Ejemplo n.º 1
0
        private void DrawNodes()
        {
            Event e = Event.current;

            if (e.type == EventType.Layout)
            {
                selectionCache = new List <UnityEngine.Object>(Selection.objects);
            }

            System.Reflection.MethodInfo onValidate = null;
            if (Selection.activeObject != null && Selection.activeObject is XNode.Node)
            {
                onValidate = Selection.activeObject.GetType().GetMethod("OnValidate");
                if (onValidate != null)
                {
                    EditorGUI.BeginChangeCheck();
                }
            }

            BeginZoomed(position, zoom, topPadding);

            Vector2 mousePos = Event.current.mousePosition;

            if (e.type != EventType.Layout)
            {
                hoveredNode = null;
                hoveredPort = null;
            }

            List <UnityEngine.Object> preSelection = preBoxSelection != null ? new List <UnityEngine.Object>(preBoxSelection) : new List <UnityEngine.Object>();

            // Selection box stuff
            Vector2 boxStartPos = GridToWindowPositionNoClipped(dragBoxStart);
            Vector2 boxSize     = mousePos - boxStartPos;

            if (boxSize.x < 0)
            {
                boxStartPos.x += boxSize.x; boxSize.x = Mathf.Abs(boxSize.x);
            }
            if (boxSize.y < 0)
            {
                boxStartPos.y += boxSize.y; boxSize.y = Mathf.Abs(boxSize.y);
            }
            Rect selectionBox = new Rect(boxStartPos, boxSize);

            //Save guiColor so we can revert it
            Color guiColor = GUI.color;

            if (e.type == EventType.Layout)
            {
                culledNodes = new List <XNode.Node>();
            }
            for (int n = 0; n < graph.nodes.Count; n++)
            {
                // Skip null nodes. The user could be in the process of renaming scripts, so removing them at this point is not advisable.
                if (graph.nodes[n] == null)
                {
                    continue;
                }
                if (n >= graph.nodes.Count)
                {
                    return;
                }
                XNode.Node node = graph.nodes[n];

                // Culling
                if (e.type == EventType.Layout)
                {
                    // Cull unselected nodes outside view
                    if (!Selection.Contains(node) && ShouldBeCulled(node))
                    {
                        culledNodes.Add(node);
                        continue;
                    }
                }
                else if (culledNodes.Contains(node))
                {
                    continue;
                }

                if (e.type == EventType.Repaint)
                {
                    _portConnectionPoints = _portConnectionPoints.Where(x => x.Key.node != node).ToDictionary(kvp => kvp.Key, kvp => kvp.Value);
                }

                NodeEditor nodeEditor = NodeEditor.GetEditor(node);

                NodeEditor.portPositions = new Dictionary <XNode.NodePort, Vector2>();

                //Get node position
                Vector2 nodePos = GridToWindowPositionNoClipped(node.position);

                GUILayout.BeginArea(new Rect(nodePos, new Vector2(nodeEditor.GetWidth(), 4000)));

                bool selected = selectionCache.Contains(graph.nodes[n]);

                if (selected)
                {
                    GUIStyle style          = new GUIStyle(nodeEditor.GetBodyStyle());
                    GUIStyle highlightStyle = new GUIStyle(NodeEditorResources.styles.nodeHighlight);
                    highlightStyle.padding = style.padding;
                    style.padding          = new RectOffset();
                    GUI.color = nodeEditor.GetTint();
                    GUILayout.BeginVertical(style);
                    GUI.color = NodeEditorPreferences.GetSettings().highlightColor;
                    GUILayout.BeginVertical(new GUIStyle(highlightStyle));
                }
                else
                {
                    GUIStyle style = new GUIStyle(nodeEditor.GetBodyStyle());
                    GUI.color = nodeEditor.GetTint();
                    GUILayout.BeginVertical(style);
                }

                GUI.color = guiColor;
                EditorGUI.BeginChangeCheck();

                //Draw node contents
                nodeEditor.OnHeaderGUI();
                nodeEditor.OnBodyGUI();

                //If user changed a value, notify other scripts through onUpdateNode
                if (EditorGUI.EndChangeCheck())
                {
                    if (NodeEditor.onUpdateNode != null)
                    {
                        NodeEditor.onUpdateNode(node);
                    }
                    EditorUtility.SetDirty(node);
                    nodeEditor.serializedObject.ApplyModifiedProperties();
                }

                GUILayout.EndVertical();

                //Cache data about the node for next frame
                if (e.type == EventType.Repaint)
                {
                    Vector2 size = GUILayoutUtility.GetLastRect().size;
                    if (nodeSizes.ContainsKey(node))
                    {
                        nodeSizes[node] = size;
                    }
                    else
                    {
                        nodeSizes.Add(node, size);
                    }

                    foreach (var kvp in NodeEditor.portPositions)
                    {
                        Vector2 portHandlePos = kvp.Value;
                        portHandlePos += node.position;
                        Rect rect = new Rect(portHandlePos.x - 8, portHandlePos.y - 8, 16, 16);
                        if (portConnectionPoints.ContainsKey(kvp.Key))
                        {
                            portConnectionPoints[kvp.Key] = rect;
                        }
                        else
                        {
                            portConnectionPoints.Add(kvp.Key, rect);
                        }
                    }
                }

                if (selected)
                {
                    GUILayout.EndVertical();
                }

                if (e.type != EventType.Layout)
                {
                    //Check if we are hovering this node
                    Vector2 nodeSize   = GUILayoutUtility.GetLastRect().size;
                    Rect    windowRect = new Rect(nodePos, nodeSize);
                    if (windowRect.Contains(mousePos))
                    {
                        hoveredNode = node;
                    }

                    //If dragging a selection box, add nodes inside to selection
                    if (currentActivity == NodeActivity.DragGrid)
                    {
                        if (windowRect.Overlaps(selectionBox))
                        {
                            preSelection.Add(node);
                        }
                    }

                    //Check if we are hovering any of this nodes ports
                    //Check input ports
                    foreach (XNode.NodePort input in node.Inputs)
                    {
                        //Check if port rect is available
                        if (!portConnectionPoints.ContainsKey(input))
                        {
                            continue;
                        }
                        Rect r = GridToWindowRectNoClipped(portConnectionPoints[input]);
                        if (r.Contains(mousePos))
                        {
                            hoveredPort = input;
                        }
                    }
                    //Check all output ports
                    foreach (XNode.NodePort output in node.Outputs)
                    {
                        //Check if port rect is available
                        if (!portConnectionPoints.ContainsKey(output))
                        {
                            continue;
                        }
                        Rect r = GridToWindowRectNoClipped(portConnectionPoints[output]);
                        if (r.Contains(mousePos))
                        {
                            hoveredPort = output;
                        }
                    }
                }

                GUILayout.EndArea();
            }

            if (e.type != EventType.Layout && currentActivity == NodeActivity.DragGrid)
            {
                Selection.objects = preSelection.ToArray();
            }
            EndZoomed(position, zoom, topPadding);

