public override void OnImportAsset(AssetImportContext ctx)
{
var oldShader = AssetDatabase.LoadAssetAtPath <Shader>(ctx.assetPath);
if (oldShader != null)
{
ShaderUtil.ClearShaderErrors(oldShader);
}
List <PropertyCollector.TextureInfo> configuredTextures;
var text = GetShaderText <MaterialGraph>(ctx.assetPath, out configuredTextures);
if (text == null)
{
text = errorShader;
}
var shader = ShaderUtil.CreateShaderAsset(text);
EditorMaterialUtility.SetShaderDefaults(
shader,
configuredTextures.Where(x => x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
EditorMaterialUtility.SetShaderNonModifiableDefaults(
shader,
configuredTextures.Where(x => !x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => !x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
ctx.AddObjectToAsset("MainAsset", shader);
ctx.SetMainObject(shader);
}
public override void OnImportAsset(AssetImportContext ctx)
{
var oldShader = AssetDatabase.LoadAssetAtPath <Shader>(ctx.assetPath);
if (oldShader != null)
{
ShaderUtil.ClearShaderErrors(oldShader);
}
List <PropertyCollector.TextureInfo> configuredTextures;
string path = ctx.assetPath;
var sourceAssetDependencyPaths = new List <string>();
var text = GetShaderText(path, out configuredTextures, sourceAssetDependencyPaths);
var shader = ShaderUtil.CreateShaderAsset(text);
EditorMaterialUtility.SetShaderDefaults(
shader,
configuredTextures.Where(x => x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
EditorMaterialUtility.SetShaderNonModifiableDefaults(
shader,
configuredTextures.Where(x => !x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => !x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
ctx.AddObjectToAsset("MainAsset", shader);
ctx.SetMainObject(shader);
foreach (var sourceAssetDependencyPath in sourceAssetDependencyPaths.Distinct())
{
ctx.DependsOnSourceAsset(sourceAssetDependencyPath);
}
}
public override void OnImportAsset(AssetImportContext ctx)
{
var oldShader = AssetDatabase.LoadAssetAtPath <Shader>(ctx.assetPath);
if (oldShader != null)
{
ShaderUtil.ClearShaderMessages(oldShader);
}
List <PropertyCollector.TextureInfo> configuredTextures;
string path = ctx.assetPath;
var sourceAssetDependencyPaths = new List <string>();
var text = GetShaderText(path, out configuredTextures, sourceAssetDependencyPaths, out var graph);
var shader = ShaderUtil.CreateShaderAsset(text, false);
if (graph != null && graph.messageManager.nodeMessagesChanged)
{
foreach (var pair in graph.messageManager.GetNodeMessages())
{
var node = graph.GetNodeFromTempId(pair.Key);
MessageManager.Log(node, path, pair.Value.First(), shader);
}
}
EditorMaterialUtility.SetShaderDefaults(
shader,
configuredTextures.Where(x => x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
EditorMaterialUtility.SetShaderNonModifiableDefaults(
shader,
configuredTextures.Where(x => !x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => !x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
Texture2D texture = Resources.Load <Texture2D>("Icons/sg_graph_icon@64");
ctx.AddObjectToAsset("MainAsset", shader, texture);
ctx.SetMainObject(shader);
var metadata = ScriptableObject.CreateInstance <ShaderGraphMetadata>();
metadata.hideFlags = HideFlags.HideInHierarchy;
if (graph != null)
{
metadata.outputNodeTypeName = graph.outputNode.GetType().FullName;
}
ctx.AddObjectToAsset("Metadata", metadata);
foreach (var sourceAssetDependencyPath in sourceAssetDependencyPaths.Distinct())
{
// Ensure that dependency path is relative to project
if (!sourceAssetDependencyPath.StartsWith("Packages/") && !sourceAssetDependencyPath.StartsWith("Assets/"))
{
Debug.LogWarning($"Invalid dependency path: {sourceAssetDependencyPath}", shader);
continue;
}
