diff --git a/source/core/namedef_custom.h b/source/core/namedef_custom.h
index 5c8e6bc60..9f08698d4 100644
--- a/source/core/namedef_custom.h
+++ b/source/core/namedef_custom.h
@@ -22,4 +22,10 @@ xx(aimoffset)
 xx(strength)
 xx(autoaimangle)
 xx(shootzoffset)
-xx(moveclipdist)
\ No newline at end of file
+xx(moveclipdist)
+xx(jumptoplayer_factor)
+xx(justjump1_factor)
+xx(justjump2_factor)
+xx(windang_factor)
+xx(floating_floordist)
+xx(floating_ceilingdist)
diff --git a/source/core/thingdef_data.cpp b/source/core/thingdef_data.cpp
index b4bc98753..acd4f952a 100644
--- a/source/core/thingdef_data.cpp
+++ b/source/core/thingdef_data.cpp
@@ -191,6 +191,8 @@ static FFlagDef DukeActorFlagDefs[] =
 	DEFINE_FLAG(SFLAG3, QUICKALTERANG, DDukeActor, flags3),
 	DEFINE_FLAG(SFLAG3, SPAWNWEAPONDEBRIS, DDukeActor, flags3),
 	DEFINE_FLAG(SFLAG3, NOJIBS, DDukeActor, flags3),
+	DEFINE_FLAG(SFLAG3, NOVERTICALMOVE, DDukeActor, flags3),
+	DEFINE_FLAG(SFLAG3, MOVE_NOPLAYERINTERACT, DDukeActor, flags3),
 
 };
 
diff --git a/source/games/duke/src/actors_d.cpp b/source/games/duke/src/actors_d.cpp
index 6a8325b15..bf16230a8 100644
--- a/source/games/duke/src/actors_d.cpp
+++ b/source/games/duke/src/actors_d.cpp
@@ -944,51 +944,30 @@ void move_d(DDukeActor *actor, int playernum, int xvel)
 
 	if (actor->vel.X != 0 || actor->vel.Z != 0)
 	{
-		if (a && actor->spr.picnum != DTILE_ROTATEGUN)
+		if (a && !(actor->flags3 & SFLAG3_NOVERTICALMOVE))
 		{
-			if ((actor->spr.picnum == DTILE_DRONE || actor->spr.picnum == DTILE_COMMANDER) && actor->spr.extra > 0)
+			if ((actor->flags2 & SFLAG2_FLOATING) && actor->spr.extra > 0)
 			{
-				if (actor->spr.picnum == DTILE_COMMANDER)
+				double fdist = actor->FloatVar(NAME_floating_floordist);
+				double cdist = actor->FloatVar(NAME_floating_ceilingdist);
+				double c, f;
+				calcSlope(actor->sector(), actor->spr.pos.X, actor->spr.pos.Y, &c, &f);
+				actor->floorz = f;
+				actor->ceilingz = c;
+
+				if (actor->spr.pos.Z > f - fdist)
 				{
-					double c, f;
-					calcSlope(actor->sector(), actor->spr.pos.X, actor->spr.pos.Y, &c, &f);
-					actor->floorz = f;
-					actor->ceilingz = c;
-
-					if (actor->spr.pos.Z > f - 8)
-					{
-						actor->spr.pos.Z = f - 8;
-						actor->vel.Z = 0;
-					}
-
-					if (actor->spr.pos.Z < c + 80)
-					{
-						actor->spr.pos.Z = c + 80;
-						actor->vel.Z = 0;
-					}
+					actor->spr.pos.Z = f - fdist;
+					actor->vel.Z = 0;
 				}
-				else
+
+				if (actor->spr.pos.Z < c + cdist)
 				{
-					if (actor->vel.Z > 0)
-					{
-						double f = getflorzofslopeptr(actor->sector(), actor->spr.pos.X, actor->spr.pos.Y);
-						actor->floorz = f;
-						if (actor->spr.pos.Z > f - 30)
-							actor->spr.pos.Z = f - 30;
-					}
-					else
-					{
-						double c = getceilzofslopeptr(actor->sector(), actor->spr.pos.X, actor->spr.pos.Y);
-						actor->ceilingz = c;
-						if (actor->spr.pos.Z < c + 50)
-						{
-							actor->spr.pos.Z = c + 50;
-							actor->vel.Z = 0;
-						}
-					}
+					actor->spr.pos.Z = c + cdist;
+					actor->vel.Z = 0;
 				}
 			}
-			else if (actor->spr.picnum != DTILE_ORGANTIC)
+			else
 			{
 				if (actor->vel.Z > 0 && actor->floorz < actor->spr.pos.Z)
 					actor->spr.pos.Z = actor->floorz;
@@ -1007,7 +986,7 @@ void move_d(DDukeActor *actor, int playernum, int xvel)
 		daxvel = actor->vel.X;
 		angdif = actor->spr.Angles.Yaw;
 
