public override void CopyDefaultValue(MaterialSlot other)
{
}
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 propertyNodeGuids = graphView.selection.OfType <IShaderNodeView>().Where(x => (x.node is PropertyNode)).Select(x => ((PropertyNode)x.node).propertyGuid);
var metaProperties = graphView.graph.properties.Where(x => propertyNodeGuids.Contains(x.guid));
// Collect the keyword nodes and get the corresponding keywords
var keywordNodeGuids = graphView.selection.OfType <IShaderNodeView>().Where(x => (x.node is KeywordNode)).Select(x => ((KeywordNode)x.node).keywordGuid);
var metaKeywords = graphView.graph.keywords.Where(x => keywordNodeGuids.Contains(x.guid));
var copyPasteGraph = new CopyPasteGraph(
graphView.graph.assetGuid,
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 IEdge),
graphInputs,
metaProperties,
metaKeywords,
graphView.selection.OfType <StickyNote>().Select(x => x.userData));
var deserialized = CopyPasteGraph.FromJson(JsonUtility.ToJson(copyPasteGraph, false));
if (deserialized == null)
{
return;
}
var subGraph = new GraphData {
isSubGraph = true
};
subGraph.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);
// Always copy deserialized keyword inputs
foreach (ShaderKeyword keyword in deserialized.metaKeywords)
{
ShaderInput copiedInput = 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.keywordGuid == keyword.guid);
foreach (var node in dependentKeywordNodes)
{
node.owner = graphView.graph;
node.keywordGuid = copiedInput.guid;
}
}
var groupGuidMap = new Dictionary <Guid, Guid>();
foreach (GroupData groupData in deserialized.groups)
{
var oldGuid = groupData.guid;
var newGuid = groupData.RewriteGuid();
groupGuidMap[oldGuid] = newGuid;
subGraph.CreateGroup(groupData);
}
List <Guid> groupGuids = new List <Guid>();
var nodeGuidMap = new Dictionary <Guid, Guid>();
foreach (var node in deserialized.GetNodes <AbstractMaterialNode>())
{
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;
if (!groupGuids.Contains(node.groupGuid))
{
groupGuids.Add(node.groupGuid);
}
// Checking if the group guid is also being copied.
// If not then nullify that guid
if (node.groupGuid != Guid.Empty)
{
node.groupGuid = !groupGuidMap.ContainsKey(node.groupGuid) ? Guid.Empty : groupGuidMap[node.groupGuid];
}
subGraph.AddNode(node);
}
foreach (var note in deserialized.stickyNotes)
{
if (!groupGuids.Contains(note.groupGuid))
{
groupGuids.Add(note.groupGuid);
}
if (note.groupGuid != Guid.Empty)
{
note.groupGuid = !groupGuidMap.ContainsKey(note.groupGuid) ? Guid.Empty : groupGuidMap[note.groupGuid];
}
note.RewriteGuid();
subGraph.AddStickyNote(note);
}
// 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, 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 = graphObject.graph.GetNodeFromGuid(sr.nodeGuid);
var fromSlot = fromNode.FindOutputSlot <MaterialSlot>(sr.slotId);
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;
default:
throw new ArgumentOutOfRangeException();
}
if (prop != null)
{
var materialGraph = (GraphData)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 : 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.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, 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 = graphView.graph.GetNodeFromGuid(group.edges[0].outputSlot.nodeGuid);
MaterialSlot slot = node.FindSlot <MaterialSlot>(group.edges[0].outputSlot.slotId);
var slotId = outputNode.AddSlot(slot.concreteValueType);
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));
}
}
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
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();
}
public override void CopyValuesFrom(MaterialSlot foundSlot)
{
throw new NotImplementedException();
}
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");
// Friendly warning that the user is generating a subgraph that would overwrite the one they are currently working on.
