public Bitmap Get(int index)
{
lock (art.SyncRoot) {
if (art.Disposed)
{
throw new ObjectDisposedException("Art");
}
if (index < 0 || index >= Count)
{
throw new ArgumentOutOfRangeException("index");
}
if (art.changeList.ContainsKey(index + Offset))
{
return(art.changeList[index + Offset]);
}
else
{
IndexData indexData = art.indexFile.Get(index + Offset, false);
if (indexData.IsValid)
{
return(ReadFromStream(indexData));
}
else
{
return(null);
}
}
}
}
/// <summary>
/// Adds data to the end of the list.
/// </summary>
/// <param name="data">New data.</param>
/// <returns>Index of written data.</returns>
/// <exception cref="System.ObjectDisposedException">Object has been disposed.</exception>
public int Add(IndexData data)
{
if (Disposed)
{
throw new ObjectDisposedException("IndexFile");
}
list.Add(data);
return(list.Count - 1);
}
/// <summary>
/// Sets data at specified index.
/// </summary>
/// <param name="index">Index of data.</param>
/// <param name="data">New data.</param>
/// <param name="create">If true list is automaticly resized; otherwise exception is thrown.</param>
/// <exception cref="System.ArgumentOutOfRangeException">Thrown when create is false and index is less than zero or equal to or greater than Count.</exception>
/// <exception cref="System.ObjectDisposedException">Object has been disposed.</exception>
public void Set(int index, IndexData data, bool create)
{
if (Disposed)
{
throw new ObjectDisposedException("IndexFile");
}
if (index > list.Count && create)
{
Resize(index);
}
list[index] = data;
}
/// <summary>
/// Writes a Tile bitmap (44x44) into specified file and returns structure with indexing information.
/// </summary>
/// <param name="stream">Stream where to write to.</param>
/// <param name="bitmap">Bitmap to write. If null, returns invalid IndexData.</param>
/// <returns>IndexData structure with indexing information.</returns>
/// <remarks>It writes only diamond from source image, other is ignored.</remarks>
public static IndexData WriteTile(Stream stream, Bitmap bitmap)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (bitmap == null)
{
return(IndexData.Empty);
}
// Check bitmap
if (bitmap.Height != 44 || bitmap.Width != 44)
{
throw new ArgumentException("Bitmap has incorrect size. Only allowed is 44x44.", "bitmap");
}
// Create index list
IndexData indexdata = IndexData.Empty;
indexdata.Lookup = (uint)stream.Position;
indexdata.Extra = 0;
BinaryWriter writer = new BinaryWriter(stream);
for (int y = 0; y < 22; y++)
{
int x = 22 - (y + 1);
int lenght = (y + 1) * 2;
for (int i = 0; i < lenght; i++)
{
writer.Write(UOColorConverter.FromColor(bitmap.GetPixel(x + i, y)));
}
}
for (int y = 22; y < 44; y++)
{
int x = y - 22;
int lenght = (44 - y) * 2;
for (int i = 0; i < lenght; i++)
{
writer.Write(UOColorConverter.FromColor(bitmap.GetPixel(x + i, y)));
}
}
indexdata.Lenght = (uint)stream.Position - indexdata.Lookup;
return(indexdata);
}
/// <summary>
/// Loads IndexFile object from file.
/// </summary>
/// <param name="file">File path.</param>
public static IndexFile Load(string file)
{
Stream stream = null;
BinaryReader reader = null;
try
{
stream = File.OpenRead(file);
reader = new BinaryReader(stream);
Trace.WriteLineIf((stream.Length % IndexData.Size) != 0, "IndexFile: File size is not multiple of 12.", "MulLib");
IndexFile indexFile = new IndexFile();
IndexData data = new IndexData();
for (int i = 0; i < stream.Length / IndexData.Size; i++)
{
data.Lookup = reader.ReadUInt32();
data.Lenght = reader.ReadUInt32();
data.Extra = reader.ReadUInt32();
indexFile.list.Add(data);
}
Trace.WriteLine(String.Format("IndexFile: File \"{0}\" succesfully loaded.", file), "MulLib");
return(indexFile);
}
catch (Exception e)
{
throw new Exception("Error loading IndexFile.", e);
}
finally
{
if (reader != null)
{
reader.Close();
}
if (stream != null)
{
stream.Close();
}
}
}
/// <summary>
/// Stores this object to specified files.
