您最多选择25个主题
主题必须以中文或者字母或数字开头，可以包含连字符 (-)，并且长度不得超过35个字符
500 行
19 KiB
500 行
19 KiB
using System;
|
|
using System.Collections.Generic;
|
|
using System.Diagnostics;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using UnityEditor.Experimental.UIElements;
|
|
using UnityEditor.Graphing.Util;
|
|
using UnityEngine;
|
|
using UnityEditor.Graphing;
|
|
using Debug = UnityEngine.Debug;
|
|
using Object = UnityEngine.Object;
|
|
using Edge = UnityEditor.Experimental.UIElements.GraphView.Edge;
|
|
using UnityEditor.Experimental.UIElements.GraphView;
|
|
using UnityEngine.Experimental.UIElements;
|
|
|
|
namespace UnityEditor.ShaderGraph.Drawing
|
|
{
|
|
public class MaterialGraphEditWindow : EditorWindow
|
|
{
|
|
[SerializeField]
|
|
string m_Selected;
|
|
|
|
[SerializeField]
|
|
GraphObject m_GraphObject;
|
|
|
|
[NonSerialized]
|
|
bool m_HasError;
|
|
|
|
[NonSerialized]
|
|
public bool forceRedrawPreviews = false;
|
|
|
|
ColorSpace m_ColorSpace;
|
|
|
|
GraphEditorView m_GraphEditorView;
|
|
|
|
GraphEditorView graphEditorView
|
|
{
|
|
get { return m_GraphEditorView; }
|
|
set
|
|
{
|
|
if (m_GraphEditorView != null)
|
|
{
|
|
m_GraphEditorView.RemoveFromHierarchy();
|
|
m_GraphEditorView.Dispose();
|
|
}
|
|
|
|
m_GraphEditorView = value;
|
|
if (m_GraphEditorView != null)
|
|
{
|
|
m_GraphEditorView.saveRequested += UpdateAsset;
|
|
m_GraphEditorView.convertToSubgraphRequested += ToSubGraph;
|
|
m_GraphEditorView.showInProjectRequested += PingAsset;
|
|
this.GetRootVisualContainer().Add(graphEditorView);
|
|
}
|
|
}
|
|
}
|
|
|
|
GraphObject graphObject
|
|
{
|
|
get { return m_GraphObject; }
|
|
set
|
|
{
|
|
if (m_GraphObject != null)
|
|
DestroyImmediate(m_GraphObject);
|
|
m_GraphObject = value;
|
|
}
|
|
}
|
|
|
|
public string selectedGuid
|
|
{
|
|
get { return m_Selected; }
|
|
private set { m_Selected = value; }
|
|
}
|
|
|
|
void Update()
|
|
{
|
|
if (m_HasError)
|
|
return;
|
|
|
|
if (PlayerSettings.colorSpace != m_ColorSpace)
|
|
{
|
|
graphEditorView = null;
|
|
m_ColorSpace = PlayerSettings.colorSpace;
|
|
}
|
|
|
|
try
|
|
{
|
|
if (graphObject == null && selectedGuid != null)
|
|
{
|
|
var guid = selectedGuid;
|
|
selectedGuid = null;
|
|
Initialize(guid);
|
|
}
|
|
|
|
if (graphObject == null)
|
|
{
|
|
Close();
|
|
return;
|
|
}
|
|
|
|
var materialGraph = graphObject.graph as AbstractMaterialGraph;
|
|
if (materialGraph == null)
|
|
return;
|
|
if (graphEditorView == null)
|
|
{
|
|
var asset = AssetDatabase.LoadAssetAtPath<Object>(AssetDatabase.GUIDToAssetPath(selectedGuid));
|
|
graphEditorView = new GraphEditorView(this, materialGraph, asset.name) { persistenceKey = selectedGuid };
|
|
m_ColorSpace = PlayerSettings.colorSpace;
|
|
}
|
|
|
|
if (forceRedrawPreviews)
|
|
{
|
|
// Redraw all previews
|
|
foreach (INode node in m_GraphObject.graph.GetNodes<INode>())
|
|
node.Dirty(ModificationScope.Node);
|
|
forceRedrawPreviews = false;
|
|
}
|
|
