OrdinaryMagician/vkdoom_m
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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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30
src/rendering/swrenderer/things/r_decal.cpp
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@ -242,18 +242,7 @@ namespace swrenderer
}
ProjectedWallTexcoords walltexcoords;
walltexcoords.Project(thread->Viewport.get(), WallSpriteTile->GetWidth(), x1, x2, WallT);
if (flipx)
{
int i;
int right = (WallSpriteTile->GetWidth() << FRACBITS) - 1;
for (i = x1; i < x2; i++)
{
walltexcoords.UPos[i] = right - walltexcoords.UPos[i];
}
}
walltexcoords.Project(thread->Viewport.get(), WallSpriteTile->GetWidth(), x1, x2, WallT, flipx);
// Prepare lighting
usecolormap = light.GetBaseColormap();
@ -302,7 +291,7 @@ namespace swrenderer
{ // calculate lighting
drawerargs.SetLight(lightpos, light.GetLightLevel(), light.GetFoggy(), thread->Viewport.get());
}
DrawColumn(thread, drawerargs, x, WallSpriteTile, walltexcoords, texturemid, maskedScaleY, sprflipvert, mfloorclip, mceilingclip, decal->RenderStyle);
drawerargs.DrawMaskedColumn(thread, x, WallSpriteTile, walltexcoords, texturemid, maskedScaleY, sprflipvert, mfloorclip, mceilingclip, decal->RenderStyle);
lightpos += light.GetLightStep();
x++;
}
@ -315,19 +304,4 @@ namespace swrenderer
mfloorclip = wallbottom;
} while (needrepeat--);
}
void RenderDecal::DrawColumn(RenderThread *thread, SpriteDrawerArgs &drawerargs, int x, FSoftwareTexture *WallSpriteTile, const ProjectedWallTexcoords &walltexcoords, double texturemid, float maskedScaleY, bool sprflipvert, const short *mfloorclip, const short *mceilingclip, FRenderStyle style)
{
auto viewport = thread->Viewport.get();
float iscale = walltexcoords.VStep[x] * maskedScaleY;
double spryscale = 1 / iscale;
double sprtopscreen;
if (sprflipvert)
sprtopscreen = viewport->CenterY + texturemid * spryscale;
else
sprtopscreen = viewport->CenterY - texturemid * spryscale;
drawerargs.DrawMaskedColumn(thread, x, FLOAT2FIXED(iscale), WallSpriteTile, walltexcoords.UPos[x], spryscale, sprtopscreen, sprflipvert, mfloorclip, mceilingclip, style);
}
}