protected override VFXExpression[] BuildExpression(VFXExpression[] inputExpression)
{
if (subgraph == null)
{
return(new VFXExpression[0]);
}
VFXGraph graph = m_Subgraph.GetResource().GetOrCreateGraph();
// Change all the inputExpressions of the parameters.
var parameters = GetParameters(t => VFXSubgraphUtility.InputPredicate(t)).OrderBy(t => t.order);
var backedUpExpressions = new List <VFXExpression>();
VFXSubgraphUtility.TransferExpressionToParameters(inputExpression, parameters, backedUpExpressions);
List <VFXExpression> outputExpressions = new List <VFXExpression>();
foreach (var param in GetParameters(t => VFXSubgraphUtility.OutputPredicate(t)))
{
outputExpressions.AddRange(param.inputSlots[0].GetExpressionSlots().Select(t => t.GetExpression()));
}
foreach (var param in parameters)
{
param.ResetOutputValueExpression();
}
VFXSubgraphUtility.TransferExpressionToParameters(backedUpExpressions, parameters);
return(outputExpressions.ToArray());
}
public void RecreateCopy()
{
ClearCopy();
if (subgraph == null)
{
m_SubChildren = null;
m_UsedSubgraph = null;
return;
}
var graph = m_Subgraph.GetResource().GetOrCreateGraph();
HashSet <ScriptableObject> dependencies = new HashSet <ScriptableObject>();
foreach (var child in graph.children.Where(t => t is VFXOperator || t is VFXParameter))
{
dependencies.Add(child);
child.CollectDependencies(dependencies);
}
var copy = VFXMemorySerializer.DuplicateObjects(dependencies.ToArray());
m_UsedSubgraph = graph;
m_SubChildren = copy.OfType <VFXModel>().Where(t => t is VFXOperator || t is VFXParameter).ToArray();
foreach (var child in copy)
{
child.hideFlags = HideFlags.HideAndDontSave;
}
}
public static VFXParameterInfo[] BuildParameterInfo(VFXGraph graph)
{
var categories = graph.UIInfos.categories;
if (categories == null)
{
categories = new List <VFXUI.CategoryInfo>();
}
var parameters = graph.children.OfType <VFXParameter>().Where(t => t.exposed && (string.IsNullOrEmpty(t.category) || !categories.Any(u => u.name == t.category)) && !t.isOutput).OrderBy(t => t.order).ToArray();
var infos = new List <VFXParameterInfo>();
BuildCategoryParameterInfo(parameters, infos);
foreach (var cat in categories)
{
parameters = graph.children.OfType <VFXParameter>().Where(t => t.exposed && t.category == cat.name && !t.isOutput).OrderBy(t => t.order).ToArray();
if (parameters.Length > 0)
{
VFXParameterInfo paramInfo = new VFXParameterInfo(cat.name, "");
paramInfo.descendantCount = 0;
infos.Add(paramInfo);
BuildCategoryParameterInfo(parameters, infos);
}
}
return(infos.ToArray());
}
void RecurseSubgraphRecreateCopy(VFXGraph graph)
{
foreach (var child in graph.children)
{
if (child is VFXSubgraphContext)
{
var subgraphContext = child as VFXSubgraphContext;
if (subgraphContext.subgraph != null)
{
RecurseSubgraphRecreateCopy(subgraphContext.subgraph.GetResource().GetOrCreateGraph());
}
subgraphContext.RecreateCopy();
}
else if (child is VFXContext)
{
foreach (var block in child.children)
{
if (block is VFXSubgraphBlock)
{
var subgraphBlock = block as VFXSubgraphBlock;
if (subgraphBlock.subgraph != null)
{
RecurseSubgraphRecreateCopy(subgraphBlock.subgraph.GetResource().GetOrCreateGraph());
}
subgraphBlock.RecreateCopy();
}
}
}
}
}
