public bool UpdateLinkState(bool checkFileChanged)
{
PrefabLinkState lastState = this.linkState;
ComponentNode cmpNode = this as ComponentNode;
GameObjectNode objNode = (cmpNode != null ? cmpNode.Parent : this) as GameObjectNode;
PrefabLink prefabLink = objNode != null ? objNode.Obj.AffectedByPrefabLink : null;
bool affectedByPrefabLink = prefabLink != null;
if (cmpNode != null)
{
affectedByPrefabLink = affectedByPrefabLink && prefabLink.AffectsObject(cmpNode.Component);
}
if (objNode != null)
{
affectedByPrefabLink = affectedByPrefabLink && prefabLink.AffectsObject(objNode.Obj);
}
string filePath = affectedByPrefabLink ? prefabLink.Prefab.Path : null;
bool fileExists = this.linkLastExisted;
if (checkFileChanged || this.linkLastPath != filePath)
{
fileExists = File.Exists(filePath);
}
// Prefab-linked entities
if (affectedByPrefabLink && fileExists) //prefabLink.Prefab.IsAvailable) // Not sufficient - might be loaded but with a broken path
{
this.linkState = PrefabLinkState.Active;
}
else if (cmpNode == null && objNode.Obj.PrefabLink != null)
{
this.linkState = PrefabLinkState.Broken;
}
else
{
this.linkState = PrefabLinkState.None;
}
this.linkLastExisted = fileExists;
this.linkLastPath = filePath;
return(this.linkState != lastState);
}
protected ComponentNode ScanComponent(Component cmp)
{
if (cmp == null) return null;
if (!this.buttonShowComponents.Checked) return null;
ComponentNode thisNode = new ComponentNode(cmp);
return thisNode;
}
