Пример #1
0
void P_Recalculate3DFloors(sector_t * sector)
{
	F3DFloor *		rover;
	F3DFloor *		pick;
	unsigned		pickindex;
	F3DFloor *		clipped=NULL;
	F3DFloor *		solid=NULL;
	double			solid_bottom=0;
	double			clipped_top;
	double			clipped_bottom=0;
	double			maxheight, minheight;
	unsigned		i, j;
	lightlist_t newlight;
	lightlist_t resetlight;	// what it goes back to after FF_DOUBLESHADOW

	TArray<F3DFloor*> & ffloors=sector->e->XFloor.ffloors;
	TArray<lightlist_t> & lightlist = sector->e->XFloor.lightlist;

	// Sort the floors top to bottom for quicker access here and later
	// Translucent and swimmable floors are split if they overlap with solid ones.
	if (ffloors.Size()>1)
	{
		TArray<F3DFloor*> oldlist;
		
		oldlist = ffloors;
		ffloors.Clear();

		// first delete the old dynamic stuff
		for(i=0;i<oldlist.Size();i++)
		{
			F3DFloor * rover=oldlist[i];

			if (rover->flags&FF_DYNAMIC)
			{
				delete rover;
				oldlist.Delete(i);
				i--;
				continue;
			}
			if (rover->flags&FF_CLIPPED)
			{
				rover->flags&=~FF_CLIPPED;
				rover->flags|=FF_EXISTS;
			}
		}

		while (oldlist.Size())
		{
			pick=oldlist[0];
			double height=pick->top.plane->ZatPoint(sector->centerspot);

			// find highest starting ffloor - intersections are not supported!
			pickindex=0;
			for (j=1;j<oldlist.Size();j++)
			{
				double h2=oldlist[j]->top.plane->ZatPoint(sector->centerspot);

				if (h2>height)
				{
					pick=oldlist[j];
					pickindex=j;
					height=h2;
				}
			}

			oldlist.Delete(pickindex);
			double pick_bottom=pick->bottom.plane->ZatPoint(sector->centerspot);

			if (pick->flags & FF_THISINSIDE)
			{
				// These have the floor higher than the ceiling and cannot be processed
				// by the clipping code below.
				ffloors.Push(pick);
			}
			else if ((pick->flags&(FF_SWIMMABLE|FF_TRANSLUCENT) || (!(pick->flags&FF_RENDERALL))) && pick->flags&FF_EXISTS)
			{
				// We must check if this nonsolid segment gets clipped from the top by another 3D floor
				if (solid != NULL && solid_bottom < height)
				{
					ffloors.Push(pick);
					if (solid_bottom < pick_bottom)
					{
						// this one is fully covered
						pick->flags|=FF_CLIPPED;
						pick->flags&=~FF_EXISTS;
					}
					else
					{
						F3DFloor * dyn=new F3DFloor;
						*dyn=*pick;
						pick->flags|=FF_CLIPPED;
						pick->flags&=~FF_EXISTS;
						dyn->flags|=FF_DYNAMIC;
						dyn->top.copyPlane(&solid->bottom);
						ffloors.Push(dyn);

						clipped = dyn;
						clipped_top = solid_bottom;
						clipped_bottom = pick_bottom;
					}
				}
				else if (pick_bottom > height)	// do not allow inverted planes
				{
					F3DFloor * dyn = new F3DFloor;
					*dyn = *pick;
					pick->flags |= FF_CLIPPED;
					pick->flags &= ~FF_EXISTS;
					dyn->flags |= FF_DYNAMIC;
					dyn->bottom.copyPlane(&pick->top);
					ffloors.Push(pick);
					ffloors.Push(dyn);
				}
				else
				{
					clipped = pick;
					clipped_top = height;
					clipped_bottom = pick_bottom;
					ffloors.Push(pick);
				}
			}
			else if (clipped && clipped_bottom<height)
			{
				// translucent floor above must be clipped to this one!
				F3DFloor * dyn=new F3DFloor;
				*dyn=*clipped;
				clipped->flags|=FF_CLIPPED;
				clipped->flags&=~FF_EXISTS;
				dyn->flags|=FF_DYNAMIC;
				dyn->bottom.copyPlane(&pick->top);
				ffloors.Push(dyn);
				ffloors.Push(pick);

