// get the real offset of the data (without load address)
int GetTrueOffset(QueuedFile file)
{
if (file.Settings.HasLoad || file.Settings.AddLoad)
{
return(file.Offset + 2);
}
return(file.Offset);
}
// get the real length of the data (without load address)
int GetTrueLength(QueuedFile file)
{
if (file.Settings.HasLoad || file.Settings.AddLoad)
{
return(file.Data.Length - 2);
}
return(file.Data.Length);
}
// files write only in the empty space between patches
public void WriteFile(FileSettings file, byte[] data)
{
QueuedFile qf = new QueuedFile();
qf.Checksum = Checksum(data);
qf.Data = data;
qf.Dir = false;
qf.NoOverwrite = true;
qf.Offset = GetOffset(file.Offset);
qf.Settings = file;
//if (qf.Offset < 0)
// qf.Offset = 0;
queue.Add(qf);
}
// build directories separately
public void WriteDir(FileSettings file)
{
QueuedFile qf = new QueuedFile();
qf.Data = new byte[256];
qf.Dir = true;
qf.NoOverwrite = false;
qf.Offset = GetOffset(file.Offset);
qf.Settings = file;
if (qf.Offset < 0)
{
qf.Offset = 0;
}
queue.Add(qf);
}
// apply all queued files
public void Update()
{
Encoding enc = Encoding.GetEncoding(437);
List <QueuedFile> patches = new List <QueuedFile>();
List <QueuedFile> files = new List <QueuedFile>();
List <QueuedFile> dirs = new List <QueuedFile>();
List <QueuedFile> unsortedFiles = new List <QueuedFile>();
Dictionary <int, QueuedFile> fileHashTable = new Dictionary <int, QueuedFile>();
// separate patches from files and dirs
foreach (QueuedFile file in queue)
{
if (file.NoOverwrite)
{
files.Add(file);
}
else
if (file.Dir)
{
dirs.Add(file);
}
else
{
patches.Add(file);
}
}
unsortedFiles.AddRange(files.ToArray());
// create directory map
int fileCount = files.Count;
int[] fileMap = new int[fileCount];
for (int i = 0; i < fileCount; i++)
{
fileMap[i] = i;
}
// sort files by size (decreasing)
while (true)
{
bool finished = true;
for (int i = 1; i < fileCount; i++)
{
if (files[i].Data.Length > files[i - 1].Data.Length)
{
QueuedFile temp = files[i];
files[i] = files[i - 1];
files[i - 1] = temp;
int tempint = fileMap[i];
fileMap[i] = fileMap[i - 1];
fileMap[i - 1] = tempint;
finished = false;
}
}
if (finished)
{
break;
}
}
// check for duplicates
for (int i = 0; i < fileCount; i++)
{
QueuedFile file = files[i];
if (!file.Dir)
{
if (!fileHashTable.ContainsKey(file.Checksum))
{
fileHashTable.Add(file.Checksum, file);
}
else
{
files[i] = fileHashTable[file.Checksum];
}
}
}
// apply patches
foreach (QueuedFile file in patches)
{
WriteRegion(file.Settings, file.Data, file.Offset, false);
}
// blank dirs are written the first time so files can navigate around them
foreach (QueuedFile file in dirs)
{
if (file.Settings.Source.Contains(":") && file.Settings.Source.Split(':')[0].ToLowerInvariant() == "easyfs")
{
file.Data = new byte[0x18 * (fileCount + 1)];
}
WriteRegion(file.Settings, file.Data, file.Offset, false);
}
// apply files
List <QueuedFile> addedFiles = new List <QueuedFile>();
for (int i = 0; i < fileCount; i++)
{
if (fileMap[i] == 70)
{
}
QueuedFile file = files[i];
if (!addedFiles.Contains(file))
{
file.Offset = FitRegion(file.Offset, file.Data.Length, file.Settings.Lorom, file.Settings.Hirom);
WriteRegion(file.Settings, file.Data, file.Offset, true);
addedFiles.Add(file);
}
else
{
unsortedFiles[fileMap[i]].Offset = file.Offset;
}
}
// process and write dirs now that we know where the files are
foreach (QueuedFile file in dirs)
{
string dirKey;
string dirName;
if (file.Settings.Source.Contains(":"))
{
var keySections = file.Settings.Source.Split(':');
dirKey = keySections[0];
dirName = keySections[keySections.Length - 1].ToLowerInvariant();
fileCount = 0;
foreach (QueuedFile f in files)
{
