Summary

A system that aims to wrap the main reusable functionality of an undo system

Constructors

UndoSystem

Fields

OnRedo	Called when a redo is run
OnUndo	Called when an undo is run

Properties

Back	Backwards stack
Forward	Forwards stack, gets cleared when a new undo is added

Methods

Initialize	Clear the history and take an initial snapshot. You should call this right after a load, or a new project.
Insert	Insert a new undo entry
Redo	Instigate a redo, returns true if we found a successful undo
SetSnapshotFunctionobsolete
Snapshotobsolete	Should be called after you make a change to your project. The snapshot system is good for self contained projects that can be serialized and deserialized quickly.
Undo	Instigate an undo. Return true if we found a successful undo