diff --git a/source/build/include/build.h b/source/build/include/build.h
index 5e4108557..034460977 100644
--- a/source/build/include/build.h
+++ b/source/build/include/build.h
@@ -154,6 +154,11 @@ void neartag(const vec3_t& pos, sectortype* sect, int angle, HitInfoBase& result
 
 int cansee(int x1, int y1, int z1, sectortype* sect1, int x2, int y2, int z2, sectortype* sect2);
 
+inline int cansee(const DVector3& start, sectortype* sect1, const DVector3& end, sectortype* sect2)
+{
+    return cansee(start.X * worldtoint, start.Y * worldtoint, start.Z * zworldtoint, sect1, end.X * worldtoint, end.Y * worldtoint, end.Z * zworldtoint, sect2);
+}
+
 int32_t try_facespr_intersect(DCoreActor* spr, vec3_t const in,
                                      int32_t vx, int32_t vy, int32_t vz,
                                      vec3_t * const intp, int32_t strictly_smaller_than_p);
diff --git a/source/core/binaryangle.h b/source/core/binaryangle.h
index a5f173e31..82ed9c2b2 100644
--- a/source/core/binaryangle.h
+++ b/source/core/binaryangle.h
@@ -87,7 +87,6 @@ inline double bsinf(const double ang, const int shift = 0)
 	return g_sinbam(ang * BAMUNIT) * sinscale(shift);
 }
 
-
 //---------------------------------------------------------------------------
 //
 // Build cosine inline functions.
@@ -103,7 +102,6 @@ inline double bcosf(const double ang, const int shift = 0)
 	return g_cosbam(ang * BAMUNIT) * sinscale(shift);
 }
 
-
 //---------------------------------------------------------------------------
 //
 //
diff --git a/source/core/coreactor.h b/source/core/coreactor.h
index b7b429fd6..3b9b6f0cb 100644
--- a/source/core/coreactor.h
+++ b/source/core/coreactor.h
@@ -524,6 +524,19 @@ inline void SetActorZ(DCoreActor* actor, const vec3_t& newpos)
 	SetActorZ(actor, &newpos);
 }
 
+inline void SetActor(DCoreActor* actor, const DVector3& newpos)
+{
+	vec3_t ipos = { int(newpos.X * worldtoint), int(newpos.Y * worldtoint), int(newpos.Z * zworldtoint) };
+	SetActor(actor, &ipos);
+}
+
+inline void SetActorZ(DCoreActor* actor, const DVector3& newpos)
+{
+	vec3_t ipos = { int(newpos.X * worldtoint), int(newpos.Y * worldtoint), int(newpos.Z * zworldtoint) };
+	SetActorZ(actor, &ipos);
+}
+
+
 
 inline int clipmove(vec3_t& pos, sectortype** const sect, int xvect, int yvect,
 	int const walldist, int const ceildist, int const flordist, unsigned const cliptype, CollisionBase& result, int clipmoveboxtracenum = 3)
@@ -534,6 +547,16 @@ inline int clipmove(vec3_t& pos, sectortype** const sect, int xvect, int yvect,
 	return result.type;
 }
 
+inline int clipmove(DVector3& pos, sectortype** const sect, int xvect, int yvect,
+	int const walldist, int const ceildist, int const flordist, unsigned const cliptype, CollisionBase& result, int clipmoveboxtracenum = 3)
+{
+	auto vect = vec3_t(pos.X * worldtoint, pos.Y * worldtoint, pos.Z * zworldtoint);
+	int res = clipmove(vect, sect, xvect, yvect, walldist, ceildist, flordist, cliptype, result, clipmoveboxtracenum);
+	pos = { vect.X * inttoworld, vect.Y * inttoworld, vect.Z * zinttoworld };
+	return res;
+}
+
+
 inline int pushmove(vec3_t* const vect, sectortype** const sect, int32_t const walldist, int32_t const ceildist, int32_t const flordist,
 	uint32_t const cliptype, bool clear = true)
 {
@@ -543,15 +566,21 @@ inline int pushmove(vec3_t* const vect, sectortype** const sect, int32_t const w
 	return res;
 }
 