/// </summary>
/// <param name="idxFile">Index file.</param>
/// <param name="mulFile">Data file.</param>
/// <exception cref="System.ObjectDisposedException">Object has been disposed.</exception>
public void Save(string idxFile, string mulFile)
{
lock (syncRoot)
{
if (Disposed)
{
throw new ObjectDisposedException("Skills");
}
IndexFile indexFile = null;
Stream stream = null;
BinaryWriter writer = null;
Stream indexStream = null;
try
{
indexStream = File.Open(idxFile, FileMode.Create, FileAccess.Write, FileShare.None);
indexFile = new IndexFile();
stream = File.OpenWrite(mulFile);
writer = new BinaryWriter(stream);
IndexData indexData = new IndexData();
foreach (SkillData skillData in list)
{
indexData.Lookup = (uint)stream.Position;
indexData.Lenght = (uint)skillData.Name.Length + 1;
indexData.Extra = skillData.Extra;
writer.Write(skillData.Action);
writer.Write(Encoding.ASCII.GetBytes(skillData.Name));
indexFile.Add(indexData);
}
indexFile.Resize(256);
indexFile.Save(indexStream);
Trace.WriteLine(String.Format("IndexFile: File \"{0}\" succesfully saved.", idxFile), "MulLib");
writer.Flush();
Trace.WriteLine(String.Format("Skills: File \"{0}\" succesfully saved.", mulFile), "MulLib");
}
catch (Exception e)
{
throw new Exception("Error saving Skills.", e);
}
finally
{
if (indexFile != null)
{
indexFile.Dispose();
}
if (indexStream != null)
{
indexStream.Close();
}
if (writer != null)
{
writer.Close();
}
if (stream != null)
{
stream.Close();
}
}
}
}
protected override Bitmap ReadFromStream(IndexData indexData)
{
art.dataStream.Seek(indexData.Lookup, SeekOrigin.Begin);
return Art.ReadTile(art.dataStream);
}
protected abstract Bitmap ReadFromStream(IndexData indexData);
/// <summary>
/// Saves object to specified files.
/// </summary>
/// <param name="idxFile">Index file path.</param>
/// <param name="mulFile">Data file path.</param>
/// <remarks>
/// If mulFile differs from currently loaded file, new file is optimized (data file is sorted and without empty entries).
/// Otherwise file must be loaded with write access.
/// </remarks>
public void Save(string idxFile, string mulFile)
{
lock (syncRoot) {
if (Disposed)
throw new ObjectDisposedException("Art");
Stream indexStream = null;
try {
indexStream = File.Open(idxFile, FileMode.Create, FileAccess.Write, FileShare.None);
if (String.Compare(mulFile, this.mulFile, StringComparison.InvariantCultureIgnoreCase) == 0) {
// Target data file is same as source file. File will not be optimized.
