public static List <EntryStringPair> Relink(ExportEntry sourceExport, ExportEntry relinkingExport, OrderedMultiValueDictionary <IEntry, IEntry> crossPCCObjectMappingList,
bool importExportDependencies = false, RelinkerCache relinkerCache = null)
{
var relinkFailedReport = new List <EntryStringPair>();
IMEPackage sourcePcc = sourceExport.FileRef;
byte[] prePropBinary = relinkingExport.GetPrePropBinary();
//Relink stack
if (relinkingExport.HasStack)
{
int uIndex = BitConverter.ToInt32(prePropBinary, 0);
var relinkResult = relinkUIndex(sourceExport.FileRef, relinkingExport, ref uIndex, "Stack: Node",
crossPCCObjectMappingList, "", importExportDependencies, relinkerCache);
if (relinkResult is null)
{
prePropBinary.OverwriteRange(0, BitConverter.GetBytes(uIndex));
}
else
{
relinkFailedReport.Add(relinkResult);
}
uIndex = BitConverter.ToInt32(prePropBinary, 4);
relinkResult = relinkUIndex(sourceExport.FileRef, relinkingExport, ref uIndex, "Stack: StateNode",
crossPCCObjectMappingList, "", importExportDependencies, relinkerCache);
if (relinkResult is null)
{
prePropBinary.OverwriteRange(4, BitConverter.GetBytes(uIndex));
}
else
{
relinkFailedReport.Add(relinkResult);
}
}
//Relink Component's TemplateOwnerClass
else if (relinkingExport.TemplateOwnerClassIdx is var toci && toci >= 0)
{
int uIndex = BitConverter.ToInt32(prePropBinary, toci);
var relinkResult = relinkUIndex(sourceExport.FileRef, relinkingExport, ref uIndex, "TemplateOwnerClass",
crossPCCObjectMappingList, "", importExportDependencies, relinkerCache);
if (relinkResult is null)
{
prePropBinary.OverwriteRange(toci, BitConverter.GetBytes(uIndex));
}
else
{
relinkFailedReport.Add(relinkResult);
}
}
//Relink Properties
PropertyCollection props = relinkingExport.GetProperties();
relinkFailedReport.AddRange(relinkPropertiesRecursive(sourcePcc, relinkingExport, props, crossPCCObjectMappingList, "", importExportDependencies, relinkerCache));
//Relink Binary
try
{
if (relinkingExport.Game != sourcePcc.Game && (relinkingExport.IsClass || relinkingExport.ClassName == "State" || relinkingExport.ClassName == "Function"))
{
relinkFailedReport.Add(new EntryStringPair(relinkingExport, $"{relinkingExport.UIndex} {relinkingExport.FullPath} binary relinking failed. Cannot port {relinkingExport.ClassName} between games!"));
}
else if (ObjectBinary.From(relinkingExport) is ObjectBinary objBin)
{
List <(UIndex, string)> indices = objBin.GetUIndexes(relinkingExport.FileRef.Game);
foreach ((UIndex uIndex, string propName) in indices)
{
var result = relinkUIndex(sourcePcc, relinkingExport, ref uIndex.value, $"(Binary Property: {propName})",
crossPCCObjectMappingList, "", importExportDependencies, relinkerCache);
if (result != null)
{
relinkFailedReport.Add(result);
}
}
//UStruct is abstract baseclass for Class, State, and Function, and can have script in it
if (objBin is UStruct uStructBinary && uStructBinary.ScriptBytes.Length > 0)
{
if (relinkingExport.Game == MEGame.ME3)
{
(List <Token> tokens, _) = Bytecode.ParseBytecode(uStructBinary.ScriptBytes, sourceExport);
foreach (Token token in tokens)
{
relinkFailedReport.AddRange(RelinkToken(token, uStructBinary.ScriptBytes, sourceExport, relinkingExport,
crossPCCObjectMappingList, importExportDependencies, relinkerCache));
}
}
else
{
var func = sourceExport.ClassName == "State" ? UE3FunctionReader.ReadState(sourceExport) : UE3FunctionReader.ReadFunction(sourceExport);
func.Decompile(new TextBuilder(), false); //parse bytecode
var nameRefs = func.NameReferences;
var entryRefs = func.EntryReferences;
foreach ((long position, NameReference nameRef) in nameRefs)
{
if (position < uStructBinary.ScriptBytes.Length)
{
RelinkNameReference(nameRef.Name, position, uStructBinary.ScriptBytes, relinkingExport);
}
}
foreach ((long position, IEntry entry) in entryRefs)
{
if (position < uStructBinary.ScriptBytes.Length)
{
relinkFailedReport.AddRange(RelinkUnhoodEntryReference(entry, position, uStructBinary.ScriptBytes, sourceExport, relinkingExport,
crossPCCObjectMappingList, importExportDependencies, relinkerCache));
}
}
}
}
relinkingExport.WritePrePropsAndPropertiesAndBinary(prePropBinary, props, objBin);
return(relinkFailedReport);
}
}
catch (Exception e) when(!CoreLib.IsDebug)
{
relinkFailedReport.Add(new EntryStringPair(relinkingExport, $"{relinkingExport.UIndex} {relinkingExport.FullPath} binary relinking failed due to exception: {e.Message}"));
}
relinkingExport.WritePrePropsAndProperties(prePropBinary, props);
return(relinkFailedReport);
}
