Internal States and their changes

Here is a simple flow chart:

stateDiagram-v2
    DEFAULT --> WAITINGROOM;
    WAITINGROOM --> LOADINGSCENARIO : Scenario Button Press
    LOADINGSCENARIO --> LOADINGVISUALS
    LOADINGVISUALS --> READY
    READY --> DRIVE : LEFT_SHIFT+D
    DRIVE --> QUESTIONS : Location Trigger
    QUESTIONS --> POSTQUESTIONS : All Qs answered..
    POSTQUESTIONS --> WAITINGROOM
    LOADINGVISUALS --> WAITINGROOM : LEFT_SHIFT+W
    READY  --> WAITINGROOM : LEFT_SHIFT+W
    DRIVE  --> WAITINGROOM : LEFT_SHIFT+W
    DRIVE  --> QUESTIONS : LEFT_SHIFT+Q;
    QUESTIONS  --> WAITINGROOM : LEFT_SHIFT+W
    DEFAULT --> RERUN

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