/// <summary>
/// 获取当前状态ID
/// </summary>
/// <returns></returns>
public UInt32 GetCurrentStateID()
{
if (m_CurrentState == null)
{
return(CFSMState.cuInvalieStateId);
}
UInt32 uID = m_CurrentState.GetStateID();
return(uID);
}
/// <summary>
/// 获取一个状态
/// </summary>
/// <param name="uStateId"></param>
/// <returns></returns>
protected CFSMState GetState(UInt32 uStateId)
{
Int32 nSize = m_StateList == null ? 0 : m_StateList.Count;
for (Int32 i = 0; i < nSize; ++i)
{
CFSMState state = m_StateList[i];
if (state != null && state.GetStateID() == uStateId)
{
return(state);
}
}
return(null);
}
/// <summary>
/// 添加一个状态
/// </summary>
/// <param name="newState"></param>
/// <returns></returns>
public bool AddState(CFSMState newState)
{
if (newState == null)
{
return(false);
}
if (GetState(newState.GetStateID()) != null) // dup
{
return(false);
}
if (m_StateList == null)
{
m_StateList = new List <CFSMState>();
}
m_StateList.Add(newState);
return(true);
}
/// <summary>
/// 切换到一个状态
/// </summary>
/// <param name="uNextState"></param>
/// <param name="fsmEvent"></param>
/// <returns></returns>
public bool ChangeToState(UInt32 uNextState, CFSMEvent fsmEvent)
{
CFSMState nextFSMState = GetState(uNextState);
if (nextFSMState == null)
{
return(false);
}
if (m_CurrentState != null)
{
if (m_CurrentState.GetStateID() == uNextState)
{
return(true);
}
if (m_CurrentState.OnExit(this, fsmEvent) == false)
{
BTDebug.Warning(string.Format("<BTFSM> State:{0} Exit Failed", m_CurrentState.GetStateName()));
}
}
#if BTDEBUG
if (m_bOpenDebug)
{
BTDebug.Log(string.Format("<BTFSM> FSM Trans From:{0} To:{1}",
m_CurrentState == null ? "NULL" : m_CurrentState.GetStateName(),
nextFSMState.GetStateName()));
}
#endif
if (nextFSMState.OnEnter(this, fsmEvent) == false)
{
BTDebug.Warning(string.Format("<BTFSM> State:{0} Enter Failed", nextFSMState.GetStateName()));
}
m_CurrentState = nextFSMState;
return(true);
}