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Calculate light closer to where it is used

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This commit is contained in:
Magnus Norddahl 2019-11-15 05:21:10 +01:00
parent 3428b50924
commit 82855ab1fd
6 changed files with 79 additions and 117 deletions
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41
src/rendering/swrenderer/line/r_line.cpp
View file

@ -405,8 +405,6 @@ namespace swrenderer
if (draw_segment->HasFogBoundary() || draw_segment->HasTranslucentMidTexture() || draw_segment->Has3DFloorWalls())
{
draw_segment->drawsegclip.SetBackupClip(Thread, start, stop, Thread->OpaquePass->ceilingclip);
draw_segment->light = mLight.GetLightPos(start);
draw_segment->lightstep = mLight.GetLightStep();
Thread->DrawSegments->PushTranslucent(draw_segment);
}
}
@ -446,7 +444,10 @@ namespace swrenderer
// [ZZ] Only if not an active mirror
if (!markportal)
{
RenderDecal::RenderDecals(Thread, mLineSegment->sidedef, draw_segment, mLineSegment, mLight, walltop.ScreenY, wallbottom.ScreenY, false);
ProjectedWallLight walllight;
walllight.SetColormap(mFrontSector, mLineSegment);
walllight.SetLightLeft(Thread, WallC);
RenderDecal::RenderDecals(Thread, mLineSegment->sidedef, draw_segment, mLineSegment, walllight, walltop.ScreenY, wallbottom.ScreenY, false);
}
if (markportal)
@ -661,22 +662,6 @@ namespace swrenderer
}
}
}
FTexture *ftex = TexMan.GetPalettedTexture(sidedef->GetTexture(side_t::mid), true);
FSoftwareTexture *midtex = ftex && ftex->isValid() ? ftex->GetSoftwareTexture() : nullptr;
bool segtextured = ftex != NULL || mTopTexture != NULL || mBottomTexture != NULL;
if (m3DFloor.type == Fake3DOpaque::Normal)
{
mLight.SetColormap(mFrontSector, mLineSegment);
}
// calculate light table
if (segtextured || (mBackSector && IsFogBoundary(mFrontSector, mBackSector)))
{
mLight.SetLightLeft(Thread, WallC);
}
}
void SWRenderLine::SetTextures()
@ -899,8 +884,12 @@ namespace swrenderer
ProjectedWallTexcoords texcoords;
texcoords.ProjectTop(Thread->Viewport.get(), mFrontSector, mBackSector, mLineSegment, WallC.sx1, WallC.sx2, WallT, mTopTexture);
ProjectedWallLight walllight;
walllight.SetColormap(mFrontSector, mLineSegment);
walllight.SetLightLeft(Thread, WallC);
RenderWallPart renderWallpart(Thread);
renderWallpart.Render(mFrontSector, mLineSegment, WallC, mTopTexture, x1, x2, walltop.ScreenY, wallupper.ScreenY, texcoords, MAX(mFrontCeilingZ1, mFrontCeilingZ2), MIN(mBackCeilingZ1, mBackCeilingZ2), false, false, OPAQUE, mLight, GetLightList());
renderWallpart.Render(mFrontSector, mLineSegment, WallC, mTopTexture, x1, x2, walltop.ScreenY, wallupper.ScreenY, texcoords, MAX(mFrontCeilingZ1, mFrontCeilingZ2), MIN(mBackCeilingZ1, mBackCeilingZ2), false, false, OPAQUE, walllight, GetLightList());
}
void SWRenderLine::RenderMiddleTexture(int x1, int x2)
@ -911,8 +900,12 @@ namespace swrenderer
ProjectedWallTexcoords texcoords;
texcoords.ProjectMid(Thread->Viewport.get(), mFrontSector, mLineSegment, WallC.sx1, WallC.sx2, WallT, mMiddleTexture);
ProjectedWallLight walllight;
walllight.SetColormap(mFrontSector, mLineSegment);
walllight.SetLightLeft(Thread, WallC);
RenderWallPart renderWallpart(Thread);
renderWallpart.Render(mFrontSector, mLineSegment, WallC, mMiddleTexture, x1, x2, walltop.ScreenY, wallbottom.ScreenY, texcoords, MAX(mFrontCeilingZ1, mFrontCeilingZ2), MIN(mFrontFloorZ1, mFrontFloorZ2), false, false, OPAQUE, mLight, GetLightList());
renderWallpart.Render(mFrontSector, mLineSegment, WallC, mMiddleTexture, x1, x2, walltop.ScreenY, wallbottom.ScreenY, texcoords, MAX(mFrontCeilingZ1, mFrontCeilingZ2), MIN(mFrontFloorZ1, mFrontFloorZ2), false, false, OPAQUE, walllight, GetLightList());
}
void SWRenderLine::RenderBottomTexture(int x1, int x2)
@ -924,8 +917,12 @@ namespace swrenderer
ProjectedWallTexcoords texcoords;
texcoords.ProjectBottom(Thread->Viewport.get(), mFrontSector, mBackSector, mLineSegment, WallC.sx1, WallC.sx2, WallT, mBottomTexture);
ProjectedWallLight walllight;
walllight.SetColormap(mFrontSector, mLineSegment);
walllight.SetLightLeft(Thread, WallC);
RenderWallPart renderWallpart(Thread);
renderWallpart.Render(mFrontSector, mLineSegment, WallC, mBottomTexture, x1, x2, walllower.ScreenY, wallbottom.ScreenY, texcoords, MAX(mBackFloorZ1, mBackFloorZ2), MIN(mFrontFloorZ1, mFrontFloorZ2), false, false, OPAQUE, mLight, GetLightList());
renderWallpart.Render(mFrontSector, mLineSegment, WallC, mBottomTexture, x1, x2, walllower.ScreenY, wallbottom.ScreenY, texcoords, MAX(mBackFloorZ1, mBackFloorZ2), MIN(mFrontFloorZ1, mFrontFloorZ2), false, false, OPAQUE, walllight, GetLightList());
}
FLightNode *SWRenderLine::GetLightList()

