// READERS / WRITERS
/// <summary>
/// Reads a data block from a file binary stream.
/// </summary>
/// <param name="binaryReader">Binary reader to read the block from. Must point to the beginning of the block.</param>
/// <param name="index">Index within a sequence (starts at 0).</param>
public void Read(SRBinaryReader binaryReader, int index)
{
try
{
binaryReader.Align(Alignment);
SRTrace.WriteLine("");
SRTrace.WriteLine(" OBJECT #{0}: [file offset 0x{1:X8}]", index + 1, binaryReader.BaseStream.Position);
handleOffset = binaryReader.ReadUInt64();
SRTrace.WriteLine(" Handle Offset: 0x{0:X16}", handleOffset);
parentHandleOffset = binaryReader.ReadUInt64();
SRTrace.WriteLine(" Parent Handle Offset: 0x{0:X16}", parentHandleOffset);
objectTypeHash = binaryReader.ReadInt32();
SRTrace.WriteLine(" Object Type Hash: 0x{0:X8}", objectTypeHash);
var propertyCount = binaryReader.ReadUInt16();
SRTrace.WriteLine(" Number of Properties: {0}", propertyCount);
var bufferSize = binaryReader.ReadUInt16();
SRTrace.WriteLine(" Buffer Size: {0}", bufferSize);
var nameOffset = binaryReader.ReadUInt16();
SRTrace.WriteLine(" Name Offset: {0}", nameOffset);
padding = binaryReader.ReadUInt16();
SRTrace.WriteLine(" Padding: {0}", padding);
if (propertyCount == 0)
throw new SRZoneFileException("Object has no properties.");
propertyList = new List<SRZoneProperty>(propertyCount);
var namePosition = binaryReader.BaseStream.Position + nameOffset - SRZoneProperty.DataOffset;
name = null;
for (int i = 0; i < propertyCount; i++)
{
long position = AlignUp(binaryReader.BaseStream.Position, SRZoneProperty.Alignment);
SRZoneProperty property = SRZoneProperty.Create(binaryReader, i);
propertyList.Add(property);
if (position == namePosition)
{
if (property is SRZoneStringProperty)
name = property.ToString();
else if (property.Type == SRZoneProperty.StringType)
name = (i + 1).ToString();
else
throw new SRZoneFileException("Name Offset does not point to a string property.");
}
}
if (nameOffset != 0 && name == null)
throw new SRZoneFileException("Name Offset does not point to a valid property.");
}
catch (Exception e)
{
// Add context information for the error message
if (index >= 0)
e.Data[BlockName] = index + 1;
throw;
}
}
// READERS / WRITERS
/// <summary>
/// Reads a data block from a file binary stream.
/// </summary>
/// <param name="binaryReader">Binary reader to read the block from. Must point to the beginning of the block.</param>
/// <param name="size">Maximum number of bytes to read.</param>
public void Read(SRBinaryReader binaryReader, int size)
{
SRTrace.WriteLine("");
SRTrace.WriteLine(" OBJECT SECTION HEADER:");
signature = binaryReader.ReadUInt32();
SRTrace.WriteLine(" Header Signature: 0x{0:X8}", signature);
if (signature != 0x574F4246)
throw new SRZoneFileException("Invalid section ID");
version = binaryReader.ReadUInt32();
SRTrace.WriteLine(" Version: {0}", version);
if (version != 5)
throw new SRZoneFileException("Invalid version number");
var numObjects = binaryReader.ReadUInt32();
SRTrace.WriteLine(" Number of Objects: {0}", numObjects);
var numHandles = binaryReader.ReadUInt32();
SRTrace.WriteLine(" Number of Handles: {0}", numHandles);
flags = binaryReader.ReadUInt32();
SRTrace.WriteLine(" Flags: 0x{0:X8}", flags);
handleListPointer = binaryReader.ReadUInt32();
SRTrace.WriteLine(" Handle List Pointer: 0x{0:X8} (run-time)", handleListPointer);
objectDataPointer = binaryReader.ReadUInt32();
SRTrace.WriteLine(" Object Data Pointer: 0x{0:X8} (run-time)", objectDataPointer);
objectDataSize = binaryReader.ReadUInt32();
SRTrace.WriteLine(" Object Data Size: {0,-10} (run-time)", objectDataSize);
SRTrace.WriteLine("");
SRTrace.WriteLine(" HANDLE LIST:");
handleList = new List<UInt64>((int)numHandles);
for (int i = 0; i < numHandles; i++)
{
handleList.Add(binaryReader.ReadUInt64());
SRTrace.WriteLine(" {0,3}. 0x{1:X16}", i + 1, handleList[i]);
}
objectList = new List<SRZoneObject>((int)numObjects);
for (int i = 0; i < numObjects; i++)
objectList.Add(new SRZoneObject(binaryReader, i));
}