if (f.Settings.Section.ToLowerInvariant() == dirName)
{
fileCount++;
}
}
}
else
{
dirKey = file.Settings.Source;
dirName = "";
fileCount = files.Count;
}
for (int i = 0; i < file.Data.Length; i++)
{
file.Data[i] = (byte)(settings.Fill & 0xFF);
}
int idx = 0;
switch (dirKey.ToLowerInvariant())
{
case "bankhigh":
foreach (QueuedFile f in unsortedFiles)
{
if (dirName == "" || dirName == f.Settings.Section.ToLowerInvariant())
{
file.Data[idx] = (byte)((GetTrueOffset(f) / settings.BankSize) >> 8);
idx++;
}
}
break;
case "banklow":
foreach (QueuedFile f in unsortedFiles)
{
if (dirName == "" || dirName == f.Settings.Section.ToLowerInvariant())
{
file.Data[idx] = (byte)((GetTrueOffset(f) / settings.BankSize) & 0xFF);
idx++;
}
}
break;
case "easyfs":
for (idx = 0; idx < fileCount; idx++)
{
QueuedFile currentFile = unsortedFiles[idx];
byte[] byteName = enc.GetBytes(currentFile.Settings.Target);
int offset = idx * 0x18;
Array.Resize(ref byteName, 0x10);
Array.Copy(byteName, 0, file.Data, offset + 0, 16);
if (!currentFile.Settings.Lorom)
{
file.Data[offset + 16] = 0x03;
}
else if (!currentFile.Settings.Hirom)
{
file.Data[offset + 16] = 0x02;
}
else
{
file.Data[offset + 16] = 0x01;
}
if (currentFile.Settings.Hidden)
{
file.Data[offset + 16] |= 0x80;
}
file.Data[offset + 16] |= 0x60;
file.Data[offset + 17] = (byte)(currentFile.Offset / settings.BankSize);
file.Data[offset + 18] = 0;
file.Data[offset + 19] = (byte)(currentFile.Offset & 0xFF);
file.Data[offset + 20] = (byte)((currentFile.Offset & 0x3F00) >> 8);
file.Data[offset + 21] = (byte)((currentFile.Data.Length) & 0xFF);
file.Data[offset + 22] = (byte)((currentFile.Data.Length >> 8) & 0xFF);
file.Data[offset + 23] = (byte)((currentFile.Data.Length >> 16) & 0xFF);
}
break;
case "lengthhigh":
foreach (QueuedFile f in unsortedFiles)
{
if (dirName == "" || dirName == f.Settings.Section.ToLowerInvariant())
{
int offset = GetTrueLength(f);
if (settings.LengthTC)
{
offset = (offset ^ 0xFFFF) + 1;
}
file.Data[idx] = (byte)((offset >> 8) & 0xFF);
idx++;
}
}
break;
case "lengthlow":
foreach (QueuedFile f in unsortedFiles)
{
if (dirName == "" || dirName == f.Settings.Section.ToLowerInvariant())
{
int offset = GetTrueLength(f);
if (settings.LengthTC)
{
offset = (offset ^ 0xFFFF) + 1;
}
file.Data[idx] = (byte)(offset & 0xFF);
idx++;
}
}
break;
case "loadhigh":
foreach (QueuedFile f in unsortedFiles)
{
if (dirName == "" || dirName == f.Settings.Section.ToLowerInvariant())
{
file.Data[idx] = (byte)((f.Settings.Load >> 8) & 0xFF);
idx++;
}
}
break;
case "loadlow":
foreach (QueuedFile f in unsortedFiles)
{
if (dirName == "" || dirName == f.Settings.Section.ToLowerInvariant())
{
file.Data[idx] = (byte)((f.Settings.Load) & 0xFF);
idx++;
}
}
break;
case "offsethigh":
foreach (QueuedFile f in unsortedFiles)
{
if (dirName == "" || dirName == f.Settings.Section.ToLowerInvariant())
{
file.Data[idx] = (byte)(((GetTrueOffset(f) >> 8) & 0x3F) | 0x80);
idx++;
}
}
break;
case "offsetlow":
foreach (QueuedFile f in unsortedFiles)
{
if (dirName == "" || dirName == f.Settings.Section.ToLowerInvariant())
{
file.Data[idx] = (byte)(GetTrueOffset(f) & 0xFF);
idx++;
}
}
break;
case "name":
if (file.Settings.Source.Split(':').Length > 2)
{
int nameIndex = Convert.ToInt32(file.Settings.Source.Split(':')[1]);
foreach (QueuedFile f in unsortedFiles)
{
byte[] byteName = enc.GetBytes(f.Settings.Target);
if (dirName == "" || dirName == f.Settings.Section.ToLowerInvariant())
{
if (nameIndex >= byteName.Length)
{
file.Data[idx] = 0;
}
else
{
file.Data[idx] = byteName[nameIndex];
}
idx++;
}
}
}
break;
default:
Debug.Assert(false, "Unknown directory type");
break;
}
WriteRegion(file.Settings, file.Data, file.Offset, false);
}
queue.Clear();
}