            //If a change in is detected in the selected node, call OnValidate method.
            //This is done through reflection because OnValidate is only relevant in editor,
            //and thus, the code should not be included in build.
            if (onValidate != null && EditorGUI.EndChangeCheck())
            {
                onValidate.Invoke(Selection.activeObject, null);
            }
        }
Ejemplo n.º 2
0
        /// <summary> Draw a bezier from startpoint to endpoint, both in grid coordinates </summary>
        public void DrawConnection(Vector2 startPoint, Vector2 endPoint, Color col)
        {
            startPoint = GridToWindowPosition(startPoint);
            endPoint   = GridToWindowPosition(endPoint);

            switch (NodeEditorPreferences.GetSettings().noodleType)
            {
            case NodeEditorPreferences.NoodleType.Curve:
                Vector2 startTangent = startPoint;
                if (startPoint.x < endPoint.x)
                {
                    startTangent.x = Mathf.LerpUnclamped(startPoint.x, endPoint.x, 0.7f);
                }
                else
                {
                    startTangent.x = Mathf.LerpUnclamped(startPoint.x, endPoint.x, -0.7f);
                }

                Vector2 endTangent = endPoint;
                if (startPoint.x > endPoint.x)
                {
                    endTangent.x = Mathf.LerpUnclamped(endPoint.x, startPoint.x, -0.7f);
                }
                else
                {
                    endTangent.x = Mathf.LerpUnclamped(endPoint.x, startPoint.x, 0.7f);
                }
                Handles.DrawBezier(startPoint, endPoint, startTangent, endTangent, col, null, 4);
                break;

            case NodeEditorPreferences.NoodleType.Line:
                Handles.color = col;
                Handles.DrawAAPolyLine(5, startPoint, endPoint);
                break;

            case NodeEditorPreferences.NoodleType.Angled:
                Handles.color = col;
                if (startPoint.x <= endPoint.x - (50 / zoom))
                {
                    float   midpoint = (startPoint.x + endPoint.x) * 0.5f;
                    Vector2 start_1  = startPoint;
                    Vector2 end_1    = endPoint;
                    start_1.x = midpoint;
                    end_1.x   = midpoint;
                    Handles.DrawAAPolyLine(5, startPoint, start_1);
                    Handles.DrawAAPolyLine(5, start_1, end_1);
                    Handles.DrawAAPolyLine(5, end_1, endPoint);
                }
                else
                {
                    float   midpoint = (startPoint.y + endPoint.y) * 0.5f;
                    Vector2 start_1  = startPoint;
                    Vector2 end_1    = endPoint;
                    start_1.x += 25 / zoom;
                    end_1.x   -= 25 / zoom;
                    Vector2 start_2 = start_1;
                    Vector2 end_2   = end_1;
                    start_2.y = midpoint;
                    end_2.y   = midpoint;
                    Handles.DrawAAPolyLine(5, startPoint, start_1);
                    Handles.DrawAAPolyLine(5, start_1, start_2);
                    Handles.DrawAAPolyLine(5, start_2, end_2);
                    Handles.DrawAAPolyLine(5, end_2, end_1);
                    Handles.DrawAAPolyLine(5, end_1, endPoint);
                }
                break;
            }
        }
Ejemplo n.º 3
0
        /// <summary> Draws all connections </summary>
        public void DrawConnections()
        {
            Vector2 mousePos = Event.current.mousePosition;
            List <RerouteReference> selection = preBoxSelectionReroute != null ? new List <RerouteReference>(preBoxSelectionReroute) : new List <RerouteReference>();

            hoveredReroute = new RerouteReference();

            Color col = GUI.color;

            foreach (XNode.Node node in graph.nodes)
            {
                //If a null node is found, return. This can happen if the nodes associated script is deleted. It is currently not possible in Unity to delete a null asset.
                if (node == null)
                {
                    continue;
                }

                // Draw full connections and output > reroute
                foreach (XNode.NodePort output in node.Outputs)
                {
                    //Needs cleanup. Null checks are ugly
                    Rect fromRect;
                    if (!_portConnectionPoints.TryGetValue(output, out fromRect))
                    {
                        continue;
                    }

                    Color connectionColor = graphEditor.GetTypeColor(output.ValueType);

                    for (int k = 0; k < output.ConnectionCount; k++)
                    {
                        XNode.NodePort input = output.GetConnection(k);

                        // Error handling
                        if (input == null)
                        {
                            continue;                //If a script has been updated and the port doesn't exist, it is removed and null is returned. If this happens, return.
                        }
                        if (!input.IsConnectedTo(output))
                        {
                            input.Connect(output);
                        }
                        Rect toRect;
                        if (!_portConnectionPoints.TryGetValue(input, out toRect))
                        {
                            continue;
                        }

                        Vector2        from          = fromRect.center;
                        Vector2        to            = Vector2.zero;
                        List <Vector2> reroutePoints = output.GetReroutePoints(k);
                        // Loop through reroute points and draw the path
                        for (int i = 0; i < reroutePoints.Count; i++)
                        {
                            to = reroutePoints[i];
                            DrawConnection(from, to, connectionColor);
                            from = to;
                        }
                        to = toRect.center;

                        DrawConnection(from, to, connectionColor);

                        // Loop through reroute points again and draw the points
                        for (int i = 0; i < reroutePoints.Count; i++)
                        {
                            RerouteReference rerouteRef = new RerouteReference(output, k, i);
                            // Draw reroute point at position
                            Rect rect = new Rect(reroutePoints[i], new Vector2(12, 12));
                            rect.position = new Vector2(rect.position.x - 6, rect.position.y - 6);
                            rect          = GridToWindowRect(rect);

                            // Draw selected reroute points with an outline
                            if (selectedReroutes.Contains(rerouteRef))
                            {
                                GUI.color = NodeEditorPreferences.GetSettings().highlightColor;
                                GUI.DrawTexture(rect, NodeEditorResources.dotOuter);
                            }

                            GUI.color = connectionColor;
                            GUI.DrawTexture(rect, NodeEditorResources.dot);
                            if (rect.Overlaps(selectionBox))
                            {
                                selection.Add(rerouteRef);
                            }
                            if (rect.Contains(mousePos))
                            {
                                hoveredReroute = rerouteRef;
                            }
                        }
                    }
                }
            }
            GUI.color = col;
            if (Event.current.type != EventType.Layout && currentActivity == NodeActivity.DragGrid)
            {
                selectedReroutes = selection;
            }
        }
Ejemplo n.º 4
0
        public void Controls()
        {
            wantsMouseMove = true;
            Event e = Event.current;

            switch (e.type)
            {
            case EventType.MouseMove:
                break;

            case EventType.ScrollWheel:
                if (e.delta.y > 0)
                {
                    zoom += 0.1f * zoom;
                }
                else
                {
                    zoom -= 0.1f * zoom;
                }
                break;

            case EventType.MouseDrag:
                if (e.button == 0)
                {
                    if (IsDraggingPort)
                    {
                        if (IsHoveringPort && hoveredPort.IsInput)
                        {
                            if (!draggedOutput.IsConnectedTo(hoveredPort))
                            {
                                draggedOutputTarget = hoveredPort;
                            }
                        }
                        else
                        {
                            draggedOutputTarget = null;
                        }
                        Repaint();
                    }
                    else if (currentActivity == NodeActivity.HoldNode)
                    {
                        RecalculateDragOffsets(e);
                        currentActivity = NodeActivity.DragNode;
                        Repaint();
                    }
                    if (currentActivity == NodeActivity.DragNode)
                    {
                        // Holding ctrl inverts grid snap
                        bool gridSnap = NodeEditorPreferences.GetSettings().gridSnap;
                        if (e.control)
                        {
                            gridSnap = !gridSnap;
                        }

