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544 行
22 KiB
544 行
22 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using UnityEditor.Experimental.UIElements.GraphView;
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using UnityEngine;
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using UnityEngine.Experimental.UIElements;
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using UnityEditor.Graphing;
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using UnityEditor.ShaderGraph.Drawing.Inspector;
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using UnityEngine.Experimental.UIElements.StyleEnums;
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using UnityEngine.Experimental.UIElements.StyleSheets;
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using UnityEngine.Rendering;
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using Edge = UnityEditor.Experimental.UIElements.GraphView.Edge;
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using Object = UnityEngine.Object;
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#if UNITY_2018_1
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using GeometryChangedEvent = UnityEngine.Experimental.UIElements.PostLayoutEvent;
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#endif
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namespace UnityEditor.ShaderGraph.Drawing
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{
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[Serializable]
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class FloatingWindowsLayout
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{
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public WindowDockingLayout previewLayout = new WindowDockingLayout();
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public WindowDockingLayout blackboardLayout = new WindowDockingLayout();
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public Vector2 masterPreviewSize = new Vector2(400, 400);
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}
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public class GraphEditorView : VisualElement, IDisposable
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{
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MaterialGraphView m_GraphView;
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MasterPreviewView m_MasterPreviewView;
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private EditorWindow m_EditorWindow;
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AbstractMaterialGraph m_Graph;
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PreviewManager m_PreviewManager;
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SearchWindowProvider m_SearchWindowProvider;
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EdgeConnectorListener m_EdgeConnectorListener;
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BlackboardProvider m_BlackboardProvider;
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const string k_FloatingWindowsLayoutKey = "UnityEditor.ShaderGraph.FloatingWindowsLayout";
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FloatingWindowsLayout m_FloatingWindowsLayout;
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public Action saveRequested { get; set; }
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public Action convertToSubgraphRequested
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{
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get { return m_GraphView.onConvertToSubgraphClick; }
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set { m_GraphView.onConvertToSubgraphClick = value; }
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}
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public Action showInProjectRequested { get; set; }
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public MaterialGraphView graphView
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{
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get { return m_GraphView; }
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}
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PreviewManager previewManager
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{
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get { return m_PreviewManager; }
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set { m_PreviewManager = value; }
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}
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public GraphEditorView(EditorWindow editorWindow, AbstractMaterialGraph graph, string assetName)
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{
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m_Graph = graph;
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AddStyleSheetPath("Styles/GraphEditorView");
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m_EditorWindow = editorWindow;
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previewManager = new PreviewManager(graph);
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string serializedWindowLayout = EditorUserSettings.GetConfigValue(k_FloatingWindowsLayoutKey);
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if (!string.IsNullOrEmpty(serializedWindowLayout))
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{
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m_FloatingWindowsLayout = JsonUtility.FromJson<FloatingWindowsLayout>(serializedWindowLayout);
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if (m_FloatingWindowsLayout.masterPreviewSize.x > 0f && m_FloatingWindowsLayout.masterPreviewSize.y > 0f)
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previewManager.ResizeMasterPreview(m_FloatingWindowsLayout.masterPreviewSize);
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}
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previewManager.RenderPreviews();
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var toolbar = new IMGUIContainer(() =>
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{
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GUILayout.BeginHorizontal(EditorStyles.toolbar);
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if (GUILayout.Button("Save Asset", EditorStyles.toolbarButton))
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{
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if (saveRequested != null)
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saveRequested();
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}
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GUILayout.Space(6);
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if (GUILayout.Button("Show In Project", EditorStyles.toolbarButton))
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{
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if (showInProjectRequested != null)
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showInProjectRequested();
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}
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GUILayout.FlexibleSpace();
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GUILayout.EndHorizontal();
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});
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Add(toolbar);
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var content = new VisualElement { name = "content" };
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{
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m_GraphView = new MaterialGraphView(graph) { name = "GraphView", persistenceKey = "MaterialGraphView" };
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m_GraphView.SetupZoom(0.05f, ContentZoomer.DefaultMaxScale);
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m_GraphView.AddManipulator(new ContentDragger());
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m_GraphView.AddManipulator(new SelectionDragger());