+inline int pushmove(DVector3& pos, sectortype** const sect, int32_t const walldist, int32_t const ceildist, int32_t const flordist,
+	uint32_t const cliptype, bool clear = true)
+{
+	auto vect = vec3_t(pos.X * worldtoint, pos.Y * worldtoint, pos.Z * zworldtoint);
+	int sectno = *sect ? sector.IndexOf(*sect) : -1;
+	int res = pushmove_(&vect, &sectno, walldist, ceildist, flordist, cliptype, clear);
+	pos = { vect.X * inttoworld, vect.Y * inttoworld, vect.Z * zinttoworld };
+	*sect = sectno == -1 ? nullptr : &sector[sectno];
+	return res;
+}
+
 inline int pushmove(DCoreActor* actor, sectortype** const sect, int32_t const walldist, int32_t const ceildist, int32_t const flordist,
 	uint32_t const cliptype, bool clear = true)
 {
-	auto vect = actor->int_pos();
-	int sectno = *sect ? sector.IndexOf(*sect) : -1;
-	int res = pushmove_(&vect, &sectno, walldist, ceildist, flordist, cliptype, clear);
-	actor->set_int_pos(vect);
-	*sect = sectno == -1 ? nullptr : &sector[sectno];
-	return res;
+	return pushmove(actor->spr.pos, sect, walldist, ceildist, flordist, cliptype, clear);
 }
 
 tspritetype* renderAddTsprite(tspriteArray& tsprites, DCoreActor* actor);
diff --git a/source/core/gameinput.h b/source/core/gameinput.h
index 27e99a79e..e67b50ce7 100644
--- a/source/core/gameinput.h
+++ b/source/core/gameinput.h
@@ -25,6 +25,16 @@ struct PlayerHorizon
 	// Prototypes for functions in gameinput.cpp.
 	void applyinput(float const horz, ESyncBits* actions, double const scaleAdjust = 1);
 	void calcviewpitch(vec2_t const pos, binangle const ang, bool const aimmode, bool const canslopetilt, sectortype* const cursectnum, double const scaleAdjust = 1, bool const climbing = false);
+	void calcviewpitch(const DVector2& pos, binangle const ang, bool const aimmode, bool const canslopetilt, sectortype* const cursectnum, double const scaleAdjust = 1, bool const climbing = false)
+	{
+		vec2_t ps = { int(pos.X * worldtoint), int(pos.Y * worldtoint) };
+		calcviewpitch(ps, ang, aimmode, canslopetilt, cursectnum, scaleAdjust, climbing);
+	}
+	void calcviewpitch(const DVector3& pos, binangle const ang, bool const aimmode, bool const canslopetilt, sectortype* const cursectnum, double const scaleAdjust = 1, bool const climbing = false)
+	{
+		vec2_t ps = { int(pos.X * worldtoint), int(pos.Y * worldtoint) };
+		calcviewpitch(ps, ang, aimmode, canslopetilt, cursectnum, scaleAdjust, climbing);
+	}
 
 	// Interpolation helpers.
 	void backup()
diff --git a/source/games/duke/src/actors.cpp b/source/games/duke/src/actors.cpp
index fb2064993..79aec61c8 100644
--- a/source/games/duke/src/actors.cpp
+++ b/source/games/duke/src/actors.cpp
@@ -643,7 +643,7 @@ void movecrane(DDukeActor *actor, int crane)
 			case STAT_STANDABLE:
 			case STAT_PLAYER:
 				actor->spr.ang = getangle(cpt.pole.X - actor->int_pos().X, cpt.pole.Y - actor->int_pos().Y);
-				SetActor(a2, { cpt.pole.X, cpt.pole.Y, a2->int_pos().Z });
+				SetActor(a2, vec3_t( cpt.pole.X, cpt.pole.Y, a2->int_pos().Z ));
 				actor->temp_data[0]++;
 				return;
 			}
@@ -761,7 +761,7 @@ void movecrane(DDukeActor *actor, int crane)
 		actor->temp_data[0] = 0;
 
 	if (cpt.poleactor)
-		SetActor(cpt.poleactor, { actor->int_pos().X, actor->int_pos().Y, actor->int_pos().Z - (34 << 8) });
+		SetActor(cpt.poleactor, vec3_t( actor->int_pos().X, actor->int_pos().Y, actor->int_pos().Z - (34 << 8) ));
 
 	auto Owner = actor->GetOwner();
 	if (Owner != nullptr || actor->IsActiveCrane())
@@ -4187,7 +4187,7 @@ void handle_se20(DDukeActor* actor)
 				ps[p].__int_opos.X = ps[p].player_int_pos().X;
 				ps[p].__int_opos.Y = ps[p].player_int_pos().Y;
 
