diff --git a/src/p_acs.cpp b/src/p_acs.cpp
index e7fff7d7a..34275da14 100644
--- a/src/p_acs.cpp
+++ b/src/p_acs.cpp
@@ -312,6 +312,7 @@ static void ReadArrayVars (PNGHandle *png, FWorldGlobalArray *vars, size_t count
 			{
 				SDWORD key, val;
 				key = arc.ReadCount();
+
 				val = arc.ReadCount();
 				vars[i].Insert (key, val);
 			}
@@ -2537,8 +2538,10 @@ enum
 	APROP_MasterTID     = 25,
 	APROP_TargetTID		= 26,
 	APROP_TracerTID		= 27,
-	APROP_WaterLevel	= 28
-};	
+	APROP_WaterLevel	= 28,
+	APROP_ScaleX        = 29,
+	APROP_ScaleY        = 30,
+};
 
 // These are needed for ACS's APROP_RenderStyle
 static const int LegacyRenderStyleIndices[] =
@@ -2718,6 +2721,14 @@ void DLevelScript::DoSetActorProperty (AActor *actor, int property, int value)
 		DoSetMaster (actor, other);
 		break;
 
+	case APROP_ScaleX:
+		actor->scaleX = value;
+		break;
+
+	case APROP_ScaleY:
+		actor->scaleY = value;
+		break;
+
 	default:
 		// do nothing.
 		break;
@@ -2780,6 +2791,9 @@ int DLevelScript::GetActorProperty (int tid, int property)
 	case APROP_TargetTID:	return (actor->target != NULL)? actor->target->tid : 0;
 	case APROP_TracerTID:	return (actor->tracer != NULL)? actor->tracer->tid : 0;
 	case APROP_WaterLevel:	return actor->waterlevel;
+	case APROP_ScaleX: 		return actor->scaleX;
+	case APROP_ScaleY: 		return actor->scaleY;
+
 	default:				return 0;
 	}
 }
diff --git a/src/thingdef/thingdef_codeptr.cpp b/src/thingdef/thingdef_codeptr.cpp
index 1ac84d38a..a40c49467 100644
--- a/src/thingdef/thingdef_codeptr.cpp
+++ b/src/thingdef/thingdef_codeptr.cpp
@@ -2020,6 +2020,23 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_FadeTo)
 	}
 }
 
+//===========================================================================
+//
+// A_Scale(float scalex, optional float scaley)
+//
+// Scales the actor's graphics. If scaley is 0, use scalex.
+//
+//===========================================================================
+DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_SetScale)
+{
+	ACTION_PARAM_START(2);
+	ACTION_PARAM_FIXED(scalex, 0);
+	ACTION_PARAM_FIXED(scaley, 1);
+
+	self->scaleX = scalex;
+	self->scaleY = scaley ? scaley : scalex;
+}
+
 //===========================================================================
 //
 // A_SpawnDebris
@@ -2632,6 +2649,7 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_JumpIfTargetInLOS)
 
 			if (an > (fov / 2) && an < (ANGLE_MAX - (fov / 2)))
 			{
+
 				return; // [KS] Outside of FOV - return
 			}
 
diff --git a/src/thingdef/thingdef_expression.cpp b/src/thingdef/thingdef_expression.cpp
index 9440a05b0..1315d70ee 100644
--- a/src/thingdef/thingdef_expression.cpp
+++ b/src/thingdef/thingdef_expression.cpp
@@ -77,6 +77,8 @@ DEFINE_MEMBER_VARIABLE(velz, AActor)
 DEFINE_MEMBER_VARIABLE_ALIAS(momx, velx, AActor)
 DEFINE_MEMBER_VARIABLE_ALIAS(momy, vely, AActor)
 DEFINE_MEMBER_VARIABLE_ALIAS(momz, velz, AActor)
+DEFINE_MEMBER_VARIABLE(scaleX, AActor)
+DEFINE_MEMBER_VARIABLE(scaleY, AActor)
 DEFINE_MEMBER_VARIABLE(Damage, AActor)
 DEFINE_MEMBER_VARIABLE(Score, AActor)
 
@@ -675,6 +677,7 @@ FxExpression *FxUnaryNotBoolean::Resolve(FCompileContext& ctx)
 {
 	CHECKRESOLVED();
 	if (Operand)
+
 	{
 		Operand = Operand->ResolveAsBoolean(ctx);
 	}
diff --git a/src/version.h b/src/version.h
index ee742c1c8..6a99a02ad 100644
--- a/src/version.h
+++ b/src/version.h
@@ -80,7 +80,7 @@
 #if SVN_REVISION_NUMBER < MINSAVEVER
 // If we don't know the current revision write something very high to ensure that
 // the reesulting executable can read its own savegames but no regular engine can.
-#define SAVEVER			9999
+#define SAVEVER			999999
 #define SAVESIG			MakeSaveSig()
 static inline const char *MakeSaveSig()
 {
diff --git a/wadsrc/static/actors/actor.txt b/wadsrc/static/actors/actor.txt
index fb0655524..f8dd3d863 100644
--- a/wadsrc/static/actors/actor.txt
+++ b/wadsrc/static/actors/actor.txt
@@ -47,6 +47,8 @@ ACTOR Actor native //: Thinker
 	native fixed_t momx;	// alias for velx
 	native fixed_t momy;	// alias for vely
 	native fixed_t momz;	// alias for velz
+	native fixed_t scaleX;
+	native fixed_t scaleY;
 	native int score;
 
 	// Meh, MBF redundant functions. Only for DeHackEd support.
@@ -204,6 +206,7 @@ ACTOR Actor native //: Thinker
 	action native A_FadeIn(float reduce = 0.1);
 	action native A_FadeOut(float reduce = 0.1, bool remove = true);
 	action native A_FadeTo(float target, float amount = 0.1, bool remove = false);
+	action native A_SetScale(float scalex, float scaley = 0);
 	action native A_SpawnDebris(class<Actor> spawntype, bool transfer_translation = false, float mult_h = 1, float mult_v = 1);
 	action native A_CheckSight(state label);
 	action native A_ExtChase(bool usemelee, bool usemissile, bool playactive = true, bool nightmarefast = false);