/// <summary>
/// Loads a data stream as a <see cref="Package" />.
/// </summary>
/// <param name="br">The <see cref="BinaryReader" /> for the data stream.</param>
/// <returns>A new <see cref="Package" /> instance.</returns>
public Package Load(BinaryReader br)
{
var package = new Package();
var chunkReader = new FrontendChunkReader(package, br);
foreach (var chunk in chunkReader.ReadMainChunks())
{
switch (chunk)
{
case PackageHeaderChunk packageHeaderChunk:
ProcessPackageHeaderChunk(package, packageHeaderChunk);
break;
case ObjectContainerChunk objectContainerChunk:
ProcessObjectContainerChunk(package, objectContainerChunk);
break;
case MessageDefinitionsChunk messageNamesChunk:
package.MessageDefinitions.AddRange(messageNamesChunk.Definitions);
break;
}
}
return(package);
}
public override void Read(Package package, FrontendChunkBlock chunkBlock,
FrontendChunkReader chunkReader, BinaryReader reader)
{
ResourceNamesChunk resourceNamesChunk = null;
foreach (var chunk in chunkReader.ReadMainChunks(chunkBlock.Size))
{
switch (chunk)
{
case ResourceNamesChunk rnc:
resourceNamesChunk = rnc;
break;
case ResourceRequestsChunk _ when resourceNamesChunk == null:
throw new ChunkReadingException("RsRq came before RsNm?!");
case ResourceRequestsChunk rrc:
{
foreach (var resourceRequest in rrc.ResourceRequests)
{
resourceRequest.Name = resourceNamesChunk.Names[resourceRequest.NameOffset];
}
package.ResourceRequests.AddRange(rrc.ResourceRequests);
break;
}
}
}
}
public override void Read(Package package, FrontendChunkBlock chunkBlock,
FrontendChunkReader chunkReader, BinaryReader reader)
{
if ((chunkBlock.Size - 4) % 0x18 != 0)
{
throw new ChunkReadingException("Malformed RsRq chunk");
}
var numRequests = reader.ReadInt32();
ResourceRequests = new List <ResourceRequest>(numRequests);
for (var i = 0; i < numRequests; i++)
{
var resourceRequest = new ResourceRequest();
resourceRequest.ID = reader.ReadUInt32();
resourceRequest.NameOffset = reader.ReadUInt32();
resourceRequest.Type = (ResourceType)reader.ReadUInt32();
resourceRequest.Flags = reader.ReadUInt32();
resourceRequest.Handle = reader.ReadUInt32();
resourceRequest.UserParam = reader.ReadUInt32();
ResourceRequests.Add(resourceRequest);
}
}
public override void Read(Package package, FrontendChunkBlock chunkBlock, FrontendChunkReader chunkReader, BinaryReader reader)
{
chunkReader.ReadObjects(chunkBlock.Size);
//foreach (var frontendObject in chunkReader.ReadObjects(chunkBlock.Size))
//{
// Objects.Add(frontendObject);
//}
}
public override void Read(Package package, FrontendChunkBlock chunkBlock,
FrontendChunkReader chunkReader, BinaryReader reader)
{
TagStream tagStream = new MessageTagStream(reader, package, chunkBlock,
chunkBlock.Size);
while (tagStream.HasTag())
{
var tag = tagStream.NextTag(null);
package = ProcessTag(package, tag);
}
}
public override void Read(Package package, FrontendChunkBlock chunkBlock,
FrontendChunkReader chunkReader, BinaryReader reader)
{
Names = new Dictionary <long, string>();
while (reader.BaseStream.Position < chunkBlock.EndOffset)
{
var pos = reader.BaseStream.Position;
var str = NullTerminatedString.Read(reader);
if (!string.IsNullOrEmpty(str))
{
Names[pos - chunkBlock.DataOffset] = str;
}
}
}
public override void Read(Package package, FrontendChunkBlock chunkBlock,
FrontendChunkReader chunkReader, BinaryReader reader)
{
if (chunkBlock.Size % 8 != 0)
{
throw new ChunkReadingException("Invalid TypeList chunk");
}
TypeSizeList = new List <TypeSizeEntry>(chunkBlock.Size >> 3);
for (int i = 0; i < chunkBlock.Size >> 3; i++)
{
TypeSizeList.Add(new TypeSizeEntry
{
ID = reader.ReadUInt32(),
Size = reader.ReadUInt32()
});
}
}
public override void Read(FrontendPackage package, FrontendChunkBlock chunkBlock,
FrontendChunkReader chunkReader, BinaryReader reader)
{
if (reader.ReadUInt32() != 0x20000)
{
throw new InvalidDataException("Invalid header constant");
}
if (reader.ReadUInt32() != 0)
{
throw new InvalidDataException("Expected null after constant");
}
NumResourceNames = reader.ReadInt32();
reader.ReadUInt32();
//if (reader.ReadUInt32() != 3)
//{
// throw new InvalidDataException("Invalid header version");
//}
int nameLength = reader.ReadInt32();
if (nameLength < 1)
{
throw new InvalidDataException("Invalid name length");
}
int filenameLength = reader.ReadInt32();
if (filenameLength < 1)
{
throw new InvalidDataException("Invalid filename length");
}
Name = new string(reader.ReadChars(nameLength)).Trim('\0');
Filename = new string(reader.ReadChars(filenameLength)).Trim('\0');
reader.AlignReader(4);
}
public override void Read(FrontendPackage package, FrontendChunkBlock chunkBlock, FrontendChunkReader chunkReader, BinaryReader reader)
{
FrontendTagStream tagStream = new FrontendMessagesTagStream(reader, package, chunkBlock,
chunkBlock.Size);
while (tagStream.HasTag())
{
FrontendTag tag = tagStream.NextTag(null);
//Debug.WriteLine("PKG RESPONSES TAG {0}", tag);
package = ProcessTag(package, tag);
}
}
public override void Read(Package package, FrontendChunkBlock chunkBlock,
FrontendChunkReader chunkReader, BinaryReader reader)
{
reader.ReadBytes(chunkBlock.Size);
}
public ObjectReaderState(FrontendChunkBlock currentChunkBlock, FrontendChunkReader chunkReader)
{
CurrentChunkBlock = currentChunkBlock;
ChunkReader = chunkReader;
}
public override void Read(FrontendPackage package, FrontendChunkBlock chunkBlock,
FrontendChunkReader chunkReader, BinaryReader reader)
{
NumEntries = reader.ReadUInt32();
}
