void _ChangeState(System.Type stateType, params object[] userdata)
{
if (typeof(FSMState).IsAssignableFrom(stateType))
{
FSMState stateTo = GetState(stateType);
if (stateTo)
{
if (stateTo.CallInit(userdata))
{
FSMState stateFrom = (m_stackedStates.Count > 0) ? m_stackedStates.Peek() : null;
if (stateFrom != null)
{
stateFrom.CallExit(stateTo);
m_stackedStates.Pop();
}
m_stackedStates.Push(stateTo);
stateTo.CallEnter(stateFrom);
if (stateFrom != null)
{
stateFrom.CallRelease();
}
}
else
{
Debug.LogError("FSM : state " + stateType.GetType().Name + " failed to initialize.");
stateTo.CallRelease();
}
}
}
}