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r_world.cpp
1046 lines (882 loc) · 33.5 KB
/
r_world.cpp
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/** @file r_world.cpp World Setup/Refresh.
*
* @authors Copyright © 2003-2013 Jaakko Keränen <jaakko.keranen@iki.fi>
* @authors Copyright © 2006-2013 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 <cmath>
#include <cstdlib>
#include <cstring>
#include "de_base.h"
#include "de_console.h"
#include "de_system.h"
#include "de_network.h"
#include "de_play.h"
#include "de_render.h"
#include "de_graphics.h"
#include "de_audio.h"
#include "de_misc.h"
#include "map/lineowner.h"
#include "Plane"
#ifdef __CLIENT__
# include "MaterialSnapshot"
# include "MaterialVariantSpec"
#endif
#include <de/Observers>
using namespace de;
float rendLightWallAngle = 1.2f; // Intensity of angle-based wall lighting.
byte rendLightWallAngleSmooth = true;
float rendSkyLight = .2f; // Intensity factor.
byte rendSkyLightAuto = true;
boolean firstFrameAfterLoad;
boolean ddMapSetup;
/// Notified when the current map changes.
MapChangeAudience audienceForMapChange;
/**
* @return Lineowner for this line for this vertex; otherwise @c 0.
*/
LineOwner *R_GetVtxLineOwner(Vertex const *v, Line const *line)
{
if(v == &line->from())
return line->v1Owner();
if(v == &line->to())
return line->v2Owner();
return 0;
}
#undef R_SetupFog
DENG_EXTERN_C void R_SetupFog(float start, float end, float density, float *rgb)
{
Con_Execute(CMDS_DDAY, "fog on", true, false);
Con_Executef(CMDS_DDAY, true, "fog start %f", start);
Con_Executef(CMDS_DDAY, true, "fog end %f", end);
Con_Executef(CMDS_DDAY, true, "fog density %f", density);
Con_Executef(CMDS_DDAY, true, "fog color %.0f %.0f %.0f",
rgb[0] * 255, rgb[1] * 255, rgb[2] * 255);
}
#undef R_SetupFogDefaults
DENG_EXTERN_C void R_SetupFogDefaults()
{
// Go with the defaults.
Con_Execute(CMDS_DDAY,"fog off", true, false);
}
void R_SideSectionCoords(Line::Side const &side, int section,
Sector const *frontSec, Sector const *backSec,
coord_t *retBottom, coord_t *retTop, Vector2f *retMaterialOrigin)
{
Line const &line = side.line();
bool const unpegBottom = (line.flags() & DDLF_DONTPEGBOTTOM) != 0;
bool const unpegTop = (line.flags() & DDLF_DONTPEGTOP) != 0;
coord_t bottom = 0, top = 0; // Shutup compiler.
// Single sided?
if(!frontSec || !backSec || !side.back().hasSections()/*front side of a "window"*/)
{
bottom = frontSec->floor().visHeight();
top = frontSec->ceiling().visHeight();
if(retMaterialOrigin)
{
*retMaterialOrigin = side.middle().visMaterialOrigin();
if(unpegBottom)
{
retMaterialOrigin->y -= top - bottom;
}
}
}
else
{
bool const stretchMiddle = side.isFlagged(SDF_MIDDLE_STRETCH);
Surface const *surface = &side.surface(section);
Plane const *ffloor = &frontSec->floor();
Plane const *fceil = &frontSec->ceiling();
Plane const *bfloor = &backSec->floor();
Plane const *bceil = &backSec->ceiling();
switch(section)
{
case Line::Side::Top:
// Can't go over front ceiling (would induce geometry flaws).
if(bceil->visHeight() < ffloor->visHeight())
bottom = ffloor->visHeight();
else
bottom = bceil->visHeight();
top = fceil->visHeight();
if(retMaterialOrigin)
{
*retMaterialOrigin = surface->visMaterialOrigin();
if(!unpegTop)
{
// Align with normal middle texture.
retMaterialOrigin->y -= fceil->visHeight() - bceil->visHeight();
}
}
break;
case Line::Side::Bottom: {
bool const raiseToBackFloor = (fceil->surface().hasSkyMaskedMaterial() && bceil->surface().hasSkyMaskedMaterial() &&
fceil->visHeight() < bceil->visHeight() &&
bfloor->visHeight() > fceil->visHeight());
coord_t t = bfloor->visHeight();
bottom = ffloor->visHeight();
// Can't go over the back ceiling, would induce polygon flaws.
if(bfloor->visHeight() > bceil->visHeight())
t = bceil->visHeight();
// Can't go over front ceiling, would induce polygon flaws.