                        Vector2 mousePos = WindowToGridPosition(e.mousePosition);
                        // Move selected nodes with offset
                        for (int i = 0; i < Selection.objects.Length; i++)
                        {
                            if (Selection.objects[i] is XNode.Node)
                            {
                                XNode.Node node    = Selection.objects[i] as XNode.Node;
                                Vector2    initial = node.position;
                                node.position = mousePos + dragOffset[i];
                                if (gridSnap)
                                {
                                    node.position.x = (Mathf.Round((node.position.x + 8) / 16) * 16) - 8;
                                    node.position.y = (Mathf.Round((node.position.y + 8) / 16) * 16) - 8;
                                }

                                // Offset portConnectionPoints instantly if a node is dragged so they aren't delayed by a frame.
                                Vector2 offset = node.position - initial;
                                if (offset.sqrMagnitude > 0)
                                {
                                    foreach (XNode.NodePort output in node.Outputs)
                                    {
                                        Rect rect;
                                        if (portConnectionPoints.TryGetValue(output, out rect))
                                        {
                                            rect.position += offset;
                                            portConnectionPoints[output] = rect;
                                        }
                                    }

                                    foreach (XNode.NodePort input in node.Inputs)
                                    {
                                        Rect rect;
                                        if (portConnectionPoints.TryGetValue(input, out rect))
                                        {
                                            rect.position += offset;
                                            portConnectionPoints[input] = rect;
                                        }
                                    }
                                }
                            }
                        }
                        // Move selected reroutes with offset
                        for (int i = 0; i < selectedReroutes.Count; i++)
                        {
                            Vector2 pos = mousePos + dragOffset[Selection.objects.Length + i];
                            if (gridSnap)
                            {
                                pos.x = (Mathf.Round(pos.x / 16) * 16);
                                pos.y = (Mathf.Round(pos.y / 16) * 16);
                            }
                            selectedReroutes[i].SetPoint(pos);
                        }
                        Repaint();
                    }
                    else if (currentActivity == NodeActivity.HoldGrid)
                    {
                        currentActivity        = NodeActivity.DragGrid;
                        preBoxSelection        = Selection.objects;
                        preBoxSelectionReroute = selectedReroutes.ToArray();
                        dragBoxStart           = WindowToGridPosition(e.mousePosition);
                        Repaint();
                    }
                    else if (currentActivity == NodeActivity.DragGrid)
                    {
                        Vector2 boxStartPos = GridToWindowPosition(dragBoxStart);
                        Vector2 boxSize     = e.mousePosition - boxStartPos;
                        if (boxSize.x < 0)
                        {
                            boxStartPos.x += boxSize.x; boxSize.x = Mathf.Abs(boxSize.x);
                        }
                        if (boxSize.y < 0)
                        {
                            boxStartPos.y += boxSize.y; boxSize.y = Mathf.Abs(boxSize.y);
                        }
                        selectionBox = new Rect(boxStartPos, boxSize);
                        Repaint();
                    }
                }
                else if (e.button == 1 || e.button == 2)
                {
                    Vector2 tempOffset = panOffset;
                    tempOffset += e.delta * zoom;
                    // Round value to increase crispyness of UI text
                    tempOffset.x = Mathf.Round(tempOffset.x);
                    tempOffset.y = Mathf.Round(tempOffset.y);
                    panOffset    = tempOffset;
                    isPanning    = true;
                }
                break;

            case EventType.MouseDown:
                Repaint();
                if (e.button == 0)
                {
                    draggedOutputReroutes.Clear();

                    if (IsHoveringPort)
                    {
                        if (hoveredPort.IsOutput)
                        {
                            draggedOutput = hoveredPort;
                        }
                        else
                        {
                            hoveredPort.VerifyConnections();
                            if (hoveredPort.IsConnected)
                            {
                                XNode.Node     node   = hoveredPort.node;
                                XNode.NodePort output = hoveredPort.Connection;
                                int            outputConnectionIndex = output.GetConnectionIndex(hoveredPort);
                                draggedOutputReroutes = output.GetReroutePoints(outputConnectionIndex);
                                hoveredPort.Disconnect(output);
                                draggedOutput       = output;
                                draggedOutputTarget = hoveredPort;
                                if (NodeEditor.onUpdateNode != null)
                                {
                                    NodeEditor.onUpdateNode(node);
                                }
                            }
                        }
                    }
                    else if (IsHoveringNode && IsHoveringTitle(hoveredNode))
                    {
                        // If mousedown on node header, select or deselect
                        if (!Selection.Contains(hoveredNode))
                        {
                            SelectNode(hoveredNode, e.control || e.shift);
                            if (!e.control && !e.shift)
                            {
                                selectedReroutes.Clear();
                            }
                        }
                        else if (e.control || e.shift)
                        {
                            DeselectNode(hoveredNode);
                        }
                        e.Use();
                        currentActivity = NodeActivity.HoldNode;
                    }
                    else if (IsHoveringReroute)
                    {
                        // If reroute isn't selected
                        if (!selectedReroutes.Contains(hoveredReroute))
                        {
                            // Add it
                            if (e.control || e.shift)
                            {
                                selectedReroutes.Add(hoveredReroute);
                            }
                            // Select it
                            else
                            {
                                selectedReroutes = new List <RerouteReference>()
                                {
                                    hoveredReroute
                                };
                                Selection.activeObject = null;
                            }
                        }
                        // Deselect
                        else if (e.control || e.shift)
                        {
                            selectedReroutes.Remove(hoveredReroute);
                        }
                        e.Use();
                        currentActivity = NodeActivity.HoldNode;
                    }
                    // If mousedown on grid background, deselect all
                    else if (!IsHoveringNode)
                    {
                        currentActivity = NodeActivity.HoldGrid;
                        if (!e.control && !e.shift)
                        {
                            selectedReroutes.Clear();
                            Selection.activeObject = null;
                        }
                    }
                }
                break;

            case EventType.MouseUp:
                if (e.button == 0)
                {
                    //Port drag release
                    if (IsDraggingPort)
                    {
                        //If connection is valid, save it
                        if (draggedOutputTarget != null)
                        {
                            XNode.Node node = draggedOutputTarget.node;
                            if (graph.nodes.Count != 0)
                            {
                                draggedOutput.Connect(draggedOutputTarget);
                            }

                            // ConnectionIndex can be -1 if the connection is removed instantly after creation
                            int connectionIndex = draggedOutput.GetConnectionIndex(draggedOutputTarget);
                            if (connectionIndex != -1)
                            {
                                draggedOutput.GetReroutePoints(connectionIndex).AddRange(draggedOutputReroutes);
                                if (NodeEditor.onUpdateNode != null)
                                {
                                    NodeEditor.onUpdateNode(node);
                                }
                                EditorUtility.SetDirty(graph);
                            }
                        }
                        //Release dragged connection
                        draggedOutput       = null;
                        draggedOutputTarget = null;
                        EditorUtility.SetDirty(graph);
                        if (NodeEditorPreferences.GetSettings().autoSave)
                        {
                            AssetDatabase.SaveAssets();
                        }
                    }
                    else if (currentActivity == NodeActivity.DragNode)
                    {
                        IEnumerable <XNode.Node> nodes = Selection.objects.Where(x => x is XNode.Node).Select(x => x as XNode.Node);
                        foreach (XNode.Node node in nodes)
                        {
                            EditorUtility.SetDirty(node);
                        }
                        if (NodeEditorPreferences.GetSettings().autoSave)
                        {
                            AssetDatabase.SaveAssets();
                        }
                    }
                    else if (!IsHoveringNode)
                    {
                        // If click outside node, release field focus
                        if (!isPanning)
                        {
                            EditorGUI.FocusTextInControl(null);
                        }
                        if (NodeEditorPreferences.GetSettings().autoSave)
                        {
                            AssetDatabase.SaveAssets();
                        }
                    }

