/// <summary>
/// Attempts to add a new transition to the current list which is able to be transitioned to from any other state
/// </summary>
/// <param name="a_To">The state to transition to from any other state</param>
/// <param name="a_IsValidateTransition">An optional delegate with no parameters that returns true when the state change is valid and false when it is not</param>
/// <returns>Returns true if the transition was able to be added and false otherwise</returns>
public bool AddTransitionFromAny(T a_To, IsValidateTransition a_IsValidateTransition = null)
{
if (!m_States.Contains(a_To))
{
Debug.Warning("'" + a_To + "'does not exist in '" + typeof(T) + "'");
return(false);
}
if (!m_TransitionsFromAny.ContainsKey(a_To))
{
if (a_IsValidateTransition == null)
{
m_TransitionsFromAny[a_To] = () => true;
}
else
{
m_TransitionsFromAny[a_To] = a_IsValidateTransition;
}
return(true);
}
else
{
Debug.Warning("'" + a_To + "' already exists as a transition key");
return(false);
}
}
/// <summary>
/// Attempts to add a new transition to the current list of transitions
/// </summary>
/// <param name="a_From">The state to come from</param>
/// <param name="a_To">The state to go to</param>
/// <param name="a_IsValidTransition">An optional delegate with no parameters that returns true when the state change is valid and false when it is not</param>
/// <returns>Returns true if the transition was able to be added and false otherwise</returns>
public bool AddTransition(T a_From, T a_To, IsValidateTransition a_IsValidTransition = null)
{
// if 'a_From' and 'a_To' are the same state
if (a_From.Equals(a_To))
{
Debug.Warning("'" + a_From + "'" + " is the same state as " + "'" + a_To + "'");
return(false);
}
// if 'a_From' or 'a_To' is not in the list of states
if (!m_States.Contains(a_From) || !m_States.Contains(a_To))
{
T invalidKey; // Will decipher which state is invalid
if (!m_States.Contains(a_From))
{
invalidKey = a_From;
}
else
{
invalidKey = a_To;
}
Debug.Warning("'" + invalidKey + "' does not exist in '" + typeof(T) + "'");
return(false);
}
// Properly serializes 'a_From' and 'a_To' into the expected key format
string key = a_From.ToString() + "->" + a_To.ToString();
// if the key 'key' does not currently exist in 'm_Transitions'
if (!m_Transitions.ContainsKey(key))
{
// if the user did not pass in a delegate to check the transition
if (a_IsValidTransition == null)
{
m_Transitions[key] = () => true; // Set a default one that always allows the transition
}
else
{
m_Transitions[key] = a_IsValidTransition; // Otherwise use the one they passed in
}
return(true);
}
else
{
Debug.Warning("'" + key + "' already exists as a transition key");
return(false);
}
}
