void RenderPolyPlane::Render3DFloor(const TriMatrix &worldToClip, subsector_t *sub, uint32_t subsectorDepth, bool ceiling, F3DFloor *fakeFloor)
{
FTextureID picnum = ceiling ? *fakeFloor->bottom.texture : *fakeFloor->top.texture;
FTexture *tex = TexMan(picnum);
if (tex->UseType == FTexture::TEX_Null)
return;
int lightlevel = 255;
if (fixedlightlev < 0 && sub->sector->e->XFloor.lightlist.Size())
{
lightlist_t *light = P_GetPlaneLight(sub->sector, &sub->sector->ceilingplane, false);
basecolormap = light->extra_colormap;
lightlevel = *light->p_lightlevel;
}
TriUniforms uniforms;
uniforms.light = (uint32_t)(lightlevel / 255.0f * 256.0f);
if (fixedlightlev >= 0 || fixedcolormap)
uniforms.light = 256;
uniforms.flags = 0;
uniforms.subsectorDepth = subsectorDepth;
TriVertex *vertices = PolyVertexBuffer::GetVertices(sub->numlines);
if (!vertices)
return;
if (ceiling)
{
for (uint32_t i = 0; i < sub->numlines; i++)
{
seg_t *line = &sub->firstline[i];
vertices[sub->numlines - 1 - i] = PlaneVertex(line->v1, fakeFloor->bottom.plane->ZatPoint(line->v1));
}
}
else
{
for (uint32_t i = 0; i < sub->numlines; i++)
{
seg_t *line = &sub->firstline[i];
vertices[i] = PlaneVertex(line->v1, fakeFloor->top.plane->ZatPoint(line->v1));
}
}
PolyDrawArgs args;
args.uniforms = uniforms;
args.objectToClip = &worldToClip;
args.vinput = vertices;
args.vcount = sub->numlines;
args.mode = TriangleDrawMode::Fan;
args.ccw = true;
args.stenciltestvalue = 0;
args.stencilwritevalue = 1;
args.SetTexture(tex);
args.SetColormap(sub->sector->ColorMap);
PolyTriangleDrawer::draw(args, TriDrawVariant::DrawNormal, TriBlendMode::Copy);
PolyTriangleDrawer::draw(args, TriDrawVariant::Stencil, TriBlendMode::Copy);
}
void RenderPolyPlane::SetLightLevel(PolyRenderThread *thread, PolyDrawArgs &args, const PolyTransferHeights &fakeflat, bool ceiling)
{
bool foggy = level.fadeto || fakeflat.FrontSector->Colormap.FadeColor || (level.flags & LEVEL_HASFADETABLE);
int lightlevel = ceiling ? fakeflat.CeilingLightLevel : fakeflat.FloorLightLevel;
int actualextralight = foggy ? 0 : PolyRenderer::Instance()->Viewpoint.extralight << 4;
lightlevel = clamp(lightlevel + actualextralight, 0, 255);
PolyCameraLight *cameraLight = PolyCameraLight::Instance();
FDynamicColormap *basecolormap = GetColorTable(fakeflat.FrontSector->Colormap, fakeflat.FrontSector->SpecialColors[ceiling ? sector_t::ceiling : sector_t::floor]);
if (cameraLight->FixedLightLevel() < 0 && fakeflat.FrontSector->e && fakeflat.FrontSector->e->XFloor.lightlist.Size())
{
lightlist_t *light = P_GetPlaneLight(fakeflat.FrontSector, ceiling ? &fakeflat.FrontSector->ceilingplane : &fakeflat.FrontSector->floorplane, false);
basecolormap = GetColorTable(light->extra_colormap, fakeflat.FrontSector->SpecialColors[ceiling ? sector_t::ceiling : sector_t::floor]);
if (light->p_lightlevel != &fakeflat.FrontSector->lightlevel) // If this is the real ceiling, don't discard plane lighting R_FakeFlat() accounted for.
