diff --git a/src/actor.h b/src/actor.h
index 9f6d00e029..d834468274 100644
--- a/src/actor.h
+++ b/src/actor.h
@@ -1318,6 +1318,14 @@ public:
 	{
 		return Prev + (ticFrac * (Pos() - Prev));
 	}
+	DRotator InterpolatedAngles(double ticFrac) const
+	{
+		DRotator result;
+		result.Yaw = PrevAngles.Yaw + deltaangle(PrevAngles.Yaw, Angles.Yaw) * ticFrac;
+		result.Pitch = PrevAngles.Pitch + deltaangle(PrevAngles.Pitch, Angles.Pitch) * ticFrac;
+		result.Roll = PrevAngles.Roll + deltaangle(PrevAngles.Roll, Angles.Roll) * ticFrac;
+		return result;
+	}
 	DVector3 PosPlusZ(double zadd) const
 	{
 		return { X(), Y(), Z() + zadd };
diff --git a/src/c_cmds.cpp b/src/c_cmds.cpp
index be4944b8c9..46ab072f21 100644
--- a/src/c_cmds.cpp
+++ b/src/c_cmds.cpp
@@ -404,9 +404,9 @@ CCMD (give)
 	Net_WriteByte (DEM_GIVECHEAT);
 	Net_WriteString (argv[1]);
 	if (argv.argc() > 2)
-		Net_WriteWord (clamp (atoi (argv[2]), 1, 32767));
+		Net_WriteLong(atoi(argv[2]));
 	else
-		Net_WriteWord (0);
+		Net_WriteLong(0);
 }
 
 CCMD (take)
@@ -417,9 +417,9 @@ CCMD (take)
 	Net_WriteByte (DEM_TAKECHEAT);
 	Net_WriteString (argv[1]);
 	if (argv.argc() > 2)
-		Net_WriteWord (clamp (atoi (argv[2]), 1, 32767));
+		Net_WriteLong(atoi (argv[2]));
 	else
-		Net_WriteWord (0);
+		Net_WriteLong (0);
 }
 
 CCMD (gameversion)
diff --git a/src/d_net.cpp b/src/d_net.cpp
index 6e1d4436ed..93f6a621b7 100644
--- a/src/d_net.cpp
+++ b/src/d_net.cpp
@@ -2198,12 +2198,12 @@ void Net_DoCommand (int type, BYTE **stream, int player)
 
 	case DEM_GIVECHEAT:
 		s = ReadString (stream);
-		cht_Give (&players[player], s, ReadWord (stream));
+		cht_Give (&players[player], s, ReadLong (stream));
 		break;
 
 	case DEM_TAKECHEAT:
 		s = ReadString (stream);
-		cht_Take (&players[player], s, ReadWord (stream));
+		cht_Take (&players[player], s, ReadLong (stream));
 		break;
 
 	case DEM_WARPCHEAT:
@@ -2721,7 +2721,7 @@ void Net_SkipCommand (int type, BYTE **stream)
 
 		case DEM_GIVECHEAT:
 		case DEM_TAKECHEAT:
-			skip = strlen ((char *)(*stream)) + 3;
+			skip = strlen ((char *)(*stream)) + 5;
 			break;
 
 		case DEM_SUMMON2:
diff --git a/src/dobjtype.cpp b/src/dobjtype.cpp
index 76330867e7..313ee7389c 100644
--- a/src/dobjtype.cpp
+++ b/src/dobjtype.cpp
@@ -3194,34 +3194,37 @@ void PClass::Derive(PClass *newclass, FName name)
 