                    // If click node header, select it.
                    if (currentActivity == NodeActivity.HoldNode && !(e.control || e.shift))
                    {
                        selectedReroutes.Clear();
                        SelectNode(hoveredNode, false);
                    }

                    // If click reroute, select it.
                    if (IsHoveringReroute && !(e.control || e.shift))
                    {
                        selectedReroutes = new List <RerouteReference>()
                        {
                            hoveredReroute
                        };
                        Selection.activeObject = null;
                    }

                    Repaint();
                    currentActivity = NodeActivity.Idle;
                }
                else if (e.button == 1 || e.button == 2)
                {
                    if (!isPanning)
                    {
                        if (IsDraggingPort)
                        {
                            draggedOutputReroutes.Add(WindowToGridPosition(e.mousePosition));
                        }
                        else if (currentActivity == NodeActivity.DragNode && Selection.activeObject == null && selectedReroutes.Count == 1)
                        {
                            selectedReroutes[0].InsertPoint(selectedReroutes[0].GetPoint());
                            selectedReroutes[0] = new RerouteReference(selectedReroutes[0].port, selectedReroutes[0].connectionIndex, selectedReroutes[0].pointIndex + 1);
                        }
                        else if (IsHoveringReroute)
                        {
                            ShowRerouteContextMenu(hoveredReroute);
                        }
                        else if (IsHoveringPort)
                        {
                            ShowPortContextMenu(hoveredPort);
                        }
                        else if (IsHoveringNode && IsHoveringTitle(hoveredNode))
                        {
                            if (!Selection.Contains(hoveredNode))
                            {
                                SelectNode(hoveredNode, false);
                            }
                            ShowNodeContextMenu();
                        }
                        else if (!IsHoveringNode)
                        {
                            ShowGraphContextMenu();
                        }
                    }
                    isPanning = false;
                }
                break;

            case EventType.KeyDown:
                if (EditorGUIUtility.editingTextField)
                {
                    break;
                }
                else if (e.keyCode == KeyCode.F)
                {
                    Home();
                }
                if (SystemInfo.operatingSystemFamily == OperatingSystemFamily.MacOSX)
                {
                    if (e.keyCode == KeyCode.Return)
                    {
                        RenameSelectedNode();
                    }
                }
                else
                {
                    if (e.keyCode == KeyCode.F2)
                    {
                        RenameSelectedNode();
                    }
                }
                break;

            case EventType.ValidateCommand:
                if (e.commandName == "SoftDelete")
                {
                    RemoveSelectedNodes();
                }
                else if (SystemInfo.operatingSystemFamily == OperatingSystemFamily.MacOSX && e.commandName == "Delete")
                {
                    RemoveSelectedNodes();
                }
                else if (e.commandName == "Duplicate")
                {
                    DublicateSelectedNodes();
                }
                Repaint();
                break;

            case EventType.Ignore:
                // If release mouse outside window
                if (e.rawType == EventType.MouseUp && currentActivity == NodeActivity.DragGrid)
                {
                    Repaint();
                    currentActivity = NodeActivity.Idle;
                }
                break;
            }
        }
Ejemplo n.º 5
0
        public void Controls()
        {
            wantsMouseMove = true;
            Event e = Event.current;

            switch (e.type)
            {
            case EventType.DragUpdated:
            case EventType.DragPerform:
                DragAndDrop.visualMode = DragAndDropVisualMode.Generic;
                if (e.type == EventType.DragPerform)
                {
                    DragAndDrop.AcceptDrag();
                    graphEditor.OnDropObjects(DragAndDrop.objectReferences);
                }
                break;

            case EventType.MouseMove:
                //Keyboard commands will not get correct mouse position from Event
                lastMousePosition = e.mousePosition;
                break;

            case EventType.ScrollWheel:
                float oldZoom = zoom;
                if (e.delta.y > 0)
                {
                    zoom += 0.1f * zoom;
                }
                else
                {
                    zoom -= 0.1f * zoom;
                }
                if (NodeEditorPreferences.GetSettings().zoomToMouse)
                {
                    panOffset += (1 - oldZoom / zoom) * (WindowToGridPosition(e.mousePosition) + panOffset);
                }
                break;

            case EventType.MouseDrag:
                if (e.button == 0)
                {
                    if (IsDraggingPort)
                    {
                        // Set target even if we can't connect, so as to prevent auto-conn menu from opening erroneously
                        if (IsHoveringPort && hoveredPort.IsInput && !draggedOutput.IsConnectedTo(hoveredPort))
                        {
                            draggedOutputTarget = hoveredPort;
                        }
                        else
                        {
                            draggedOutputTarget = null;
                        }
                        Repaint();
                    }
                    else if (currentActivity == NodeActivity.HoldNode)
                    {
                        RecalculateDragOffsets(e);
                        currentActivity = NodeActivity.DragNode;
                        Repaint();
                    }
                    if (currentActivity == NodeActivity.DragNode)
                    {
                        // Holding ctrl inverts grid snap
                        bool gridSnap = NodeEditorPreferences.GetSettings().gridSnap;
                        if (e.control)
                        {
                            gridSnap = !gridSnap;
                        }

                        Vector2 mousePos = WindowToGridPosition(e.mousePosition);
                        // Move selected nodes with offset
                        for (int i = 0; i < Selection.objects.Length; i++)
                        {
                            if (Selection.objects[i] is XNode.Node)
                            {
                                XNode.Node node = Selection.objects[i] as XNode.Node;
                                Undo.RecordObject(node, "Moved Node");
                                Vector2 initial = node.position;
                                node.position = mousePos + dragOffset[i];
                                if (gridSnap)
                                {
                                    node.position.x = (Mathf.Round((node.position.x + 8) / 16) * 16) - 8;
                                    node.position.y = (Mathf.Round((node.position.y + 8) / 16) * 16) - 8;
                                }

                                // Offset portConnectionPoints instantly if a node is dragged so they aren't delayed by a frame.
                                Vector2 offset = node.position - initial;
                                if (offset.sqrMagnitude > 0)
                                {
                                    foreach (XNode.NodePort output in node.Outputs)
                                    {
                                        Rect rect;
                                        if (portConnectionPoints.TryGetValue(output, out rect))
                                        {
                                            rect.position += offset;
                                            portConnectionPoints[output] = rect;
                                        }
                                    }