// In the special case of a sky masked upper we must extend the bottom
// section up to the height of the back floor.
if(t > fceil->visHeight() && !raiseToBackFloor)
t = fceil->visHeight();
top = t;
if(retMaterialOrigin)
{
*retMaterialOrigin = surface->visMaterialOrigin();
if(bfloor->visHeight() > fceil->visHeight())
{
retMaterialOrigin->y -= (raiseToBackFloor? t : fceil->visHeight()) - bfloor->visHeight();
}
if(unpegBottom)
{
// Align with normal middle texture.
retMaterialOrigin->y += (raiseToBackFloor? t : fceil->visHeight()) - bfloor->visHeight();
}
}
break; }
case Line::Side::Middle:
bottom = de::max(bfloor->visHeight(), ffloor->visHeight());
top = de::min(bceil->visHeight(), fceil->visHeight());
if(retMaterialOrigin)
{
retMaterialOrigin->x = surface->visMaterialOrigin().x;
retMaterialOrigin->y = 0;
}
if(surface->hasMaterial() && !stretchMiddle)
{
#ifdef __CLIENT__
bool const clipBottom = !(!(devRendSkyMode || P_IsInVoid(viewPlayer)) && ffloor->surface().hasSkyMaskedMaterial() && bfloor->surface().hasSkyMaskedMaterial());
bool const clipTop = !(!(devRendSkyMode || P_IsInVoid(viewPlayer)) && fceil->surface().hasSkyMaskedMaterial() && bceil->surface().hasSkyMaskedMaterial());
#else
bool const clipBottom = !(ffloor->surface().hasSkyMaskedMaterial() && bfloor->surface().hasSkyMaskedMaterial());
bool const clipTop = !(fceil->surface().hasSkyMaskedMaterial() && bceil->surface().hasSkyMaskedMaterial());
#endif
coord_t const openBottom = bottom;
coord_t const openTop = top;
int const matHeight = surface->material().height();
coord_t const matYOffset = surface->visMaterialOrigin()[VY];
if(openTop > openBottom)
{
if(unpegBottom)
{
bottom += matYOffset;
top = bottom + matHeight;
}
else
{
top += matYOffset;
bottom = top - matHeight;
}
if(retMaterialOrigin && top > openTop)
{
retMaterialOrigin->y = top - openTop;
}
// Clip it?
if(clipTop || clipBottom)
{
if(clipBottom && bottom < openBottom)
bottom = openBottom;
if(clipTop && top > openTop)
top = openTop;
}
if(retMaterialOrigin && !clipTop)
{
retMaterialOrigin->y = 0;
}
}
}
break;
}
}
if(retBottom) *retBottom = bottom;
if(retTop) *retTop = top;
}
coord_t R_OpenRange(Line::Side const &side, Sector const *frontSec,
Sector const *backSec, coord_t *retBottom, coord_t *retTop)
{
DENG_UNUSED(side); // Don't remove (present for API symmetry) -ds
DENG_ASSERT(frontSec != 0);
coord_t top;
if(backSec && backSec->ceiling().height() < frontSec->ceiling().height())
{
top = backSec->ceiling().height();
}
else
{
top = frontSec->ceiling().height();
}
coord_t bottom;
if(backSec && backSec->floor().height() > frontSec->floor().height())
{
bottom = backSec->floor().height();
}
else
{
bottom = frontSec->floor().height();
}
if(retBottom) *retBottom = bottom;
if(retTop) *retTop = top;
return top - bottom;
}
coord_t R_VisOpenRange(Line::Side const &side, Sector const *frontSec,
Sector const *backSec, coord_t *retBottom, coord_t *retTop)
{
DENG_UNUSED(side); // Don't remove (present for API symmetry) -ds
DENG_ASSERT(frontSec != 0);
coord_t top;
if(backSec && backSec->ceiling().visHeight() < frontSec->ceiling().visHeight())
{
top = backSec->ceiling().visHeight();
}
else
{
top = frontSec->ceiling().visHeight();
}
coord_t bottom;
if(backSec && backSec->floor().visHeight() > frontSec->floor().visHeight())
{
bottom = backSec->floor().visHeight();
}
else
{
bottom = frontSec->floor().visHeight();
}
if(retBottom) *retBottom = bottom;
if(retTop) *retTop = top;
return top - bottom;
}
#ifdef __CLIENT__
bool R_MiddleMaterialCoversOpening(Line::Side const &side,
Sector const *frontSec, Sector const *backSec, bool ignoreOpacity)
{
if(!frontSec) return false; // Never.
