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648 行
26 KiB
648 行
26 KiB
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using UnityEngine;
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using UnityEditor.Graphing;
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using UnityEditor.Graphing.Util;
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using Debug = UnityEngine.Debug;
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using Object = UnityEngine.Object;
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using UnityEngine.Rendering;
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using UnityEditor.UIElements;
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using Edge = UnityEditor.Experimental.GraphView.Edge;
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using UnityEditor.Experimental.GraphView;
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using UnityEngine.UIElements;
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namespace UnityEditor.ShaderGraph.Drawing
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{
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class MaterialGraphEditWindow : EditorWindow
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{
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[SerializeField]
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string m_Selected;
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[SerializeField]
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GraphObject m_GraphObject;
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[NonSerialized]
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bool m_HasError;
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[NonSerialized]
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HashSet<string> m_ChangedFileDependencies = new HashSet<string>();
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ColorSpace m_ColorSpace;
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RenderPipelineAsset m_RenderPipelineAsset;
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bool m_FrameAllAfterLayout;
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GraphEditorView m_GraphEditorView;
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MessageManager m_MessageManager;
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MessageManager messageManager
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{
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get { return m_MessageManager ?? (m_MessageManager = new MessageManager()); }
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}
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GraphEditorView graphEditorView
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{
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get { return m_GraphEditorView; }
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set
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{
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if (m_GraphEditorView != null)
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{
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m_GraphEditorView.RemoveFromHierarchy();
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m_GraphEditorView.Dispose();
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}
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m_GraphEditorView = value;
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if (m_GraphEditorView != null)
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{
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m_GraphEditorView.saveRequested += UpdateAsset;
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m_GraphEditorView.convertToSubgraphRequested += ToSubGraph;
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m_GraphEditorView.showInProjectRequested += PingAsset;
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m_GraphEditorView.RegisterCallback<GeometryChangedEvent>(OnGeometryChanged);
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m_FrameAllAfterLayout = true;
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this.rootVisualElement.Add(graphEditorView);
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}
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}
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}
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GraphObject graphObject
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{
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get { return m_GraphObject; }
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set
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{
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if (m_GraphObject != null)
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DestroyImmediate(m_GraphObject);
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m_GraphObject = value;
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}
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}
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public string selectedGuid
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{
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get { return m_Selected; }
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private set { m_Selected = value; }
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}
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public string assetName
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{
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get { return titleContent.text; }
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set
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{
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titleContent.text = value;
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graphEditorView.assetName = value;
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}
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}
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void Update()
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{
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if (m_HasError)
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return;
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if (PlayerSettings.colorSpace != m_ColorSpace)
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{
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graphEditorView = null;
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m_ColorSpace = PlayerSettings.colorSpace;
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}
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if (GraphicsSettings.renderPipelineAsset != m_RenderPipelineAsset)
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{
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graphEditorView = null;
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m_RenderPipelineAsset = GraphicsSettings.renderPipelineAsset;
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}
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try
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{
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if (graphObject == null && selectedGuid != null)
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{
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var guid = selectedGuid;
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selectedGuid = null;
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Initialize(guid);
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}
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if (graphObject == null)
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{
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Close();
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return;
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}
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var materialGraph = graphObject.graph as GraphData;
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if (materialGraph == null)
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return;
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if (graphEditorView == null)
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{