|
|
graphEditorView.HandleGraphChanges();
|
|
graphObject.graph.ClearChanges();
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_HasError = true;
|
|
m_GraphEditorView = null;
|
|
graphObject = null;
|
|
Debug.LogException(e);
|
|
throw;
|
|
}
|
|
}
|
|
|
|
void OnDisable()
|
|
{
|
|
graphEditorView = null;
|
|
}
|
|
|
|
void OnDestroy()
|
|
{
|
|
if (graphObject != null)
|
|
{
|
|
if (graphObject.isDirty && EditorUtility.DisplayDialog("Shader Graph Has Been Modified", "Do you want to save the changes you made in the shader graph?\n\nYour changes will be lost if you don't save them.", "Save", "Don't Save"))
|
|
UpdateAsset();
|
|
Undo.ClearUndo(graphObject);
|
|
DestroyImmediate(graphObject);
|
|
}
|
|
|
|
graphEditorView = null;
|
|
}
|
|
|
|
public void PingAsset()
|
|
{
|
|
if (selectedGuid != null)
|
|
{
|
|
var path = AssetDatabase.GUIDToAssetPath(selectedGuid);
|
|
var asset = AssetDatabase.LoadAssetAtPath<Object>(path);
|
|
EditorGUIUtility.PingObject(asset);
|
|
}
|
|
}
|
|
|
|
public void UpdateAsset()
|
|
{
|
|
if (selectedGuid != null && graphObject != null)
|
|
{
|
|
var path = AssetDatabase.GUIDToAssetPath(selectedGuid);
|
|
if (string.IsNullOrEmpty(path) || graphObject == null)
|
|
return;
|
|
|
|
if (m_GraphObject.graph.GetType() == typeof(MaterialGraph))
|
|
UpdateShaderGraphOnDisk(path);
|
|
|
|
if (m_GraphObject.graph.GetType() == typeof(SubGraph))
|
|
UpdateAbstractSubgraphOnDisk<SubGraph>(path);
|
|
|
|
graphObject.isDirty = false;
|
|
var windows = Resources.FindObjectsOfTypeAll<MaterialGraphEditWindow>();
|
|
foreach (var materialGraphEditWindow in windows)
|
|
{
|
|
materialGraphEditWindow.Rebuild();
|
|
}
|
|
}
|
|
}
|
|
|
|
public void ToSubGraph()
|
|
{
|
|
var path = EditorUtility.SaveFilePanelInProject("Save subgraph", "New SubGraph", "ShaderSubGraph", "");
|
|
path = path.Replace(Application.dataPath, "Assets");
|
|
if (path.Length == 0)
|
|
return;
|
|
|
|
graphObject.RegisterCompleteObjectUndo("Convert To Subgraph");
|
|
var graphView = graphEditorView.graphView;
|
|
|
|
var nodes = graphView.selection.OfType<MaterialNodeView>().Where(x => !(x.node is PropertyNode)).Select(x => x.node as INode).ToArray();
|
|
var bounds = Rect.MinMaxRect(float.PositiveInfinity, float.PositiveInfinity, float.NegativeInfinity, float.NegativeInfinity);
|
|
foreach (var node in nodes)
|
|
{
|
|
var center = node.drawState.position.center;
|
|
bounds = Rect.MinMaxRect(
|
|
Mathf.Min(bounds.xMin, center.x),
|
|
Mathf.Min(bounds.yMin, center.y),
|
|
Mathf.Max(bounds.xMax, center.x),
|
|
Mathf.Max(bounds.yMax, center.y));
|
|
}
|
|
var middle = bounds.center;
|
|
bounds.center = Vector2.zero;
|
|
|
|
// Collect the property nodes and get the corresponding properties
|
|
var propertyNodeGuids = graphView.selection.OfType<MaterialNodeView>().Where(x => (x.node is PropertyNode)).Select(x => ((PropertyNode)x.node).propertyGuid);
|
|
