private static void ReadAllPrefabCategories(XmlNode prefabCategoryDatabaseNodes)
{
XmlNodeList prefabCategoryNodes = prefabCategoryDatabaseNodes.ChildNodes;
if (prefabCategoryNodes.Count == 0)
{
return;
}
for (int categoryNodeIndex = 0; categoryNodeIndex < prefabCategoryNodes.Count; ++categoryNodeIndex)
{
EditorUtility.DisplayProgressBar("Loading prefab categories...", "", (categoryNodeIndex + 1) / (float)prefabCategoryNodes.Count);
XmlNode categoryNode = prefabCategoryNodes[categoryNodeIndex];
XmlNode categoryNameNode = categoryNode.SelectSingleNode(PrefabConfigXMLInfo.PrefabCategoryNameNode);
if (categoryNameNode == null)
{
continue;
}
XmlNode objGroupNameNode = categoryNode.SelectSingleNode(PrefabConfigXMLInfo.PrefabCategoryAssociatedObjectGroupNameNode);
XmlNode folderNamesParentNode = categoryNode.SelectSingleNode(PrefabConfigXMLInfo.PrefabCategoryFolderNamesParentNode);
string categoryName = categoryNameNode.InnerText;
if (string.IsNullOrEmpty(categoryName))
{
continue;
}
PrefabCategory prefabCategory = null;
PrefabCategory defaultCategory = PrefabCategoryDatabase.Get().GetDefaultPrefabCategory();
if (categoryName != defaultCategory.Name)
{
prefabCategory = PrefabCategoryDatabase.Get().CreatePrefabCategory(categoryName);
if (prefabCategory == null)
{
continue;
}
}
else
{
prefabCategory = defaultCategory;
}
// Note: Can't really understand why this is needed, but without it, the tool throws null ref exceptions
// when Undo and Redo after config load.
UndoEx.RecordForToolAction(prefabCategory);
if (prefabCategory == defaultCategory)
{
prefabCategory.RemoveAndDestroyAllPrefabs();
}
ObjectGroupDatabase groupDatabase = Octave3DWorldBuilder.ActiveInstance.PlacementObjectGroupDatabase;
// Check if the prefab category has an object group associated. If it does, attempt to either
// load it from the database or create a new one if it doesn't exist.
if (objGroupNameNode != null && !string.IsNullOrEmpty(objGroupNameNode.InnerText))
{
ObjectGroup objectGroup = groupDatabase.GetObjectGroupByName(objGroupNameNode.InnerText);
if (objectGroup != null)
{
prefabCategory.SetObjectGroup(objectGroup);
}
else
{
ObjectGroup newGroup = groupDatabase.CreateObjectGroup(objGroupNameNode.InnerText);
if (newGroup != null)
{
prefabCategory.SetObjectGroup(newGroup);
}
}
}
if (folderNamesParentNode != null)
{
var allChildren = folderNamesParentNode.ChildNodes;
List <string> allFolderNames = new List <string>();
foreach (XmlNode child in allChildren)
{
allFolderNames.Add(child.InnerText);
}
prefabCategory.SetPathFolderNames(allFolderNames);
}
ReadAllPrefabsInCategory(prefabCategory, categoryNode.SelectNodes(PrefabConfigXMLInfo.PrefabCategoryPrefabNode));
}
EditorUtility.ClearProgressBar();
}