public override void OnInspectorGUI()
{
base.OnInspectorGUI();
serializedObject.Update();
//draw area
NavMeshComponentsGUIUtility.AreaPopup("Default Area", m_DefaultArea);
NavMeshComponentsGUIUtility.AgentMaskPopup("Affected Agents", m_AffectedAgents);
if (IncludeChildren.boolValue != m_includeChildrenTmp)
{
if (IncludeChildren.boolValue)
{
m_childrenTmp.Clear();
targetComponent.GetComponentsInChildren <NavMeshSourceTagImproved>(m_childrenTmp);
if (m_childrenTmp.Count > 1)//子节点有，includeChildren为false
{
IncludeChildren.boolValue = false;
//立即应用修改
serializedObject.ApplyModifiedProperties();
EditorUtility.DisplayDialog("", "子节点中有NavMeshSourceTagUseAgentAndArea，此处无法设置IncludeChildren为true", "ok");
}
}
}
m_includeChildrenTmp = IncludeChildren.boolValue;
serializedObject.ApplyModifiedProperties();
}
private void OnEnable()
{
targetComponent = (target as NavMeshSourceTagImproved);
IncludeChildren = serializedObject.FindProperty("IncludeChildren");
var parentTag = targetComponent.transform.parent? targetComponent.transform.parent.GetComponentInParent <NavMeshSourceTagImproved>() : null;
if (parentTag != null && parentTag.IncludeChildren == true)//父节点有，并且勾选includeChildren，删除自己
{
DestroyImmediate(targetComponent);
EditorUtility.DisplayDialog("", "父节点中已经有一个NavMeshSourceTagUseAgentAndArea，并且勾选了IncludeChildren，此处不需要添加", "ok");
return;
}
m_childrenTmp.Clear();
targetComponent.GetComponentsInChildren <NavMeshSourceTagImproved>(m_childrenTmp);
if (m_childrenTmp.Count > 1)//子节点有，includeChildren为false
{
IncludeChildren.boolValue = false;
serializedObject.ApplyModifiedProperties();
//EditorUtility.DisplayDialog("", "子节点中有NavMeshSourceTagUseAgentAndArea，此处IncludeChildren只能为false", "ok");
}
m_DefaultArea = serializedObject.FindProperty("m_DefaultArea");
m_AffectedAgents = serializedObject.FindProperty("m_AffectedAgents");
m_includeChildrenTmp = IncludeChildren.boolValue;
}