public override void OnToolGUI(EditorWindow window)
        {
            SceneViewOverlay.Window(k_ShapeTitle, OnOverlayGUI, 0, SceneViewOverlay.WindowDisplayOption.OneWindowPerTitle);

            var evt = Event.current;

            if (EditorHandleUtility.SceneViewInUse(evt))
            {
                return;
            }

            m_ControlID = GUIUtility.GetControlID(FocusType.Passive);
            HandleUtility.AddDefaultControl(m_ControlID);

            m_CurrentState = m_CurrentState.DoState(evt);
        }
Exemplo n.º 2
0
        public override void OnToolGUI(EditorWindow window)
        {
            SceneViewOverlay.Window(k_ShapeTitle, OnOverlayGUI, 0, SceneViewOverlay.WindowDisplayOption.OneWindowPerTitle);

            var evt = Event.current;

            if (EditorHandleUtility.SceneViewInUse(evt))
            {
                return;
            }

            m_ControlID = GUIUtility.GetControlID(FocusType.Passive);
            HandleUtility.AddDefaultControl(m_ControlID);

            if (GUIUtility.hotControl == 0)
            {
                EditorGUIUtility.AddCursorRect(new Rect(0, 0, Screen.width, Screen.height), MouseCursor.ArrowPlus);
            }

            m_CurrentState = m_CurrentState.DoState(evt);
        }
Exemplo n.º 3
0
        void DoExistingPointsGUI()
        {
            Transform trs = polygon.transform;
            int       len = polygon.m_Points.Count;

            Vector3 up      = polygon.transform.up;
            Vector3 right   = polygon.transform.right;
            Vector3 forward = polygon.transform.forward;
            Vector3 center  = Vector3.zero;

            Event evt = Event.current;

            bool used = evt.type == EventType.Used;

            if (!used &&
                (evt.type == EventType.MouseDown &&
                 evt.button == 0 &&
                 !EditorHandleUtility.IsAppendModifier(evt.modifiers)))
            {
                m_SelectedIndex = -1;
                Repaint();
            }

            if (polygon.polyEditMode == PolyShape.PolyEditMode.Height)
            {
                if (!used && evt.type == EventType.MouseUp && evt.button == 0 && !EditorHandleUtility.IsAppendModifier(evt.modifiers))
                {
                    evt.Use();
                    SetPolyEditMode(PolyShape.PolyEditMode.Edit);
                }

                bool sceneInUse = EditorHandleUtility.SceneViewInUse(evt);
                Ray  r          = HandleUtility.GUIPointToWorldRay(evt.mousePosition);

                Vector3 origin  = polygon.transform.TransformPoint(Math.Average(polygon.m_Points));
                float   extrude = polygon.extrude;

                if (evt.type == EventType.MouseMove && !sceneInUse)
                {
                    Vector3 p = Math.GetNearestPointRayRay(origin, up, r.origin, r.direction);
                    extrude = ProGridsInterface.ProGridsSnap(s_HeightMouseOffset + Vector3.Distance(origin, p) * Mathf.Sign(Vector3.Dot(p - origin, up)));
                }

                Vector3 extrudePoint = origin + (extrude * up);

                Handles.color = k_HandleColor;
                Handles.DotHandleCap(-1, origin, Quaternion.identity, HandleUtility.GetHandleSize(origin) * k_HandleSize, evt.type);
                Handles.color = k_HandleColorGreen;
                Handles.DrawLine(origin, extrudePoint);
                Handles.DotHandleCap(-1, extrudePoint, Quaternion.identity, HandleUtility.GetHandleSize(extrudePoint) * k_HandleSize, evt.type);
                Handles.color = Color.white;

                if (!sceneInUse && polygon.extrude != extrude)
                {
                    OnBeginVertexMovement();
                    polygon.extrude = extrude;
                    RebuildPolyShapeMesh(false);
                }
            }
            else
            {
                // vertex dots
                for (int ii = 0; ii < len; ii++)
                {
                    Vector3 point = trs.TransformPoint(polygon.m_Points[ii]);

                    center.x += point.x;
                    center.y += point.y;
                    center.z += point.z;

                    float size = HandleUtility.GetHandleSize(point) * k_HandleSize;

                    Handles.color = ii == m_SelectedIndex ? k_HandleSelectedColor : k_HandleColor;

                    EditorGUI.BeginChangeCheck();

                    point = Handles.Slider2D(point, up, right, forward, size, Handles.DotHandleCap, Vector2.zero, true);

                    if (EditorGUI.EndChangeCheck())
                    {
                        UndoUtility.RecordObject(polygon, "Move Polygon Shape Point");

