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- Simplify ProjectedWallLight light step setup and positioning

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This commit is contained in:
Magnus Norddahl 2018-12-27 22:52:33 +01:00
commit c0a4ba5e82
7 changed files with 48 additions and 39 deletions
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20
src/swrenderer/line/r_wallsetup.cpp
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@ -241,4 +241,24 @@ namespace swrenderer
}
}
}
/////////////////////////////////////////////////////////////////////////
void ProjectedWallLight::SetLightLeft(RenderThread *thread, seg_t *lineseg, sector_t *frontsector, const FWallCoords &wallc)
{
x1 = wallc.sx1;
CameraLight *cameraLight = CameraLight::Instance();
if (cameraLight->FixedColormap() == nullptr && cameraLight->FixedLightLevel() < 0)
{
lightlevel = lineseg->sidedef->GetLightLevel(foggy, frontsector->lightlevel);
lightleft = float(thread->Light->WallVis(wallc.sz1, foggy));
lightstep = float((thread->Light->WallVis(wallc.sz2, foggy) - lightleft) / (wallc.sx2 - wallc.sx1));
}
else
{
lightleft = 1;
lightstep = 0;
}
}
}