ISACT ICBBank → ISBBank Indexing Error about legendaryexplorer HOT 9 CLOSED

if (exportEntry.ClassName == "SoundNodeWave") {
    CurrentLoadedExport = exportEntry;

    ExportInformationList.Add($"#{exportEntry.UIndex} {exportEntry.ClassName} : {exportEntry.ObjectName.Instanced}");
    var soundNodeWave = exportEntry.GetBinaryData<SoundNodeWave>();
    if (soundNodeWave.RawData.Length > 0) {
        ISACTBankPair ibp = ISACTHelper.GetPairedBanks(soundNodeWave.RawData);
        foreach (var isbC in ibp.ISBBank.GetAllBankChunks().Where(x => x.ChunkName == "data")) {
            var objectParent = isbC.GetParent();
            if (objectParent != null) {
                ExportInformationList.Add(objectParent);
            }
        }
    } else {
        var bsd = exportEntry.GetProperty<ObjectProperty>("BioStreamingData");
        if (bsd == null) {
            ExportInformationList.Add("This export contains no embedded audio");
            return;
        }

        // Imports are very unreliable here and will be slow to load
        if (bsd.ResolveToEntry(exportEntry.FileRef) is ExportEntry streamingData) {
            // Remove the ISB: prefix
            var indexEntryName = exportEntry.ObjectName.Instanced.Substring(exportEntry.ObjectName.Instanced.IndexOf(":") + 1);
            ISACTBankPair ibp = ISACTHelper.GetPairedBanks(streamingData.GetBinaryData().Skip(4).ToArray());
            IndexEntry foundICBInfo = null;
            if (ibp.ICBBank.GetAllBankChunks().FirstOrDefault(x => x.ChunkName == ContentIndexBankChunk.FixedChunkTitle) is ContentIndexBankChunk contentIndex) {
                // Find info about sample in ICB so we can get entry in ISB
                foreach (var p in contentIndex.IndexPages) {
                    if (foundICBInfo != null)
                        break;
                    foreach (var indexEntry in p.IndexEntries) {
                        if (indexEntry.Title == indexEntryName) {
                            foundICBInfo = indexEntry;
                            break;
                        }
                    }
                }
            }

            if (foundICBInfo == null) {
                ExportInformationList.Add("Could not find information about this sound in the streaming data ICB");
                return;
            }

            var referencedSndeChunk = ibp.ICBBank.GetAllBankChunks().OfType<ISACTListBankChunk>().FirstOrDefault(x =>
                x.GetAllSubChunks().Any(a => a is IntBankChunk { ChunkName: "indx" } ac && ac.Value == foundICBInfo.ObjectIndex));
            if (referencedSndeChunk == null) {
                ExportInformationList.Add("Could not find snde chunk about this sound in the streaming data ICB");
                return;
            }

            var soundTracks = referencedSndeChunk.GetAllSubChunks().OfType<SoundEventSoundTracksFour>().FirstOrDefault();
            if (soundTracks == null) {
                ExportInformationList.Add("Could not find sound track about this sound in the streaming data ICB");
                return;
            }

            foreach (var soundTrack in soundTracks.SoundTracks) {
                var isbIndex = soundTrack.BufferIndex & 0xFFFF;
                var sampChunk = ibp.ISBBank.GetAllBankChunks().OfType<ISACTListBankChunk>().FirstOrDefault(x =>
                    x.ObjectType == "samp" && x.GetAllSubChunks().Any(a => a is IntBankChunk { ChunkName: "indx" } ac && ac.Value == isbIndex));
                if (sampChunk == null) {
                    ExportInformationList.Add($"Could not find samp resource index {isbIndex} in streaming ISB referenced by ICB");
                    continue;
                }

                if (sampChunk.SampleOffset != null) {
                    ExportInformationList.Add(sampChunk);
                    ExportInfoListBox.SelectedItem = sampChunk; // Select it so playback is easier to start
                } else {
                    ExportInformationList.Add("The ISB data for this entry does not list an external ISB offset for some reason");
                }
            }
        } else {
            ExportInformationList.Add("Audio data can only load in the toolset if the streaming data is an export");
        }
    }
}

foreach (var filePath in files)  //handle cases of mods/dlc having same file.
{
    bool isBaseFile = cdir.ToLower() == "biogame";
    bool isDLCFile = filePath.ToLower().Contains("dlc");
    if (isBaseFile == isDLCFile)
    {
        continue;
    }
    audioPcc = MEPackageHandler.OpenMEPackage(filePath);
    if (currentGame.IsGame1()) {
        var stream = audioPcc.Exports.FirstOrDefault(x => x.ClassName == "SoundNodeWave" && x.InstancedFullPath.ToLower().EndsWith(searchWav));
        if (stream != null) {
            SoundpanelWPF_ADB.LoadExport(stream);
            break;
        }
        audioPcc.Dispose();
    } else {
        var stream = audioPcc.Exports.FirstOrDefault(x => x.ClassName == "WwiseStream" && x.ObjectNameString.ToLower().Contains(searchWav));
        if (stream != null) {
            SoundpanelWPF_ADB.LoadExport(stream);
            break;
        }
        audioPcc.Dispose();
    }
}