                        Vector3 snapMask = Snapping.GetSnappingMaskBasedOnNormalVector(m_Plane.normal);
                        polygon.m_Points[ii] = ProGridsInterface.ProGridsSnap(trs.InverseTransformPoint(point), snapMask);
                        OnBeginVertexMovement();
                        RebuildPolyShapeMesh(false);
                    }

                    // "clicked" a button
                    if (!used && evt.type == EventType.Used)
                    {
                        if (ii == 0 && polygon.m_Points.Count > 2 && polygon.polyEditMode == PolyShape.PolyEditMode.Path)
                        {
                            m_NextMouseUpAdvancesMode = true;
                            return;
                        }
                        else
                        {
                            used            = true;
                            m_SelectedIndex = ii;
                        }
                    }
                }

                Handles.color = Color.white;

                // height setting
                if (polygon.polyEditMode != PolyShape.PolyEditMode.Path && polygon.m_Points.Count > 2)
                {
                    center.x /= (float)len;
                    center.y /= (float)len;
                    center.z /= (float)len;

                    Vector3 extrude = center + (up * polygon.extrude);
                    m_DistanceFromHeightHandle = Vector2.Distance(HandleUtility.WorldToGUIPoint(extrude), evt.mousePosition);

                    EditorGUI.BeginChangeCheck();

                    Handles.color = k_HandleColor;
                    Handles.DotHandleCap(-1, center, Quaternion.identity, HandleUtility.GetHandleSize(center) * k_HandleSize, evt.type);
                    Handles.DrawLine(center, extrude);
                    Handles.color = k_HandleColorGreen;
                    extrude       = Handles.Slider(extrude, up, HandleUtility.GetHandleSize(extrude) * k_HandleSize, Handles.DotHandleCap, 0f);
                    Handles.color = Color.white;

                    if (EditorGUI.EndChangeCheck())
                    {
                        UndoUtility.RecordObject(polygon, "Set Polygon Shape Height");
                        polygon.extrude = ProGridsInterface.ProGridsSnap(Vector3.Distance(extrude, center) * Mathf.Sign(Vector3.Dot(up, extrude - center)));
                        OnBeginVertexMovement();
                        RebuildPolyShapeMesh(false);
                    }
                }
            }
        }
Exemplo n.º 4
0
        void OnSceneGUI()
        {
            if (polygon.polyEditMode == PolyShape.PolyEditMode.None)
            {
                return;
            }

            if (polygon == null || Tools.current != Tool.None)
            {
                SetPolyEditMode(PolyShape.PolyEditMode.None);
                return;
            }

            if (m_LineMaterial != null)
            {
                m_LineMaterial.SetPass(0);
                Graphics.DrawMeshNow(m_LineMesh, polygon.transform.localToWorldMatrix, 0);
            }

            Event evt = Event.current;

            // used when finishing a loop by clicking the first created point
            if (m_NextMouseUpAdvancesMode && evt.type == EventType.MouseUp)
            {
                evt.Use();

                m_NextMouseUpAdvancesMode = false;

                if (SceneCameraIsAlignedWithPolyUp())
                {
                    SetPolyEditMode(PolyShape.PolyEditMode.Edit);
                }
                else
                {
                    SetPolyEditMode(PolyShape.PolyEditMode.Height);
                }
            }

            if (m_IsModifyingVertices && (
                    evt.type == EventType.MouseUp ||
                    evt.type == EventType.Ignore ||
                    evt.type == EventType.KeyDown ||
                    evt.type == EventType.KeyUp))
            {
                OnFinishVertexMovement();
            }

            DoExistingPointsGUI();

            if (evt.type == EventType.KeyDown)
            {
                HandleKeyEvent(evt);
            }

            if (EditorHandleUtility.SceneViewInUse(evt))
            {
                return;
            }

            int controlID = GUIUtility.GetControlID(FocusType.Passive);

            HandleUtility.AddDefaultControl(controlID);

            DoPointPlacement();
        }
Exemplo n.º 5
0
        /// <summary>
        /// Main GUI update for the tool, calls every secondary methods to place points, update lines and compute the cut
        /// </summary>
        /// <param name="window">current window calling the tool : SceneView</param>
        public override void OnToolGUI(EditorWindow window)
        {
            Event evt = Event.current;

            SceneViewOverlay.Window(m_OverlayTitle, OnOverlayGUI, 0, SceneViewOverlay.WindowDisplayOption.OneWindowPerTitle);

            if (polygon == null)
            {
                return;
            }

            if (polygon.polyEditMode == PolyShape.PolyEditMode.None)
            {
                return;
            }