{
lightlevel = *light->p_lightlevel;
}
}
args.SetLight(basecolormap, lightlevel, PolyRenderer::Instance()->Light.WallGlobVis(foggy), false);
}
void GLFlat::SetFrom3DFloor(F3DFloor *rover, bool top, bool underside)
{
F3DFloor::planeref & plane = top? rover->top : rover->bottom;
// FF_FOG requires an inverted logic where to get the light from
lightlist_t *light = P_GetPlaneLight(sector, plane.plane, underside);
lightlevel = *light->p_lightlevel;
if (rover->flags & FF_FOG) Colormap.LightColor = (light->extra_colormap)->Fade;
else Colormap.CopyLightColor(light->extra_colormap);
alpha = rover->alpha/255.0f;
renderstyle = rover->flags&FF_ADDITIVETRANS? STYLE_Add : STYLE_Translucent;
if (plane.model->VBOHeightcheck(plane.isceiling))
{
vboindex = plane.vindex;
}
else
{
vboindex = -1;
}
}
void Render3DFloorPlane::Render(PolyRenderThread *thread, const TriMatrix &worldToClip, const PolyClipPlane &clipPlane)
{
FTextureID picnum = ceiling ? *fakeFloor->bottom.texture : *fakeFloor->top.texture;
FTexture *tex = TexMan(picnum);
if (tex->UseType == FTexture::TEX_Null)
return;
PolyCameraLight *cameraLight = PolyCameraLight::Instance();
int lightlevel = 255;
bool foggy = false;
if (cameraLight->FixedLightLevel() < 0 && sub->sector->e->XFloor.lightlist.Size())
{
lightlist_t *light = P_GetPlaneLight(sub->sector, &sub->sector->ceilingplane, false);
//basecolormap = light->extra_colormap;
lightlevel = *light->p_lightlevel;
}
int actualextralight = foggy ? 0 : PolyRenderer::Instance()->Viewpoint.extralight << 4;
lightlevel = clamp(lightlevel + actualextralight, 0, 255);
PolyPlaneUVTransform xform(ceiling ? fakeFloor->top.model->planes[sector_t::ceiling].xform : fakeFloor->top.model->planes[sector_t::floor].xform, tex);
TriVertex *vertices = thread->FrameMemory->AllocMemory<TriVertex>(sub->numlines);
if (ceiling)
{
for (uint32_t i = 0; i < sub->numlines; i++)
{
seg_t *line = &sub->firstline[i];
vertices[sub->numlines - 1 - i] = xform.GetVertex(line->v1, fakeFloor->bottom.plane->ZatPoint(line->v1));
}
}
else
{
for (uint32_t i = 0; i < sub->numlines; i++)
{
seg_t *line = &sub->firstline[i];
vertices[i] = xform.GetVertex(line->v1, fakeFloor->top.plane->ZatPoint(line->v1));
}
}
PolyDrawArgs args;
args.SetLight(GetColorTable(sub->sector->Colormap), lightlevel, PolyRenderer::Instance()->Light.WallGlobVis(foggy), false);
args.SetTransform(&worldToClip);
if (!Masked)
{
args.SetStyle(TriBlendMode::TextureOpaque);
}
else
{
double srcalpha = MIN(Alpha, 1.0);
double destalpha = Additive ? 1.0 : 1.0 - srcalpha;
args.SetStyle(TriBlendMode::TextureAdd, srcalpha, destalpha);
args.SetDepthTest(true);
args.SetWriteDepth(true);
args.SetWriteStencil(false);
}
args.SetFaceCullCCW(true);
args.SetStencilTestValue(stencilValue);
args.SetWriteStencil(true, stencilValue + 1);
args.SetTexture(tex);
args.SetClipPlane(0, clipPlane);
args.DrawArray(thread, vertices, sub->numlines, PolyDrawMode::TriangleFan);
}
void GLFlat::ProcessSector(sector_t * frontsector)
{
lightlist_t * light;
#ifdef _DEBUG
if (frontsector->sectornum==gl_breaksec)
{
int a = 0;
}
#endif
// Get the real sector for this one.
sector=§ors[frontsector->sectornum];
extsector_t::xfloor &x = sector->e->XFloor;
this->sub=NULL;
dynlightindex = -1;
byte &srf = gl_drawinfo->sectorrenderflags[sector->sectornum];
//
//
//
// do floors
//
//
//
if (frontsector->floorplane.ZatPoint(FIXED2FLOAT(viewx), FIXED2FLOAT(viewy)) <= FIXED2FLOAT(viewz))
{
// process the original floor first.
