public override void OnRebuildRequested()
{
// After a Font asset gets re-imported the managed side gets deleted and recreated,
// that means the delegates are not persisted.
// so we need to properly enforce a consistent state here.
FontUpdateTrackerUI.UntrackText(this);
FontUpdateTrackerUI.TrackText(this);
// Also the textgenerator is no longer valid.
cachedTextGenerator.Invalidate();
base.OnRebuildRequested();
}
// The Text inspector editor can change the font, and we need a way to track changes so that we get the appropriate rebuild callbacks
// We can intercept changes in OnValidate, and keep track of the previous font reference
protected override void OnValidate()
{
if (!IsActive())
{
base.OnValidate();
return;
}
if (m_FontData.font != m_LastTrackedFont)
{
Font newFont = m_FontData.font;
m_FontData.font = m_LastTrackedFont;
FontUpdateTrackerUI.UntrackText(this);
m_FontData.font = newFont;
FontUpdateTrackerUI.TrackText(this);
m_LastTrackedFont = newFont;
}
base.OnValidate();
}
protected override void OnDisable()
{
FontUpdateTrackerUI.UntrackText(this);
base.OnDisable();
}
protected override void OnEnable()
{
base.OnEnable();
cachedTextGenerator.Invalidate();
FontUpdateTrackerUI.TrackText(this);
}