public override void OnInspectorGUI()
{
DrawDefaultInspector();
EditorGUILayout.Space();
List <string> states = _register.GetStates();
showInfo = EditorGUILayout.Foldout(showInfo, "Registered State [" + states.Count + "]:", true);
if (showInfo && Utility.CanDrawEditor())
{
EditorGUI.indentLevel++; // 缩进
foreach (var state in states)
{
EditorGUILayout.LabelField(state);
}
EditorGUI.indentLevel--; // 取消缩进
}
}
public override void OnInspectorGUI()
{
// NULL用于取消某个状态转移条件
_stateInFSM = new List <string> {
"NULL"
};
foreach (var node in _currentFSMData.stateTransitionGraphNodes)
{
_stateInFSM.Add(node.currentState);
}
// 从AIStateRegister获取所有已经注册的状态
List <string> registeredStates = _stateRegister.GetStates();
// 删除AIStateRegister中没有的状态
DeleteStateFromFSM(registeredStates);
// 折叠FSM标签，默认打开
_currentFSMData.showStateTransitionGraph = EditorGUILayout.Foldout(_currentFSMData.showStateTransitionGraph, _currentFSMData.GetType().Name.ToString(), true);
// 获取当前FSM中已有的状态，将NULL移除
List <string> states = _stateInFSM.GetRange(1, _stateInFSM.Count - 1);
if (_currentFSMData.showStateTransitionGraph)
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("States", GUILayout.Width(50f));
// 从所有已经注册的状态里选择状态添加到当前FSM
_currentFSMData.addStateIndex = EditorGUILayout.Popup(_currentFSMData.addStateIndex, registeredStates.ToArray());
// 当动态从AIStateRegister中删除状态时，索引可能超出范围
_currentFSMData.addStateIndex = _currentFSMData.addStateIndex >= registeredStates.Count ? 0 : _currentFSMData.addStateIndex;
// 点击添加按钮时添加状态
if (GUILayout.Button(addButtonContent, EditorStyles.miniButton, GUILayout.Width(20f)) &&
_currentFSMData.addStateIndex < registeredStates.Count)
{
AddStateToFSM(registeredStates[_currentFSMData.addStateIndex]);
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.Space();
EditorGUI.indentLevel++; // 缩进
// 显示状态机中_stateTransitionGraph的每个单独节点
for (int i = 0; i < _currentFSMData.stateTransitionGraphNodes.Count; i++)
{
EditorGUILayout.BeginHorizontal();
// 是否折叠状态，默认打开
_currentFSMData.showStateTransitionConditions[i] = EditorGUILayout.Foldout(
_currentFSMData.showStateTransitionConditions[i],
_currentFSMData.stateTransitionGraphNodes[i].currentState,
true
);
// 点击删除状态按钮时，删除当前状态
if (GUILayout.Button(deleteButtonContent, EditorStyles.miniButton, GUILayout.Width(20f)))
{
DeleteStateFromFSM(i);
continue;
}
EditorGUILayout.EndHorizontal();
UpdateConditionInState(i);
if (_currentFSMData.showStateTransitionConditions[i])
{
EditorGUI.indentLevel++; // 缩进
// 显示该状态的所有转移条件，用于添加满足该条件后跳转的下一个状态
for (int j = 0; j < _currentFSMData.stateTransitionGraphNodes[i].stateTransitionRules.Count; j++)
{
string condition = _currentFSMData.stateTransitionGraphNodes[i].stateTransitionRules[j].condition;
string nextState = _currentFSMData.stateTransitionGraphNodes[i].stateTransitionRules[j].nextState;
EditorGUILayout.BeginHorizontal();
// 当前状态可以返回的条件
EditorGUILayout.LabelField(condition);
int index = _stateInFSM.IndexOf(nextState);
// 当找不到该状态时，置为NULL
index = index == -1 ? 0 : index;
// 设置满足条件后的下一个状态
index = EditorGUILayout.Popup(index, _stateInFSM.ToArray());
AIFSMData.StateTransitionGraphNode.StateTransitionRule rule;
rule.condition = condition;
rule.nextState = index == 0 ? null : _stateInFSM[index];
_currentFSMData.stateTransitionGraphNodes[i].stateTransitionRules[j] = rule;
EditorGUILayout.EndHorizontal();
}
EditorGUI.indentLevel--; // 取消缩进
}
}
EditorGUI.indentLevel--; // 取消缩进
}
EditorGUILayout.Space();
// 设置初始化状态
_currentFSMData.initStateIndex = EditorGUILayout.Popup("Initial State", _currentFSMData.initStateIndex, states.ToArray());
_currentFSMData.initStateIndex = _currentFSMData.initStateIndex < states.Count ? _currentFSMData.initStateIndex : 0;
// 当前状态机中没有状态时，设置为null
_currentFSMData.initStateName = states.Count > 0 ? states[_currentFSMData.initStateIndex] : null;
// 当编辑器中某个字段发生改变时，保存更改后的数据
if (GUILayout.Button("SAVE") && GUI.changed)
{
EditorUtility.SetDirty(_currentFSMData);
}
}