[Test] public void CommitChangesPropagation()
{
// Create a linear transform hierarchy from root to leaf
GameObject rootObj = new GameObject("Root");
GameObject childObj = new GameObject("Child", rootObj);
GameObject child2Obj = new GameObject("Child2", childObj);
GameObject leafObj = new GameObject("Leaf", child2Obj);
Transform rootTransform = rootObj.AddComponent <Transform>();
Transform childTransform = childObj.AddComponent <Transform>();
Transform child2Transform = child2Obj.AddComponent <Transform>();
Transform leafTransform = leafObj.AddComponent <Transform>();
// Subscribe to change events in root and leaf
Transform.DirtyFlags rootChanges = Transform.DirtyFlags.None;
Transform.DirtyFlags leafChanges = Transform.DirtyFlags.None;
rootTransform.EventTransformChanged += (s, e) => { rootChanges |= e.Changes; };
leafTransform.EventTransformChanged += (s, e) => { leafChanges |= e.Changes; };
// Change the leaf and make sure all changes are committed
leafTransform.MoveBy(new Vector2(1.0f, 0.0f));
leafTransform.CommitChanges();
rootTransform.CommitChanges();
// Expect a change event only on the leaf object
Assert.AreEqual(Transform.DirtyFlags.None, rootChanges, "Root changes after leaf movement");
Assert.AreEqual(Transform.DirtyFlags.Pos, leafChanges, "Leaf changes after leaf movement");
rootChanges = Transform.DirtyFlags.None;
leafChanges = Transform.DirtyFlags.None;
// Change the root and make sure all changes are committed
rootTransform.MoveBy(new Vector2(1.0f, 0.0f));
leafTransform.CommitChanges();
rootTransform.CommitChanges();
// Expect a change event on both root and leaf objects
Assert.AreEqual(Transform.DirtyFlags.Pos, rootChanges, "Root changes after root movement");
Assert.AreEqual(Transform.DirtyFlags.Pos, leafChanges, "Leaf changes after root movement");
rootChanges = Transform.DirtyFlags.None;
leafChanges = Transform.DirtyFlags.None;
}
public TransformChangedEventArgs(Component transform, Transform.DirtyFlags dirtyFlags) : base(transform)
{
this.dirtyFlags = dirtyFlags;
}