-		if (a && actor->spr.picnum != DTILE_ROTATEGUN)
+		if (a && !(actor->flags3 & SFLAG3_MOVE_NOPLAYERINTERACT))
 		{
 			if (xvel < 960 && actor->spr.scale.X > 0.25 )
 			{
diff --git a/source/games/duke/src/actors_r.cpp b/source/games/duke/src/actors_r.cpp
index 294311a8c..3e83b3e82 100644
--- a/source/games/duke/src/actors_r.cpp
+++ b/source/games/duke/src/actors_r.cpp
@@ -1035,66 +1035,35 @@ void move_r(DDukeActor *actor, int pnum, int xvel)
 		actor->spr.Angles.Yaw += angdif;
 	}
 
-	if (isRRRA())
+	if (a & antifaceplayerslow)
 	{
-		if (a & antifaceplayerslow)
-		{
-			if (ps[pnum].newOwner != nullptr)
-				goalang = ((ps[pnum].GetActor()->opos.XY() - actor->spr.pos.XY()).Angle() + DAngle180);
-			else goalang = ((ps[pnum].GetActor()->spr.pos.XY() - actor->spr.pos.XY()).Angle() + DAngle180);
-			angdif = DAngle22_5 * 0.25 * Sgn(deltaangle(actor->spr.Angles.Yaw, goalang).Degrees()); // this looks very wrong...
-			actor->spr.Angles.Yaw += angdif;
-		}
-
-		if ((a & jumptoplayer) == jumptoplayer)
-		{
-			if (actor->spr.picnum == RTILE_CHEER)
-			{
-				if (actor->counter < 16)
-					actor->vel.Z -= BobVal(512 + (actor->counter << 4)) * 1.6;
-			}
-			else
-			{
-				if (actor->counter < 16)
-					actor->vel.Z -= BobVal(512 + (actor->counter << 4)) * 2;
-			}
-		}
-		if (a & justjump1)
-		{
-			if (actor->spr.picnum == RTILE_RABBIT)
-			{
-				if (actor->counter < 8)
-					actor->vel.Z -= BobVal(512 + (actor->counter << 4)) * 2.133;
-			}
-			else if (actor->spr.picnum == RTILE_MAMA)
-			{
-				if (actor->counter < 8)
-					actor->vel.Z -= BobVal(512 + (actor->counter << 4)) * 1.83;
-			}
-		}
-		if (a & justjump2)
-		{
-			if (actor->spr.picnum == RTILE_RABBIT)
-			{
-				if (actor->counter < 8)
-					actor->vel.Z -= BobVal(512 + (actor->counter << 4)) * 2.667;
-			}
-			else if (actor->spr.picnum == RTILE_MAMA)
-			{
-				if (actor->counter < 8)
-					actor->vel.Z -= BobVal(512 + (actor->counter << 4)) * 2.286;
-			}
-		}
-		if (a & windang)
-		{
-			if (actor->counter < 8)
-				actor->vel.Z -= BobVal(512 + (actor->counter << 4) * 2.667);
-		}
+		if (ps[pnum].newOwner != nullptr)
+			goalang = ((ps[pnum].GetActor()->opos.XY() - actor->spr.pos.XY()).Angle() + DAngle180);
+		else goalang = ((ps[pnum].GetActor()->spr.pos.XY() - actor->spr.pos.XY()).Angle() + DAngle180);
+		angdif = DAngle22_5 * 0.25 * Sgn(deltaangle(actor->spr.Angles.Yaw, goalang).Degrees()); // this looks very wrong...
+		actor->spr.Angles.Yaw += angdif;
 	}
-	else if ((a & jumptoplayer) == jumptoplayer)
+
+	if ((a & jumptoplayer) == jumptoplayer)
 	{
 		if (actor->counter < 16)
-			actor->vel.Z -= BobVal(512 + (actor->counter << 4)) * 2;
+				actor->vel.Z -= BobVal(512 + (actor->counter << 4)) * actor->FloatVar(NAME_jumptoplayer_factor);
+	}
+	if (a & justjump1)
+	{
+		if (actor->counter < 8)
+			actor->vel.Z -= BobVal(512 + (actor->counter << 4)) * actor->FloatVar(NAME_justjump1_factor);
+	}
+	if (a & justjump2)
+	{
+		if (actor->counter < 8)
+			actor->vel.Z -= BobVal(512 + (actor->counter << 4)) * actor->FloatVar(NAME_justjump2_factor);
+	}
+	if (a & windang)
+	{
+		if (actor->counter < 8)
+			actor->vel.Z -= BobVal(512 + (actor->counter << 4)) * actor->FloatVar(NAME_windang_factor);
+		actor->vel.Z -= BobVal(512 + (actor->counter << 4) * 2.667);
 	}
 