srf |= SSRF_RENDERFLOOR;
lightlevel = gl_ClampLight(frontsector->GetFloorLight());
Colormap=frontsector->ColorMap;
if ((stack = (frontsector->portals[sector_t::floor] != NULL)))
{
gl_drawinfo->AddFloorStack(sector);
alpha = frontsector->GetAlpha(sector_t::floor)/65536.0f;
}
else
{
alpha = 1.0f-frontsector->GetReflect(sector_t::floor);
}
if (frontsector->VBOHeightcheck(sector_t::floor))
{
vboindex = frontsector->vboindex[sector_t::floor];
}
else
{
vboindex = -1;
}
ceiling=false;
renderflags=SSRF_RENDERFLOOR;
if (x.ffloors.Size())
{
light = P_GetPlaneLight(sector, &frontsector->floorplane, false);
if ((!(sector->GetFlags(sector_t::floor)&PLANEF_ABSLIGHTING) || !light->fromsector)
&& (light->p_lightlevel != &frontsector->lightlevel))
{
lightlevel = *light->p_lightlevel;
}
Colormap.CopyLightColor(light->extra_colormap);
}
renderstyle = STYLE_Translucent;
if (alpha!=0.0f) Process(frontsector, false, false);
}
//
//
//
// do ceilings
//
//
//
if (frontsector->ceilingplane.ZatPoint(FIXED2FLOAT(viewx), FIXED2FLOAT(viewy)) >= FIXED2FLOAT(viewz))
{
// process the original ceiling first.
srf |= SSRF_RENDERCEILING;
lightlevel = gl_ClampLight(frontsector->GetCeilingLight());
Colormap=frontsector->ColorMap;
if ((stack = (frontsector->portals[sector_t::ceiling] != NULL)))
{
gl_drawinfo->AddCeilingStack(sector);
alpha = frontsector->GetAlpha(sector_t::ceiling)/65536.0f;
}
else
{
alpha = 1.0f-frontsector->GetReflect(sector_t::ceiling);
}
if (frontsector->VBOHeightcheck(sector_t::ceiling))
{
vboindex = frontsector->vboindex[sector_t::ceiling];
}
else
{
vboindex = -1;
}
ceiling=true;
renderflags=SSRF_RENDERCEILING;
if (x.ffloors.Size())
{
light = P_GetPlaneLight(sector, §or->ceilingplane, true);
if ((!(sector->GetFlags(sector_t::ceiling)&PLANEF_ABSLIGHTING))
&& (light->p_lightlevel != &frontsector->lightlevel))
{
lightlevel = *light->p_lightlevel;
}
Colormap.CopyLightColor(light->extra_colormap);
}
renderstyle = STYLE_Translucent;
if (alpha!=0.0f) Process(frontsector, true, false);
}
//
//
//
// do 3D floors
//
//
//
stack=false;
if (x.ffloors.Size())
{
player_t * player=players[consoleplayer].camera->player;
renderflags=SSRF_RENDER3DPLANES;
srf |= SSRF_RENDER3DPLANES;
// 3d-floors must not overlap!
fixed_t lastceilingheight=sector->CenterCeiling(); // render only in the range of the
fixed_t lastfloorheight=sector->CenterFloor(); // current sector part (if applicable)
F3DFloor * rover;
int k;
// floors are ordered now top to bottom so scanning the list for the best match
// is no longer necessary.
