diff --git a/source/core/zcompile.cpp b/source/core/zcompile.cpp
index 814cfb6e3..63eff2ed3 100644
--- a/source/core/zcompile.cpp
+++ b/source/core/zcompile.cpp
@@ -88,6 +88,7 @@ void LoadScripts()
 
 	FScriptPosition::StrictErrors = true;
 	ParseScripts();
+	SynthesizeFlagFields();
 
 	FunctionBuildList.Build();
 
@@ -99,7 +100,6 @@ void LoadScripts()
 
 	timer.Unclock();
 	if (!batchrun) Printf("script parsing took %.2f ms\n", timer.TimeMS());
-	SynthesizeFlagFields();
 
 	for (int i = PClass::AllClasses.Size() - 1; i >= 0; i--)
 	{
diff --git a/source/games/duke/src/vmexports.cpp b/source/games/duke/src/vmexports.cpp
index f205b579d..a33cffb57 100644
--- a/source/games/duke/src/vmexports.cpp
+++ b/source/games/duke/src/vmexports.cpp
@@ -664,12 +664,7 @@ DEFINE_ACTION_FUNCTION_NATIVE(DDukeActor, insertspriteq, insertspriteq)
 	return 0;
 }
 
-void DukeActor_operateforcefields(DDukeActor* self, int tag)
-{
-	operateforcefields(self, tag);
-}
-
-DEFINE_ACTION_FUNCTION_NATIVE(DDukeActor, operateforcefields, DukeActor_operateforcefields)
+DEFINE_ACTION_FUNCTION_NATIVE(DDukeActor, operateforcefields, operateforcefields)
 {
 	PARAM_SELF_PROLOGUE(DDukeActor);
 	PARAM_INT(tag);
@@ -704,29 +699,6 @@ DEFINE_ACTION_FUNCTION_NATIVE(DDukeActor, subkill, subkill)
 	return 0;
 }
 
-
-// temporary helpers to hide the fact that these flags are not part of the actor yet.
-DEFINE_ACTION_FUNCTION(DDukeActor, actorflag1)
-{
-	PARAM_SELF_PROLOGUE(DDukeActor);
-	PARAM_INT(mask);
-	ACTION_RETURN_BOOL(!!(self->flags1 & EDukeFlags1::FromInt(mask)));
-}
-
-DEFINE_ACTION_FUNCTION(DDukeActor, actorflag2)
-{
-	PARAM_SELF_PROLOGUE(DDukeActor);
-	PARAM_INT(mask);
-	ACTION_RETURN_BOOL(!!(self->flags2 & EDukeFlags2::FromInt(mask)));
-}
-
-DEFINE_ACTION_FUNCTION(DDukeActor, actorflag3)
-{
-	PARAM_SELF_PROLOGUE(DDukeActor);
-	PARAM_INT(mask);
-	ACTION_RETURN_BOOL(!!(self->flags3 & EDukeFlags3::FromInt(mask)));
-}
-
 //---------------------------------------------------------------------------
 //
 // DukePlayer
diff --git a/wadsrc/static/zscript/games/duke/actors/bloodpool.zs b/wadsrc/static/zscript/games/duke/actors/bloodpool.zs
index ec4cb2111..066eb6b03 100644
--- a/wadsrc/static/zscript/games/duke/actors/bloodpool.zs
+++ b/wadsrc/static/zscript/games/duke/actors/bloodpool.zs
@@ -14,12 +14,12 @@ class DukeBloodPool : DukeActor
 		{
 			if (Owner.pal == 1)
 				self.pal = 1;	// Blue
-			else if (Owner.pal == 6 || Owner.actorflag2(SFLAG2_GREENBLOOD))
+			else if (Owner.pal == 6 || Owner.bGREENBLOOD)
 			{
 				self.pal = 0;	// Green
 				self.temp_data[5] = 1;	// this hurts!
 			}
-			else if (Owner.actorflag3(SFLAG3_BROWNBLOOD))
+			else if (Owner.bBROWNBLOOD)
 				self.pal = 7; 	// Brown
 			else
 				self.pal = 2; // Red
diff --git a/wadsrc/static/zscript/games/duke/actors/bloodsplats.zs b/wadsrc/static/zscript/games/duke/actors/bloodsplats.zs
index 548df765a..9b645de11 100644
--- a/wadsrc/static/zscript/games/duke/actors/bloodsplats.zs
+++ b/wadsrc/static/zscript/games/duke/actors/bloodsplats.zs
@@ -98,7 +98,7 @@ class DukeBloodSplat1 : DukeActor
 			spawned.SetPosition(spawned.pos);
 			spawned.cstat2 |= CSTAT2_SPRITE_DECAL;
 
