From b66925e467ca6cebbaa78fd21eb3e96898d2c8d2 Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Sun, 9 Oct 2016 21:48:25 +0100
Subject: [PATCH] R_FindPlane now has a polyobj argument, R_DrawPlanes now
 skips polyobj planes, like it does with FOF planes

---
 src/r_bsp.c   | 20 ++++++++++++++++++--
 src/r_plane.c | 13 +++++++++++--
 src/r_plane.h |  3 +++
 3 files changed, 32 insertions(+), 4 deletions(-)

diff --git a/src/r_bsp.c b/src/r_bsp.c
index 11159db3..2562cff6 100644
--- a/src/r_bsp.c
+++ b/src/r_bsp.c
@@ -925,6 +925,9 @@ static void R_Subsector(size_t num)
 	{
 		floorplane = R_FindPlane(frontsector->floorheight, frontsector->floorpic, floorlightlevel,
 			frontsector->floor_xoffs, frontsector->floor_yoffs, frontsector->floorpic_angle, floorcolormap, NULL
+#ifdef POLYOBJECTS_PLANES
+			, NULL
+#endif
 #ifdef ESLOPE
 			, frontsector->f_slope
 #endif
@@ -944,6 +947,9 @@ static void R_Subsector(size_t num)
 		ceilingplane = R_FindPlane(frontsector->ceilingheight, frontsector->ceilingpic,
 			ceilinglightlevel, frontsector->ceiling_xoffs, frontsector->ceiling_yoffs, frontsector->ceilingpic_angle,
 			ceilingcolormap, NULL
+#ifdef POLYOBJECTS_PLANES
+			, NULL
+#endif
 #ifdef ESLOPE
 			, frontsector->c_slope
 #endif
@@ -1002,6 +1008,9 @@ static void R_Subsector(size_t num)
 				ffloor[numffloors].plane = R_FindPlane(*rover->bottomheight, *rover->bottompic,
 					*frontsector->lightlist[light].lightlevel, *rover->bottomxoffs,
 					*rover->bottomyoffs, *rover->bottomangle, frontsector->lightlist[light].extra_colormap, rover
+#ifdef POLYOBJECTS_PLANES
+					, NULL
+#endif
 #ifdef ESLOPE
 					, *rover->b_slope
 #endif
@@ -1045,6 +1054,9 @@ static void R_Subsector(size_t num)
 				ffloor[numffloors].plane = R_FindPlane(*rover->topheight, *rover->toppic,
 					*frontsector->lightlist[light].lightlevel, *rover->topxoffs, *rover->topyoffs, *rover->topangle,
 					frontsector->lightlist[light].extra_colormap, rover
+#ifdef POLYOBJECTS_PLANES
+					, NULL
+#endif
 #ifdef ESLOPE
 					, *rover->t_slope
 #endif
@@ -1111,11 +1123,13 @@ static void R_Subsector(size_t num)
 						polysec->floorpic_angle-po->angle,
 						NULL,
 						NULL
+#ifdef POLYOBJECTS_PLANES
+					, po
+#endif
 #ifdef ESLOPE
 					, NULL // will ffloors be slopable eventually?
 #endif
 					);
-				//ffloor[numffloors].plane->polyobj = po;
 
 				ffloor[numffloors].height = polysec->floorheight;
 				ffloor[numffloors].polyobj = po;
@@ -1155,11 +1169,13 @@ static void R_Subsector(size_t num)
 				ffloor[numffloors].plane = R_FindPlane(polysec->ceilingheight, polysec->ceilingpic,
 					polysec->lightlevel, xoff, yoff, polysec->ceilingpic_angle-po->angle,
 					NULL, NULL
+#ifdef POLYOBJECTS_PLANES
+					, po
+#endif
 #ifdef ESLOPE
 					, NULL // will ffloors be slopable eventually?
 #endif
 					);
-				//ffloor[numffloors].plane->polyobj = po;
 
 				ffloor[numffloors].polyobj = po;
 				ffloor[numffloors].height = polysec->ceilingheight;
diff --git a/src/r_plane.c b/src/r_plane.c
index 19007d88..b7b9eaff 100644
--- a/src/r_plane.c
+++ b/src/r_plane.c
@@ -431,6 +431,9 @@ static visplane_t *new_visplane(unsigned hash)
 visplane_t *R_FindPlane(fixed_t height, INT32 picnum, INT32 lightlevel,
 	fixed_t xoff, fixed_t yoff, angle_t plangle, extracolormap_t *planecolormap,
 	ffloor_t *pfloor
+#ifdef POLYOBJECTS_PLANES
+			, polyobj_t *polyobj
+#endif
 #ifdef ESLOPE
 			, pslope_t *slope
 #endif
@@ -470,6 +473,8 @@ visplane_t *R_FindPlane(fixed_t height, INT32 picnum, INT32 lightlevel,
 #ifdef POLYOBJECTS_PLANES
 		if (check->polyobj && pfloor)
 			continue;
+		if (polyobj != check->polyobj)
+			continue;
 #endif
 		if (height == check->height && picnum == check->picnum
 			&& lightlevel == check->lightlevel
@@ -504,7 +509,7 @@ visplane_t *R_FindPlane(fixed_t height, INT32 picnum, INT32 lightlevel,
 	check->viewangle = viewangle;
 	check->plangle = plangle;
 #ifdef POLYOBJECTS_PLANES
-	check->polyobj = NULL;
+	check->polyobj = polyobj;
 #endif
 #ifdef ESLOPE
 	check->slope = slope;
@@ -719,7 +724,11 @@ void R_DrawPlanes(void)
 				continue;
 			}
 
-			if (pl->ffloor != NULL)
+			if (pl->ffloor != NULL
+#ifdef POLYOBJECTS_PLANES
+			|| pl->polyobj != NULL
+#endif
+			)
 				continue;
 
 			R_DrawSinglePlane(pl);
diff --git a/src/r_plane.h b/src/r_plane.h
index ec194071..16c8c12a 100644
--- a/src/r_plane.h
+++ b/src/r_plane.h
@@ -97,6 +97,9 @@ void R_MakeSpans(INT32 x, INT32 t1, INT32 b1, INT32 t2, INT32 b2);
 void R_DrawPlanes(void);
 visplane_t *R_FindPlane(fixed_t height, INT32 picnum, INT32 lightlevel, fixed_t xoff, fixed_t yoff, angle_t plangle,
 	extracolormap_t *planecolormap, ffloor_t *ffloor
+#ifdef POLYOBJECTS_PLANES
+	, polyobj_t *polyobj
+#endif
 #ifdef ESLOPE
 	, pslope_t *slope
 #endif