/// <summary>
/// Triggered when the drag and drop operation is starting while over the content area. If drag operation is over
/// an element, element will be dragged.
/// </summary>
/// <param name="windowPos">Coordinates where the drag operation started, relative to the window.</param>
private void OnDragStart(Vector2I windowPos)
{
bool isRenameInProgress = inProgressRenameElement != null;
if (isRenameInProgress)
return;
LibraryGUIEntry underCursorElem = FindElementAt(windowPos);
if (underCursorElem == null)
{
StartDragSelection(windowPos);
return;
}
string resourceDir = ProjectLibrary.ResourceFolder;
string[] dragPaths = null;
if (selectionPaths.Count > 0)
{
foreach (var path in selectionPaths)
{
if (path == underCursorElem.path)
{
dragPaths = new string[selectionPaths.Count];
for (int i = 0; i < selectionPaths.Count; i++)
{
dragPaths[i] = Path.Combine(resourceDir, selectionPaths[i]);
}
break;
}
}
}
if (dragPaths == null)
dragPaths = new[] { Path.Combine(resourceDir, underCursorElem.path) };
ResourceDragDropData dragDropData = new ResourceDragDropData(dragPaths);
DragDrop.StartDrag(dragDropData);
}
private void OnEditorUpdate()
{
if (currentType == InspectorType.SceneObject)
{
Component[] allComponents = activeSO.GetComponents();
bool requiresRebuild = allComponents.Length != inspectorComponents.Count;
if (!requiresRebuild)
{
for (int i = 0; i < inspectorComponents.Count; i++)
{
if (inspectorComponents[i].instanceId != allComponents[i].InstanceId)
{
requiresRebuild = true;
break;
}
}
}
if (requiresRebuild)
{
SceneObject so = activeSO;
Clear();
SetObjectToInspect(so);
}
else
{
RefreshSceneObjectFields(false);
InspectableState componentModifyState = InspectableState.NotModified;
for (int i = 0; i < inspectorComponents.Count; i++)
{
componentModifyState |= inspectorComponents[i].inspector.Refresh();
}
if (componentModifyState.HasFlag(InspectableState.ModifyInProgress))
{
EditorApplication.SetSceneDirty();
}
modifyState |= componentModifyState;
}
}
else if (currentType == InspectorType.Resource)
{
inspectorResource.inspector.Refresh();
}
// Detect drag and drop
bool isValidDrag = false;
if (activeSO != null)
{
if ((DragDrop.DragInProgress || DragDrop.DropInProgress) && DragDrop.Type == DragDropType.Resource)
{
Vector2I windowPos = ScreenToWindowPos(Input.PointerPosition);
Vector2I scrollPos = windowPos;
Rect2I contentBounds = inspectorLayout.Bounds;
scrollPos.x -= contentBounds.x;
scrollPos.y -= contentBounds.y;
bool isInBounds = false;
Rect2I dropArea = new Rect2I();
foreach (var bounds in dropAreas)
{
if (bounds.Contains(scrollPos))
{
isInBounds = true;
dropArea = bounds;
break;
}
}
Type draggedComponentType = null;
if (isInBounds)
{
ResourceDragDropData dragData = DragDrop.Data as ResourceDragDropData;
if (dragData != null)
{
foreach (var resPath in dragData.Paths)
{
ResourceMeta meta = ProjectLibrary.GetMeta(resPath);
if (meta != null)
{
if (meta.ResType == ResourceType.ScriptCode)
{
ScriptCode scriptFile = ProjectLibrary.Load <ScriptCode>(resPath);
if (scriptFile != null)
{
Type[] scriptTypes = scriptFile.Types;
foreach (var type in scriptTypes)
{
if (type.IsSubclassOf(typeof(Component)))
{
draggedComponentType = type;
isValidDrag = true;
break;
}
}
if (draggedComponentType != null)
{
break;
}
}
}
}
}
}
}
if (isValidDrag)
{
scrollAreaHighlight.Bounds = dropArea;
if (DragDrop.DropInProgress)
{
activeSO.AddComponent(draggedComponentType);
modifyState = InspectableState.Modified;
EditorApplication.SetSceneDirty();
}
}
}
}
if (scrollAreaHighlight != null)
{
scrollAreaHighlight.Active = isValidDrag;
}
}
private static extern void Internal_CreateInstance(ResourceDragDropData instance, string[] paths);
private void OnEditorUpdate()
{
if (HasFocus)
{
if (!Input.IsPointerButtonHeld(PointerButton.Right))
{
if (VirtualInput.IsButtonDown(EditorApplication.DuplicateKey))
{
DuplicateSelection();
}
else if (VirtualInput.IsButtonDown(EditorApplication.DeleteKey))
{
DeleteSelection();
}
else if (VirtualInput.IsButtonDown(toggleProfilerOverlayKey))
{
EditorSettings.SetBool(ProfilerOverlayActiveKey, !EditorSettings.GetBool(ProfilerOverlayActiveKey));
}
else if (VirtualInput.IsButtonDown(viewToolKey))
{
EditorApplication.ActiveSceneTool = SceneViewTool.View;
}
else if (VirtualInput.IsButtonDown(moveToolKey))
{
EditorApplication.ActiveSceneTool = SceneViewTool.Move;
}
else if (VirtualInput.IsButtonDown(rotateToolKey))
{
EditorApplication.ActiveSceneTool = SceneViewTool.Rotate;