ctx.DependsOnSourceAsset(sourceAssetDependencyPath);
}
}
public override void OnImportAsset(AssetImportContext ctx)
{
var oldShader = AssetDatabase.LoadAssetAtPath <Shader>(ctx.assetPath);
if (oldShader != null)
{
ShaderUtil.ClearShaderErrors(oldShader);
}
List <PropertyCollector.TextureInfo> configuredTextures;
string path = ctx.assetPath;
string shaderString = null;
var sourceAssetDependencyPaths = new List <string>();
var shaderName = Path.GetFileNameWithoutExtension(path);
try
{
var textGraph = File.ReadAllText(path, Encoding.UTF8);
var graph = JsonUtility.FromJson <MaterialGraph>(textGraph);
graph.LoadedFromDisk();
if (!string.IsNullOrEmpty(graph.path))
{
shaderName = graph.path + "/" + shaderName;
}
shaderString = graph.GetShader(shaderName, GenerationMode.ForReals, out configuredTextures, sourceAssetDependencyPaths);
foreach (var node in graph.GetNodes <AbstractMaterialNode>())
{
node.GetSourceAssetDependencies(sourceAssetDependencyPaths);
}
}
catch (Exception)
{
configuredTextures = new List <PropertyCollector.TextureInfo>();
// ignored
}
var text = shaderString ?? k_ErrorShader.Replace("Hidden/GraphErrorShader2", shaderName);
var shader = ShaderUtil.CreateShaderAsset(text);
EditorMaterialUtility.SetShaderDefaults(
shader,
configuredTextures.Where(x => x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
EditorMaterialUtility.SetShaderNonModifiableDefaults(
shader,
configuredTextures.Where(x => !x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => !x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
ctx.AddObjectToAsset("MainAsset", shader);
ctx.SetMainObject(shader);
foreach (var sourceAssetDependencyPath in sourceAssetDependencyPaths.Distinct())
{
ctx.DependsOnSourceAsset(sourceAssetDependencyPath);
}
}
protected override ActionResult PerformActionImplementation()
{
GameObject go = new GameObject();
var bezier = go.AddComponent <BezierShape>();
go.GetComponent <MeshRenderer>().sharedMaterial = EditorMaterialUtility.GetUserMaterial();
bezier.Init();
bezier.Refresh();
EditorUtility.InitObject(bezier.GetComponent <ProBuilderMesh>());
MeshSelection.SetSelection(go);
UndoUtility.RegisterCreatedObjectUndo(go, "Create Bezier Shape");
bezier.isEditing = true;
return(new ActionResult(ActionResult.Status.Success, "Create Bezier Shape"));
}
public override void OnImportAsset(AssetImportContext ctx)
{
var oldShader = AssetDatabase.LoadAssetAtPath <Shader>(ctx.assetPath);
if (oldShader != null)
{
ShaderUtil.ClearShaderMessages(oldShader);
}
List <PropertyCollector.TextureInfo> configuredTextures;
string path = ctx.assetPath;
var sourceAssetDependencyPaths = new List <string>();
var text = GetShaderText(path, out configuredTextures, sourceAssetDependencyPaths, out var graph);
var shader = ShaderUtil.CreateShaderAsset(text);
if (graph.messageManager.nodeMessagesChanged)
{
foreach (var pair in graph.messageManager.GetNodeMessages())
{
var node = graph.GetNodeFromTempId(pair.Key);
var errorString = $"Error in Shader Graph at {path} in node {node.name}: {pair.Value.First().message}";
Debug.LogError(errorString, shader);
}
}
EditorMaterialUtility.SetShaderDefaults(
shader,
configuredTextures.Where(x => x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
EditorMaterialUtility.SetShaderNonModifiableDefaults(
shader,
configuredTextures.Where(x => !x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => !x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
ctx.AddObjectToAsset("MainAsset", shader);
ctx.SetMainObject(shader);
foreach (var sourceAssetDependencyPath in sourceAssetDependencyPaths.Distinct())
{
// Ensure that dependency path is relative to project
if (!sourceAssetDependencyPath.StartsWith("Packages/") && !sourceAssetDependencyPath.StartsWith("Assets/"))
