public void FlushAndPushGraphState(VFXGraph graph)
{
int lastCursorInStack = m_undoStack.Last().Key;
while (lastCursorInStack > m_lastGraphUndoCursor)
{
//An action has been performed which overwrite
m_undoStack.Remove(lastCursorInStack);
lastCursorInStack = m_undoStack.Last().Key;
}
m_undoStack.Add(m_graphUndoCursor.index, new SerializedState()
{
serializedGraph = graph.Backup()
});
}
public VFXGraphUndoStack(VFXGraph initialState)
{
m_graphUndoCursor = ScriptableObject.CreateInstance <VFXGraphUndoCursor>();
m_graphUndoCursor.hideFlags = HideFlags.HideAndDontSave;
m_undoStack = new SortedDictionary <int, SerializedState>();
m_graphUndoCursor.index = 0;
m_lastGraphUndoCursor = 0;
m_undoStack.Add(0, new SerializedState()
{
serializedGraph = initialState.Backup()
});
m_Graph = initialState;
}