public static Node[] GetNodes(byte[] bytes, string parent_file, AldFileEntry parent)
{
List <Node> list = new List <Node>();
using (var ms1 = new MemoryStream(bytes))
using (var brfile = new BinaryReader(ms1))
while (brfile.BaseStream.Position < brfile.BaseStream.Length)
{
long tag_start_offset = brfile.BaseStream.Position;
var tag = (new Tag()).ReadTag(brfile);
if (tag.TagName == "LIBL" && tag.TagLength > 16)
{
var dataBytes = tag.TagData;
using (var ms = new MemoryStream(dataBytes))
using (var brtag = new BinaryReader(ms))
{
int fileCount = brtag.ReadInt32(); //9
int dataLength = 0;
string fileName = "alt_image.ajp";
for (int fileNumber = 0; fileNumber < fileCount; fileNumber++)
{
HexView.Debugger(dataBytes.Slice(brtag.BaseStream.Position, brtag.BaseStream.Position + 50));
uint fileNameLength = brtag.ReadUInt32(); //8
if (fileNameLength > 255)
{
continue;
}
var fileNameBytes = brtag.ReadBytes((int)fileNameLength);
brtag.BaseStream.Position = ((brtag.BaseStream.Position - 1) | 3) + 1;
fileName = shiftJis.GetString(fileNameBytes);
if (parent_file != null)
{
fileName = Path.GetFileNameWithoutExtension(parent_file) +
$"_image{fileNumber.ToString().PadLeft(1 + (int)System.Math.Log(fileCount, 10), '0')}";
}
int type = brtag.ReadInt32();
dataLength = brtag.ReadInt32();
long libl_img_off = brtag.BaseStream.Position + tag_start_offset + 8; // 8 is (tag + size)
HexView.Debugger(dataBytes.Slice(libl_img_off, libl_img_off + 20));
if (type == (int)DataType.FLAG_CG)
{
int unknown1 = brtag.ReadInt32(); // XXX: special case: CG usually (not always!) has extra int32
int maybe_head;
if (unknown1 == 0x00544E51 || unknown1 == 0x00504A41) // QNT or AJP
{
maybe_head = unknown1;
}
else
{
maybe_head = brtag.ReadInt32();
}
byte[] imageBytes = null;
brtag.BaseStream.Position -= 4;
if (maybe_head == 0x00544E51) //QNT needs the tag
{
libl_img_off -= 4;
imageBytes = brtag.ReadBytes(dataLength);
fileName += ".qnt";
}
else if (maybe_head == 0x00504A41) //AJP needs the tag
{
libl_img_off -= 4;
imageBytes = brtag.ReadBytes(dataLength);
fileName += ".ajp";
}
else // unknown image
//imageBytes = brtag.ReadBytes(dataLength);
{
brtag.BaseStream.Position += dataLength;
fileName += ".dat";
}
if (imageBytes != null)
{
list.Add(new Node()
{
Bytes = imageBytes, FileName = fileName, Offset = libl_img_off, Parent = parent
});
}
}
else
{
brtag.BaseStream.Position += dataLength;
}
brtag.BaseStream.Position = ((brtag.BaseStream.Position - 1) | 3) + 1 - 4;
} // for
}
} // LIBL
else if (tag.TagName == "TALT" && tag.TagLength > 16)
{
var dataBytes = tag.TagData;
using (var ms = new MemoryStream(dataBytes))
using (var brtag = new BinaryReader(ms))
{
int fileCount = brtag.ReadInt32(); //9
int dataLength = 0;
string fileName = "alt_image.ajp";
for (int fileNumber = 0; fileNumber < fileCount; fileNumber++)
{
if (parent_file != null)
{
fileName = Path.GetFileNameWithoutExtension(parent_file) +
$"_alt_image{fileNumber.ToString().PadLeft(System.Math.Max(0, (int)System.Math.Log(10, fileCount)) + 1, '0')}";
}
dataLength = brtag.ReadInt32(); //9
//brtag.BaseStream.Position += dataLength;
brtag.BaseStream.Position = ((brtag.BaseStream.Position - 1) | 3) + 1;
int maybe_head = brtag.ReadInt32(); //
long libl_img_off = brtag.BaseStream.Position + tag_start_offset + 8;
HexView.Debugger(bytes.Slice(libl_img_off, libl_img_off + 20));
byte[] imageBytes = null;
brtag.BaseStream.Position -= 4;
if (maybe_head == 0x00544E51) //QNT needs the tag
{
libl_img_off -= 4;
imageBytes = brtag.ReadBytes(dataLength);
fileName += ".qnt";
}
if (maybe_head == 0x00504A41) //AJP needs the tag
{
libl_img_off -= 4;
imageBytes = brtag.ReadBytes(dataLength);
fileName += ".ajp";
}
else // unknown image
//imageBytes = brtag.ReadBytes(dataLength);
{
brtag.BaseStream.Position += dataLength;
fileName += ".dat";
}
if (imageBytes != null)
{
list.Add(new Node()
{
Bytes = imageBytes, FileName = fileName, Offset = libl_img_off, Parent = parent
});
}
brtag.BaseStream.Position = ((brtag.BaseStream.Position - 1) | 3) + 1 - 4;
} // for
}
} // TALT
}// EndOfStream
return(list.ToArray());
}
