Esempio n. 1
0
        /// <summary>
        /// Imports an export from another package file.
        /// </summary>
        /// <param name="mePackage"></param>
        /// <param name="ex">Export object from the other package to import</param>
        /// <param name="link">Local parent node UIndex</param>
        /// <param name="outputEntry">Newly generated export entry reference</param>
        /// <returns></returns>
        private static bool importExport(IMEPackage mePackage, ExportEntry ex, int link, out ExportEntry outputEntry)
        {
            byte[] prePropBinary;
            if (ex.HasStack)
            {
                if (mePackage.Game < MEGame.ME3)
                {
                    prePropBinary = new byte[]
                    {
                        0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00
                    };
                }
                else
                {
                    prePropBinary = new byte[]
                    {
                        0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00
                    };
                }
            }
            else
            {
                int start = ex.GetPropertyStart();
                prePropBinary = new byte[start];
            }

            PropertyCollection props = ex.GetProperties();
            //store copy of names list in case something goes wrong
            List <string> names = mePackage.Names.ToList();

            try
            {
                if (ex.Game != mePackage.Game)
                {
                    props = EntryPruner.RemoveIncompatibleProperties(ex.FileRef, props, ex.ClassName, mePackage.Game);
                }
            }
            catch (Exception exception)
            {
                //restore namelist in event of failure.
                mePackage.setNames(names);
                Console.WriteLine($"Error occured while trying to import {ex.ObjectName} : {exception.Message}");
                //MessageBox.Show($"Error occured while trying to import {ex.ObjectName} : {exception.Message}");
                outputEntry = null;
                return(false);
            }

            //takes care of slight header differences between ME1/2 and ME3
            byte[] newHeader = ex.GenerateHeader(mePackage.Game);

            //for supported classes, this will add any names in binary to the Name table, as well as take care of binary differences for cross-game importing
            //for unsupported classes, this will just copy over the binary
            byte[] binaryData = ExportBinaryConverter.ConvertPostPropBinary(ex, mePackage.Game).ToArray(mePackage);

            int classValue = 0;
            int archetype  = 0;
            int superclass = 0;

            //Set class. This will only work if the class is an import, as we can't reliably pull in exports without lots of other stuff.
            if (ex.idxClass < 0)
            {
                //The class of the export we are importing is an import. We should attempt to relink this.
                ImportEntry portingFromClassImport = ex.FileRef.getImport(ex.idxClass);
                IEntry      newClassImport         = getOrAddCrossImportOrPackage(portingFromClassImport.GetFullPath, ex.FileRef, mePackage);
                classValue = newClassImport.UIndex;
            }
            else if (ex.idxClass > 0)
            {
                //Todo: Add cross mapping support as multi-mode will allow this to work now
                ExportEntry portingInClass = ex.FileRef.getUExport(ex.idxClass);
                ExportEntry matchingExport = mePackage.Exports.FirstOrDefault(x => x.GetIndexedFullPath == portingInClass.GetIndexedFullPath);
                if (matchingExport != null)
                {
                    classValue = matchingExport.UIndex;
                }
            }

            //Set superclass
            if (ex.idxSuperClass < 0)
            {
                //The class of the export we are importing is an import. We should attempt to relink this.
                ImportEntry portingFromClassImport = ex.FileRef.getImport(ex.idxSuperClass);
                IEntry      newClassImport         = getOrAddCrossImportOrPackage(portingFromClassImport.GetFullPath, ex.FileRef, mePackage);
                superclass = newClassImport.UIndex;
            }
            else if (ex.idxSuperClass > 0)
            {
                //Todo: Add cross mapping support as multi-mode will allow this to work now
                ExportEntry portingInClass = ex.FileRef.getUExport(ex.idxSuperClass);
                ExportEntry matchingExport = mePackage.Exports.FirstOrDefault(x => x.GetIndexedFullPath == portingInClass.GetIndexedFullPath);
                if (matchingExport != null)
                {
                    superclass = matchingExport.UIndex;
                }
            }

            //Check archetype.
            if (ex.idxArchtype < 0)
            {
                ImportEntry portingFromClassImport = ex.FileRef.getImport(ex.idxArchtype);
                IEntry      newClassImport         = getOrAddCrossImportOrPackage(portingFromClassImport.GetFullPath, ex.FileRef, mePackage);
                archetype = newClassImport.UIndex;
            }
            else if (ex.idxArchtype > 0)
            {
                ExportEntry portingInClass = ex.FileRef.getUExport(ex.idxArchtype);
                ExportEntry matchingExport = mePackage.Exports.FirstOrDefault(x => x.GetIndexedFullPath == portingInClass.GetIndexedFullPath);
                if (matchingExport != null)
                {
                    archetype = matchingExport.UIndex;
                }
            }

            outputEntry = new ExportEntry(mePackage, prePropBinary, props, binaryData)
            {
                Header        = newHeader,
                idxClass      = classValue,
                idxObjectName = mePackage.FindNameOrAdd(ex.FileRef.getNameEntry(ex.idxObjectName)),
                idxLink       = link,
                idxSuperClass = superclass,
                idxArchtype   = archetype
            };
            mePackage.addExport(outputEntry);

            return(true);
        }