diff --git a/debian/rules b/debian/rules
index 02e3dc78ece7f4579f974ec22542f8661b10cde7..ff80d50bf2f2f881937f42d607d370b31b85e668 100755
--- a/debian/rules
+++ b/debian/rules
@@ -59,6 +59,7 @@ DBGNAME	= debug/$(EXENAME)
 
 PKGDIR	= usr/games/SRB2
 DBGDIR	= usr/lib/debug/$(PKGDIR)
+LINKDIR = usr/games
 PIXMAPS_DIR = usr/share/pixmaps
 DESKTOP_DIR = usr/share/applications
 PREFIX	= $(shell test "$(CROSS_COMPILE_BUILD)" != "$(CROSS_COMPILE_HOST)" && echo "PREFIX=$(CROSS_COMPILE_HOST)")
@@ -133,7 +134,7 @@ binary-arch:
 	# dh_installcron
 	# dh_installinfo
 	# dh_installman
-	# dh_link
+	dh_link $(PKGDIR)/$(EXENAME) $(LINKDIR)/$(EXENAME)
 	dh_compress
 	dh_fixperms
 	# dh_perl
diff --git a/src/am_map.c b/src/am_map.c
index 6b97dd282042cb2a26493a68f921d4f0ec9d1261..5e73d2ec45880c2d1741442b97436f669ef1f296 100644
--- a/src/am_map.c
+++ b/src/am_map.c
@@ -11,8 +11,8 @@
 /// \file  am_map.c
 /// \brief Code for the 'automap', former Doom feature used for DEVMODE testing
 
-#include "g_game.h"
 #include "am_map.h"
+#include "g_game.h"
 #include "g_input.h"
 #include "p_local.h"
 #include "p_slopes.h"
@@ -33,7 +33,6 @@ static const UINT8 GRAYSRANGE  = 16;
 static const UINT8 BROWNS      = (3*16);
 static const UINT8 YELLOWS     = (7*16);
 static const UINT8 GREENS      = (10*16);
-static const UINT8 GREENRANGE  = 16;
 static const UINT8 DBLACK      = 31;
 static const UINT8 DWHITE      = 0;
 
@@ -50,8 +49,6 @@ static const UINT8 NOCLIMBYELLOWS     = (11*16);
 
 // Automap colors
 #define BACKGROUND            DBLACK
-#define YOURCOLORS            DWHITE
-#define YOURRANGE             0
 #define WALLCOLORS            (REDS + REDRANGE/2)
 #define WALLRANGE             (REDRANGE/2)
 #define NOCLIMBWALLCOLORS     (NOCLIMBREDS + NOCLIMBREDRANGE/2)
@@ -68,31 +65,23 @@ static const UINT8 NOCLIMBYELLOWS     = (11*16);
 #define CDWALLCOLORS          YELLOWS
 #define NOCLIMBCDWALLCOLORS   NOCLIMBYELLOWS
 #define THINGCOLORS           GREENS
-#define THINGRANGE            GREENRANGE
-#define SECRETWALLCOLORS      WALLCOLORS
-#define SECRETWALLRANGE       WALLRANGE
 #define GRIDCOLORS            (GRAYS + GRAYSRANGE/2)
-#define GRIDRANGE             0
 #define XHAIRCOLORS           GRAYS
 
-// drawing stuff
-#define FB 0
-
-#define AM_PANDOWNKEY   KEY_DOWNARROW
+// controls
 #define AM_PANUPKEY     KEY_UPARROW
-#define AM_PANRIGHTKEY  KEY_RIGHTARROW
+#define AM_PANDOWNKEY   KEY_DOWNARROW
 #define AM_PANLEFTKEY   KEY_LEFTARROW
+#define AM_PANRIGHTKEY  KEY_RIGHTARROW
+
 #define AM_ZOOMINKEY    '='
 #define AM_ZOOMOUTKEY   '-'
-#define AM_STARTKEY     KEY_TAB
-#define AM_ENDKEY       KEY_TAB
 #define AM_GOBIGKEY     '0'
+
 #define AM_FOLLOWKEY    'f'
 #define AM_GRIDKEY      'g'
-#define AM_MARKKEY      'm'
-#define AM_CLEARMARKKEY 'c'
 
-#define AM_NUMMARKPOINTS 10
+#define AM_TOGGLEKEY    KEY_TAB
 
 // scale on entry
 #define INITSCALEMTOF (FRACUNIT/5)
@@ -113,6 +102,9 @@ static const UINT8 NOCLIMBYELLOWS     = (11*16);
 #define CXMTOF(x) (f_x + MTOF((x)-m_x))
 #define CYMTOF(y) (f_y + (f_h - MTOF((y)-m_y)))
 
+#define MAPBITS (FRACBITS-4)
+#define FRACTOMAPBITS (FRACBITS-MAPBITS)
+
 typedef struct
 {
 	fixed_t x, y;
@@ -133,7 +125,10 @@ typedef struct
 // A line drawing of the player pointing right,
 //   starting from the middle.
 //
+
+#define PLAYERRADIUS (16*(1<<MAPBITS))
 #define R ((8*PLAYERRADIUS)/7)
+
 static const mline_t player_arrow[] = {
 	{ { -R+R/8, 0 }, { R, 0 } }, // -----
 	{ { R, 0 }, { R-R/2, R/4 } }, // ----->
@@ -166,27 +161,15 @@ static const mline_t thintriangle_guy[] = {
 #undef R
 #define NUMTHINTRIANGLEGUYLINES (sizeof (thintriangle_guy)/sizeof (mline_t))
 
-static INT32 bigstate; //added : 24-01-98 : moved here, toggle between
-                     // user view and large view (full map view)
-
-static INT32 grid = 0;
-
-static INT32 leveljuststarted = 1; // kluge until AM_LevelInit() is called
+static boolean bigstate;	// user view and large view (full map view)
+static boolean draw_grid = false;
 
 boolean automapactive = false;
 boolean am_recalc = false; //added : 05-02-98 : true when screen size changes
+static boolean am_stopped = true;
 
-// location of window on screen
-static INT32 f_x;
-static INT32 f_y;
-
-// size of window on screen
-static INT32 f_w;
-static INT32 f_h;
-
-static INT32 lightlev; // used for funky strobing effect
-static UINT8 *fb; // pseudo-frame buffer
-static INT32 amclock;
+static INT32 f_x, f_y;	// location of window on screen (always zero for both)
+static INT32 f_w, f_h;	// size of window on screen (always the screen width and height respectively)
 
 static mpoint_t m_paninc; // how far the window pans each tic (map coords)
 static fixed_t mtof_zoommul; // how far the window zooms in each tic (map coords)
@@ -210,11 +193,6 @@ static fixed_t max_y;
 static fixed_t max_w; // max_x-min_x,
 static fixed_t max_h; // max_y-min_y
 
-// based on player size
-static fixed_t min_w;
-static fixed_t min_h;
-
-
 static fixed_t min_scale_mtof; // used to tell when to stop zooming out
 static fixed_t max_scale_mtof; // used to tell when to stop zooming in
 
@@ -232,13 +210,7 @@ static fixed_t scale_ftom;
 
 static player_t *plr; // the player represented by an arrow
 
-static patch_t *marknums[10];                   // numbers used for marking by the automap
-static mpoint_t markpoints[AM_NUMMARKPOINTS];   // where the points are
-static INT32 markpointnum = 0;                    // next point to be assigned
-
-static INT32 followplayer = 1; // specifies whether to follow the player around
-
-static boolean stopped = true;
+static INT32 followplayer = true; // specifies whether to follow the player around
 
 // function for drawing lines, depends on rendermode
 typedef void (*AMDRAWFLINEFUNC) (const fline_t *fl, INT32 color);
@@ -277,8 +249,8 @@ static inline void AM_restoreScaleAndLoc(void)
 	}
 	else
 	{
-		m_x = plr->mo->x - m_w/2;
-		m_y = plr->mo->y - m_h/2;
+		m_x = (plr->mo->x >> FRACTOMAPBITS) - m_w/2;
+		m_y = (plr->mo->y >> FRACTOMAPBITS) - m_h/2;
 	}
 	m_x2 = m_x + m_w;
 	m_y2 = m_y + m_h;
@@ -288,15 +260,6 @@ static inline void AM_restoreScaleAndLoc(void)
 	scale_ftom = FixedDiv(FRACUNIT, scale_mtof);
 }
 
-/** Adds a marker at the current location.
-  */
-static inline void AM_addMark(void)
-{
-	markpoints[markpointnum].x = m_x + m_w/2;
-	markpoints[markpointnum].y = m_y + m_h/2;
-	markpointnum = (markpointnum + 1) % AM_NUMMARKPOINTS;
-}
-
 /** Determines the bounding box around all vertices.
   * This is used to set global variables controlling the zoom range.
   */
@@ -322,11 +285,8 @@ static void AM_findMinMaxBoundaries(void)
 			max_y = vertexes[i].y;
 	}
 
-	max_w = max_x - min_x;
-	max_h = max_y - min_y;
-
-	min_w = 2*PLAYERRADIUS; // const? never changed?
-	min_h = 2*PLAYERRADIUS;
+	max_w = (max_x >>= FRACTOMAPBITS) - (min_x >>= FRACTOMAPBITS);
+	max_h = (max_y >>= FRACTOMAPBITS) - (min_y >>= FRACTOMAPBITS);
 
 	a = FixedDiv(f_w<<FRACBITS, max_w);
 	b = FixedDiv(f_h<<FRACBITS, max_h);
@@ -339,7 +299,7 @@ static void AM_changeWindowLoc(void)
 {
 	if (m_paninc.x || m_paninc.y)
 	{
-		followplayer = 0;
+		followplayer = false;
 		f_oldloc.x = INT32_MAX;
 	}
 
@@ -365,11 +325,7 @@ static void AM_initVariables(void)
 	INT32 pnum;
 
 	automapactive = true;
-	fb = screens[0];
-
 	f_oldloc.x = INT32_MAX;
-	amclock = 0;
-	lightlev = 0;
 
 	m_paninc.x = m_paninc.y = 0;
 	ftom_zoommul = FRACUNIT;
@@ -385,8 +341,11 @@ static void AM_initVariables(void)
 				break;
 
 	plr = &players[pnum];
-	m_x = plr->mo->x - m_w/2;
-	m_y = plr->mo->y - m_h/2;
+	if (plr != NULL && plr->mo != NULL)
+	{
+		m_x = (plr->mo->x >> FRACTOMAPBITS) - m_w/2;
+		m_y = (plr->mo->y >> FRACTOMAPBITS) - m_h/2;
+	}
 	AM_changeWindowLoc();
 
 	// for saving & restoring
@@ -396,41 +355,21 @@ static void AM_initVariables(void)
 	old_m_h = m_h;
 }
 
-static const UINT8 *maplump; // pointer to the raw data for the automap background.
-
-/** Clears all map markers.
-  */
-static void AM_clearMarks(void)
-{
-	INT32 i;
-
-	for (i = 0; i < AM_NUMMARKPOINTS; i++)
-		markpoints[i].x = -1; // means empty
-	markpointnum = 0;
-}
-
 //
 // should be called at the start of every level
 // right now, i figure it out myself
 //
 static void AM_LevelInit(void)
 {
-	leveljuststarted = 0;
-
 	f_x = f_y = 0;
 	f_w = vid.width;
 	f_h = vid.height;
 
-	if (rendermode == render_soft)
-		AM_drawFline = AM_drawFline_soft;
-#ifdef HWRENDER // not win32 only 19990829 by Kin
-	else if (rendermode != render_none)
+	AM_drawFline = AM_drawFline_soft;
+#ifdef HWRENDER
+	if (rendermode == render_opengl)
 		AM_drawFline = HWR_drawAMline;
 #endif
-	else
-		I_Error("Automap can't run without a render system");
-
-	AM_clearMarks();
 
 	AM_findMinMaxBoundaries();
 	scale_mtof = FixedDiv(min_scale_mtof*10, 7*FRACUNIT);
@@ -446,7 +385,7 @@ static void AM_LevelInit(void)
 void AM_Stop(void)
 {
 	automapactive = false;
-	stopped = true;
+	am_stopped = true;
 }
 
 /** Enables automap.
@@ -457,15 +396,14 @@ static inline void AM_Start(void)
 {
 	static INT32 lastlevel = -1;
 
-	if (!stopped)
+	if (!am_stopped)
 		AM_Stop();
-	stopped = false;
+	am_stopped = false;
 	if (lastlevel != gamemap || am_recalc) // screen size changed
 	{
-		am_recalc = false;
-
 		AM_LevelInit();
 		lastlevel = gamemap;
+		am_recalc = false;
 	}
 	AM_initVariables();
 }
@@ -503,7 +441,7 @@ boolean AM_Responder(event_t *ev)
 	{
 		if (!automapactive)
 		{
-			if (ev->type == ev_keydown && ev->data1 == AM_STARTKEY)
+			if (ev->type == ev_keydown && ev->data1 == AM_TOGGLEKEY)
 			{
 				//faB: prevent alt-tab in win32 version to activate automap just before
 				//     minimizing the app; doesn't do any harm to the DOS version
@@ -515,10 +453,8 @@ boolean AM_Responder(event_t *ev)
 				}
 			}
 		}
-
 		else if (ev->type == ev_keydown)
 		{
-
 			rc = true;
 			switch (ev->data1)
 			{
@@ -554,7 +490,7 @@ boolean AM_Responder(event_t *ev)
 					mtof_zoommul = M_ZOOMIN;
 					ftom_zoommul = M_ZOOMOUT;
 					break;
-				case AM_ENDKEY:
+				case AM_TOGGLEKEY:
 					AM_Stop();
 					break;
 				case AM_GOBIGKEY:
@@ -572,13 +508,7 @@ boolean AM_Responder(event_t *ev)
 					f_oldloc.x = INT32_MAX;
 					break;
 				case AM_GRIDKEY:
-					grid = !grid;
-					break;
-				case AM_MARKKEY:
-					AM_addMark();
-					break;
-				case AM_CLEARMARKKEY:
-					AM_clearMarks();
+					draw_grid = !draw_grid;
 					break;
 				default:
 					rc = false;
@@ -632,8 +562,8 @@ static inline void AM_doFollowPlayer(void)
 {
 	if (f_oldloc.x != plr->mo->x || f_oldloc.y != plr->mo->y)
 	{
-		m_x = FTOM(MTOF(plr->mo->x)) - m_w/2;
-		m_y = FTOM(MTOF(plr->mo->y)) - m_h/2;
+		m_x = FTOM(MTOF(plr->mo->x >> FRACTOMAPBITS)) - m_w/2;
+		m_y = FTOM(MTOF(plr->mo->y >> FRACTOMAPBITS)) - m_h/2;
 		m_x2 = m_x + m_w;
 		m_y2 = m_y + m_h;
 		f_oldloc.x = plr->mo->x;
@@ -651,8 +581,6 @@ void AM_Ticker(void)
 	if (dedicated || !automapactive)
 		return;
 