{
Debug.LogWarning($"Invalid dependency path: {sourceAssetDependencyPath}", shader);
continue;
}
ctx.DependsOnSourceAsset(sourceAssetDependencyPath);
}
}
public override void OnImportAsset(AssetImportContext ctx)
{
var oldShader = AssetDatabase.LoadAssetAtPath <Shader>(ctx.assetPath);
if (oldShader != null)
{
ShaderUtil.ClearShaderMessages(oldShader);
}
List <PropertyCollector.TextureInfo> configuredTextures;
string path = ctx.assetPath;
var sourceAssetDependencyPaths = new List <string>();
var text = GetShaderText(path, out configuredTextures, sourceAssetDependencyPaths);
var shader = ShaderUtil.CreateShaderAsset(text);
EditorMaterialUtility.SetShaderDefaults(
shader,
configuredTextures.Where(x => x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
EditorMaterialUtility.SetShaderNonModifiableDefaults(
shader,
configuredTextures.Where(x => !x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => !x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
ctx.AddObjectToAsset("MainAsset", shader);
ctx.SetMainObject(shader);
foreach (var sourceAssetDependencyPath in sourceAssetDependencyPaths.Distinct())
{
// Ensure that dependency path is relative to project
if (!sourceAssetDependencyPath.StartsWith("Packages/") && !sourceAssetDependencyPath.StartsWith("Assets/"))
{
Debug.LogWarning($"Invalid dependency path: {sourceAssetDependencyPath}");
continue;
}
ctx.DependsOnSourceAsset(sourceAssetDependencyPath);
}
}
public override void OnImportAsset(AssetImportContext ctx)
{
var oldShader = AssetDatabase.LoadAssetAtPath <Shader>(ctx.assetPath);
if (oldShader != null)
{
ShaderUtil.ClearShaderMessages(oldShader);
}
List <PropertyCollector.TextureInfo> configuredTextures;
string path = ctx.assetPath;
AssetCollection assetCollection = new AssetCollection();
MinimalGraphData.GatherMinimalDependenciesFromFile(assetPath, assetCollection);
var textGraph = File.ReadAllText(path, Encoding.UTF8);
var graph = new GraphData
{
messageManager = new MessageManager(), assetGuid = AssetDatabase.AssetPathToGUID(path)
};
MultiJson.Deserialize(graph, textGraph);
graph.OnEnable();
graph.ValidateGraph();
Shader shader = null;
#if VFX_GRAPH_10_0_0_OR_NEWER
if (!graph.isOnlyVFXTarget)
#endif
{
// build the shader text
// this will also add Target dependencies into the asset collection
var text = GetShaderText(path, out configuredTextures, assetCollection, graph);
#if UNITY_2021_1_OR_NEWER
// 2021.1 or later is guaranteed to have the new version of this function
shader = ShaderUtil.CreateShaderAsset(ctx, text, false);
#else
// earlier builds of Unity may or may not have it
// here we try to invoke the new version via reflection
var createShaderAssetMethod = typeof(ShaderUtil).GetMethod(
"CreateShaderAsset",
System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.ExactBinding,
null,
new Type[] { typeof(AssetImportContext), typeof(string), typeof(bool) },
null);
if (createShaderAssetMethod != null)
{
shader = createShaderAssetMethod.Invoke(null, new Object[] { ctx, text, false }) as Shader;
}
else
{
// method doesn't exist in this version of Unity, call old version
// this doesn't create dependencies properly, but is the best that we can do
shader = ShaderUtil.CreateShaderAsset(text, false);
}
#endif
if (graph.messageManager.nodeMessagesChanged)
{
foreach (var pair in graph.messageManager.GetNodeMessages())
{
var node = graph.GetNodeFromId(pair.Key);
MessageManager.Log(node, path, pair.Value.First(), shader);
}
}
EditorMaterialUtility.SetShaderDefaults(
shader,
configuredTextures.Where(x => x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
EditorMaterialUtility.SetShaderNonModifiableDefaults(
shader,
