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Further isolate texture coordinate calculations to r_wallsetup

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This commit is contained in:
Magnus Norddahl 2019-11-08 03:46:07 +01:00
commit 62ec165d28
16 changed files with 176 additions and 174 deletions
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55
src/rendering/swrenderer/line/r_line.cpp
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@ -418,10 +418,6 @@ namespace swrenderer
(mFloorClipped != ProjectedWallCull::OutsideAbove || !sidedef->GetTexture(side_t::bottom).isValid()) &&
(WallC.sz1 >= TOO_CLOSE_Z && WallC.sz2 >= TOO_CLOSE_Z))
{
float *swal;
fixed_t *lwal;
int i;
maskedtexture = true;
// kg3D - backup for mid and fake walls
@ -429,16 +425,12 @@ namespace swrenderer
memcpy(draw_segment->bkup, &Thread->OpaquePass->ceilingclip[start], sizeof(short)*(stop - start));
draw_segment->bFogBoundary = IsFogBoundary(mFrontSector, mBackSector);
if (sidedef->GetTexture(side_t::mid).isValid() || draw_segment->Has3DFloorWalls())
bool is_translucent = sidedef->GetTexture(side_t::mid).isValid() || draw_segment->Has3DFloorWalls();
if (is_translucent)
{
if (sidedef->GetTexture(side_t::mid).isValid())
draw_segment->SetHas3DFloorMidTexture();
draw_segment->maskedtexturecol = Thread->FrameMemory->AllocMemory<fixed_t>(stop - start);
draw_segment->swall = Thread->FrameMemory->AllocMemory<float>(stop - start);
lwal = draw_segment->maskedtexturecol;
swal = draw_segment->swall;
FTexture *tex = TexMan.GetPalettedTexture(sidedef->GetTexture(side_t::mid), true);
FSoftwareTexture *pic = tex && tex->isValid() ? tex->GetSoftwareTexture() : nullptr;
double yscale = (pic ? pic->GetScale().Y : 1.0) * sidedef->GetTextureYScale(side_t::mid);
@ -449,40 +441,13 @@ namespace swrenderer
xoffset = xs_RoundToInt(xoffset * lwallscale);
}
for (i = start; i < stop; i++)
{
*lwal++ = walltexcoords.UPos[i] + xoffset;
*swal++ = walltexcoords.VStep[i];
}
double istart = draw_segment->swall[0] * yscale;
double iend = *(swal - 1) * yscale;
#if 0
///This was for avoiding overflow when using fixed point. It might not be needed anymore.
const double mini = 3 / 65536.0;
if (istart < mini && istart >= 0) istart = mini;
if (istart > -mini && istart < 0) istart = -mini;
if (iend < mini && iend >= 0) iend = mini;
if (iend > -mini && iend < 0) iend = -mini;
#endif
istart = 1 / istart;
iend = 1 / iend;
draw_segment->yscale = (float)yscale;
draw_segment->iscale = (float)istart;
if (stop - start > 1)
{
draw_segment->iscalestep = float((iend - istart) / (stop - start - 1));
}
else
{
draw_segment->iscalestep = 0;
}
draw_segment->texcoords.Set(Thread, walltexcoords, start, stop, xoffset, yscale);
}
draw_segment->light = mLight.GetLightPos(start);
draw_segment->lightstep = mLight.GetLightStep();
if (draw_segment->bFogBoundary || draw_segment->maskedtexturecol != nullptr)
if (draw_segment->bFogBoundary || is_translucent)
{
Thread->DrawSegments->PushTranslucent(draw_segment);
}
@ -1118,7 +1083,7 @@ namespace swrenderer
double yscale = rw_pic->GetScale().Y * mTopPart.TextureScaleV;
if (xscale != lwallscale)
{
walltexcoords.ProjectPos(Thread->Viewport.get(), mLineSegment->sidedef->TexelLength*xscale, WallC.sx1, WallC.sx2, WallT);
