backSubsec = loop.backSubsector().as<Subsector>();
if (loop.isSelfReferencing()
&& (classification() & AllSelfRef)
&& !(backSubsec.d->classification() & AllSelfRef)
&& backSubsec.d->mappedVisFloor != thisPublic)
{
// Setup the mapping and we're done.
map(Sector::Floor , &backSubsec, true /*permanently*/);
map(Sector::Ceiling, &backSubsec, true /*permanently*/);
return LoopAbort;
}
else
{
return LoopContinue;
}
});
if (floorIsMapped())
{
// Remove the mapping from all inner subsectors to this, forcing
// their re-evaluation (however next time a different subsector
// will be selected from the boundary).
for (ClEdgeLoop *loop : boundaryData->innerLoops)
{
if (loop->isSelfReferencing())
{
auto &backSubsec = loop->backSubsector().as<Subsector>();
if ((classification() & AllSelfRef)
&& !(backSubsec.d->classification() & AllSelfRef))
{
if (backSubsec.d->mappedVisFloor == thisPublic)
{
backSubsec.d->unlinkVisPlane(Sector::Floor);
}
if (backSubsec.d->mappedVisCeiling == thisPublic)
{
backSubsec.d->unlinkVisPlane(Sector::Ceiling);
}
}
}
}
// Permanent mappings won't be remapped.
return;
}
}
if (classification() & AllSelfRef)
return;
//
// Dynamic mapping may be needed for one or more planes.
//
// The sector must have open space.
if (self().sector().ceiling().height() <= self().sector().floor().height())
return;
bool doFloor = !floorIsMapped() && classification().testFlag(AllMissingBottom);
bool doCeiling = !ceilingIsMapped() && classification().testFlag(AllMissingTop);
if (!doFloor && !doCeiling)
return;
// Map "this" subsector to the first outer subsector found.
initBoundaryDataIfNeeded();
DE_ASSERT(boundaryData->outerLoop);
{
const ClEdgeLoop &loop = *boundaryData->outerLoop;
if (loop.hasBackSubsector())
{
auto &backSubsec = loop.backSubsector().as<Subsector>();
SubsectorCirculator it(&loop.first());
do
{
if (it->hasMapElement()) // BSP errors may fool the circulator wrt interior edges -ds
{
if (doFloor && !floorIsMapped()
&& !backSubsec.hasSkyFloor()
&& backSubsec.visFloor().height() > self().sector().floor().height())
{
map(Sector::Floor, &backSubsec);
if (!doCeiling) break;
}
if (doCeiling && !ceilingIsMapped()
&& !backSubsec.hasSkyCeiling()
&& backSubsec.visCeiling().height() < self().sector().ceiling().height())
{
map(Sector::Ceiling, &backSubsec);
if (!doFloor) break;
}
}
} while (&it.next() != &loop.first());
}
}
if (!floorIsMapped() && !ceilingIsMapped())
return;
// Clear mappings for all inner subsectors to force re-evaluation (which
// may in turn lead to their inner subsectors being re-evaluated, producing
// a "ripple effect" that will remap any deeply nested dependents).
for (const ClEdgeLoop *loop : boundaryData->innerLoops)
{
if (loop->hasBackSubsector())
{
auto &backSubsec = loop->backSubsector().as<Subsector>();
SubsectorCirculator it(&loop->first());
do
{
if (it->hasMapElement() // BSP errors may fool the circulator wrt interior edges -ds
&& !(backSubsec.d->classification() & NeverMapped))
{
if (doFloor && floorIsMapped()
&& backSubsec.visFloor().height() >= self().sector().floor().height())
{
backSubsec.d->unlinkVisPlane(Sector::Floor);
}
if (doCeiling && ceilingIsMapped()
&& backSubsec.visCeiling().height() <= self().sector().ceiling().height())
{
backSubsec.d->unlinkVisPlane(Sector::Ceiling);
}
}
} while (&it.next() != &loop->first());
}
}
}
#endif
#if 0
void updateBiasForWallSectionsAfterGeometryMove(HEdge *hedge)
{
if (!hedge) return;
if (!hedge->hasMapElement()) return;
MapElement *mapElement = &hedge->mapElement();
if (Shard *shard = self().findShard(*mapElement, LineSide::Middle))
{
shard->updateBiasAfterMove();
}
if (Shard *shard = self().findShard(*mapElement, LineSide::Bottom))
{
shard->updateBiasAfterMove();
}
if (Shard *shard = self().findShard(*mapElement, LineSide::Top))
{
shard->updateBiasAfterMove();
}
}
#endif
#if 0
/**
* Find the GeometryData for a MapElement by the element-unique @a group identifier.