public static VFXData CreateDataType(VFXGraph graph, VFXDataType type)
{
VFXData newVFXData;
switch (type)
{
case VFXDataType.Particle:
case VFXDataType.ParticleStrip:
newVFXData = ScriptableObject.CreateInstance <VFXDataParticle>();
break;
case VFXDataType.Mesh:
newVFXData = ScriptableObject.CreateInstance <VFXDataMesh>();
break;
case VFXDataType.SpawnEvent:
newVFXData = ScriptableObject.CreateInstance <VFXDataSpawner>();
break;
case VFXDataType.OutputEvent:
newVFXData = ScriptableObject.CreateInstance <VFXDataOutputEvent>();
break;
default: return(null);
}
newVFXData.m_Parent = graph;
return(newVFXData);
}
void RecurseSubgraphRecreateCopy(VFXGraph graph)
{
foreach (var child in graph.children)
{
if (child is VFXSubgraphContext)
{
var subgraphContext = child as VFXSubgraphContext;
if (subgraphContext.subgraph != null)
{
RecurseSubgraphRecreateCopy(subgraphContext.subgraph.GetResource().GetOrCreateGraph());
}
subgraphContext.RecreateCopy();
}
else if (child is VFXContext)
{
foreach (var block in child.children)
{
if (block is VFXSubgraphBlock)
{
var subgraphBlock = block as VFXSubgraphBlock;
if (subgraphBlock.subgraph != null)
{
RecurseSubgraphRecreateCopy(subgraphBlock.subgraph.GetResource().GetOrCreateGraph());
}
subgraphBlock.RecreateCopy();
}
}
}
else if (child is VFXSubgraphOperator operatorChild)
{
operatorChild.ResyncSlots(false);
operatorChild.UpdateOutputExpressions();
}
}
}
public static VFXGraph GetOrCreateGraph(this VisualEffectResource resource)
{
VFXGraph graph = resource.graph as VFXGraph;
if (graph == null)
{
string assetPath = AssetDatabase.GetAssetPath(resource);
AssetDatabase.ImportAsset(assetPath);
graph = resource.GetContents().OfType <VFXGraph>().FirstOrDefault();
}
if (graph == null)
{
graph = ScriptableObject.CreateInstance <VFXGraph>();
resource.graph = graph;
graph.hideFlags |= HideFlags.HideInHierarchy;
graph.visualEffectResource = resource;
// in this case we must update the subassets so that the graph is added to the resource dependencies
graph.UpdateSubAssets();
}
graph.visualEffectResource = resource;
return(graph);
}
public static void Build(bool forceDirty = false)
{
var vfxObjects = GetAllVisualEffectObjects();
foreach (var vfxObj in vfxObjects)
{
if (VFXViewPreference.advancedLogs)
{
Debug.Log(string.Format("Recompile VFX asset: {0} ({1})", vfxObj, AssetDatabase.GetAssetPath(vfxObj)));
}
var resource = vfxObj.GetResource();
if (resource != null)
{
VFXGraph graph = resource.GetOrCreateGraph();
AssetDatabase.ImportAsset(AssetDatabase.GetAssetPath(graph));
if (forceDirty)
{
EditorUtility.SetDirty(resource);
}
}
}
VFXExpression.ClearCache();
}
public static void CallOnGraphChanged(VFXGraph graph)
{
if (OnGraphChanged != null)
{
OnGraphChanged(graph);
}
}
VFXParameter GetParameter(string name)
{
VisualEffect effect = (VisualEffect)target;
if (effect.visualEffectAsset == null)
{
return(null);
}
VFXGraph graph = effect.visualEffectAsset.GetResource().graph as VFXGraph;
if (graph == null)
{
return(null);
}
var parameter = graph.children.OfType <VFXParameter>().FirstOrDefault(t => t.exposedName == name && t.exposed == true);
if (parameter == null)
{
return(null);
}
return(parameter);
}
public VFXGraphCompiledData(VFXGraph graph)
{
if (graph == null)
{
