108 static coord_t visOpenRange(LineSide const &side, coord_t *retBottom = nullptr, coord_t *retTop = n…  in visOpenRange()  argument
110     Sector const *frontSec = side.sectorPtr();  in visOpenRange()
111     Sector const *backSec  = side.back().sectorPtr();  in visOpenRange()
140 bool R_SideBackClosed(LineSide const &side, bool ignoreOpacity)  in R_SideBackClosed()  argument
142     if(!side.hasSections()) return false;  in R_SideBackClosed()
143     if(!side.hasSector()) return false;  in R_SideBackClosed()
144     if(side.line().isSelfReferencing()) return false; // Never.  in R_SideBackClosed()
146     if(side.considerOneSided()) return true;  in R_SideBackClosed()
148     Sector const &frontSec = side.sector();  in R_SideBackClosed()
149     Sector const &backSec  = side.back().sector();  in R_SideBackClosed()
158     if (MaterialAnimator *matAnimator = side.middle().materialAnimator())  in R_SideBackClosed()
166 …if(ignoreOpacity || (matAnimator->isOpaque() && !side.middle().blendMode() && side.middle().opacit…  in R_SideBackClosed()
169             if(side.isFlagged(SDF_MIDDLE_STRETCH))  in R_SideBackClosed()
172             if(side.leftHEdge()) // possibility of degenerate BSP leaf  in R_SideBackClosed()
175                 openRange = visOpenRange(side, &openBottom, &openTop);  in R_SideBackClosed()
179                     WallEdge edge(WallSpec::fromMapSide(side, LineSide::Middle),  in R_SideBackClosed()
180                                   *side.leftHEdge(), Line::From);  in R_SideBackClosed()
233 static bool middleMaterialCoversOpening(LineSide const &side)  in middleMaterialCoversOpening()  argument
235     if(!side.hasSector()) return false; // Never.  in middleMaterialCoversOpening()
237     if(!side.hasSections()) return false;  in middleMaterialCoversOpening()
241     if(side.isFlagged(SDF_MIDDLE_STRETCH))  in middleMaterialCoversOpening()
244     MaterialAnimator *matAnimator = side.middle().materialAnimator();  in middleMaterialCoversOpening()
251     if(matAnimator->isOpaque() && !side.middle().blendMode() && side.middle().opacity() >= 1)  in middleMaterialCoversOpening()
253         if(side.leftHEdge())  // possibility of degenerate BSP leaf.  in middleMaterialCoversOpening()
256             openRange = visOpenRange(side, &openBottom, &openTop);  in middleMaterialCoversOpening()
260 …       WallEdge edge(WallSpec::fromMapSide(side, LineSide::Middle), *side.leftHEdge(), Line::From);  in middleMaterialCoversOpening()
306 …LineSide &otherSide = other->side(other->front().sectorPtr() == sector ? Line::Front : Line::Back);  in R_FindSolidLineNeighbor()