public void TestSerializableSlotCanSerialize()
{
var toSerialize = new List <MaterialSlot>()
{
new TestSlot(0, "InSlot", SlotType.Input, 0),
new TestSlot(1, "OutSlot", SlotType.Output, 5),
};
DummyJsonHolder dummyJsonHolder = new DummyJsonHolder(toSerialize);
var serialized = MultiJson.Serialize(dummyJsonHolder);
DummyJsonHolder dummyJsonHolder1 = new DummyJsonHolder();
MultiJson.Deserialize(dummyJsonHolder1, serialized);
Assert.AreEqual(2, dummyJsonHolder1.testSlots.Count);
var loaded = new List <MaterialSlot>(dummyJsonHolder1.testSlots.SelectValue());
Assert.IsInstanceOf <MaterialSlot>(loaded[0]);
Assert.IsInstanceOf <MaterialSlot>(loaded[1]);
Assert.AreEqual(0, loaded[0].id);
Assert.AreEqual("InSlot(4)", loaded[0].displayName);
Assert.IsTrue(loaded[0].isInputSlot);
Assert.AreEqual(1, loaded[1].id);
Assert.AreEqual("OutSlot(4)", loaded[1].displayName);
Assert.IsTrue(loaded[1].isOutputSlot);
}
// returns true only when the graph in this window would serialize different from the last time we loaded or saved it
internal bool GraphHasChangedSinceLastSerialization()
{
Assert.IsTrue(graphObject?.graph != null); // this should be checked by calling code
var currentGraphJson = MultiJson.Serialize(graphObject.graph);
return(!string.Equals(currentGraphJson, m_LastSerializedFileContents, StringComparison.Ordinal));
}
// returns true only when saving the graph in this window would serialize different from the file on disk
internal bool GraphIsDifferentFromFileOnDisk()
{
Assert.IsTrue(graphObject?.graph != null); // this should be checked by calling code
var currentGraphJson = MultiJson.Serialize(graphObject.graph);
var currentFileJson = ReadAssetFile();
return(!string.Equals(currentGraphJson, currentFileJson, StringComparison.Ordinal));
}
public static bool WriteShaderGraphToDisk(string path, GraphData data)
{
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
return(WriteToDisk(path, MultiJson.Serialize(data)));
}
bool IsDirty()
{
if (m_Deleted || graphObject.graph == null)
{
return(false); // Not dirty; it's gone.
}
var currentJson = MultiJson.Serialize(graphObject.graph);
var fileJson = File.ReadAllText(AssetDatabase.GUIDToAssetPath(selectedGuid));
return(!string.Equals(currentJson, fileJson, StringComparison.Ordinal));
}
public void OnBeforeSerialize()
{
if (graph != null)
{
var json = MultiJson.Serialize(graph);
m_SerializedGraph = new SerializationHelper.JSONSerializedElement {
JSONnodeData = json
};
m_IsSubGraph = graph.isSubGraph;
m_AssetGuid = graph.assetGuid;
}
}
public void WriteData(IEnumerable <AbstractShaderProperty> inputs, IEnumerable <ShaderKeyword> keywords, IEnumerable <ShaderDropdown> dropdowns, IEnumerable <AbstractShaderProperty> nodeProperties, IEnumerable <MaterialSlot> outputs, IEnumerable <Target> unsupportedTargets)
{
if (m_SubGraphData == null)
{
m_SubGraphData = new SubGraphData();
m_SubGraphData.OverrideObjectId(assetGuid, "_subGraphData");
}
m_SubGraphData.inputs.Clear();
m_SubGraphData.keywords.Clear();
m_SubGraphData.dropdowns.Clear();
m_SubGraphData.nodeProperties.Clear();
m_SubGraphData.outputs.Clear();
m_SubGraphData.unsupportedTargets.Clear();
foreach (var input in inputs)
{
m_SubGraphData.inputs.Add(input);
}
foreach (var keyword in keywords)
{
m_SubGraphData.keywords.Add(keyword);
}
foreach (var dropdown in dropdowns)
{
m_SubGraphData.dropdowns.Add(dropdown);
}
foreach (var nodeProperty in nodeProperties)
{
m_SubGraphData.nodeProperties.Add(nodeProperty);
}
foreach (var output in outputs)
{
m_SubGraphData.outputs.Add(output);
}
foreach (var unsupportedTarget in unsupportedTargets)
{
m_SubGraphData.unsupportedTargets.Add(unsupportedTarget);
}
var json = MultiJson.Serialize(m_SubGraphData);
m_SerializedSubGraphData = new SerializationHelper.JSONSerializedElement()
{
JSONnodeData = json
};
m_SubGraphData = null;
}
// if successfully written to disk, returns the serialized file contents as a string
// on failure, returns null
public static string WriteShaderGraphToDisk(string path, GraphData data)
{
if (data == null)
{
// Returning false may be better than throwing this exception, in terms of preserving data.