ceiling=true;
for(k=0;k<(int)x.ffloors.Size();k++)
{
rover=x.ffloors[k];
if ((rover->flags&(FF_EXISTS|FF_RENDERPLANES|FF_THISINSIDE))==(FF_EXISTS|FF_RENDERPLANES))
{
if (rover->flags&FF_FOG && gl_fixedcolormap) continue;
if (!rover->top.copied && rover->flags&(FF_INVERTPLANES|FF_BOTHPLANES))
{
fixed_t ff_top=rover->top.plane->ZatPoint(CenterSpot(sector));
if (ff_top<lastceilingheight)
{
if (FIXED2FLOAT(viewz) <= rover->top.plane->ZatPoint(FIXED2FLOAT(viewx), FIXED2FLOAT(viewy)))
{
SetFrom3DFloor(rover, true, !!(rover->flags&FF_FOG));
Colormap.FadeColor=frontsector->ColorMap->Fade;
Process(rover->top.model, rover->top.isceiling, !!(rover->flags&FF_FOG));
}
lastceilingheight=ff_top;
}
}
if (!rover->bottom.copied && !(rover->flags&FF_INVERTPLANES))
{
fixed_t ff_bottom=rover->bottom.plane->ZatPoint(CenterSpot(sector));
if (ff_bottom<lastceilingheight)
{
if (FIXED2FLOAT(viewz)<=rover->bottom.plane->ZatPoint(FIXED2FLOAT(viewx), FIXED2FLOAT(viewy)))
{
SetFrom3DFloor(rover, false, !(rover->flags&FF_FOG));
Colormap.FadeColor=frontsector->ColorMap->Fade;
Process(rover->bottom.model, rover->bottom.isceiling, !!(rover->flags&FF_FOG));
}
lastceilingheight=ff_bottom;
if (rover->alpha<255) lastceilingheight++;
}
}
}
}
ceiling=false;
for(k=x.ffloors.Size()-1;k>=0;k--)
{
rover=x.ffloors[k];
if ((rover->flags&(FF_EXISTS|FF_RENDERPLANES|FF_THISINSIDE))==(FF_EXISTS|FF_RENDERPLANES))
{
if (rover->flags&FF_FOG && gl_fixedcolormap) continue;
if (!rover->bottom.copied && rover->flags&(FF_INVERTPLANES|FF_BOTHPLANES))
{
fixed_t ff_bottom=rover->bottom.plane->ZatPoint(CenterSpot(sector));
if (ff_bottom>lastfloorheight || (rover->flags&FF_FIX))
{
if (FIXED2FLOAT(viewz) >= rover->bottom.plane->ZatPoint(FIXED2FLOAT(viewx), FIXED2FLOAT(viewy)))
{
SetFrom3DFloor(rover, false, !(rover->flags&FF_FOG));
Colormap.FadeColor=frontsector->ColorMap->Fade;
if (rover->flags&FF_FIX)
{
lightlevel = gl_ClampLight(rover->model->lightlevel);
Colormap = rover->GetColormap();
}
Process(rover->bottom.model, rover->bottom.isceiling, !!(rover->flags&FF_FOG));
}
lastfloorheight=ff_bottom;
}
}
if (!rover->top.copied && !(rover->flags&FF_INVERTPLANES))
{
fixed_t ff_top=rover->top.plane->ZatPoint(CenterSpot(sector));
if (ff_top>lastfloorheight)
{
if (FIXED2FLOAT(viewz) >= rover->top.plane->ZatPoint(FIXED2FLOAT(viewx), FIXED2FLOAT(viewy)))
{
SetFrom3DFloor(rover, true, !!(rover->flags&FF_FOG));
Colormap.FadeColor=frontsector->ColorMap->Fade;
Process(rover->top.model, rover->top.isceiling, !!(rover->flags&FF_FOG));
}
lastfloorheight=ff_top;
if (rover->alpha<255) lastfloorheight--;
}
}
}
}
}
}
//
// R_Subsector
// Determine floor/ceiling planes.
// Add sprites of things in sector.
// Draw one or more line segments.
//
void R_Subsector (subsector_t *sub)
{
int count;
seg_t* line;
sector_t tempsec; // killough 3/7/98: deep water hack
int floorlightlevel; // killough 3/16/98: set floor lightlevel
int ceilinglightlevel; // killough 4/11/98
bool outersubsector;
int fll, cll, position;
FSectorPortal *portal;
// kg3D - fake floor stuff
visplane_t *backupfp;
visplane_t *backupcp;
//secplane_t templane;
lightlist_t *light;
if (InSubsector != NULL)
{ // InSubsector is not NULL. This means we are rendering from a mini-BSP.