                                    foreach (XNode.NodePort input in node.Inputs)
                                    {
                                        Rect rect;
                                        if (portConnectionPoints.TryGetValue(input, out rect))
                                        {
                                            rect.position += offset;
                                            portConnectionPoints[input] = rect;
                                        }
                                    }
                                }
                            }
                        }
                        // Move selected reroutes with offset
                        for (int i = 0; i < selectedReroutes.Count; i++)
                        {
                            Vector2 pos = mousePos + dragOffset[Selection.objects.Length + i];
                            if (gridSnap)
                            {
                                pos.x = (Mathf.Round(pos.x / 16) * 16);
                                pos.y = (Mathf.Round(pos.y / 16) * 16);
                            }
                            selectedReroutes[i].SetPoint(pos);
                        }
                        Repaint();
                    }
                    else if (currentActivity == NodeActivity.HoldGrid)
                    {
                        currentActivity        = NodeActivity.DragGrid;
                        preBoxSelection        = Selection.objects;
                        preBoxSelectionReroute = selectedReroutes.ToArray();
                        dragBoxStart           = WindowToGridPosition(e.mousePosition);
                        Repaint();
                    }
                    else if (currentActivity == NodeActivity.DragGrid)
                    {
                        Vector2 boxStartPos = GridToWindowPosition(dragBoxStart);
                        Vector2 boxSize     = e.mousePosition - boxStartPos;
                        if (boxSize.x < 0)
                        {
                            boxStartPos.x += boxSize.x; boxSize.x = Mathf.Abs(boxSize.x);
                        }
                        if (boxSize.y < 0)
                        {
                            boxStartPos.y += boxSize.y; boxSize.y = Mathf.Abs(boxSize.y);
                        }
                        selectionBox = new Rect(boxStartPos, boxSize);
                        Repaint();
                    }
                }
                else if (e.button == 1 || e.button == 2)
                {
                    //check drag threshold for larger screens
                    if (e.delta.magnitude > dragThreshold)
                    {
                        panOffset += e.delta * zoom;
                        isPanning  = true;
                    }
                }
                break;

            case EventType.MouseDown:
                Repaint();
                if (e.button == 0)
                {
                    draggedOutputReroutes.Clear();

                    if (IsHoveringPort)
                    {
                        if (hoveredPort.IsOutput)
                        {
                            draggedOutput     = hoveredPort;
                            autoConnectOutput = hoveredPort;
                        }
                        else
                        {
                            hoveredPort.VerifyConnections();
                            autoConnectOutput = null;
                            if (hoveredPort.IsConnected)
                            {
                                XNode.Node     node   = hoveredPort.node;
                                XNode.NodePort output = hoveredPort.Connection;
                                int            outputConnectionIndex = output.GetConnectionIndex(hoveredPort);
                                draggedOutputReroutes = output.GetReroutePoints(outputConnectionIndex);
                                hoveredPort.Disconnect(output);
                                draggedOutput       = output;
                                draggedOutputTarget = hoveredPort;
                                if (NodeEditor.onUpdateNode != null)
                                {
                                    NodeEditor.onUpdateNode(node);
                                }
                            }
                        }
                    }
                    else if (IsHoveringNode && IsHoveringTitle(hoveredNode))
                    {
                        // If mousedown on node header, select or deselect
                        if (!Selection.Contains(hoveredNode))
                        {
                            SelectNode(hoveredNode, e.control || e.shift);
                            if (!e.control && !e.shift)
                            {
                                selectedReroutes.Clear();
                            }
                        }
                        else if (e.control || e.shift)
                        {
                            DeselectNode(hoveredNode);
                        }

                        // Cache double click state, but only act on it in MouseUp - Except ClickCount only works in mouseDown.
                        isDoubleClick = (e.clickCount == 2);

                        e.Use();
                        currentActivity = NodeActivity.HoldNode;
                    }
                    else if (IsHoveringReroute)
                    {
                        // If reroute isn't selected
                        if (!selectedReroutes.Contains(hoveredReroute))
                        {
                            // Add it
                            if (e.control || e.shift)
                            {
                                selectedReroutes.Add(hoveredReroute);
                            }
                            // Select it
                            else
                            {
                                selectedReroutes = new List <RerouteReference>()
                                {
                                    hoveredReroute
                                };
                                Selection.activeObject = null;
                            }
                        }
                        // Deselect
                        else if (e.control || e.shift)
                        {
                            selectedReroutes.Remove(hoveredReroute);
                        }
                        e.Use();
                        currentActivity = NodeActivity.HoldNode;
                    }
                    // If mousedown on grid background, deselect all
                    else if (!IsHoveringNode)
                    {
                        currentActivity = NodeActivity.HoldGrid;
                        if (!e.control && !e.shift)
                        {
                            selectedReroutes.Clear();
                            Selection.activeObject = null;
                        }
                    }
                }
                break;

            case EventType.MouseUp:
                if (e.button == 0)
                {
                    //Port drag release
                    if (IsDraggingPort)
                    {
                        // If connection is valid, save it
                        if (draggedOutputTarget != null && draggedOutput.CanConnectTo(draggedOutputTarget))
                        {
                            XNode.Node node = draggedOutputTarget.node;
                            if (graph.nodes.Count != 0)
                            {
                                draggedOutput.Connect(draggedOutputTarget);
                            }

                            // ConnectionIndex can be -1 if the connection is removed instantly after creation
                            int connectionIndex = draggedOutput.GetConnectionIndex(draggedOutputTarget);
                            if (connectionIndex != -1)
                            {
                                draggedOutput.GetReroutePoints(connectionIndex).AddRange(draggedOutputReroutes);
                                if (NodeEditor.onUpdateNode != null)
                                {
                                    NodeEditor.onUpdateNode(node);
                                }
                                EditorUtility.SetDirty(graph);
                            }
                        }
                        // Open context menu for auto-connection if there is no target node
                        else if (draggedOutputTarget == null && NodeEditorPreferences.GetSettings().dragToCreate&& autoConnectOutput != null)
                        {
                            GenericMenu menu = new GenericMenu();
                            graphEditor.AddContextMenuItems(menu, draggedOutput.ValueType);
                            menu.DropDown(new Rect(Event.current.mousePosition, Vector2.zero));
                        }
                        //Release dragged connection
                        draggedOutput       = null;
                        draggedOutputTarget = null;
                        EditorUtility.SetDirty(graph);
                        if (NodeEditorPreferences.GetSettings().autoSave)
                        {
                            AssetDatabase.SaveAssets();
                        }
                    }
                    else if (currentActivity == NodeActivity.DragNode)
                    {
                        IEnumerable <XNode.Node> nodes = Selection.objects.Where(x => x is XNode.Node).Select(x => x as XNode.Node);
                        foreach (XNode.Node node in nodes)
                        {
                            EditorUtility.SetDirty(node);
                        }
                        if (NodeEditorPreferences.GetSettings().autoSave)
                        {
                            AssetDatabase.SaveAssets();
                        }
                    }
                    else if (!IsHoveringNode)
                    {
                        // If click outside node, release field focus
                        if (!isPanning)
                        {
                            EditorGUI.FocusTextInControl(null);
                            EditorGUIUtility.editingTextField = false;
                        }
                        if (NodeEditorPreferences.GetSettings().autoSave)
                        {
                            AssetDatabase.SaveAssets();
                        }
                    }

                    // If click node header, select it.
                    if (currentActivity == NodeActivity.HoldNode && !(e.control || e.shift))
                    {
                        selectedReroutes.Clear();
                        SelectNode(hoveredNode, false);

                        // Double click to center node
                        if (isDoubleClick)
                        {
                            Vector2 nodeDimension = nodeSizes.ContainsKey(hoveredNode) ? nodeSizes[hoveredNode] / 2 : Vector2.zero;
                            panOffset = -hoveredNode.position - nodeDimension;
                        }
                    }

                    // If click reroute, select it.
                    if (IsHoveringReroute && !(e.control || e.shift))
                    {
                        selectedReroutes = new List <RerouteReference>()
                        {
                            hoveredReroute
                        };
                        Selection.activeObject = null;
                    }