Stream dataStream = this.dataStream;
if (!dataStream.CanWrite)
throw new InvalidOperationException("Trying to save data to source file, that is not opened for Write access.");
foreach (KeyValuePair<int, Bitmap> pair in changeList) {
if (pair.Key < 16384) {
// Tile, can be saved to same location in data stream
IndexData indexData = indexFile.Get(pair.Key, true);
if (indexData.IsValid) {
dataStream.Seek(indexData.Lookup, SeekOrigin.Begin);
IndexData writtenData = Art.WriteTile(dataStream, pair.Value);
Debug.Assert(writtenData.Lookup == indexData.Lookup, "writtenData.Lookup == indexData.Lookup");
Debug.Assert(writtenData.Lenght == indexData.Lenght, "writtenData.Lenght == indexData.Lenght");
}
else {
dataStream.Seek(0, SeekOrigin.End);
IndexData writtenData = Art.WriteTile(dataStream, pair.Value);
indexFile.Set(pair.Key, writtenData, true);
}
}
else {
// Run, will be saved to end of data stream
dataStream.Seek(0, SeekOrigin.End);
IndexData writtenData = Art.WriteRun(dataStream, pair.Value);
indexFile.Set(pair.Key, writtenData, true);
}
}
dataStream.Flush();
Trace.WriteLine(String.Format("Art: File \"{0}\" succesfully updated.", mulFile), "MulLib");
indexFile.Save(indexStream);
Trace.WriteLine(String.Format("IndexFile: File \"{0}\" succesfully saved.", idxFile), "MulLib");
changeList.Clear();
}
else {
// Target data file differs from source file. Optimization will be performed.
try {
Stream dataStream = File.Open(mulFile, FileMode.Create, FileAccess.Write, FileShare.None);
IndexFile newIndexFile = new IndexFile();
for (int i = 0; i < indexFile.Count; i++) {
if (changeList.ContainsKey(i)) {
IndexData writtenData;
if (i < 16384)
writtenData = Art.WriteTile(dataStream, changeList[i]);
else
writtenData = Art.WriteRun(dataStream, changeList[i]);
newIndexFile.Set(i, writtenData, true);
}
else {
IndexData indexData = indexFile.Get(i, false);
if (indexData.IsValid) {
byte[] data = new byte[indexData.Lenght];
this.dataStream.Seek(indexData.Lookup, SeekOrigin.Begin);
this.dataStream.Read(data, 0, (int)indexData.Lenght);
IndexData writtenData = new IndexData();
writtenData.Lookup = (uint)dataStream.Position;
writtenData.Lenght = indexData.Lenght;
writtenData.Extra = indexData.Extra;
dataStream.Write(data, 0, (int)writtenData.Lenght);
}
}
}
dataStream.Flush();
Trace.WriteLine(String.Format("Art: File \"{0}\" succesfully saved.", mulFile), "MulLib");
newIndexFile.Save(indexStream);
Trace.WriteLine(String.Format("IndexFile: File \"{0}\" succesfully saved.", idxFile), "MulLib");
}
finally {
if (dataStream != null)
dataStream.Close();
}
}
}
catch (Exception e) {
throw new Exception("Error saving Art.", e);
}
finally {
if (indexStream != null)
indexStream.Close();
}
}
}
/// <summary>
/// Sets data at specified index.
/// </summary>
/// <param name="index">Index of data.</param>
/// <param name="data">New data.</param>
/// <param name="create">If true list is automaticly resized; otherwise exception is thrown.</param>
/// <exception cref="System.ArgumentOutOfRangeException">Thrown when create is false and index is less than zero or equal to or greater than Count.</exception>
/// <exception cref="System.ObjectDisposedException">Object has been disposed.</exception>
public void Set(int index, IndexData data, bool create)
{
if (Disposed)
throw new ObjectDisposedException("IndexFile");
if (index > list.Count && create)
{
Resize(index);
}
list[index] = data;
}
/// <summary>
/// Adds data to the end of the list.
/// </summary>
/// <param name="data">New data.</param>
/// <returns>Index of written data.</returns>
/// <exception cref="System.ObjectDisposedException">Object has been disposed.</exception>
public int Add(IndexData data)
{
if (Disposed)
throw new ObjectDisposedException("IndexFile");
list.Add(data);
return list.Count - 1;
}
/// <summary>
/// Loads IndexFile object from file.