}
else if (VirtualInput.IsButtonDown(scaleToolKey))
{
EditorApplication.ActiveSceneTool = SceneViewTool.Scale;
}
}
}
// Refresh GUI buttons if needed (in case someones changes the values from script)
if (editorSettingsHash != EditorSettings.Hash)
{
UpdateButtonStates();
UpdateProfilerOverlay();
editorSettingsHash = EditorSettings.Hash;
}
// Update scene view handles and selection
sceneGizmos.Draw();
sceneGrid.Draw();
bool handleActive = sceneHandles.IsActive() || sceneAxesGUI.IsActive();
Vector2I scenePos;
bool inBounds = ScreenToScenePos(Input.PointerPosition, out scenePos);
bool dragResult = false;
if (Input.IsPointerButtonUp(PointerButton.Left))
{
dragResult = EndDragSelection();
if (sceneHandles.IsActive())
{
sceneHandles.ClearSelection();
}
if (sceneAxesGUI.IsActive())
{
sceneAxesGUI.ClearSelection();
}
}
else if (Input.IsPointerButtonDown(PointerButton.Left))
{
mouseDownPosition = scenePos;
}
bool draggedOver = DragDrop.DragInProgress || DragDrop.DropInProgress;
draggedOver &= IsPointerHovering && inBounds && DragDrop.Type == DragDropType.Resource;
if (draggedOver)
{
if (DragDrop.DropInProgress)
{
dragActive = false;
if (draggedSO != null)
{
Selection.SceneObject = draggedSO;
EditorApplication.SetSceneDirty();
}
draggedSO = null;
}
else
{
if (!dragActive)
{
dragActive = true;
ResourceDragDropData dragData = (ResourceDragDropData)DragDrop.Data;
string[] draggedPaths = dragData.Paths;
for (int i = 0; i < draggedPaths.Length; i++)
{
ResourceMeta meta = ProjectLibrary.GetMeta(draggedPaths[i]);
if (meta != null)
{
if (meta.ResType == ResourceType.Mesh)
{
if (!string.IsNullOrEmpty(draggedPaths[i]))
{
string meshName = Path.GetFileNameWithoutExtension(draggedPaths[i]);
draggedSO = UndoRedo.CreateSO(meshName, "Created a new Renderable \"" + meshName + "\"");
Mesh mesh = ProjectLibrary.Load <Mesh>(draggedPaths[i]);
Renderable renderable = draggedSO.AddComponent <Renderable>();
renderable.Mesh = mesh;
if (mesh != null)
{
draggedSOOffset = mesh.Bounds.Box.Center;
}
else
{
draggedSOOffset = Vector3.Zero;
}
}
break;
}
else if (meta.ResType == ResourceType.Prefab)
{
if (!string.IsNullOrEmpty(draggedPaths[i]))
{
Prefab prefab = ProjectLibrary.Load <Prefab>(draggedPaths[i]);
draggedSO = UndoRedo.Instantiate(prefab, "Instantiating " + prefab.Name);
if (draggedSO != null)
{
AABox draggedObjBounds = EditorUtility.CalculateBounds(draggedSO);
draggedSOOffset = draggedObjBounds.Center;
}
else
{
draggedSOOffset = Vector3.Zero;
}
}
break;
}
}
}
}
if (draggedSO != null)
{
if (Input.IsButtonHeld(ButtonCode.Space))
{
SnapData snapData;
sceneSelection.Snap(scenePos, out snapData, new SceneObject[] { draggedSO });
Quaternion q = Quaternion.FromToRotation(Vector3.YAxis, snapData.normal);
draggedSO.Position = snapData.position;
draggedSO.Rotation = q;
}
else
{
Ray worldRay = camera.ViewportToWorldRay(scenePos);
draggedSO.Position = worldRay * DefaultPlacementDepth - draggedSOOffset;
}
}
}
return;
}
else
{
if (dragActive)
{
dragActive = false;
if (draggedSO != null)
{
draggedSO.Destroy();
draggedSO = null;
}
}
}
if (HasContentFocus || IsPointerHovering)
{
cameraController.EnableInput(true);
if (inBounds && HasContentFocus)
{
if (Input.IsPointerButtonDown(PointerButton.Left))
{
Rect2I sceneAxesGUIBounds = new Rect2I(Width - HandleAxesGUISize - HandleAxesGUIPaddingX,
HandleAxesGUIPaddingY, HandleAxesGUISize, HandleAxesGUISize);
if (sceneAxesGUIBounds.Contains(scenePos))
{
sceneAxesGUI.TrySelect(scenePos);
}
else
{
sceneHandles.TrySelect(scenePos);
}
}
else if (Input.IsPointerButtonHeld(PointerButton.Left) && !handleActive && !dragActive &&
draggedSO == null && scenePos != mouseDownPosition)
{
if (isDraggingSelection)
{
UpdateDragSelection(scenePos);
}
else
{
StartDragSelection(scenePos);
}
}
else if (Input.IsPointerButtonUp(PointerButton.Left))
{
if (!handleActive && !dragActive && !dragResult)
{
bool ctrlHeld = Input.IsButtonHeld(ButtonCode.LeftControl) ||
Input.IsButtonHeld(ButtonCode.RightControl);
sceneSelection.PickObject(scenePos, ctrlHeld, new SceneObject[] { draggedSO });
}
}
}
}
else
{
cameraController.EnableInput(false);
}
SceneHandles.BeginInput();
sceneHandles.UpdateInput(scenePos, Input.PointerDelta);
sceneHandles.Draw();
sceneAxesGUI.UpdateInput(scenePos);
sceneAxesGUI.Draw();
SceneHandles.EndInput();
sceneSelection.Draw();
UpdateGridMode();
if (VirtualInput.IsButtonDown(frameKey))
{
cameraController.FrameSelected();
}
}