-			if (shooter.actorflag2(SFLAG2_GREENBLOOD))
+			if (shooter.bGREENBLOOD)
 				spawned.pal = 6;
 		}
 		return true;
diff --git a/wadsrc/static/zscript/games/duke/actors/burning.zs b/wadsrc/static/zscript/games/duke/actors/burning.zs
index e87807a0a..75b41b0fd 100644
--- a/wadsrc/static/zscript/games/duke/actors/burning.zs
+++ b/wadsrc/static/zscript/games/duke/actors/burning.zs
@@ -56,7 +56,7 @@ class DukeBurning : DukeActor
 		}
 		t.cstat |= CSTAT_SPRITE_YCENTER;
 		double d;
-		if (!OwnerAc || !OwnerAc.actorflag1(SFLAG_NOFLOORFIRE))
+		if (!OwnerAc || !OwnerAc.bNOFLOORFIRE)
 			[d, t.pos.Z] = t.sector.getSlopes(t.pos.XY);
 		return false;
 	}
@@ -84,7 +84,7 @@ class RedneckFire : DukeActor
 	{
 		let OwnerAc = self.ownerActor;
 		double d;
-		if (!OwnerAc || !OwnerAc.actorflag1(SFLAG_NOFLOORFIRE))
+		if (!OwnerAc || !OwnerAc.bNOFLOORFIRE)
 			[d, t.pos.Z] = t.sector.getSlopes(t.pos.XY);
 		return false;
 	}
diff --git a/wadsrc/static/zscript/games/duke/actors/cactus.zs b/wadsrc/static/zscript/games/duke/actors/cactus.zs
index 37e23116a..5f3fc9249 100644
--- a/wadsrc/static/zscript/games/duke/actors/cactus.zs
+++ b/wadsrc/static/zscript/games/duke/actors/cactus.zs
@@ -24,7 +24,7 @@ class DukeCactus : DukeCactusBroke
 
 	override void onHit(DukeActor hitter)
 	{
-		if (self.spritesetindex == 0 && hitter.actorflag1(SFLAG_INFLAME))
+		if (self.spritesetindex == 0 && hitter.bINFLAME)
 		{
 			let scrap = Raze.isRR()? DukeScrap.Scrap6 : DukeScrap.Scrap3;
 			