/// </summary>
/// <param name="file">File path.</param>
public static IndexFile Load(string file)
{
Stream stream = null;
BinaryReader reader = null;
try
{
stream = File.OpenRead(file);
reader = new BinaryReader(stream);
Trace.WriteLineIf((stream.Length % IndexData.Size) != 0, "IndexFile: File size is not multiple of 12.", "MulLib");
IndexFile indexFile = new IndexFile();
IndexData data = new IndexData();
for (int i = 0; i < stream.Length / IndexData.Size; i++)
{
data.Lookup = reader.ReadUInt32();
data.Lenght = reader.ReadUInt32();
data.Extra = reader.ReadUInt32();
indexFile.list.Add(data);
}
Trace.WriteLine(String.Format("IndexFile: File \"{0}\" succesfully loaded.", file), "MulLib");
return indexFile;
}
catch (Exception e)
{
throw new Exception("Error loading IndexFile.", e);
}
finally
{
if (reader != null)
reader.Close();
if (stream != null)
stream.Close();
}
}
/// <summary>
/// Writes a run-compressed bitmap into specified file and returns structure with indexing information.
/// </summary>
/// <param name="stream">Stream where to write to.</param>
/// <param name="bitmap">Bitmap to write. If null, returns invalid IndexData.</param>
/// <returns>IndexData structure with indexing information.</returns>
public static IndexData WriteRun(Stream stream, Bitmap bitmap)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (bitmap == null)
{
return(IndexData.Empty);
}
BinaryWriter writer = new BinaryWriter(stream);
IndexData indexdata = IndexData.Empty;
indexdata.Lookup = (uint)writer.BaseStream.Position;
indexdata.Extra = 0;
short width = (short)bitmap.Width;
short height = (short)bitmap.Height;
writer.Write((int)0); // header, unknown
writer.Write(width);
writer.Write(height);
long lookupTable = writer.BaseStream.Position;
int dataStart = (int)writer.BaseStream.Position + height * 2;
// Skip lookup table
if (writer.BaseStream.Length < dataStart)
{
writer.BaseStream.SetLength(dataStart);
}
writer.Seek(dataStart, SeekOrigin.Begin);
short y = 0;
while (y < height)
{
// Write record to lookup table
int pos = (int)writer.BaseStream.Position;
writer.Seek((int)lookupTable, SeekOrigin.Begin);
writer.Write((short)((pos - dataStart) / 2));
lookupTable = writer.BaseStream.Position;
writer.Seek(pos, SeekOrigin.Begin);
// Write line
int x = 0;
while (x < width)
{
short xOffset = 0;
short xRun = 0;
// Skip invisible pixels
while (x < width && bitmap.GetPixel(x, y).A == 0)
{
xOffset++;
x++;
}
if (x == width)
{
break;
}
// Read list
int xPos = x;
while (xPos < width && bitmap.GetPixel(xPos, y).A != 0)
{
xPos++;
xRun++;
}
// Write chunk header
writer.Write(xOffset);
writer.Write(xRun);
// Write pixel list
while (x < width && bitmap.GetPixel(x, y).A != 0)
{
writer.Write(UOColorConverter.FromColor(bitmap.GetPixel(x, y)));
x++;
}
}
// End line
writer.Write((short)0);
writer.Write((short)0);
y++;
}
indexdata.Lenght = (uint)writer.BaseStream.Position - indexdata.Lookup;
return(indexdata);
}
/// <summary>
/// Saves object to specified files.
/// </summary>
/// <param name="idxFile">Index file path.</param>
/// <param name="mulFile">Data file path.</param>
/// <remarks>
/// If mulFile differs from currently loaded file, new file is optimized (data file is sorted and without empty entries).
/// Otherwise file must be loaded with write access.