-	amclock++;
-
 	if (followplayer)
 		AM_doFollowPlayer();
 
@@ -671,72 +599,7 @@ void AM_Ticker(void)
   */
 static void AM_clearFB(INT32 color)
 {
-#ifdef HWRENDER
-	if (rendermode != render_soft && rendermode != render_none)
-	{
-		HWR_clearAutomap();
-		return;
-	}
-#endif
-
-	if (!maplump)
-		memset(fb, color, f_w*f_h*vid.bpp);
-	else
-	{
-		INT32 dmapx, dmapy, i, y;
-		static INT32 mapxstart, mapystart;
-		UINT8 *dest = screens[0];
-		const UINT8 *src;
-#define MAPLUMPHEIGHT (200 - 42)
-
-		if (followplayer)
-		{
-			static vertex_t oldplr;
-
-			dmapx = MTOF(plr->mo->x) - MTOF(oldplr.x); //fixed point
-			dmapy = MTOF(oldplr.y) - MTOF(plr->mo->y);
-
-			oldplr.x = plr->mo->x;
-			oldplr.y = plr->mo->y;
-			mapxstart += dmapx>>1;
-			mapystart += dmapy>>1;
-
-			while (mapxstart >= BASEVIDWIDTH)
-				mapxstart -= BASEVIDWIDTH;
-			while (mapxstart < 0)
-				mapxstart += BASEVIDWIDTH;
-			while (mapystart >= MAPLUMPHEIGHT)
-				mapystart -= MAPLUMPHEIGHT;
-			while (mapystart < 0)
-				mapystart += MAPLUMPHEIGHT;
-		}
-		else
-		{
-			mapxstart += (MTOF(m_paninc.x)>>1);
-			mapystart -= (MTOF(m_paninc.y)>>1);
-			if (mapxstart >= BASEVIDWIDTH)
-				mapxstart -= BASEVIDWIDTH;
-			if (mapxstart < 0)
-				mapxstart += BASEVIDWIDTH;
-			if (mapystart >= MAPLUMPHEIGHT)
-				mapystart -= MAPLUMPHEIGHT;
-			if (mapystart < 0)
-				mapystart += MAPLUMPHEIGHT;
-		}
-
-		//blit the automap background to the screen.
-		for (y = 0; y < f_h; y++)
-		{
-			src = maplump + mapxstart + (y + mapystart)*BASEVIDWIDTH;
-			for (i = 0; i < BASEVIDWIDTH*vid.dupx; i++)
-			{
-				while (src > maplump + BASEVIDWIDTH*MAPLUMPHEIGHT)
-					src -= BASEVIDWIDTH*MAPLUMPHEIGHT;
-				*dest++ = *src++;
-			}
-			dest += vid.width - vid.dupx*BASEVIDWIDTH;
-		}
-	}
+	V_DrawFill(f_x, f_y, f_w, f_h, color|V_NOSCALESTART);
 }
 
 /** Performs automap clipping of lines.
@@ -871,7 +734,7 @@ static boolean AM_clipMline(const mline_t *ml, fline_t *fl)
 //
 static void AM_drawFline_soft(const fline_t *fl, INT32 color)
 {
-	register INT32 x, y, dx, dy, sx, sy, ax, ay, d;
+	INT32 x, y, dx, dy, sx, sy, ax, ay, d;
 
 #ifdef _DEBUG
 	static INT32 num = 0;
@@ -887,7 +750,7 @@ static void AM_drawFline_soft(const fline_t *fl, INT32 color)
 	}
 #endif
 
-#define PUTDOT(xx,yy,cc) fb[(yy)*f_w + (xx)]=(UINT8)(cc)
+	#define PUTDOT(xx,yy,cc) V_DrawFill(xx,yy,1,1,cc|V_NOSCALESTART);
 
 	dx = fl->b.x - fl->a.x;
 	ax = 2 * (dx < 0 ? -dx : dx);
@@ -905,7 +768,7 @@ static void AM_drawFline_soft(const fline_t *fl, INT32 color)
 		d = ay - ax/2;
 		for (;;)
 		{
-			PUTDOT(x, y, color);
+			PUTDOT(x, y, color)
 			if (x == fl->b.x)
 				return;
 			if (d >= 0)
@@ -922,7 +785,7 @@ static void AM_drawFline_soft(const fline_t *fl, INT32 color)
 		d = ax - ay/2;
 		for (;;)
 		{
-			PUTDOT(x, y, color);
+			PUTDOT(x, y, color)
 			if (y == fl->b.y)
 				return;
 			if (d >= 0)
@@ -934,6 +797,8 @@ static void AM_drawFline_soft(const fline_t *fl, INT32 color)
 			d += ax;
 		}
 	}
+
+	#undef PUTDOT
 }
 
 //
@@ -1004,15 +869,15 @@ static inline void AM_drawWalls(void)
 
 	for (i = 0; i < numlines; i++)
 	{
-		l.a.x = lines[i].v1->x;
-		l.a.y = lines[i].v1->y;
-		l.b.x = lines[i].v2->x;
-		l.b.y = lines[i].v2->y;
+		l.a.x = lines[i].v1->x >> FRACTOMAPBITS;
+		l.a.y = lines[i].v1->y >> FRACTOMAPBITS;
+		l.b.x = lines[i].v2->x >> FRACTOMAPBITS;
+		l.b.y = lines[i].v2->y >> FRACTOMAPBITS;
 #ifdef ESLOPE
 #define SLOPEPARAMS(slope, end1, end2, normalheight) \
 		if (slope) { \
-			end1 = P_GetZAt(slope, l.a.x, l.a.y); \
-			end2 = P_GetZAt(slope, l.b.x, l.b.y); \
+			end1 = P_GetZAt(slope, lines[i].v1->x, lines[i].v1->y); \
+			end2 = P_GetZAt(slope, lines[i].v2->x, lines[i].v2->y); \
 		} else \
 			end1 = end2 = normalheight;
 
@@ -1025,17 +890,12 @@ static inline void AM_drawWalls(void)
 #undef SLOPEPARAMS
 #endif
 
-//		AM_drawMline(&l, GRAYS + 3); // Old, everything-is-gray automap
 		if (!lines[i].backsector) // 1-sided
 		{
 			if (lines[i].flags & ML_NOCLIMB)
-			{
-				AM_drawMline(&l, NOCLIMBWALLCOLORS+lightlev);
-			}
+				AM_drawMline(&l, NOCLIMBWALLCOLORS);
 			else
-			{
-				AM_drawMline(&l, WALLCOLORS+lightlev);
-			}
+				AM_drawMline(&l, WALLCOLORS);
 		}
 #ifdef ESLOPE
 		else if ((backf1 == backc1 && backf2 == backc2) // Back is thok barrier
@@ -1052,24 +912,16 @@ static inline void AM_drawWalls(void)
 #endif
 			{
 				if (lines[i].flags & ML_NOCLIMB)
-				{
-					AM_drawMline(&l, NOCLIMBTSWALLCOLORS+lightlev);
-				}
+					AM_drawMline(&l, NOCLIMBTSWALLCOLORS);
 				else
-				{
-					AM_drawMline(&l, TSWALLCOLORS+lightlev);
-				}
+					AM_drawMline(&l, TSWALLCOLORS);
 			}
 			else
 			{
 				if (lines[i].flags & ML_NOCLIMB)
-				{
-					AM_drawMline(&l, NOCLIMBTHOKWALLCOLORS+lightlev);
-				}
+					AM_drawMline(&l, NOCLIMBTHOKWALLCOLORS);
 				else
-				{
-					AM_drawMline(&l, THOKWALLCOLORS+lightlev);
-				}
+					AM_drawMline(&l, THOKWALLCOLORS);
 			}
 		}
 		else
@@ -1081,7 +933,7 @@ static inline void AM_drawWalls(void)
 				if (lines[i].backsector->floorheight
 						!= lines[i].frontsector->floorheight) {
 #endif
-					AM_drawMline(&l, NOCLIMBFDWALLCOLORS + lightlev); // floor level change
+					AM_drawMline(&l, NOCLIMBFDWALLCOLORS); // floor level change
 				}
 #ifdef ESLOPE
 				else if (backc1 != frontc1 || backc2 != frontc2) {
@@ -1089,11 +941,10 @@ static inline void AM_drawWalls(void)
 				else if (lines[i].backsector->ceilingheight
 						!= lines[i].frontsector->ceilingheight) {
 #endif
-					AM_drawMline(&l, NOCLIMBCDWALLCOLORS+lightlev); // ceiling level change
-				}
-				else {
-					AM_drawMline(&l, NOCLIMBTSWALLCOLORS+lightlev);
+					AM_drawMline(&l, NOCLIMBCDWALLCOLORS); // ceiling level change
 				}
+				else
+					AM_drawMline(&l, NOCLIMBTSWALLCOLORS);
 			}
 			else
 			{
@@ -1103,7 +954,7 @@ static inline void AM_drawWalls(void)
 				if (lines[i].backsector->floorheight
 						!= lines[i].frontsector->floorheight) {
 #endif
-					AM_drawMline(&l, FDWALLCOLORS + lightlev); // floor level change
+					AM_drawMline(&l, FDWALLCOLORS); // floor level change
 				}
 #ifdef ESLOPE
 				else if (backc1 != frontc1 || backc2 != frontc2) {
@@ -1111,11 +962,10 @@ static inline void AM_drawWalls(void)
 				else if (lines[i].backsector->ceilingheight
 						!= lines[i].frontsector->ceilingheight) {
 #endif
-					AM_drawMline(&l, CDWALLCOLORS+lightlev); // ceiling level change
-				}
-				else {
-					AM_drawMline(&l, TSWALLCOLORS+lightlev);
+					AM_drawMline(&l, CDWALLCOLORS); // ceiling level change
 				}
+				else
+					AM_drawMline(&l, TSWALLCOLORS);
 			}
 		}
 	}
@@ -1176,6 +1026,11 @@ static void AM_drawLineCharacter(const mline_t *lineguy, size_t lineguylines, fi
 		l.b.x += x;
 		l.b.y += y;
 
+		l.a.x >>= FRACTOMAPBITS;
+		l.a.y >>= FRACTOMAPBITS;
+		l.b.x >>= FRACTOMAPBITS;
+		l.b.y >>= FRACTOMAPBITS;
+
 		AM_drawMline(&l, color);
 	}
 }
@@ -1184,83 +1039,51 @@ static inline void AM_drawPlayers(void)
 {
 	INT32 i;
 	player_t *p;
-	INT32 color;
+	INT32 color = GREENS;
 
 	if (!multiplayer)
 	{
-		AM_drawLineCharacter(player_arrow, NUMPLYRLINES, 0,
-			plr->mo->angle, DWHITE, plr->mo->x, plr->mo->y);
+		AM_drawLineCharacter(player_arrow, NUMPLYRLINES, 0, plr->mo->angle, DWHITE, plr->mo->x, plr->mo->y);
 		return;
 	}
 
-	// multiplayer
+	// multiplayer (how??)
 	for (i = 0; i < MAXPLAYERS; i++)
 	{
 		if (!playeringame[i] || players[i].spectator)
 			continue;
 
 		p = &players[i];
-		if (p->skincolor == 0)
-			color = GREENS;
-		else
+		if (p->skincolor > 0)
 			color = R_GetTranslationColormap(TC_DEFAULT, p->skincolor, GTC_CACHE)[GREENS + 8];
 
-		AM_drawLineCharacter(player_arrow, NUMPLYRLINES, 0, p->mo->angle,
-			color, p->mo->x, p->mo->y);
+		AM_drawLineCharacter(player_arrow, NUMPLYRLINES, 0, p->mo->angle, color, p->mo->x, p->mo->y);
 	}
 }
 
-static inline void AM_drawThings(INT32 colors, INT32 colorrange)
+static inline void AM_drawThings(UINT8 colors)
 {
 	size_t i;
 	mobj_t *t;
 
-	(void)colorrange;
 	for (i = 0; i < numsectors; i++)
 	{
 		t = sectors[i].thinglist;
 		while (t)
 		{
-			AM_drawLineCharacter(thintriangle_guy, NUMTHINTRIANGLEGUYLINES,
-				16<<FRACBITS, t->angle, colors + lightlev, t->x, t->y);
+			AM_drawLineCharacter(thintriangle_guy, NUMTHINTRIANGLEGUYLINES, 16<<FRACBITS, t->angle, colors, t->x, t->y);
 			t = t->snext;
 		}
 	}
 }
 