throw new ArgumentNullException("VFXGraph cannot be null");
}
m_Graph = graph;
}
void GraphParameterChanged(VFXGraph graph)
{
VisualEffectAsset asset = graph != null && graph.GetResource() != null?graph.GetResource().asset : null;
if (m_Subgraph == asset && GetParent() != null)
{
RecreateCopy();
}
}
IEnumerable <VFXParameter> GetParameters(Func <VFXParameter, bool> predicate)
{
if (m_Subgraph == null)
{
return(Enumerable.Empty <VFXParameter>());
}
VFXGraph graph = m_Subgraph.GetResource().GetOrCreateGraph();
return(VFXSubgraphUtility.GetParameters(graph.children, predicate));
}
static void OnPostprocessAllAssets(string[] importedAssets, string[] deletedAssets, string[] movedAssets, string[] movedFromAssetPaths)
{
var modifiedShaderGraphs = new HashSet <ShaderGraphVfxAsset>();
foreach (var asset in importedAssets.Concat(deletedAssets))
{
if (asset.EndsWith(".shadergraph", StringComparison.InvariantCultureIgnoreCase))
{
var ass = AssetDatabase.LoadAssetAtPath <ShaderGraphVfxAsset>(asset);
if (ass != null)
{
modifiedShaderGraphs.Add(ass);
}
}
}
if (modifiedShaderGraphs.Count > 0)
{
string[] guids = AssetDatabase.FindAssets("t:VisualEffectAsset");
var assetsToReimport = new HashSet <VFXGraph>();
foreach (var vfxPath in guids.Select(t => AssetDatabase.GUIDToAssetPath(t)))
{
var resource = VisualEffectResource.GetResourceAtPath(vfxPath);
if (resource != null)
{
VFXGraph graph = resource.GetOrCreateGraph();
if (graph != null)
{
if (graph.children.OfType <VFXShaderGraphParticleOutput>().Any(t => modifiedShaderGraphs.Contains(t.shaderGraph)))
{
assetsToReimport.Add(graph);
}
}
}
}
foreach (var graph in assetsToReimport)
{
foreach (var sgOutput in graph.children.OfType <VFXShaderGraphParticleOutput>().Where(t => modifiedShaderGraphs.Contains(t.shaderGraph)))
{
int instanceID = sgOutput.shaderGraph.GetInstanceID();
// This is needed because the imported invalidate the object
sgOutput.shaderGraph = EditorUtility.InstanceIDToObject(instanceID) as ShaderGraphVfxAsset;
sgOutput.ResyncSlots(true);
}
graph.SetExpressionGraphDirty();
graph.RecompileIfNeeded();
}
}
}
public static void RemoveModel(VFXModel model, bool notify = true)
{
VFXGraph graph = model.GetGraph();
if (graph != null)
{
graph.UIInfos.Sanitize(graph); // Remove reference from groupInfos
}
UnlinkModel(model);
model.Detach(notify);
}
public void RefreshErrors(VFXGraph graph)
{
if (graph != null)
{
graph.errorManager.ClearAllErrors(this, VFXErrorOrigin.Invalidate);
using (var reporter = new VFXInvalidateErrorReporter(graph.errorManager, this))
{
GenerateErrors(reporter);
}
}
}
static void OnCompileResource(VisualEffectResource resource)
{
if (resource != null)
{
VFXGraph graph = resource.GetOrCreateGraph();
if (graph != null)
{
graph.CompileForImport();
}
}
}
public void Sync(VFXGraph graph)
{
var models = new HashSet <ScriptableObject>();
graph.CollectDependencies(models, false);
var systems = models.OfType <VFXContext>()
.Where(c => c.contextType == VFXContextType.Spawner || c.GetData() != null)
.Select(c => c.contextType == VFXContextType.Spawner ? c as VFXModel : c.GetData())
.Distinct();
Init(systems);
}
public static void ReplaceModel(VFXModel dst, VFXModel src, bool notify = true)
{
// UI
dst.m_UIPosition = src.m_UIPosition;
