- fixed: The view path for checking whether the player sprite should be drawn during a portal transition was never set properly in the portal transitioning case.

src/r_main.cpp

@@ -58,6 +58,7 @@
 #include "v_font.h"
 #include "r_data/colormaps.h"
 #include "farchive.h"
+#include "p_maputl.h"
 
 // MACROS ------------------------------------------------------------------
 
@@ -687,7 +688,7 @@ void R_EnterPortal (PortalDrawseg* pds, int depth)
 		P_TranslatePortalXY(pds->src, ViewPath[0].X, ViewPath[0].Y);
 		P_TranslatePortalXY(pds->src, ViewPath[1].X, ViewPath[1].Y);
 
-		if (!r_showviewer && camera)
+		if (!r_showviewer && camera && P_PointOnLineSidePrecise(ViewPath[0], pds->dst) != P_PointOnLineSidePrecise(ViewPath[1], pds->dst))
 		{
 			double distp = (ViewPath[0] - ViewPath[1]).Length();
 			if (distp > EQUAL_EPSILON)

src/r_utility.cpp

@@ -433,14 +433,14 @@ void R_InterpolateView (player_t *player, double Frac, InterpolationViewer *ivie
 				}
 				InterpolationPath.Pop();
 				ViewPath[0] = iview->Old.Pos;
+				ViewPath[1] = ViewPath[0] + (InterpolationPath[0].pos - ViewPath[0]).XY().MakeResize(pathlen);
 			}
 		}
 		else
 		{
 			DVector2 disp = Displacements.getOffset(oldgroup, newgroup);
 			ViewPos = iview->Old.Pos + (iview->New.Pos - iview->Old.Pos - disp) * Frac;
-			ViewPath[1] = iview->New.Pos;
+			ViewPath[0] = ViewPath[1] = iview->New.Pos;
-			ViewPath[0] = iview->Old.Pos;
 		}
 	}
 	else

src/vectors.h

@@ -260,6 +260,16 @@ struct TVector2
 		return len;
 	}
 
+	// Resizes this vector to be the specified length (if it is not 0)
+	TVector2 &MakeResize(double len)
+	{
+		double scale = len / Length();
+		X = vec_t(X * scale);
+		Y = vec_t(Y * scale);
+		return *this;
+	}
+
+
 	// Dot product
 	double operator | (const TVector2 &other) const
 	{