-static inline void AM_drawMarks(void)
-{
-	INT32 i, fx, fy, w, h;
-
-	for (i = 0; i < AM_NUMMARKPOINTS; i++)
-	{
-		if (markpoints[i].x != -1 && marknums[i])
-		{
-			// w = SHORT(marknums[i]->width);
-			// h = SHORT(marknums[i]->height);
-			w = 5; // because something's wrong with the wad, i guess
-			h = 6; // because something's wrong with the wad, i guess
-			fx = CXMTOF(markpoints[i].x);
-			fy = CYMTOF(markpoints[i].y);
-			if (fx >= f_x && fx <= f_w - w && fy >= f_y && fy <= f_h - h)
-				V_DrawPatch(fx, fy, FB, marknums[i]);
-		}
-	}
-}
-
 /** Draws the crosshair, actually just a dot in software mode.
   *
   * \param color Color for the crosshair.
   */
-static inline void AM_drawCrosshair(INT32 color)
+static inline void AM_drawCrosshair(UINT8 color)
 {
-	if (rendermode != render_soft)
-		return; // BP: should be putpixel here
-
-	if (scr_bpp == 1)
-		fb[(f_w*(f_h + 1))/2] = (UINT8)color; // single point for now
-	else
-		*((INT16 *)(void *)fb + (f_w*(f_h + 1))/2) = (INT16)color;
+	V_DrawFill(f_w/2 + f_x, f_h/2 + f_y, 1, 1, color|V_NOSCALESTART);
 }
 
 /** Draws the automap.
@@ -1271,13 +1094,10 @@ void AM_Drawer(void)
 		return;
 
 	AM_clearFB(BACKGROUND);
-	if (grid)
-		AM_drawGrid(GRIDCOLORS);
+	if (draw_grid) AM_drawGrid(GRIDCOLORS);
 	AM_drawWalls();
 	AM_drawPlayers();
-	AM_drawThings(THINGCOLORS, THINGRANGE);
+	AM_drawThings(THINGCOLORS);
 
 	AM_drawCrosshair(XHAIRCOLORS);
-
-	AM_drawMarks();
 }
diff --git a/src/command.c b/src/command.c
index 47c6d2e5f7e8922cd321f5cda2e0805b23e35175..16f18749b091d9999feaf70638deacf3da2a6a52 100644
--- a/src/command.c
+++ b/src/command.c
@@ -32,6 +32,7 @@
 #include "hu_stuff.h"
 #include "p_setup.h"
 #include "lua_script.h"
+#include "d_netfil.h" // findfile
 
 //========
 // protos.
@@ -641,6 +642,7 @@ static void COM_CEchoDuration_f(void)
 static void COM_Exec_f(void)
 {
 	UINT8 *buf = NULL;
+	char filename[256];
 
 	if (COM_Argc() < 2 || COM_Argc() > 3)
 	{
@@ -649,13 +651,23 @@ static void COM_Exec_f(void)
 	}
 
 	// load file
+	// Try with Argv passed verbatim first, for back compat
 	FIL_ReadFile(COM_Argv(1), &buf);
 
 	if (!buf)
 	{
-		if (!COM_CheckParm("-noerror"))
-			CONS_Printf(M_GetText("couldn't execute file %s\n"), COM_Argv(1));
-		return;
+		// Now try by searching the file path
+		// filename is modified with the full found path
+		strcpy(filename, COM_Argv(1));
+		if (findfile(filename, NULL, true) != FS_NOTFOUND)
+			FIL_ReadFile(filename, &buf);
+
+		if (!buf)
+		{
+			if (!COM_CheckParm("-noerror"))
+				CONS_Printf(M_GetText("couldn't execute file %s\n"), COM_Argv(1));
+			return;
+		}
 	}
 
 	if (!COM_CheckParm("-silent"))
diff --git a/src/console.c b/src/console.c
index 2c148bc69c6361b510814ec728348710954f8a76..11bf4cb11ab3143f30e7f64fd8bc817f694330cd 100644
--- a/src/console.c
+++ b/src/console.c
@@ -58,10 +58,7 @@ static boolean consoleready;  // console prompt is ready
        INT32 con_destlines; // vid lines used by console at final position
 static INT32 con_curlines;  // vid lines currently used by console
 
-       INT32 con_clipviewtop; // clip value for planes & sprites, so that the
-                            // part of the view covered by the console is not
-                            // drawn when not needed, this must be -1 when
-                            // console is off
+       INT32 con_clipviewtop; // (useless)
 
 static INT32 con_hudlines;        // number of console heads up message lines
 static INT32 con_hudtime[MAXHUDLINES];      // remaining time of display for hud msg lines
diff --git a/src/d_clisrv.h b/src/d_clisrv.h
index a906758fd8415d1691cd2f1a9dfba533039e716d..dd1aaf4eab0bf9754173a4988c62dde8533f53d7 100644
--- a/src/d_clisrv.h
+++ b/src/d_clisrv.h
@@ -429,9 +429,9 @@ extern doomdata_t *netbuffer;
 
 extern consvar_t cv_playbackspeed;
 
-#define BASEPACKETSIZE ((size_t)&(((doomdata_t *)0)->u))
-#define FILETXHEADER ((size_t)((filetx_pak *)0)->data)
-#define BASESERVERTICSSIZE ((size_t)&(((doomdata_t *)0)->u.serverpak.cmds[0]))
+#define BASEPACKETSIZE      offsetof(doomdata_t, u)
+#define FILETXHEADER        offsetof(filetx_pak, data)
+#define BASESERVERTICSSIZE  offsetof(doomdata_t, u.serverpak.cmds[0])
 
 #define KICK_MSG_GO_AWAY     1
 #define KICK_MSG_CON_FAIL    2
diff --git a/src/d_main.c b/src/d_main.c
index 23835136ac0c3867a23a7e2c6bf8d5ee514c5e6f..df422232eb1bda8ec0129b30a62c2c7dc190be5b 100644
--- a/src/d_main.c
+++ b/src/d_main.c
@@ -319,8 +319,7 @@ static void D_Display(void)
 			if (!gametic)
 				break;
 			HU_Erase();
-			if (automapactive)
-				AM_Drawer();
+			AM_Drawer();
 			break;
 
 		case GS_INTERMISSION:
@@ -374,12 +373,10 @@ static void D_Display(void)
 			break;
 	}
 
-	// clean up border stuff
-	// see if the border needs to be initially drawn
 	if (gamestate == GS_LEVEL)
 	{
 		// draw the view directly
-		if (!automapactive && !dedicated && cv_renderview.value)
+		if (cv_renderview.value && !automapactive)
 		{
 			if (players[displayplayer].mo || players[displayplayer].playerstate == PST_DEAD)
 			{
@@ -437,7 +434,6 @@ static void D_Display(void)
 		}
 
 		ST_Drawer();
-
 		HU_Drawer();
 	}
 
diff --git a/src/d_net.c b/src/d_net.c
index 82c60e4ae01c26dc600e793247103862b1ad43b9..cdd63ea32a0649fbd5cfc86ed9adcd8d1dc361df 100644
--- a/src/d_net.c
+++ b/src/d_net.c
@@ -27,6 +27,7 @@
 #include "d_clisrv.h"
 #include "z_zone.h"
 #include "i_tcp.h"
+#include "d_main.h" // srb2home
 
 //
 // NETWORKING
@@ -1374,12 +1375,12 @@ boolean D_CheckNetGame(void)
 		{
 			k++;
 			sprintf(filename, "debug%d.txt", k);
-			debugfile = fopen(filename, "w");
+			debugfile = fopen(va("%s" PATHSEP "%s", srb2home, filename), "w");
 		}
 		if (debugfile)
-			CONS_Printf(M_GetText("debug output to: %s\n"), filename);
+			CONS_Printf(M_GetText("debug output to: %s\n"), va("%s" PATHSEP "%s", srb2home, filename));
 		else
-			CONS_Alert(CONS_WARNING, M_GetText("cannot debug output to file %s!\n"), filename);
+			CONS_Alert(CONS_WARNING, M_GetText("cannot debug output to file %s!\n"), va("%s" PATHSEP "%s", srb2home, filename));
 	}
 #endif
 #endif
diff --git a/src/d_netcmd.c b/src/d_netcmd.c
index 8abfb8709e140e6bf4f7441bc89b15b66c8143d9..bc6417268f44cb5d45be9e2f50922b2f213b87fd 100644
--- a/src/d_netcmd.c
+++ b/src/d_netcmd.c
@@ -3440,7 +3440,7 @@ static void Command_Version_f(void)
 #elif defined(__linux__)
 	CONS_Printf("Linux ");
 #elif defined(MACOSX)
-	CONS_Printf("macOS" );
+	CONS_Printf("macOS ");
 #elif defined(UNIXCOMMON)
 	CONS_Printf("Unix (Common) ");
 #else
@@ -3465,6 +3465,11 @@ static void Command_Version_f(void)
 	CONS_Printf("\x85" "DEBUG " "\x80");
 #endif
 
+	// DEVELOP build
+#ifdef DEVELOP
+	CONS_Printf("\x87" "DEVELOP " "\x80");
+#endif
+
 	CONS_Printf("\n");
 }
 
diff --git a/src/dehacked.c b/src/dehacked.c
index edc4e01d372aed3cb16c6a9cc3cb968e2afefd70..cd9156766976a35d33f39fbf3888d7012995c3f1 100644
--- a/src/dehacked.c
+++ b/src/dehacked.c
@@ -1248,6 +1248,18 @@ static void readlevelheader(MYFILE *f, INT32 num)
 					deh_warning("Level header %d: invalid bonus type number %d", num, i);
 			}
 
+			else if (fastcmp(word, "SAVEOVERRIDE"))
+			{
+				if      (fastcmp(word2, "DEFAULT")) i = SAVE_DEFAULT;
+				else if (fastcmp(word2, "ALWAYS"))  i = SAVE_ALWAYS;
+				else if (fastcmp(word2, "NEVER"))   i = SAVE_NEVER;
+
+				if (i >= SAVE_NEVER && i <= SAVE_ALWAYS)
+					mapheaderinfo[num-1]->saveoverride = (SINT8)i;
+				else
+					deh_warning("Level header %d: invalid save override number %d", num, i);
+			}
+
 			else if (fastcmp(word, "LEVELFLAGS"))
 				mapheaderinfo[num-1]->levelflags = (UINT8)i;
 			else if (fastcmp(word, "MENUFLAGS"))
@@ -3080,7 +3092,7 @@ static void readmaincfg(MYFILE *f)
 				strncpy(timeattackfolder, gamedatafilename, min(filenamelen, sizeof (timeattackfolder)));
 				timeattackfolder[min(filenamelen, sizeof (timeattackfolder) - 1)] = '\0';
 
-				strncpy(savegamename, timeattackfolder, strlen(timeattackfolder));
+				strcpy(savegamename, timeattackfolder);
 				strlcat(savegamename, "%u.ssg", sizeof(savegamename));
 				// can't use sprintf since there is %u in savegamename
 				strcatbf(savegamename, srb2home, PATHSEP);
@@ -7074,6 +7086,11 @@ struct {
 	{"LF2_NIGHTSATTACK",LF2_NIGHTSATTACK},
 	{"LF2_NOVISITNEEDED",LF2_NOVISITNEEDED},
 
+	// Save override
+	{"SAVE_NEVER",SAVE_NEVER},
+	{"SAVE_DEFAULT",SAVE_DEFAULT},
+	{"SAVE_ALWAYS",SAVE_ALWAYS},
+
 	// NiGHTS grades
 	{"GRADE_F",GRADE_F},
 	{"GRADE_E",GRADE_E},
@@ -8303,6 +8320,7 @@ static inline int lib_getenum(lua_State *L)
 		LUA_PushUserdata(L, &players[serverplayer], META_PLAYER);
 		return 1;
 	} else if (fastcmp(word,"admin")) { // BACKWARDS COMPATIBILITY HACK: This was replaced with IsPlayerAdmin(), but some 2.1 Lua scripts still use the admin variable. It now points to the first admin player in the array.
+		LUA_Deprecated(L, "admin", "IsPlayerAdmin(player)");
 		if (!playeringame[adminplayers[0]] || IsPlayerAdmin(serverplayer))
 			return 0;
 		LUA_PushUserdata(L, &players[adminplayers[0]], META_PLAYER);
diff --git a/src/doomstat.h b/src/doomstat.h
index 7b4aa2644a00ce79b3af2815a9ad00b94ce570eb..d37ae440a417d776e17d34c1906afd474e103023 100644
--- a/src/doomstat.h
+++ b/src/doomstat.h
@@ -234,6 +234,7 @@ typedef struct
 	SINT8 unlockrequired; ///< Is an unlockable required to play this level? -1 if no.
 	UINT8 levelselect;    ///< Is this map available in the level select? If so, which map list is it available in?
 	SINT8 bonustype;      ///< What type of bonus does this level have? (-1 for null.)
+	SINT8 saveoverride;   ///< Set how the game is allowed to save (1 for always, -1 for never, 0 is 2.1 default)
 
 	UINT8 levelflags;     ///< LF_flags:  merged eight booleans into one UINT8 for space, see below
 	UINT8 menuflags;      ///< LF2_flags: options that affect record attack / nights mode menus
@@ -261,6 +262,11 @@ typedef struct
 #define LF2_NIGHTSATTACK   8 ///< Show this map in NiGHTS mode menu
 #define LF2_NOVISITNEEDED 16 ///< Available in time attack/nights mode without visiting the level
 