                    Repaint();
                    currentActivity = NodeActivity.Idle;
                }
                else if (e.button == 1 || e.button == 2)
                {
                    if (!isPanning)
                    {
                        if (IsDraggingPort)
                        {
                            draggedOutputReroutes.Add(WindowToGridPosition(e.mousePosition));
                        }
                        else if (currentActivity == NodeActivity.DragNode && Selection.activeObject == null && selectedReroutes.Count == 1)
                        {
                            selectedReroutes[0].InsertPoint(selectedReroutes[0].GetPoint());
                            selectedReroutes[0] = new RerouteReference(selectedReroutes[0].port, selectedReroutes[0].connectionIndex, selectedReroutes[0].pointIndex + 1);
                        }
                        else if (IsHoveringReroute)
                        {
                            ShowRerouteContextMenu(hoveredReroute);
                        }
                        else if (IsHoveringPort)
                        {
                            ShowPortContextMenu(hoveredPort);
                        }
                        else if (IsHoveringNode && IsHoveringTitle(hoveredNode))
                        {
                            if (!Selection.Contains(hoveredNode))
                            {
                                SelectNode(hoveredNode, false);
                            }
                            autoConnectOutput = null;
                            GenericMenu menu = new GenericMenu();
                            NodeEditor.GetEditor(hoveredNode, this).AddContextMenuItems(menu);
                            menu.DropDown(new Rect(Event.current.mousePosition, Vector2.zero));
                            e.Use();     // Fixes copy/paste context menu appearing in Unity 5.6.6f2 - doesn't occur in 2018.3.2f1 Probably needs to be used in other places.
                        }
                        else if (!IsHoveringNode)
                        {
                            autoConnectOutput = null;
                            GenericMenu menu = new GenericMenu();
                            graphEditor.AddContextMenuItems(menu);
                            menu.DropDown(new Rect(Event.current.mousePosition, Vector2.zero));
                        }
                    }
                    isPanning = false;
                }
                // Reset DoubleClick
                isDoubleClick = false;
                break;

            case EventType.KeyDown:
                if (EditorGUIUtility.editingTextField || GUIUtility.keyboardControl != 0)
                {
                    break;
                }
                else if (e.keyCode == KeyCode.F)
                {
                    Home();
                }
                if (NodeEditorUtilities.IsMac())
                {
                    if (e.keyCode == KeyCode.Return)
                    {
                        RenameSelectedNode();
                    }
                }
                else
                {
                    if (e.keyCode == KeyCode.F2)
                    {
                        RenameSelectedNode();
                    }
                }
                if (e.keyCode == KeyCode.A)
                {
                    if (Selection.objects.Any(x => graph.nodes.Contains(x as XNode.Node)))
                    {
                        foreach (XNode.Node node in graph.nodes)
                        {
                            DeselectNode(node);
                        }
                    }
                    else
                    {
                        foreach (XNode.Node node in graph.nodes)
                        {
                            SelectNode(node, true);
                        }
                    }
                    Repaint();
                }
                break;

            case EventType.ValidateCommand:
            case EventType.ExecuteCommand:
                if (e.commandName == "SoftDelete")
                {
                    if (e.type == EventType.ExecuteCommand)
                    {
                        RemoveSelectedNodes();
                    }
                    e.Use();
                }
                else if (NodeEditorUtilities.IsMac() && e.commandName == "Delete")
                {
                    if (e.type == EventType.ExecuteCommand)
                    {
                        RemoveSelectedNodes();
                    }
                    e.Use();
                }
                else if (e.commandName == "Duplicate")
                {
                    if (e.type == EventType.ExecuteCommand)
                    {
                        DuplicateSelectedNodes();
                    }
                    e.Use();
                }
                else if (e.commandName == "Copy")
                {
                    if (!EditorGUIUtility.editingTextField)
                    {
                        if (e.type == EventType.ExecuteCommand)
                        {
                            CopySelectedNodes();
                        }
                        e.Use();
                    }
                }
                else if (e.commandName == "Paste")
                {
                    if (!EditorGUIUtility.editingTextField)
                    {
                        if (e.type == EventType.ExecuteCommand)
                        {
                            PasteNodes(WindowToGridPosition(lastMousePosition));
                        }
                        e.Use();
                    }
                }
                Repaint();
                break;

            case EventType.Ignore:
                // If release mouse outside window
                if (e.rawType == EventType.MouseUp && currentActivity == NodeActivity.DragGrid)
                {
                    Repaint();
                    currentActivity = NodeActivity.Idle;
                }
                break;
            }
        }
Ejemplo n.º 6
0
 public virtual Texture2D GetGridTexture()
 {
     return(NodeEditorPreferences.GetSettings().gridTexture);
 }
Ejemplo n.º 7
0
 public virtual Texture2D GetSecondaryGridTexture()
 {
     return(NodeEditorPreferences.GetSettings().crossTexture);
 }
Ejemplo n.º 8
0
 public virtual NoodleStroke GetNoodleStroke(xNode.NodePort output, xNode.NodePort input)
 {
     return(NodeEditorPreferences.GetSettings().noodleStroke);
 }
Ejemplo n.º 9
0
        /// <summary> Draw a bezier from output to input in grid coordinates </summary>
        public void DrawNoodle(Color col, List <Vector2> gridPoints)
        {
            Vector2[] windowPoints = gridPoints.Select(x => GridToWindowPosition(x)).ToArray();
            Handles.color = col;
            int length = gridPoints.Count;

            switch (NodeEditorPreferences.GetSettings().noodleType)
            {
            case NodeEditorPreferences.NoodleType.Curve:
                Vector2 outputTangent = Vector2.right;
                for (int i = 0; i < length - 1; i++)
                {
                    Vector2 inputTangent = Vector2.left;

                    if (i == 0)
                    {
                        outputTangent = Vector2.right * Vector2.Distance(windowPoints[i], windowPoints[i + 1]) * 0.01f * zoom;
                    }
                    if (i < length - 2)
                    {
                        Vector2 ab            = (windowPoints[i + 1] - windowPoints[i]).normalized;
                        Vector2 cb            = (windowPoints[i + 1] - windowPoints[i + 2]).normalized;
                        Vector2 ac            = (windowPoints[i + 2] - windowPoints[i]).normalized;
                        Vector2 p             = (ab + cb) * 0.5f;
                        float   tangentLength = (Vector2.Distance(windowPoints[i], windowPoints[i + 1]) + Vector2.Distance(windowPoints[i + 1], windowPoints[i + 2])) * 0.005f * zoom;
                        float   side          = ((ac.x * (windowPoints[i + 1].y - windowPoints[i].y)) - (ac.y * (windowPoints[i + 1].x - windowPoints[i].x)));

                        p            = new Vector2(-p.y, p.x) * Mathf.Sign(side) * tangentLength;
                        inputTangent = p;
                    }
                    else
                    {
                        inputTangent = Vector2.left * Vector2.Distance(windowPoints[i], windowPoints[i + 1]) * 0.01f * zoom;
                    }

