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); } }
/// <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; } }
/// <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; } }
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; } }
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; } }
public virtual Texture2D GetGridTexture() { return(NodeEditorPreferences.GetSettings().gridTexture); }
public virtual Texture2D GetSecondaryGridTexture() { return(NodeEditorPreferences.GetSettings().crossTexture); }
public virtual NoodleStroke GetNoodleStroke(xNode.NodePort output, xNode.NodePort input) { return(NodeEditorPreferences.GetSettings().noodleStroke); }
/// <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; } }
/// <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); }
/// <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); }
public virtual NoodlePath GetNoodlePath(XNode.NodePort output, XNode.NodePort input) { return(NodeEditorPreferences.GetSettings().noodlePath); }
/// <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; } }
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; } }