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messageManager.ClearAll();
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materialGraph.messageManager = messageManager;
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var asset = AssetDatabase.LoadAssetAtPath<Object>(AssetDatabase.GUIDToAssetPath(selectedGuid));
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graphEditorView = new GraphEditorView(this, materialGraph, messageManager)
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{
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viewDataKey = selectedGuid,
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assetName = asset.name.Split('/').Last()
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};
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m_ColorSpace = PlayerSettings.colorSpace;
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m_RenderPipelineAsset = GraphicsSettings.renderPipelineAsset;
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graphObject.Validate();
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}
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if (m_ChangedFileDependencies.Count > 0 && graphObject != null && graphObject.graph != null)
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{
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var subGraphNodes = graphObject.graph.GetNodes<SubGraphNode>();
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foreach (var subGraphNode in subGraphNodes)
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{
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subGraphNode.Reload(m_ChangedFileDependencies);
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}
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if(subGraphNodes.Count() > 0)
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{
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// Keywords always need to be updated to test against variant limit
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// No Keywords may indicate removal and this may have now made the Graph valid again
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// Need to validate Graph to clear errors in this case
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materialGraph.OnKeywordChanged();
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}
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foreach (var customFunctionNode in graphObject.graph.GetNodes<CustomFunctionNode>())
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{
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customFunctionNode.Reload(m_ChangedFileDependencies);
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}
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m_ChangedFileDependencies.Clear();
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}
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if (graphObject.wasUndoRedoPerformed)
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{
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graphEditorView.HandleGraphChanges();
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graphObject.graph.ClearChanges();
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graphObject.HandleUndoRedo();
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}
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graphEditorView.HandleGraphChanges();
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graphObject.graph.ClearChanges();
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}
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catch (Exception e)
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{
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m_HasError = true;
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m_GraphEditorView = null;
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graphObject = null;
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Debug.LogException(e);
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throw;
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}
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}
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public void ReloadSubGraphsOnNextUpdate(List<string> changedFiles)
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{
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foreach (var changedFile in changedFiles)
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{
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m_ChangedFileDependencies.Add(changedFile);
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}
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}
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void OnEnable()
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{
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this.SetAntiAliasing(4);
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}
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void OnDisable()
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{
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graphEditorView = null;
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messageManager.ClearAll();
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}
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void OnDestroy()
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{
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if (graphObject != null)
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{
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string nameOfFile = AssetDatabase.GUIDToAssetPath(selectedGuid);
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if (graphObject.isDirty && EditorUtility.DisplayDialog("Shader Graph Has Been Modified", "Do you want to save the changes you made in the Shader Graph?\n" + nameOfFile + "\n\nYour changes will be lost if you don't save them.", "Save", "Don't Save"))
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UpdateAsset();
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Undo.ClearUndo(graphObject);
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DestroyImmediate(graphObject);
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}
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graphEditorView = null;
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}
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public void PingAsset()
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{
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if (selectedGuid != null)
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{
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var path = AssetDatabase.GUIDToAssetPath(selectedGuid);
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var asset = AssetDatabase.LoadAssetAtPath<Object>(path);
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EditorGUIUtility.PingObject(asset);
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}
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}
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public void UpdateAsset()
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{
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if (selectedGuid != null && graphObject != null)
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{
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var path = AssetDatabase.GUIDToAssetPath(selectedGuid);
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if (string.IsNullOrEmpty(path) || graphObject == null)
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return;
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UpdateShaderGraphOnDisk(path);
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graphObject.isDirty = false;
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}
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}
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public void ToSubGraph()
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{
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var graphView = graphEditorView.graphView;
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var path = EditorUtility.SaveFilePanelInProject("Save Sub Graph", "New Shader Sub Graph", ShaderSubGraphImporter.Extension, "");