// But if GraphData is null, it's likely we don't have any data to preserve anyways.
// So this exception seems fine for now.
throw new ArgumentNullException(nameof(data));
}
var text = MultiJson.Serialize(data);
if (WriteToDisk(path, text))
{
return(text);
}
else
{
return(null);
}
}
public void WriteData(IEnumerable <AbstractShaderProperty> inputs, IEnumerable <ShaderKeyword> keywords, IEnumerable <AbstractShaderProperty> nodeProperties, IEnumerable <MaterialSlot> outputs)
{
if (m_SubGraphData == null)
{
m_SubGraphData = new SubGraphData();
}
m_SubGraphData.inputs.Clear();
m_SubGraphData.keywords.Clear();
m_SubGraphData.nodeProperties.Clear();
m_SubGraphData.outputs.Clear();
foreach (var input in inputs)
{
m_SubGraphData.inputs.Add(input);
}
foreach (var keyword in keywords)
{
m_SubGraphData.keywords.Add(keyword);
}
foreach (var nodeProperty in nodeProperties)
{
m_SubGraphData.nodeProperties.Add(nodeProperty);
}
foreach (var output in outputs)
{
m_SubGraphData.outputs.Add(output);
}
var json = MultiJson.Serialize(m_SubGraphData);
m_SerializedSubGraphData = new SerializationHelper.JSONSerializedElement()
{
JSONnodeData = json
};
m_SubGraphData = null;
}
public void ToSubGraph()
{
var graphView = graphEditorView.graphView;
string path;
string sessionStateResult = SessionState.GetString(k_PrevSubGraphPathKey, k_PrevSubGraphPathDefaultValue);
string pathToOriginSG = Path.GetDirectoryName(AssetDatabase.GUIDToAssetPath(selectedGuid));
if (!sessionStateResult.Equals(k_PrevSubGraphPathDefaultValue))
{
path = sessionStateResult;
}
else
{
path = pathToOriginSG;
}
path = EditorUtility.SaveFilePanelInProject("Save Sub Graph", "New Shader Sub Graph", ShaderSubGraphImporter.Extension, "", path);
path = path.Replace(Application.dataPath, "Assets");
if (path.Length == 0)
{
return;
}
graphObject.RegisterCompleteObjectUndo("Convert To Subgraph");
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();
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 graph inputs
var graphInputs = graphView.selection.OfType <BlackboardField>().Select(x => x.userData as ShaderInput);
// Collect the property nodes and get the corresponding properties
var propertyNodes = graphView.selection.OfType <IShaderNodeView>().Where(x => (x.node is PropertyNode)).Select(x => ((PropertyNode)x.node).property);
var metaProperties = graphView.graph.properties.Where(x => propertyNodes.Contains(x));
// Collect the keyword nodes and get the corresponding keywords
var keywordNodes = graphView.selection.OfType <IShaderNodeView>().Where(x => (x.node is KeywordNode)).Select(x => ((KeywordNode)x.node).keyword);
var metaKeywords = graphView.graph.keywords.Where(x => keywordNodes.Contains(x));
var copyPasteGraph = new CopyPasteGraph(graphView.selection.OfType <ShaderGroup>().Select(x => x.userData),
graphView.selection.OfType <IShaderNodeView>().Where(x => !(x.node is PropertyNode || x.node is SubGraphOutputNode)).Select(x => x.node).Where(x => x.allowedInSubGraph).ToArray(),
graphView.selection.OfType <Edge>().Select(x => x.userData as Graphing.Edge),
graphInputs,
metaProperties,
metaKeywords,
graphView.selection.OfType <StickyNote>().Select(x => x.userData),
true);
// why do we serialize and deserialize only to make copies of everything in the steps below?