+// Save override
+#define SAVE_NEVER   -1
+#define SAVE_DEFAULT  0
+#define SAVE_ALWAYS   1
+
 extern mapheader_t* mapheaderinfo[NUMMAPS];
 
 enum TypeOfLevel
diff --git a/src/hardware/hw_bsp.c b/src/hardware/hw_bsp.c
index a180697d53baba6ad75214cfd343dd7e665beb47..53602cc7f10101453713403514809e069906c292 100644
--- a/src/hardware/hw_bsp.c
+++ b/src/hardware/hw_bsp.c
@@ -193,14 +193,14 @@ static polyvertex_t *fracdivline(fdivline_t *bsp, polyvertex_t *v1,
 	v2dy = bsp->dy;
 
 	den = v2dy*v1dx - v2dx*v1dy;
-	if (den == 0)
+	if (fabs(den) < 1.0E-36f) // avoid checking exactly for 0.0
 		return NULL;       // parallel
 
 	// first check the frac along the polygon segment,
 	// (do not accept hit with the extensions)
 	num = (v2x - v1x)*v2dy + (v1y - v2y)*v2dx;
 	frac = num / den;
-	if (frac < 0 || frac > 1)
+	if (frac < 0.0 || frac > 1.0)
 		return NULL;
 
 	// now get the frac along the BSP line
@@ -217,29 +217,6 @@ static polyvertex_t *fracdivline(fdivline_t *bsp, polyvertex_t *v1,
 	return &pt;
 }
 
-#if 0
-//Hurdler: it's not used anymore
-static boolean NearVertice (polyvertex_t *p1, polyvertex_t *p2)
-{
-#if 1
-	float diff;
-	diff = p2->x - p1->x;
-	if (diff < -1.5f || diff > 1.5f)
-		return false;
-	diff = p2->y - p1->y;
-	if (diff < -1.5f || diff > 1.5f)
-		return false;
-#else
-	if (p1->x != p2->x)
-		return false;
-	if (p1->y != p2->y)
-		return false;
-#endif
-	// p1 and p2 are considered the same vertex
-	return true;
-}
-#endif
-
 // if two vertice coords have a x and/or y difference
 // of less or equal than 1 FRACUNIT, they are considered the same
 // point. Note: hardcoded value, 1.0f could be anything else.
@@ -253,11 +230,18 @@ static boolean SameVertice (polyvertex_t *p1, polyvertex_t *p2)
 	diff = p2->y - p1->y;
 	if (diff < -1.5f || diff > 1.5f)
 		return false;
-#else
+#elif 0
 	if (p1->x != p2->x)
 		return false;
 	if (p1->y != p2->y)
 		return false;
+#else
+#define  DIVLINE_VERTEX_DIFF   0.45f
+	float ep = DIVLINE_VERTEX_DIFF;
+	if (fabsf( p2->x - p1->x ) > ep )
+		return false;
+	if (fabsf( p2->y - p1->y ) > ep )
+		return false;
 #endif
 	// p1 and p2 are considered the same vertex
 	return true;
@@ -294,57 +278,57 @@ static void SplitPoly (fdivline_t *bsp,         //splitting parametric line
 		// start & end points
 		pv = fracdivline(bsp, &poly->pts[i], &poly->pts[j]);
 
-		if (pv)
+		if (pv == NULL)
+			continue;
+
+		if (ps < 0)
 		{
-			if (ps < 0)
+			// first point
+			ps = i;
+			vs = *pv;
+			fracs = bspfrac;
+		}
+		else
+		{
+			//the partition line traverse a junction between two segments
+			// or the two points are so close, they can be considered as one
+			// thus, don't accept, since split 2 must be another vertex
+			if (SameVertice(pv, &lastpv))
 			{
-				// first point
-				ps = i;
-				vs = *pv;
-				fracs = bspfrac;
+				if (pe < 0)
+				{
+					ps = i;
+					psonline = 1;
+				}
+				else
+				{
+					pe = i;
+					peonline = 1;
+				}
 			}
 			else
 			{
-				//the partition line traverse a junction between two segments
-				// or the two points are so close, they can be considered as one
-				// thus, don't accept, since split 2 must be another vertex
-				if (SameVertice(pv, &lastpv))
+				if (pe < 0)
 				{
-					if (pe < 0)
-					{
-						ps = i;
-						psonline = 1;
-					}
-					else
-					{
-						pe = i;
-						peonline = 1;
-					}
+					pe = i;
+					ve = *pv;
+					frace = bspfrac;
 				}
 				else
 				{
-					if (pe < 0)
-					{
-						pe = i;
-						ve = *pv;
-						frace = bspfrac;
-					}
-					else
-					{
-					// a frac, not same vertice as last one
-					// we already got pt2 so pt 2 is not on the line,
-					// so we probably got back to the start point
-					// which is on the line
-						if (SameVertice(pv, &vs))
-							psonline = 1;
-						break;
-					}
+				// a frac, not same vertice as last one
+				// we already got pt2 so pt 2 is not on the line,
+				// so we probably got back to the start point
+				// which is on the line
+					if (SameVertice(pv, &vs))
+						psonline = 1;
+					break;
 				}
 			}
-
-			// remember last point intercept to detect identical points
-			lastpv = *pv;
 		}
+
+		// remember last point intercept to detect identical points
+		lastpv = *pv;
 	}
 
 	// no split: the partition line is either parallel and
@@ -368,7 +352,7 @@ static void SplitPoly (fdivline_t *bsp,         //splitting parametric line
 		return;
 	}
 
-	if (ps >= 0 && pe < 0)
+	if (pe < 0)
 	{
 		//I_Error("SplitPoly: only one point for split line (%d %d)", ps, pe);
 		*frontpoly = poly;
@@ -387,7 +371,7 @@ static void SplitPoly (fdivline_t *bsp,         //splitting parametric line
 		*backpoly = HWR_AllocPoly(2 + nptback);
 	else
 		*backpoly = NULL;
-	if (nptfront)
+	if (nptfront > 0)
 		*frontpoly = HWR_AllocPoly(2 + nptfront);
 	else
 		*frontpoly = NULL;
@@ -482,42 +466,42 @@ static poly_t *CutOutSubsecPoly(seg_t *lseg, INT32 count, poly_t *poly)
 
 			pv = fracdivline(&cutseg, &poly->pts[i], &poly->pts[j]);
 
-			if (pv)
+			if (pv == NULL)
+				continue;
+
+			if (ps < 0)
+			{
+				ps = i;
+				vs = *pv;
+				fracs = bspfrac;
+			}
+			else
 			{
-				if (ps < 0)
+				//frac 1 on previous segment,
+				//     0 on the next,
+				//the split line goes through one of the convex poly
+				// vertices, happens quite often since the convex
+				// poly is already adjacent to the subsector segs
+				// on most borders
+				if (SameVertice(pv, &vs))
+					continue;
+
+				if (fracs <= bspfrac)
 				{
+					nump = 2 + poly->numpts - (i-ps);
+					pe = ps;
 					ps = i;
-					vs = *pv;
-					fracs = bspfrac;
+					ve = *pv;
 				}
 				else
 				{
-					//frac 1 on previous segment,
-					//     0 on the next,
-					//the split line goes through one of the convex poly
-					// vertices, happens quite often since the convex
-					// poly is already adjacent to the subsector segs
-					// on most borders
-					if (SameVertice(pv, &vs))
-						continue;
-
-					if (fracs <= bspfrac)
-					{
-						nump = 2 + poly->numpts - (i-ps);
-						pe = ps;
-						ps = i;
-						ve = *pv;
-					}
-					else
-					{
-						nump = 2 + (i-ps);
-						pe = i;
-						ve = vs;
-						vs = *pv;
-					}
-					//found 2nd point
-					break;
+					nump = 2 + (i-ps);
+					pe = i;
+					ve = vs;
+					vs = *pv;
 				}
+				//found 2nd point
+				break;
 			}
 		}
 
@@ -581,18 +565,42 @@ static inline void HWR_SubsecPoly(INT32 num, poly_t *poly)
 // search for the segs source of this divline
 static inline void SearchDivline(node_t *bsp, fdivline_t *divline)
 {
-#if 0 // MAR - If you don't use the same partition line that the BSP uses, the front/back polys won't match the subsectors in the BSP!
-#endif
 	divline->x = FIXED_TO_FLOAT(bsp->x);
 	divline->y = FIXED_TO_FLOAT(bsp->y);
 	divline->dx = FIXED_TO_FLOAT(bsp->dx);
 	divline->dy = FIXED_TO_FLOAT(bsp->dy);
 }
 
+#ifdef HWR_LOADING_SCREEN
 //Hurdler: implement a loading status
 static size_t ls_count = 0;
 static UINT8 ls_percent = 0;
 
+static void loading_status(void)
+{
+	char s[16];
+	int x, y;
+
+	I_OsPolling();
+	CON_Drawer();
+	sprintf(s, "%d%%", (++ls_percent)<<1);
+	x = BASEVIDWIDTH/2;
+	y = BASEVIDHEIGHT/2;
+	V_DrawFill(0, 0, BASEVIDWIDTH, BASEVIDHEIGHT, 31); // Black background to match fade in effect
+	//V_DrawPatchFill(W_CachePatchName("SRB2BACK",PU_CACHE)); // SRB2 background, ehhh too bright.
+	M_DrawTextBox(x-58, y-8, 13, 1);
+	V_DrawString(x-50, y, V_YELLOWMAP, "Loading...");
+	V_DrawRightAlignedString(x+50, y, V_YELLOWMAP, s);
+
+	// Is this really necessary at this point..?
+	V_DrawCenteredString(BASEVIDWIDTH/2, 40, V_YELLOWMAP, "OPENGL MODE IS INCOMPLETE AND MAY");
+	V_DrawCenteredString(BASEVIDWIDTH/2, 50, V_YELLOWMAP, "NOT DISPLAY SOME SURFACES.");
+	V_DrawCenteredString(BASEVIDWIDTH/2, 70, V_YELLOWMAP, "USE AT SONIC'S RISK.");
+
+	I_UpdateNoVsync();
+}
+#endif
+
 // poly : the convex polygon that encloses all child subsectors
 static void WalkBSPNode(INT32 bspnum, poly_t *poly, UINT16 *leafnode, fixed_t *bbox)
 {
@@ -630,38 +638,19 @@ static void WalkBSPNode(INT32 bspnum, poly_t *poly, UINT16 *leafnode, fixed_t *b
 		}
 		else
 		{
-			HWR_SubsecPoly(bspnum&(~NF_SUBSECTOR), poly);
-			//Hurdler: implement a loading status
+			HWR_SubsecPoly(bspnum & ~NF_SUBSECTOR, poly);
 
+			//Hurdler: implement a loading status
 #ifdef HWR_LOADING_SCREEN
 			if (ls_count-- <= 0)
 			{
-				char s[16];
-				int x, y;
-
-				I_OsPolling();
 				ls_count = numsubsectors/50;
-				CON_Drawer();
-				sprintf(s, "%d%%", (++ls_percent)<<1);
-				x = BASEVIDWIDTH/2;
-				y = BASEVIDHEIGHT/2;
-				V_DrawFill(0, 0, BASEVIDWIDTH, BASEVIDHEIGHT, 31); // Black background to match fade in effect
-				//V_DrawPatchFill(W_CachePatchName("SRB2BACK",PU_CACHE)); // SRB2 background, ehhh too bright.
-				M_DrawTextBox(x-58, y-8, 13, 1);
-				V_DrawString(x-50, y, V_YELLOWMAP, "Loading...");
-				V_DrawRightAlignedString(x+50, y, V_YELLOWMAP, s);
-
-				// Is this really necessary at this point..?
-				V_DrawCenteredString(BASEVIDWIDTH/2, 40, V_YELLOWMAP, "OPENGL MODE IS INCOMPLETE AND MAY");
-				V_DrawCenteredString(BASEVIDWIDTH/2, 50, V_YELLOWMAP, "NOT DISPLAY SOME SURFACES.");
-				V_DrawCenteredString(BASEVIDWIDTH/2, 70, V_YELLOWMAP, "USE AT SONIC'S RISK.");
-
-				I_UpdateNoVsync();
+				loading_status();
 			}
 #endif
 		}
 		M_ClearBox(bbox);
-		poly = extrasubsectors[bspnum&~NF_SUBSECTOR].planepoly;
+		poly = extrasubsectors[bspnum & ~NF_SUBSECTOR].planepoly;
 
 		for (i = 0, pt = poly->pts; i < poly->numpts; i++,pt++)
 			M_AddToBox(bbox, FLOAT_TO_FIXED(pt->x), FLOAT_TO_FIXED(pt->y));
@@ -693,14 +682,13 @@ static void WalkBSPNode(INT32 bspnum, poly_t *poly, UINT16 *leafnode, fixed_t *b
 	if (backpoly)
 	{
 		// Correct back bbox to include floor/ceiling convex polygon
-		WalkBSPNode(bsp->children[1], backpoly, &bsp->children[1],
-			bsp->bbox[1]);
+		WalkBSPNode(bsp->children[1], backpoly, &bsp->children[1], bsp->bbox[1]);
 
-		// enlarge bbox with seconde child
+		// enlarge bbox with second child
 		M_AddToBox(bbox, bsp->bbox[1][BOXLEFT  ],
-			bsp->bbox[1][BOXTOP   ]);
+		                 bsp->bbox[1][BOXTOP   ]);
 		M_AddToBox(bbox, bsp->bbox[1][BOXRIGHT ],
-			bsp->bbox[1][BOXBOTTOM]);
+		                 bsp->bbox[1][BOXBOTTOM]);
 	}
 }
 
@@ -780,9 +768,9 @@ static void SearchSegInBSP(INT32 bspnum,polyvertex_t *p,poly_t *poly)
 
 	if (bspnum & NF_SUBSECTOR)
 	{
-		if (bspnum!=-1)
+		if (bspnum != -1)
 		{
-			bspnum&=~NF_SUBSECTOR;
+			bspnum &= ~NF_SUBSECTOR;
 			q = extrasubsectors[bspnum].planepoly;
 			if (poly == q || !q)
 				return;
@@ -968,7 +956,9 @@ void HWR_CreatePlanePolygons(INT32 bspnum)
 	fixed_t rootbbox[4];
 