 void PClass::InitializeDefaults()
 {
-	assert(Defaults == NULL);
-	Defaults = (BYTE *)M_Malloc(Size);
-
-	// run the constructor on the defaults to set the vtbl pointer which is needed to run class-aware functions on them.
-	// Temporarily setting bSerialOverride prevents linking into the thinker chains.
-	auto s = DThinker::bSerialOverride;
-	DThinker::bSerialOverride = true;
-	ConstructNative(Defaults);
-	DThinker::bSerialOverride = s;
-	// We must unlink the defaults from the class list because it's just a static block of data to the engine.
-	DObject *optr = (DObject*)Defaults;
-	GC::Root = optr->ObjNext;
-	optr->ObjNext = nullptr;
-	optr->SetClass(this);
-
-
-	// Copy the defaults from the parent but leave the DObject part alone because it contains important data.
-	if (ParentClass->Defaults != NULL)
+	if (IsKindOf(RUNTIME_CLASS(PClassActor)))
 	{
-		memcpy(Defaults + sizeof(DObject), ParentClass->Defaults + sizeof(DObject), ParentClass->Size - sizeof(DObject));
-		if (Size > ParentClass->Size)
+		assert(Defaults == NULL);
+		Defaults = (BYTE *)M_Malloc(Size);
+
+		// run the constructor on the defaults to set the vtbl pointer which is needed to run class-aware functions on them.
+		// Temporarily setting bSerialOverride prevents linking into the thinker chains.
+		auto s = DThinker::bSerialOverride;
+		DThinker::bSerialOverride = true;
+		ConstructNative(Defaults);
+		DThinker::bSerialOverride = s;
+		// We must unlink the defaults from the class list because it's just a static block of data to the engine.
+		DObject *optr = (DObject*)Defaults;
+		GC::Root = optr->ObjNext;
+		optr->ObjNext = nullptr;
+		optr->SetClass(this);
+
+
+		// Copy the defaults from the parent but leave the DObject part alone because it contains important data.
+		if (ParentClass->Defaults != NULL)
 		{
-			memset(Defaults + ParentClass->Size, 0, Size - ParentClass->Size);
+			memcpy(Defaults + sizeof(DObject), ParentClass->Defaults + sizeof(DObject), ParentClass->Size - sizeof(DObject));
+			if (Size > ParentClass->Size)
+			{
+				memset(Defaults + ParentClass->Size, 0, Size - ParentClass->Size);
+			}
+		}
+		else
+		{
+			memset(Defaults + sizeof(DObject), 0, Size - sizeof(DObject));
 		}
-	}
-	else
-	{
-		memset(Defaults + sizeof(DObject), 0, Size - sizeof(DObject));
 	}
 
 	if (bRuntimeClass)
diff --git a/src/dthinker.cpp b/src/dthinker.cpp
index ac0abf3c57..7b63d2635a 100644
--- a/src/dthinker.cpp
+++ b/src/dthinker.cpp
@@ -710,8 +710,12 @@ class DThinkerIterator : public DObject, public FThinkerIterator
 {
 	DECLARE_CLASS(DThinkerIterator, DObject)
 
+	DThinkerIterator()
+	{
+	}
+
 public:
-	DThinkerIterator(PClass *cls = nullptr, int statnum = MAX_STATNUM + 1)
+	DThinkerIterator(PClass *cls, int statnum = MAX_STATNUM + 1)
 		: FThinkerIterator(cls, statnum)
 	{
 	}
diff --git a/src/dthinker.h b/src/dthinker.h
index fce3e4f7af..e0dcb607f8 100644
--- a/src/dthinker.h
+++ b/src/dthinker.h
@@ -125,6 +125,9 @@ public:
 	FThinkerIterator (const PClass *type, int statnum, DThinker *prev);
 	DThinker *Next (bool exact = false);
 	void Reinit ();
+
+protected:
+	FThinkerIterator() {}
 };
 
 template <class T> class TThinkerIterator : public FThinkerIterator
diff --git a/src/g_statusbar/sbarinfo.cpp b/src/g_statusbar/sbarinfo.cpp
index dadfc0a11f..d6e5f6dbf3 100644
--- a/src/g_statusbar/sbarinfo.cpp
+++ b/src/g_statusbar/sbarinfo.cpp
@@ -1597,7 +1597,7 @@ void DSBarInfoWrapper::OnDestroy()
 void DSBarInfoWrapper::SetScaled(bool scale, bool force)
 {
 	Super::SetScaled(scale, force);
-	core->_SetScaled(scale);
+	core->_SetScaled(Scaled);
 }
 