outersubsector = false;
}
else
{
outersubsector = true;
InSubsector = sub;
}
#ifdef RANGECHECK
if (outersubsector && sub - subsectors >= (ptrdiff_t)numsubsectors)
I_Error ("R_Subsector: ss %ti with numss = %i", sub - subsectors, numsubsectors);
#endif
assert(sub->sector != NULL);
if (sub->polys)
{ // Render the polyobjs in the subsector first
R_AddPolyobjs(sub);
if (outersubsector)
{
InSubsector = NULL;
}
return;
}
frontsector = sub->sector;
frontsector->MoreFlags |= SECF_DRAWN;
count = sub->numlines;
line = sub->firstline;
// killough 3/8/98, 4/4/98: Deep water / fake ceiling effect
frontsector = R_FakeFlat(frontsector, &tempsec, &floorlightlevel,
&ceilinglightlevel, false); // killough 4/11/98
fll = floorlightlevel;
cll = ceilinglightlevel;
// [RH] set foggy flag
foggy = level.fadeto || frontsector->ColorMap->Fade || (level.flags & LEVEL_HASFADETABLE);
r_actualextralight = foggy ? 0 : extralight << 4;
// kg3D - fake lights
if (fixedlightlev < 0 && frontsector->e && frontsector->e->XFloor.lightlist.Size())
{
light = P_GetPlaneLight(frontsector, &frontsector->ceilingplane, false);
basecolormap = light->extra_colormap;
// If this is the real ceiling, don't discard plane lighting R_FakeFlat()
// accounted for.
if (light->p_lightlevel != &frontsector->lightlevel)
{
ceilinglightlevel = *light->p_lightlevel;
}
}
else
{
basecolormap = frontsector->ColorMap;
}
portal = frontsector->ValidatePortal(sector_t::ceiling);
ceilingplane = frontsector->ceilingplane.PointOnSide(ViewPos) > 0 ||
frontsector->GetTexture(sector_t::ceiling) == skyflatnum ||
portal != NULL ||
(frontsector->heightsec &&
!(frontsector->heightsec->MoreFlags & SECF_IGNOREHEIGHTSEC) &&
frontsector->heightsec->GetTexture(sector_t::floor) == skyflatnum) ?
R_FindPlane(frontsector->ceilingplane, // killough 3/8/98
frontsector->GetTexture(sector_t::ceiling),
ceilinglightlevel + r_actualextralight, // killough 4/11/98
frontsector->GetAlpha(sector_t::ceiling),
!!(frontsector->GetFlags(sector_t::ceiling) & PLANEF_ADDITIVE),
frontsector->planes[sector_t::ceiling].xform,
frontsector->sky,
portal
) : NULL;
if (fixedlightlev < 0 && frontsector->e && frontsector->e->XFloor.lightlist.Size())
{
light = P_GetPlaneLight(frontsector, &frontsector->floorplane, false);
basecolormap = light->extra_colormap;
// If this is the real floor, don't discard plane lighting R_FakeFlat()
// accounted for.
if (light->p_lightlevel != &frontsector->lightlevel)
{
floorlightlevel = *light->p_lightlevel;
}
}
else
{
basecolormap = frontsector->ColorMap;
}
// killough 3/7/98: Add (x,y) offsets to flats, add deep water check
// killough 3/16/98: add floorlightlevel
// killough 10/98: add support for skies transferred from sidedefs
portal = frontsector->ValidatePortal(sector_t::floor);
floorplane = frontsector->floorplane.PointOnSide(ViewPos) > 0 || // killough 3/7/98
frontsector->GetTexture(sector_t::floor) == skyflatnum ||
portal != NULL ||
(frontsector->heightsec &&
!(frontsector->heightsec->MoreFlags & SECF_IGNOREHEIGHTSEC) &&
frontsector->heightsec->GetTexture(sector_t::ceiling) == skyflatnum) ?