if (AssetDatabase.AssetPathToGUID(path) == selectedGuid)
{
if (!EditorUtility.DisplayDialog("Overwrite Current Subgraph", "Do you want to overwrite this Sub Graph that you are currently working on? You cannot undo this operation.", "Yes", "Cancel"))
{
path = "";
}
}
if (path.Length == 0)
{
return;
}
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();
// Convert To Subgraph could create recursive reference loops if the target path already exists
// Let's check for that here
if (!string.IsNullOrEmpty(path))
{
if (GraphUtil.CheckForRecursiveDependencyOnPendingSave(path, nodes.OfType <SubGraphNode>(), "Convert To SubGraph"))
{
return;
}
}
graphObject.RegisterCompleteObjectUndo("Convert To Subgraph");
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) != null)
{
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();
}
private static bool GenerateShaderPass(PBRMasterNode masterNode, Pass pass, GenerationMode mode, SurfaceMaterialOptions materialOptions, ShaderGenerator result)
{
var templateLocation = Path.Combine(Path.Combine(Path.Combine(HDEditorUtils.GetHDRenderPipelinePath(), "Editor"), "ShaderGraph"), pass.TemplateName);
if (!File.Exists(templateLocation))
{
// TODO: produce error here
return(false);
}
// grab all of the active nodes
var activeNodeList = ListPool <INode> .Get();
NodeUtils.DepthFirstCollectNodesFromNode(activeNodeList, masterNode, NodeUtils.IncludeSelf.Include, pass.PixelShaderSlots);
// graph requirements describe what the graph itself requires
var graphRequirements = ShaderGraphRequirements.FromNodes(activeNodeList, ShaderStageCapability.Fragment);
ShaderStringBuilder graphNodeFunctions = new ShaderStringBuilder();
graphNodeFunctions.IncreaseIndent();
var functionRegistry = new FunctionRegistry(graphNodeFunctions);
// Build the list of active slots based on what the pass requires
// TODO: this can be a shared function -- From here through GraphUtil.GenerateSurfaceDescription(..)
var activeSlots = new List <MaterialSlot>();
foreach (var id in pass.PixelShaderSlots)
{
MaterialSlot slot = masterNode.FindSlot <MaterialSlot>(id);
if (slot != null)
{
activeSlots.Add(slot);
}
}
// build the graph outputs structure to hold the results of each active slots (and fill out activeFields to indicate they are active)
string graphInputStructName = "SurfaceDescriptionInputs";
string graphOutputStructName = "SurfaceDescription";
string graphEvalFunctionName = "SurfaceDescriptionFunction";
ShaderStringBuilder graphEvalFunction = new ShaderStringBuilder();
ShaderStringBuilder graphOutputs = new ShaderStringBuilder();
PropertyCollector graphProperties = new PropertyCollector();
// build the graph outputs structure, and populate activeFields with the fields of that structure
HashSet <string> activeFields = new HashSet <string>();
GraphUtil.GenerateSurfaceDescriptionStruct(graphOutputs, activeSlots, true);
//GraphUtil.GenerateSurfaceDescriptionStruct(graphOutputs, activeSlots, true, graphOutputStructName, activeFields);
// Build the graph evaluation code, to evaluate the specified slots
GraphUtil.GenerateSurfaceDescriptionFunction(
activeNodeList,
masterNode,
masterNode.owner as AbstractMaterialGraph,
graphEvalFunction,
functionRegistry,
graphProperties,
graphRequirements, // TODO : REMOVE UNUSED
mode,
graphEvalFunctionName,
graphOutputStructName,
null,
activeSlots,
graphInputStructName);
var blendCode = new ShaderStringBuilder();
var cullCode = new ShaderStringBuilder();
var zTestCode = new ShaderStringBuilder();
var zWriteCode = new ShaderStringBuilder();
var stencilCode = new ShaderStringBuilder();
var colorMaskCode = new ShaderStringBuilder();
HDSubShaderUtilities.BuildRenderStatesFromPassAndMaterialOptions(pass, materialOptions, blendCode, cullCode, zTestCode, zWriteCode, stencilCode, colorMaskCode);
if (masterNode.twoSided.isOn)
{
activeFields.Add("DoubleSided");
if (pass.ShaderPassName != "SHADERPASS_VELOCITY") // HACK to get around lack of a good interpolator dependency system
{ // we need to be able to build interpolators using multiple input structs
// also: should only require isFrontFace if Normals are required...
activeFields.Add("DoubleSided.Mirror"); // TODO: change this depending on what kind of normal flip you want..
