Fixed multiple issues with NARC library (#511)
* Fixed multiple issues with NARC library - Support for NARC files with folders (read-only) - Fixed alignment of files. - Optimised loading. * Quick fixes * Cleanup
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JkKU
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c928879082
@ -2,6 +2,7 @@ using Syroot.BinaryData;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using Toolbox.Library;
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using Toolbox.Library.IO;
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@ -28,9 +29,7 @@ namespace FirstPlugin {
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// private
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private Header header;
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private BTAF btaf;
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private BTNF btnf;
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private GMIF gmif;
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private byte[] bfntUnk = new byte[] { 0x00, 0x00, 0x01, 0x00 };
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private List<FileEntry> files = new List<FileEntry>();
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@ -56,33 +55,86 @@ namespace FirstPlugin {
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public void Load(Stream stream) {
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using(FileReader reader = new FileReader(stream)) {
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//DirectoryEntry currentDirEntry = rootDir;
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string currentDir = string.Empty;
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header = new Header(reader);
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for(uint i = 0; i < header.DataBlocks; i++) {
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long PositionBuf = reader.Position;
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string cSectionMagic = Encoding.ASCII.GetString(reader.ReadBytes(4)).ToUpperInvariant();
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uint cSectionSize = reader.ReadUInt32();
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reader.ReadSignature(4, "BTAF");
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switch(cSectionMagic) {
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case "BTAF":
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btaf = new BTAF(reader);
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break;
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case "BTNF":
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btnf = new BTNF(reader, (uint) btaf.FileDataArray.Length);
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break;
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case "GMIF":
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gmif = new GMIF(reader, btaf);
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break;
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// The positions where the sections' reading was left last time.
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long bfatIndex = reader.Position + 8;
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long bfntIndex = reader.Position + reader.ReadUInt32(); // From the BFAT length.
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long fimgIndex;
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uint fileCount = reader.ReadUInt32();
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uint currentFileOffset;
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uint currentFileEnd;
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reader.Position = bfntIndex;
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fimgIndex = reader.Position + reader.ReadUInt32() + 4; // Sets FIMG section begining.
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bfntUnk = reader.ReadBytes(reader.ReadInt32() - 4);
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for(int i = 0; i < fileCount; i++) {
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byte nameLength = reader.ReadByte();
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if(nameLength == 0x00) { // End of the "folder".
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List<int> slashIndices = new List<int>();
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for(int j = 0; j < currentDir.Length; j++)
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if(currentDir[j] == '/')
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slashIndices.Add(j);
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int lastSlash = slashIndices.Last();
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slashIndices.Remove(lastSlash);
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int slashBeforeLast = slashIndices.Count > 0 ? slashIndices.Last() : 0;
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currentDir = currentDir.Remove(slashBeforeLast + 1);
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if(currentDir.Length == 1)
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currentDir = string.Empty;
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i--;
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continue;
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}
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reader.Position = PositionBuf + cSectionSize;
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}
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if(nameLength >= 0x80) { // If it is a "folder".
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// Disable file modifications:
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CanSave = false;
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CanAddFiles = false;
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CanRenameFiles = false;
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CanReplaceFiles = false;
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CanDeleteFiles = false;
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for(int i = 0; i < btnf.FileNames.Length; i++)
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files.Add(new FileEntry(this) {
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FileName = btnf.FileNames[i],
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BlockData = gmif.FilesData[i]
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string dirName = reader.ReadString(nameLength & 0x7F);
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currentDir += dirName + "/";
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reader.Position += 2;
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i--;
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continue;
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}
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// Read BFAT section:
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using(reader.TemporarySeek()) {
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reader.Position = bfatIndex;
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currentFileOffset = reader.ReadUInt32();
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currentFileEnd = reader.ReadUInt32();
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bfatIndex = reader.Position;
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}
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string name = reader.ReadString(nameLength);
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using(reader.TemporarySeek()) {
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reader.Position = fimgIndex + currentFileOffset;
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files.Add(new FileEntry(this) {
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FileName = currentDir + name,
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BlockData = reader.ReadBytes((int) (currentFileEnd - currentFileOffset))
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});
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}
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}
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}
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}
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@ -219,7 +271,7 @@ namespace FirstPlugin {
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writer.Write(header.Version); // Version.