*
* @param geomId Geometry identifier.
*
* @param canAlloc @c true= to allocate if no data exists. Note that the number of
* vertices in the fan geometry must be known at this time.
*/
GeometryData *geomData(MapElement &mapElement, int geomId, bool canAlloc = false)
{
auto foundGroup = geomGroups.find(&mapElement);
if (foundGroup != geomGroups.end())
{
Shards &shards = foundGroup->second;
auto found = shards.find(geomId);
if (found != shards.end())
{
return found->second;
}
}
if (!canAlloc) return nullptr;
if (foundGroup == geomGroups.end())
{
foundGroup = geomGroups.insert(&mapElement, Shards());
}
return foundGroup->second.insert(geomId, new GeometryData(&mapElement, geomId))->second;
}
/**
* Find the GeometryData for the given @a shard.
*/
GeometryData *geomDataForShard(Shard *shard)
{
if (shard && shard->subsector() == thisPublic)
{
auto found = shardToGeomData.find(shard);
if (found != shardToGeomData.end()) return *found;
}
return nullptr;
}
#endif
void addReverbSubspace(ConvexSubspace *subspace)
{
if (!subspace) return;
reverbSubspaces.insert(subspace);
}
/**
* Perform environmental audio (reverb) initialization.
*
* Determines the subspaces which contribute to the environmental audio
* characteristics. Given that subspaces do not change shape (on the XY plane,
* that is), they do not move and are not created/destroyed once the map has
* been loaded; this step can be pre-processed.
*
* @pre The Map's BSP leaf blockmap must be ready for use.
*/
void findReverbSubspaces()
{
const Map &map = self().sector().map().as<Map>();
AABoxd box = self().bounds();
box.minX -= 128;
box.minY -= 128;
box.maxX += 128;
box.maxY += 128;
// Link all convex subspaces whose axis-aligned bounding box intersects
// with the affection bounds to the reverb set.
const int localValidCount = ++World::validCount;
map.subspaceBlockmap().forAllInBox(box, [this, &box, &localValidCount] (void *object)
{
auto &sub = *(ConvexSubspace *)object;
if (sub.validCount() != localValidCount) // not yet processed
{
sub.setValidCount(localValidCount);
// Check the bounds.
const AABoxd &polyBounds = sub.poly().bounds();
if (!( polyBounds.maxX < box.minX
|| polyBounds.minX > box.maxX
|| polyBounds.minY > box.maxY
|| polyBounds.maxY < box.minY))
{
addReverbSubspace(&sub);
}
}
return LoopContinue;
});
}
/**
* Recalculate environmental audio (reverb) for the sector.