 void DSBarInfoWrapper::AttachToPlayer(player_t *player)
diff --git a/src/gl/dynlights/a_dynlight.cpp b/src/gl/dynlights/a_dynlight.cpp
index 4180f272f2..812ab7feca 100644
--- a/src/gl/dynlights/a_dynlight.cpp
+++ b/src/gl/dynlights/a_dynlight.cpp
@@ -208,7 +208,7 @@ void ADynamicLight::Activate(AActor *activator)
 		m_cycler.SetCycleType(CYCLE_Sin);
 		m_currentRadius = m_cycler.GetVal();
 	}
-	assert(m_currentRadius > 0);
+	if (m_currentRadius <= 0) m_currentRadius = 1;
 }
 
 
@@ -329,6 +329,7 @@ void ADynamicLight::Tick()
 		m_currentRadius = float(args[LIGHT_INTENSITY]);
 		break;
 	}
+	if (m_currentRadius <= 0) m_currentRadius = 1;
 	UpdateLocation();
 }
 
diff --git a/src/gl/dynlights/gl_dynlight.cpp b/src/gl/dynlights/gl_dynlight.cpp
index a2fb14ff64..c4bef20513 100644
--- a/src/gl/dynlights/gl_dynlight.cpp
+++ b/src/gl/dynlights/gl_dynlight.cpp
@@ -194,6 +194,7 @@ void FLightDefaults::ApplyProperties(ADynamicLight * light) const
 		light->m_cycler.ShouldCycle(true);
 		light->m_cycler.SetCycleType(CYCLE_Sin);
 		light->m_currentRadius = light->m_cycler.GetVal();
+		if (light->m_currentRadius <= 0) light->m_currentRadius = 1;
 	}
 