 	CONS_Debug(DBG_RENDER, "Creating polygons, please wait...\n");
+#ifdef HWR_LOADING_SCREEN
 	ls_count = ls_percent = 0; // reset the loading status
+#endif
 	CON_Drawer(); //let the user know what we are doing
 	I_FinishUpdate(); // page flip or blit buffer
 
diff --git a/src/hardware/hw_draw.c b/src/hardware/hw_draw.c
index 75523f3d2cfd5efceab6e46a85527f4d332b5c55..3963fd931f6449cf64573965a500355e40a085e0 100644
--- a/src/hardware/hw_draw.c
+++ b/src/hardware/hw_draw.c
@@ -770,18 +770,6 @@ void HWR_DrawViewBorder(INT32 clearlines)
 //                                                     AM_MAP.C DRAWING STUFF
 // ==========================================================================
 
-// Clear the automap part of the screen
-void HWR_clearAutomap(void)
-{
-	FRGBAFloat fColor = {0, 0, 0, 1};
-
-	// minx,miny,maxx,maxy
-	HWD.pfnGClipRect(0, 0, vid.width, vid.height, NZCLIP_PLANE);
-	HWD.pfnClearBuffer(true, true, &fColor);
-	HWD.pfnGClipRect(0, 0, vid.width, vid.height, NZCLIP_PLANE);
-}
-
-
 // -----------------+
 // HWR_drawAMline   : draw a line of the automap (the clipping is already done in automap code)
 // Arg              : color is a RGB 888 value
diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c
index fb5e2a71639c8caf154930511b8dcf3e4914a805..db679223d37faee4d1dc889cc6604fd8599c66be 100644
--- a/src/hardware/hw_main.c
+++ b/src/hardware/hw_main.c
@@ -4334,6 +4334,16 @@ static void HWR_SplitSprite(gr_vissprite_t *spr)
 		wallVerts[0].tow = wallVerts[1].tow = gpatch->max_t;
 	}
 
+	// if it has a dispoffset, push it a little towards the camera
+	if (spr->dispoffset) {
+		float co = -gr_viewcos*(0.05f*spr->dispoffset);
+		float si = -gr_viewsin*(0.05f*spr->dispoffset);
+		wallVerts[0].z = wallVerts[3].z = wallVerts[0].z+si;
+		wallVerts[1].z = wallVerts[2].z = wallVerts[1].z+si;
+		wallVerts[0].x = wallVerts[3].x = wallVerts[0].x+co;
+		wallVerts[1].x = wallVerts[2].x = wallVerts[1].x+co;
+	}
+
 	realtop = top = wallVerts[3].y;
 	realbot = bot = wallVerts[0].y;
 	towtop = wallVerts[3].tow;
@@ -4635,6 +4645,16 @@ static void HWR_DrawSprite(gr_vissprite_t *spr)
 		HWR_DrawSpriteShadow(spr, gpatch, this_scale);
 	}
 
+	// if it has a dispoffset, push it a little towards the camera
+	if (spr->dispoffset) {
+		float co = -gr_viewcos*(0.05f*spr->dispoffset);
+		float si = -gr_viewsin*(0.05f*spr->dispoffset);
+		wallVerts[0].z = wallVerts[3].z = wallVerts[0].z+si;
+		wallVerts[1].z = wallVerts[2].z = wallVerts[1].z+si;
+		wallVerts[0].x = wallVerts[3].x = wallVerts[0].x+co;
+		wallVerts[1].x = wallVerts[2].x = wallVerts[1].x+co;
+	}
+
 	// This needs to be AFTER the shadows so that the regular sprites aren't drawn completely black.
 	// sprite lighting by modulating the RGB components
 	/// \todo coloured
diff --git a/src/hardware/hw_main.h b/src/hardware/hw_main.h
index b0a14d3b58640b3d43ec10e91cb5de75b1f70a93..c72843715d3d09769833f9d5d66faf5495eebaa7 100644
--- a/src/hardware/hw_main.h
+++ b/src/hardware/hw_main.h
@@ -31,7 +31,6 @@
 void HWR_Startup(void);
 void HWR_Shutdown(void);
 
-void HWR_clearAutomap(void);
 void HWR_drawAMline(const fline_t *fl, INT32 color);
 void HWR_FadeScreenMenuBack(UINT32 color, INT32 height);
 void HWR_DrawConsoleBack(UINT32 color, INT32 height);
diff --git a/src/lua_baselib.c b/src/lua_baselib.c
index 969987762525f49071e431f72faf14c2731f958e..4666394edb603cc55449c9194513cf372f450726 100644
--- a/src/lua_baselib.c
+++ b/src/lua_baselib.c
@@ -1682,6 +1682,25 @@ static int lib_rSetPlayerSkin(lua_State *L)
 	return 0;
 }
 
+// R_DATA
+////////////
+
+static int lib_rCheckTextureNumForName(lua_State *L)
+{
+	const char *name = luaL_checkstring(L, 1);
+	//HUDSAFE
+	lua_pushinteger(L, R_CheckTextureNumForName(name));
+	return 1;
+}
+
+static int lib_rTextureNumForName(lua_State *L)
+{
+	const char *name = luaL_checkstring(L, 1);
+	//HUDSAFE
+	lua_pushinteger(L, R_TextureNumForName(name));
+	return 1;
+}
+
 // S_SOUND
 ////////////
 
@@ -1897,28 +1916,45 @@ static int lib_gDoReborn(lua_State *L)
 	return 0;
 }
 
-static int lib_gExitLevel(lua_State *L)
+// Another Lua function that doesn't actually exist!
+// Sets nextmapoverride & skipstats without instantly ending the level, for instances where other sources should be exiting the level, like normal signposts.
+static int lib_gSetCustomExitVars(lua_State *L)
 {
 	int n = lua_gettop(L); // Num arguments
 	NOHUD
 
 	// LUA EXTENSION: Custom exit like support
 	// Supported:
-	//	G_ExitLevel();			[no modifications]
-	//	G_ExitLevel(int)		[nextmap override only]
-	//	G_ExitLevel(bool)		[skipstats only]
-	//	G_ExitLevel(int, bool)	[both of the above]
+	//	G_SetCustomExitVars();			[reset to defaults]
+	//	G_SetCustomExitVars(int)		[nextmap override only]
+	//	G_SetCustomExitVars(bool)		[skipstats only]
+	//	G_SetCustomExitVars(int, bool)	[both of the above]
 	if (n >= 1)
 	{
 		if (lua_isnumber(L, 1) || n >= 2)
 		{
 			nextmapoverride = (INT16)luaL_checknumber(L, 1);
-			lua_pop(L, 1); // pop nextmapoverride; skipstats now 1 if available
+			lua_remove(L, 1); // remove nextmapoverride; skipstats now 1 if available
 		}
 		skipstats = lua_optboolean(L, 1);
 	}
+	else
+	{
+		nextmapoverride = 0;
+		skipstats = false;
+	}
 	// ---
 
+	return 0;
+}
+
+static int lib_gExitLevel(lua_State *L)
+{
+	int n = lua_gettop(L); // Num arguments
+	NOHUD
+	// Moved this bit to G_SetCustomExitVars
+	if (n >= 1) // Don't run the reset to defaults option
+		lib_gSetCustomExitVars(L);
 	G_ExitLevel();
 	return 0;
 }
@@ -2165,6 +2201,10 @@ static luaL_Reg lib[] = {
 	{"R_Frame2Char",lib_rFrame2Char},
 	{"R_SetPlayerSkin",lib_rSetPlayerSkin},
 
+	// r_data
+	{"R_CheckTextureNumForName",lib_rCheckTextureNumForName},
+	{"R_TextureNumForName",lib_rTextureNumForName},
+
 	// s_sound
 	{"S_StartSound",lib_sStartSound},
 	{"S_StartSoundAtVolume",lib_sStartSoundAtVolume},
@@ -2179,6 +2219,7 @@ static luaL_Reg lib[] = {
 	// g_game
 	{"G_BuildMapName",lib_gBuildMapName},
 	{"G_DoReborn",lib_gDoReborn},
+	{"G_SetCustomExitVars",lib_gSetCustomExitVars},
 	{"G_ExitLevel",lib_gExitLevel},
 	{"G_IsSpecialStage",lib_gIsSpecialStage},
 	{"G_GametypeUsesLives",lib_gGametypeUsesLives},
diff --git a/src/lua_maplib.c b/src/lua_maplib.c
index efe9e6f4c61650027a0dddb2e07f1ff9f6056052..ce4a1fe97f73d7af551e50ea9b72007595acca5c 100644
--- a/src/lua_maplib.c
+++ b/src/lua_maplib.c
@@ -795,16 +795,16 @@ static int side_set(lua_State *L)
 		side->rowoffset = luaL_checkfixed(L, 3);
 		break;
 	case side_toptexture:
-        side->toptexture = luaL_checkinteger(L, 3);
+		side->toptexture = luaL_checkinteger(L, 3);
 		break;
 	case side_bottomtexture:
-        side->bottomtexture = luaL_checkinteger(L, 3);
+		side->bottomtexture = luaL_checkinteger(L, 3);
 		break;
 	case side_midtexture:
-        side->midtexture = luaL_checkinteger(L, 3);
+		side->midtexture = luaL_checkinteger(L, 3);
 		break;
 	case side_repeatcnt:
-        side->repeatcnt = luaL_checkinteger(L, 3);
+		side->repeatcnt = luaL_checkinteger(L, 3);
 		break;
 	}
 	return 0;
@@ -1504,6 +1504,8 @@ static int mapheaderinfo_get(lua_State *L)
 		lua_pushinteger(L, header->levelselect);
 	else if (fastcmp(field,"bonustype"))
 		lua_pushinteger(L, header->bonustype);
+	else if (fastcmp(field,"saveoverride"))
+		lua_pushinteger(L, header->saveoverride);
 	else if (fastcmp(field,"levelflags"))
 		lua_pushinteger(L, header->levelflags);
 	else if (fastcmp(field,"menuflags"))
diff --git a/src/m_misc.c b/src/m_misc.c
index 1ab5f1fe369258db0aee2ebc642f6c222f9bcf4c..a4f53c7111637e8caf1d006384d87f130dc55c7f 100644
--- a/src/m_misc.c
+++ b/src/m_misc.c
@@ -518,6 +518,7 @@ void M_FirstLoadConfig(void)
 void M_SaveConfig(const char *filename)
 {
 	FILE *f;
+	char *filepath;
 
 	// make sure not to write back the config until it's been correctly loaded
 	if (!gameconfig_loaded)
@@ -532,13 +533,20 @@ void M_SaveConfig(const char *filename)
 			return;
 		}
 
-		f = fopen(filename, "w");
+		// append srb2home to beginning of filename
+		// but check if srb2home isn't already there, first
+		if (!strstr(filename, srb2home))
+			filepath = va(pandf,srb2home, filename);
+		else
+			filepath = Z_StrDup(filename);
+
+		f = fopen(filepath, "w");
 		// change it only if valid
 		if (f)
-			strcpy(configfile, filename);
+			strcpy(configfile, filepath);
 		else
 		{
-			CONS_Alert(CONS_ERROR, M_GetText("Couldn't save game config file %s\n"), filename);
+			CONS_Alert(CONS_ERROR, M_GetText("Couldn't save game config file %s\n"), filepath);
 			return;
 		}
 	}
diff --git a/src/p_local.h b/src/p_local.h
index e09b495174c8a65e51a3bcf8953790f4a52ecc37..9164fa7a0554868ddedb6e6ab9b228c3fe2e5ab4 100644
--- a/src/p_local.h
+++ b/src/p_local.h
@@ -41,9 +41,6 @@
 // Convenience macro to fix issue with collision along bottom/left edges of blockmap -Red
 #define BMBOUNDFIX(xl, xh, yl, yh) {if (xl > xh) xl = 0; if (yl > yh) yl = 0;}
 
-// player radius used only in am_map.c
-#define PLAYERRADIUS (16*FRACUNIT)
-
 // MAXRADIUS is for precalculated sector block boxes
 // the spider demon is larger,
 // but we do not have any moving sectors nearby
diff --git a/src/p_mobj.c b/src/p_mobj.c
index 8811308a7176eb3fe081269c22df673dd0e5ebde..4fea158022f91df67cf8adf515778022897f666b 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -3506,7 +3506,7 @@ boolean P_CameraThinker(player_t *player, camera_t *thiscam, boolean resetcalled
 
 	if (player->pflags & PF_FLIPCAM && !(player->pflags & PF_NIGHTSMODE) && player->mo->eflags & MFE_VERTICALFLIP)
 		postimg = postimg_flip;
-	else if (player->awayviewtics && player->awayviewmobj != NULL)	// Camera must obviously exist
+	else if (player->awayviewtics && player->awayviewmobj && !P_MobjWasRemoved(player->awayviewmobj)) // Camera must obviously exist
 	{
 		camera_t dummycam;
 		dummycam.subsector = player->awayviewmobj->subsector;
diff --git a/src/p_setup.c b/src/p_setup.c
index 8e7b205a85a3cae405b6abf63bcfab6f5a55b621..f018b66351580b81b681fbaf226aa9d20363274b 100644
--- a/src/p_setup.c
+++ b/src/p_setup.c
@@ -219,6 +219,8 @@ static void P_ClearSingleMapHeaderInfo(INT16 i)
 	mapheaderinfo[num]->levelselect = 0;
 	DEH_WriteUndoline("BONUSTYPE", va("%d", mapheaderinfo[num]->bonustype), UNDO_NONE);
 	mapheaderinfo[num]->bonustype = 0;
+	DEH_WriteUndoline("SAVEOVERRIDE", va("%d", mapheaderinfo[num]->saveoverride), UNDO_NONE);
+	mapheaderinfo[num]->saveoverride = SAVE_DEFAULT;
 	DEH_WriteUndoline("LEVELFLAGS", va("%d", mapheaderinfo[num]->levelflags), UNDO_NONE);
 	mapheaderinfo[num]->levelflags = 0;
 	DEH_WriteUndoline("MENUFLAGS", va("%d", mapheaderinfo[num]->menuflags), UNDO_NONE);
@@ -1994,7 +1996,7 @@ static boolean P_LoadRawBlockMap(UINT8 *data, size_t count, const char *lumpname
 	if (!count || count >= 0x20000)
 		return false;
 