                    Handles.DrawBezier(windowPoints[i], windowPoints[i + 1], windowPoints[i] + ((outputTangent * 50) / zoom), windowPoints[i + 1] + ((inputTangent * 50) / zoom), col, null, 4);
                    outputTangent = -inputTangent;
                }
                break;

            case NodeEditorPreferences.NoodleType.Line:
                for (int i = 0; i < length - 1; i++)
                {
                    Handles.DrawAAPolyLine(5, windowPoints[i], windowPoints[i + 1]);
                }
                break;

            case NodeEditorPreferences.NoodleType.Angled:
                for (int i = 0; i < length - 1; i++)
                {
                    if (i == length - 1)
                    {
                        continue;                      // Skip last index
                    }
                    if (windowPoints[i].x <= windowPoints[i + 1].x - (50 / zoom))
                    {
                        float   midpoint = (windowPoints[i].x + windowPoints[i + 1].x) * 0.5f;
                        Vector2 start_1  = windowPoints[i];
                        Vector2 end_1    = windowPoints[i + 1];
                        start_1.x = midpoint;
                        end_1.x   = midpoint;
                        Handles.DrawAAPolyLine(5, windowPoints[i], start_1);
                        Handles.DrawAAPolyLine(5, start_1, end_1);
                        Handles.DrawAAPolyLine(5, end_1, windowPoints[i + 1]);
                    }
                    else
                    {
                        float   midpoint = (windowPoints[i].y + windowPoints[i + 1].y) * 0.5f;
                        Vector2 start_1  = windowPoints[i];
                        Vector2 end_1    = windowPoints[i + 1];
                        start_1.x += 25 / zoom;
                        end_1.x   -= 25 / zoom;
                        Vector2 start_2 = start_1;
                        Vector2 end_2   = end_1;
                        start_2.y = midpoint;
                        end_2.y   = midpoint;
                        Handles.DrawAAPolyLine(5, windowPoints[i], start_1);
                        Handles.DrawAAPolyLine(5, start_1, start_2);
                        Handles.DrawAAPolyLine(5, start_2, end_2);
                        Handles.DrawAAPolyLine(5, end_2, end_1);
                        Handles.DrawAAPolyLine(5, end_1, windowPoints[i + 1]);
                    }
                }
                break;
            }
        }
Ejemplo n.º 10
0
 /// <summary> Returned float is used for noodle thickness </summary>
 /// <param name="output"> The output this noodle comes from. Never null. </param>
 /// <param name="input"> The output this noodle comes from. Can be null if we are dragging the noodle. </param>
 public virtual float GetNoodleThickness(xNode.NodePort output, xNode.NodePort input)
 {
     return(NodeEditorPreferences.GetSettings().noodleThickness);
 }
Ejemplo n.º 11
0
        /// <summary>
        /// Add items for the context menu when right-clicking this node.
        /// Override to add custom menu items.
        /// </summary>
        /// <param name="menu"></param>
        /// <param name="compatibleType">Use it to filter only nodes with ports value type, compatible with this type</param>
        /// <param name="direction">Direction of the compatiblity</param>
        public virtual void AddContextMenuItems(GenericMenu menu, Type compatibleType = null, XNode.NodePort.IO direction = XNode.NodePort.IO.Input)
        {
            Vector2 pos = NodeEditorWindow.current.WindowToGridPosition(Event.current.mousePosition);

            Type[] nodeTypes;

            if (compatibleType != null && NodeEditorPreferences.GetSettings().createFilter)
            {
                nodeTypes = NodeEditorUtilities.GetCompatibleNodesTypes(NodeEditorReflection.nodeTypes, compatibleType, direction).OrderBy(GetNodeMenuOrder).ToArray();
            }
            else
            {
                nodeTypes = NodeEditorReflection.nodeTypes.OrderBy(GetNodeMenuOrder).ToArray();
            }

            for (int i = 0; i < nodeTypes.Length; i++)
            {
                Type type = nodeTypes[i];

                //Get node context menu path
                string path = GetNodeMenuName(type);
                if (string.IsNullOrEmpty(path))
                {
                    continue;
                }

                // Check if user is allowed to add more of given node type
                XNode.Node.DisallowMultipleNodesAttribute disallowAttrib;
                bool disallowed = false;
                if (NodeEditorUtilities.GetAttrib(type, out disallowAttrib))
                {
                    int typeCount = target.nodes.Count(x => x.GetType() == type);
                    if (typeCount >= disallowAttrib.max)
                    {
                        disallowed = true;
                    }
                }

                // Add node entry to context menu
                if (disallowed)
                {
                    menu.AddItem(new GUIContent(path), false, null);
                }
                else
                {
                    menu.AddItem(new GUIContent(path), false, () => {
                        XNode.Node node = CreateNode(type, pos);
                        NodeEditorWindow.current.AutoConnect(node);
                    });
                }
            }
            menu.AddSeparator("");
            if (NodeEditorWindow.copyBuffer != null && NodeEditorWindow.copyBuffer.Length > 0)
            {
                menu.AddItem(new GUIContent("Paste"), false, () => NodeEditorWindow.current.PasteNodes(pos));
            }
            else
            {
                menu.AddDisabledItem(new GUIContent("Paste"));
            }
            menu.AddItem(new GUIContent("Preferences"), false, () => NodeEditorReflection.OpenPreferences());
            menu.AddCustomContextMenuItems(target);
        }
Ejemplo n.º 12
0
 public virtual NoodlePath GetNoodlePath(XNode.NodePort output, XNode.NodePort input)
 {
     return(NodeEditorPreferences.GetSettings().noodlePath);
 }
Ejemplo n.º 13
0
        /// <summary> Draws all connections </summary>
        public void DrawConnections()
        {
            Vector2 mousePos = Event.current.mousePosition;
            List <RerouteReference> selection = preBoxSelectionReroute != null ? new List <RerouteReference>(preBoxSelectionReroute) : new List <RerouteReference>();

            hoveredReroute = new RerouteReference();

            List <Vector2> gridPoints = new List <Vector2>(2);

            Color col = GUI.color;

            foreach (XNode.Node node in graph.nodes)
            {
                //If a null node is found, return. This can happen if the nodes associated script is deleted. It is currently not possible in Unity to delete a null asset.
                if (node == null)
                {
                    continue;
                }

                // Draw full connections and output > reroute
                foreach (XNode.NodePort output in node.Outputs)
                {
                    //Needs cleanup. Null checks are ugly
                    Rect fromRect;
                    if (!_portConnectionPoints.TryGetValue(output, out fromRect))
                    {
                        continue;
                    }

                    Color    portColor = graphEditor.GetPortColor(output);
                    GUIStyle portStyle = graphEditor.GetPortStyle(output);

                    for (int k = 0; k < output.ConnectionCount; k++)
                    {
                        XNode.NodePort input = output.GetConnection(k);

                        Gradient     noodleGradient  = graphEditor.GetNoodleGradient(output, input);
                        float        noodleThickness = graphEditor.GetNoodleThickness(output, input);
                        NoodlePath   noodlePath      = graphEditor.GetNoodlePath(output, input);
                        NoodleStroke noodleStroke    = graphEditor.GetNoodleStroke(output, input);

                        // Error handling
                        if (input == null)
                        {
                            continue;                //If a script has been updated and the port doesn't exist, it is removed and null is returned. If this happens, return.
                        }
                        if (!input.IsConnectedTo(output))
                        {
                            input.Connect(output);
                        }
                        Rect toRect;
                        if (!_portConnectionPoints.TryGetValue(input, out toRect))
                        {
                            continue;
                        }

                        List <Vector2> reroutePoints = output.GetReroutePoints(k);

                        gridPoints.Clear();
                        gridPoints.Add(fromRect.center);
                        gridPoints.AddRange(reroutePoints);
                        gridPoints.Add(toRect.center);
                        DrawNoodle(noodleGradient, noodlePath, noodleStroke, noodleThickness, gridPoints);

                        // Loop through reroute points again and draw the points
                        for (int i = 0; i < reroutePoints.Count; i++)
                        {
                            RerouteReference rerouteRef = new RerouteReference(output, k, i);
                            // Draw reroute point at position
                            Rect rect = new Rect(reroutePoints[i], new Vector2(12, 12));
                            rect.position = new Vector2(rect.position.x - 6, rect.position.y - 6);
                            rect          = GridToWindowRect(rect);