 	switch (m_attenuate)
@@ -369,7 +370,7 @@ void gl_ParsePointLight(FScanner &sc)
 				defaults->SetOffset(floatTriple);
 				break;
 			case LIGHTTAG_SIZE:
-				intVal = clamp<int>(gl_ParseInt(sc), 0, 255);
+				intVal = clamp<int>(gl_ParseInt(sc), 1, 1024);
 				defaults->SetArg(LIGHT_INTENSITY, intVal);
 				break;
 			case LIGHTTAG_SUBTRACTIVE:
@@ -446,11 +447,11 @@ void gl_ParsePulseLight(FScanner &sc)
 				defaults->SetOffset(floatTriple);
 				break;
 			case LIGHTTAG_SIZE:
-				intVal = clamp<int>(gl_ParseInt(sc), 0, 1024);
+				intVal = clamp<int>(gl_ParseInt(sc), 1, 1024);
 				defaults->SetArg(LIGHT_INTENSITY, intVal);
 				break;
 			case LIGHTTAG_SECSIZE:
-				intVal = clamp<int>(gl_ParseInt(sc), 0, 1024);
+				intVal = clamp<int>(gl_ParseInt(sc), 1, 1024);
 				defaults->SetArg(LIGHT_SECONDARY_INTENSITY, intVal);
 				break;
 			case LIGHTTAG_INTERVAL:
@@ -536,11 +537,11 @@ void gl_ParseFlickerLight(FScanner &sc)
 				defaults->SetOffset(floatTriple);
 				break;
 			case LIGHTTAG_SIZE:
-				intVal = clamp<int>(gl_ParseInt(sc), 0, 255);
+				intVal = clamp<int>(gl_ParseInt(sc), 1, 1024);
 				defaults->SetArg(LIGHT_INTENSITY, intVal);
 				break;
 			case LIGHTTAG_SECSIZE:
-				intVal = clamp<int>(gl_ParseInt(sc), 0, 255);
+				intVal = clamp<int>(gl_ParseInt(sc), 1, 1024);
 				defaults->SetArg(LIGHT_SECONDARY_INTENSITY, intVal);
 				break;
 			case LIGHTTAG_CHANCE:
@@ -618,11 +619,11 @@ void gl_ParseFlickerLight2(FScanner &sc)
 				defaults->SetOffset(floatTriple);
 				break;
 			case LIGHTTAG_SIZE:
-				intVal = clamp<int>(gl_ParseInt(sc), 0, 255);
+				intVal = clamp<int>(gl_ParseInt(sc), 1, 1024);
 				defaults->SetArg(LIGHT_INTENSITY, intVal);
 				break;
 			case LIGHTTAG_SECSIZE:
-				intVal = clamp<int>(gl_ParseInt(sc), 0, 255);
+				intVal = clamp<int>(gl_ParseInt(sc), 1, 1024);
 				defaults->SetArg(LIGHT_SECONDARY_INTENSITY, intVal);
 				break;
 			case LIGHTTAG_INTERVAL:
@@ -707,7 +708,7 @@ void gl_ParseSectorLight(FScanner &sc)
 				break;
 			case LIGHTTAG_SCALE:
 				floatVal = gl_ParseFloat(sc);
-				defaults->SetArg(LIGHT_SCALE, (BYTE)(floatVal * 255));
+				defaults->SetArg(LIGHT_SCALE, clamp((int)(floatVal * 255), 1, 1024));
 				break;
 			case LIGHTTAG_SUBTRACTIVE:
 				defaults->SetSubtractive(gl_ParseInt(sc) != 0);
diff --git a/src/gl/renderer/gl_lightdata.cpp b/src/gl/renderer/gl_lightdata.cpp
index b0dccbcba3..ae7f2a80dc 100644
--- a/src/gl/renderer/gl_lightdata.cpp
+++ b/src/gl/renderer/gl_lightdata.cpp
@@ -306,12 +306,12 @@ float gl_GetFogDensity(int lightlevel, PalEntry fogcolor, int sectorfogdensity)
 	}
 	else if (sectorfogdensity != 0)
 	{
-		// case 2: Sector has an explicit fog density set.
+		// case 1: Sector has an explicit fog density set.
 		density = sectorfogdensity;
 	}
 	else if ((fogcolor.d & 0xffffff) == 0)
 	{
-		// case 1: black fog
+		// case 2: black fog
 		if (glset.lightmode != 8)
 		{
 			density = distfogtable[glset.lightmode != 0][gl_ClampLight(lightlevel)];
diff --git a/src/gl/scene/gl_flats.cpp b/src/gl/scene/gl_flats.cpp
index 1ed0fecfab..cfafabb57e 100644
--- a/src/gl/scene/gl_flats.cpp
+++ b/src/gl/scene/gl_flats.cpp
@@ -379,7 +379,8 @@ void GLFlat::Draw(int pass, bool trans)	// trans only has meaning for GLPASS_LIG
 	case GLPASS_ALL:			// Same, but also creates the dynlight data.
 		gl_SetColor(lightlevel, rel, Colormap,1.0f);
 		gl_SetFog(lightlevel, rel, &Colormap, false);
-		gl_RenderState.SetObjectColor(FlatColor | 0xff000000);
+		if (!gltexture->tex->isFullbright())
+			gl_RenderState.SetObjectColor(FlatColor | 0xff000000);
 		if (sector->special != GLSector_Skybox)
 		{
 			gl_RenderState.SetMaterial(gltexture, CLAMP_NONE, 0, -1, false);
@@ -406,7 +407,8 @@ void GLFlat::Draw(int pass, bool trans)	// trans only has meaning for GLPASS_LIG
 		if (renderstyle==STYLE_Add) gl_RenderState.BlendFunc(GL_SRC_ALPHA, GL_ONE);
 		gl_SetColor(lightlevel, rel, Colormap, alpha);
 		gl_SetFog(lightlevel, rel, &Colormap, false);
-		gl_RenderState.SetObjectColor(FlatColor | 0xff000000);
+		if (!gltexture || !gltexture->tex->isFullbright())
+			gl_RenderState.SetObjectColor(FlatColor | 0xff000000);
 		if (!gltexture)
 		{
 			gl_RenderState.AlphaFunc(GL_GEQUAL, 0.f);
diff --git a/src/gl/scene/gl_sprite.cpp b/src/gl/scene/gl_sprite.cpp
index 1a69ca8acb..4f5e1a4c3f 100644
--- a/src/gl/scene/gl_sprite.cpp
+++ b/src/gl/scene/gl_sprite.cpp
@@ -119,11 +119,11 @@ void GLSprite::CalculateVertices(FVector3 *v)
 		// Tilt the actor up or down based on pitch (increase 'somersaults' forward).
 		// Then counteract the roll and DO A BARREL ROLL.
 