-	CONS_Printf("Reading blockmap lump for pk3...\n");
+	//CONS_Printf("Reading blockmap lump for pk3...\n");
 
 	// no need to malloc anything, assume the data is uncompressed for now
 	count /= 2;
@@ -2620,6 +2622,28 @@ static void P_SetupCamera(void)
 	}
 }
 
+static boolean P_CanSave(void)
+{
+	// Saving is completely ignored under these conditions:
+	if ((cursaveslot < 0) // Playing without saving
+		|| (!modifiedgame || savemoddata) // Game is modified 
+		|| (netgame || multiplayer) // Not in single-player
+		|| (demoplayback || demorecording || metalrecording) // Currently in demo
+		|| (players[consoleplayer].lives <= 0) // Completely dead
+		|| (modeattacking || ultimatemode || G_IsSpecialStage(gamemap))) // Specialized instances
+		return false;
+
+	if (mapheaderinfo[gamemap-1]->saveoverride == SAVE_ALWAYS)
+		return true; // Saving should ALWAYS happen!
+	else if (mapheaderinfo[gamemap-1]->saveoverride == SAVE_NEVER)
+		return false; // Saving should NEVER happen!
+	
+	// Default condition: In a non-hidden map, at the beginning of a zone or on a completed save-file, and not on save reload.
+	return (!(mapheaderinfo[gamemap-1]->menuflags & LF2_HIDEINMENU)
+			&& (mapheaderinfo[gamemap-1]->actnum < 2 || gamecomplete)
+			&& (gamemap != lastmapsaved));
+}
+
 /** Loads a level from a lump or external wad.
   *
   * \param skipprecip If true, don't spawn precipitation.
@@ -3097,10 +3121,7 @@ boolean P_SetupLevel(boolean skipprecip)
 
 	P_RunCachedActions();
 
-	if (!(netgame || multiplayer || demoplayback || demorecording || metalrecording || modeattacking || players[consoleplayer].lives <= 0)
-		&& (!modifiedgame || savemoddata) && cursaveslot >= 0 && !ultimatemode
-		&& !(mapheaderinfo[gamemap-1]->menuflags & LF2_HIDEINMENU)
-		&& (!G_IsSpecialStage(gamemap)) && gamemap != lastmapsaved && (mapheaderinfo[gamemap-1]->actnum < 2 || gamecomplete))
+	if (P_CanSave())
 		G_SaveGame((UINT32)cursaveslot);
 
 	if (savedata.lives > 0)
diff --git a/src/p_user.c b/src/p_user.c
index cf12966944584ad4042bd5ff981982187e65669c..155618c59a286de95e591385f3c38cea078e49c9 100644
--- a/src/p_user.c
+++ b/src/p_user.c
@@ -8372,7 +8372,7 @@ boolean P_MoveChaseCamera(player_t *player, camera_t *thiscam, boolean resetcall
 	if (!(multiplayer || netgame) && !splitscreen)
 	{
 		fixed_t vx = thiscam->x, vy = thiscam->y;
-		if (player->awayviewtics && player->awayviewmobj != NULL)		// Camera must obviously exist
+		if (player->awayviewtics && player->awayviewmobj != NULL && !P_MobjWasRemoved(player->awayviewmobj))		// Camera must obviously exist
 		{
 			vx = player->awayviewmobj->x;
 			vy = player->awayviewmobj->y;
@@ -8534,7 +8534,7 @@ static void P_CalcPostImg(player_t *player)
 	else
 		pviewheight = player->mo->z + player->viewheight;
 
-	if (player->awayviewtics)
+	if (player->awayviewtics && player->awayviewmobj && !P_MobjWasRemoved(player->awayviewmobj))
 	{
 		sector = player->awayviewmobj->subsector->sector;
 		pviewheight = player->awayviewmobj->z + 20*FRACUNIT;
@@ -8701,6 +8701,13 @@ void P_PlayerThink(player_t *player)
 		}
 	}
 #endif
+
+	if (player->awayviewmobj && P_MobjWasRemoved(player->awayviewmobj))
+	{
+		P_SetTarget(&player->awayviewmobj, NULL); // remove awayviewmobj asap if invalid
+		player->awayviewtics = 0; // reset to zero
+	}
+
 	if (player->pflags & PF_GLIDING)
 	{
 		if (player->panim != PA_ABILITY)
@@ -8712,9 +8719,14 @@ void P_PlayerThink(player_t *player)
 	if (player->flashcount)
 		player->flashcount--;
 
-	// By the time P_MoveChaseCamera is called, this might be zero. Do not do it here.
-	//if (player->awayviewtics)
-	//	player->awayviewtics--;
+	// Re-fixed by Jimita (11-12-2018)
+	if (player->awayviewtics)
+	{
+		player->awayviewtics--;
+		if (!player->awayviewtics)
+			player->awayviewtics = -1;
+		// The timer might've reached zero, but we'll run the remote view camera anyway by setting it to -1.
+	}
 
 	/// \note do this in the cheat code
 	if (player->pflags & PF_NOCLIP)
@@ -9492,8 +9504,8 @@ void P_PlayerAfterThink(player_t *player)
 		}
 	}
 
-	if (player->awayviewtics)
-		player->awayviewtics--;
+	if (player->awayviewtics < 0)
+		player->awayviewtics = 0;
 
 	// spectator invisibility and nogravity.
 	if ((netgame || multiplayer) && player->spectator)
diff --git a/src/r_bsp.c b/src/r_bsp.c
index 23a65520a445fa4f95e61977ab017535a9e57057..cae66844c97b8cee86c8cb4f77da8d4712f9c10c 100644
--- a/src/r_bsp.c
+++ b/src/r_bsp.c
@@ -1083,7 +1083,6 @@ static void R_Subsector(size_t num)
 				}
 
 				light = R_GetPlaneLight(frontsector, polysec->floorheight, viewz < polysec->floorheight);
-				light = 0;
 				ffloor[numffloors].plane = R_FindPlane(polysec->floorheight, polysec->floorpic,
 						polysec->lightlevel, xoff, yoff,
 						polysec->floorpic_angle-po->angle,
@@ -1131,7 +1130,6 @@ static void R_Subsector(size_t num)
 				}
 
 				light = R_GetPlaneLight(frontsector, polysec->ceilingheight, viewz < polysec->ceilingheight);
-				light = 0;
 				ffloor[numffloors].plane = R_FindPlane(polysec->ceilingheight, polysec->ceilingpic,
 					polysec->lightlevel, xoff, yoff, polysec->ceilingpic_angle-po->angle,
 					NULL, NULL
diff --git a/src/r_main.c b/src/r_main.c
index cd17f642b3a6b0e352c061a08121408dc974085b..94945af5b58e56b791d37f5b16089cd0e8a34d24 100644
--- a/src/r_main.c
+++ b/src/r_main.c
@@ -574,13 +574,11 @@ void R_SetViewSize(void)
 //
 void R_ExecuteSetViewSize(void)
 {
-	fixed_t cosadj;
 	fixed_t dy;
 	INT32 i;
 	INT32 j;
 	INT32 level;
 	INT32 startmapl;
-	INT32 aspectx;  //added : 02-02-98 : for aspect ratio calc. below...
 
 	setsizeneeded = false;
 
@@ -620,31 +618,22 @@ void R_ExecuteSetViewSize(void)
 	for (i = 0; i < viewwidth; i++)
 		screenheightarray[i] = (INT16)viewheight;
 
-	// setup sky scaling (uses pspriteyscale)
+	// setup sky scaling
 	R_SetSkyScale();
 
 	// planes
-	//aspectx = (((vid.height*centerx*BASEVIDWIDTH)/BASEVIDHEIGHT)/vid.width);
-	aspectx = centerx;
-
 	if (rendermode == render_soft)
 	{
 		// this is only used for planes rendering in software mode
-		j = viewheight*8;
+		j = viewheight*16;
 		for (i = 0; i < j; i++)
 		{
-			dy = ((i - viewheight*2)<<FRACBITS) + FRACUNIT/2;
+			dy = ((i - viewheight*8)<<FRACBITS) + FRACUNIT/2;
 			dy = abs(dy);
-			yslopetab[i] = FixedDiv(aspectx*FRACUNIT, dy);
+			yslopetab[i] = FixedDiv(centerx*FRACUNIT, dy);
 		}
 	}
 
-	for (i = 0; i < viewwidth; i++)
-	{
-		cosadj = abs(FINECOSINE(xtoviewangle[i]>>ANGLETOFINESHIFT));
-		distscale[i] = FixedDiv(FRACUNIT, cosadj);
-	}
-
 	memset(scalelight, 0xFF, sizeof(scalelight));
 
 	// Calculate the light levels to use for each level/scale combination.
@@ -757,9 +746,136 @@ static mobj_t *viewmobj;
 // WARNING: a should be unsigned but to add with 2048, it isn't!
 #define AIMINGTODY(a) ((FINETANGENT((2048+(((INT32)a)>>ANGLETOFINESHIFT)) & FINEMASK)*160)>>FRACBITS)
 
-void R_SkyboxFrame(player_t *player)
+// recalc necessary stuff for mouseaiming
+// slopes are already calculated for the full possible view (which is 4*viewheight).
+// 18/08/18: (No it's actually 16*viewheight, thanks Jimita for finding this out)
+static void R_SetupFreelook(void)
 {
 	INT32 dy = 0;
+	if (rendermode == render_soft)
+	{
+		// clip it in the case we are looking a hardware 90 degrees full aiming
+		// (lmps, network and use F12...)
+		G_SoftwareClipAimingPitch((INT32 *)&aimingangle);
+		dy = AIMINGTODY(aimingangle) * viewwidth/BASEVIDWIDTH;
+		yslope = &yslopetab[viewheight*8 - (viewheight/2 + dy)];
+	}
+	centery = (viewheight/2) + dy;
+	centeryfrac = centery<<FRACBITS;
+}
+
+#undef AIMINGTODY
+
+void R_SetupFrame(player_t *player, boolean skybox)
+{
+	camera_t *thiscam;
+	boolean chasecam = false;
+
+	if (splitscreen && player == &players[secondarydisplayplayer]
+		&& player != &players[consoleplayer])
+	{
+		thiscam = &camera2;
+		chasecam = (cv_chasecam2.value != 0);
+	}
+	else
+	{
+		thiscam = &camera;
+		chasecam = (cv_chasecam.value != 0);
+	}
+
+	if (player->climbing || (player->pflags & PF_NIGHTSMODE) || player->playerstate == PST_DEAD)
+		chasecam = true; // force chasecam on
+	else if (player->spectator) // no spectator chasecam
+		chasecam = false; // force chasecam off
+
+	if (chasecam && !thiscam->chase)
+	{
+		P_ResetCamera(player, thiscam);
+		thiscam->chase = true;
+	}
+	else if (!chasecam)
+		thiscam->chase = false;
+
+	viewsky = !skybox;
+	if (player->awayviewtics)
+	{
+		// cut-away view stuff
+		viewmobj = player->awayviewmobj; // should be a MT_ALTVIEWMAN
+		I_Assert(viewmobj != NULL);
+		viewz = viewmobj->z + 20*FRACUNIT;
+		aimingangle = player->awayviewaiming;
+		viewangle = viewmobj->angle;
+	}
+	else if (!player->spectator && chasecam)
+	// use outside cam view
+	{
+		viewmobj = NULL;
+		viewz = thiscam->z + (thiscam->height>>1);
+		aimingangle = thiscam->aiming;
+		viewangle = thiscam->angle;
+	}
+	else
+	// use the player's eyes view
+	{
+		viewz = player->viewz;
+
+		viewmobj = player->mo;
+		I_Assert(viewmobj != NULL);
+
+		aimingangle = player->aiming;
+		viewangle = viewmobj->angle;
+
+		if (!demoplayback && player->playerstate != PST_DEAD)
+		{
+			if (player == &players[consoleplayer])
+			{
+				viewangle = localangle; // WARNING: camera uses this
+				aimingangle = localaiming;
+			}
+			else if (player == &players[secondarydisplayplayer])
+			{
+				viewangle = localangle2;
+				aimingangle = localaiming2;
+			}
+		}
+	}
+	viewz += quake.z;
+
+	viewplayer = player;
+
+	if (chasecam && !player->awayviewtics && !player->spectator)
+	{
+		viewx = thiscam->x;
+		viewy = thiscam->y;
+		viewx += quake.x;
+		viewy += quake.y;
+
+		if (thiscam->subsector)
+			viewsector = thiscam->subsector->sector;
+		else
+			viewsector = R_PointInSubsector(viewx, viewy)->sector;
+	}
+	else
+	{
+		viewx = viewmobj->x;
+		viewy = viewmobj->y;
+		viewx += quake.x;
+		viewy += quake.y;
+
+		if (viewmobj->subsector)
+			viewsector = viewmobj->subsector->sector;
+		else
+			viewsector = R_PointInSubsector(viewx, viewy)->sector;
+	}
+
+	viewsin = FINESINE(viewangle>>ANGLETOFINESHIFT);
+	viewcos = FINECOSINE(viewangle>>ANGLETOFINESHIFT);
+
+	R_SetupFreelook();
+}
+
+void R_SkyboxFrame(player_t *player)
+{
 	camera_t *thiscam;
 
 	if (splitscreen && player == &players[secondarydisplayplayer]
@@ -973,146 +1089,7 @@ void R_SkyboxFrame(player_t *player)
 	viewsin = FINESINE(viewangle>>ANGLETOFINESHIFT);
 	viewcos = FINECOSINE(viewangle>>ANGLETOFINESHIFT);
 