if(!side.hasSections()) return false;
if(!side.middle().hasMaterial()) return false;
// Ensure we have up to date info about the material.
MaterialSnapshot const &ms = side.middle().material().prepare(Rend_MapSurfaceMaterialSpec());
if(ignoreOpacity || (ms.isOpaque() && !side.middle().blendMode() && side.middle().opacity() >= 1))
{
coord_t openRange, openBottom, openTop;
// Stretched middles always cover the opening.
if(side.isFlagged(SDF_MIDDLE_STRETCH))
return true;
// Might the material cover the opening?
openRange = R_VisOpenRange(side, frontSec, backSec, &openBottom, &openTop);
if(ms.height() >= openRange)
{
// Possibly; check the placement.
coord_t bottom, top;
R_SideSectionCoords(side, Line::Side::Middle, frontSec, backSec, &bottom, &top);
if(top > bottom)
{
return (top >= openTop && bottom <= openBottom);
}
}
}
return false;
}
/**
* @param side Line::Side instance.
* @param ignoreOpacity @c true= do not consider Material opacity.
*
* @return @c true if this side is considered "closed" (i.e., there is no opening
* through which the relative back Sector can be seen). Tests consider all Planes
* which interface with this and the "middle" Material used on the "this" side.
*/
bool R_SideBackClosed(Line::Side const &side, bool ignoreOpacity)
{
if(!side.hasSections()) return false;
if(!side.back().hasSections()) return true;
if(side.line().isSelfReferencing()) return false; // Never.
if(side.hasSector() && side.back().hasSector())
{
Sector const &frontSec = side.sector();
Sector const &backSec = side.back().sector();
if(backSec.floor().visHeight() >= backSec.ceiling().visHeight()) return true;
if(backSec.ceiling().visHeight() <= frontSec.floor().visHeight()) return true;
if(backSec.floor().visHeight() >= frontSec.ceiling().visHeight()) return true;
}
return R_MiddleMaterialCoversOpening(side, ignoreOpacity);
}
Line *R_FindLineNeighbor(Sector const *sector, Line const *line,
LineOwner const *own, bool antiClockwise, binangle_t *diff)
{
LineOwner const *cown = antiClockwise? &own->prev() : &own->next();
Line *other = &cown->line();
if(other == line)
return 0;
if(diff) *diff += (antiClockwise? cown->angle() : own->angle());
if(!other->hasBackSections() || !other->isSelfReferencing())
{
if(sector) // Must one of the sectors match?
{
if(other->frontSectorPtr() == sector ||
(other->hasBackSections() && other->backSectorPtr() == sector))
return other;
}
else
{
return other;
}
}
// Not suitable, try the next.
return R_FindLineNeighbor(sector, line, cown, antiClockwise, diff);
}
Line *R_FindSolidLineNeighbor(Sector const *sector, Line const *line,
LineOwner const *own, bool antiClockwise, binangle_t *diff)
{
LineOwner const *cown = antiClockwise? &own->prev() : &own->next();
Line *other = &cown->line();
if(other == line) return 0;
if(diff) *diff += (antiClockwise? cown->angle() : own->angle());
if(!((other->isBspWindow()) && other->frontSectorPtr() != sector))
{
if(!other->hasFrontSections()) return other;
if(!other->hasBackSections()) return other;
if(!other->isSelfReferencing() &&
(other->frontSector().floor().visHeight() >= sector->ceiling().visHeight() ||
other->frontSector().ceiling().visHeight() <= sector->floor().visHeight() ||
other->backSector().floor().visHeight() >= sector->ceiling().visHeight() ||
other->backSector().ceiling().visHeight() <= sector->floor().visHeight() ||
other->backSector().ceiling().visHeight() <= other->backSector().floor().visHeight()))
return other;
// Both front and back MUST be open by this point.