-		FAngle pitch = (float)-actor->Angles.Pitch.Degrees;
+		FAngle pitch = (float)-Angles.Pitch.Degrees;
 		pitch.Normalized180();
 
 		mat.Translate(x, z, y);
-		mat.Rotate(0, 1, 0, 270. - actor->Angles.Yaw.Degrees);
+		mat.Rotate(0, 1, 0, 270. - Angles.Yaw.Degrees);
 		mat.Rotate(1, 0, 0, pitch.Degrees);
 
 		if (actor->renderflags & RF_ROLLCENTER)
@@ -132,12 +132,12 @@ void GLSprite::CalculateVertices(FVector3 *v)
 			float cy = (y1 + y2) * 0.5;
 
 			mat.Translate(cx - x, 0, cy - y);
-			mat.Rotate(0, 1, 0, - actor->Angles.Roll.Degrees);
+			mat.Rotate(0, 1, 0, - Angles.Roll.Degrees);
 			mat.Translate(-cx, -z, -cy);
 		}
 		else
 		{
-			mat.Rotate(0, 1, 0, - actor->Angles.Roll.Degrees);
+			mat.Rotate(0, 1, 0, - Angles.Roll.Degrees);
 			mat.Translate(-x, -z, -y);
 		}
 		v[0] = mat * FVector3(x2, z, y2);
@@ -199,11 +199,11 @@ void GLSprite::CalculateVertices(FVector3 *v)
 		// [fgsfds] calculate yaw vectors
 		float yawvecX = 0, yawvecY = 0, rollDegrees = 0;
 		float angleRad = (270. - GLRenderer->mAngles.Yaw).Radians();
-		if (actor)	rollDegrees = actor->Angles.Roll.Degrees;
+		if (actor)	rollDegrees = Angles.Roll.Degrees;
 		if (isFlatSprite)
 		{
-			yawvecX = actor->Angles.Yaw.Cos();
-			yawvecY = actor->Angles.Yaw.Sin();
+			yawvecX = Angles.Yaw.Cos();
+			yawvecY = Angles.Yaw.Sin();
 		}
 
 		// [fgsfds] Rotate the sprite about the sight vector (roll) 
@@ -326,12 +326,16 @@ void GLSprite::Draw(int pass)
 		{
 			gl_SetDynSpriteLight(gl_light_sprites ? actor : NULL, gl_light_particles ? particle : NULL);
 		}
-		PalEntry finalcol(ThingColor.a,
-			ThingColor.r * actor->Sector->SpecialColors[sector_t::sprites].r / 255,
-			ThingColor.g * actor->Sector->SpecialColors[sector_t::sprites].g / 255,
-			ThingColor.b * actor->Sector->SpecialColors[sector_t::sprites].b / 255);
+		sector_t *cursec = actor ? actor->Sector : particle ? particle->subsector->sector : nullptr;
+		if (cursec != nullptr)
+		{
+			PalEntry finalcol(ThingColor.a,
+				ThingColor.r * cursec->SpecialColors[sector_t::sprites].r / 255,
+				ThingColor.g * cursec->SpecialColors[sector_t::sprites].g / 255,
+				ThingColor.b * cursec->SpecialColors[sector_t::sprites].b / 255);
 
-		gl_RenderState.SetObjectColor(finalcol);
+			gl_RenderState.SetObjectColor(finalcol);
+		}
 		gl_SetColor(lightlevel, rel, Colormap, trans);
 	}
 
