public StateMachine(BaseGameEntity owner)
{
m_pOwner = owner;
m_pCurrentState = null;
m_pPreviousState = null;
m_pGlobalState = null;
}
//change to a new state
public void ChangeState(State pNewState)
{
Debug.Assert(pNewState != null, "<StateMachine::ChangeState>:trying to assign null state to current");
//keep a record of the previous state
m_pPreviousState = m_pCurrentState;
//call the exit method of the existing state
m_pCurrentState.Exit(m_pOwner);
//change state to the new state
m_pCurrentState = pNewState;
//call the entry method of the new state
m_pCurrentState.Enter(m_pOwner);
}