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path = path.Replace(Application.dataPath, "Assets");
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if (path.Length == 0)
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return;
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graphObject.RegisterCompleteObjectUndo("Convert To Subgraph");
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var nodes = graphView.selection.OfType<IShaderNodeView>().Where(x => !(x.node is PropertyNode || x.node is SubGraphOutputNode)).Select(x => x.node).Where(x => x.allowedInSubGraph).ToArray();
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var bounds = Rect.MinMaxRect(float.PositiveInfinity, float.PositiveInfinity, float.NegativeInfinity, float.NegativeInfinity);
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foreach (var node in nodes)
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{
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var center = node.drawState.position.center;
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bounds = Rect.MinMaxRect(
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Mathf.Min(bounds.xMin, center.x),
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Mathf.Min(bounds.yMin, center.y),
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Mathf.Max(bounds.xMax, center.x),
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Mathf.Max(bounds.yMax, center.y));
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}
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var middle = bounds.center;
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bounds.center = Vector2.zero;
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// Collect graph inputs
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var graphInputs = graphView.selection.OfType<BlackboardField>().Select(x => x.userData as ShaderInput);
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// Collect the property nodes and get the corresponding properties
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var propertyNodeGuids = graphView.selection.OfType<IShaderNodeView>().Where(x => (x.node is PropertyNode)).Select(x => ((PropertyNode)x.node).propertyGuid);
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var metaProperties = graphView.graph.properties.Where(x => propertyNodeGuids.Contains(x.guid));
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// Collect the keyword nodes and get the corresponding keywords
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var keywordNodeGuids = graphView.selection.OfType<IShaderNodeView>().Where(x => (x.node is KeywordNode)).Select(x => ((KeywordNode)x.node).keywordGuid);
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var metaKeywords = graphView.graph.keywords.Where(x => keywordNodeGuids.Contains(x.guid));
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var copyPasteGraph = new CopyPasteGraph(
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graphView.graph.assetGuid,
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graphView.selection.OfType<ShaderGroup>().Select(x => x.userData),
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graphView.selection.OfType<IShaderNodeView>().Where(x => !(x.node is PropertyNode || x.node is SubGraphOutputNode)).Select(x => x.node).Where(x => x.allowedInSubGraph).ToArray(),
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graphView.selection.OfType<Edge>().Select(x => x.userData as IEdge),
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graphInputs,
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metaProperties,
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metaKeywords,
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graphView.selection.OfType<StickyNote>().Select(x => x.userData));
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var deserialized = CopyPasteGraph.FromJson(JsonUtility.ToJson(copyPasteGraph, false));
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if (deserialized == null)
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return;
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var subGraph = new GraphData { isSubGraph = true };
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subGraph.path = "Sub Graphs";
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var subGraphOutputNode = new SubGraphOutputNode();
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{
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var drawState = subGraphOutputNode.drawState;
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drawState.position = new Rect(new Vector2(bounds.xMax + 200f, 0f), drawState.position.size);
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subGraphOutputNode.drawState = drawState;
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}
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subGraph.AddNode(subGraphOutputNode);
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// Always copy deserialized keyword inputs
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foreach (ShaderKeyword keyword in deserialized.metaKeywords)
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{
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ShaderInput copiedInput = keyword.Copy();
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subGraph.SanitizeGraphInputName(copiedInput);
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subGraph.SanitizeGraphInputReferenceName(copiedInput, keyword.overrideReferenceName);
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subGraph.AddGraphInput(copiedInput);
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// Update the keyword nodes that depends on the copied keyword
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var dependentKeywordNodes = deserialized.GetNodes<KeywordNode>().Where(x => x.keywordGuid == keyword.guid);
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foreach (var node in dependentKeywordNodes)
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{
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node.owner = graphView.graph;
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node.keywordGuid = copiedInput.guid;
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}
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}
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var groupGuidMap = new Dictionary<Guid, Guid>();
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foreach (GroupData groupData in deserialized.groups)
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{
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var oldGuid = groupData.guid;
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var newGuid = groupData.RewriteGuid();
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groupGuidMap[oldGuid] = newGuid;
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subGraph.CreateGroup(groupData);
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}
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List<Guid> groupGuids = new List<Guid>();
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var nodeGuidMap = new Dictionary<Guid, Guid>();
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foreach (var node in deserialized.GetNodes<AbstractMaterialNode>())
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{
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var oldGuid = node.guid;
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var newGuid = node.RewriteGuid();
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nodeGuidMap[oldGuid] = newGuid;
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var drawState = node.drawState;
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drawState.position = new Rect(drawState.position.position - middle, drawState.position.size);
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node.drawState = drawState;
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if (!groupGuids.Contains(node.groupGuid))
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{
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groupGuids.Add(node.groupGuid);
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}
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// Checking if the group guid is also being copied.