 
@@ -1152,36 +1121,39 @@ void move_r(DDukeActor *actor, int pnum, int xvel)
 	{
 		if (a)
 		{
-			if (actor->spr.picnum == RTILE_DRONE && actor->spr.extra > 0)
+			if ((actor->flags2 & SFLAG2_FLOATING) && actor->spr.extra > 0)
 			{
-				if (actor->vel.Z > 0)
+				double fdist = actor->FloatVar(NAME_floating_floordist);
+				double cdist = actor->FloatVar(NAME_floating_ceilingdist);
+				double c, f;
+				calcSlope(actor->sector(), actor->spr.pos.X, actor->spr.pos.Y, &c, &f);
+				actor->floorz = f;
+				actor->ceilingz = c;
+
+				if (actor->spr.pos.Z > f - fdist)
 				{
-					double dist = isRRRA() ? 28 : 30;
-					double f = getflorzofslopeptr(actor->sector(), actor->spr.pos.X, actor->spr.pos.Y);
-					actor->floorz = f;
-					if (actor->spr.pos.Z > f - dist)
-						actor->spr.pos.Z = f - dist;
+					actor->spr.pos.Z = f - fdist;
+					actor->vel.Z = 0;
 				}
-				else
+
+				if (actor->spr.pos.Z < c + cdist)
 				{
-					double c = getceilzofslopeptr(actor->sector(), actor->spr.pos.X, actor->spr.pos.Y);
-					actor->ceilingz = c;
-					if (actor->spr.pos.Z < c + 50)
-					{
-						actor->spr.pos.Z = c + 50;
-						actor->vel.Z = 0;
-					}
+					actor->spr.pos.Z = c + cdist;
+					actor->vel.Z = 0;
 				}
 			}
-			if (actor->vel.Z > 0 && actor->floorz < actor->spr.pos.Z)
-				actor->spr.pos.Z = actor->floorz;
-			if (actor->vel.Z < 0)
+			else
 			{
-				double c = getceilzofslopeptr(actor->sector(), actor->spr.pos.X, actor->spr.pos.Y);
-				if (actor->spr.pos.Z < c + 66)
+				if (actor->vel.Z > 0 && actor->floorz < actor->spr.pos.Z)
+					actor->spr.pos.Z = actor->floorz;
+				if (actor->vel.Z < 0)
 				{
-					actor->spr.pos.Z = c + 66;
-					actor->vel.Z *= 0.5;
+					double c = getceilzofslopeptr(actor->sector(), actor->spr.pos.X, actor->spr.pos.Y);
+					if (actor->spr.pos.Z < c + 66)
+					{
+						actor->spr.pos.Z = c + 66;
+						actor->vel.Z *= 0.5;
+					}
 				}
 			}
 		}
diff --git a/source/games/duke/src/constants.h b/source/games/duke/src/constants.h
index 73bf76042..896d3fe95 100644
--- a/source/games/duke/src/constants.h
+++ b/source/games/duke/src/constants.h
@@ -424,6 +424,8 @@ enum sflags3_t
 	SFLAG3_QUICKALTERANG = 0x00400000,
 	SFLAG3_SPAWNWEAPONDEBRIS = 0x00800000,
 	SFLAG3_NOJIBS = 0x01000000,
+	SFLAG3_NOVERTICALMOVE = 0x02000000,
+	SFLAG3_MOVE_NOPLAYERINTERACT = 0x04000000,
 
 
 };
diff --git a/wadsrc/static/zscript/games/duke/actors/commander.zs b/wadsrc/static/zscript/games/duke/actors/commander.zs
index 3a26fa43c..7eb8ff55f 100644
--- a/wadsrc/static/zscript/games/duke/actors/commander.zs
+++ b/wadsrc/static/zscript/games/duke/actors/commander.zs
@@ -11,6 +11,8 @@ class DukeCommander : DukeActor
 		+NORANDOMANGLEWHENBLOCKED;
 		gutsoffset -24;
 		falladjustz 0;
+		floating_floordist 8;
+		floating_ceilingdist 80;
 	}
 	