-	// recalc necessary stuff for mouseaiming
-	// slopes are already calculated for the full possible view (which is 4*viewheight).
-	// 18/08/18: (No it's actually 8*viewheight, thanks MPC aka Jimita for finding this out)
-
-	if (rendermode == render_soft)
-	{
-		// clip it in the case we are looking a hardware 90 degrees full aiming
-		// (lmps, network and use F12...)
-		G_SoftwareClipAimingPitch((INT32 *)&aimingangle);
-
-		dy = AIMINGTODY(aimingangle) * viewwidth/BASEVIDWIDTH;
-
-		yslope = &yslopetab[(3*viewheight/2) - dy];
-	}
-	centery = (viewheight/2) + dy;
-	centeryfrac = centery<<FRACBITS;
-}
-
-void R_SetupFrame(player_t *player, boolean skybox)
-{
-	INT32 dy = 0;
-	camera_t *thiscam;
-	boolean chasecam = false;
-
-	if (splitscreen && player == &players[secondarydisplayplayer]
-		&& player != &players[consoleplayer])
-	{
-		thiscam = &camera2;
-		chasecam = (cv_chasecam2.value != 0);
-	}
-	else
-	{
-		thiscam = &camera;
-		chasecam = (cv_chasecam.value != 0);
-	}
-
-	if (player->climbing || (player->pflags & PF_NIGHTSMODE) || player->playerstate == PST_DEAD)
-		chasecam = true; // force chasecam on
-	else if (player->spectator) // no spectator chasecam
-		chasecam = false; // force chasecam off
-
-	if (chasecam && !thiscam->chase)
-	{
-		P_ResetCamera(player, thiscam);
-		thiscam->chase = true;
-	}
-	else if (!chasecam)
-		thiscam->chase = false;
-
-	viewsky = !skybox;
-	if (player->awayviewtics)
-	{
-		// cut-away view stuff
-		viewmobj = player->awayviewmobj; // should be a MT_ALTVIEWMAN
-		I_Assert(viewmobj != NULL);
-		viewz = viewmobj->z + 20*FRACUNIT;
-		aimingangle = player->awayviewaiming;
-		viewangle = viewmobj->angle;
-	}
-	else if (!player->spectator && chasecam)
-	// use outside cam view
-	{
-		viewmobj = NULL;
-		viewz = thiscam->z + (thiscam->height>>1);
-		aimingangle = thiscam->aiming;
-		viewangle = thiscam->angle;
-	}
-	else
-	// use the player's eyes view
-	{
-		viewz = player->viewz;
-
-		viewmobj = player->mo;
-		I_Assert(viewmobj != NULL);
-
-		aimingangle = player->aiming;
-		viewangle = viewmobj->angle;
-
-		if (!demoplayback && player->playerstate != PST_DEAD)
-		{
-			if (player == &players[consoleplayer])
-			{
-				viewangle = localangle; // WARNING: camera uses this
-				aimingangle = localaiming;
-			}
-			else if (player == &players[secondarydisplayplayer])
-			{
-				viewangle = localangle2;
-				aimingangle = localaiming2;
-			}
-		}
-	}
-	viewz += quake.z;
-
-	viewplayer = player;
-
-	if (chasecam && !player->awayviewtics && !player->spectator)
-	{
-		viewx = thiscam->x;
-		viewy = thiscam->y;
-		viewx += quake.x;
-		viewy += quake.y;
-
-		if (thiscam->subsector)
-			viewsector = thiscam->subsector->sector;
-		else
-			viewsector = R_PointInSubsector(viewx, viewy)->sector;
-	}
-	else
-	{
-		viewx = viewmobj->x;
-		viewy = viewmobj->y;
-		viewx += quake.x;
-		viewy += quake.y;
-
-		if (viewmobj->subsector)
-			viewsector = viewmobj->subsector->sector;
-		else
-			viewsector = R_PointInSubsector(viewx, viewy)->sector;
-	}
-
-	viewsin = FINESINE(viewangle>>ANGLETOFINESHIFT);
-	viewcos = FINECOSINE(viewangle>>ANGLETOFINESHIFT);
-
-	// recalc necessary stuff for mouseaiming
-	// slopes are already calculated for the full possible view (which is 4*viewheight).
-	// 18/08/18: (No it's actually 8*viewheight, thanks MPC aka Jimita for finding this out)
-
-	if (rendermode == render_soft)
-	{
-		// clip it in the case we are looking a hardware 90 degrees full aiming
-		// (lmps, network and use F12...)
-		G_SoftwareClipAimingPitch((INT32 *)&aimingangle);
-
-		dy = AIMINGTODY(aimingangle) * viewwidth/BASEVIDWIDTH;
-
-		yslope = &yslopetab[(3*viewheight/2) - dy];
-	}
-	centery = (viewheight/2) + dy;
-	centeryfrac = centery<<FRACBITS;
+	R_SetupFreelook();
 }
 
 #define ANGLED_PORTALS
diff --git a/src/r_plane.c b/src/r_plane.c
index b09ac4843b6d63d5e7d574a5dbecf080fd7f06b5..5cb53a5306b88d12db093a19d222689bd0bf56f1 100644
--- a/src/r_plane.c
+++ b/src/r_plane.c
@@ -16,6 +16,8 @@
 #include "doomdef.h"
 #include "console.h"
 #include "g_game.h"
+#include "p_setup.h" // levelflats
+#include "p_slopes.h"
 #include "r_data.h"
 #include "r_local.h"
 #include "r_state.h"
@@ -26,9 +28,12 @@
 #include "z_zone.h"
 #include "p_tick.h"
 
-#include "p_setup.h" // levelflats
-
-#include "p_slopes.h"
+#ifdef TIMING
+#include "p5prof.h"
+	INT64 mycount;
+	INT64 mytotal = 0;
+	UINT32 nombre = 100000;
+#endif
 
 //
 // opening
@@ -51,7 +56,7 @@ visplane_t *floorplane;
 visplane_t *ceilingplane;
 static visplane_t *currentplane;
 
-planemgr_t ffloor[MAXFFLOORS];
+visffloor_t ffloor[MAXFFLOORS];
 INT32 numffloors;
 
 //SoM: 3/23/2000: Boom visplane hashing routine.
@@ -89,10 +94,9 @@ static fixed_t planeheight;
 //                (this is to calculate yslopes only when really needed)
 //                (when mouselookin', yslope is moving into yslopetab)
 //                Check R_SetupFrame, R_SetViewSize for more...
-fixed_t yslopetab[MAXVIDHEIGHT*8];
+fixed_t yslopetab[MAXVIDHEIGHT*16];
 fixed_t *yslope;
 
-fixed_t distscale[MAXVIDWIDTH];
 fixed_t basexscale, baseyscale;
 
 fixed_t cachedheight[MAXVIDHEIGHT];
@@ -155,34 +159,19 @@ void R_PortalRestoreClipValues(INT32 start, INT32 end, INT16 *ceil, INT16 *floor
 	}
 }
 
-
-//profile stuff ---------------------------------------------------------
-//#define TIMING
-#ifdef TIMING
-#include "p5prof.h"
-         INT64 mycount;
-         INT64 mytotal = 0;
-         UINT32 nombre = 100000;
-#endif
-//profile stuff ---------------------------------------------------------
-
-
 //
 // R_MapPlane
 //
 // Uses global vars:
-//  planeheight
-//  ds_source
 //  basexscale
 //  baseyscale
+//  centerx
 //  viewx
 //  viewy
-//  xoffs
-//  yoffs
-//  planeangle
-//
-// BASIC PRIMITIVE
-//
+//  viewsin
+//  viewcos
+//  viewheight
+
 #ifndef NOWATER
 static INT32 bgofs;
 static INT32 wtofs=0;
@@ -190,10 +179,6 @@ static INT32 waterofs;
 static boolean itswater;
 #endif
 
-#ifdef __mips__
-//#define NOWATER
-#endif
-
 #ifndef NOWATER
 static void R_DrawTranslucentWaterSpan_8(void)
 {
@@ -275,8 +260,8 @@ static void R_DrawTranslucentWaterSpan_8(void)
 
 void R_MapPlane(INT32 y, INT32 x1, INT32 x2)
 {
-	angle_t angle;
-	fixed_t distance, length;
+	angle_t angle, planecos, planesin;
+	fixed_t distance, span;
 	size_t pindex;
 
 #ifdef RANGECHECK
@@ -287,12 +272,22 @@ void R_MapPlane(INT32 y, INT32 x1, INT32 x2)
 	// from r_splats's R_RenderFloorSplat
 	if (x1 >= vid.width) x1 = vid.width - 1;
 
+	angle = (currentplane->viewangle + currentplane->plangle)>>ANGLETOFINESHIFT;
+	planecos = FINECOSINE(angle);
+	planesin = FINESINE(angle);
+
 	if (planeheight != cachedheight[y])
 	{
 		cachedheight[y] = planeheight;
 		distance = cacheddistance[y] = FixedMul(planeheight, yslope[y]);
 		ds_xstep = cachedxstep[y] = FixedMul(distance, basexscale);
 		ds_ystep = cachedystep[y] = FixedMul(distance, baseyscale);
+
+		if ((span = abs(centery-y)))
+		{
+			ds_xstep = cachedxstep[y] = FixedMul(planesin, planeheight) / span;
+			ds_ystep = cachedystep[y] = FixedMul(planecos, planeheight) / span;
+		}
 	}
 	else
 	{
@@ -301,13 +296,8 @@ void R_MapPlane(INT32 y, INT32 x1, INT32 x2)
 		ds_ystep = cachedystep[y];
 	}
 
-	length = FixedMul (distance,distscale[x1]);
-	angle = (currentplane->viewangle + currentplane->plangle + xtoviewangle[x1])>>ANGLETOFINESHIFT;
-	/// \note Wouldn't it be faster just to add viewx and viewy
-	// to the plane's x/yoffs anyway??
-
-	ds_xfrac = FixedMul(FINECOSINE(angle), length) + xoffs;
-	ds_yfrac = yoffs - FixedMul(FINESINE(angle), length);
+	ds_xfrac = xoffs + FixedMul(planecos, distance) + (x1 - centerx) * ds_xstep;
+	ds_yfrac = yoffs - FixedMul(planesin, distance) + (x1 - centerx) * ds_ystep;
 
 #ifndef NOWATER
 	if (itswater)
@@ -315,8 +305,9 @@ void R_MapPlane(INT32 y, INT32 x1, INT32 x2)
 		const INT32 yay = (wtofs + (distance>>9) ) & 8191;
 		// ripples da water texture
 		bgofs = FixedDiv(FINESINE(yay), (1<<12) + (distance>>11))>>FRACBITS;
+		angle = (currentplane->viewangle + currentplane->plangle + xtoviewangle[x1])>>ANGLETOFINESHIFT;
 
-		angle = (angle + 2048) & 8191;  //90�
+		angle = (angle + 2048) & 8191;  // 90 degrees
 		ds_xfrac += FixedMul(FINECOSINE(angle), (bgofs<<FRACBITS));
 		ds_yfrac += FixedMul(FINESINE(angle), (bgofs<<FRACBITS));
 
@@ -328,7 +319,6 @@ void R_MapPlane(INT32 y, INT32 x1, INT32 x2)
 #endif
 
 	pindex = distance >> LIGHTZSHIFT;
-
 	if (pindex >= MAXLIGHTZ)
 		pindex = MAXLIGHTZ - 1;
 
@@ -365,8 +355,6 @@ void R_MapPlane(INT32 y, INT32 x1, INT32 x2)
 // R_ClearPlanes
 // At begining of frame.
 //
-// NOTE: Uses con_clipviewtop, so that when console is on,
-//       we don't draw the part of the view hidden under the console.
 void R_ClearPlanes(void)
 {
 	INT32 i, p;
@@ -376,12 +364,12 @@ void R_ClearPlanes(void)
 	for (i = 0; i < viewwidth; i++)
 	{
 		floorclip[i] = (INT16)viewheight;
-		ceilingclip[i] = (INT16)con_clipviewtop;
+		ceilingclip[i] = -1;
 		frontscale[i] = INT32_MAX;
 		for (p = 0; p < MAXFFLOORS; p++)
 		{
 			ffloor[p].f_clip[i] = (INT16)viewheight;
-			ffloor[p].c_clip[i] = (INT16)con_clipviewtop;
+			ffloor[p].c_clip[i] = -1;
 		}
 	}
 
diff --git a/src/r_plane.h b/src/r_plane.h
index 2ab1e83f5a386d612cd62c1f5b0148195803d6c4..6e6a6d49d0522a6aa6b0d9facd35754f5744af14 100644
--- a/src/r_plane.h
+++ b/src/r_plane.h
@@ -21,7 +21,6 @@
 //
 // Now what is a visplane, anyway?
 // Simple: kinda floor/ceiling polygon optimised for SRB2 rendering.
-// 7764 bytes! (for win32, anyway)
 //
 typedef struct visplane_s
 {
@@ -39,25 +38,12 @@ typedef struct visplane_s
 	extracolormap_t *extra_colormap;
 
 	// leave pads for [minx-1]/[maxx+1]
-
-	// words sucks .. should get rid of that.. but eats memory
-	// THIS IS UNSIGNED! VERY IMPORTANT!!
-	UINT16 pad1;
-	UINT16 top[MAXVIDWIDTH];
-	UINT16 pad2;
-	UINT16 pad3;
-	UINT16 bottom[MAXVIDWIDTH];
-	UINT16 pad4;
-
+	UINT16 padtopstart, top[MAXVIDWIDTH], padtopend;
+	UINT16 padbottomstart, bottom[MAXVIDWIDTH], padbottomend;
 	INT32 high, low; // R_PlaneBounds should set these.
 
 	fixed_t xoffs, yoffs; // Scrolling flats.
 