diff --git a/wadsrc/static/zscript/games/duke/actors/crack.zs b/wadsrc/static/zscript/games/duke/actors/crack.zs
index 189a93854..ad4b3b80a 100644
--- a/wadsrc/static/zscript/games/duke/actors/crack.zs
+++ b/wadsrc/static/zscript/games/duke/actors/crack.zs
@@ -37,7 +37,7 @@ class DukeCrack : DukeActor
 				DukeStatIterator it;
 				for(let a1 = it.First(STAT_STANDABLE); a1; a1 = it.Next())
 				{
-					if (self.hitag == a1.hitag && a1.actorflag2(SFLAG2_BRIGHTEXPLODE))
+					if (self.hitag == a1.hitag && a1.bBRIGHTEXPLODE)
 						if (a1.shade != -32)
 							a1.shade = -32;
 				}
diff --git a/wadsrc/static/zscript/games/duke/actors/destructibles.zs b/wadsrc/static/zscript/games/duke/actors/destructibles.zs
index 313e4edc5..60ee002d4 100644
--- a/wadsrc/static/zscript/games/duke/actors/destructibles.zs
+++ b/wadsrc/static/zscript/games/duke/actors/destructibles.zs
@@ -160,7 +160,7 @@ class DukeSatellite : DukeActor
 	}
 	override void OnHit(DukeActor proj)
 	{
-		if (!proj.actorflag3(SFLAG3_LIGHTDAMAGE))
+		if (!proj.bLIGHTDAMAGE)
 		{
 			for (int j = 0; j < 15; j++)
 			{
diff --git a/wadsrc/static/zscript/games/duke/actors/fireext.zs b/wadsrc/static/zscript/games/duke/actors/fireext.zs
index 849e24a6a..82a7e3b11 100644
--- a/wadsrc/static/zscript/games/duke/actors/fireext.zs
+++ b/wadsrc/static/zscript/games/duke/actors/fireext.zs
@@ -53,7 +53,7 @@ class DukeFireext : DukeActor
 			DukeStatIterator it;
 			for(let a1 = it.First(STAT_STANDABLE); a1; a1 = it.Next())
 			{
-				if (self.hitag == a1.hitag && a1.actorflag2(SFLAG2_BRIGHTEXPLODE))
+				if (self.hitag == a1.hitag && a1.bBRIGHTEXPLODE)
 					if (a1.shade != -32)
 						a1.shade = -32;
 			}
diff --git a/wadsrc/static/zscript/games/duke/actors/flammables.zs b/wadsrc/static/zscript/games/duke/actors/flammables.zs
index 49a37f4a3..f6b302d6e 100644
--- a/wadsrc/static/zscript/games/duke/actors/flammables.zs
+++ b/wadsrc/static/zscript/games/duke/actors/flammables.zs
@@ -19,7 +19,7 @@ class DukeFlammable : DukeActor
 			self.temp_data[1]++;
 			if ((self.temp_data[1] & 3) > 0) return;
 
-			if (self.actorflag1(SFLAG_FLAMMABLEPOOLEFFECT) && self.temp_data[1] == 32)
+			if (self.bFLAMMABLEPOOLEFFECT && self.temp_data[1] == 32)
 			{
 				self.cstat = 0;
 				let spawned = self.spawn("DukeBloodPool");
@@ -56,7 +56,7 @@ class DukeFlammable : DukeActor
 			}
 			self.scale.Y = scale;
 		}
-		if (self.actorflag1(SFLAG_FALLINGFLAMMABLE))
+		if (self.bFALLINGFLAMMABLE)
 		{
 			self.makeitfall();
 			self.ceilingz = self.sector.ceilingz;
@@ -65,7 +65,7 @@ class DukeFlammable : DukeActor
 	
 	override void onHit(DukeActor hitter)
 	{
-		if (hitter.actorflag1(SFLAG_INFLAME))
+		if (hitter.bINFLAME)
 		{
 			if (self.temp_data[0] == 0)
 			{
diff --git a/wadsrc/static/zscript/games/duke/actors/greenslime.zs b/wadsrc/static/zscript/games/duke/actors/greenslime.zs
index 94cd58420..d678abef4 100644
--- a/wadsrc/static/zscript/games/duke/actors/greenslime.zs
+++ b/wadsrc/static/zscript/games/duke/actors/greenslime.zs
@@ -162,7 +162,7 @@ class DukeGreenSlime : DukeActor
 				DukeStatIterator it;
 				for (let ac = it.First(STAT_ACTOR); ac; ac = it.Next())
 				{
-					if (ac.actorflag2(SFLAG2_CAMERA)) ac.yint = 0;
+					if (ac.bCAMERA) ac.yint = 0;
 				}
 			}
 
