public static List <GameObject> LoadAllValidPrefabsInFolder(string folderName, bool includeSubfolders = true, bool showProgressBar = false)
{
if (includeSubfolders)
{
string progressTitle = "Loading assets";
string progressMessage = "Please wait...";
if (showProgressBar)
{
EditorUtility.DisplayProgressBar(progressTitle, progressMessage, 0.0f);
}
List <UnityEngine.Object> assets = ProjectAssetDatabase.LoadAssetsInFolder(folderName, "GameObject", "");
if (showProgressBar)
{
EditorUtility.DisplayProgressBar(progressTitle, progressMessage, 0.5f);
}
List <GameObject> unityPrefabs = GetValidPrefabsWhichExistAmongstAssets(assets);
if (showProgressBar)
{
EditorUtility.ClearProgressBar();
}
if (unityPrefabs.Count == 0)
{
return(new List <GameObject>());
}
return(unityPrefabs);
}
else
{
List <string> assetPaths = FileSystem.GetAllFilesInFolder(folderName);
List <GameObject> validPrefabs = GetValidPrefabsWhichExistAmongstAssets(assetPaths, showProgressBar);
return(validPrefabs);
}
}
private Texture2D LoadTextureAtPathAndStore(string relativeTexturePath)
{
Texture2D loadedTexture = ProjectAssetDatabase.LoadTextureAtPath(FileSystem.GetToolFolderName() + relativeTexturePath);
if (loadedTexture != null)
{
Texture2D clonedTexture = loadedTexture.Clone(true);
_pathToTexture.Add(relativeTexturePath, clonedTexture);
return(clonedTexture);
}
return(null);
}
public static Prefab CreateFromSelectedObjects(Pivot prefabPivot)
{
// Ensure that all necessary data is in place
ObjectSelectionPrefabCreationSettings prefabCreationSettings = ObjectSelectionPrefabCreationSettings.Get();
if (string.IsNullOrEmpty(prefabCreationSettings.PrefabName) || string.IsNullOrEmpty(prefabCreationSettings.DestinationFolder))
{
return(null);
}
if (ObjectSelection.Get().NumberOfSelectedObjects == 0)
{
return(null);
}
List <GameObject> allSelectedObjects = ObjectSelection.Get().GetAllSelectedGameObjects();
if (allSelectedObjects.Count == 0)
{
return(null);
}
// Check if a prefab with the same name already exists
bool shouldPrefabBeCreated = true;
GameObject prefabWithSameName = ProjectAssetDatabase.LoadPrefabWithNameInFolder(prefabCreationSettings.PrefabName, prefabCreationSettings.DestinationFolder, false);
if (prefabWithSameName != null)
{
if (EditorUtility.DisplayDialog("Are you sure?", "A prefab with the specified name already exists in the specified folder. Would you like to overwrite it?", "Yes", "No"))
{
// If the user chose 'Yes', we have to remove the existing prefab from its category
PrefabCategory categoryWhichContainsSamePrefab = PrefabCategoryDatabase.Get().GetPrefabCategoryWhichContainsPrefab(prefabWithSameName);
if (categoryWhichContainsSamePrefab != null)
{
categoryWhichContainsSamePrefab.RemoveAndDestroyPrefab(prefabWithSameName);
}
}
else
{
shouldPrefabBeCreated = false;
}
}
if (!shouldPrefabBeCreated)
{
return(null);
}
// Create all the objects which will reside in the prefab hierarchy
GameObject prefabRoot = new GameObject(prefabCreationSettings.PrefabName);
Box objectCollectionWorldBox = Box.GetInvalid();
var allObjectsInPrefabHierarchy = new List <GameObject>();
foreach (GameObject gameObject in allSelectedObjects)
{
Transform gameObjectTransform = gameObject.transform;
GameObject gameObjectClone = Octave3DWorldBuilder.Instantiate(gameObject, gameObjectTransform.position, gameObjectTransform.rotation) as GameObject;
allObjectsInPrefabHierarchy.Add(gameObjectClone);
Transform cloneTransform = gameObjectClone.transform;
gameObjectClone.name = gameObject.name;
cloneTransform.localScale = gameObjectTransform.lossyScale;
if (objectCollectionWorldBox.IsValid())
{
objectCollectionWorldBox.Encapsulate(gameObjectClone.GetWorldBox());
}
else
{
objectCollectionWorldBox = gameObjectClone.GetWorldBox();
}
}
// Now calculate the root object's position based on the specified pivot point
Transform prefabRootTransform = prefabRoot.transform;
if (prefabPivot == Pivot.Center)
{
prefabRootTransform.position = objectCollectionWorldBox.Center;
}
else if (prefabPivot == Pivot.BottomCenter)
{
prefabRootTransform.position = objectCollectionWorldBox.GetBoxFaceCenter(BoxFace.Bottom);
}
// Now that the root object's position is in place, attach all objects as children of the root
foreach (GameObject gameObject in allObjectsInPrefabHierarchy)
{
gameObject.transform.parent = prefabRootTransform;
}
// Create the prefab and assign it to the chosen category
GameObject createdUnityPrefab = ProjectAssetDatabase.CreatePrefab(prefabRoot, prefabCreationSettings.PrefabName, prefabCreationSettings.DestinationFolder);
if (createdUnityPrefab == null)
{
return(null);
}
UndoEx.RecordForToolAction(prefabCreationSettings.DestinationCategory);
Prefab createdPrefab = PrefabFactory.Create(createdUnityPrefab);
prefabCreationSettings.DestinationCategory.AddPrefab(createdPrefab);
Octave3DWorldBuilder.DestroyImmediate(prefabRoot);
PrefabManagementWindow.Get().RepaintOctave3DWindow();
return(createdPrefab);
}
private void ExtractAllValidPrefabsInDroppedFolder()
{
List <GameObject> validUnityPrefabs = ProjectAssetDatabase.LoadAllValidPrefabsInFolder(FolderPath, _extractPrefabsInSubfolders, true);
_validPrefabs = PrefabFactory.Create(validUnityPrefabs);
}