diff --git a/source/build/include/build.h b/source/build/include/build.h
index 39b4badde98..66a6ed3744e 100644
--- a/source/build/include/build.h
+++ b/source/build/include/build.h
@@ -429,10 +429,6 @@ int32_t   cansee(int32_t x1, int32_t y1, int32_t z1, int16_t sect1,
                  int32_t x2, int32_t y2, int32_t z2, int16_t sect2);
 int32_t   inside(int32_t x, int32_t y, int sectnum);
 void   dragpoint(int pointhighlight, int32_t dax, int32_t day);
-inline void   dragpoint(walltype* pointhighlight, int32_t dax, int32_t day)
-{
-	dragpoint(int(pointhighlight - wall), dax, day);
-}
 int32_t try_facespr_intersect(uspriteptr_t const spr, vec3_t const in,
                                      int32_t vx, int32_t vy, int32_t vz,
                                      vec3_t * const intp, int32_t strictly_smaller_than_p);
@@ -452,6 +448,7 @@ void updatesectorneighbor(int32_t const x, int32_t const y, int * const sectnum,
 void updatesectorneighborz(int32_t const x, int32_t const y, int32_t const z, int * const sectnum, int32_t initialMaxDistance = INITIALUPDATESECTORDIST, int32_t maxDistance = MAXUPDATESECTORDIST) ATTRIBUTE((nonnull(4)));
 
 int findwallbetweensectors(int sect1, int sect2);
+
 inline int sectoradjacent(int sect1, int sect2) { return findwallbetweensectors(sect1, sect2) != -1; }
 int32_t getsectordist(vec2_t const in, int const sectnum, vec2_t * const out = nullptr);
 extern const int16_t *chsecptr_onextwall;
diff --git a/source/core/gamefuncs.h b/source/core/gamefuncs.h
index e424a807dcc..5d4d7256f06 100644
--- a/source/core/gamefuncs.h
+++ b/source/core/gamefuncs.h
@@ -296,3 +296,17 @@ inline double SquareDistToWall(double px, double py, const walltype* wal)
 	return SquareDist(px, py, lx1 + t * (lx2 - lx1), ly1 + t * (ly2 - ly1));
 }
 
+inline int inside(int x, int y, sectortype* sect)
+{
+	return inside(x, y, sectnum(sect));
+}
+
+inline void   dragpoint(walltype* pointhighlight, int32_t dax, int32_t day)
+{
+	dragpoint(wallnum(pointhighlight), dax, day);
+}
+
+inline int findwallbetweensectors(sectortype* sect1, sectortype* sect2)
+{
+	return findwallbetweensectors(sectnum(sect1), sectnum(sect2));
+}
diff --git a/source/games/duke/src/funct.h b/source/games/duke/src/funct.h
index 5b25dc00bb9..b829295cfd4 100644
--- a/source/games/duke/src/funct.h
+++ b/source/games/duke/src/funct.h
@@ -133,7 +133,7 @@ int findotherplayer(int p, int* d);
 void quickkill(struct player_struct* p);
 int setpal(struct player_struct* p);
 int madenoise(int playerNum);
-int haskey(int sect, int snum);
+int haskey(sectortype* sect, int snum);
 void shootbloodsplat(DDukeActor* i, int p, int sx, int sy, int sz, int sa, int atwith, int BIGFORCE, int OOZFILTER, int NEWBEAST);
 
 void breakwall(int newpn, DDukeActor* spr, walltype* dawallnum);
diff --git a/source/games/duke/src/player.cpp b/source/games/duke/src/player.cpp
index 670b324a707..74c8b20ca19 100644
--- a/source/games/duke/src/player.cpp
+++ b/source/games/duke/src/player.cpp
@@ -960,8 +960,9 @@ bool movementBlocked(player_struct *p)
 //
 //---------------------------------------------------------------------------
 
-int haskey(int sect, int snum)
+int haskey(sectortype* sectp, int snum)
 {
+	int sect = sectnum(sectp);
 	auto p = &ps[snum];
 	if (!sectorextra[sect])
 		return 1;
diff --git a/source/games/duke/src/player_d.cpp b/source/games/duke/src/player_d.cpp
index 8d30b38f935..5384cb02ead 100644
--- a/source/games/duke/src/player_d.cpp
+++ b/source/games/duke/src/player_d.cpp
@@ -3172,23 +3172,4 @@ void processinput_d(int snum)
 	processweapon(snum, actions, psect);
 }
 
