public static bool CanHaveReference([CanBeNull] ITreeNode element)
{
var methodNameValue = element as IPlainScalarNode;
var methodNameEntry = BlockMappingEntryNavigator.GetByValue(methodNameValue);
return(methodNameValue != null && (methodNameEntry?.Key.MatchesPlainScalarText("m_MethodName") ?? false));
}
public ReferenceCollection GetReferences(ITreeNode element, ReferenceCollection oldReferences)
{
if (ResolveUtil.CheckThatAllReferencesBelongToElement <MonoScriptReference>(oldReferences, element))
{
return(oldReferences);
}
if (!(element is IPlainScalarNode guidValue))
{
return(ReferenceCollection.Empty);
}
// m_Script: {fileID: 11500000, guid: xxx, type: x}
var guidEntry = FlowMapEntryNavigator.GetByValue(guidValue);
var flowIDMap = FlowMappingNodeNavigator.GetByEntrie(guidEntry);
var blockMappingEntry = BlockMappingEntryNavigator.GetByValue(flowIDMap);
if (guidEntry?.Key.MatchesPlainScalarText("guid") == true &&
blockMappingEntry?.Key.MatchesPlainScalarText("m_Script") == true)
{
var fileID = flowIDMap.AsFileID();
if (fileID != null && !fileID.IsNullReference && fileID.IsMonoScript)
{
var metaGuidCache = element.GetSolution().GetComponent <MetaFileGuidCache>();
var reference = new MonoScriptReference(guidValue, fileID, metaGuidCache);
return(new ReferenceCollection(reference));
}
}
return(ReferenceCollection.Empty);
}
public ReferenceCollection GetReferences(ITreeNode element, ReferenceCollection oldReferences)
{
if (ResolveUtil.CheckThatAllReferencesBelongToElement <UnityEventTargetReference>(oldReferences, element))
{
return(oldReferences);
}
if (!(element is IPlainScalarNode methodNameValue))
{
return(ReferenceCollection.Empty);
}
// E.g. element is the m_MethodName scalar value "ButtonClickedHandler" in this structure:
// m_OnClick:
// m_PersistentCalls:
// m_Calls:
// - m_Target: {fileID: 1870695363}
// m_MethodName: ButtonClickedHandler
// m_Mode: 3
// m_Arguments:
// m_ObjectArgument: {fileID: 0}
// m_ObjectArgumentAssemblyTypeName: UnityEngine.Object, UnityEngine
// m_IntArgument: 1
// m_FloatArgument: 0
// m_StringArgument:
// m_BoolArgument: 0
// m_CallState: 2
// m_TypeName: UnityEngine.UI.Button+ButtonClickedEvent, UnityEngine.UI, Version=1.0.0.0,
// Culture=neutral, PublicKeyToken=null
var methodNameMapEntry = BlockMappingEntryNavigator.GetByValue(methodNameValue);
var callMapNode = BlockMappingNodeNavigator.GetByEntrie(methodNameMapEntry);
var callsSequenceEntry = SequenceEntryNavigator.GetByValue(callMapNode);
var callsSequenceNode = BlockSequenceNodeNavigator.GetByEntrie(callsSequenceEntry);
var callsMapEntry = BlockMappingEntryNavigator.GetByValue(callsSequenceNode);
// callsMapEntry should be "m_Calls" (and contain a value that is a sequence node). If it's not null,
// everything else is also not null
if (callsMapEntry == null)
{
return(ReferenceCollection.Empty);
}
if (methodNameMapEntry.Key.MatchesPlainScalarText("m_MethodName") &&
callsMapEntry.Key.MatchesPlainScalarText("m_Calls"))
{
// If we have a guid, that means this event handler exists inside another asset. That asset might be
// a .dll, in which case we don't want to add a reference (the primary purpose of these references
// is to enable Find Usages of methods, not navigation *from* YAML). Or it might be e.g. a prefab.
// This would be a reference to a prefab that contains a MonoScript asset that has the method
// TODO: Create an index of other assets that we could target
var fileID = callMapNode.FindMapEntryBySimpleKey("m_Target")?.Value.AsFileID();
if (fileID != null && !fileID.IsNullReference && fileID.guid == null)
{
var reference = new UnityEventTargetReference(methodNameValue, fileID);
return(new ReferenceCollection(reference));
}
}
return(ReferenceCollection.Empty);
}
// Names is likely to contain the name of the class. All we have in the file is the guid
public bool HasReference(ITreeNode element, IReferenceNameContainer names)
{
var guidValue = element as IPlainScalarNode;
var guidEntry = FlowMapEntryNavigator.GetByValue(guidValue);
var flowIDMap = FlowMappingNodeNavigator.GetByEntrie(guidEntry);
var blockMappingEntry = BlockMappingEntryNavigator.GetByValue(flowIDMap);
return(guidEntry?.Key.MatchesPlainScalarText("guid") == true &&
blockMappingEntry?.Key.MatchesPlainScalarText("m_Script") == true);
}