 	override void PlayFTASound()
diff --git a/wadsrc/static/zscript/games/duke/actors/mech.zs b/wadsrc/static/zscript/games/duke/actors/mech.zs
index f5f27ee74..c09ca8c24 100644
--- a/wadsrc/static/zscript/games/duke/actors/mech.zs
+++ b/wadsrc/static/zscript/games/duke/actors/mech.zs
@@ -10,6 +10,8 @@ class DukeDrone : DukeActor
 		+QUICKALTERANG;
 		+NOJIBS;
 		falladjustz 0;
+		floating_floordist 30;
+		floating_ceilingdist 50;
 	}
 	
 	override void PlayFTASound()
@@ -25,6 +27,7 @@ class DukeTurret : DukeActor
 		pic "ORGANTIC";
 		+INTERNAL_BADGUY;
 		+KILLCOUNT;
+		+NOVERTICALMOVE;
 		aimoffset 32;
 	}
 	
@@ -49,6 +52,8 @@ class DukeRotateGun : DukeActor
 		+NODAMAGEPUSH;
 		+NORADIUSPUSH;
 		+SHOOTCENTERED;
+		+NOVERTICALMOVE;
+		+MOVE_NOPLAYERINTERACT;
 		sparkoffset -8;
 		aimoffset 32;
 		shootzoffset 0;
diff --git a/wadsrc/static/zscript/games/duke/actors/redneckenemies.zs b/wadsrc/static/zscript/games/duke/actors/redneckenemies.zs
index 02aaee08d..1575b7e8a 100644
--- a/wadsrc/static/zscript/games/duke/actors/redneckenemies.zs
+++ b/wadsrc/static/zscript/games/duke/actors/redneckenemies.zs
@@ -88,6 +88,7 @@ class RedneckCheerleader : DukeActor
 		+KILLCOUNT;
 		+LOOKALLAROUND;
 		+ALTPROJECTILESPRITE; // owed to CON's shittiness. Todo: Think of something better.
+		jumptoplayer_factor 1.6;
 }
 	override void Initialize()
 	{
@@ -233,6 +234,8 @@ class RedneckMama : DukeActor
 		+LOOKALLAROUND;
 		+NORADIUSPUSH;
 		+SPAWNRABBITGUTS; // owed to CON's shittiness. Todo: Think of something better.
+		justjump1_factor 1.83;
+		justjump2_factor 2.286;
 	}
 
 	override void Initialize()
@@ -284,6 +287,7 @@ class RedneckCheerStayput : RedneckCheerleader
 	default
 	{
 		pic "CHEERSTAYPUT";
+		jumptoplayer_factor 2.0;
 	}
 	
 	override void initialize()
@@ -443,6 +447,8 @@ class RedneckMosquito : DukeActor
 		+QUICKALTERANG;
 		+NOJIBS;
 		falladjustz 0;
+		floating_floordist 30;
+		floating_ceilingdist 50;
 	}
 	override void Initialize()
 	{
diff --git a/wadsrc/static/zscript/games/duke/dukeactor.zs b/wadsrc/static/zscript/games/duke/dukeactor.zs
index 348bd8894..b63688d07 100644
--- a/wadsrc/static/zscript/games/duke/dukeactor.zs
+++ b/wadsrc/static/zscript/games/duke/dukeactor.zs
@@ -116,6 +116,12 @@ class DukeActor : CoreActor native
 		falladjustz 24;
 		autoaimangle 8.4375;
 		projectilespread 5.625;
+		jumptoplayer_factor 2.0;
+		justjump1_factor 2.133;
+		justjump2_factor 2.667;
+		windang_factor 2.667;
+		floating_floordist 0;
+		floating_ceilingdist 66;
 	}
 	enum EStatnums
 	{
@@ -242,6 +248,12 @@ class DukeActor : CoreActor native
 	meta double projectilespread;
 	meta double shootzoffset;
 	meta double moveclipdist;
+	meta double jumptoplayer_factor;
+	meta double justjump1_factor;
+	meta double justjump2_factor;
+	meta double windang_factor;
+	meta double floating_floordist;
+	meta double floating_ceilingdist;
 
 	property prefix: none;
 	property gutsoffset: gutsoffset;
@@ -253,6 +265,12 @@ class DukeActor : CoreActor native
 	property projectilespread: projectilespread;
 	property shootzoffset: shootzoffset;
 	property moveclipdist: moveclipdist;
+	property jumptoplayer_factor: jumptoplayer_factor;
+	property justjump1_factor: justjump1_factor;
+	property justjump2_factor: justjump2_factor;
+	property windang_factor: windang_factor;
+	property floating_floordist: floating_floordist;
+	property floating_ceilingdist: floating_ceilingdist;
 	
 	native void SetSpritesetImage(int index);
 	native int GetSpritesetSize();