예제 #1
0
        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(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();
                editorSettingsHash = EditorSettings.Hash;
            }

            // Update scene view handles and selection
            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.ScreenPointToRay(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);
            sceneAxesGUI.UpdateInput(scenePos);
            SceneHandles.EndInput();

            sceneHandles.Draw();
            sceneAxesGUI.Draw();

            // Must be done after handle input is processed, in order to reflect most recent transform
            sceneGizmos.Draw();
            sceneSelection.Draw();

            UpdateGridMode();

            if (VirtualInput.IsButtonDown(frameKey))
            {
                cameraController.FrameSelected();
            }
        }