            // used when finishing a loop by clicking the first created point
            if (m_NextMouseUpAdvancesMode && evt.type == EventType.MouseUp)
            {
                evt.Use();

                m_NextMouseUpAdvancesMode = false;

                if (SceneCameraIsAlignedWithPolyUp())
                {
                    SetPolyEditMode(PolyShape.PolyEditMode.Edit);
                }
                else
                {
                    SetPolyEditMode(PolyShape.PolyEditMode.Height);
                }
            }

            if (m_IsModifyingVertices && (
                    evt.type == EventType.MouseUp ||
                    evt.type == EventType.Ignore ||
                    evt.type == EventType.KeyDown ||
                    evt.type == EventType.KeyUp))
            {
                OnFinishVertexMovement();
            }

            if (evt.type == EventType.KeyDown)
            {
                HandleKeyEvent(evt);
            }

            //The user can press a key to exit editing mode,
            //leading to null polygon at this point
            if (polygon == null)
            {
                return;
            }

            if (EditorHandleUtility.SceneViewInUse(evt))
            {
                return;
            }

            m_ControlId = GUIUtility.GetControlID(FocusType.Passive);

            if (evt.type == EventType.Layout)
            {
                HandleUtility.AddDefaultControl(m_ControlId);
            }

            if (polygon.polyEditMode == PolyShape.PolyEditMode.Path && !m_PlacingPoint)
            {
                m_MouseCursor = MouseCursor.ArrowPlus;
            }
            else if ((GUIUtility.hotControl != 0) || m_PlacingPoint)
            {
                m_MouseCursor = MouseCursor.MoveArrow;
            }
            else
            {
                m_MouseCursor = MouseCursor.Arrow;
            }

            if (evt.type == EventType.MouseMove)
            {
                SceneView.RepaintAll();
            }

            DoPointPlacement();
            DoExistingPointsGUI();

            if (evt.type == EventType.Repaint)
            {
                DoExistingLinesGUI();
                Rect sceneViewRect = window.position;
                sceneViewRect.x = 0;
                sceneViewRect.y = 0;
                SceneView.AddCursorRect(sceneViewRect, m_MouseCursor);
            }
        }
Exemplo n.º 6
0
        void OnSceneGUI(SceneView sceneView)
        {
#if !UNITY_2018_2_OR_NEWER
            if (s_ResetOnSceneGUIState != null)
            {
                s_ResetOnSceneGUIState.Invoke(sceneView, null);
            }
#endif

            SceneStyles.Init();

            m_CurrentEvent = Event.current;

            EditorMeshHandles.DrawSceneHandles(SceneDragAndDropListener.isDragging ? SelectMode.None : selectMode);

            DrawHandleGUI(sceneView);

#if SHORTCUT_MANAGER
            // Escape isn't assignable as a shortcut
            if (m_CurrentEvent.type == EventType.KeyDown)
            {
                if (m_CurrentEvent.keyCode == KeyCode.Escape && selectMode != SelectMode.Object)
                {
                    selectMode = SelectMode.Object;
                    m_CurrentEvent.Use();
                }
            }
#else
            if (m_CurrentEvent.type == EventType.MouseDown && m_CurrentEvent.button == 1)
            {
                m_IsRightMouseDown = true;
            }

            if (m_CurrentEvent.type == EventType.MouseUp && m_CurrentEvent.button == 1 || m_CurrentEvent.type == EventType.Ignore)
            {
                m_IsRightMouseDown = false;
            }

            if (!m_IsRightMouseDown && (m_CurrentEvent.type == EventType.KeyUp ? m_CurrentEvent.keyCode : KeyCode.None) != KeyCode.None)
            {
                if (ShortcutCheck(m_CurrentEvent))
                {
                    m_CurrentEvent.Use();
                    return;
                }
            }

            if (m_CurrentEvent.type == EventType.KeyDown)
            {
                if (s_Shortcuts.value.Any(x => x.Matches(m_CurrentEvent.keyCode, m_CurrentEvent.modifiers)))
                {
                    m_CurrentEvent.Use();
                }
            }
#endif

            if (selectMode == SelectMode.Object)
            {
                return;
            }

            // Check mouse position in scene and determine if we should highlight something
            if (s_ShowHoverHighlight &&
                m_CurrentEvent.type == EventType.MouseMove &&
                selectMode.IsMeshElementMode())
            {
                m_Hovering.CopyTo(m_HoveringPrevious);

                if (GUIUtility.hotControl != 0 ||
                    EditorSceneViewPicker.MouseRayHitTest(m_CurrentEvent.mousePosition, selectMode, m_ScenePickerPreferences, m_Hovering) > ScenePickerPreferences.maxPointerDistance)
                {
                    m_Hovering.Clear();
                }

                if (!m_Hovering.Equals(m_HoveringPrevious))
                {
                    SceneView.RepaintAll();
                }
            }

            if (Tools.current == Tool.View)
            {
                return;
            }

