public SFOData Build()
{
SFOData sfo = new SFOData();
sfo.Magic = 0x46535000; // _PSF
sfo.Version = 0x00000101;
sfo.Entries = new List <SFODir>();
var headerSize = 20;
var indexTableSize = entries.Count * 16;
var keyTableSize = entries.Sum(x => x.Key.Length + 1);
if (keyTableSize % 4 != 0)
{
sfo.Padding = (uint)(4 - keyTableSize % 4);
}
sfo.KeyTableOffset = (uint)(headerSize + indexTableSize);
sfo.DataTableOffset = sfo.KeyTableOffset + (uint)keyTableSize + sfo.Padding;
ushort keyOffset = 0;
uint dataOffset = 0;
for (var i = 0; i < entries.Count; i++)
{
var entry = entries[i];
var entryLength = GetEntryLength(entry.Key, entry.Value);
var maxLength = GetMaxLength(entry.Key);
if (entryLength > maxLength)
{
throw new Exception("Value for {entry.Key} exceeds maximum allowed length");
}
sfo.Entries.Add(new SFODir()
{
KeyOffset = keyOffset,
Format = GetEntryType(entry.Key),
Length = entryLength,
MaxLength = maxLength,
DataOffset = dataOffset,
Key = entry.Key,
Value = entry.Value,
});
dataOffset += maxLength;
keyOffset += (ushort)(entries[i].Key.Length + 1);
}
sfo.Size = sfo.DataTableOffset + dataOffset;
return(sfo);
}
/// <summary>
///
/// </summary>
/// <param name="sfo"></param>
/// <returns></returns>
private uint[] BuildHeader(SFOData sfo)
{
// point to the end of the header
uint currentOffset = 0x28;
uint[] header = new uint[0x28 / 4];
header[0] = PBPMAGIC; // Header: PBP<null>
header[1] = 0x10000;
header[2] = currentOffset; // Start of SFO
currentOffset += sfo.Size;
header[3] = currentOffset; // Start of ICON0
currentOffset += convertInfo.Icon0.Size;
header[4] = currentOffset; // Start of ICON1
currentOffset += convertInfo.Icon1.Size;
header[5] = currentOffset; // Start of PIC0
currentOffset += convertInfo.Pic0.Size;
header[6] = currentOffset; // Start of PIC1
currentOffset += convertInfo.Pic1.Size;
header[7] = currentOffset; // Start of SND0
currentOffset += convertInfo.Snd0.Size;
header[8] = currentOffset; // Start of DATA.PSP
var psarOffset = header[8] + convertInfo.DataPsp.Size;
if ((psarOffset % 0x10000) != 0)
{
psarOffset = psarOffset + (0x10000 - (psarOffset % 0x10000));
}
header[9] = psarOffset; // Start of DATA.PSAR
return(header);
}