@@ -306,7 +306,7 @@ class DukeGreenSlime : DukeActor
 			DukeSectIterator it;
 			for (let a2 = it.First(self.sector); a2; a2 = it.Next())
 			{
-				if (a2.actorflag1(SFLAG_GREENSLIMEFOOD))
+				if (a2.bGREENSLIMEFOOD)
 				{
 					double dist = (self.pos.XY - a2.pos.XY).LengthSquared();
 					if (dist < 48*48 && (abs(self.pos.Z - a2.pos.Z) < 16)) //Gulp them
diff --git a/wadsrc/static/zscript/games/duke/actors/jibs.zs b/wadsrc/static/zscript/games/duke/actors/jibs.zs
index 53961702e..130e35617 100644
--- a/wadsrc/static/zscript/games/duke/actors/jibs.zs
+++ b/wadsrc/static/zscript/games/duke/actors/jibs.zs
@@ -21,7 +21,7 @@ extend class DukeActor
 
 		if (self.badguy() && self.pal == 6)
 			pal = 6;
-		else if (!self.actorflag2(SFLAG2_TRANSFERPALTOJIBS))
+		else if (!self.bTRANSFERPALTOJIBS)
 			pal = 0;
 		else
 			pal = self.pal;
diff --git a/wadsrc/static/zscript/games/duke/actors/masterswitch.zs b/wadsrc/static/zscript/games/duke/actors/masterswitch.zs
index f05dc64a2..30c5a3b5c 100644
--- a/wadsrc/static/zscript/games/duke/actors/masterswitch.zs
+++ b/wadsrc/static/zscript/games/duke/actors/masterswitch.zs
@@ -38,7 +38,7 @@ class DukeMasterSwitch : DukeActor
 					}
 					else //if (effector.statnum == STAT_STANDABLE) this check is not really needed.
 					{
-						if (effector.actorflag2(SFLAG2_BRIGHTEXPLODE)) // SEENINE and OOZFILTER
+						if (effector.bBRIGHTEXPLODE) // SEENINE and OOZFILTER
 						{
 							effector.shade = -31;
 						}
diff --git a/wadsrc/static/zscript/games/duke/actors/ooz.zs b/wadsrc/static/zscript/games/duke/actors/ooz.zs
index f370304aa..010593fdd 100644
--- a/wadsrc/static/zscript/games/duke/actors/ooz.zs
+++ b/wadsrc/static/zscript/games/duke/actors/ooz.zs
@@ -11,7 +11,7 @@ class DukeOoz : DukeActor
 
 		if (!self.mapSpawned)
 		{
-			if (self.actorflag2(SFLAG2_PAL8OOZ))
+			if (self.bPAL8OOZ)
 				self.pal = 8;
 			if (!Raze.IsRR()) self.insertspriteq();
 		}
diff --git a/wadsrc/static/zscript/games/duke/actors/oozfilter.zs b/wadsrc/static/zscript/games/duke/actors/oozfilter.zs
index 2b7b22883..72693ff21 100644
--- a/wadsrc/static/zscript/games/duke/actors/oozfilter.zs
+++ b/wadsrc/static/zscript/games/duke/actors/oozfilter.zs
@@ -44,7 +44,7 @@ class DukeOozFilter : DukeActor
 				DukeStatIterator it;
 				for(let act2 = it.first(STAT_STANDABLE); act2; act2 = it.Next())
 				{
-					if (self.hitag == act2.hitag && act2.actorflag2(SFLAG2_BRIGHTEXPLODE))
+					if (self.hitag == act2.hitag && act2.bBRIGHTEXPLODE)
 						act2.shade = -32;
 				}
 			}
diff --git a/wadsrc/static/zscript/games/duke/actors/paper.zs b/wadsrc/static/zscript/games/duke/actors/paper.zs
index 4280998f2..6e622a711 100644
--- a/wadsrc/static/zscript/games/duke/actors/paper.zs
+++ b/wadsrc/static/zscript/games/duke/actors/paper.zs
@@ -64,7 +64,7 @@ class DukeMoney : DukeActor
 			DukeStatIterator it;
 			for (let aa = it.First(STAT_MISC); aa; aa = it.Next())
 			{
-				if (aa.actorflag3(SFLAG3_BLOODY))
+				if (aa.bBLOODY)
 				{
 					double dist = (aa.pos.XY - self.pos.XY).Length();
 					if (dist < 348/16.)
diff --git a/wadsrc/static/zscript/games/duke/actors/projectiles.zs b/wadsrc/static/zscript/games/duke/actors/projectiles.zs
index e516270f6..8cf290ba1 100644
--- a/wadsrc/static/zscript/games/duke/actors/projectiles.zs
+++ b/wadsrc/static/zscript/games/duke/actors/projectiles.zs
@@ -90,7 +90,7 @@ class DukeProjectile : DukeActor
 
