void InitRenderChain()
{
renderChain = CreateRenderChain();
if (attachedPanel.visualTree != null)
{
renderChain.UIEOnChildAdded(null, attachedPanel.visualTree, 0);
}
OnPanelStandardShaderChanged();
if (panel.contextType == ContextType.Player)
{
OnPanelStandardWorldSpaceShaderChanged();
}
}
void OnPanelChanged(BaseVisualElementPanel obj)
{
DisposeRenderChain();
if (panel != null)
{
renderChain = CreateRenderChain();
if (panel.visualTree != null)
{
renderChain.UIEOnChildAdded(panel.visualTree.hierarchy.parent, panel.visualTree,
panel.visualTree.hierarchy.parent == null ? 0 : panel.visualTree.hierarchy.parent.IndexOf(panel.visualTree));
renderChain.UIEOnVisualsChanged(panel.visualTree, true);
}
panel.standardShaderChanged += OnPanelStandardShaderChanged;
panel.hierarchyChanged += OnPanelHierarchyChanged;
}
}
void OnPanelHierarchyChanged(VisualElement ve, HierarchyChangeType changeType)
{
if (renderChain == null)
{
return;
}
switch (changeType)
{
case HierarchyChangeType.Add:
renderChain.UIEOnChildAdded(ve.hierarchy.parent, ve, ve.hierarchy.parent != null ? ve.hierarchy.parent.IndexOf(ve) : 0);
break;
case HierarchyChangeType.Remove:
renderChain.UIEOnChildRemoving(ve);
break;
case HierarchyChangeType.Move:
renderChain.UIEOnChildrenReordered(ve);
break;
}
}