private void SwitchToState(States state)
{
_errorProvider.DoWith(() =>
{
DeactivateCurrent();
_currentState = _stateProvider(state);
_currentState.Activate(_currentUser, _currentItem);
RaiseStateChanged();
});
}
public void Start()
{
//Clean up
activeStates.Clear();
//Set up
activeStates.AddLast(startState);
startState.Activate();
//invoke the OnStart event which allows the user to add more functionality to the Start method
Starting?.Invoke(this, EventArgs.Empty);
}
public void ChangeState(Squad squad, IState newState, bool rememberPrevious)
{
if (rememberPrevious)
{
previousState = currentState;
}
currentState?.Deactivate(squad);
if (newState != null)
{
currentState = newState;
}
currentState?.Activate(squad);
}
private void StartState(string stateName)
{
//deactivate the currently active state
if (_activeState != null && _activeState.IsActive)
{
_activeState.Deactivate();
}
_previousState = _activeState;
//try activate desired one
try
{
_activeState = _states[stateName];
_activeState.Activate();
}
catch (Exception e)
{
Debug.LogException(e);
}
}
/// <summary>
/// 激活使用，此时排除其他对象对该实例的使用
/// </summary>
public virtual void Activate()
{
state.Activate(this);
}
public void Activate(IAccountIdentity account)
{
state.Activate(this, account);
}
/// <summary>
/// Активирует состояние, принуждая к деактивации допустимые конфликтующие с ним.
/// </summary>
/// <param name="state"> Состояние. </param>
public void ActivateState(IState state)
{
if (!current.Contains(state))
return;
if (!current.Contains(state))
return;
if (state.IsActivated())
return;
if (state.IsCanActivate(this))
{
ForceConflictResolvingFor(state);
state.Activate(this);
}
}
public void SetState(IState state)
{
_currentState?.Deactivate();
_currentState = state;
_currentState?.Activate();
}