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 RenderPrefabPreviewRows()
{
for (int prefabIndex = 0; prefabIndex < _filteredPrefabs.Count; ++prefabIndex)
{
// Start a new row?
if (prefabIndex % ViewData.NumberOfPrefabsPerRow == 0)
{
if (prefabIndex != 0)
{
EditorGUILayout.EndHorizontal();
}
EditorGUILayout.BeginHorizontal();
}
// Render the prefab entry
Prefab prefab = _filteredPrefabs[prefabIndex];
var previewButtonRenderData = new PrefabPreviewButtonRenderData();
previewButtonRenderData.ExtractFromPrefab(prefab, ViewData.PrefabPreviewScale);
EditorGUILayout.BeginVertical(GUILayout.Width(previewButtonRenderData.ButtonWidth));
// Render the prefab preview button
EditorGUIColor.Push(prefab == _prefabCategory.ActivePrefab ? ViewData.ActivePrefabTint : Color.white);
if (EditorGUILayoutEx.PrefabPreview(prefab, true, previewButtonRenderData))
{
ObjectPlacementSettings placementSettings = ObjectPlacementSettings.Get();
if (placementSettings.ObjectPlacementMode == ObjectPlacementMode.DecorPaint &&
placementSettings.DecorPaintObjectPlacementSettings.DecorPaintMode == DecorPaintMode.Brush &&
DecorPaintObjectPlacementBrushDatabase.Get().ActiveBrush != null && Event.current.button == (int)MouseButton.Right)
{
UndoEx.RecordForToolAction(DecorPaintObjectPlacementBrushDatabase.Get().ActiveBrush);
DecorPaintObjectPlacementBrushElement brushElement = DecorPaintObjectPlacementBrushDatabase.Get().ActiveBrush.CreateNewElement();
brushElement.Prefab = prefab;
Octave3DWorldBuilder.ActiveInstance.RepaintAllEditorWindows();
Octave3DWorldBuilder.ActiveInstance.Inspector.Repaint();
}
else
if (Octave3DWorldBuilder.ActiveInstance.Inspector.ActiveInspectorGUIIdentifier == InspectorGUIIdentifier.ObjectSelection &&
AllShortcutCombos.Instance.ReplacePrefabsForSelectedObjects.IsActive())
{
ObjectSelection.Get().ReplaceSelectedObjectsWithPrefab(prefab);
}
else
{
UndoEx.RecordForToolAction(_prefabCategory);
_prefabCategory.SetActivePrefab(prefab);
}
}
EditorGUIColor.Pop();
// Render the prefab name labels if necessary
if (ViewData.ShowPrefabNames)
{
Rect previewRectangle = GUILayoutUtility.GetLastRect();
EditorGUILayoutEx.LabelInMiddleOfControlRect(previewRectangle, prefab.Name, previewButtonRenderData.ButtonHeight, GetStyleForPrefabNameLabel());
}
// Render the remove prefab button
if (GUILayout.Button(GetRemovePrefabButtonContent()))
{
UndoEx.RecordForToolAction(_prefabCategory);
_prefabCategory.RemoveAndDestroyPrefab(prefab);
Octave3DWorldBuilder.ActiveInstance.Inspector.Repaint();
}
EditorGUILayout.EndVertical();
}
// End the last row (if any)
if (_filteredPrefabs.Count != 0)
{
EditorGUILayout.EndHorizontal();
}
}