 	virtual bool weaponhitwall(walltype wal)
 	{
-		if (self.actorflag2(SFLAG2_MIRRORREFLECT) && dlevel.isMirror(wal))
+		if (self.bMIRRORREFLECT && dlevel.isMirror(wal))
 		{
 			let k = wal.delta().Angle();
 			self.angle = k * 2 - self.angle;
@@ -103,7 +103,7 @@ class DukeProjectile : DukeActor
 			self.SetPosition(oldpos);
 			dlevel.checkhitwall(wal, self, self.pos);
 
-			if (self.actorflag2(SFLAG2_REFLECTIVE))
+			if (self.bREFLECTIVE)
 			{
 				if (!dlevel.isMirror(wal))
 				{
@@ -149,7 +149,7 @@ class DukeProjectile : DukeActor
 
 		int p = -1;
 
-		if (self.actorflag2(SFLAG2_UNDERWATERSLOWDOWN) && self.sector.lotag == ST_2_UNDERWATER)
+		if (self.bUNDERWATERSLOWDOWN && self.sector.lotag == ST_2_UNDERWATER)
 		{
 			vel *= 0.5;
 			velz *= 0.5;
@@ -348,7 +348,7 @@ class DukeRPG : DukeProjectile
 	
 	override bool premoveeffect()
 	{
-		if ((!self.ownerActor || !self.ownerActor.actorflag2(SFLAG2_NONSMOKYROCKET)) && self.scale.X >= 0.15625 && self.sector.lotag != ST_2_UNDERWATER)
+		if ((!self.ownerActor || !self.ownerActor.bNONSMOKYROCKET) && self.scale.X >= 0.15625 && self.sector.lotag != ST_2_UNDERWATER)
 		{
 			let spawned = self.spawn("DukeSmallSmoke");
 			if (spawned) spawned.pos.Z += 1;
@@ -794,7 +794,7 @@ class RedneckDynamiteArrow : DukeRPG
 	
 	override bool weaponhitsprite_pre(DukeActor targ)
 	{
-		if (targ.actorflag2(SFLAG2_TRANSFERPALTOJIBS) && targ.pal == 19)
+		if (targ.bTRANSFERPALTOJIBS && targ.pal == 19)
 		{
 			self.PlayActorSound("RPG_EXPLODE");
 			let spawned = self.spawn("DukeExplosion2");
@@ -966,7 +966,7 @@ class RedneckShitBall : DukeSpit
 	}
 	override bool weaponhitplayer(DukeActor targ)
 	{
-		if (ownerActor && ownerActor.actorflag2(SFLAG2_SPAWNRABBITGUTS))
+		if (ownerActor && ownerActor.bSPAWNRABBITGUTS)
 			rabbitguts();
 
 		return Super.weaponhitplayer(targ);
@@ -975,7 +975,7 @@ class RedneckShitBall : DukeSpit
 	override bool weaponhitwall(walltype wal)
 	{
 		self.SetPosition(oldpos);
-		if (ownerActor && ownerActor.actorflag2(SFLAG2_SPAWNRABBITGUTS))
+		if (ownerActor && ownerActor.bSPAWNRABBITGUTS)
 			rabbitguts();
 		