            // Overrides the toolbar transform tools
            if (Tools.current != Tool.None && Tools.current != m_CurrentTool)
            {
                SetTool_Internal(Tools.current);
            }

            Tools.current = Tool.None;

            if (selectMode.IsMeshElementMode() && MeshSelection.selectedVertexCount > 0)
            {
                var tool = GetToolForSelectMode(m_CurrentTool, s_SelectMode);

                if (tool != null)
                {
                    tool.OnSceneGUI(m_CurrentEvent);
                }
            }

            if (EditorHandleUtility.SceneViewInUse(m_CurrentEvent) || m_CurrentEvent.isKey)
            {
                m_IsDragging = false;

                if (GUIUtility.hotControl == m_DefaultControl)
                {
                    GUIUtility.hotControl = 0;
                }

                return;
            }

            // This prevents us from selecting other objects in the scene,
            // and allows for the selection of faces / vertices.
            m_DefaultControl = GUIUtility.GetControlID(FocusType.Passive);
            HandleUtility.AddDefaultControl(m_DefaultControl);

            if (m_CurrentEvent.type == EventType.MouseDown && HandleUtility.nearestControl == m_DefaultControl)
            {
                // double clicking object
                if (m_CurrentEvent.clickCount > 1)
                {
                    DoubleClick(m_CurrentEvent);
                }

                m_InitialMousePosition = m_CurrentEvent.mousePosition;
                // readyForMouseDrag prevents a bug wherein after ending a drag an errant
                // MouseDrag event is sent with no corresponding MouseDown/MouseUp event.
                m_IsReadyForMouseDrag = true;

                GUIUtility.hotControl = m_DefaultControl;
            }

            if (m_CurrentEvent.type == EventType.MouseDrag && m_IsReadyForMouseDrag && GUIUtility.hotControl == m_DefaultControl)
            {
                if (!m_IsDragging && Vector2.Distance(m_CurrentEvent.mousePosition, m_InitialMousePosition) > k_MouseDragThreshold)
                {
                    sceneView.Repaint();
                    m_IsDragging = true;
                }
            }

            if (m_CurrentEvent.type == EventType.Ignore)
            {
                if (m_IsDragging)
                {
                    m_IsReadyForMouseDrag = false;
                    m_IsDragging          = false;
                    EditorSceneViewPicker.DoMouseDrag(m_MouseDragRect, selectMode, m_ScenePickerPreferences);
                }

                if (m_WasDoubleClick)
                {
                    m_WasDoubleClick = false;
                }

                if (GUIUtility.hotControl == m_DefaultControl)
                {
                    GUIUtility.hotControl = 0;
                }
            }

            if (m_CurrentEvent.type == EventType.MouseUp && GUIUtility.hotControl == m_DefaultControl)
            {
                GUIUtility.hotControl = 0;

                if (m_WasDoubleClick)
                {
                    m_WasDoubleClick = false;
                }
                else
                {
                    if (!m_IsDragging)
                    {
                        if (UVEditor.instance)
                        {
                            UVEditor.instance.ResetUserPivot();
                        }

                        EditorSceneViewPicker.DoMouseClick(m_CurrentEvent, selectMode, m_ScenePickerPreferences);
                        UpdateSelection();
                        SceneView.RepaintAll();
                    }
                    else
                    {
                        m_IsDragging          = false;
                        m_IsReadyForMouseDrag = false;

                        if (UVEditor.instance)
                        {
                            UVEditor.instance.ResetUserPivot();
                        }

                        EditorSceneViewPicker.DoMouseDrag(m_MouseDragRect, selectMode, m_ScenePickerPreferences);

                        if (GUIUtility.hotControl == m_DefaultControl)
                        {
                            GUIUtility.hotControl = 0;
                        }
                    }
                }
            }
        }
        void OnSceneGUI()
        {
            Event e = Event.current;

            bool eventHasBeenUsed = false;

            if (m_IsMoving)
            {
                if (e.type == EventType.Ignore ||
                    e.type == EventType.MouseUp)
                {
                    eventHasBeenUsed = true;
                    OnFinishVertexModification();
                }
            }

            bool sceneViewInUse = EditorHandleUtility.SceneViewInUse(e);

            if (e.type == EventType.KeyDown)
            {
                if (e.keyCode == KeyCode.Backspace && m_currentHandle > -1 && m_currentHandle < m_Points.Count)
                {
                    UndoUtility.RecordObject(m_Target, "Delete Bezier Point");
                    m_Points.RemoveAt(m_currentHandle);
                    UpdateMesh(true);
                }
                else if (e.keyCode == KeyCode.Escape)
                {
                    SetIsEditing(false);
                }
            }

            int count = m_Points.Count;

            Matrix4x4 handleMatrix = Handles.matrix;