walltexcoords.Project(Thread->Viewport.get(), mLineSegment->sidedef->TexelLength*xscale, WallC.sx1, WallC.sx2, WallT);
lwallscale = xscale;
}
fixed_t offset;
@ -1136,7 +1101,7 @@ namespace swrenderer
}
RenderWallPart renderWallpart(Thread);
renderWallpart.Render(mFrontSector, mLineSegment, WallC, rw_pic, x1, x2, walltop.ScreenY, wallupper.ScreenY, mTopPart.TextureMid, walltexcoords.VStep, walltexcoords.UPos, yscale, MAX(mFrontCeilingZ1, mFrontCeilingZ2), MIN(mBackCeilingZ1, mBackCeilingZ2), false, false, OPAQUE, offset, mLight, GetLightList());
renderWallpart.Render(mFrontSector, mLineSegment, WallC, rw_pic, x1, x2, walltop.ScreenY, wallupper.ScreenY, mTopPart.TextureMid, walltexcoords, yscale, MAX(mFrontCeilingZ1, mFrontCeilingZ2), MIN(mBackCeilingZ1, mBackCeilingZ2), false, false, OPAQUE, offset, mLight, GetLightList());
}
void SWRenderLine::RenderMiddleTexture(int x1, int x2)
@ -1149,7 +1114,7 @@ namespace swrenderer
double yscale = rw_pic->GetScale().Y * mMiddlePart.TextureScaleV;
if (xscale != lwallscale)
{
walltexcoords.ProjectPos(Thread->Viewport.get(), mLineSegment->sidedef->TexelLength*xscale, WallC.sx1, WallC.sx2, WallT);
walltexcoords.Project(Thread->Viewport.get(), mLineSegment->sidedef->TexelLength*xscale, WallC.sx1, WallC.sx2, WallT);
lwallscale = xscale;
}
fixed_t offset;
@ -1167,7 +1132,7 @@ namespace swrenderer
}
RenderWallPart renderWallpart(Thread);
renderWallpart.Render(mFrontSector, mLineSegment, WallC, rw_pic, x1, x2, walltop.ScreenY, wallbottom.ScreenY, mMiddlePart.TextureMid, walltexcoords.VStep, walltexcoords.UPos, yscale, MAX(mFrontCeilingZ1, mFrontCeilingZ2), MIN(mFrontFloorZ1, mFrontFloorZ2), false, false, OPAQUE, offset, mLight, GetLightList());
renderWallpart.Render(mFrontSector, mLineSegment, WallC, rw_pic, x1, x2, walltop.ScreenY, wallbottom.ScreenY, mMiddlePart.TextureMid, walltexcoords, yscale, MAX(mFrontCeilingZ1, mFrontCeilingZ2), MIN(mFrontFloorZ1, mFrontFloorZ2), false, false, OPAQUE, offset, mLight, GetLightList());
}
void SWRenderLine::RenderBottomTexture(int x1, int x2)
@ -1181,7 +1146,7 @@ namespace swrenderer
double yscale = rw_pic->GetScale().Y * mBottomPart.TextureScaleV;
if (xscale != lwallscale)
{
walltexcoords.ProjectPos(Thread->Viewport.get(), mLineSegment->sidedef->TexelLength*xscale, WallC.sx1, WallC.sx2, WallT);
walltexcoords.Project(Thread->Viewport.get(), mLineSegment->sidedef->TexelLength*xscale, WallC.sx1, WallC.sx2, WallT);
lwallscale = xscale;
}
fixed_t offset;
@ -1199,7 +1164,7 @@ namespace swrenderer
}
RenderWallPart renderWallpart(Thread);
renderWallpart.Render(mFrontSector, mLineSegment, WallC, rw_pic, x1, x2, walllower.ScreenY, wallbottom.ScreenY, mBottomPart.TextureMid, walltexcoords.VStep, walltexcoords.UPos, yscale, MAX(mBackFloorZ1, mBackFloorZ2), MIN(mFrontFloorZ1, mFrontFloorZ2), false, false, OPAQUE, offset, mLight, GetLightList());
renderWallpart.Render(mFrontSector, mLineSegment, WallC, rw_pic, x1, x2, walllower.ScreenY, wallbottom.ScreenY, mBottomPart.TextureMid, walltexcoords, yscale, MAX(mBackFloorZ1, mBackFloorZ2), MIN(mFrontFloorZ1, mFrontFloorZ2), false, false, OPAQUE, offset, mLight, GetLightList());
}
FLightNode *SWRenderLine::GetLightList()