dst.m_UICollapsed = src.m_UICollapsed;
dst.m_UISuperCollapsed = src.m_UISuperCollapsed;
if (notify)
{
dst.Invalidate(InvalidationCause.kUIChanged);
}
VFXGraph graph = src.GetGraph();
if (graph != null && graph.UIInfos != null && graph.UIInfos.groupInfos != null)
{
// Update group nodes
foreach (var groupInfo in graph.UIInfos.groupInfos)
{
if (groupInfo.contents != null)
{
for (int i = 0; i < groupInfo.contents.Length; ++i)
{
if (groupInfo.contents[i].model == src)
{
groupInfo.contents[i].model = dst;
}
}
}
}
}
if (dst is VFXBlock && src is VFXBlock)
{
((VFXBlock)dst).enabled = ((VFXBlock)src).enabled;
}
// Unlink everything
UnlinkModel(src);
// Replace model
var parent = src.GetParent();
int index = parent.GetIndex(src);
src.Detach(notify);
if (parent)
{
parent.AddChild(dst, index, notify);
}
}
public void CompileExpressions(VFXGraph graph, VFXExpressionContextOption options, bool filterOutInvalidContexts = false)
{
var models = new HashSet <ScriptableObject>();
graph.CollectDependencies(models, false);
var contexts = models.OfType <VFXContext>();
if (filterOutInvalidContexts)
{
contexts = contexts.Where(c => c.CanBeCompiled());
}
CompileExpressions(contexts, options);
}
static string[] OnAddResourceDependencies(string assetPath)
{
VisualEffectResource resource = VisualEffectResource.GetResourceAtPath(assetPath);
if (resource != null)
{
VFXGraph graph = resource.GetOrCreateGraph();
if (graph != null)
{
return(graph.GetImportDependencies());
}
}
return(null);
}
internal void Sanitize(VFXGraph graph)
{
if (groupInfos != null)
{
foreach (var groupInfo in groupInfos)
{
//Check first, rebuild after because in most case the content will be valid, saving an allocation.
if (groupInfo.contents != null && groupInfo.contents.Any(t => (!t.isStickyNote || t.id >= stickyNoteInfos.Length) && !graph.children.Contains(t.model)))
{
groupInfo.contents = groupInfo.contents.Where(t => (t.isStickyNote && t.id < stickyNoteInfos.Length) || graph.children.Contains(t.model)).ToArray();
}
}
}
}
IEnumerable <VFXParameter> GetParameters(Func <VFXParameter, bool> predicate)
{
if (m_Subgraph == null && !object.ReferenceEquals(m_Subgraph, null))
{
m_Subgraph = EditorUtility.InstanceIDToObject(m_Subgraph.GetInstanceID()) as VisualEffectSubgraphOperator;
}
if (m_Subgraph == null)
{
return(Enumerable.Empty <VFXParameter>());
}
VFXGraph graph = subgraph.GetResource().GetOrCreateGraph();
return(VFXSubgraphUtility.GetParameters(m_SubChildren, predicate));
}
static void OnCompileResource(VisualEffectResource resource)
{
if (resource != null)
{
VFXGraph graph = resource.graph as VFXGraph;
if (graph != null)
{
resource.GetOrCreateGraph().CompileForImport();
}
else
{
Debug.LogError("VisualEffectGraphResource without graph");
}
}
}
public void FillExpression(VFXGraph graph)
{
var allExposedParameter = graph.children.OfType <VFXParameter>().Where(o => o.exposed);
var expressionsList = new List <VFXExpression>();
foreach (var parameter in allExposedParameter)
{
CollectExposedExpression(expressionsList, parameter.outputSlots[0]);
}
mapper = new VFXExpressionMapper();
for (int i = 0; i < expressionsList.Count; ++i)
{
mapper.AddExpression(expressionsList[i], "ImplicitExposedExpression", i);
}
}
public void RefreshErrors(VFXGraph graph)