R_FindPlane(frontsector->floorplane,
frontsector->GetTexture(sector_t::floor),
floorlightlevel + r_actualextralight, // killough 3/16/98
frontsector->GetAlpha(sector_t::floor),
!!(frontsector->GetFlags(sector_t::floor) & PLANEF_ADDITIVE),
frontsector->planes[sector_t::floor].xform,
frontsector->sky,
portal
) : NULL;
// kg3D - fake planes rendering
if (r_3dfloors && frontsector->e && frontsector->e->XFloor.ffloors.Size())
{
backupfp = floorplane;
backupcp = ceilingplane;
// first check all floors
for (int i = 0; i < (int)frontsector->e->XFloor.ffloors.Size(); i++)
{
fakeFloor = frontsector->e->XFloor.ffloors[i];
if (!(fakeFloor->flags & FF_EXISTS)) continue;
if (!fakeFloor->model) continue;
if (fakeFloor->bottom.plane->isSlope()) continue;
if (!(fakeFloor->flags & FF_NOSHADE) || (fakeFloor->flags & (FF_RENDERPLANES|FF_RENDERSIDES)))
{
R_3D_AddHeight(fakeFloor->top.plane, frontsector);
}
if (!(fakeFloor->flags & FF_RENDERPLANES)) continue;
if (fakeFloor->alpha == 0) continue;
if (fakeFloor->flags & FF_THISINSIDE && fakeFloor->flags & FF_INVERTSECTOR) continue;
fakeAlpha = MIN<fixed_t>(Scale(fakeFloor->alpha, OPAQUE, 255), OPAQUE);
if (fakeFloor->validcount != validcount)
{
fakeFloor->validcount = validcount;
R_3D_NewClip();
}
double fakeHeight = fakeFloor->top.plane->ZatPoint(frontsector->centerspot);
if (fakeHeight < ViewPos.Z &&
fakeHeight > frontsector->floorplane.ZatPoint(frontsector->centerspot))
{
fake3D = FAKE3D_FAKEFLOOR;
tempsec = *fakeFloor->model;
tempsec.floorplane = *fakeFloor->top.plane;
tempsec.ceilingplane = *fakeFloor->bottom.plane;
if (!(fakeFloor->flags & FF_THISINSIDE) && !(fakeFloor->flags & FF_INVERTSECTOR))
{
tempsec.SetTexture(sector_t::floor, tempsec.GetTexture(sector_t::ceiling));
position = sector_t::ceiling;
} else position = sector_t::floor;
frontsector = &tempsec;
if (fixedlightlev < 0 && sub->sector->e->XFloor.lightlist.Size())
{
light = P_GetPlaneLight(sub->sector, &frontsector->floorplane, false);
basecolormap = light->extra_colormap;
floorlightlevel = *light->p_lightlevel;
}
ceilingplane = NULL;
floorplane = R_FindPlane(frontsector->floorplane,
frontsector->GetTexture(sector_t::floor),
floorlightlevel + r_actualextralight, // killough 3/16/98
frontsector->GetAlpha(sector_t::floor),
!!(fakeFloor->flags & FF_ADDITIVETRANS),
frontsector->planes[position].xform,
frontsector->sky,
NULL);
R_FakeDrawLoop(sub);
fake3D = 0;
frontsector = sub->sector;
}
}
// and now ceilings
for (unsigned int i = 0; i < frontsector->e->XFloor.ffloors.Size(); i++)
{
fakeFloor = frontsector->e->XFloor.ffloors[i];
if (!(fakeFloor->flags & FF_EXISTS)) continue;
if (!fakeFloor->model) continue;
if (fakeFloor->top.plane->isSlope()) continue;
if (!(fakeFloor->flags & FF_NOSHADE) || (fakeFloor->flags & (FF_RENDERPLANES|FF_RENDERSIDES)))
{
R_3D_AddHeight(fakeFloor->bottom.plane, frontsector);
}
if (!(fakeFloor->flags & FF_RENDERPLANES)) continue;
if (fakeFloor->alpha == 0) continue;
if (!(fakeFloor->flags & FF_THISINSIDE) && (fakeFloor->flags & (FF_SWIMMABLE|FF_INVERTSECTOR)) == (FF_SWIMMABLE|FF_INVERTSECTOR)) continue;
fakeAlpha = MIN<fixed_t>(Scale(fakeFloor->alpha, OPAQUE, 255), OPAQUE);
if (fakeFloor->validcount != validcount)
{
fakeFloor->validcount = validcount;
R_3D_NewClip();
}
double fakeHeight = fakeFloor->bottom.plane->ZatPoint(frontsector->centerspot);
if (fakeHeight > ViewPos.Z &&
fakeHeight < frontsector->ceilingplane.ZatPoint(frontsector->centerspot))
{
fake3D = FAKE3D_FAKECEILING;
tempsec = *fakeFloor->model;
