potential window fix

docs/src/progress/renderertodo.md

@@ -2068,6 +2068,7 @@ Fix string carousels
 Fix sprint animation data
 Color uniform on meshes
 Fall and gravity tree fixes
+Potential window fix
 
 
 

src/main/java/electrosphere/renderer/ui/elements/Window.java

@@ -94,13 +94,24 @@ public class Window implements DrawableElement, ContainerElement, NavigableEleme
      * NOTE: It should always be set to the current size of the window (width, height)
      * NOTE: It is updated every time the applyYoga function is called
      */
-    long parentWindowYogaNode = -1;
+    long parentWindowYogaNode = Element.UNINITIALIZED_ID;
 
     /**
      * The frame decoration texture path
      */
     String frameDecoration = AssetDataStrings.UI_FRAME_TEXTURE_DEFAULT_1;
 
+    public int width = 1;
+    public int height = 1;
+    
+    public int absoluteX = 0;
+    public int absoluteY = 0;
+    
+    public boolean visible = false;
+
+    //the yoga node id
+    long yogaNode = Element.UNINITIALIZED_ID;
+
     /**
      * Constructor
      * @param showDecorations
@@ -376,14 +387,6 @@ public class Window implements DrawableElement, ContainerElement, NavigableEleme
         Yoga.YGNodeStyleSetMinHeightPercent(yogaNode, percent);
     }
 
-    public int width = 1;
-    public int height = 1;
-    
-    public int absoluteX = 0;
-    public int absoluteY = 0;
-    
-    public boolean visible = false;
-
     public int getWidth() {
         return width;
     }
@@ -432,9 +435,6 @@ public class Window implements DrawableElement, ContainerElement, NavigableEleme
         Yoga.YGNodeStyleSetMargin(this.yogaNode, Yoga.YGEdgeLeft, marginLeft);
     }
 
-    //the yoga node id
-    long yogaNode = -1;
-
     @Override
     public long getYogaNode() {
         return yogaNode;
@@ -634,6 +634,12 @@ public class Window implements DrawableElement, ContainerElement, NavigableEleme
         if(child.getParent() != null){
             throw new Error("Child has a parent!");
         }
+        if(parentWindowYogaNode == Element.UNINITIALIZED_ID){
+            throw new Error("parent id undefined! " + parentWindowYogaNode);
+        }
+        if(yogaNode == Element.UNINITIALIZED_ID){
+            throw new Error("window yoga id undefined! " + yogaNode);
+        }
         childList.add(child);
         child.setParent(this);
         if(child instanceof DrawableElement){

src/main/java/electrosphere/renderer/ui/elementtypes/Element.java

@@ -6,6 +6,11 @@ import electrosphere.renderer.ui.events.Event;
 
 public interface Element {
 
+    /**
+     * An uninitialized yoga node
+     */
+    public static final long UNINITIALIZED_ID = -1;
+
     /**
      * A yoga element that either hasn't been created or has already been destroyed
      */