{
if (graph != null)
{
graph.errorManager.ClearAllErrors(this, VFXErrorOrigin.Invalidate);
using (var reporter = new VFXInvalidateErrorReporter(graph.errorManager, this))
{
try
{
GenerateErrors(reporter);
}
catch (Exception e)
{
Debug.LogException(e);
}
}
}
}
static string[] OnAddResourceDependencies(string assetPath)
{
VisualEffectResource resource = VisualEffectResource.GetResourceAtPath(assetPath);
if (resource != null)
{
VFXGraph graph = resource.graph as VFXGraph;
if (graph != null)
{
return(resource.GetOrCreateGraph().GetImportDependencies());
}
else
{
Debug.LogError("VisualEffectGraphResource without graph");
}
}
return(null);
}
public static VFXData CreateDataType(VFXGraph graph, VFXDataType type)
{
VFXData newVFXData;
switch (type)
{
case VFXDataType.kParticle:
newVFXData = ScriptableObject.CreateInstance <VFXDataParticle>();
break;
case VFXDataType.kMesh:
newVFXData = ScriptableObject.CreateInstance <VFXDataMesh>();
break;
default: return(null);
}
newVFXData.m_Parent = graph;
return(newVFXData);
}
void OnPreprocessAsset()
{
bool isVFX = VisualEffectAssetModicationProcessor.HasVFXExtension(assetPath);
if (isVFX)
{
VisualEffectResource resource = VisualEffectResource.GetResourceAtPath(assetPath);
if (resource == null)
{
return;
}
VFXGraph graph = resource.graph as VFXGraph;
if (graph != null)
{
graph.SanitizeForImport();
}
else
{
Debug.LogError("VisualEffectGraphResource without graph");
}
}
}
private static VFXSlot CorrectPositionFromCylinderToCone(VFXGraph graph, Vector2 basePosition, VFXSlot height, VFXSlot center)
{
var inlineHeight = ScriptableObject.CreateInstance <VFXInlineOperator>();
inlineHeight.SetSettingValue("m_Type", (SerializableType)typeof(float));
inlineHeight.position = basePosition - new Vector2(700.0f, -151.0f);
VFXSlot.CopyLinksAndValue(inlineHeight.inputSlots[0], height, true);
graph.AddChild(inlineHeight);
var halfHeight = ScriptableObject.CreateInstance <Operator.Multiply>();
halfHeight.SetOperandType(0, typeof(float));
halfHeight.SetOperandType(1, typeof(float));
halfHeight.inputSlots[0].Link(inlineHeight.outputSlots[0]);
halfHeight.inputSlots[1].value = 0.5f;
halfHeight.position = basePosition - new Vector2(480.0f, -111.0f);
graph.AddChild(halfHeight);
var inlinePosition = ScriptableObject.CreateInstance <VFXInlineOperator>();
inlinePosition.SetSettingValue("m_Type", (SerializableType)typeof(Position));
inlinePosition.position = basePosition - new Vector2(555.0f, -20.0f);
VFXSlot.CopyLinksAndValue(inlinePosition.inputSlots[0], center, true);
graph.AddChild(inlinePosition);
var correctedPosition = ScriptableObject.CreateInstance <Operator.Subtract>();
correctedPosition.SetOperandType(0, typeof(Position));
correctedPosition.SetOperandType(1, typeof(Position));
VFXSlot.CopySpace(correctedPosition.inputSlots[0], inlinePosition.outputSlots[0], true);
VFXSlot.CopySpace(correctedPosition.inputSlots[1], inlinePosition.outputSlots[0], true);
correctedPosition.inputSlots[0].Link(inlinePosition.outputSlots[0]);
correctedPosition.inputSlots[1][0][1].Link(halfHeight.outputSlots[0]);
correctedPosition.position = basePosition - new Vector2(282.0f, -20.0f);
graph.AddChild(correctedPosition);
return(correctedPosition.outputSlots[0]);
}