// is this just to clear out all non-serialized data?
var deserialized = CopyPasteGraph.FromJson(MultiJson.Serialize(copyPasteGraph), graphView.graph);
if (deserialized == null)
{
return;
}
var subGraph = new GraphData {
isSubGraph = true, path = "Sub Graphs"
};
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);
subGraph.outputNode = subGraphOutputNode;
// Always copy deserialized keyword inputs
foreach (ShaderKeyword keyword in deserialized.metaKeywords)
{
var copiedInput = (ShaderKeyword)keyword.Copy();
subGraph.SanitizeGraphInputName(copiedInput);
subGraph.SanitizeGraphInputReferenceName(copiedInput, keyword.overrideReferenceName);
subGraph.AddGraphInput(copiedInput);
// Update the keyword nodes that depends on the copied keyword
var dependentKeywordNodes = deserialized.GetNodes <KeywordNode>().Where(x => x.keyword == keyword);
foreach (var node in dependentKeywordNodes)
{
node.owner = graphView.graph;
node.keyword = copiedInput;
}
}
foreach (GroupData groupData in deserialized.groups)
{
subGraph.CreateGroup(groupData);
}
foreach (var node in deserialized.GetNodes <AbstractMaterialNode>())
{
var drawState = node.drawState;
drawState.position = new Rect(drawState.position.position - middle, drawState.position.size);
node.drawState = drawState;
// Checking if the group guid is also being copied.
// If not then nullify that guid
if (node.group != null && !subGraph.groups.Contains(node.group))
{
node.group = null;
}
subGraph.AddNode(node);
}
foreach (var note in deserialized.stickyNotes)
{
if (note.group != null && !subGraph.groups.Contains(note.group))
{
note.group = null;
}
subGraph.AddStickyNote(note);
}
// figure out what needs remapping
var externalOutputSlots = new List <Graphing.Edge>();
var externalInputSlots = new List <Graphing.Edge>();
foreach (var edge in deserialized.edges)
{
var outputSlot = edge.outputSlot;
var inputSlot = edge.inputSlot;
var outputSlotExistsInSubgraph = subGraph.ContainsNode(outputSlot.node);
var inputSlotExistsInSubgraph = subGraph.ContainsNode(inputSlot.node);
// pasting nice internal links!