// Check for mid texture which fills the gap between floor and ceiling.
// We should not give away the location of false walls (secrets).
int side = (other->frontSectorPtr() == sector? 0 : 1);
if(other->side(side).middle().hasMaterial())
{
float oFCeil = other->frontSector().ceiling().visHeight();
float oFFloor = other->frontSector().floor().visHeight();
float oBCeil = other->backSector().ceiling().visHeight();
float oBFloor = other->backSector().floor().visHeight();
if((side == 0 &&
((oBCeil > sector->floor().visHeight() &&
oBFloor <= sector->floor().visHeight()) ||
(oBFloor < sector->ceiling().visHeight() &&
oBCeil >= sector->ceiling().visHeight()) ||
(oBFloor < sector->ceiling().visHeight() &&
oBCeil > sector->floor().visHeight()))) ||
( /* side must be 1 */
((oFCeil > sector->floor().visHeight() &&
oFFloor <= sector->floor().visHeight()) ||
(oFFloor < sector->ceiling().visHeight() &&
oFCeil >= sector->ceiling().visHeight()) ||
(oFFloor < sector->ceiling().visHeight() &&
oFCeil > sector->floor().visHeight()))) )
{
if(!R_MiddleMaterialCoversOpening(other->side(side)))
return 0;
}
}
}
// Not suitable, try the next.
return R_FindSolidLineNeighbor(sector, line, cown, antiClockwise, diff);
}
Line *R_FindLineBackNeighbor(Sector const *sector, Line const *line,
LineOwner const *own, bool antiClockwise, binangle_t *diff)
{
LineOwner const *cown = antiClockwise? &own->prev() : &own->next();
Line *other = &cown->line();
if(other == line) return 0;
if(diff) *diff += (antiClockwise? cown->angle() : own->angle());
if(!other->hasBackSections() || !other->isSelfReferencing() || other->isBspWindow())
{
if(!(other->frontSectorPtr() == sector ||
(other->hasBackSections() && other->backSectorPtr() == sector)))
return other;
}
// Not suitable, try the next.
return R_FindLineBackNeighbor(sector, line, cown, antiClockwise, diff);
}
Line *R_FindLineAlignNeighbor(Sector const *sec, Line const *line,
LineOwner const *own, bool antiClockwise, int alignment)
{
int const SEP = 10;
LineOwner const *cown = antiClockwise? &own->prev() : &own->next();
Line *other = &cown->line();
binangle_t diff;
if(other == line)
return 0;
if(!other->isSelfReferencing())
{
diff = line->angle() - other->angle();
if(alignment < 0)
diff -= BANG_180;
if(other->frontSectorPtr() != sec)
diff -= BANG_180;
if(diff < SEP || diff > BANG_360 - SEP)
return other;
}
// Can't step over non-twosided lines.
if(!other->hasFrontSections() || !other->hasBackSections())
return 0;
// Not suitable, try the next.
return R_FindLineAlignNeighbor(sec, line, cown, antiClockwise, alignment);
}
#endif // __CLIENT__
static void resetAllMapPlaneVisHeights(GameMap &map)
{
foreach(Sector *sector, map.sectors())
foreach(Plane *plane, sector->planes())
{
plane->resetVisHeight();
}
}
static void resetAllMapSurfaceVisMaterialOrigins(GameMap &map)
{
foreach(Sector *sector, map.sectors())
foreach(Plane *plane, sector->planes())
{
plane->surface().resetVisMaterialOrigin();
}
foreach(Line *line, map.lines())
for(int i = 0; i < 2; ++i)
{
if(!line->hasSections(i))
continue;
Line::Side &side = line->side(i);
side.top().resetVisMaterialOrigin();
side.middle().resetVisMaterialOrigin();
side.bottom().resetVisMaterialOrigin();
}
}
#ifdef __CLIENT__
/**
* Given a side section, look at the neighbouring surfaces and pick the
* best choice of material used on those surfaces to be applied to "this"
* surface.
*
* Material on back neighbour plane has priority.
* Non-animated materials are preferred.
* Sky materials are ignored.