tempsec.floorplane = *fakeFloor->top.plane;
tempsec.ceilingplane = *fakeFloor->bottom.plane;
if ((!(fakeFloor->flags & FF_THISINSIDE) && !(fakeFloor->flags & FF_INVERTSECTOR)) ||
(fakeFloor->flags & FF_THISINSIDE && fakeFloor->flags & FF_INVERTSECTOR))
{
tempsec.SetTexture(sector_t::ceiling, tempsec.GetTexture(sector_t::floor));
position = sector_t::floor;
} else position = sector_t::ceiling;
frontsector = &tempsec;
tempsec.ceilingplane.ChangeHeight(-1 / 65536.);
if (fixedlightlev < 0 && sub->sector->e->XFloor.lightlist.Size())
{
light = P_GetPlaneLight(sub->sector, &frontsector->ceilingplane, false);
basecolormap = light->extra_colormap;
ceilinglightlevel = *light->p_lightlevel;
}
tempsec.ceilingplane.ChangeHeight(1 / 65536.);
floorplane = NULL;
ceilingplane = R_FindPlane(frontsector->ceilingplane, // killough 3/8/98
frontsector->GetTexture(sector_t::ceiling),
ceilinglightlevel + r_actualextralight, // killough 4/11/98
frontsector->GetAlpha(sector_t::ceiling),
!!(fakeFloor->flags & FF_ADDITIVETRANS),
frontsector->planes[position].xform,
frontsector->sky,
NULL);
R_FakeDrawLoop(sub);
fake3D = 0;
frontsector = sub->sector;
}
}
fakeFloor = NULL;
floorplane = backupfp;
ceilingplane = backupcp;
}
basecolormap = frontsector->ColorMap;
floorlightlevel = fll;
ceilinglightlevel = cll;
// killough 9/18/98: Fix underwater slowdown, by passing real sector
// instead of fake one. Improve sprite lighting by basing sprite
// lightlevels on floor & ceiling lightlevels in the surrounding area.
// [RH] Handle sprite lighting like Duke 3D: If the ceiling is a sky, sprites are lit by
// it, otherwise they are lit by the floor.
R_AddSprites (sub->sector, frontsector->GetTexture(sector_t::ceiling) == skyflatnum ?
ceilinglightlevel : floorlightlevel, FakeSide);
// [RH] Add particles
if ((unsigned int)(sub - subsectors) < (unsigned int)numsubsectors)
{ // Only do it for the main BSP.
int shade = LIGHT2SHADE((floorlightlevel + ceilinglightlevel)/2 + r_actualextralight);
for (WORD i = ParticlesInSubsec[(unsigned int)(sub-subsectors)]; i != NO_PARTICLE; i = Particles[i].snext)
{
R_ProjectParticle (Particles + i, subsectors[sub-subsectors].sector, shade, FakeSide);
}
}
count = sub->numlines;
line = sub->firstline;
while (count--)
{
if (!outersubsector || line->sidedef == NULL || !(line->sidedef->Flags & WALLF_POLYOBJ))
{
// kg3D - fake planes bounding calculation
if (r_3dfloors && line->backsector && frontsector->e && line->backsector->e->XFloor.ffloors.Size())
{
backupfp = floorplane;
backupcp = ceilingplane;
floorplane = NULL;
ceilingplane = NULL;
for (unsigned int i = 0; i < line->backsector->e->XFloor.ffloors.Size(); i++)
{
fakeFloor = line->backsector->e->XFloor.ffloors[i];
if (!(fakeFloor->flags & FF_EXISTS)) continue;
if (!(fakeFloor->flags & FF_RENDERPLANES)) continue;
if (!fakeFloor->model) continue;
fake3D = FAKE3D_FAKEBACK;
tempsec = *fakeFloor->model;
tempsec.floorplane = *fakeFloor->top.plane;
tempsec.ceilingplane = *fakeFloor->bottom.plane;
backsector = &tempsec;
if (fakeFloor->validcount != validcount)
{
fakeFloor->validcount = validcount;
R_3D_NewClip();
}
if (frontsector->CenterFloor() >= backsector->CenterFloor())
{
fake3D |= FAKE3D_CLIPBOTFRONT;
}
if (frontsector->CenterCeiling() <= backsector->CenterCeiling())
{
fake3D |= FAKE3D_CLIPTOPFRONT;
}
R_AddLine(line); // fake
}
fakeFloor = NULL;
fake3D = 0;
floorplane = backupfp;
ceilingplane = backupcp;
}
R_AddLine (line); // now real
}
line++;
}
if (outersubsector)
{
InSubsector = NULL;
}
}