2
src/rendering/swrenderer/line/r_line.h
View file

@ -115,8 +115,6 @@ namespace swrenderer
bool rw_prepped;
ProjectedWallLight mLight;
bool markfloor; // False if the back side is the same plane.
bool markceiling;

146
src/rendering/swrenderer/line/r_renderdrawsegment.cpp
View file

@ -71,25 +71,6 @@ namespace swrenderer
frontsector = curline->frontsector;
backsector = curline->backsector;
// killough 4/13/98: get correct lightlevel for 2s normal textures
sector_t tempsec;
const sector_t *sec = Thread->OpaquePass->FakeFlat(frontsector, &tempsec, nullptr, nullptr, nullptr, 0, 0, 0, 0);
mLight.SetColormap(sec, curline);
mLight.SetLightLeft(ds->light, ds->lightstep, ds->x1);
Clip3DFloors *clip3d = Thread->Clip3D.get();
double clipTop = m3DFloor.clipTop ? m3DFloor.sclipTop : sec->ceilingplane.ZatPoint(Thread->Viewport->viewpoint.Pos);
for (int i = frontsector->e->XFloor.lightlist.Size() - 1; i >= 0; i--)
{
if (clipTop <= frontsector->e->XFloor.lightlist[i].plane.Zat0())
{
mLight.SetColormap(frontsector, curline, &frontsector->e->XFloor.lightlist[i]);
break;
}
}
if (ds->HasFogBoundary())
RenderFog(ds, x1, x2);
@ -212,6 +193,23 @@ namespace swrenderer
}
}
sector_t tempsec;
const sector_t* sec = Thread->OpaquePass->FakeFlat(frontsector, &tempsec, nullptr, nullptr, nullptr, 0, 0, 0, 0);
ProjectedWallLight walllight;
walllight.SetColormap(sec, curline);
walllight.SetLightLeft(Thread, ds->WallC);
double clipTop = m3DFloor.clipTop ? m3DFloor.sclipTop : sec->ceilingplane.ZatPoint(Thread->Viewport->viewpoint.Pos);
for (int i = frontsector->e->XFloor.lightlist.Size() - 1; i >= 0; i--)
{
if (clipTop <= frontsector->e->XFloor.lightlist[i].plane.Zat0())
{
walllight.SetColormap(frontsector, curline, &frontsector->e->XFloor.lightlist[i]);
break;
}
}
double top, bot;
GetMaskedWallTopBottom(ds, top, bot);
@ -219,7 +217,7 @@ namespace swrenderer
bool additive = (curline->linedef->flags & ML_ADDTRANS) != 0;
RenderWallPart renderWallpart(Thread);
renderWallpart.Render(frontsector, curline, ds->WallC, tex, x1, x2, mceilingclip, mfloorclip, ds->texcoords, top, bot, true, additive, alpha, mLight, nullptr);
renderWallpart.Render(frontsector, curline, ds->WallC, tex, x1, x2, mceilingclip, mfloorclip, ds->texcoords, top, bot, true, additive, alpha, walllight, nullptr);
}
void RenderDrawSegment::Render3DFloorWall(DrawSegment *ds, int x1, int x2, F3DFloor *rover, double clipTop, double clipBottom, FSoftwareTexture *rw_pic)
@ -228,7 +226,37 @@ namespace swrenderer
if (Alpha <= 0)
return;
