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- Calculate drawseg texture coordinates in r_line

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This commit is contained in:
Magnus Norddahl 2019-11-11 04:10:08 +01:00
commit 3944ee5b67
3 changed files with 59 additions and 55 deletions
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64
src/rendering/swrenderer/line/r_renderdrawsegment.cpp
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@ -156,33 +156,33 @@ namespace swrenderer
const short *mfloorclip = ds->sprbottomclip - ds->x1;
const short *mceilingclip = ds->sprtopclip - ds->x1;
float MaskedScaleY = ds->texcoords.yscale;
// find positioning
double texheight = tex->GetScaledHeightDouble();
double texheightscale = fabs(curline->sidedef->GetTextureYScale(side_t::mid));
if (texheightscale != 1)
{
texheight = texheight / texheightscale;
}
double texturemid;
if (curline->linedef->flags & ML_DONTPEGBOTTOM)
{
texturemid = MAX(frontsector->GetPlaneTexZ(sector_t::floor), backsector->GetPlaneTexZ(sector_t::floor)) + texheight;
}
else
{
texturemid = MIN(frontsector->GetPlaneTexZ(sector_t::ceiling), backsector->GetPlaneTexZ(sector_t::ceiling));
}
double rowoffset = curline->sidedef->GetTextureYOffset(side_t::mid);
bool wrap = (curline->linedef->flags & ML_WRAP_MIDTEX) || (curline->sidedef->Flags & WALLF_WRAP_MIDTEX);
if (!wrap)
{ // Texture does not wrap vertically.
double textop;
float MaskedScaleY = ds->texcoords.yscale;
// find positioning
double texheight = tex->GetScaledHeightDouble();
double texheightscale = fabs(curline->sidedef->GetTextureYScale(side_t::mid));
if (texheightscale != 1)
{
texheight = texheight / texheightscale;
}
double texturemid;
if (curline->linedef->flags & ML_DONTPEGBOTTOM)
{
texturemid = MAX(frontsector->GetPlaneTexZ(sector_t::floor), backsector->GetPlaneTexZ(sector_t::floor)) + texheight;
}
else
{
texturemid = MIN(frontsector->GetPlaneTexZ(sector_t::ceiling), backsector->GetPlaneTexZ(sector_t::ceiling));
}
double rowoffset = curline->sidedef->GetTextureYOffset(side_t::mid);
bool sprflipvert = false;
if (MaskedScaleY < 0)
@ -322,19 +322,6 @@ namespace swrenderer
}
else
{ // Texture does wrap vertically.
if (tex->useWorldPanning(curline->GetLevel()))
{
// rowoffset is added before the multiply so that the masked texture will
// still be positioned in world units rather than texels.
texturemid = (texturemid - Thread->Viewport->viewpoint.Pos.Z + rowoffset) * MaskedScaleY;
}
else
{
// rowoffset is added outside the multiply so that it positions the texture
// by texels instead of world units.
texturemid = (texturemid - Thread->Viewport->viewpoint.Pos.Z) * MaskedScaleY + rowoffset;
}
WallC.sz1 = ds->WallC.sz1;
WallC.sz2 = ds->WallC.sz2;
WallC.sx1 = ds->WallC.sx1;
@ -373,11 +360,6 @@ namespace swrenderer
mfloorclip = walllower.ScreenY;
}
ProjectedWallTexcoords texcoords = ds->texcoords;
texcoords.texturemid = texturemid;
FSoftwareTexture *rw_pic = tex;
double top, bot;
GetMaskedWallTopBottom(ds, top, bot);
@ -385,7 +367,7 @@ namespace swrenderer
bool additive = (curline->linedef->flags & ML_ADDTRANS) != 0;
RenderWallPart renderWallpart(Thread);
renderWallpart.Render(frontsector, curline, WallC, rw_pic, x1, x2, mceilingclip, mfloorclip, texcoords, top, bot, true, additive, alpha, mLight, nullptr);
renderWallpart.Render(frontsector, curline, WallC, tex, x1, x2, mceilingclip, mfloorclip, ds->texcoords, top, bot, true, additive, alpha, mLight, nullptr);
}
return false;