diff --git a/zscript/biorifle.zsc b/zscript/biorifle.zsc
index c5d4980..882e7ea 100644
--- a/zscript/biorifle.zsc
+++ b/zscript/biorifle.zsc
@@ -400,10 +400,10 @@ Class BioGel : Actor
 		else if ( BlockingFloor )
 		{
 			// find closest 3d floor for its normal
-			for ( int i=0; i<CurSector.extended.ffloors.Size(); i++ )
+			for ( int i=0; i<CurSector.Get3DFloorCount(); i++ )
 			{
-				if ( !(CurSector.extended.ffloors[i].top.ZAtPoint(pos.xy) ~== floorz) ) continue;
-				ff = CurSector.extended.ffloors[i];
+				if ( !(CurSector.Get3DFloor(i).top.ZAtPoint(pos.xy) ~== floorz) ) continue;
+				ff = CurSector.Get3DFLoor(i);
 				break;
 			}
 			if ( ff ) normal = -ff.top.Normal;
@@ -420,10 +420,10 @@ Class BioGel : Actor
 		else if ( BlockingCeiling )
 		{
 			// find closest 3d floor for its normal
-			for ( int i=0; i<CurSector.extended.ffloors.Size(); i++ )
+			for ( int i=0; i<CurSector.Get3DFloorCount(); i++ )
 			{
-				if ( !(CurSector.extended.ffloors[i].bottom.ZAtPoint(pos.xy) ~== ceilingz) ) continue;
-				ff = CurSector.extended.ffloors[i];
+				if ( !(CurSector.Get3DFloor(i).bottom.ZAtPoint(pos.xy) ~== ceilingz) ) continue;
+				ff = CurSector.Get3DFloor(i);
 				break;
 			}
 			if ( ff ) normal = -ff.bottom.Normal;
diff --git a/zscript/flakcannon.zsc b/zscript/flakcannon.zsc
index 3cdf761..242b89d 100644
--- a/zscript/flakcannon.zsc
+++ b/zscript/flakcannon.zsc
@@ -241,10 +241,10 @@ Class FlakChunk : Actor
 		if ( BlockingFloor )
 		{
 			// find closest 3d floor for its normal
-			for ( int i=0; i<CurSector.extended.ffloors.Size(); i++ )
+			for ( int i=0; i<CurSector.Get3DFloorCount(); i++ )
 			{
-				if ( !(CurSector.extended.ffloors[i].top.ZAtPoint(pos.xy) ~== floorz) ) continue;
-				ff = CurSector.extended.ffloors[i];
+				if ( !(CurSector.Get3DFloor(i).top.ZAtPoint(pos.xy) ~== floorz) ) continue;
+				ff = CurSector.Get3DFloor(i);
 				break;
 			}
 			if ( ff ) HitNormal = -ff.top.Normal;
@@ -253,10 +253,10 @@ Class FlakChunk : Actor
 		else if ( BlockingCeiling )
 		{
 			// find closest 3d floor for its normal
-			for ( int i=0; i<CurSector.extended.ffloors.Size(); i++ )
+			for ( int i=0; i<CurSector.Get3DFloorCount(); i++ )
 			{
-				if ( !(CurSector.extended.ffloors[i].bottom.ZAtPoint(pos.xy) ~== ceilingz) ) continue;
-				ff = CurSector.extended.ffloors[i];
+				if ( !(CurSector.Get3DFloor(i).bottom.ZAtPoint(pos.xy) ~== ceilingz) ) continue;
+				ff = CurSector.Get3DFloor(i);
 				break;
 			}
 			if ( ff ) HitNormal = -ff.bottom.Normal;