mLight.SetLightLeft(ds->light, ds->lightstep, ds->x1);
lightlist_t* lit = nullptr;
CameraLight* cameraLight = CameraLight::Instance();
if (cameraLight->FixedLightLevel() < 0)
{
if (ds->Has3DFloorFrontSectorWalls() && !ds->Has3DFloorBackSectorWalls())
{
for (int j = backsector->e->XFloor.lightlist.Size() - 1; j >= 0; j--)
{
if (clipTop <= backsector->e->XFloor.lightlist[j].plane.Zat0())
{
lit = &backsector->e->XFloor.lightlist[j];
break;
}
}
}
else
{
for (int j = frontsector->e->XFloor.lightlist.Size() - 1; j >= 0; j--)
{
if (clipTop <= frontsector->e->XFloor.lightlist[j].plane.Zat0())
{
lit = &frontsector->e->XFloor.lightlist[j];
break;
}
}
}
}
ProjectedWallLight walllight;
walllight.SetColormap(frontsector, curline, lit);
walllight.SetLightLeft(Thread, ds->WallC);
wallupper.Project(Thread->Viewport.get(), clipTop - Thread->Viewport->viewpoint.Pos.Z, &ds->WallC);
walllower.Project(Thread->Viewport.get(), clipBottom - Thread->Viewport->viewpoint.Pos.Z, &ds->WallC);
@ -243,9 +271,9 @@ namespace swrenderer
GetMaskedWallTopBottom(ds, top, bot);
RenderWallPart renderWallpart(Thread);
renderWallpart.Render(frontsector, curline, ds->WallC, rw_pic, x1, x2, wallupper.ScreenY, walllower.ScreenY, walltexcoords, top, bot, true, (rover->flags & FF_ADDITIVETRANS) != 0, Alpha, mLight, nullptr);
renderWallpart.Render(frontsector, curline, ds->WallC, rw_pic, x1, x2, wallupper.ScreenY, walllower.ScreenY, walltexcoords, top, bot, true, (rover->flags & FF_ADDITIVETRANS) != 0, Alpha, walllight, nullptr);
RenderDecal::RenderDecals(Thread, curline->sidedef, ds, curline, mLight, wallupper.ScreenY, walllower.ScreenY, true);
RenderDecal::RenderDecals(Thread, curline->sidedef, ds, curline, walllight, wallupper.ScreenY, walllower.ScreenY, true);
}
void RenderDrawSegment::Render3DFloorWallRange(DrawSegment *ds, int x1, int x2)
@ -434,38 +462,6 @@ namespace swrenderer
if (rw_pic && !swimmable_found)
{
// correct colors now
lightlist_t *lit = nullptr;
CameraLight *cameraLight = CameraLight::Instance();
if (cameraLight->FixedLightLevel() < 0)
{
if (ds->Has3DFloorFrontSectorWalls() && !ds->Has3DFloorBackSectorWalls())
{
for (j = backsector->e->XFloor.lightlist.Size() - 1; j >= 0; j--)
{
if (clipTop <= backsector->e->XFloor.lightlist[j].plane.Zat0())
{
lit = &backsector->e->XFloor.lightlist[j];
break;
}
}
}
else
{
for (j = frontsector->e->XFloor.lightlist.Size() - 1; j >= 0; j--)
{
if (clipTop <= frontsector->e->XFloor.lightlist[j].plane.Zat0())
{
lit = &frontsector->e->XFloor.lightlist[j];
break;
}
}
}
}
//mLight.lightlevel = ds->lightlevel;
