public void DeleteTransition(EnemyTransition transition)
{
if (!m_Map.ContainsKey(transition))
{
Debug.LogError("删除转换条件失败,不存在该条件 : " + transition.ToString()); return;
}
m_Map.Remove(transition);
}
/// <summary>
/// 根据指定的转换条件获取状态ID
/// </summary>
/// <param name="transition"></param>
/// <returns></returns>
public EnemyStateID GetOutPutState(EnemyTransition transition)
{
if (!m_Map.ContainsKey(transition))
{
Debug.LogError("获取转换条件失败,不存在该条件 : " + transition.ToString());
return(EnemyStateID.NullState);
}
return(m_Map[transition]);
}
public void DeleteTransition(EnemyTransition trans)
{
// Check for NullTransition
if (trans == EnemyTransition.NullTransition)
{
Debug.LogError("EnemyFSMState ERROR: NullTransition is not allowed");
return;
}
// Check if the pair is inside the map before deleting
if (map.ContainsKey(trans))
{
map.Remove(trans);
return;
}
Debug.LogError("EnemyFSMState ERROR: Transition " + trans.ToString() + " passed to " + stateID.ToString() +
" was not on the state's transition list");
}
/// <summary>
/// This method tries to change the state the FSM is in based on
/// the current state and the transition passed. If current state
/// doesn't have a target state for the transition passed,
/// an ERROR message is printed.
/// </summary>
public void PerformTransition(EnemyTransition trans)
{
// Check for NullTransition before changing the current state
if (trans == EnemyTransition.NullTransition)
{
Debug.LogError("EnemyFSM ERROR: NullTransition is not allowed for a real transition");
return;
}
// Check if the currentState has the transition passed as argument
EnemyStateID id = currentState.GetOutputState(trans);
if (id == EnemyStateID.NullStateID)
{
Debug.LogError("EnemyFSM ERROR: State " + currentStateID.ToString() + " does not have a target state " +
" for transition " + trans.ToString());
return;
}
// Update the currentStateID and currentState
currentStateID = id;
foreach (EnemyFSMState state in states)
{
if (state.ID == currentStateID)
{
// Do the post processing of the state before setting the new one
currentState.DoBeforeLeaving();
currentState = state;
// Reset the state to its desired condition before it can reason or act
currentState.DoBeforeEntering();
break;
}
}
} // PerformTransition()
public void AddTransition(EnemyTransition trans, EnemyStateID id)
{
// Check if anyone of the args is invalid
if (trans == EnemyTransition.NullTransition)
{
Debug.LogError("EnemyFSMState ERROR: NullTransition is not allowed for a real transition");
return;
}
if (id == EnemyStateID.NullStateID)
{
Debug.LogError("EnemyFSMState ERROR: NullStateID is not allowed for a real ID");
return;
}
// Since this is a Deterministic FSM,
// check if the current transition was already inside the map
if (map.ContainsKey(trans))
{
Debug.LogError("EnemyFSMState ERROR: State " + stateID.ToString() + " already has transition " + trans.ToString() +
"Impossible to assign to another state");
return;
}
map.Add(trans, id);
}