                            // Draw selected reroute points with an outline
                            if (selectedReroutes.Contains(rerouteRef))
                            {
                                GUI.color = NodeEditorPreferences.GetSettings().highlightColor;
                                GUI.DrawTexture(rect, portStyle.normal.background);
                            }

                            GUI.color = portColor;
                            GUI.DrawTexture(rect, portStyle.active.background);
                            if (rect.Overlaps(selectionBox))
                            {
                                selection.Add(rerouteRef);
                            }
                            if (rect.Contains(mousePos))
                            {
                                hoveredReroute = rerouteRef;
                            }
                        }
                    }
                }
            }
            GUI.color = col;
            if (Event.current.type != EventType.Layout && currentActivity == NodeActivity.DragGrid)
            {
                selectedReroutes = selection;
            }
        }
Ejemplo n.º 14
0
        public void Controls() {
            wantsMouseMove = true;
            Event e = Event.current;
            switch (e.type) {
                case EventType.MouseMove:
                    break;
                case EventType.ScrollWheel:
                    if (e.delta.y > 0) zoom += 0.1f * zoom;
                    else zoom -= 0.1f * zoom;
                    break;
                case EventType.MouseDrag:
                    if (e.button == 0) {
                        if (IsDraggingPort) {
                            if (IsHoveringPort && hoveredPort.IsInput) {
                                if (!draggedOutput.IsConnectedTo(hoveredPort)) {
                                    draggedOutputTarget = hoveredPort;
                                }
                            } else {
                                draggedOutputTarget = null;
                            }
                            Repaint();
                        } else if (currentActivity == NodeActivity.HoldHeader || currentActivity == NodeActivity.DragHeader) {
                            for (int i = 0; i < Selection.objects.Length; i++) {
                                if (Selection.objects[i] is Siccity.XNode.Node) {
                                    Siccity.XNode.Node node = Selection.objects[i] as Siccity.XNode.Node;
                                    node.position = WindowToGridPosition(e.mousePosition) + dragOffset[i];
                                    bool gridSnap = NodeEditorPreferences.GetSettings().gridSnap;
                                    if (e.control) {
                                        gridSnap = !gridSnap;
                                    }
                                    if (gridSnap) {
                                        node.position.x = (Mathf.Round((node.position.x + 8) / 16) * 16) - 8;
                                        node.position.y = (Mathf.Round((node.position.y + 8) / 16) * 16) - 8;
                                    }
                                }
                            }
                            currentActivity = NodeActivity.DragHeader;
                            Repaint();
                        } else if (currentActivity == NodeActivity.HoldGrid) {
                            currentActivity = NodeActivity.DragGrid;
                            preBoxSelection = Selection.objects;
                            dragBoxStart = WindowToGridPosition(e.mousePosition);
                            Repaint();
                        } else if (currentActivity == NodeActivity.DragGrid) {
                            foreach (Siccity.XNode.Node node in graph.nodes) {

                            }
                            Repaint();
                        }
                    } else if (e.button == 1 || e.button == 2) {
                        Vector2 tempOffset = panOffset;
                        tempOffset += e.delta * zoom;
                        // Round value to increase crispyness of UI text
                        tempOffset.x = Mathf.Round(tempOffset.x);
                        tempOffset.y = Mathf.Round(tempOffset.y);
                        panOffset = tempOffset;
                        isPanning = true;
                    }
                    break;
                case EventType.MouseDown:
                    Repaint();
                    if (e.button == 0) {

                        if (IsHoveringPort) {
                            if (hoveredPort.IsOutput) {
                                draggedOutput = hoveredPort;
                            } else {
                                hoveredPort.VerifyConnections();
                                if (hoveredPort.IsConnected) {
                                    Siccity.XNode.Node node = hoveredPort.node;
                                    Siccity.XNode.NodePort output = hoveredPort.Connection;
                                    hoveredPort.Disconnect(output);
                                    draggedOutput = output;
                                    draggedOutputTarget = hoveredPort;
                                    if (NodeEditor.onUpdateNode != null) NodeEditor.onUpdateNode(node);
                                }
                            }
                        } else if (IsHoveringNode && IsHoveringTitle(hoveredNode)) {
                            // If mousedown on node header, select or deselect
                            if (!Selection.Contains(hoveredNode)) SelectNode(hoveredNode, e.control || e.shift);
                            else if (e.control || e.shift) DeselectNode(hoveredNode);
                            e.Use();
                            currentActivity = NodeActivity.HoldHeader;
                            dragOffset = new Vector2[Selection.objects.Length];
                            for (int i = 0; i < dragOffset.Length; i++) {
                                if (Selection.objects[i] is Siccity.XNode.Node) {
                                    Siccity.XNode.Node node = Selection.objects[i] as Siccity.XNode.Node;
                                    dragOffset[i] = node.position - WindowToGridPosition(e.mousePosition);
                                }
                            }
                        }
                        // If mousedown on grid background, deselect all
                        else if (!IsHoveringNode) {
                            currentActivity = NodeActivity.HoldGrid;
                            if (!e.control && !e.shift) Selection.activeObject = null;
                        }
                    }
                    break;
                case EventType.MouseUp:
                    if (e.button == 0) {
                        //Port drag release
                        if (IsDraggingPort) {
                            //If connection is valid, save it
                            if (draggedOutputTarget != null) {
                                Siccity.XNode.Node node = draggedOutputTarget.node;
                                if (graph.nodes.Count != 0) draggedOutput.Connect(draggedOutputTarget);
                                if (NodeEditor.onUpdateNode != null) NodeEditor.onUpdateNode(node);
                                EditorUtility.SetDirty(graph);
                            }
                            //Release dragged connection
                            draggedOutput = null;
                            draggedOutputTarget = null;
                            EditorUtility.SetDirty(graph);
                            AssetDatabase.SaveAssets();
                        } else if (currentActivity == NodeActivity.DragHeader) {
                            AssetDatabase.SaveAssets();
                        } else if (!IsHoveringNode) {
                            // If click outside node, release field focus
                            if (!isPanning) {
                                GUIUtility.hotControl = 0;
                                GUIUtility.keyboardControl = 0;
                            }
                            AssetDatabase.SaveAssets();
                        }

                        // If click node header, select single node.
                        if (currentActivity == NodeActivity.HoldHeader && !(e.control || e.shift)) {
                            SelectNode(hoveredNode, false);
                        }

                        Repaint();
                        currentActivity = NodeActivity.Idle;
                    } else if (e.button == 1) {
                        if (!isPanning) {
                            if (IsHoveringNode && IsHoveringTitle(hoveredNode)) {
                                if (!Selection.Contains(hoveredNode)) SelectNode(hoveredNode, false);
                                ShowNodeContextMenu();
                            } else if (!IsHoveringNode) {
                                ShowGraphContextMenu();
                            }
                        }
                        isPanning = false;
                    }
                    break;
                case EventType.ValidateCommand:
                    if (e.commandName == "SoftDelete") RemoveSelectedNodes();
                    else if (e.commandName == "Duplicate") DublicateSelectedNodes();
                    Repaint();
                    break;
                case EventType.Ignore:
                    // If release mouse outside window
                    if (e.rawType == EventType.MouseUp && currentActivity == NodeActivity.DragGrid) {
                        Repaint();
                        currentActivity = NodeActivity.Idle;
                    }
                    break;
            }
        }