activeFields.Add("FragInputs.isFrontFace"); // will need this for determining normal flip mode
}
}
if (pass.PixelShaderSlots != null)
{
foreach (var slotId in pass.PixelShaderSlots)
{
var slot = masterNode.FindSlot <MaterialSlot>(slotId);
if (slot != null)
{
var rawSlotName = slot.RawDisplayName().ToString();
var descriptionVar = string.Format("{0}.{1}", graphOutputStructName, rawSlotName);
activeFields.Add(descriptionVar);
}
}
}
var packedInterpolatorCode = new ShaderGenerator();
var graphInputs = new ShaderGenerator();
HDRPShaderStructs.Generate(
packedInterpolatorCode,
graphInputs,
graphRequirements,
pass.RequiredFields,
CoordinateSpace.World,
activeFields);
// debug output all active fields
var interpolatorDefines = new ShaderGenerator();
{
interpolatorDefines.AddShaderChunk("// ACTIVE FIELDS:");
foreach (string f in activeFields)
{
interpolatorDefines.AddShaderChunk("// " + f);
}
}
ShaderGenerator defines = new ShaderGenerator();
{
defines.AddShaderChunk(string.Format("#define SHADERPASS {0}", pass.ShaderPassName), true);
if (pass.ExtraDefines != null)
{
foreach (var define in pass.ExtraDefines)
{
defines.AddShaderChunk(define);
}
}
defines.AddGenerator(interpolatorDefines);
}
var shaderPassIncludes = new ShaderGenerator();
if (pass.Includes != null)
{
foreach (var include in pass.Includes)
{
shaderPassIncludes.AddShaderChunk(include);
}
}
// build graph code
var graph = new ShaderGenerator();
graph.AddShaderChunk("// Graph Inputs");
graph.Indent();
graph.AddGenerator(graphInputs);
graph.Deindent();
graph.AddShaderChunk("// Graph Outputs");
graph.Indent();
graph.AddShaderChunk(graphOutputs.ToString());
//graph.AddGenerator(graphOutputs);
graph.Deindent();
graph.AddShaderChunk("// Graph Properties (uniform inputs)");
graph.AddShaderChunk(graphProperties.GetPropertiesDeclaration(1));
graph.AddShaderChunk("// Graph Node Functions");
graph.AddShaderChunk(graphNodeFunctions.ToString());
graph.AddShaderChunk("// Graph Evaluation");
graph.Indent();
graph.AddShaderChunk(graphEvalFunction.ToString());
//graph.AddGenerator(graphEvalFunction);
graph.Deindent();
// build the hash table of all named fragments TODO: could make this Dictionary<string, ShaderGenerator / string> ?
Dictionary <string, string> namedFragments = new Dictionary <string, string>();
namedFragments.Add("${Defines}", defines.GetShaderString(2, false));
namedFragments.Add("${Graph}", graph.GetShaderString(2, false));
namedFragments.Add("${LightMode}", pass.LightMode);
namedFragments.Add("${PassName}", pass.Name);
namedFragments.Add("${Includes}", shaderPassIncludes.GetShaderString(2, false));
namedFragments.Add("${InterpolatorPacking}", packedInterpolatorCode.GetShaderString(2, false));
namedFragments.Add("${Blending}", blendCode.ToString());
namedFragments.Add("${Culling}", cullCode.ToString());
namedFragments.Add("${ZTest}", zTestCode.ToString());
namedFragments.Add("${ZWrite}", zWriteCode.ToString());
namedFragments.Add("${Stencil}", stencilCode.ToString());
namedFragments.Add("${ColorMask}", colorMaskCode.ToString());
namedFragments.Add("${LOD}", materialOptions.lod.ToString());
namedFragments.Add("${VariantDefines}", GetVariantDefines(masterNode));
// process the template to generate the shader code for this pass TODO: could make this a shared function
string[] templateLines = File.ReadAllLines(templateLocation);
System.Text.StringBuilder builder = new System.Text.StringBuilder();
foreach (string line in templateLines)
{
ShaderSpliceUtil.PreprocessShaderCode(line, activeFields, namedFragments, builder);
builder.AppendLine();
}
result.AddShaderChunk(builder.ToString(), false);
return(true);
}
public void ToSubGraph()
{
var path = EditorUtility.SaveFilePanelInProject("Save Sub Graph", "New Shader Sub Graph", ShaderSubGraphImporter.Extension, "");
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 <IShaderNodeView>().Where(x => !(x.node is PropertyNode)).Select(x => x.node as AbstractMaterialNode).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 <IShaderNodeView>().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.assetGuid,
graphView.selection.OfType <ShaderGroup>().Select(x => x.userData),
graphView.selection.OfType <IShaderNodeView>().Where(x => !(x.node is PropertyNode)).Select(x => x.node as AbstractMaterialNode),
graphView.selection.OfType <Edge>().Select(x => x.userData as IEdge),