-				SetActor(ps[p].GetActor(), { ps[p].player_int_pos().X, ps[p].player_int_pos().Y, ps[p].player_int_pos().Z + gs.int_playerheight });
+				SetActor(ps[p].GetActor(), vec3_t( ps[p].player_int_pos().X, ps[p].player_int_pos().Y, ps[p].player_int_pos().Z + gs.int_playerheight ));
 			}
 
 		sc->addfloorxpan(-x / 8.f);
diff --git a/source/games/duke/src/actors_d.cpp b/source/games/duke/src/actors_d.cpp
index adde55c46..fd561c28d 100644
--- a/source/games/duke/src/actors_d.cpp
+++ b/source/games/duke/src/actors_d.cpp
@@ -1892,7 +1892,7 @@ void movetransports_d(void)
 						ps[p].setCursector(Owner->sector());
 
 						ChangeActorSect(act2, Owner->sector());
-						SetActor(ps[p].GetActor(), { ps[p].player_int_pos().X, ps[p].player_int_pos().Y, ps[p].player_int_pos().Z + gs.int_playerheight });
+						SetActor(ps[p].GetActor(), vec3_t(ps[p].player_int_pos().X, ps[p].player_int_pos().Y, ps[p].player_int_pos().Z + gs.int_playerheight ));
 
 						if ((krand() & 255) < 32)
 							spawn(act2, WATERSPLASH2);
@@ -2514,12 +2514,12 @@ static void flamethrowerflame(DDukeActor *actor)
 		}
 		else if (coll.type == kHitWall)
 		{
-			SetActor(actor, { dax, day, daz });
+			SetActor(actor, vec3_t( dax, day, daz ));
 			fi.checkhitwall(actor, coll.hitWall, actor->int_pos().X, actor->int_pos().Y, actor->int_pos().Z, actor->spr.picnum);
 		}
 		else if (coll.type == kHitSector)
 		{
-			SetActor(actor, { dax, day, daz });
+			SetActor(actor, vec3_t(dax, day, daz));
 			if (actor->spr.zvel < 0)
 				fi.checkhitceiling(actor->sector());
 		}
diff --git a/source/games/duke/src/actors_lava.cpp b/source/games/duke/src/actors_lava.cpp
index 87c5fc8d6..8c886379e 100644
--- a/source/games/duke/src/actors_lava.cpp
+++ b/source/games/duke/src/actors_lava.cpp
@@ -434,7 +434,7 @@ void moveminecart(void)
 		while (auto a2 = it.Next())
 		{
 			if (badguy(a2))
-				SetActor(a2, { int(cx * worldtoint), int(cy * worldtoint), a2->int_pos().Z });
+				SetActor(a2, DVector3(cx, cy, a2->spr.pos.Z));
 		}
 	}
 }
diff --git a/source/games/duke/src/actors_r.cpp b/source/games/duke/src/actors_r.cpp
index 3a87d72f7..0fa20128c 100644
--- a/source/games/duke/src/actors_r.cpp
+++ b/source/games/duke/src/actors_r.cpp
@@ -1912,7 +1912,7 @@ static void rrra_specialstats()
 		}
 		else if (act->spr.extra == 200)
 		{
-			SetActor(act, { act->int_pos().X, act->int_pos().Y, act->sector()->int_floorz() - 10 });
+			SetActor(act, vec3_t( act->int_pos().X, act->int_pos().Y, act->sector()->int_floorz() - 10 ));
 			act->spr.extra = 1;
 			act->spr.picnum = PIG + 11;
 			spawn(act, TRANSPORTERSTAR);
@@ -2835,7 +2835,7 @@ void moveactors_r(void)
 				getglobalz(act);
 				if (sectp->lotag == 1)
 				{
-					SetActor(act, { act->int_pos().X,act->int_pos().Y,act->actor_int_floorz() + (16 << 8) });
+					SetActor(act, vec3_t( act->int_pos().X,act->int_pos().Y,act->actor_int_floorz() + (16 << 8) ));
 				}
 				break;
 