var metaProperties = graphView.graph.properties.Where(x => propertyNodeGuids.Contains(x.guid));
|
|
|
|
var copyPasteGraph = new CopyPasteGraph(
|
|
graphView.graph.guid,
|
|
graphView.selection.OfType<MaterialNodeView>().Where(x => !(x.node is PropertyNode)).Select(x => x.node as INode),
|
|
graphView.selection.OfType<Edge>().Select(x => x.userData as IEdge),
|
|
graphView.selection.OfType<BlackboardField>().Select(x => x.userData as IShaderProperty),
|
|
metaProperties);
|
|
|
|
var deserialized = CopyPasteGraph.FromJson(JsonUtility.ToJson(copyPasteGraph, false));
|
|
if (deserialized == null)
|
|
return;
|
|
|
|
var subGraph = new SubGraph();
|
|
var subGraphOutputNode = new SubGraphOutputNode();
|
|
{
|
|
var drawState = subGraphOutputNode.drawState;
|
|
drawState.position = new Rect(new Vector2(bounds.xMax + 200f, 0f), drawState.position.size);
|
|
subGraphOutputNode.drawState = drawState;
|
|
}
|
|
subGraph.AddNode(subGraphOutputNode);
|
|
|
|
var nodeGuidMap = new Dictionary<Guid, Guid>();
|
|
foreach (var node in deserialized.GetNodes<INode>())
|
|
{
|
|
var oldGuid = node.guid;
|
|
var newGuid = node.RewriteGuid();
|
|
nodeGuidMap[oldGuid] = newGuid;
|
|
var drawState = node.drawState;
|
|
drawState.position = new Rect(drawState.position.position - middle, drawState.position.size);
|
|
node.drawState = drawState;
|
|
subGraph.AddNode(node);
|
|
}
|
|
|
|
// figure out what needs remapping
|
|
var externalOutputSlots = new List<IEdge>();
|
|
var externalInputSlots = new List<IEdge>();
|
|
foreach (var edge in deserialized.edges)
|
|
{
|
|
var outputSlot = edge.outputSlot;
|
|
var inputSlot = edge.inputSlot;
|
|
|
|
Guid remappedOutputNodeGuid;
|
|
Guid remappedInputNodeGuid;
|
|
var outputSlotExistsInSubgraph = nodeGuidMap.TryGetValue(outputSlot.nodeGuid, out remappedOutputNodeGuid);
|
|
var inputSlotExistsInSubgraph = nodeGuidMap.TryGetValue(inputSlot.nodeGuid, out remappedInputNodeGuid);
|
|
|
|
// pasting nice internal links!
|
|
if (outputSlotExistsInSubgraph && inputSlotExistsInSubgraph)
|
|
{
|
|
var outputSlotRef = new SlotReference(remappedOutputNodeGuid, outputSlot.slotId);
|
|
var inputSlotRef = new SlotReference(remappedInputNodeGuid, inputSlot.slotId);
|
|
subGraph.Connect(outputSlotRef, inputSlotRef);
|
|
}
|
|
// one edge needs to go to outside world
|
|
else if (outputSlotExistsInSubgraph)
|
|
{
|
|
externalInputSlots.Add(edge);
|
|
}
|
|
else if (inputSlotExistsInSubgraph)
|
|
{
|
|
externalOutputSlots.Add(edge);
|
|
}
|
|
}
|
|
|
|
// Find the unique edges coming INTO the graph
|
|
var uniqueIncomingEdges = externalOutputSlots.GroupBy(
|
|
edge => edge.outputSlot,
|
|
edge => edge,
|
|
(key, edges) => new { slotRef = key, edges = edges.ToList() });
|
|
|
|
var externalInputNeedingConnection = new List<KeyValuePair<IEdge, IShaderProperty>>();
|
|
foreach (var group in uniqueIncomingEdges)
|
|
{
|
|
var sr = group.slotRef;
|
|
var fromNode = graphObject.graph.GetNodeFromGuid(sr.nodeGuid);