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m_GraphView.AddManipulator(new RectangleSelector());
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m_GraphView.AddManipulator(new ClickSelector());
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m_GraphView.AddManipulator(new GraphDropTarget(graph));
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m_GraphView.RegisterCallback<KeyDownEvent>(OnSpaceDown);
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content.Add(m_GraphView);
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m_BlackboardProvider = new BlackboardProvider(assetName, graph);
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m_GraphView.Add(m_BlackboardProvider.blackboard);
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Rect blackboardLayout = m_BlackboardProvider.blackboard.layout;
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blackboardLayout.x = 10f;
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blackboardLayout.y = 10f;
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m_BlackboardProvider.blackboard.layout = blackboardLayout;
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m_MasterPreviewView = new MasterPreviewView(assetName, previewManager, graph) { name = "masterPreview" };
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WindowDraggable masterPreviewViewDraggable = new WindowDraggable(null, this);
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m_MasterPreviewView.AddManipulator(masterPreviewViewDraggable);
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m_GraphView.Add(m_MasterPreviewView);
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//m_BlackboardProvider.onDragFinished += UpdateSerializedWindowLayout;
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//m_BlackboardProvider.onResizeFinished += UpdateSerializedWindowLayout;
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masterPreviewViewDraggable.OnDragFinished += UpdateSerializedWindowLayout;
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m_MasterPreviewView.previewResizeBorderFrame.OnResizeFinished += UpdateSerializedWindowLayout;
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m_GraphView.graphViewChanged = GraphViewChanged;
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RegisterCallback<GeometryChangedEvent>(ApplySerializewindowLayouts);
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}
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m_SearchWindowProvider = ScriptableObject.CreateInstance<SearchWindowProvider>();
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m_SearchWindowProvider.Initialize(editorWindow, m_Graph, m_GraphView);
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m_GraphView.nodeCreationRequest = (c) =>
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{
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m_SearchWindowProvider.connectedPort = null;
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SearchWindow.Open(new SearchWindowContext(c.screenMousePosition), m_SearchWindowProvider);
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};
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m_EdgeConnectorListener = new EdgeConnectorListener(m_Graph, m_SearchWindowProvider);
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foreach (var node in graph.GetNodes<INode>())
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AddNode(node);
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foreach (var edge in graph.edges)
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AddEdge(edge);
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Add(content);
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}
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void OnSpaceDown(KeyDownEvent evt)
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{
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if(evt.keyCode == KeyCode.Space && !evt.shiftKey && !evt.altKey && !evt.ctrlKey && !evt.commandKey)
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{
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if (graphView.nodeCreationRequest == null)
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return;
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Vector2 referencePosition;
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referencePosition = evt.imguiEvent.mousePosition;
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Vector2 screenPoint = m_EditorWindow.position.position + referencePosition;
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graphView.nodeCreationRequest(new NodeCreationContext() { screenMousePosition = screenPoint });
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}
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else if (evt.keyCode == KeyCode.F1)
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{
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if (m_GraphView.selection.OfType<MaterialNodeView>().Count() == 1)
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{
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var nodeView = (MaterialNodeView)graphView.selection.First();
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if(nodeView.node.documentationURL != null)
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System.Diagnostics.Process.Start(nodeView.node.documentationURL);
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}
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}
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}
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GraphViewChange GraphViewChanged(GraphViewChange graphViewChange)
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{
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if (graphViewChange.edgesToCreate != null)
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{
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foreach (var edge in graphViewChange.edgesToCreate)
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{
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var leftSlot = edge.output.GetSlot();
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var rightSlot = edge.input.GetSlot();
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if (leftSlot != null && rightSlot != null)
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{
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m_Graph.owner.RegisterCompleteObjectUndo("Connect Edge");
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m_Graph.Connect(leftSlot.slotReference, rightSlot.slotReference);
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}
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}
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graphViewChange.edgesToCreate.Clear();
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}
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if (graphViewChange.movedElements != null)
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{
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foreach (var element in graphViewChange.movedElements)
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{
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var node = element.userData as INode;
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if (node == null)
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continue;
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var drawState = node.drawState;
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drawState.position = element.GetPosition();
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node.drawState = drawState;
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}
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}
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var nodesToUpdate = m_NodeViewHashSet;
