Factorize depth to interface

libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/PlaceObject2Tag.java

@@ -331,6 +331,11 @@ public class PlaceObject2Tag extends PlaceObjectTypeTag implements ASMSourceCont
         return depth;
     }
 
+    @Override
+    public void setDepth(int depth) {
+        this.depth = depth;
+    }
+
     @Override
     public MATRIX getMatrix() {
         if (placeFlagHasMatrix) {

libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/PlaceObject3Tag.java

@@ -518,6 +518,11 @@ public class PlaceObject3Tag extends PlaceObjectTypeTag implements ASMSourceCont
         return depth;
     }
 
+    @Override
+    public void setDepth(int depth) {
+        this.depth = depth;
+    }
+
     @Override
     public MATRIX getMatrix() {
         if (placeFlagHasMatrix) {

libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/PlaceObject4Tag.java

@@ -539,6 +539,11 @@ public class PlaceObject4Tag extends PlaceObjectTypeTag implements ASMSourceCont
         return depth;
     }
 
+    @Override
+    public void setDepth(int depth) {
+        this.depth = depth;
+    }
+
     @Override
     public MATRIX getMatrix() {
         if (placeFlagHasMatrix) {

libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/PlaceObjectTag.java

@@ -173,6 +173,11 @@ public class PlaceObjectTag extends PlaceObjectTypeTag {
         return depth;
     }
 
+    @Override
+    public void setDepth(int depth) {
+        this.depth = depth;
+    }
+
     @Override
     public MATRIX getMatrix() {
         return matrix;

libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/RemoveObject2Tag.java

@@ -81,4 +81,9 @@ public class RemoveObject2Tag extends RemoveTag {
     public int getDepth() {
         return depth;
     }
+
+    @Override
+    public void setDepth(int depth) {
+        this.depth = depth;
+    }
 }

libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/RemoveObjectTag.java

@@ -97,6 +97,11 @@ public class RemoveObjectTag extends RemoveTag implements CharacterIdTag {
         return depth;
     }
 
+    @Override
+    public void setDepth(int depth) {
+        this.depth = depth;
+    }
+
     @Override
     public int getCharacterId() {
         return characterId;

libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/base/DepthTag.java

@@ -0,0 +1,27 @@
+/*
+ *  Copyright (C) 2010-2023 JPEXS, All rights reserved.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3.0 of the License, or (at your option) any later version.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.
+ */
+package com.jpexs.decompiler.flash.tags.base;
+
+/**
+ *
+ * @author JPEXS
+ */
+public interface DepthTag {
+    public int getDepth();
+    
+    public void setDepth(int depth);
+}

libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/base/PlaceObjectTypeTag.java

@@ -34,7 +34,7 @@ import java.util.Objects;
  *
  * @author JPEXS
  */
-public abstract class PlaceObjectTypeTag extends Tag implements CharacterIdTag {
+public abstract class PlaceObjectTypeTag extends Tag implements CharacterIdTag, DepthTag {
 
     public PlaceObjectTypeTag(SWF swf, int id, String name, ByteArrayRange data) {
         super(swf, id, name, data);
@@ -42,8 +42,6 @@ public abstract class PlaceObjectTypeTag extends Tag implements CharacterIdTag {
 
     public abstract int getPlaceObjectNum();
 
-    public abstract int getDepth();
-
     public abstract MATRIX getMatrix();
 
     public abstract void setMatrix(MATRIX matrix);

libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/base/RemoveTag.java

@@ -24,14 +24,12 @@ import com.jpexs.helpers.ByteArrayRange;
  *
  * @author JPEXS
  */
-public abstract class RemoveTag extends Tag {
+public abstract class RemoveTag extends Tag implements DepthTag {
 
     public RemoveTag(SWF swf, int id, String name, ByteArrayRange data) {
         super(swf, id, name, data);
     }
 
-    public abstract int getDepth();
-
     @Override
     public String getName() {
         String result = super.getName();