|
|
var fromSlot = fromNode.FindOutputSlot<MaterialSlot>(sr.slotId);
|
|
|
|
IShaderProperty prop;
|
|
switch (fromSlot.concreteValueType)
|
|
{
|
|
case ConcreteSlotValueType.Texture2D:
|
|
prop = new TextureShaderProperty();
|
|
break;
|
|
case ConcreteSlotValueType.Texture2DArray:
|
|
prop = new Texture2DArrayShaderProperty();
|
|
break;
|
|
case ConcreteSlotValueType.Texture3D:
|
|
prop = new Texture3DShaderProperty();
|
|
break;
|
|
case ConcreteSlotValueType.Cubemap:
|
|
prop = new CubemapShaderProperty();
|
|
break;
|
|
case ConcreteSlotValueType.Vector4:
|
|
prop = new Vector4ShaderProperty();
|
|
break;
|
|
case ConcreteSlotValueType.Vector3:
|
|
prop = new Vector3ShaderProperty();
|
|
break;
|
|
case ConcreteSlotValueType.Vector2:
|
|
prop = new Vector2ShaderProperty();
|
|
break;
|
|
case ConcreteSlotValueType.Vector1:
|
|
prop = new Vector1ShaderProperty();
|
|
break;
|
|
case ConcreteSlotValueType.Boolean:
|
|
prop = new BooleanShaderProperty();
|
|
break;
|
|
default:
|
|
throw new ArgumentOutOfRangeException();
|
|
}
|
|
|
|
if (prop != null)
|
|
{
|
|
var materialGraph = (AbstractMaterialGraph)graphObject.graph;
|
|
var fromPropertyNode = fromNode as PropertyNode;
|
|
var fromProperty = fromPropertyNode != null ? materialGraph.properties.FirstOrDefault(p => p.guid == fromPropertyNode.propertyGuid) : null;
|
|
prop.displayName = fromProperty != null ? fromProperty.displayName : fromNode.name;
|
|
subGraph.AddShaderProperty(prop);
|
|
var propNode = new PropertyNode();
|
|
{
|
|
var drawState = propNode.drawState;
|
|
drawState.position = new Rect(new Vector2(bounds.xMin - 300f, 0f), drawState.position.size);
|
|
propNode.drawState = drawState;
|
|
}
|
|
subGraph.AddNode(propNode);
|
|
propNode.propertyGuid = prop.guid;
|
|
|
|
foreach (var edge in group.edges)
|
|
{
|
|
subGraph.Connect(
|
|
new SlotReference(propNode.guid, PropertyNode.OutputSlotId),
|
|
new SlotReference(nodeGuidMap[edge.inputSlot.nodeGuid], edge.inputSlot.slotId));
|
|
externalInputNeedingConnection.Add(new KeyValuePair<IEdge, IShaderProperty>(edge, prop));
|
|
}
|
|
}
|
|
}
|
|
|
|
var uniqueOutgoingEdges = externalInputSlots.GroupBy(
|
|
edge => edge.inputSlot,
|
|
edge => edge,
|
|
(key, edges) => new { slot = key, edges = edges.ToList() });
|
|
|
|
var externalOutputsNeedingConnection = new List<KeyValuePair<IEdge, IEdge>>();
|
|
foreach (var group in uniqueOutgoingEdges)
|
|
{
|
|
var outputNode = subGraph.outputNode;
|
|
var slotId = outputNode.AddSlot();
|
|
|
|
var inputSlotRef = new SlotReference(outputNode.guid, slotId);
|
|
|
|
foreach (var edge in group.edges)
|
|
{
|
|
var newEdge = subGraph.Connect(new SlotReference(nodeGuidMap[edge.outputSlot.nodeGuid], edge.outputSlot.slotId), inputSlotRef);
|
|
externalOutputsNeedingConnection.Add(new KeyValuePair<IEdge, IEdge>(edge, newEdge));
|
|
}
|
|
}
|
|
|
|
File.WriteAllText(path, EditorJsonUtility.ToJson(subGraph));
|
|