-void processmove_d(int snum, ESyncBits actions, int psect, int fz, int cz, int shrunk, int truefdist)
-{
-	auto psectp = &sector[psect];
-	int psectlotag = psectp->lotag;
-	auto p = &ps[snum];
-	if (psectlotag == 2)
-	{
-		underwater(snum, actions, fz, cz);
-	}
-
-	else if (p->jetpack_on)
-	{
-		operateJetpack(snum, actions, psectlotag, fz, cz, shrunk);
-	}
-	else if (psectlotag != 2)
-	{
-		movement(snum, actions, psectp, fz, cz, shrunk, truefdist, psectlotag);
-	}
-}
 END_DUKE_NS
diff --git a/source/games/duke/src/player_r.cpp b/source/games/duke/src/player_r.cpp
index e428a1f8100..38f0955ee0e 100644
--- a/source/games/duke/src/player_r.cpp
+++ b/source/games/duke/src/player_r.cpp
@@ -4016,26 +4016,6 @@ void processinput_r(int snum)
 //
 //---------------------------------------------------------------------------
 
-void processmove_r(int snum, ESyncBits actions, int psect, int fz, int cz, int shrunk, int truefdist)
-{
-	auto psectp = &sector[psect];
-	int psectlotag = psectp->lotag;
-	if (psectlotag == ST_2_UNDERWATER)
-	{
-		underwater(snum, actions, fz, cz);
-	}
-	else
-	{
-		movement(snum, actions, psectp, fz, cz, shrunk, truefdist, psectlotag);
-	}
-}
-
-//---------------------------------------------------------------------------
-//
-//
-//
-//---------------------------------------------------------------------------
-
 void OnMotorcycle(struct player_struct *p, DDukeActor* motosprite)
 {
 	if (!p->OnMotorcycle && !(p->cursector()->lotag == 2))
diff --git a/source/games/duke/src/premap.cpp b/source/games/duke/src/premap.cpp
index a0c097161a8..ddb2b3fa15f 100644
--- a/source/games/duke/src/premap.cpp
+++ b/source/games/duke/src/premap.cpp
@@ -1025,7 +1025,7 @@ void enterlevel(MapRecord *mi, int gamemode)
 	for (int i = connecthead; i >= 0; i = connectpoint2[i])
 	{
 		bool clearweapon = !!(currentLevel->flags & LEVEL_CLEARWEAPONS);
-		int pn = sector[ps[i].GetActor()->s->sectnum].floorpicnum;
+		int pn = ps[i].GetActor()->getSector()->floorpicnum;
 		if (pn == TILE_HURTRAIL || pn == TILE_FLOORSLIME || pn == TILE_FLOORPLASMA)
 		{
 			resetinventory(i);
diff --git a/source/games/duke/src/sectors_r.cpp b/source/games/duke/src/sectors_r.cpp
index dba54dc629e..d414e2c8593 100644
--- a/source/games/duke/src/sectors_r.cpp
+++ b/source/games/duke/src/sectors_r.cpp
@@ -2749,7 +2749,7 @@ void checksectors_r(int snum)
 				if (act->s->picnum == ACTIVATOR || act->s->picnum == MASTERSWITCH)
 					return;
 			}
-			if (haskey(sectnum(ntsector), snum))
+			if (haskey(ntsector, snum))
 				operatesectors(ntsector, p->GetActor());
 			else
 			{
@@ -2770,7 +2770,7 @@ void checksectors_r(int snum)
 					if (act->s->picnum == ACTIVATOR || act->s->picnum == MASTERSWITCH)
 						return;
 				}
-				if (haskey(sectnum(ntsector), snum))
+				if (haskey(ntsector, snum))
 					operatesectors(p->GetActor()->s->sector(), p->GetActor());
 				else
 				{
@@ -2830,16 +2830,16 @@ void dofurniture(walltype* wlwal, sectortype* sectp, int snum)
 	max_y += var_cx + 1;
 	min_x -= var_cx + 1;
 	min_y -= var_cx + 1;
-	ins = inside(max_x, max_y, sectnum(sectp));
+	ins = inside(max_x, max_y, sectp);
 	if (!ins)
 		var_C = 0;
-	ins = inside(max_x, min_y, sectnum(sectp));
+	ins = inside(max_x, min_y, sectp);
 	if (!ins)
 		var_C = 0;
-	ins = inside(min_x, min_y, sectnum(sectp));
+	ins = inside(min_x, min_y, sectp);
 	if (!ins)
 		var_C = 0;
-	ins = inside(min_x, max_y, sectnum(sectp));
+	ins = inside(min_x, max_y, sectp);
 	if (!ins)
 		var_C = 0;
 	if (var_C)