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857beaeab6
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a4036e89d6
@ -63,21 +63,7 @@ namespace TmrHiroRepack
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Encoding? shiftJis = provider.GetEncoding("shift-jis");
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string[] files = Directory.GetFiles(folderPath);
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short count = (short)files.Length; //文件数量
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string[] extensions = [".ogg", ".grd", ".srp"]; //需要移除的文件后缀，因为这是Garbro添加的
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int max_name_length = 0;
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foreach (string file in files)
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{
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string fileName = Path.GetFileName(file);
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foreach (var extension in extensions)
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{
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if (fileName.EndsWith(extension, StringComparison.OrdinalIgnoreCase))
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{
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fileName = fileName[..^extension.Length];
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}
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}
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max_name_length = Math.Max(max_name_length, shiftJis.GetBytes(fileName).Length);
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}
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byte name_length = (byte)max_name_length; //文件名长度,每个封包值都不同
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byte name_length = 0x16; //文件名长度(貌似固定16?)
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uint data_offset;
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if (version == 1)
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data_offset = 7 + ((uint)name_length + 8) * (uint)count; //Data区偏移
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@ -86,7 +72,8 @@ namespace TmrHiroRepack
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else
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throw new Exception("Invalid Version");
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long offset = 0; //Index区偏移
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List<Index> indexs = [];
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List<Index> indexs = new();
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string[] extensions = { ".ogg", ".grd", ".srp" }; //需要移除的文件后缀，因为这是Garbro添加的
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foreach (string file in files)
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{
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Index i = new();
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@ -98,6 +85,8 @@ namespace TmrHiroRepack
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if (fileName.EndsWith(extension, StringComparison.OrdinalIgnoreCase))
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{
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fileName = fileName[..^extension.Length];
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if (shiftJis.GetBytes(fileName).Length > name_length)
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throw new Exception("Something Wrong, File name too long");
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}
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}
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i.name = fileName;
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@ -123,54 +112,35 @@ namespace TmrHiroRepack
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}
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//准备开写
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string outputPath = Path.Combine(Path.GetDirectoryName(folderPath), Path.GetFileName(folderPath) + ".pac");
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using FileStream fs = new(outputPath, FileMode.Create);
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using BinaryWriter bw = new(fs);
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bw.Write(count);//文件数量
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bw.Write(name_length);//文件名长度
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bw.Write(data_offset);//Data区偏移
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foreach (Index i in indexs)
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using (FileStream fs = new(outputPath, FileMode.Create))
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using (BinaryWriter bw = new(fs))
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{
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byte[] name = new byte[name_length];
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Array.Copy(shiftJis.GetBytes(i.name), name, shiftJis.GetBytes(i.name).Length);
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bw.Write(name);//文件名
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if (version == 1)
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bw.Write(count);//文件数量
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bw.Write(name_length);//文件名长度
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bw.Write(data_offset);//Data区偏移
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foreach (Index i in indexs)
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{
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bw.Write(i.entryInfoV1.entryOffset);//文件偏移
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bw.Write(i.entryInfoV1.entrySize);//文件大小
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}
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else if (version == 2)
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{
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bw.Write(i.entryInfoV2.entryOffset);//文件偏移
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bw.Write(i.entryInfoV2.entrySize);//文件大小
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}
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}
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foreach (string file in files)
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{
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//检查是否是脚本文件(文件后缀.srp)
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if (Path.GetExtension(file) == ".srp") // Script file detected
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{
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byte[] DecryptData = File.ReadAllBytes(file);
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uint offset2 = 0;
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int record_count = BitConverter.ToInt32(DecryptData, (int)offset2);
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offset2 += 4;
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for (int i = 0; i < record_count; i++)
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byte[] name = new byte[name_length];
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Array.Copy(shiftJis.GetBytes(i.name), name, shiftJis.GetBytes(i.name).Length);
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bw.Write(name);//文件名
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if (version == 1)
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{
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ushort chunk_size = (ushort)(BitConverter.ToUInt16(DecryptData, (int)offset2) - 4); //我知道这里有潜在的问题，但我不相信哪个游戏单个script文件有2G
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offset2 += 6;
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for (int j = 0; j < chunk_size; j++)
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{
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DecryptData[offset2] = Utils.RotByteL(DecryptData[offset2], 4);
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offset2++;
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}
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bw.Write(i.entryInfoV1.entryOffset);//文件偏移
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bw.Write(i.entryInfoV1.entrySize);//文件大小
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}
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else if (version == 2)
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{
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bw.Write(i.entryInfoV2.entryOffset);//文件偏移
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bw.Write(i.entryInfoV2.entrySize);//文件大小
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}
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bw.Write(DecryptData);
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}
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else
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foreach (string file in files)
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{
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using FileStream fs2 = new(file, FileMode.Open);
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fs2.CopyTo(fs);
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using (FileStream fs2 = new(file, FileMode.Open))
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{
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fs2.CopyTo(fs);
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}
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}
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}
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return true;
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}
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@ -122,17 +122,5 @@ namespace TmrHiroRepack
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_ => throw new NotSupportedException($"Unsupported column Size: {v}"),
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};
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}
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public static byte RotByteR(byte v, int count)
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{
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count &= 7;
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return (byte)(v >> count | v << (8 - count));
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}
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public static byte RotByteL(byte v, int count)
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{
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count &= 7;
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return (byte)(v << count | v >> (8 - count));
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}
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}
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}
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@ -1,28 +0,0 @@
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count short 2B
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name_length uint 1B
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data_offset uint 4B
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如果data_offset=7+(name_length+8)*count ->v1
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如果data_offset=7+(name_length+12)*count ->v2
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index_offset=7
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[ INDEX
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name *string name_length
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{ v1
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entryOffset uint 4B (+data_offset *相对整个文件而言)
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entrySize uint 4B
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}
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{ v2
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entryOffset long 8B (+data_offset *同上)
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entrySize uint 4B
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}
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]
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[ DATA
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]
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文件处理
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.ogg/.grd/.srp全部去掉
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