@@ -712,10 +716,6 @@ void GLSprite::Process(AActor* thing, sector_t * sector, int thruportal)
 			}
 		}
 	}
-	if (thing == camera)
-	{
-		int a = 0;
-	}
 
 	// don't draw first frame of a player missile
 	if (thing->flags&MF_MISSILE)
@@ -737,6 +737,7 @@ void GLSprite::Process(AActor* thing, sector_t * sector, int thruportal)
 		int clipres = GLRenderer->mClipPortal->ClipPoint(thingpos);
 		if (clipres == GLPortal::PClip_InFront) return;
 	}
+	Angles = thing->InterpolatedAngles(r_TicFracF);
 
 	player_t *player = &players[consoleplayer];
 	FloatRect r;
@@ -783,7 +784,7 @@ void GLSprite::Process(AActor* thing, sector_t * sector, int thruportal)
 		}
 		else if (!(thing->renderflags & RF_FLATSPRITE))
 		{
-			patch = gl_GetSpriteFrame(spritenum, thing->frame, -1, (ang - (thing->Angles.Yaw + thing->SpriteRotation)).BAMs(), &mirror);
+			patch = gl_GetSpriteFrame(spritenum, thing->frame, -1, (ang - (Angles.Yaw + thing->SpriteRotation)).BAMs(), &mirror);
 		}
 		else
 		{
@@ -854,8 +855,8 @@ void GLSprite::Process(AActor* thing, sector_t * sector, int thruportal)
 		}
 		break;
 		case RF_WALLSPRITE:
-			viewvecX = thing->Angles.Yaw.Cos();
-			viewvecY = thing->Angles.Yaw.Sin();
+			viewvecX = Angles.Yaw.Cos();
+			viewvecY = Angles.Yaw.Sin();
 
 			x1 = x + viewvecY*leftfac;
 			x2 = x + viewvecY*rightfac;
diff --git a/src/gl/scene/gl_wall.h b/src/gl/scene/gl_wall.h
index 151a5ef712..7206c86c54 100644
--- a/src/gl/scene/gl_wall.h
+++ b/src/gl/scene/gl_wall.h
@@ -376,6 +376,7 @@ public:
 	AActor * actor;
 	particle_t * particle;
 	TArray<lightlist_t> *lightlist;
+	DRotator Angles;
 
 	void SplitSprite(sector_t * frontsector, bool translucent);
 	void SetLowerParam();
diff --git a/src/p_maputl.cpp b/src/p_maputl.cpp
index ea2434b255..5771461bb1 100644
--- a/src/p_maputl.cpp
+++ b/src/p_maputl.cpp
@@ -1177,6 +1177,11 @@ class DBlockThingsIterator : public DObject, public FMultiBlockThingsIterator
 {
 	DECLARE_CLASS(DBlockThingsIterator, DObject);
 	FPortalGroupArray check;
+protected:
+	DBlockThingsIterator()
+		:FMultiBlockThingsIterator(check)
+	{
+	}
 public:
 	FMultiBlockThingsIterator::CheckResult cres;
 
@@ -1186,7 +1191,7 @@ public:
 		return FMultiBlockThingsIterator::Next(&cres);
 	}
 
-	DBlockThingsIterator(AActor *origin = nullptr, double checkradius = -1, bool ignorerestricted = false)
+	DBlockThingsIterator(AActor *origin, double checkradius = -1, bool ignorerestricted = false)
 		: FMultiBlockThingsIterator(check, origin, checkradius, ignorerestricted)
 	{
 		cres.thing = nullptr;
diff --git a/src/p_maputl.h b/src/p_maputl.h
index 81d3c9d133..5e869c4e6c 100644
--- a/src/p_maputl.h
+++ b/src/p_maputl.h
@@ -327,6 +327,8 @@ class FMultiBlockThingsIterator
 
 	void startIteratorForGroup(int group);
 