*/
static Material *chooseFixMaterial(Line::Side &side, int section)
{
Material *choice1 = 0, *choice2 = 0;
Sector *frontSec = side.sectorPtr();
Sector *backSec = side.back().hasSections()? side.back().sectorPtr() : 0;
if(backSec)
{
// Our first choice is a material in the other sector.
if(section == Line::Side::Bottom)
{
if(frontSec->floor().height() < backSec->floor().height())
{
choice1 = backSec->floorSurface().materialPtr();
}
}
else if(section == Line::Side::Top)
{
if(frontSec->ceiling().height() > backSec->ceiling().height())
{
choice1 = backSec->ceilingSurface().materialPtr();
}
}
// In the special case of sky mask on the back plane, our best
// choice is always this material.
if(choice1 && choice1->isSkyMasked())
{
return choice1;
}
}
else
{
// Our first choice is a material on an adjacent wall section.
// Try the left neighbor first.
Line *other = R_FindLineNeighbor(frontSec, &side.line(), side.line().vertexOwner(side.lineSideId()),
false /*next clockwise*/);
if(!other)
// Try the right neighbor.
other = R_FindLineNeighbor(frontSec, &side.line(), side.line().vertexOwner(side.lineSideId()^1),
true /*next anti-clockwise*/);
if(other)
{
if(!other->hasBackSections())
{
// Our choice is clear - the middle material.
choice1 = other->front().middle().materialPtr();
}
else
{
// Compare the relative heights to decide.
Line::Side &otherSide = other->side(&other->frontSector() == frontSec? Line::Front : Line::Back);
Sector &otherSec = other->sector(&other->frontSector() == frontSec? Line::Back : Line::Front);
if(otherSec.ceiling().height() <= frontSec->floor().height())
choice1 = otherSide.top().materialPtr();
else if(otherSec.floor().height() >= frontSec->ceiling().height())
choice1 = otherSide.bottom().materialPtr();
else if(otherSec.ceiling().height() < frontSec->ceiling().height())
choice1 = otherSide.top().materialPtr();
else if(otherSec.floor().height() > frontSec->floor().height())
choice1 = otherSide.bottom().materialPtr();
// else we'll settle for a plane material.
}
}
}
// Our second choice is a material from this sector.
choice2 = frontSec->planeSurface(section == Line::Side::Bottom? Plane::Floor : Plane::Ceiling).materialPtr();
// Prefer a non-animated, non-masked material.
if(choice1 && !choice1->isAnimated() && !choice1->isSkyMasked())
return choice1;
if(choice2 && !choice2->isAnimated() && !choice2->isSkyMasked())
return choice2;
// Prefer a non-masked material.
if(choice1 && !choice1->isSkyMasked())
return choice1;
if(choice2 && !choice2->isSkyMasked())
return choice2;
// At this point we'll accept anything if it means avoiding HOM.
if(choice1) return choice1;
if(choice2) return choice2;
// We'll assign the special "missing" material...
return &App_Materials().find(de::Uri("System", Path("missing"))).material();
}
static void addMissingMaterial(Line::Side &side, int section)
{
// Sides without sections need no fixing.
if(!side.hasSections()) return;
// ...nor those of self-referencing lines.
if(side.line().isSelfReferencing()) return;
// ...nor those of "one-way window" lines.
if(!side.back().hasSections() && side.back().hasSector()) return;
// A material must actually be missing to qualify for fixing.
Surface &surface = side.surface(section);
if(surface.hasMaterial()) return;
// Look for and apply a suitable replacement if found.
surface.setMaterial(chooseFixMaterial(side, section), true/* is missing fix */);
// During map load we log missing materials.
if(ddMapSetup && verbose)
{
String path = surface.hasMaterial()? surface.material().manifest().composeUri().asText() : "<null>";
LOG_WARNING("%s of Line #%d is missing a material for the %s section.\n"
" %s was chosen to complete the definition.")
<< (side.isBack()? "Back" : "Front") << side.line().indexInMap()
<< (section == Line::Side::Middle? "middle" : section == Line::Side::Top? "top" : "bottom")
<< path;
}
}
void R_UpdateMissingMaterialsForLinesOfSector(Sector const &sec)
{
foreach(Line *line, sec.lines())
{
/**
* Do as in the original Doom if the texture has not been defined -
* extend the floor/ceiling to fill the space (unless it is skymasked),
* or if there is a midtexture use that instead.