            Handles.matrix = m_Target.transform.localToWorldMatrix;

            EditorGUI.BeginChangeCheck();

            for (int index = 0; index < count; index++)
            {
                if (index < count - 1 || m_CloseLoop)
                {
                    Handles.DrawBezier(m_Points[index].position,
                                       m_Points[(index + 1) % count].position,
                                       m_Points[index].tangentOut,
                                       m_Points[(index + 1) % count].tangentIn,
                                       Color.green,
                                       EditorGUIUtility.whiteTexture,
                                       1f);
                }

                if (!m_IsEditing)
                {
                    continue;
                }

                // If the index is selected show the full transform gizmo, otherwise use free move handles
                if (m_currentHandle == index)
                {
                    BezierPoint point = m_Points[index];

                    if (!m_currentHandle.isTangent)
                    {
                        Vector3 prev = point.position;

                        prev = Handles.PositionHandle(prev, Quaternion.identity);

                        if (!Math.Approx3(prev, point.position))
                        {
                            if (!m_IsMoving)
                            {
                                OnBeginVertexModification();
                            }

                            prev = EditorSnapping.MoveSnap(prev);

                            Vector3 dir = prev - point.position;
                            point.position    = prev;
                            point.tangentIn  += dir;
                            point.tangentOut += dir;
                        }

                        // rotation
                        int     prev_index = index > 0 ? index - 1 : (m_CloseLoop ? count - 1 : -1);
                        int     next_index = index < count - 1 ? index + 1 : (m_CloseLoop ? 0 : -1);
                        Vector3 rd         = BezierPoint.GetLookDirection(m_Points, index, prev_index, next_index);

                        Quaternion look = Quaternion.LookRotation(rd);
                        float      size = HandleUtility.GetHandleSize(point.position);
                        Matrix4x4  pm   = Handles.matrix;
                        Handles.matrix = pm * Matrix4x4.TRS(point.position, look, Vector3.one);
                        point.rotation = Handles.Disc(point.rotation, Vector3.zero, Vector3.forward, size, false, 0f);
                        Handles.matrix = pm;
                    }
                    else
                    {
                        Handles.color = bezierTangentHandleColor;

                        if (m_currentHandle.tangent == BezierTangentDirection.In && (m_CloseLoop || index > 0))
                        {
                            EditorGUI.BeginChangeCheck();
                            point.tangentIn = Handles.PositionHandle(point.tangentIn, Quaternion.identity);
                            if (EditorGUI.EndChangeCheck())
                            {
                                if (!m_IsMoving)
                                {
                                    OnBeginVertexModification();
                                }

                                point.tangentIn = EditorSnapping.MoveSnap(point.tangentIn);
                                point.EnforceTangentMode(BezierTangentDirection.In, m_TangentMode);
                            }
                            Handles.color = Color.blue;
                            Handles.DrawLine(m_Points[index].position, m_Points[index].tangentIn);
                        }

                        if (m_currentHandle.tangent == BezierTangentDirection.Out && (m_CloseLoop || index < count - 1))
                        {
                            EditorGUI.BeginChangeCheck();
                            point.tangentOut = Handles.PositionHandle(point.tangentOut, Quaternion.identity);
                            if (EditorGUI.EndChangeCheck())
                            {
                                if (!m_IsMoving)
                                {
                                    OnBeginVertexModification();
                                }

                                point.tangentOut = EditorSnapping.MoveSnap(point.tangentOut);
                                point.EnforceTangentMode(BezierTangentDirection.Out, m_TangentMode);
                            }
                            Handles.color = Color.red;
                            Handles.DrawLine(m_Points[index].position, m_Points[index].tangentOut);
                        }
                    }

                    m_Points[index] = point;
                }
            }

            if (!m_IsEditing)
            {
                return;
            }

            EventType eventType = e.type;

            if (!eventHasBeenUsed)
            {
                eventHasBeenUsed = eventType == EventType.Used;
            }

            for (int index = 0; index < count; index++)
            {
                Vector3     prev;
                BezierPoint point = m_Points[index];

                // Position Handle
                float size = HandleUtility.GetHandleSize(point.position) * k_HandleSize;
                Handles.color = bezierPositionHandleColor;

                if (m_currentHandle == index && !m_currentHandle.isTangent)
                {
                    Handles.DotHandleCap(0, point.position, Quaternion.identity, size, e.type);
                }
                else
                {
                    prev = point.position;
                    prev = Handles.FreeMoveHandle(prev, Quaternion.identity, size, Vector3.zero, Handles.DotHandleCap);
                    if (!eventHasBeenUsed && eventType == EventType.MouseUp && e.type == EventType.Used)
                    {
                        eventHasBeenUsed = true;
                        m_currentHandle  = (BezierHandle)index;
                        Repaint();
                        SceneView.RepaintAll();
                    }
                    else if (!Math.Approx3(prev, point.position))
                    {
                        if (!m_IsMoving)
                        {
                            OnBeginVertexModification();
                        }