 		return super.weaponhitwall(wal);
@@ -984,7 +984,7 @@ class RedneckShitBall : DukeSpit
 	override bool weaponhitsector()
 	{
 		self.setPosition(oldpos);
-		if (ownerActor && ownerActor.actorflag2(SFLAG2_SPAWNRABBITGUTS))
+		if (ownerActor && ownerActor.bSPAWNRABBITGUTS)
 			rabbitguts();
 
 		return super.weaponhitsector();
@@ -996,7 +996,7 @@ class RedneckShitBall : DukeSpit
 		if (self.ownerActor)
 		{
 			let OwnerAc = self.ownerActor;
-			if (OwnerAc.actorflag2(SFLAG2_TRANSFERPALTOJIBS))
+			if (OwnerAc.bTRANSFERPALTOJIBS)
 			{
 				if (OwnerAc.pal == 8)
 				{
@@ -1008,7 +1008,7 @@ class RedneckShitBall : DukeSpit
 					tspr.shade = -127;
 				}
 			}
-			else if (OwnerAc.actorflag2(SFLAG2_SPAWNRABBITGUTS))
+			else if (OwnerAc.bSPAWNRABBITGUTS)
 			{
 				tspr.clipdist |= TSPR_ROTATE8FRAMES;
 				sprite = 14;
@@ -1043,7 +1043,7 @@ class RedneckSawBlade : DukeProjectile
 		{
 			self.pos += self.angle.ToVector() * 8;
 			let Owner = self.ownerActor;
-			if (!Owner || !(Owner.actorflag2(SFLAG2_ALTPROJECTILESPRITE))) // depends on the shooter. Urgh...
+			if (!Owner || !(Owner.bALTPROJECTILESPRITE)) // depends on the shooter. Urgh...
 			{
 				let j = self.spawn("RedneckCircleStuck");
 				if (j)
@@ -1071,7 +1071,7 @@ class RedneckSawBlade : DukeProjectile
 	override bool animate(tspritetype tspr)
 	{
 		int frame;
-		if (!OwnerActor || !(OwnerActor.actorflag2(SFLAG2_ALTPROJECTILESPRITE))) frame = ((PlayClock >> 4) & 7);
+		if (!OwnerActor || !(OwnerActor.bALTPROJECTILESPRITE)) frame = ((PlayClock >> 4) & 7);
 		else frame = 8 + ((PlayClock >> 4) & 3);
 		tspr.SetSpritePic(self, frame);
 		return true;
diff --git a/wadsrc/static/zscript/games/duke/actors/viewscreen.zs b/wadsrc/static/zscript/games/duke/actors/viewscreen.zs
index 5823f86fe..f351a0b33 100644
--- a/wadsrc/static/zscript/games/duke/actors/viewscreen.zs
+++ b/wadsrc/static/zscript/games/duke/actors/viewscreen.zs
@@ -39,7 +39,7 @@ class DukeViewscreen : DukeActor
 		DukeStatIterator it;
 		for(let acti = it.First(STAT_ACTOR); acti; acti = it.Next())
 		{
-			if (acti.actorflag2(SFLAG2_CAMERA) && acti.yint == 0 && self.hitag == acti.lotag)
+			if (acti.bCAMERA && acti.yint == 0 && self.hitag == acti.lotag)
 			{
 				acti.yint = 1; //Using this camera
 				if (user == Duke.GetViewPlayer()) Duke.PlaySound("MONITOR_ACTIVE");
diff --git a/wadsrc/static/zscript/games/duke/dukeactor.zs b/wadsrc/static/zscript/games/duke/dukeactor.zs
index 78ee4728f..0486029f0 100644
--- a/wadsrc/static/zscript/games/duke/dukeactor.zs
+++ b/wadsrc/static/zscript/games/duke/dukeactor.zs
@@ -232,11 +232,6 @@ class DukeActor : CoreActor native
 	native void subkill();
 	
 
-	// temporary flag accessors - need to be eliminated once we can have true actor flags
-	native int actorflag1(int mask);
-	native int actorflag2(int mask);
-	native int actorflag3(int mask);
-	
 	
 	
 	virtual void Initialize()