configuredTextures.Where(x => !x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => !x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
}
UnityEngine.Object mainObject = shader;
#if VFX_GRAPH_10_0_0_OR_NEWER
ShaderGraphVfxAsset vfxAsset = null;
if (graph.hasVFXTarget)
{
vfxAsset = GenerateVfxShaderGraphAsset(graph);
if (mainObject == null)
{
mainObject = vfxAsset;
}
else
{
//Correct main object if we have a shader and ShaderGraphVfxAsset : save as sub asset
vfxAsset.name = Path.GetFileNameWithoutExtension(path);
ctx.AddObjectToAsset("VFXShaderGraph", vfxAsset);
}
}
#endif
Texture2D texture = Resources.Load <Texture2D>("Icons/sg_graph_icon");
ctx.AddObjectToAsset("MainAsset", mainObject, texture);
ctx.SetMainObject(mainObject);
foreach (var target in graph.activeTargets)
{
if (target is IHasMetadata iHasMetadata)
{
var metadata = iHasMetadata.GetMetadataObject();
if (metadata == null)
{
continue;
}
metadata.hideFlags = HideFlags.HideInHierarchy;
ctx.AddObjectToAsset($"{iHasMetadata.identifier}:Metadata", metadata);
}
}
var sgMetadata = ScriptableObject.CreateInstance <ShaderGraphMetadata>();
sgMetadata.hideFlags = HideFlags.HideInHierarchy;
sgMetadata.assetDependencies = new List <UnityEngine.Object>();
foreach (var asset in assetCollection.assets)
{
if (asset.Value.HasFlag(AssetCollection.Flags.IncludeInExportPackage))
{
// this sucks that we have to fully load these assets just to set the reference,
// which then gets serialized as the GUID that we already have here. :P
var dependencyPath = AssetDatabase.GUIDToAssetPath(asset.Key);
if (!string.IsNullOrEmpty(dependencyPath))
{
sgMetadata.assetDependencies.Add(
AssetDatabase.LoadAssetAtPath(dependencyPath, typeof(UnityEngine.Object)));
}
}
}
ctx.AddObjectToAsset("SGInternal:Metadata", sgMetadata);
// declare dependencies
foreach (var asset in assetCollection.assets)
{
if (asset.Value.HasFlag(AssetCollection.Flags.SourceDependency))
{
ctx.DependsOnSourceAsset(asset.Key);
// I'm not sure if this warning below is actually used or not, keeping it to be safe
var assetPath = AssetDatabase.GUIDToAssetPath(asset.Key);
// Ensure that dependency path is relative to project
if (!string.IsNullOrEmpty(assetPath) && !assetPath.StartsWith("Packages/") && !assetPath.StartsWith("Assets/"))
{
Debug.LogWarning($"Invalid dependency path: {assetPath}", mainObject);
}
}
// NOTE: dependencies declared by GatherDependenciesFromSourceFile are automatically registered as artifact dependencies
// HOWEVER: that path ONLY grabs dependencies via MinimalGraphData, and will fail to register dependencies
// on GUIDs that don't exist in the project. For both of those reasons, we re-declare the dependencies here.
if (asset.Value.HasFlag(AssetCollection.Flags.ArtifactDependency))
{
ctx.DependsOnArtifact(asset.Key);
}
}
}
public override void OnImportAsset(AssetImportContext ctx)
{
var oldShader = AssetDatabase.LoadAssetAtPath <Shader>(ctx.assetPath);
if (oldShader != null)
{
ShaderUtil.ClearShaderMessages(oldShader);
}
List <PropertyCollector.TextureInfo> configuredTextures;
string path = ctx.assetPath;
var sourceAssetDependencyPaths = new List <string>();
var textGraph = File.ReadAllText(path, Encoding.UTF8);
var graph = new GraphData
{
messageManager = new MessageManager(), assetGuid = AssetDatabase.AssetPathToGUID(path)
};
MultiJson.Deserialize(graph, textGraph);
graph.OnEnable();
graph.ValidateGraph();
Shader shader = null;
#if VFX_GRAPH_10_0_0_OR_NEWER
if (!graph.isOnlyVFXTarget)
#endif
{
var text = GetShaderText(path, out configuredTextures, sourceAssetDependencyPaths, graph);
#if UNITY_2021_1_OR_NEWER
// 2021.1 or later is guaranteed to have the new version of this function
shader = ShaderUtil.CreateShaderAsset(ctx, text, false);