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// If not then nullify that guid
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if (node.groupGuid != Guid.Empty)
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{
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node.groupGuid = !groupGuidMap.ContainsKey(node.groupGuid) ? Guid.Empty : groupGuidMap[node.groupGuid];
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}
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subGraph.AddNode(node);
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}
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foreach (var note in deserialized.stickyNotes)
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{
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if (!groupGuids.Contains(note.groupGuid))
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{
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groupGuids.Add(note.groupGuid);
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}
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if (note.groupGuid != Guid.Empty)
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{
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note.groupGuid = !groupGuidMap.ContainsKey(note.groupGuid) ? Guid.Empty : groupGuidMap[note.groupGuid];
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}
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note.RewriteGuid();
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subGraph.AddStickyNote(note);
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}
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// figure out what needs remapping
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var externalOutputSlots = new List<IEdge>();
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var externalInputSlots = new List<IEdge>();
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foreach (var edge in deserialized.edges)
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{
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var outputSlot = edge.outputSlot;
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var inputSlot = edge.inputSlot;
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Guid remappedOutputNodeGuid;
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Guid remappedInputNodeGuid;
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var outputSlotExistsInSubgraph = nodeGuidMap.TryGetValue(outputSlot.nodeGuid, out remappedOutputNodeGuid);
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var inputSlotExistsInSubgraph = nodeGuidMap.TryGetValue(inputSlot.nodeGuid, out remappedInputNodeGuid);
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// pasting nice internal links!
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if (outputSlotExistsInSubgraph && inputSlotExistsInSubgraph)
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{
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var outputSlotRef = new SlotReference(remappedOutputNodeGuid, outputSlot.slotId);
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var inputSlotRef = new SlotReference(remappedInputNodeGuid, inputSlot.slotId);
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subGraph.Connect(outputSlotRef, inputSlotRef);
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}
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// one edge needs to go to outside world
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else if (outputSlotExistsInSubgraph)
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{
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externalInputSlots.Add(edge);
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}
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else if (inputSlotExistsInSubgraph)
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{
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externalOutputSlots.Add(edge);
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}
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}
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// Find the unique edges coming INTO the graph
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var uniqueIncomingEdges = externalOutputSlots.GroupBy(
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edge => edge.outputSlot,
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edge => edge,
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(key, edges) => new { slotRef = key, edges = edges.ToList() });
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var externalInputNeedingConnection = new List<KeyValuePair<IEdge, AbstractShaderProperty>>();
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var amountOfProps = uniqueIncomingEdges.Count();
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const int height = 40;
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const int subtractHeight = 20;
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var propPos = new Vector2(0, -((amountOfProps / 2) + height) - subtractHeight);
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foreach (var group in uniqueIncomingEdges)
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{
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var sr = group.slotRef;
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var fromNode = graphObject.graph.GetNodeFromGuid(sr.nodeGuid);
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var fromSlot = fromNode.FindOutputSlot<MaterialSlot>(sr.slotId);
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AbstractShaderProperty prop;
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switch (fromSlot.concreteValueType)
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{
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case ConcreteSlotValueType.Texture2D:
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prop = new TextureShaderProperty();
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break;
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case ConcreteSlotValueType.Texture2DArray:
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prop = new Texture2DArrayShaderProperty();
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break;
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case ConcreteSlotValueType.Texture3D:
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prop = new Texture3DShaderProperty();
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break;
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case ConcreteSlotValueType.Cubemap:
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prop = new CubemapShaderProperty();
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break;
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case ConcreteSlotValueType.Vector4:
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prop = new Vector4ShaderProperty();
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break;
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case ConcreteSlotValueType.Vector3:
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prop = new Vector3ShaderProperty();
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break;
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case ConcreteSlotValueType.Vector2:
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prop = new Vector2ShaderProperty();
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break;
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case ConcreteSlotValueType.Vector1:
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prop = new Vector1ShaderProperty();
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break;
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case ConcreteSlotValueType.Boolean:
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prop = new BooleanShaderProperty();
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break;
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case ConcreteSlotValueType.Matrix2:
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prop = new Matrix2ShaderProperty();
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break;
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case ConcreteSlotValueType.Matrix3:
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prop = new Matrix3ShaderProperty();
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break;
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case ConcreteSlotValueType.Matrix4:
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prop = new Matrix4ShaderProperty();
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break;
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case ConcreteSlotValueType.SamplerState:
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prop = new SamplerStateShaderProperty();
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break;
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case ConcreteSlotValueType.Gradient:
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prop = new GradientShaderProperty();
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break;
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default:
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throw new ArgumentOutOfRangeException();
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}
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if (prop != null)
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{
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var materialGraph = (GraphData)graphObject.graph;
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var fromPropertyNode = fromNode as PropertyNode;
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var fromProperty = fromPropertyNode != null ? materialGraph.properties.FirstOrDefault(p => p.guid == fromPropertyNode.propertyGuid) : null;
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prop.displayName = fromProperty != null ? fromProperty.displayName : fromSlot.concreteValueType.ToString();
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subGraph.AddGraphInput(prop);
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var propNode = new PropertyNode();
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{
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var drawState = propNode.drawState;
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drawState.position = new Rect(new Vector2(bounds.xMin - 300f, 0f) + propPos, drawState.position.size);
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propPos += new Vector2(0, height);
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propNode.drawState = drawState;
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}
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subGraph.AddNode(propNode);
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propNode.propertyGuid = prop.guid;
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foreach (var edge in group.edges)
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{
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subGraph.Connect(
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new SlotReference(propNode.guid, PropertyNode.OutputSlotId),
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new SlotReference(nodeGuidMap[edge.inputSlot.nodeGuid], edge.inputSlot.slotId));
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externalInputNeedingConnection.Add(new KeyValuePair<IEdge, AbstractShaderProperty>(edge, prop));
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}
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}
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}
