/// <summary>
/// Called on start and call's OnInitialize.
/// </summary>
private void Initialize()
{
m_states = new Dictionary <string, State>();
Context = new Context
{
Owner = GetComponent <Player>(),
OwnerAgent = GetComponent <NavMeshAgent>()
};
foreach (var state in States)
{
AddState(state);
}
OnInitialize();
if (!string.IsNullOrEmpty(StartState))
{
Active = true;
ChangeState(StartState);
}
else if (StartState == null)
{
FSMHelper.Log(LogVerbose, $"Start State is null! Please assign one.");
}
}
/// <summary>
/// Remove state.If needed ?w
/// </summary>
/// <param name="state"></param>
public void RemoveState(string state)
{
if (m_states.ContainsKey(state))
{
m_states.Remove(state);
FSMHelper.Log(LogVerbose, $"State removed : {state}");
}
}
/// <summary>
/// Add a new state that will be taken care of
/// </summary>
/// <param name="state"></param>
public void AddState(State state)
{
if (!m_states.ContainsKey(state.Name()))
{
state.Setup(this);
m_states.Add(state.Name(), state);
FSMHelper.Log(LogVerbose, $"New State added : {state.Name()}");
}
}
/// <summary>
/// State will be changed immediately.
/// </summary>
/// <param name="newState"></param>
public void ChangeState(string newState)
{
if (m_states.ContainsKey(newState) && !string.Equals(CurrentState, newState))
{
m_previousState = m_currentState;
m_previousState?.OnLeave();
m_currentState = m_states[newState];
m_currentState.OnEnter();
CurrentState = newState;
FSMHelper.Log(LogVerbose, $"State changed from {m_previousState.Name()} to {m_currentState.Name()}");
}
}
/// <summary>
/// Update every decision.
/// </summary>
private void UpdateDecisions()
{
if (m_currentState.Decisions == null)
{
return;
}
foreach (var decision in m_currentState.Decisions)
{
if (decision.IsValid(Context))
{
LastDecisionMade = decision.Name();
FSMHelper.Log(LogVerbose, $"Decisions validated : {LastDecisionMade}");
}
}
}