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nodesToUpdate.Clear();
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if (graphViewChange.elementsToRemove != null)
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{
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m_Graph.owner.RegisterCompleteObjectUndo("Remove Elements");
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m_Graph.RemoveElements(graphViewChange.elementsToRemove.OfType<MaterialNodeView>().Select(v => (INode) v.node),
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graphViewChange.elementsToRemove.OfType<Edge>().Select(e => (IEdge) e.userData));
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foreach (var edge in graphViewChange.elementsToRemove.OfType<Edge>())
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{
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if (edge.input != null)
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{
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var materialNodeView = edge.input.node as MaterialNodeView;
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if (materialNodeView != null)
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nodesToUpdate.Add(materialNodeView);
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}
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if (edge.output != null)
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{
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var materialNodeView = edge.output.node as MaterialNodeView;
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if (materialNodeView != null)
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nodesToUpdate.Add(materialNodeView);
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}
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}
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}
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foreach (var node in nodesToUpdate)
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node.UpdatePortInputVisibilities();
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UpdateEdgeColors(nodesToUpdate);
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return graphViewChange;
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}
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void OnNodeChanged(INode inNode, ModificationScope scope)
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{
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if (m_GraphView == null)
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return;
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var dependentNodes = new List<INode>();
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NodeUtils.CollectNodesNodeFeedsInto(dependentNodes, inNode);
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foreach (var node in dependentNodes)
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{
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var theViews = m_GraphView.nodes.ToList().OfType<MaterialNodeView>();
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var viewsFound = theViews.Where(x => x.node.guid == node.guid).ToList();
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foreach (var drawableNodeData in viewsFound)
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drawableNodeData.OnModified(scope);
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}
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}
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HashSet<MaterialNodeView> m_NodeViewHashSet = new HashSet<MaterialNodeView>();
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public void HandleGraphChanges()
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{
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previewManager.HandleGraphChanges();
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previewManager.RenderPreviews();
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m_BlackboardProvider.HandleGraphChanges();
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foreach (var node in m_Graph.removedNodes)
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{
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node.UnregisterCallback(OnNodeChanged);
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var nodeView = m_GraphView.nodes.ToList().OfType<MaterialNodeView>().FirstOrDefault(p => p.node != null && p.node.guid == node.guid);
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if (nodeView != null)
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{
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nodeView.Dispose();
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nodeView.userData = null;
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m_GraphView.RemoveElement(nodeView);
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}
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}
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foreach (var node in m_Graph.addedNodes)
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{
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AddNode(node);
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}
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foreach (var node in m_Graph.pastedNodes)
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{
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var nodeView = m_GraphView.nodes.ToList().OfType<MaterialNodeView>().FirstOrDefault(p => p.node != null && p.node.guid == node.guid);
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m_GraphView.AddToSelection(nodeView);
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}
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var nodesToUpdate = m_NodeViewHashSet;
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nodesToUpdate.Clear();
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foreach (var edge in m_Graph.removedEdges)
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{
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var edgeView = m_GraphView.graphElements.ToList().OfType<Edge>().FirstOrDefault(p => p.userData is IEdge && Equals((IEdge)p.userData, edge));
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if (edgeView != null)
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{
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var nodeView = edgeView.input.node as MaterialNodeView;
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if (nodeView != null && nodeView.node != null)
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{
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nodesToUpdate.Add(nodeView);
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}
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edgeView.output.Disconnect(edgeView);
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edgeView.input.Disconnect(edgeView);
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edgeView.output = null;
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edgeView.input = null;
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m_GraphView.RemoveElement(edgeView);
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}
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}
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foreach (var edge in m_Graph.addedEdges)
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{
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var edgeView = AddEdge(edge);
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if (edgeView != null)
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nodesToUpdate.Add((MaterialNodeView)edgeView.input.node);
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}
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foreach (var node in nodesToUpdate)
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node.UpdatePortInputVisibilities();