mLight.SetColormap(frontsector, curline, lit);
Render3DFloorWall(ds, x1, x2, fover ? fover : rover, clipTop, clipBottom, rw_pic);
}
break;
@ -617,37 +613,6 @@ namespace swrenderer
if (rw_pic && !swimmable_found)
{
// correct colors now
lightlist_t *lit = nullptr;
CameraLight *cameraLight = CameraLight::Instance();
if (cameraLight->FixedLightLevel() < 0)
{
if (ds->Has3DFloorFrontSectorWalls() && !ds->Has3DFloorBackSectorWalls())
{
for (j = backsector->e->XFloor.lightlist.Size() - 1; j >= 0; j--)
{
if (clipTop <= backsector->e->XFloor.lightlist[j].plane.Zat0())
{
lit = &backsector->e->XFloor.lightlist[j];
break;
}
}
}
else
{
for (j = frontsector->e->XFloor.lightlist.Size() - 1; j >= 0; j--)
{
if (clipTop <= frontsector->e->XFloor.lightlist[j].plane.Zat0())
{
lit = &frontsector->e->XFloor.lightlist[j];
break;
}
}
}
}
//mLight.lightlevel = ds->lightlevel;
mLight.SetColormap(frontsector, curline, lit);
Render3DFloorWall(ds, x1, x2, fover ? fover : rover, clipTop, clipBottom, rw_pic);
}
break;
@ -674,8 +639,15 @@ namespace swrenderer
mfloorclip = walllower.ScreenY;
}
sector_t tempsec;
const sector_t* sec = Thread->OpaquePass->FakeFlat(frontsector, &tempsec, nullptr, nullptr, nullptr, 0, 0, 0, 0);
ProjectedWallLight walllight;
walllight.SetColormap(sec, curline);
walllight.SetLightLeft(Thread, ds->WallC);
RenderFogBoundary renderfog;
renderfog.Render(Thread, x1, x2, mceilingclip, mfloorclip, mLight);
renderfog.Render(Thread, x1, x2, mceilingclip, mfloorclip, walllight);
}
// Clip a midtexture to the floor and ceiling of the sector in front of it.

2
src/rendering/swrenderer/line/r_renderdrawsegment.h
View file

@ -51,8 +51,6 @@ namespace swrenderer
seg_t *curline = nullptr;
Fake3DTranslucent m3DFloor;
ProjectedWallLight mLight;
ProjectedWallLine wallupper;
ProjectedWallLine walllower;
};

2
src/rendering/swrenderer/line/r_wallsetup.h
View file

@ -110,8 +110,6 @@ namespace swrenderer
float GetLightStep() const { return lightstep; }
void SetColormap(const sector_t *frontsector, seg_t *lineseg, lightlist_t *lit = nullptr);
void SetLightLeft(float left, float step, int startx) { lightleft = left; lightstep = step; x1 = startx; }
void SetLightLeft(RenderThread *thread, const FWallCoords &wallc);
private:

3
src/rendering/swrenderer/segments/r_drawsegment.h
View file

@ -51,8 +51,7 @@ namespace swrenderer
struct DrawSegment
{
seg_t *curline;
float light, lightstep;
short x1, x2; // Same as sx1 and sx2, but clipped to the drawseg
short x1, x2;
FWallCoords WallC;
FWallTmapVals tmapvals;