public List <IResource> Read(uint resourcesCount)
{
var offsetsTableLength = (int)(resourcesCount * OffsetTableItemLength);
Logger.Trace("Reading resources offsets table with {0} elements ({1} bytes)",
resourcesCount, offsetsTableLength
);
var offsets = new int[resourcesCount];
for (var i = 0; i < resourcesCount; i++)
{
offsets[i] = _binaryReader.ReadInt32();
}
var resourcesOffset = (int)_stream.Position;
var fileSize = (int)_stream.Length;
Logger.Debug("Reading {0} resources...", resourcesCount);
var resources = new List <IResource>((int)resourcesCount);
for (var i = 0; i < resourcesCount; i++)
{
var offset = offsets[i] + resourcesOffset;
var nextOffset = i + 1 < resourcesCount ? offsets[i + 1] + resourcesOffset : fileSize;
var length = nextOffset - offset;
Logger.Trace("Resource {0} offset: {1}, length: {2}...", i, offset, length);
if (_stream.Position != offset)
{
var bytesGap = offset - _stream.Position;
Logger.Warn("Found {0} bytes gap before resource number {1}", bytesGap, i);
_stream.Seek(offset, SeekOrigin.Begin);
}
Logger.Debug("Reading resource {0}...", i);
try
{
var bitmap = new Image.Reader(_stream).Read();
var image = new Models.Image(bitmap);
resources.Add(image);
}
catch (InvalidResourceException)
{
Logger.Warn("Resource is not an image");
_stream.Seek(offset, SeekOrigin.Begin);
var data = new byte[length];
_stream.Read(data, 0, length);
var blob = new Blob(data);
resources.Add(blob);
}
}
return(resources);
}
public List <IResource> Read(uint resourcesCount)
{
var offsetsTableLength = (int)(resourcesCount * OffsetTableItemLength);
Logger.Trace("读取资源偏移表 {0} 元素 ({1} 字节)",
resourcesCount, offsetsTableLength
);
var offsets = new int[resourcesCount];
for (var i = 0; i < resourcesCount; i++)
{
offsets[i] = _binaryReader.ReadInt32();
}
var resourcesOffset = (int)_stream.Position;
var fileSize = (int)_stream.Length;
Logger.Debug("读取 {0} 资源...", resourcesCount);
var resources = new List <IResource>((int)resourcesCount);
for (var i = 0; i < resourcesCount; i++)
{
var offset = offsets[i] + resourcesOffset;
var nextOffset = i + 1 < resourcesCount ? offsets[i + 1] + resourcesOffset : fileSize;
var length = nextOffset - offset;
Logger.Trace("资源 {0} 偏移: {1}, 长度: {2}...", i, offset, length);
if (_stream.Position != offset)
{
var bytesGap = offset - _stream.Position;
Logger.Warn("在资源 {0} 发现 {1} 字节间隙", i, bytesGap);
_stream.Seek(offset, SeekOrigin.Begin);
}
Logger.Debug("读取资源 {0}...", i);
try
{
var bitmap = new Image.Reader(_stream).Read();
var image = new Models.Image(bitmap);
resources.Add(image);
}
catch (InvalidResourceException)
{
Logger.Warn("资源不是图像🙃！");
_stream.Seek(offset, SeekOrigin.Begin);
var data = new byte[length];
_stream.Read(data, 0, length);
var blob = new Blob(data);
resources.Add(blob);
}
}
return(resources);
}