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UpdateEdgeColors(nodesToUpdate);
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}
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void AddNode(INode node)
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{
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var nodeView = new MaterialNodeView { userData = node };
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m_GraphView.AddElement(nodeView);
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nodeView.Initialize(node as AbstractMaterialNode, m_PreviewManager, m_EdgeConnectorListener);
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node.RegisterCallback(OnNodeChanged);
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nodeView.MarkDirtyRepaint();
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if (m_SearchWindowProvider.nodeNeedsRepositioning && m_SearchWindowProvider.targetSlotReference.nodeGuid.Equals(node.guid))
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{
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m_SearchWindowProvider.nodeNeedsRepositioning = false;
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foreach (var element in nodeView.inputContainer.Union(nodeView.outputContainer))
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{
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var port = element as ShaderPort;
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if (port == null)
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continue;
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if (port.slot.slotReference.Equals(m_SearchWindowProvider.targetSlotReference))
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{
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port.RegisterCallback<GeometryChangedEvent>(RepositionNode);
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return;
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}
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}
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}
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}
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static void RepositionNode(GeometryChangedEvent evt)
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{
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var port = evt.target as ShaderPort;
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if (port == null)
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return;
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port.UnregisterCallback<GeometryChangedEvent>(RepositionNode);
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var nodeView = port.node as MaterialNodeView;
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if (nodeView == null)
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return;
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var offset = nodeView.mainContainer.WorldToLocal(port.GetGlobalCenter() + new Vector3(3f, 3f, 0f));
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var position = nodeView.GetPosition();
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position.position -= offset;
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nodeView.SetPosition(position);
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var drawState = nodeView.node.drawState;
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drawState.position = position;
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nodeView.node.drawState = drawState;
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nodeView.MarkDirtyRepaint();
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port.MarkDirtyRepaint();
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}
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Edge AddEdge(IEdge edge)
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{
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var sourceNode = m_Graph.GetNodeFromGuid(edge.outputSlot.nodeGuid);
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if (sourceNode == null)
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{
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Debug.LogWarning("Source node is null");
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return null;
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}
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var sourceSlot = sourceNode.FindOutputSlot<MaterialSlot>(edge.outputSlot.slotId);
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var targetNode = m_Graph.GetNodeFromGuid(edge.inputSlot.nodeGuid);
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if (targetNode == null)
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{
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Debug.LogWarning("Target node is null");
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return null;
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}
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var targetSlot = targetNode.FindInputSlot<MaterialSlot>(edge.inputSlot.slotId);
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var sourceNodeView = m_GraphView.nodes.ToList().OfType<MaterialNodeView>().FirstOrDefault(x => x.node == sourceNode);
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if (sourceNodeView != null)
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{
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var sourceAnchor = sourceNodeView.outputContainer.Children().OfType<ShaderPort>().FirstOrDefault(x => x.slot.Equals(sourceSlot));
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var targetNodeView = m_GraphView.nodes.ToList().OfType<MaterialNodeView>().FirstOrDefault(x => x.node == targetNode);
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var targetAnchor = targetNodeView.inputContainer.Children().OfType<ShaderPort>().FirstOrDefault(x => x.slot.Equals(targetSlot));
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var edgeView = new Edge
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{
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userData = edge,
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output = sourceAnchor,
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input = targetAnchor
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};
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edgeView.output.Connect(edgeView);
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edgeView.input.Connect(edgeView);
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m_GraphView.AddElement(edgeView);
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sourceNodeView.RefreshPorts();
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targetNodeView.RefreshPorts();
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sourceNodeView.UpdatePortInputTypes();
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targetNodeView.UpdatePortInputTypes();
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return edgeView;
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}
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return null;
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}
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Stack<MaterialNodeView> m_NodeStack = new Stack<MaterialNodeView>();
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void UpdateEdgeColors(HashSet<MaterialNodeView> nodeViews)
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{
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var nodeStack = m_NodeStack;
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nodeStack.Clear();
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foreach (var nodeView in nodeViews)
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nodeStack.Push(nodeView);