				if (pick_bottom<=clipped_bottom)
				{
					clipped=NULL;
				}
				else
				{
					// the translucent part extends below the clipper
					dyn=new F3DFloor;
					*dyn=*clipped;
					dyn->flags|=FF_DYNAMIC|FF_EXISTS;
					dyn->top.copyPlane(&pick->bottom);
					ffloors.Push(dyn);
					clipped = dyn;
					clipped_top = pick_bottom;
				}
				solid = pick;
				solid_bottom = pick_bottom;
			}
			else
			{
				clipped = NULL;
				if (solid == NULL || solid_bottom > pick_bottom)
				{
					// only if this one is lower
					solid = pick;
					solid_bottom = pick_bottom;
				}
				ffloors.Push(pick);

			}

		}
	}

	// having the floors sorted makes this routine significantly simpler
	// Only some overlapping cases with FF_DOUBLESHADOW might create anomalies
	// but these are clearly undefined.
	if(ffloors.Size())
	{
		lightlist.Resize(1);
		lightlist[0].plane = sector->ceilingplane;
		lightlist[0].p_lightlevel = &sector->lightlevel;
		lightlist[0].caster = NULL;
		lightlist[0].lightsource = NULL;
		lightlist[0].extra_colormap = sector->ColorMap;
		lightlist[0].blend = 0;
		lightlist[0].flags = 0;

		resetlight = lightlist[0];

		maxheight = sector->ceilingplane.ZatPoint(sector->centerspot);
		minheight = sector->floorplane.ZatPoint(sector->centerspot);
		for(i = 0; i < ffloors.Size(); i++)
		{
			rover=ffloors[i];

			if ( !(rover->flags & FF_EXISTS) || rover->flags & FF_NOSHADE )
				continue;
				
			double ff_top=rover->top.plane->ZatPoint(sector->centerspot);
			if (ff_top < minheight) break;	// reached the floor
			if (ff_top < maxheight)
			{
				newlight.plane = *rover->top.plane;
				newlight.p_lightlevel = rover->toplightlevel;
				newlight.caster = rover;
				newlight.lightsource = rover;
				newlight.extra_colormap = rover->GetColormap();
				newlight.blend = rover->GetBlend();
				newlight.flags = rover->flags;
				lightlist.Push(newlight);
			}
			else
			{
				double ff_bottom=rover->bottom.plane->ZatPoint(sector->centerspot);
				if (ff_bottom<maxheight)
				{
					// this segment begins over the ceiling and extends beyond it
					lightlist[0].p_lightlevel = rover->toplightlevel;
					lightlist[0].caster = rover;
					lightlist[0].lightsource = rover;
					lightlist[0].extra_colormap = rover->GetColormap();
					lightlist[0].blend = rover->GetBlend();
					lightlist[0].flags = rover->flags;
				}
			}
			if (!(rover->flags & (FF_DOUBLESHADOW | FF_RESET)))
			{
				resetlight = lightlist.Last();
			}
			else if (rover->flags & FF_RESET)
			{
				resetlight.p_lightlevel = &sector->lightlevel;
				resetlight.lightsource = NULL;
				resetlight.extra_colormap = sector->ColorMap;
				resetlight.blend = 0;
			}

			if (rover->flags&FF_DOUBLESHADOW)
			{
				double ff_bottom=rover->bottom.plane->ZatPoint(sector->centerspot);
				if(ff_bottom < maxheight && ff_bottom>minheight)
				{
					newlight.caster = rover;
					newlight.plane = *rover->bottom.plane;
					newlight.lightsource = resetlight.lightsource;
					newlight.p_lightlevel = resetlight.p_lightlevel;
					newlight.extra_colormap = resetlight.extra_colormap;
					newlight.blend = resetlight.blend;
					newlight.flags = rover->flags;
					lightlist.Push(newlight);
				}
			}
		}
	}
}
Пример #2
0
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=&sectors[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, &sector->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--;
					}
				}
			}
		}
	}
}