public void TestRemoveNode()
{
GraphData g = new GraphData("scope");
Node node = new Node("Node");
g.AddNode(node);
if (!g.ContainsNode(node))
{
Assert.Inconclusive("Node wasn't found in collection after adding it. Verify Add() functionality.");
}
// Remove the Node
g.RemoveNode(node);
// Make sure the Node has been removed
Assert.IsFalse(g.ContainsNode(node));
}
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();
}
public void TestRemoveMultipleNodes()
{
GraphData g = new GraphData("scope");
Node node1 = new Node("Node1");
Node node2 = new Node("Node2");
Node node3 = new Node("Node3");
Node node4 = new Node("Node4");
List<Node> nodes = new List<Node>
{
node1,
node2,
node3
};
g.AddNodes(nodes);
g.AddNode(node4);
g.RemoveNodes(nodes);
Assert.AreEqual(1, g.Count);
Assert.IsTrue(g.ContainsNode(node4));
}
public void TestRemoveEdgeDoesntRemoveNodes()
{
GraphData g = new GraphData("scope");
Node source = new Node("Source");
Node target = new Node("Target");
Edge edge = new Edge(source, target);
g.AddNode(source);
g.AddNode(target);
g.AddEdge(edge);
if (!g.ContainsEdge(edge))
{
Assert.Inconclusive("Edge not found in the collection after adding it.");
}
g.RemoveEdge(edge);
if (g.ContainsEdge(edge))
{
Assert.Inconclusive("Edge still found in the collection after removing it.");
}
Assert.IsTrue(g.ContainsNode(source));
Assert.IsTrue(g.ContainsNode(target));
}
public void TestContainsNode()
{
GraphData g = new GraphData("scope");
Node node = new Node("Node1");
g.AddNode(node);
Assert.IsTrue(g.ContainsNode(node));
}
public void TestAddingMultipleNodesRaisesCollectionChangedEvent()
{
bool eventFired = false;
NotifyCollectionChangedAction action = NotifyCollectionChangedAction.Reset;
GraphData g = new GraphData("scope");
Node node1 = new Node("Node1");
Node node2 = new Node("Node2");
Node node3 = new Node("Node3");
List<Node> nodes = new List<Node>
{
node1,
node2,
node3
};
g.CollectionChanged += (sender, e) =>
{
action = e.Action;
eventFired = true;
};
EnqueueCallback(() => g.AddNodes(nodes));
EnqueueConditional(() => eventFired);
EnqueueCallback(() => Assert.AreEqual(nodes.Count, g.Count));
EnqueueCallback(() => Assert.IsTrue(g.ContainsNode(node1)));
EnqueueCallback(() => Assert.IsTrue(g.ContainsNode(node2)));
EnqueueCallback(() => Assert.IsTrue(g.ContainsNode(node3)));
EnqueueCallback(() => Assert.AreEqual<NotifyCollectionChangedAction>(NotifyCollectionChangedAction.Add, action));
EnqueueTestComplete();
}
public void TestAddingMultipleNodes()
{
GraphData g = new GraphData("scope");
Node node1 = new Node("Node1");
Node node2 = new Node("Node2");
Node node3 = new Node("Node3");
List<Node> nodes = new List<Node>
{
node1,
node2,
node3
};
g.AddNodes(nodes);
Assert.AreEqual(nodes.Count, g.Count);
Assert.IsTrue(g.ContainsNode(node1));
Assert.IsTrue(g.ContainsNode(node2));
Assert.IsTrue(g.ContainsNode(node3));
}