if (outputSlotExistsInSubgraph && inputSlotExistsInSubgraph)
{
subGraph.Connect(outputSlot, inputSlot);
}
// 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, AbstractShaderProperty> >();
var amountOfProps = uniqueIncomingEdges.Count();
const int height = 40;
const int subtractHeight = 20;
var propPos = new Vector2(0, -((amountOfProps / 2) + height) - subtractHeight);
foreach (var group in uniqueIncomingEdges)
{
var sr = group.slotRef;
var fromNode = sr.node;
var fromSlot = sr.slot;
var materialGraph = graphObject.graph;
var fromProperty = fromNode is PropertyNode fromPropertyNode
? materialGraph.properties.FirstOrDefault(p => p == fromPropertyNode.property)
: null;
AbstractShaderProperty prop;
switch (fromSlot.concreteValueType)
{
case ConcreteSlotValueType.Texture2D:
prop = new Texture2DShaderProperty();
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;
case ConcreteSlotValueType.Matrix2:
prop = new Matrix2ShaderProperty();
break;
case ConcreteSlotValueType.Matrix3:
prop = new Matrix3ShaderProperty();
break;
case ConcreteSlotValueType.Matrix4:
prop = new Matrix4ShaderProperty();
break;
case ConcreteSlotValueType.SamplerState:
prop = new SamplerStateShaderProperty();
break;
case ConcreteSlotValueType.Gradient:
prop = new GradientShaderProperty();
break;
case ConcreteSlotValueType.VirtualTexture:
prop = new VirtualTextureShaderProperty()
{
// also copy the VT settings over from the original property (if there is one)
value = (fromProperty as VirtualTextureShaderProperty)?.value ?? new SerializableVirtualTexture()
};
break;
default:
throw new ArgumentOutOfRangeException();
}
prop.displayName = fromProperty != null
? fromProperty.displayName
: fromSlot.concreteValueType.ToString();
prop.displayName = GraphUtil.SanitizeName(subGraph.addedInputs.Select(p => p.displayName), "{0} ({1})",
prop.displayName);
subGraph.AddGraphInput(prop);
var propNode = new PropertyNode();
{
var drawState = propNode.drawState;
drawState.position = new Rect(new Vector2(bounds.xMin - 300f, 0f) + propPos,
drawState.position.size);
propPos += new Vector2(0, height);
propNode.drawState = drawState;
}
subGraph.AddNode(propNode);
propNode.property = prop;
foreach (var edge in group.edges)
{
subGraph.Connect(
new SlotReference(propNode, PropertyNode.OutputSlotId),
edge.inputSlot);
externalInputNeedingConnection.Add(new KeyValuePair <IEdge, AbstractShaderProperty>(edge, prop));
}
}
var uniqueOutgoingEdges = externalInputSlots.GroupBy(
edge => edge.outputSlot,
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 as SubGraphOutputNode;
AbstractMaterialNode node = group.edges[0].outputSlot.node;
MaterialSlot slot = node.FindSlot <MaterialSlot>(group.edges[0].outputSlot.slotId);
var slotId = outputNode.AddSlot(slot.concreteValueType);
var inputSlotRef = new SlotReference(outputNode, slotId);
foreach (var edge in group.edges)
{
var newEdge = subGraph.Connect(edge.outputSlot, inputSlotRef);
externalOutputsNeedingConnection.Add(new KeyValuePair <IEdge, IEdge>(edge, newEdge));
}
}
if (FileUtilities.WriteShaderGraphToDisk(path, subGraph))
{
AssetDatabase.ImportAsset(path);
}
// Store path for next time
if (!pathToOriginSG.Equals(Path.GetDirectoryName(path)))
{
SessionState.SetString(k_PrevSubGraphPathKey, Path.GetDirectoryName(path));
}
else
{
// Or continue to make it so that next time it will open up in the converted-from SG's directory
SessionState.EraseString(k_PrevSubGraphPathKey);
}
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
var firstNode = copyPasteGraph.GetNodes <AbstractMaterialNode>().FirstOrDefault();
if (firstNode != null && copyPasteGraph.GetNodes <AbstractMaterialNode>().All(x => x.group == firstNode.group))
{
subGraphNode.group = firstNode.group;
}
subGraphNode.asset = loadedSubGraph;
graphObject.graph.AddNode(subGraphNode);
foreach (var edgeMap in externalInputNeedingConnection)
{
graphObject.graph.Connect(edgeMap.Key.outputSlot, new SlotReference(subGraphNode, edgeMap.Value.guid.GetHashCode()));
}
foreach (var edgeMap in externalOutputsNeedingConnection)
{
graphObject.graph.Connect(new SlotReference(subGraphNode, 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();
}