#else
// earlier builds of Unity may or may not have it
// here we try to invoke the new version via reflection
var createShaderAssetMethod = typeof(ShaderUtil).GetMethod(
"CreateShaderAsset",
System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.ExactBinding,
null,
new Type[] { typeof(AssetImportContext), typeof(string), typeof(bool) },
null);
if (createShaderAssetMethod != null)
{
shader = createShaderAssetMethod.Invoke(null, new Object[] { ctx, text, false }) as Shader;
}
else
{
// method doesn't exist in this version of Unity, call old version
// this doesn't create dependencies properly, but is the best that we can do
shader = ShaderUtil.CreateShaderAsset(text, false);
}
#endif
if (graph.messageManager.nodeMessagesChanged)
{
foreach (var pair in graph.messageManager.GetNodeMessages())
{
var node = graph.GetNodeFromId(pair.Key);
MessageManager.Log(node, path, pair.Value.First(), shader);
}
}
EditorMaterialUtility.SetShaderDefaults(
shader,
configuredTextures.Where(x => x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
EditorMaterialUtility.SetShaderNonModifiableDefaults(
shader,
configuredTextures.Where(x => !x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => !x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
}
UnityEngine.Object mainObject = shader;
#if VFX_GRAPH_10_0_0_OR_NEWER
ShaderGraphVfxAsset vfxAsset = null;
if (graph.hasVFXTarget)
{
vfxAsset = GenerateVfxShaderGraphAsset(graph);
if (mainObject == null)
{
mainObject = vfxAsset;
}
else
{
//Correct main object if we have a shader and ShaderGraphVfxAsset : save as sub asset
vfxAsset.name = Path.GetFileNameWithoutExtension(path);
ctx.AddObjectToAsset("VFXShaderGraph", vfxAsset);
}
}
#endif
Texture2D texture = Resources.Load <Texture2D>("Icons/sg_graph_icon@64");
ctx.AddObjectToAsset("MainAsset", mainObject, texture);
ctx.SetMainObject(mainObject);
foreach (var target in graph.activeTargets)
{
if (target is IHasMetadata iHasMetadata)
{
var metadata = iHasMetadata.GetMetadataObject();
if (metadata == null)
{
continue;
}
metadata.hideFlags = HideFlags.HideInHierarchy;
ctx.AddObjectToAsset($"{iHasMetadata.identifier}:Metadata", metadata);
}
}
var sgMetadata = ScriptableObject.CreateInstance <ShaderGraphMetadata>();
sgMetadata.hideFlags = HideFlags.HideInHierarchy;
sgMetadata.assetDependencies = new List <UnityEngine.Object>();
var deps = GatherDependenciesFromSourceFile(ctx.assetPath);
foreach (string dependency in deps)
{
sgMetadata.assetDependencies.Add(AssetDatabase.LoadAssetAtPath(dependency, typeof(UnityEngine.Object)));
}
ctx.AddObjectToAsset("SGInternal:Metadata", sgMetadata);
foreach (var sourceAssetDependencyPath in sourceAssetDependencyPaths.Distinct())
{
// Ensure that dependency path is relative to project
if (!sourceAssetDependencyPath.StartsWith("Packages/") && !sourceAssetDependencyPath.StartsWith("Assets/"))
{
Debug.LogWarning($"Invalid dependency path: {sourceAssetDependencyPath}", mainObject);
continue;
}
ctx.DependsOnSourceAsset(sourceAssetDependencyPath);
}
}
public override void OnImportAsset(AssetImportContext ctx)
{
var oldShader = AssetDatabase.LoadAssetAtPath <Shader>(ctx.assetPath);
if (oldShader != null)
{
ShaderUtil.ClearShaderMessages(oldShader);
}
List <PropertyCollector.TextureInfo> configuredTextures;
string path = ctx.assetPath;
var sourceAssetDependencyPaths = new List <string>();
UnityEngine.Object mainObject;
var textGraph = File.ReadAllText(path, Encoding.UTF8);
var graph = new GraphData
{
messageManager = new MessageManager(), assetGuid = AssetDatabase.AssetPathToGUID(path)
};
MultiJson.Deserialize(graph, textGraph);
graph.OnEnable();
graph.ValidateGraph();
// TODO: How to handle this?