                        point.SetPosition(EditorSnapping.MoveSnap(prev));
                    }
                }

                // Tangent handles
                Handles.color = bezierTangentHandleColor;

                // Tangent In Handle
                if (m_CloseLoop || index > 0)
                {
                    size = HandleUtility.GetHandleSize(point.tangentIn) * k_HandleSize;
                    Handles.DrawLine(point.position, point.tangentIn);

                    if (index == m_currentHandle && m_currentHandle.isTangent && m_currentHandle.tangent == BezierTangentDirection.In)
                    {
                        Handles.DotHandleCap(0, point.tangentIn, Quaternion.identity, size, e.type);
                    }
                    else
                    {
                        prev = point.tangentIn;
                        prev = Handles.FreeMoveHandle(prev, Quaternion.identity, size, Vector3.zero, Handles.DotHandleCap);

                        if (!eventHasBeenUsed && eventType == EventType.MouseUp && e.type == EventType.Used)
                        {
                            eventHasBeenUsed = true;
                            m_currentHandle.SetIndexAndTangent(index, BezierTangentDirection.In);
                            Repaint();
                            SceneView.RepaintAll();
                        }
                        else if (!Math.Approx3(prev, point.tangentIn))
                        {
                            if (!m_IsMoving)
                            {
                                OnBeginVertexModification();
                            }
                            point.tangentIn = EditorSnapping.MoveSnap(prev);
                            point.EnforceTangentMode(BezierTangentDirection.In, m_TangentMode);
                        }
                    }
                }

                // Tangent Out
                if (m_CloseLoop || index < count - 1)
                {
                    size = HandleUtility.GetHandleSize(point.tangentOut) * k_HandleSize;
                    Handles.DrawLine(point.position, point.tangentOut);

                    if (index == m_currentHandle && m_currentHandle.isTangent && m_currentHandle.tangent == BezierTangentDirection.Out)
                    {
                        Handles.DotHandleCap(0, point.tangentOut, Quaternion.identity, size, e.type);
                    }
                    else
                    {
                        prev = point.tangentOut;
                        prev = Handles.FreeMoveHandle(prev, Quaternion.identity, size, Vector3.zero, Handles.DotHandleCap);

                        if (!eventHasBeenUsed && eventType == EventType.MouseUp && e.type == EventType.Used)
                        {
                            eventHasBeenUsed = true;
                            m_currentHandle.SetIndexAndTangent(index, BezierTangentDirection.Out);
                            Repaint();
                            SceneView.RepaintAll();
                        }
                        else if (!Math.Approx3(prev, point.tangentOut))
                        {
                            if (!m_IsMoving)
                            {
                                OnBeginVertexModification();
                            }
                            point.tangentOut = EditorSnapping.MoveSnap(prev);
                            point.EnforceTangentMode(BezierTangentDirection.Out, m_TangentMode);
                        }
                    }
                }

                m_Points[index] = point;
            }

            // Do control point insertion
            if (!eventHasBeenUsed && m_ControlPoints != null && m_ControlPoints.Count > 1)
            {
                int   index = -1;
                float distanceToLine;

                Vector3 p = EditorHandleUtility.ClosestPointToPolyLine(m_ControlPoints, out index, out distanceToLine, false, null);

                if (!IsHoveringHandlePoint(e.mousePosition) && distanceToLine < PreferenceKeys.k_MaxPointDistanceFromControl)
                {
                    Handles.color = Color.green;
                    Handles.DotHandleCap(-1, p, Quaternion.identity, HandleUtility.GetHandleSize(p) * .05f, e.type);
                    Handles.color = Color.white;

                    if (!eventHasBeenUsed && eventType == EventType.MouseDown && e.button == 0)
                    {
                        UndoUtility.RecordObject(m_Target, "Add Point");
                        Vector3 dir = m_ControlPoints[(index + 1) % m_ControlPoints.Count] - m_ControlPoints[index];
                        m_Points.Insert((index / m_Columns) + 1, new BezierPoint(p, p - dir, p + dir, Quaternion.identity));
                        UpdateMesh(true);
                        e.Use();
                    }

                    SceneView.RepaintAll();
                }
            }

            if (e.type == EventType.MouseUp && !sceneViewInUse)
            {
                m_currentHandle.SetIndex(-1);
            }

            Handles.matrix = handleMatrix;

            if (EditorGUI.EndChangeCheck())
            {
                UpdateMesh(false);
            }
        }
        void OnSceneGUI(SceneView sceneView)
        {
            SceneStyles.Init();

            m_CurrentEvent = Event.current;