*/
if(line->hasBackSector())
{
Sector const &frontSec = line->frontSector();
Sector const &backSec = line->backSector();
// A potential bottom section fix?
if(!(frontSec.floorSurface().hasSkyMaskedMaterial() &&
backSec.floorSurface().hasSkyMaskedMaterial()))
{
if(frontSec.floor().height() < backSec.floor().height())
{
addMissingMaterial(line->front(), Line::Side::Bottom);
}
else if(frontSec.floor().height() > backSec.floor().height())
{
addMissingMaterial(line->back(), Line::Side::Bottom);
}
}
// A potential top section fix?
if(!(frontSec.ceilingSurface().hasSkyMaskedMaterial() &&
backSec.ceilingSurface().hasSkyMaskedMaterial()))
{
if(backSec.ceiling().height() < frontSec.ceiling().height())
{
addMissingMaterial(line->front(), Line::Side::Top);
}
else if(backSec.ceiling().height() > frontSec.ceiling().height())
{
addMissingMaterial(line->back(), Line::Side::Top);
}
}
}
else
{
// A potential middle section fix.
addMissingMaterial(line->front(), Line::Side::Middle);
}
}
}
#endif // __CLIENT__
static void updateAllMapSectors(GameMap &map)
{
foreach(Sector *sector, map.sectors())
{
sector->updateSoundEmitterOrigin();
#ifdef __CLIENT__
R_UpdateMissingMaterialsForLinesOfSector(*sector);
S_MarkSectorReverbDirty(sector);
#endif
}
}
#undef R_SetupMap
DENG_EXTERN_C void R_SetupMap(int mode, int flags)
{
DENG_UNUSED(flags);
switch(mode)
{
case DDSMM_INITIALIZE:
// A new map is about to be setup.
ddMapSetup = true;
#ifdef __CLIENT__
App_Materials().purgeCacheQueue();
#endif
return;
case DDSMM_AFTER_LOADING:
DENG_ASSERT(theMap);
// Update everything again. Its possible that after loading we
// now have more HOMs to fix, etc..
theMap->initSkyFix();
updateAllMapSectors(*theMap);
resetAllMapPlaneVisHeights(*theMap);
resetAllMapSurfaceVisMaterialOrigins(*theMap);
theMap->initPolyobjs();
DD_ResetTimer();
return;
case DDSMM_FINALIZE: {
DENG_ASSERT(theMap);
if(gameTime > 20000000 / TICSPERSEC)
{
// In very long-running games, gameTime will become so large that it cannot be
// accurately converted to 35 Hz integer tics. Thus it needs to be reset back
// to zero.
gameTime = 0;
}
// We are now finished with the map entity db.
EntityDatabase_Delete(theMap->entityDatabase);
#ifdef __SERVER__
// Init server data.
Sv_InitPools();
#endif
#ifdef __CLIENT__
// Recalculate the light range mod matrix.
Rend_CalcLightModRange();
#endif
theMap->initPolyobjs();
P_MapSpawnPlaneParticleGens();
updateAllMapSectors(*theMap);
resetAllMapPlaneVisHeights(*theMap);
resetAllMapSurfaceVisMaterialOrigins(*theMap);
#ifdef __CLIENT__
theMap->buildSurfaceLists();
float startTime = Timer_Seconds();
Rend_CacheForMap();
App_Materials().processCacheQueue();
VERBOSE( Con_Message("Precaching took %.2f seconds.", Timer_Seconds() - startTime) )
#endif
S_SetupForChangedMap();
// Map setup has been completed.
// Run any commands specified in Map Info.
de::Uri mapUri = theMap->uri();
ded_mapinfo_t *mapInfo = Def_GetMapInfo(reinterpret_cast<uri_s *>(&mapUri));
if(mapInfo && mapInfo->execute)
{
Con_Execute(CMDS_SCRIPT, mapInfo->execute, true, false);
}
// Run the special map setup command, which the user may alias to do something useful.
String cmd = "init-" + mapUri.resolved();
if(Con_IsValidCommand(cmd.toUtf8().constData()))
{
Con_Executef(CMDS_SCRIPT, false, "%s", cmd.toUtf8().constData());
}
#ifdef __CLIENT__
// Clear any input events that might have accumulated during the
// setup period.
DD_ClearEvents();
#endif
// Now that the setup is done, let's reset the tictimer so it'll
// appear that no time has passed during the setup.
