// Update is called once per frame
void Update()
{
//call CurrentState function to read what the current state is
//if it is not set to anything, then set to the first value of the states Dictionary and have it enter that state.
if (CurrentState == null)
{
CurrentState = states.Values.First();
CurrentState.EnterState();
}
else
{
//check what's happening in the UpdateState and set its value to a new var nextState
var nextState = CurrentState.UpdateState();
//if nextState has a value(or state) and that value isn't the same as value as the current state.
if (nextState != null && nextState != CurrentState.GetType())
{
//then switch to this new nextState.
SwitchToState(nextState);
}
}
}
//Function to switch to the next state, with parameter holding value of that next state.
//tells current state to exit, then updates current state to the nextState in the states list
//and finally then enters this newly updated current state.
void SwitchToState(Type nextState)
{
CurrentState.ExitState();
CurrentState = states[nextState];
CurrentState.EnterState();
}