v3.3.2: moved custom vault rooms into proper static class definitions

This prevents internal error spam when attempting to initialize these rooms when loading the vault tester area

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/VaultLevel.java

@@ -47,11 +47,7 @@ import java.util.ArrayList;
 
 public class VaultLevel extends CityLevel {
 
-	@Override
+	public static class VaultEntrance extends EntranceRoom {
-	protected ArrayList<Room> initRooms() {
-		ArrayList<Room> initRooms = new ArrayList<>();
-
-		initRooms.add(roomEntrance = new EntranceRoom(){
 		@Override
 		public int maxConnections(int direction) {
 			if (direction == LEFT || direction == TOP) return 0;
@@ -62,18 +58,16 @@ public class VaultLevel extends CityLevel {
 		public boolean canMerge(Level l, Room other, Point p, int mergeTerrain) {
 			return false;
 		}
-		});
+	}
 
-		for (int i = 0; i < 23; i++){
+	public static class VaultSegmentedRoom extends SegmentedRoom {
-			initRooms.add(new SegmentedRoom(){
 		@Override
 		public float[] sizeCatProbs() {
 			return new float[]{1, 0, 0};
 		}
-			});
 	}
 
-		initRooms.add(new RegionDecoLineRoom(){
+	public static class VaultRegionDecoLineRoom extends RegionDecoLineRoom{
 		@Override
 		public float[] sizeCatProbs() {
 			return new float[]{0, 0, 1};
@@ -89,11 +83,28 @@ public class VaultLevel extends CityLevel {
 			return 1;
 		}
 
+		@Override
+		public boolean canPlaceItem(Point p, Level l) {
+			return false;
+		}
+
 		@Override
 		public boolean canMerge(Level l, Room other, Point p, int mergeTerrain) {
 			return false;
 		}
-		});
+	}
+
+	@Override
+	protected ArrayList<Room> initRooms() {
+		ArrayList<Room> initRooms = new ArrayList<>();
+
+		initRooms.add(roomEntrance = new VaultEntrance());
+
+		for (int i = 0; i < 23; i++){
+			initRooms.add(new VaultSegmentedRoom());
+		}
+
+		initRooms.add(new VaultRegionDecoLineRoom());
 
 		return initRooms;
 	}