            EditorHandleDrawing.DrawSceneHandles(SceneDragAndDropListener.isDragging ? SelectMode.None : selectMode);

            DrawHandleGUI(sceneView);

            if (m_CurrentEvent.type == EventType.KeyDown)
            {
                // Escape isn't assignable as a shortcut
                if (m_CurrentEvent.keyCode == KeyCode.Escape && selectMode != SelectMode.Object)
                {
                    selectMode = SelectMode.Object;

                    m_IsDragging          = false;
                    m_IsReadyForMouseDrag = false;

                    m_CurrentEvent.Use();
                }
            }

            if (selectMode == SelectMode.Object)
            {
                return;
            }

            bool pathSelectionModifier = EditorHandleUtility.IsSelectionPathModifier(m_CurrentEvent.modifiers);

            // Check mouse position in scene and determine if we should highlight something
            if (s_ShowHoverHighlight &&
                selectMode.IsMeshElementMode() &&
                (m_CurrentEvent.type == EventType.MouseMove ||
                 (m_wasSelectingPath != pathSelectionModifier && m_CurrentEvent.isKey)))
            {
                m_Hovering.CopyTo(m_HoveringPrevious);
                if (GUIUtility.hotControl != 0 ||
                    EditorSceneViewPicker.MouseRayHitTest(m_CurrentEvent.mousePosition, selectMode, m_ScenePickerPreferences, m_Hovering) > ScenePickerPreferences.maxPointerDistance)
                {
                    m_Hovering.Clear();
                }

                if (!m_Hovering.Equals(m_HoveringPrevious))
                {
                    if (pathSelectionModifier)
                    {
                        EditorSceneViewPicker.DoMouseHover(m_Hovering);
                    }

                    SceneView.RepaintAll();
                }
            }

            m_wasSelectingPath = pathSelectionModifier;

            if (Tools.current == Tool.View)
            {
                return;
            }

            switch (m_CurrentEvent.type)
            {
            case EventType.ValidateCommand:
            case EventType.ExecuteCommand:
                bool execute = m_CurrentEvent.type == EventType.ExecuteCommand;
                switch (m_CurrentEvent.commandName)
                {
                case "SelectAll":
                    if (execute)
                    {
                        SelectAll();
                    }
                    m_CurrentEvent.Use();
                    break;

                case "DeselectAll":
                    if (execute)
                    {
                        DeselectAll();
                    }
                    m_CurrentEvent.Use();
                    break;

                case "InvertSelection":
                    if (execute)
                    {
                        InvertSelection();
                    }
                    m_CurrentEvent.Use();
                    break;
                }
                break;
            }

            if (EditorHandleUtility.SceneViewInUse(m_CurrentEvent))
            {
                if (m_IsDragging)
                {
                    m_IsDragging = false;
                }

                if (GUIUtility.hotControl == m_DefaultControl)
                {
                    GUIUtility.hotControl = 0;
                }

                return;
            }

            // This prevents us from selecting other objects in the scene,
            // and allows for the selection of faces / vertices.
            m_DefaultControl = GUIUtility.GetControlID(FocusType.Passive);
            if (Event.current.type == EventType.Layout)
            {
                HandleUtility.AddDefaultControl(m_DefaultControl);
            }

            if (m_CurrentEvent.type == EventType.MouseDown && HandleUtility.nearestControl == m_DefaultControl)
            {
                // double clicking object
                if (m_CurrentEvent.clickCount > 1)
                {
                    DoubleClick(m_CurrentEvent);
                }

                m_InitialMousePosition = m_CurrentEvent.mousePosition;
                // readyForMouseDrag prevents a bug wherein after ending a drag an errant
                // MouseDrag event is sent with no corresponding MouseDown/MouseUp event.
                m_IsReadyForMouseDrag = true;

                GUIUtility.hotControl = m_DefaultControl;
            }

            if (m_CurrentEvent.type == EventType.MouseDrag && m_IsReadyForMouseDrag && GUIUtility.hotControl == m_DefaultControl)
            {
                if (!m_IsDragging && Vector2.Distance(m_CurrentEvent.mousePosition, m_InitialMousePosition) > k_MouseDragThreshold)
                {
                    sceneView.Repaint();
                    m_IsDragging = true;
                }
            }

            if (m_CurrentEvent.type == EventType.Ignore)
            {
                if (m_IsDragging)
                {
                    m_IsReadyForMouseDrag = false;
                    m_IsDragging          = false;
                    EditorSceneViewPicker.DoMouseDrag(m_MouseDragRect, selectMode, m_ScenePickerPreferences);
                }

                if (m_WasDoubleClick)
                {
                    m_WasDoubleClick = false;
                }

                if (GUIUtility.hotControl == m_DefaultControl)
                {
                    GUIUtility.hotControl = 0;
                }
            }

            if (m_CurrentEvent.type == EventType.MouseUp && GUIUtility.hotControl == m_DefaultControl)
            {
                GUIUtility.hotControl = 0;

                if (m_WasDoubleClick)
                {
                    m_WasDoubleClick = false;
                }
                else
                {
                    if (!m_IsDragging)
                    {
                        if (UVEditor.instance)
                        {
                            UVEditor.instance.ResetUserPivot();
                        }