if (graph.isVFXTarget)
{
var vfxAsset = GenerateVfxShaderGraphAsset(graph);
mainObject = vfxAsset;
}
else
{
var text = GetShaderText(path, out configuredTextures, sourceAssetDependencyPaths, graph);
var shader = ShaderUtil.CreateShaderAsset(text, false);
if (graph != null && graph.messageManager.nodeMessagesChanged)
{
foreach (var pair in graph.messageManager.GetNodeMessages())
{
var node = graph.GetNodeFromId(pair.Key);
MessageManager.Log(node, path, pair.Value.First(), shader);
}
}
EditorMaterialUtility.SetShaderDefaults(
shader,
configuredTextures.Where(x => x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
EditorMaterialUtility.SetShaderNonModifiableDefaults(
shader,
configuredTextures.Where(x => !x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => !x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
mainObject = shader;
}
Texture2D texture = Resources.Load <Texture2D>("Icons/sg_graph_icon@64");
ctx.AddObjectToAsset("MainAsset", mainObject, texture);
ctx.SetMainObject(mainObject);
if (graph != null)
{
foreach (var target in graph.activeTargets)
{
if (target is IHasMetadata iHasMetadata)
{
var metadata = iHasMetadata.GetMetadataObject();
if (metadata == null)
{
continue;
}
metadata.hideFlags = HideFlags.HideInHierarchy;
ctx.AddObjectToAsset($"{iHasMetadata.identifier}:Metadata", metadata);
}
}
}
var sgMetadata = ScriptableObject.CreateInstance <ShaderGraphMetadata>();
sgMetadata.hideFlags = HideFlags.HideInHierarchy;
sgMetadata.assetDependencies = new List <UnityEngine.Object>();
var deps = GatherDependenciesFromSourceFile(ctx.assetPath);
foreach (string dependency in deps)
{
sgMetadata.assetDependencies.Add(AssetDatabase.LoadAssetAtPath(dependency, typeof(UnityEngine.Object)));
}
ctx.AddObjectToAsset("SGInternal:Metadata", sgMetadata);
foreach (var sourceAssetDependencyPath in sourceAssetDependencyPaths.Distinct())
{
// Ensure that dependency path is relative to project
if (!sourceAssetDependencyPath.StartsWith("Packages/") && !sourceAssetDependencyPath.StartsWith("Assets/"))
{
Debug.LogWarning($"Invalid dependency path: {sourceAssetDependencyPath}", mainObject);
continue;
}
ctx.DependsOnSourceAsset(sourceAssetDependencyPath);
}
}
Shader BuildAllShaders(
AssetImportContext importContext,
AssetImportErrorLog importErrorLog,
AssetCollection allImportAssetDependencies,
GraphData graph)
{
Shader primaryShader = null;
string path = importContext.assetPath;
var primaryShaderName = Path.GetFileNameWithoutExtension(path);
try
{
// this will also add Target dependencies into the asset collection
Generator generator;
generator = new Generator(graph, graph.outputNode, GenerationMode.ForReals, primaryShaderName, assetCollection: allImportAssetDependencies);
bool first = true;
foreach (var generatedShader in generator.allGeneratedShaders)
{
var shaderString = generatedShader.codeString;
// we only care if an error was reported for a node that we actually used
if (graph.messageManager.AnyError((nodeId) => NodeWasUsedByGraph(nodeId, graph)) ||
shaderString == null)
{
shaderString = k_ErrorShader.Replace("Hidden/GraphErrorShader2", generatedShader.shaderName);
}
var shader = ShaderUtil.CreateShaderAsset(importContext, shaderString, false);
ReportErrors(graph, shader, path, importErrorLog);
EditorMaterialUtility.SetShaderDefaults(
shader,
generatedShader.assignedTextures.Where(x => x.modifiable).Select(x => x.name).ToArray(),
generatedShader.assignedTextures.Where(x => x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
EditorMaterialUtility.SetShaderNonModifiableDefaults(
shader,
generatedShader.assignedTextures.Where(x => !x.modifiable).Select(x => x.name).ToArray(),
generatedShader.assignedTextures.Where(x => !x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
if (first)
{
// first shader is always the primary shader
// we return the primary shader so it can be attached to the import context at the outer level
// allowing it to bind a custom icon as well
primaryShader = shader;
// only the main shader gets a material created
Material material = new Material(shader)
{
name = primaryShaderName + " Material"