graphView.selection.OfType <BlackboardField>().Select(x => x.userData as AbstractShaderProperty),
metaProperties);
var deserialized = CopyPasteGraph.FromJson(JsonUtility.ToJson(copyPasteGraph, false));
if (deserialized == null)
{
return;
}
var subGraph = new GraphData {
isSubGraph = true
};
subGraph.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);
var nodeGuidMap = new Dictionary <Guid, Guid>();
foreach (var node in deserialized.GetNodes <AbstractMaterialNode>())
{
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, AbstractShaderProperty> >();
foreach (var group in uniqueIncomingEdges)
{
var sr = group.slotRef;
var fromNode = graphObject.graph.GetNodeFromGuid(sr.nodeGuid);
var fromSlot = fromNode.FindOutputSlot <MaterialSlot>(sr.slotId);
AbstractShaderProperty 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;
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;
default:
throw new ArgumentOutOfRangeException();
}
if (prop != null)
{
var materialGraph = (GraphData)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 : fromSlot.concreteValueType.ToString();
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, 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 = graphView.graph.GetNodeFromGuid(group.edges[0].outputSlot.nodeGuid);
MaterialSlot slot = node.FindSlot <MaterialSlot>(group.edges[0].outputSlot.slotId);
var slotId = outputNode.AddSlot(slot.concreteValueType);
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(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;
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 <IShaderNodeView>().Select(x => x.node as AbstractMaterialNode),
Enumerable.Empty <IEdge>(),
Enumerable.Empty <GroupData>());
graphObject.graph.ValidateGraph();
}
private void AddCallbacks()
{
m_ReorderableList.drawHeaderCallback = (Rect rect) =>
{
var labelRect = new Rect(rect.x, rect.y, rect.width - 10, rect.height);
EditorGUI.LabelField(labelRect, label);
};
// Draw Element
m_ReorderableList.drawElementCallback = (Rect rect, int index, bool isActive, bool isFocused) =>
{
rect.y += 2;
// Slot is guaranteed to exist in this UI state
MaterialSlot oldSlot = m_Node.FindSlot <MaterialSlot>((int)m_ReorderableList.list[index]);
EditorGUI.BeginChangeCheck();
var displayName = EditorGUI.DelayedTextField(new Rect(rect.x, rect.y, labelWidth, EditorGUIUtility.singleLineHeight), oldSlot.RawDisplayName(), labelStyle);
var shaderOutputName = NodeUtils.GetHLSLSafeName(displayName);
var concreteValueType = (ConcreteSlotValueType)EditorGUI.IntPopup(new Rect(rect.x + labelWidth, rect.y, rect.width - labelWidth, EditorGUIUtility.singleLineHeight), (int)oldSlot.concreteValueType, m_ValueTypeNames, m_ValueTypeIndices);
if (displayName != oldSlot.RawDisplayName())
{
displayName = NodeUtils.GetDuplicateSafeNameForSlot(m_Node, oldSlot.id, displayName);
}
if (EditorGUI.EndChangeCheck())
{
// Cant modify existing slots so need to create new and copy values
var newSlot = MaterialSlot.CreateMaterialSlot(concreteValueType.ToSlotValueType(), oldSlot.id, displayName, shaderOutputName, m_SlotType, Vector4.zero);
newSlot.CopyValuesFrom(oldSlot);
m_Node.AddSlot(newSlot);
// Need to get all current slots as everything after the edited slot in the list must be added again
List <MaterialSlot> slots = new List <MaterialSlot>();
if (m_SlotType == SlotType.Input)
{
m_Node.GetInputSlots <MaterialSlot>(slots);
}
else
{
m_Node.GetOutputSlots <MaterialSlot>(slots);
}
// Iterate all the slots
foreach (MaterialSlot slot in slots)
{
// Because the list doesnt match the slot IDs (reordering)
// Need to get the index in the list of every slot
int listIndex = 0;
for (int i = 0; i < m_ReorderableList.list.Count; i++)
{
if ((int)m_ReorderableList.list[i] == slot.id)
{
listIndex = i;
}
}
// Then for everything after the edited slot
if (listIndex <= index)
{
continue;
}
// Remove and re-add
m_Node.AddSlot(slot);
}
RecreateList();
m_Node.ValidateNode();
}
};
// Element height
m_ReorderableList.elementHeightCallback = (int indexer) =>
{
return(m_ReorderableList.elementHeight);
};
// Add callback delegates
m_ReorderableList.onSelectCallback += SelectEntry;
m_ReorderableList.onAddCallback += AddEntry;
m_ReorderableList.onRemoveCallback += RemoveEntry;
m_ReorderableList.onReorderCallback += ReorderEntries;
}
public void UpdateSlot(MaterialSlot newSlot)
{
m_Slot = newSlot;
Recreate();
}