                        EditorSceneViewPicker.DoMouseClick(m_CurrentEvent, selectMode, m_ScenePickerPreferences);
                        UpdateSelection();
                    }
                    else
                    {
                        m_IsDragging          = false;
                        m_IsReadyForMouseDrag = false;

                        if (UVEditor.instance)
                        {
                            UVEditor.instance.ResetUserPivot();
                        }

                        EditorSceneViewPicker.DoMouseDrag(m_MouseDragRect, selectMode, m_ScenePickerPreferences);

                        if (GUIUtility.hotControl == m_DefaultControl)
                        {
                            GUIUtility.hotControl = 0;
                        }
                    }
                }
            }
        }
Exemplo n.º 9
0
        void OnSceneGUI(SceneView sceneView)
        {
            SceneStyles.Init();

            m_CurrentEvent = Event.current;

            EditorHandleDrawing.DrawSceneHandles(SceneDragAndDropListener.isDragging ? SelectMode.None : selectMode);

            DrawHandleGUI(sceneView);

            if (m_CurrentEvent.type == EventType.KeyDown)
            {
                // Escape isn't assignable as a shortcut
                if (m_CurrentEvent.keyCode == KeyCode.Escape && selectMode != SelectMode.Object)
                {
                    selectMode = SelectMode.Object;

                    m_IsDragging          = false;
                    m_IsReadyForMouseDrag = false;

                    m_CurrentEvent.Use();
                }
            }

            if (selectMode == SelectMode.Object)
            {
                return;
            }

            bool pathSelectionModifier = EditorHandleUtility.IsSelectionPathModifier(m_CurrentEvent.modifiers);

            // Check mouse position in scene and determine if we should highlight something
            if (s_ShowHoverHighlight &&
                selectMode.IsMeshElementMode() &&
                (m_CurrentEvent.type == EventType.MouseMove ||
                 (m_wasSelectingPath != pathSelectionModifier && m_CurrentEvent.isKey)))
            {
                m_Hovering.CopyTo(m_HoveringPrevious);
                if (GUIUtility.hotControl != 0 ||
                    EditorSceneViewPicker.MouseRayHitTest(m_CurrentEvent.mousePosition, selectMode, m_ScenePickerPreferences, m_Hovering) > ScenePickerPreferences.maxPointerDistance)
                {
                    m_Hovering.Clear();
                }

                if (!m_Hovering.Equals(m_HoveringPrevious))
                {
                    if (pathSelectionModifier)
                    {
                        EditorSceneViewPicker.DoMouseHover(m_Hovering);
                    }

                    SceneView.RepaintAll();
                }
            }

            m_wasSelectingPath = pathSelectionModifier;

            if (Tools.current == Tool.View)
            {
                return;
            }

            switch (m_CurrentEvent.type)
            {
            case EventType.ValidateCommand:
            case EventType.ExecuteCommand:
                bool execute = m_CurrentEvent.type == EventType.ExecuteCommand;
                switch (m_CurrentEvent.commandName)
                {
                case "SelectAll":
                    if (execute)
                    {
                        SelectAll();
                    }
                    m_CurrentEvent.Use();
                    break;

                case "DeselectAll":
                    if (execute)
                    {
                        DeselectAll();
                    }
                    m_CurrentEvent.Use();
                    break;

                case "InvertSelection":
                    if (execute)
                    {
                        InvertSelection();
                    }
                    m_CurrentEvent.Use();
                    break;
                }
                break;
            }

            if (EditorHandleUtility.SceneViewInUse(m_CurrentEvent))
            {
                if (m_IsDragging)
                {
                    m_IsDragging = false;
                }

                if (GUIUtility.hotControl == m_DefaultControl)
                {
                    GUIUtility.hotControl = 0;
                }

                return;
            }

            // This prevents us from selecting other objects in the scene,
            // and allows for the selection of faces / vertices.
            m_DefaultControl = GUIUtility.GetControlID(FocusType.Passive);
            if (Event.current.type == EventType.Layout)
            {
                HandleUtility.AddDefaultControl(m_DefaultControl);
            }

            HandleMouseEvent(sceneView, m_DefaultControl);
        }