};
importContext.AddObjectToAsset("Material", material);
first = false;
}
else
{
importContext.AddObjectToAsset($"Shader-{generatedShader.shaderName}", shader);
}
}
}
catch (Exception e)
{
Debug.LogException(e);
// ignored
}
return(primaryShader);
}
public override void OnImportAsset(AssetImportContext ctx)
{
var oldShader = AssetDatabase.LoadAssetAtPath <Shader>(ctx.assetPath);
if (oldShader != null)
{
ShaderUtil.ClearShaderMessages(oldShader);
}
List <PropertyCollector.TextureInfo> configuredTextures;
string path = ctx.assetPath;
AssetCollection assetCollection = new AssetCollection();
MinimalGraphData.GatherMinimalDependenciesFromFile(assetPath, assetCollection);
var textGraph = File.ReadAllText(path, Encoding.UTF8);
var graph = new GraphData
{
messageManager = new MessageManager(), assetGuid = AssetDatabase.AssetPathToGUID(path)
};
MultiJson.Deserialize(graph, textGraph);
graph.OnEnable();
graph.ValidateGraph();
Shader shader = null;
#if VFX_GRAPH_10_0_0_OR_NEWER
if (!graph.isOnlyVFXTarget)
#endif
{
// build the shader text
// this will also add Target dependencies into the asset collection
var text = GetShaderText(path, out configuredTextures, assetCollection, graph);
#if UNITY_2021_1_OR_NEWER
// 2021.1 or later is guaranteed to have the new version of this function
shader = ShaderUtil.CreateShaderAsset(ctx, text, false);
#else
// earlier builds of Unity may or may not have it
// here we try to invoke the new version via reflection
var createShaderAssetMethod = typeof(ShaderUtil).GetMethod(
"CreateShaderAsset",
System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.ExactBinding,
null,
new Type[] { typeof(AssetImportContext), typeof(string), typeof(bool) },
null);
if (createShaderAssetMethod != null)
{
shader = createShaderAssetMethod.Invoke(null, new Object[] { ctx, text, false }) as Shader;
}
else
{
// method doesn't exist in this version of Unity, call old version
// this doesn't create dependencies properly, but is the best that we can do
shader = ShaderUtil.CreateShaderAsset(text, false);
}
#endif
ReportErrors(graph, shader, path);
EditorMaterialUtility.SetShaderDefaults(
shader,
configuredTextures.Where(x => x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
EditorMaterialUtility.SetShaderNonModifiableDefaults(
shader,
configuredTextures.Where(x => !x.modifiable).Select(x => x.name).ToArray(),
configuredTextures.Where(x => !x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
}
UnityEngine.Object mainObject = shader;
#if VFX_GRAPH_10_0_0_OR_NEWER
ShaderGraphVfxAsset vfxAsset = null;
if (graph.hasVFXTarget)
{
vfxAsset = GenerateVfxShaderGraphAsset(graph);
if (mainObject == null)
{
mainObject = vfxAsset;
}
else
{
//Correct main object if we have a shader and ShaderGraphVfxAsset : save as sub asset
vfxAsset.name = Path.GetFileNameWithoutExtension(path);
ctx.AddObjectToAsset("VFXShaderGraph", vfxAsset);
}
}
#endif
Texture2D texture = Resources.Load <Texture2D>("Icons/sg_graph_icon");
ctx.AddObjectToAsset("MainAsset", mainObject, texture);
ctx.SetMainObject(mainObject);
foreach (var target in graph.activeTargets)
{
if (target is IHasMetadata iHasMetadata)
{
var metadata = iHasMetadata.GetMetadataObject();
if (metadata == null)
{
continue;
}
metadata.hideFlags = HideFlags.HideInHierarchy;
ctx.AddObjectToAsset($"{iHasMetadata.identifier}:Metadata", metadata);
}
}
var sgMetadata = ScriptableObject.CreateInstance <ShaderGraphMetadata>();
sgMetadata.hideFlags = HideFlags.HideInHierarchy;
sgMetadata.assetDependencies = new List <UnityEngine.Object>();
foreach (var asset in assetCollection.assets)
{
if (asset.Value.HasFlag(AssetCollection.Flags.IncludeInExportPackage))
{
// this sucks that we have to fully load these assets just to set the reference,
// which then gets serialized as the GUID that we already have here. :P
var dependencyPath = AssetDatabase.GUIDToAssetPath(asset.Key);
if (!string.IsNullOrEmpty(dependencyPath))
{
sgMetadata.assetDependencies.Add(
AssetDatabase.LoadAssetAtPath(dependencyPath, typeof(UnityEngine.Object)));
}
}
}
List <MinimalCategoryData.GraphInputData> inputInspectorDataList = new List <MinimalCategoryData.GraphInputData>();