/// </remarks>
public void Save(string idxFile, string mulFile)
{
lock (syncRoot) {
if (Disposed)
{
throw new ObjectDisposedException("Art");
}
Stream indexStream = null;
try {
indexStream = File.Open(idxFile, FileMode.Create, FileAccess.Write, FileShare.None);
if (String.Compare(mulFile, this.mulFile, StringComparison.InvariantCultureIgnoreCase) == 0)
{
// Target data file is same as source file. File will not be optimized.
Stream dataStream = this.dataStream;
if (!dataStream.CanWrite)
{
throw new InvalidOperationException("Trying to save data to source file, that is not opened for Write access.");
}
foreach (KeyValuePair <int, Bitmap> pair in changeList)
{
if (pair.Key < 16384)
{
// Tile, can be saved to same location in data stream
IndexData indexData = indexFile.Get(pair.Key, true);
if (indexData.IsValid)
{
dataStream.Seek(indexData.Lookup, SeekOrigin.Begin);
IndexData writtenData = Art.WriteTile(dataStream, pair.Value);
Debug.Assert(writtenData.Lookup == indexData.Lookup, "writtenData.Lookup == indexData.Lookup");
Debug.Assert(writtenData.Lenght == indexData.Lenght, "writtenData.Lenght == indexData.Lenght");
}
else
{
dataStream.Seek(0, SeekOrigin.End);
IndexData writtenData = Art.WriteTile(dataStream, pair.Value);
indexFile.Set(pair.Key, writtenData, true);
}
}
else
{
// Run, will be saved to end of data stream
dataStream.Seek(0, SeekOrigin.End);
IndexData writtenData = Art.WriteRun(dataStream, pair.Value);
indexFile.Set(pair.Key, writtenData, true);
}
}
dataStream.Flush();
Trace.WriteLine(String.Format("Art: File \"{0}\" succesfully updated.", mulFile), "MulLib");
indexFile.Save(indexStream);
Trace.WriteLine(String.Format("IndexFile: File \"{0}\" succesfully saved.", idxFile), "MulLib");
changeList.Clear();
}
else
{
// Target data file differs from source file. Optimization will be performed.
try {
Stream dataStream = File.Open(mulFile, FileMode.Create, FileAccess.Write, FileShare.None);
IndexFile newIndexFile = new IndexFile();
for (int i = 0; i < indexFile.Count; i++)
{
if (changeList.ContainsKey(i))
{
IndexData writtenData;
if (i < 16384)
{
writtenData = Art.WriteTile(dataStream, changeList[i]);
}
else
{
writtenData = Art.WriteRun(dataStream, changeList[i]);
}
newIndexFile.Set(i, writtenData, true);
}
else
{
IndexData indexData = indexFile.Get(i, false);
if (indexData.IsValid)
{
byte[] data = new byte[indexData.Lenght];
this.dataStream.Seek(indexData.Lookup, SeekOrigin.Begin);
this.dataStream.Read(data, 0, (int)indexData.Lenght);
IndexData writtenData = new IndexData();
writtenData.Lookup = (uint)dataStream.Position;
writtenData.Lenght = indexData.Lenght;
writtenData.Extra = indexData.Extra;
dataStream.Write(data, 0, (int)writtenData.Lenght);
}
}
}
dataStream.Flush();
Trace.WriteLine(String.Format("Art: File \"{0}\" succesfully saved.", mulFile), "MulLib");
newIndexFile.Save(indexStream);
Trace.WriteLine(String.Format("IndexFile: File \"{0}\" succesfully saved.", idxFile), "MulLib");
}
finally {
if (dataStream != null)
{
dataStream.Close();
}
}
}
}
catch (Exception e) {
throw new Exception("Error saving Art.", e);
}
finally {
if (indexStream != null)
{
indexStream.Close();
}
}
}
}
protected override Bitmap ReadFromStream(IndexData indexData)
{
art.dataStream.Seek(indexData.Lookup, SeekOrigin.Begin);
return(Art.ReadRun(art.dataStream));
}
protected abstract Bitmap ReadFromStream(IndexData indexData);