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while (nodeStack.Any())
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{
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var nodeView = nodeStack.Pop();
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nodeView.UpdatePortInputTypes();
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foreach (var anchorView in nodeView.outputContainer.Children().OfType<Port>())
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{
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foreach (var edgeView in anchorView.connections.OfType<Edge>())
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{
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var targetSlot = edgeView.input.GetSlot();
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if (targetSlot.valueType == SlotValueType.DynamicVector || targetSlot.valueType == SlotValueType.DynamicMatrix || targetSlot.valueType == SlotValueType.Dynamic)
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{
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var connectedNodeView = edgeView.input.node as MaterialNodeView;
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if (connectedNodeView != null && !nodeViews.Contains(connectedNodeView))
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{
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nodeStack.Push(connectedNodeView);
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nodeViews.Add(connectedNodeView);
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}
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}
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}
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}
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foreach (var anchorView in nodeView.inputContainer.Children().OfType<Port>())
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{
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var targetSlot = anchorView.GetSlot();
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if (targetSlot.valueType != SlotValueType.DynamicVector)
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continue;
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foreach (var edgeView in anchorView.connections.OfType<Edge>())
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{
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var connectedNodeView = edgeView.output.node as MaterialNodeView;
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if (connectedNodeView != null && !nodeViews.Contains(connectedNodeView))
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{
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nodeStack.Push(connectedNodeView);
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nodeViews.Add(connectedNodeView);
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}
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}
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}
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}
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}
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void HandleEditorViewChanged(GeometryChangedEvent evt)
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{
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m_BlackboardProvider.blackboard.layout = m_FloatingWindowsLayout.blackboardLayout.GetLayout(m_GraphView.layout);
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}
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void StoreBlackboardLayoutOnGeometryChanged(GeometryChangedEvent evt)
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{
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UpdateSerializedWindowLayout();
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}
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void ApplySerializewindowLayouts(GeometryChangedEvent evt)
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{
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UnregisterCallback<GeometryChangedEvent>(ApplySerializewindowLayouts);
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if (m_FloatingWindowsLayout != null)
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{
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// Restore master preview layout
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m_FloatingWindowsLayout.previewLayout.ApplyPosition(m_MasterPreviewView);
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m_MasterPreviewView.previewTextureView.style.width = StyleValue<float>.Create(m_FloatingWindowsLayout.masterPreviewSize.x);
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m_MasterPreviewView.previewTextureView.style.height = StyleValue<float>.Create(m_FloatingWindowsLayout.masterPreviewSize.y);
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// Restore blackboard layout
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m_BlackboardProvider.blackboard.layout = m_FloatingWindowsLayout.blackboardLayout.GetLayout(this.layout);
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previewManager.ResizeMasterPreview(m_FloatingWindowsLayout.masterPreviewSize);
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}
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else
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{
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m_FloatingWindowsLayout = new FloatingWindowsLayout();
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}
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// After the layout is restored from the previous session, start tracking layout changes in the blackboard.
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m_BlackboardProvider.blackboard.RegisterCallback<GeometryChangedEvent>(StoreBlackboardLayoutOnGeometryChanged);
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// After the layout is restored, track changes in layout and make the blackboard have the same behavior as the preview w.r.t. docking.
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RegisterCallback<GeometryChangedEvent>(HandleEditorViewChanged);
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}
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void UpdateSerializedWindowLayout()
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{
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if (m_FloatingWindowsLayout == null)
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m_FloatingWindowsLayout = new FloatingWindowsLayout();
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m_FloatingWindowsLayout.previewLayout.CalculateDockingCornerAndOffset(m_MasterPreviewView.layout, m_GraphView.layout);
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m_FloatingWindowsLayout.previewLayout.ClampToParentWindow();
|
|
|
|
m_FloatingWindowsLayout.blackboardLayout.CalculateDockingCornerAndOffset(m_BlackboardProvider.blackboard.layout, m_GraphView.layout);
|
|
m_FloatingWindowsLayout.blackboardLayout.ClampToParentWindow();
|
|
|
|
if (m_MasterPreviewView.expanded)
|
|
{
|
|
m_FloatingWindowsLayout.masterPreviewSize = m_MasterPreviewView.previewTextureView.layout.size;
|
|
}
|
|
|
|
string serializedWindowLayout = JsonUtility.ToJson(m_FloatingWindowsLayout);
|
|
EditorUserSettings.SetConfigValue(k_FloatingWindowsLayoutKey, serializedWindowLayout);
|
|
}
|
|
|
|
public void Dispose()
|
|
{
|
|
if (m_GraphView != null)
|
|
{
|
|
saveRequested = null;
|
|
convertToSubgraphRequested = null;
|
|
showInProjectRequested = null;
|
|
foreach (var node in m_GraphView.Children().OfType<MaterialNodeView>())
|
|
node.Dispose();
|
|
m_GraphView = null;
|
|
}
|
|
if (previewManager != null)
|
|
{
|
|
previewManager.Dispose();
|
|
previewManager = null;
|
|
}
|
|
if (m_SearchWindowProvider != null)
|
|
{
|
|
Object.DestroyImmediate(m_SearchWindowProvider);
|
|
m_SearchWindowProvider = null;
|
|
}
|
|
}
|
|
}
|
|
}
|