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var uniqueOutgoingEdges = externalInputSlots.GroupBy(
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edge => edge.outputSlot,
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edge => edge,
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(key, edges) => new { slot = key, edges = edges.ToList() });
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var externalOutputsNeedingConnection = new List<KeyValuePair<IEdge, IEdge>>();
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foreach (var group in uniqueOutgoingEdges)
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{
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var outputNode = subGraph.outputNode as SubGraphOutputNode;
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AbstractMaterialNode node = graphView.graph.GetNodeFromGuid(group.edges[0].outputSlot.nodeGuid);
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MaterialSlot slot = node.FindSlot<MaterialSlot>(group.edges[0].outputSlot.slotId);
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var slotId = outputNode.AddSlot(slot.concreteValueType);
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var inputSlotRef = new SlotReference(outputNode.guid, slotId);
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foreach (var edge in group.edges)
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{
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var newEdge = subGraph.Connect(new SlotReference(nodeGuidMap[edge.outputSlot.nodeGuid], edge.outputSlot.slotId), inputSlotRef);
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externalOutputsNeedingConnection.Add(new KeyValuePair<IEdge, IEdge>(edge, newEdge));
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}
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}
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if(FileUtilities.WriteShaderGraphToDisk(path, subGraph))
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AssetDatabase.ImportAsset(path);
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|
|
var loadedSubGraph = AssetDatabase.LoadAssetAtPath(path, typeof(SubGraphAsset)) as SubGraphAsset;
|
|
if (loadedSubGraph == null)
|
|
return;
|
|
|
|
var subGraphNode = new SubGraphNode();
|
|
var ds = subGraphNode.drawState;
|
|
ds.position = new Rect(middle - new Vector2(100f, 150f), Vector2.zero);
|
|
subGraphNode.drawState = ds;
|
|
|
|
// Add the subgraph into the group if the nodes was all in the same group group
|
|
if (groupGuids.Count == 1)
|
|
{
|
|
subGraphNode.groupGuid = groupGuids[0];
|
|
}
|
|
|
|
graphObject.graph.AddNode(subGraphNode);
|
|
subGraphNode.asset = loadedSubGraph;
|
|
|
|
foreach (var edgeMap in externalInputNeedingConnection)
|
|
{
|
|
graphObject.graph.Connect(edgeMap.Key.outputSlot, new SlotReference(subGraphNode.guid, edgeMap.Value.guid.GetHashCode()));
|
|
}
|
|
|
|
foreach (var edgeMap in externalOutputsNeedingConnection)
|
|
{
|
|
graphObject.graph.Connect(new SlotReference(subGraphNode.guid, edgeMap.Value.inputSlot.slotId), edgeMap.Key.inputSlot);
|
|
}
|
|
|
|
graphObject.graph.RemoveElements(
|
|
graphView.selection.OfType<IShaderNodeView>().Select(x => x.node).Where(x => x.allowedInSubGraph).ToArray(),
|
|
new IEdge[] {},
|
|
new GroupData[] {},
|
|
graphView.selection.OfType<StickyNote>().Select(x => x.userData).ToArray());
|
|
graphObject.graph.ValidateGraph();
|
|
}
|
|
|
|
void UpdateShaderGraphOnDisk(string path)
|
|
{
|
|
if(FileUtilities.WriteShaderGraphToDisk(path, graphObject.graph))
|
|
AssetDatabase.ImportAsset(path);
|
|
}
|
|
|
|
public void Initialize(string assetGuid)
|
|
{
|
|
try
|
|
{
|
|
m_ColorSpace = PlayerSettings.colorSpace;
|
|
m_RenderPipelineAsset = GraphicsSettings.renderPipelineAsset;
|
|
|
|
var asset = AssetDatabase.LoadAssetAtPath<Object>(AssetDatabase.GUIDToAssetPath(assetGuid));
|
|
if (asset == null)
|
|
return;
|
|
|
|
if (!EditorUtility.IsPersistent(asset))
|
|
return;
|
|
|
|
if (selectedGuid == assetGuid)
|
|
return;
|
|
|
|
var path = AssetDatabase.GetAssetPath(asset);
|
|
var extension = Path.GetExtension(path);
|
|
if (extension == null)
|
|
return;
|
|
// Path.GetExtension returns the extension prefixed with ".", so we remove it. We force lower case such that
|
|
// the comparison will be case-insensitive.
|
|
extension = extension.Substring(1).ToLowerInvariant();
|
|
bool isSubGraph;
|
|
switch (extension)
|
|
{
|
|
case ShaderGraphImporter.Extension:
|
|
isSubGraph = false;
|
|
break;
|
|
case ShaderSubGraphImporter.Extension:
|
|
isSubGraph = true;
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
selectedGuid = assetGuid;
|
|
|
|
var textGraph = File.ReadAllText(path, Encoding.UTF8);
|
|
graphObject = CreateInstance<GraphObject>();
|
|
graphObject.hideFlags = HideFlags.HideAndDontSave;
|
|
graphObject.graph = JsonUtility.FromJson<GraphData>(textGraph);
|
|
graphObject.graph.assetGuid = assetGuid;
|
|
graphObject.graph.isSubGraph = isSubGraph;
|
|
graphObject.graph.messageManager = messageManager;
|
|
graphObject.graph.OnEnable();
|
|
graphObject.graph.ValidateGraph();
|
|
|
|
graphEditorView = new GraphEditorView(this, m_GraphObject.graph, messageManager)
|
|
{
|
|
viewDataKey = selectedGuid,
|
|
assetName = asset.name.Split('/').Last()
|
|
};
|
|
|
|
titleContent = new GUIContent(asset.name.Split('/').Last());
|
|
|
|
Repaint();
|
|
}
|
|
catch (Exception)
|
|
{
|
|
m_HasError = true;
|
|
m_GraphEditorView = null;
|
|
graphObject = null;
|
|
throw;
|
|
}
|
|
}
|
|
|
|
void OnGeometryChanged(GeometryChangedEvent evt)
|
|
{
|
|
graphEditorView.UnregisterCallback<GeometryChangedEvent>(OnGeometryChanged);
|
|
if (m_FrameAllAfterLayout)
|
|
graphEditorView.graphView.FrameAll();
|
|
m_FrameAllAfterLayout = false;
|
|
foreach (var node in m_GraphObject.graph.GetNodes<AbstractMaterialNode>())
|
|
node.Dirty(ModificationScope.Node);
|
|
}
|
|
}
|
|
}
|