+protected:
+	FMultiBlockThingsIterator(FPortalGroupArray &check) : checklist(check) {}
 public:
 
 	struct CheckResult
diff --git a/src/p_mobj.cpp b/src/p_mobj.cpp
index bd31af4a19..df62232423 100644
--- a/src/p_mobj.cpp
+++ b/src/p_mobj.cpp
@@ -4602,8 +4602,10 @@ bool AActor::UpdateWaterLevel (bool dosplash)
 			for(auto rover : Sector->e->XFloor.ffloors)
 			{
 				if (!(rover->flags & FF_EXISTS)) continue;
-				if(!(rover->flags & FF_SWIMMABLE) || rover->flags & FF_SOLID) continue;
+				if (rover->flags & FF_SOLID) continue;
 
+				reset = !(rover->flags & FF_SWIMMABLE);
+				if (reset && rover->alpha == 0) continue;
 				double ff_bottom=rover->bottom.plane->ZatPoint(this);
 				double ff_top=rover->top.plane->ZatPoint(this);
 
@@ -6251,7 +6253,7 @@ bool P_HitWater (AActor * thing, sector_t * sec, const DVector3 &pos, bool check
 			double planez = rover->top.plane->ZatPoint(pos);
 				if (pos.Z > planez - 0.5 && pos.Z < planez + 0.5)	// allow minor imprecisions
 			{
-				if (rover->flags & (FF_SOLID | FF_SWIMMABLE))
+				if ((rover->flags & (FF_SOLID | FF_SWIMMABLE)) || rover->alpha > 0)
 				{
 					terrainnum = rover->model->GetTerrain(rover->top.isceiling);
 					goto foundone;
diff --git a/src/p_udmf.cpp b/src/p_udmf.cpp
index 6c732d67fb..e6ab47c24d 100644
--- a/src/p_udmf.cpp
+++ b/src/p_udmf.cpp
@@ -1461,23 +1461,23 @@ public:
 					continue;
 
 				case NAME_Color_Floor:
-					sec->SpecialColors[sector_t::floor] = CheckInt(key) || 0xff000000;
+					sec->SpecialColors[sector_t::floor] = CheckInt(key) | 0xff000000;
 					break;
 
 				case NAME_Color_Ceiling:
-					sec->SpecialColors[sector_t::ceiling] = CheckInt(key) || 0xff000000;
+					sec->SpecialColors[sector_t::ceiling] = CheckInt(key) | 0xff000000;
 					break;
 
 				case NAME_Color_Walltop:
-					sec->SpecialColors[sector_t::walltop] = CheckInt(key) || 0xff000000;
+					sec->SpecialColors[sector_t::walltop] = CheckInt(key) | 0xff000000;
 					break;
 
 				case NAME_Color_Wallbottom:
-					sec->SpecialColors[sector_t::wallbottom] = CheckInt(key) || 0xff000000;
+					sec->SpecialColors[sector_t::wallbottom] = CheckInt(key) | 0xff000000;
 					break;
 
 				case NAME_Color_Sprites:
-					sec->SpecialColors[sector_t::sprites] = CheckInt(key) || 0xff000000;
+					sec->SpecialColors[sector_t::sprites] = CheckInt(key) | 0xff000000;
 					break;
 
 				case NAME_Desaturation:
diff --git a/src/scripting/zscript/zcc_compile.cpp b/src/scripting/zscript/zcc_compile.cpp
index 43f5b6774e..610e7554d0 100644
--- a/src/scripting/zscript/zcc_compile.cpp
+++ b/src/scripting/zscript/zcc_compile.cpp
@@ -1874,7 +1874,14 @@ void ZCCCompiler::InitDefaults()
 		if (!c->Type()->IsDescendantOf(RUNTIME_CLASS(AActor)))
 		{
 			if (c->Defaults.Size()) Error(c->cls, "%s: Non-actor classes may not have defaults", c->Type()->TypeName.GetChars());
-			if (c->Type()->ParentClass) c->Type()->ParentClass->DeriveData(c->Type());
+			if (c->Type()->ParentClass)
+			{
+				auto ti = static_cast<PClassActor *>(c->Type());
+				FString mename = ti->TypeName.GetChars();
+
+				ti->InitializeDefaults();
+				ti->ParentClass->DeriveData(ti);
+			}
 		}
 		else
 		{