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long headerLengthPorsition = writer.Position;
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writer.Write(0x00000000); // Skips length writing.
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writer.Position += 4; // Skips length writing.
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writer.Write(header.HeaderSize); // Header length.
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writer.Write(header.DataBlocks); // Section count.
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@ -230,21 +282,21 @@ namespace FirstPlugin {
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writer.Write((uint) files.Count); // File count.
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for(uint i = 0; i < files.Count; i++) // Reads unset bytes per file. (Reserved space for later)
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writer.Write((long) 0x0000000000000000);
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writer.Position += 8;
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WriteSectionLength(btafPosition);
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#endregion
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#region BTNF
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long btnfPosition = WriteSectionHeader("BTNF"); // Header.
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writer.Write(btnf.Unknown);
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writer.Write(bfntUnk.Length + 4);
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writer.Write(bfntUnk);
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foreach(ArchiveFileInfo file in files)
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writer.Write(file.FileName, BinaryStringFormat.ByteLengthPrefix);
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writer.Write((byte) 0x00);
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writer.Align(32);
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writer.Position += 8;
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writer.Align(128);
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WriteSectionLength(btnfPosition);
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#endregion
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@ -257,7 +309,7 @@ namespace FirstPlugin {
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WriteBTAFEntry(); // BTAF offset
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writer.Write(file.FileData);
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WriteBTAFEntry(); // BTAF size.
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writer.Align(16);
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writer.Align(128);
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}
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WriteSectionLength(gmifPosition);
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@ -270,7 +322,7 @@ namespace FirstPlugin {
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long startPosition = writer.Position;
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writer.Write(magic, BinaryStringFormat.NoPrefixOrTermination, Encoding.ASCII); // Magic.
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writer.Write(0x00000000); // Skips length position.
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writer.Position += 4; // Skips length position.
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return startPosition;
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}
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@ -296,60 +348,5 @@ namespace FirstPlugin {
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}
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}
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}
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#region Sections
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internal class BTAF {
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public FD[] FileDataArray;
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public BTAF() { }
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public BTAF(BinaryDataReader reader) {
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uint numberOfFiles = reader.ReadUInt32();
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FileDataArray = new FD[numberOfFiles];
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for(ulong i = 0; i < numberOfFiles; i++) {
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FileDataArray[i].offset = reader.ReadUInt32();
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FileDataArray[i].size = reader.ReadUInt32();
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}
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}
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public class FD
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{
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public uint offset;
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public uint size;
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}
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}
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internal class BTNF {
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public string[] FileNames;
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public ulong Unknown;
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public BTNF() { }
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public BTNF(BinaryDataReader reader, uint numberOfFiles) {
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Unknown = reader.ReadUInt64();
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FileNames = new string[numberOfFiles];
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for(int i = 0; i < numberOfFiles; i++) {
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FileNames[i] = reader.ReadString(BinaryStringFormat.ByteLengthPrefix, Encoding.ASCII);
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}
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}
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}
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internal class GMIF {
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public byte[][] FilesData;
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public GMIF() { }
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public GMIF(BinaryDataReader reader, BTAF btaf) {
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FilesData = new byte[btaf.FileDataArray.Length][];
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long PositionBuf = reader.Position;
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for(int i = 0; i < btaf.FileDataArray.Length; i++) {
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reader.Position = PositionBuf + btaf.FileDataArray[i].offset;
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FilesData[i] = reader.ReadBytes(
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(int) (btaf.FileDataArray[i].size - btaf.FileDataArray[i].offset));
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}
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}
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}
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#endregion
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}
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}
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