AssetDatabase.ImportAsset(path);
|
|
|
|
var loadedSubGraph = AssetDatabase.LoadAssetAtPath(path, typeof(MaterialSubGraphAsset)) as MaterialSubGraphAsset;
|
|
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;
|
|
graphObject.graph.AddNode(subGraphNode);
|
|
subGraphNode.subGraphAsset = 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<MaterialNodeView>().Select(x => x.node as INode),
|
|
Enumerable.Empty<IEdge>());
|
|
graphObject.graph.ValidateGraph();
|
|
}
|
|
|
|
void UpdateAbstractSubgraphOnDisk<T>(string path) where T : SubGraph
|
|
{
|
|
var graph = graphObject.graph as T;
|
|
if (graph == null)
|
|
return;
|
|
|
|
File.WriteAllText(path, EditorJsonUtility.ToJson(graph, true));
|
|
AssetDatabase.ImportAsset(path);
|
|
}
|
|
|
|
void UpdateShaderGraphOnDisk(string path)
|
|
{
|
|
var graph = graphObject.graph as IShaderGraph;
|
|
if (graph == null)
|
|
return;
|
|
|
|
UpdateShaderGraphOnDisk(path, graph);
|
|
}
|
|
|
|
static void UpdateShaderGraphOnDisk(string path, IShaderGraph graph)
|
|
{
|
|
var shaderImporter = AssetImporter.GetAtPath(path) as ShaderGraphImporter;
|
|
if (shaderImporter == null)
|
|
return;
|
|
|
|
File.WriteAllText(path, EditorJsonUtility.ToJson(graph, true));
|
|
shaderImporter.SaveAndReimport();
|
|
AssetDatabase.ImportAsset(path);
|
|
}
|
|
|
|
private void Rebuild()
|
|
{
|
|
if (graphObject != null && graphObject.graph != null)
|
|
{
|
|
var subNodes = graphObject.graph.GetNodes<SubGraphNode>();
|
|
foreach (var node in subNodes)
|
|
node.UpdateSlots();
|
|
}
|
|
}
|
|
|
|
public void Initialize(string assetGuid)
|
|
{
|
|
try
|
|
{
|
|
m_ColorSpace = PlayerSettings.colorSpace;
|
|
|
|
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);
|
|
Type graphType;
|
|
switch (extension)
|
|
{
|
|
case ".ShaderGraph":
|
|
graphType = typeof(MaterialGraph);
|
|
break;
|
|
case ".ShaderSubGraph":
|
|
graphType = typeof(SubGraph);
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
selectedGuid = assetGuid;
|
|
|
|
var textGraph = File.ReadAllText(path, Encoding.UTF8);
|
|
graphObject = CreateInstance<GraphObject>();
|
|
graphObject.hideFlags = HideFlags.HideAndDontSave;
|
|
graphObject.graph = JsonUtility.FromJson(textGraph, graphType) as IGraph;
|
|
graphObject.graph.OnEnable();
|
|
graphObject.graph.ValidateGraph();
|
|
|
|
graphEditorView = new GraphEditorView(this, m_GraphObject.graph as AbstractMaterialGraph, asset.name) { persistenceKey = selectedGuid };
|
|
graphEditorView.RegisterCallback<GeometryChangedEvent>(OnGeometryChanged);
|
|
|
|
titleContent = new GUIContent(asset.name);
|
|
|
|
Repaint();
|
|
}
|
|
catch (Exception)
|
|
{
|
|
m_HasError = true;
|
|
m_GraphEditorView = null;
|
|
graphObject = null;
|
|
throw;
|
|
}
|
|
}
|
|
|
|
void OnGeometryChanged(GeometryChangedEvent evt)
|
|
{
|
|
graphEditorView.UnregisterCallback<GeometryChangedEvent>(OnGeometryChanged);
|
|
graphEditorView.graphView.FrameAll();
|
|
}
|
|
}
|
|
}
|