DD_ResetTimer();
// Kill all local commands and determine the invoid status of players.
for(int i = 0; i < DDMAXPLAYERS; ++i)
{
player_t *plr = &ddPlayers[i];
ddplayer_t *ddpl = &plr->shared;
//clients[i].numTics = 0;
// Determine if the player is in the void.
ddpl->inVoid = true;
if(ddpl->mo)
{
BspLeaf *bspLeaf = theMap->bspLeafAtPoint(ddpl->mo->origin);
if(bspLeaf)
{
/// @todo $nplanes
if(ddpl->mo->origin[VZ] >= bspLeaf->sector().floor().visHeight() &&
ddpl->mo->origin[VZ] < bspLeaf->sector().ceiling().visHeight() - 4)
{
ddpl->inVoid = false;
}
}
}
}
// Reset the map tick timer.
ddMapTime = 0;
// We've finished setting up the map.
ddMapSetup = false;
// Inform the timing system to suspend the starting of the clock.
firstFrameAfterLoad = true;
DENG2_FOR_AUDIENCE(MapChange, i) i->currentMapChanged();
Z_PrintStatus();
return; }
default:
Con_Error("R_SetupMap: Unknown setup mode %i", mode);
exit(1); // Unreachable.
}
}
void R_ClearSectorFlags()
{
if(!theMap) return;
foreach(Sector *sector, theMap->sectors())
{
// Clear all flags that can be cleared before each frame.
sector->_frameFlags &= ~SIF_FRAME_CLEAR;
}
}
float R_GlowStrength(Plane const *plane)
{
#ifdef __CLIENT__
Surface const &surface = plane->surface();
if(surface.hasMaterial() && glowFactor > .0001f)
{
if(surface.material().isDrawable() && !surface.hasSkyMaskedMaterial())
{
MaterialSnapshot const &ms = surface.material().prepare(Rend_MapSurfaceMaterialSpec());
float glowStrength = ms.glowStrength() * glowFactor; // Global scale factor.
return glowStrength;
}
}
#else
DENG_UNUSED(plane);
#endif
return 0;
}
/**
* Does the specified sector contain any sky surface planes?
*
* @return @c true, if one or more plane surfaces in the given sector use
* a sky-masked material.
*/
boolean R_SectorContainsSkySurfaces(Sector const *sec)
{
DENG_ASSERT(sec);
boolean sectorContainsSkySurfaces = false;
int n = 0;
do
{
if(sec->planeSurface(n).hasSkyMaskedMaterial())
sectorContainsSkySurfaces = true;
else
n++;
} while(!sectorContainsSkySurfaces && n < sec->planeCount());
return sectorContainsSkySurfaces;
}
void R_UpdateSector(Sector §or, bool forceUpdate)
{
#ifdef __CLIENT__
// Check if there are any lightlevel or color changes.
if(forceUpdate ||
(sector._lightLevel != sector._oldLightLevel ||
sector._lightColor[0] != sector._oldLightColor[0] ||
sector._lightColor[1] != sector._oldLightColor[1] ||
sector._lightColor[2] != sector._oldLightColor[2]))
{
sector._frameFlags |= SIF_LIGHT_CHANGED;
sector._oldLightLevel = sector._lightLevel;
sector._oldLightColor = sector._lightColor;
LG_SectorChanged(§or);
}
else
{
sector._frameFlags &= ~SIF_LIGHT_CHANGED;
}
#endif
}
#ifdef __CLIENT__
/**
* The DOOM lighting model applies distance attenuation to sector light
* levels.
*
* @param distToViewer Distance from the viewer to this object.
* @param lightLevel Sector lightLevel at this object's origin.
* @return The specified lightLevel plus any attentuation.
*/
float R_DistAttenuateLightLevel(float distToViewer, float lightLevel)
{
if(distToViewer > 0 && rendLightDistanceAttenuation > 0)
{
float real = lightLevel -
(distToViewer - 32) / rendLightDistanceAttenuation *
(1 - lightLevel);
float minimum = lightLevel * lightLevel + (lightLevel - .63f) * .5f;
if(real < minimum)
real = minimum; // Clamp it.
return real;
}
return lightLevel;
}
#endif // __CLIENT__
float R_ExtraLightDelta()
{
return extraLightDelta;
}
float R_CheckSectorLight(float lightlevel, float min, float max)
{