-	// SoM: frontscale should be stored in the first seg of the subsector
-	// where the planes themselves are stored. I'm doing this now because
-	// the old way caused trouble with the drawseg array was re-sized.
-	INT32 scaleseg;
-
 	struct ffloor_s *ffloor;
 #ifdef POLYOBJECTS_PLANES
 	polyobj_t *polyobj;
@@ -75,17 +61,15 @@ extern INT16 *lastopening, *openings;
 extern size_t maxopenings;
 
 extern INT16 floorclip[MAXVIDWIDTH], ceilingclip[MAXVIDWIDTH];
-extern fixed_t frontscale[MAXVIDWIDTH], yslopetab[MAXVIDHEIGHT*8];
+extern fixed_t frontscale[MAXVIDWIDTH], yslopetab[MAXVIDHEIGHT*16];
 extern fixed_t cachedheight[MAXVIDHEIGHT];
 extern fixed_t cacheddistance[MAXVIDHEIGHT];
 extern fixed_t cachedxstep[MAXVIDHEIGHT];
 extern fixed_t cachedystep[MAXVIDHEIGHT];
 extern fixed_t basexscale, baseyscale;
 
-extern lighttable_t **planezlight;
-
 extern fixed_t *yslope;
-extern fixed_t distscale[MAXVIDWIDTH];
+extern lighttable_t **planezlight;
 
 void R_InitPlanes(void);
 void R_PortalStoreClipValues(INT32 start, INT32 end, INT16 *ceil, INT16 *floor, fixed_t *scale);
@@ -134,8 +118,8 @@ typedef struct planemgr_s
 #ifdef POLYOBJECTS_PLANES
 	polyobj_t *polyobj;
 #endif
-} planemgr_t;
+} visffloor_t;
 
-extern planemgr_t ffloor[MAXFFLOORS];
+extern visffloor_t ffloor[MAXFFLOORS];
 extern INT32 numffloors;
 #endif
diff --git a/src/r_segs.c b/src/r_segs.c
index 66ec71db8e88d88fe5035f43dc93476534905040..bdc463dafb3086b465f38a8917c066659c83c00d 100644
--- a/src/r_segs.c
+++ b/src/r_segs.c
@@ -1344,24 +1344,12 @@ static void R_RenderSegLoop (void)
 
 		if (markfloor)
 		{
-#if 0 // Old Doom Legacy code
-			bottom = floorclip[rw_x]-1;
-			if (top <= ceilingclip[rw_x])
-				top = ceilingclip[rw_x]+1;
-			if (top <= bottom && floorplane)
-			{
-				floorplane->top[rw_x] = (INT16)top;
-				floorplane->bottom[rw_x] = (INT16)bottom;
-			}
-#else // Spiffy new PRBoom code
-			top  = yh < ceilingclip[rw_x] ? ceilingclip[rw_x] : yh;
-
+			top = yh < ceilingclip[rw_x] ? ceilingclip[rw_x] : yh;
 			if (++top <= bottom && floorplane)
 			{
 				floorplane->top[rw_x] = (INT16)top;
 				floorplane->bottom[rw_x] = (INT16)bottom;
 			}
-#endif
 		}
 
 		if (numffloors)
@@ -1645,26 +1633,11 @@ static void R_RenderSegLoop (void)
 		}
 
 		for (i = 0; i < numffloors; i++)
-		{
-#ifdef POLYOBJECTS_PLANES
-			if (ffloor[i].polyobj && (!curline->polyseg || ffloor[i].polyobj != curline->polyseg))
-				continue;
-#endif
-
 			ffloor[i].f_frac += ffloor[i].f_step;
-		}
 
 		for (i = 0; i < numbackffloors; i++)
 		{
-			INT32 y_w;
-
-#ifdef POLYOBJECTS_PLANES
-			if (ffloor[i].polyobj && (!curline->polyseg || ffloor[i].polyobj != curline->polyseg))
-				continue;
-#endif
-			y_w = ffloor[i].b_frac >> HEIGHTBITS;
-
-			ffloor[i].f_clip[rw_x] = ffloor[i].c_clip[rw_x] = (INT16)(y_w & 0xFFFF);
+			ffloor[i].f_clip[rw_x] = ffloor[i].c_clip[rw_x] = (INT16)((ffloor[i].b_frac >> HEIGHTBITS) & 0xFFFF);
 			ffloor[i].b_frac += ffloor[i].b_step;
 		}
 
@@ -2808,11 +2781,6 @@ void R_StoreWallRange(INT32 start, INT32 stop)
 	{
 		for (i = 0; i < numffloors; i++)
 		{
-#ifdef POLYOBJECTS_PLANES
-			if (ffloor[i].polyobj && (!curline->polyseg || ffloor[i].polyobj != curline->polyseg))
-				continue;
-#endif
-
 			ffloor[i].f_pos >>= 4;
 #ifdef ESLOPE
 			ffloor[i].f_pos_slope >>= 4;
@@ -3093,7 +3061,11 @@ void R_StoreWallRange(INT32 start, INT32 stop)
 		if (ceilingplane) //SoM: 3/29/2000: Check for null ceiling planes
 			ceilingplane = R_CheckPlane (ceilingplane, rw_x, rw_stopx-1);
 		else
-			markceiling = 0;
+			markceiling = false;
+
+		// Don't render the ceiling again when rendering polyobjects
+		if (curline->polyseg)
+			markceiling = false;
 	}
 
 	// get a new or use the same visplane
@@ -3102,7 +3074,11 @@ void R_StoreWallRange(INT32 start, INT32 stop)
 		if (floorplane) //SoM: 3/29/2000: Check for null planes
 			floorplane = R_CheckPlane (floorplane, rw_x, rw_stopx-1);
 		else
-			markfloor = 0;
+			markfloor = false;
+
+		// Don't render the floor again when rendering polyobjects
+		if (curline->polyseg)
+			markfloor = false;
 	}
 
 	ds_p->numffloorplanes = 0;
diff --git a/src/r_splats.c b/src/r_splats.c
index 8d0a84fa4033c3887c6b88e9a9973b6d52082db4..9ab671274403f1f7dfea967271f286d8aafef1cd 100644
--- a/src/r_splats.c
+++ b/src/r_splats.c
@@ -365,9 +365,8 @@ static void R_RenderFloorSplat(floorsplat_t *pSplat, vertex_t *verts, UINT8 *pTe
 #else
 	lighttable_t **planezlight;
 	fixed_t planeheight;
-	angle_t angle;
-	fixed_t distance;
-	fixed_t length;
+	angle_t angle, planecos, planesin;
+	fixed_t distance, span;
 	size_t indexr;
 	INT32 light;
 #endif
@@ -473,12 +472,22 @@ static void R_RenderFloorSplat(floorsplat_t *pSplat, vertex_t *verts, UINT8 *pTe
 		if (x2 >= vid.width)
 			x2 = vid.width - 1;
 
+		angle = (currentplane->viewangle + currentplane->plangle)>>ANGLETOFINESHIFT;
+		planecos = FINECOSINE(angle);
+		planesin = FINESINE(angle);
+
 		if (planeheight != cachedheight[y])
 		{
 			cachedheight[y] = planeheight;
 			distance = cacheddistance[y] = FixedMul(planeheight, yslope[y]);
 			ds_xstep = cachedxstep[y] = FixedMul(distance,basexscale);
 			ds_ystep = cachedystep[y] = FixedMul(distance,baseyscale);
+
+			if ((span = abs(centery-y)))
+			{
+				ds_xstep = cachedxstep[y] = FixedMul(planesin, planeheight) / span;
+				ds_ystep = cachedystep[y] = FixedMul(planecos, planeheight) / span;
+			}
 		}
 		else
 		{
@@ -486,10 +495,9 @@ static void R_RenderFloorSplat(floorsplat_t *pSplat, vertex_t *verts, UINT8 *pTe
 			ds_xstep = cachedxstep[y];
 			ds_ystep = cachedystep[y];
 		}
-		length = FixedMul(distance, distscale[x1]);
-		angle = (viewangle + xtoviewangle[x1])>>ANGLETOFINESHIFT;
-		ds_xfrac = viewx + FixedMul(FINECOSINE(angle), length);
-		ds_yfrac = -viewy - FixedMul(FINESINE(angle), length);
+
+		ds_xfrac = xoffs + FixedMul(planecos, distance) + (x1 - centerx) * ds_xstep;
+		ds_yfrac = yoffs - FixedMul(planesin, distance) + (x1 - centerx) * ds_ystep;
 		ds_xfrac -= offsetx;
 		ds_yfrac += offsety;
 
diff --git a/src/r_things.c b/src/r_things.c
index b7c925e39676536945ebca6b5963f23ba0c4ffc6..67a45a76e4681be7d94e04e63737ae3d1e97b51a 100644
--- a/src/r_things.c
+++ b/src/r_things.c
@@ -1733,7 +1733,7 @@ static void R_CreateDrawNodes(void)
 			plane = ds->curline->polyseg->visplane;
 			R_PlaneBounds(plane);
 
-			if (plane->low < con_clipviewtop || plane->high > vid.height || plane->high > plane->low)
+			if (plane->low < 0 || plane->high > vid.height || plane->high > plane->low)
 				;
 			else {
 				// Put it in!
@@ -1762,7 +1762,7 @@ static void R_CreateDrawNodes(void)
 					plane = ds->ffloorplanes[p];
 					R_PlaneBounds(plane);
 
-					if (plane->low < con_clipviewtop || plane->high > vid.height || plane->high > plane->low || plane->polyobj)
+					if (plane->low < 0 || plane->high > vid.height || plane->high > plane->low || plane->polyobj)
 					{
 						ds->ffloorplanes[p] = NULL;
 						continue;
@@ -1799,7 +1799,7 @@ static void R_CreateDrawNodes(void)
 		plane = PolyObjects[i].visplane;
 		R_PlaneBounds(plane);
 
-		if (plane->low < con_clipviewtop || plane->high > vid.height || plane->high > plane->low)
+		if (plane->low < 0 || plane->high > vid.height || plane->high > plane->low)
 		{
 			PolyObjects[i].visplane = NULL;
 			continue;
diff --git a/src/r_things.h b/src/r_things.h
index e4a5f426091692febc2a7930671eb6f7c931a658..6614e0aa4b8c3a1d91d01dd38d2e17b58dd75bb6 100644
--- a/src/r_things.h
+++ b/src/r_things.h
@@ -219,6 +219,7 @@ FUNCMATH FUNCINLINE static ATTRINLINE char R_Frame2Char(UINT8 frame)
 FUNCMATH FUNCINLINE static ATTRINLINE UINT8 R_Char2Frame(char cn)
 {
 #if 1 // 2.1 compat
+	if (cn == '+') return '\\' - 'A'; // PK3 can't use backslash, so use + instead
 	return cn - 'A';
 #else
 	if (cn >= 'A' && cn <= 'Z') return cn - 'A';
diff --git a/src/screen.c b/src/screen.c
index d5beaf360ed35b28bf9128464ac45d2216ead611..af6aed03c0c78abef969d2a87e3cd11a27c42609 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -309,14 +309,6 @@ void SCR_Recalc(void)
 	if (automapactive)
 		AM_Stop();
 
-	// r_plane stuff: visplanes, openings, floorclip, ceilingclip, spanstart,
-	//                spanstop, yslope, distscale, cachedheight, cacheddistance,
-	//                cachedxstep, cachedystep
-	//             -> allocated at the maximum vidsize, static.
-
-	// r_main: xtoviewangle, allocated at the maximum size.
-	// r_things: negonearray, screenheightarray allocated max. size.
-
 	// set the screen[x] ptrs on the new vidbuffers
 	V_Init();
 
diff --git a/src/sdl/mixer_sound.c b/src/sdl/mixer_sound.c
index 3f9b09f10e934d8db387139a6b7e65018a6d70a0..083ef00540ea0de736ae42d3b91ffb2aff4f3ee4 100644
--- a/src/sdl/mixer_sound.c
+++ b/src/sdl/mixer_sound.c
@@ -92,6 +92,12 @@ void I_StartupSound(void)
 {
 	I_Assert(!sound_started);
 
+#ifdef _WIN32
+	// Force DirectSound instead of WASAPI
+	// SDL 2.0.6+ defaults to the latter and it screws up our sound effects
+	SDL_setenv("SDL_AUDIODRIVER", "directsound", 1);
+#endif
+
 	// EE inits audio first so we're following along.
 	if (SDL_WasInit(SDL_INIT_AUDIO) == SDL_INIT_AUDIO)
 	{
diff --git a/src/sdl/sdl_sound.c b/src/sdl/sdl_sound.c
index f4796cd8067a63056d4157891c2b591b3614b2c2..412102790f10f4bfff5c74f1fcbf04f52a7571a1 100644
--- a/src/sdl/sdl_sound.c
+++ b/src/sdl/sdl_sound.c
@@ -1186,6 +1186,12 @@ void I_StartupSound(void)
 	// Configure sound device
 	CONS_Printf("I_StartupSound:\n");
 
+#ifdef _WIN32
+	// Force DirectSound instead of WASAPI
+	// SDL 2.0.6+ defaults to the latter and it screws up our sound effects
+	SDL_setenv("SDL_AUDIODRIVER", "directsound", 1);
+#endif
+
 	// EE inits audio first so we're following along.
 	if (SDL_WasInit(SDL_INIT_AUDIO) == SDL_INIT_AUDIO)
 		CONS_Printf("SDL Audio already started\n");