/// <summary>
/// 删除映射对
/// </summary>
public void RemoveTransition(FSMTransitionID transitionID)
{
// 判空
if (transitionID == FSMTransitionID.NullTransition)
{
Debug.LogError("FSMState ERROR: NullTransition is not allowed");
return;
}
// 确实存在
if (map.ContainsKey(transitionID))
{
map.Remove(transitionID);
RemoveTransitionObject(transitionID);
return;
}
Debug.LogError("FSMState ERROR: Transition " + transitionID.ToString() + " passed to " + stateID.ToString() +
" was not on the state's transition list");
}
/// <summary>
/// 执行状态转换，当前+条件->下一个
/// </summary>
public void PerformTransition(FSMTransitionID trans)
{
// 判空
if (trans == FSMTransitionID.NullTransition)
{
Debug.LogError("FSM ERROR: NullTransition is not allowed for a real transition");
return;
}
// 尝试获取下一个状态ID
FSMStateID nextStateID = currentState.GetOutputState(trans);
if (nextStateID == FSMStateID.NullState)
{
Debug.LogError("FSM ERROR: State " + currentStateID.ToString() + " does not have a target state " +
" for transition " + trans.ToString());
return;
}
// 获取下一个状态
FSMState nextState = null;
if (nextStateID == FSMStateID.Default)
{
nextState = defaultState;
}
else
{
nextState = states.Find(s => s.StateID == nextStateID);
}
// 更新状态
currentState.DoBeforeLeaving();
if (!currentState.isFinished)
{
SavePreviousState();
}
currentState = nextState;
currentStateID = nextState.StateID;
currentState.DoBeforeEntering();
}
/// <summary>
/// 增加映射对
/// </summary>
/// <param name="transitionID">转换条件ID</param>
/// <param name="stateID">下一个转台ID</param>
public void AddTransition(FSMTransitionID transitionID, FSMStateID stateID)
{
// 判空
if (transitionID == FSMTransitionID.NullTransition)
{
Debug.LogError("FSMState ERROR: NullTransition is not allowed for a real transition");
return;
}
if (stateID == FSMStateID.NullState)
{
Debug.LogError("FSMState ERROR: NullStateID is not allowed for a real ID");
return;
}
// 已经存在
if (map.ContainsKey(transitionID))
{
Debug.LogError("FSMState ERROR: State " + this.stateID.ToString() + " already has transition " + transitionID.ToString() +
"Impossible to assign to another state");
return;
}
map.Add(transitionID, stateID);
AddTransitionObject(transitionID);
}