foreach (AbstractShaderProperty property in graph.properties)
{
// Don't write out data for non-exposed blackboard items
if (!property.isExposed)
{
continue;
}
// VTs are treated differently
if (property is VirtualTextureShaderProperty virtualTextureShaderProperty)
{
inputInspectorDataList.Add(MinimalCategoryData.ProcessVirtualTextureProperty(virtualTextureShaderProperty));
}
else
{
inputInspectorDataList.Add(new MinimalCategoryData.GraphInputData()
{
referenceName = property.referenceName, propertyType = property.propertyType, isKeyword = false
});
}
}
foreach (ShaderKeyword keyword in graph.keywords)
{
// Don't write out data for non-exposed blackboard items
if (!keyword.isExposed)
{
continue;
}
var sanitizedReferenceName = keyword.referenceName;
if (keyword.keywordType == KeywordType.Boolean && keyword.referenceName.Contains("_ON"))
{
sanitizedReferenceName = sanitizedReferenceName.Replace("_ON", String.Empty);
}
inputInspectorDataList.Add(new MinimalCategoryData.GraphInputData()
{
referenceName = sanitizedReferenceName, keywordType = keyword.keywordType, isKeyword = true
});
}
sgMetadata.categoryDatas = new List <MinimalCategoryData>();
foreach (CategoryData categoryData in graph.categories)
{
// Don't write out empty categories
if (categoryData.childCount == 0)
{
continue;
}
MinimalCategoryData mcd = new MinimalCategoryData()
{
categoryName = categoryData.name,
propertyDatas = new List <MinimalCategoryData.GraphInputData>()
};
foreach (var input in categoryData.Children)
{
MinimalCategoryData.GraphInputData propData;
// Only write out data for exposed blackboard items
if (input.isExposed == false)
{
continue;
}
// VTs are treated differently
if (input is VirtualTextureShaderProperty virtualTextureShaderProperty)
{
propData = MinimalCategoryData.ProcessVirtualTextureProperty(virtualTextureShaderProperty);
inputInspectorDataList.RemoveAll(inputData => inputData.referenceName == propData.referenceName);
mcd.propertyDatas.Add(propData);
continue;
}
else if (input is ShaderKeyword keyword)
{
var sanitizedReferenceName = keyword.referenceName;
if (keyword.keywordType == KeywordType.Boolean && keyword.referenceName.Contains("_ON"))
{
sanitizedReferenceName = sanitizedReferenceName.Replace("_ON", String.Empty);
}
propData = new MinimalCategoryData.GraphInputData()
{
referenceName = sanitizedReferenceName, keywordType = keyword.keywordType, isKeyword = true
};
}
else
{
var prop = input as AbstractShaderProperty;
propData = new MinimalCategoryData.GraphInputData()
{
referenceName = input.referenceName, propertyType = prop.propertyType, isKeyword = false
};
}
mcd.propertyDatas.Add(propData);
inputInspectorDataList.Remove(propData);
}
sgMetadata.categoryDatas.Add(mcd);
}
// Any uncategorized elements get tossed into an un-named category at the top as a fallback
if (inputInspectorDataList.Count > 0)
{
sgMetadata.categoryDatas.Insert(0, new MinimalCategoryData()
{
categoryName = "", propertyDatas = inputInspectorDataList
});
}
ctx.AddObjectToAsset("SGInternal:Metadata", sgMetadata);
// declare dependencies
foreach (var asset in assetCollection.assets)
{
if (asset.Value.HasFlag(AssetCollection.Flags.SourceDependency))
{
ctx.DependsOnSourceAsset(asset.Key);
// I'm not sure if this warning below is actually used or not, keeping it to be safe
var assetPath = AssetDatabase.GUIDToAssetPath(asset.Key);
// Ensure that dependency path is relative to project
if (!string.IsNullOrEmpty(assetPath) && !assetPath.StartsWith("Packages/") && !assetPath.StartsWith("Assets/"))
{
Debug.LogWarning($"Invalid dependency path: {assetPath}", mainObject);
}
}
// NOTE: dependencies declared by GatherDependenciesFromSourceFile are automatically registered as artifact dependencies
// HOWEVER: that path ONLY grabs dependencies via MinimalGraphData, and will fail to register dependencies
// on GUIDs that don't exist in the project. For both of those reasons, we re-declare the dependencies here.
if (asset.Value.HasFlag(AssetCollection.Flags.ArtifactDependency))
{
ctx.DependsOnArtifact(asset.Key);
}
}
}