*/
void updateReverb()
{
// Need to initialize?
if (reverbSubspaces.isEmpty())
{
findReverbSubspaces();
}
needReverbUpdate = false;
duint spaceVolume = int((self().visCeiling().height() - self().visFloor().height())
* self().roughArea());
reverb.reset();
for (ConvexSubspace *subspace : reverbSubspaces)
{
if (subspace->updateAudioEnvironment())
{
const auto &aenv = subspace->audioEnvironment();
reverb.space += aenv.space;
reverb.volume += aenv.volume / 255.0f * aenv.space;
reverb.decay += aenv.decay / 255.0f * aenv.space;
reverb.damping += aenv.damping / 255.0f * aenv.space;
}
}
float spaceScatter;
if (reverb.space)
{
spaceScatter = spaceVolume / reverb.space;
// These three are weighted by the space.
reverb.volume /= reverb.space;
reverb.decay /= reverb.space;
reverb.damping /= reverb.space;
}
else
{
spaceScatter = 0;
reverb.volume = .2f;
reverb.decay = .4f;
reverb.damping = 1;
}
// If the space is scattered, the reverb effect lessens.
reverb.space /= (spaceScatter > .8 ? 10 : spaceScatter > .6 ? 4 : 1);
// Normalize the reverb space [0..1]
// 0= very small
// .99= very large
// 1.0= only for open areas (special case).
reverb.space /= 120e6;
if (reverb.space > .99)
reverb.space = .99f;
if (self().hasSkyPlane())
{
// An "exterior" space.
// It can still be small, in which case; reverb is diminished a bit.
if (reverb.space > .5)
reverb.volume = 1; // Full volume.
else
reverb.volume = .5f; // Small, but still open.
reverb.space = 1;
}
else
{
// An "interior" space.
// Large spaces have automatically a bit more audible reverb.
reverb.volume += reverb.space / 4;
}
if (reverb.volume > 1)
reverb.volume = 1;
}
bool prepareGeometry(Surface &surface, Vec3d &topLeft, Vec3d &bottomRight,
Vec2f &materialOrigin) const
{
if (surface.parent().type() == DMU_SIDE)
{
auto &side = surface.parent().as<LineSide>();
int section = &side.middle() == &surface ? LineSide::Middle
: &side.bottom() == &surface ? LineSide::Bottom
: LineSide::Top;
if (!side.hasSections()) return false;
HEdge *leftHEdge = side.leftHEdge();
HEdge *rightHEdge = side.rightHEdge();
if (!leftHEdge || !rightHEdge) return false;
// Is the wall section potentially visible?
const WallSpec wallSpec = WallSpec::fromMapSide(side, section);
WallEdge leftEdge(wallSpec, *leftHEdge, Line::From);
WallEdge rightEdge(wallSpec, *rightHEdge, Line::To);
if (!leftEdge.isValid() || !rightEdge.isValid()
|| de::fequal(leftEdge.bottom().z(), rightEdge.top().z()))
return false;
topLeft = leftEdge.top().origin();
bottomRight = rightEdge.bottom().origin();
materialOrigin = -leftEdge.materialOrigin();
return true;
}
if (surface.parent().type() == DMU_PLANE)
{
auto &plane = surface.parent().as<Plane>();
const AABoxd §orBounds = plane.sector().bounds();
topLeft = Vec3d(sectorBounds.minX,
plane.isSectorFloor() ? sectorBounds.maxY : sectorBounds.minY,
plane.heightSmoothed());
bottomRight = Vec3d(sectorBounds.maxX,
plane.isSectorFloor() ? sectorBounds.minY : sectorBounds.maxY,
plane.heightSmoothed());
materialOrigin = Vec2f(-fmod(sectorBounds.minX, 64), -fmod(sectorBounds.minY, 64))
- surface.originSmoothed();
return true;
}
return false;
}
void projectDecorations(Surface &suf, MaterialAnimator &matAnimator,
const Vec2f &materialOrigin, const Vec3d &topLeft,
const Vec3d &bottomRight)
{
Vec3d delta = bottomRight - topLeft;
if (de::fequal(delta.length(), 0)) return;
ClientMaterial &material = matAnimator.material();
const int axis = suf.normal().maxAxis();
Vec2d sufDimensions;
if (axis == 0 || axis == 1)
{
sufDimensions.x = std::sqrt(de::squared(delta.x) + de::squared(delta.y));
sufDimensions.y = delta.z;