private bool LoadAssetRelation()
{
if (m_TargetObject != null)
{
if (m_LastTargetObject != m_TargetObject)
{
string assetPath = AssetDatabase.GetAssetPath(m_TargetObject);
if (string.IsNullOrEmpty(assetPath))
{
EditorGUILayout.HelpBox("这个Asset不存在，是不是修改了项目文件？重新加载引用关系可以解决", MessageType.Warning);
}
else if (!m_Graph.Nodes.ContainsKey(assetPath))
{
EditorGUILayout.HelpBox("未找到这个Asset的引用。请尝试重新加载引用关系", MessageType.Warning);
}
else
{
RelationGraph.Node node = m_Graph.Nodes[assetPath];
m_ReferencesBuffer = LoadAssets(node.References);
m_DependenciesBuffer = LoadAssets(node.Dependencies);
}
}
}
else
{
EditorGUILayout.HelpBox("拖拽Asset至上方\"Target\" Field后，会显示Asset的引用关系", MessageType.Info);
m_ReferencesBuffer = null;
m_DependenciesBuffer = null;
}
return(m_ReferencesBuffer != null && m_DependenciesBuffer != null);
}
/// <summary>
/// 加载项目里所有文件的引用关系
/// </summary>
/// <param name="loadAssetCount">加载的Asset数量，小于0时，加载所有Asset。载所有Asset时间很长，为了方便测试，加这个参数</param>
private IEnumerator LoadAllRelationsAndSaveRecordFile(int loadAssetCount = -1)
{
m_Loading = true;
m_LoadingProgress = 0;
if (m_Graph == null)
{
m_Graph = new RelationGraph();
}
m_Graph.Nodes.Clear();
string[] guids = AssetDatabase.FindAssets("");
for (int guidIdx = 0; guidIdx < (loadAssetCount < 0 ? guids.Length : loadAssetCount); guidIdx++)
{
RelationGraph.Node node = new RelationGraph.Node();
node.AssetPath = AssetDatabase.GUIDToAssetPath(guids[guidIdx]);
if (!m_Graph.Nodes.ContainsKey(node.AssetPath))
{
m_Graph.Nodes.Add(node.AssetPath, node);
}
}
yield return(null);
int allCount = m_Graph.Nodes.Count;
int loadedCount = 0;
foreach (KeyValuePair <string, RelationGraph.Node> kv in m_Graph.Nodes)
{
RelationGraph.Node node = kv.Value;
node.Dependencies = AssetDatabase.GetDependencies(node.AssetPath, false);
for (int dependencieIdx = 0; dependencieIdx < node.Dependencies.Length; dependencieIdx++)
{
string dependencie = node.Dependencies[dependencieIdx];
if (m_Graph.Nodes.ContainsKey(dependencie))
{
m_Graph.Nodes[dependencie].ReferencesCache.Add(node.AssetPath);
}
}
if (++loadedCount % FRAME_LOAD_COUNT == 0)
{
m_LoadingProgress = (float)loadedCount / (float)allCount;
yield return(null);
Focus();
}
}
yield return(null);
// 将ReferencesCache转换到References
foreach (KeyValuePair <string, RelationGraph.Node> kv in m_Graph.Nodes)
{
RelationGraph.Node node = kv.Value;
node.References = node.ReferencesCache.ToArray();
}
try
{
SerializeUtility.WriteFile(m_RecordFilePath, m_Graph);
EditorUtility.DisplayDialog("提示", "加载引用关系并保存到文件成功", "确定");
}
catch (Exception ex)
{
EditorUtility.DisplayDialog("提示", "加载引用关系并保存到文件失败\n" + ex.ToString(), "确定");
}
finally
{
m_Loading = false;
}
}