diff --git a/source/games/duke/src/ccmds.cpp b/source/games/duke/src/ccmds.cpp
index e7dc1101e..f92c3d7dc 100644
--- a/source/games/duke/src/ccmds.cpp
+++ b/source/games/duke/src/ccmds.cpp
@@ -99,7 +99,7 @@ static int ccmd_spawn(CCmdFuncPtr parm)
 		if (set & 1) spawned->spr.pal = (uint8_t)pal;
 		if (set & 2) spawned->spr.cstat = ESpriteFlags::FromInt(cstat);
 		if (set & 4) spawned->spr.ang = ang;
-		if (set & 8) SetActor(spawned, { x, y, z });
+		if (set & 8) SetActor(spawned, DVector3( x, y, z ));
 
 		if (spawned->sector() == nullptr)
 		{
diff --git a/source/games/duke/src/gameexec.cpp b/source/games/duke/src/gameexec.cpp
index bee6f58ad..4ca494806 100644
--- a/source/games/duke/src/gameexec.cpp
+++ b/source/games/duke/src/gameexec.cpp
@@ -2229,7 +2229,7 @@ int ParseState::parse(void)
 			g_ac->set_int_pos({ ps[g_p].bobpos.X = ps[g_p].__int_opos.X = ps[g_p].player_int_pos().X, ps[g_p].bobpos.Y = ps[g_p].__int_opos.Y = ps[g_p].player_int_pos().Y, ps[g_p].__int_opos.Z = ps[g_p].__int_pos.Z });
 			g_ac->backuppos();
 			updatesector(ps[g_p].player_int_pos().X, ps[g_p].player_int_pos().Y, &ps[g_p].cursector);
-			SetActor(ps[g_p].GetActor(), { ps[g_p].player_int_pos().X, ps[g_p].player_int_pos().Y, ps[g_p].player_int_pos().Z + gs.int_playerheight });
+			SetActor(ps[g_p].GetActor(), vec3_t( ps[g_p].player_int_pos().X, ps[g_p].player_int_pos().Y, ps[g_p].player_int_pos().Z + gs.int_playerheight ));
 			g_ac->spr.cstat = CSTAT_SPRITE_BLOCK_ALL;
 
 			g_ac->spr.shade = -12;
diff --git a/source/games/duke/src/player_d.cpp b/source/games/duke/src/player_d.cpp
index 0fa680bf4..86f3173a0 100644
--- a/source/games/duke/src/player_d.cpp
+++ b/source/games/duke/src/player_d.cpp
@@ -3056,7 +3056,7 @@ HORIZONLY:
 	}
 
 	// RBG***
-	SetActor(pact, { p->player_int_pos().X, p->player_int_pos().Y, p->player_int_pos().Z + gs.int_playerheight });
+	SetActor(pact, vec3_t( p->player_int_pos().X, p->player_int_pos().Y, p->player_int_pos().Z + gs.int_playerheight ));
 
 	if (psectlotag < 3)
 	{
diff --git a/source/games/duke/src/player_r.cpp b/source/games/duke/src/player_r.cpp
index 5d417ec60..5eb86a2f3 100644
--- a/source/games/duke/src/player_r.cpp
+++ b/source/games/duke/src/player_r.cpp
@@ -3898,7 +3898,7 @@ HORIZONLY:
 	}
 
 	// RBG***
-	SetActor(pact, { p->player_int_pos().X, p->player_int_pos().Y, p->player_int_pos().Z + gs.int_playerheight });
+	SetActor(pact, vec3_t( p->player_int_pos().X, p->player_int_pos().Y, p->player_int_pos().Z + gs.int_playerheight ));
 
 	if (psectlotag == 800 && (!isRRRA() || !p->lotag800kill))
 	{