public static async Task <ChunkBuilder> Create(BA2DX10EntryState state, ChunkState chunk, Stream src, DiskSlabAllocator slab)
{
var builder = new ChunkBuilder {
_chunk = chunk
};
if (!chunk.Compressed)
{
builder._dataSlab = slab.Allocate(chunk.FullSz);
await src.CopyToWithStatusAsync((int)chunk.FullSz, builder._dataSlab, $"Writing {state.Path} {chunk.StartMip}:{chunk.EndMip}");
}
else
{
var deflater = new Deflater(Deflater.BEST_COMPRESSION);
await using var ms = new MemoryStream();
await using (var ds = new DeflaterOutputStream(ms, deflater))
{
ds.IsStreamOwner = false;
await src.CopyToWithStatusAsync((int)chunk.FullSz, ds, $"Compressing {state.Path} {chunk.StartMip}:{chunk.EndMip}");
}
builder._dataSlab = slab.Allocate(ms.Length);
ms.Position = 0;
await ms.CopyToWithStatusAsync(ms.Length, builder._dataSlab, $"Writing {state.Path} {chunk.StartMip}:{chunk.EndMip}");
builder._packSize = (uint)ms.Length;
}
builder._dataSlab.Position = 0;
return(builder);
}
public static ChunkBuilder Create(BA2DX10EntryState state, ChunkState chunk, Stream src)
{
var builder = new ChunkBuilder {
_chunk = chunk
};
using (var ms = new MemoryStream())
{
src.CopyToLimit(ms, (int)chunk.FullSz);
builder._data = ms.ToArray();
}
if (!chunk.Compressed)
{
return(builder);
}
using (var ms = new MemoryStream())
{
using (var ds = new DeflaterOutputStream(ms))
{
ds.Write(builder._data, 0, builder._data.Length);
}
builder._data = ms.ToArray();
}
builder._packSize = (uint)builder._data.Length;
return(builder);
}
public static ChunkBuilder Create(BA2DX10EntryState state, ChunkState chunk, Stream src, DiskSlabAllocator slab)
{
var builder = new ChunkBuilder {
_chunk = chunk
};
if (!chunk.Compressed)
{
builder._dataSlab = slab.Allocate(chunk.FullSz);
src.CopyToLimit(builder._dataSlab, (int)chunk.FullSz);
}
else
{
var deflater = new Deflater(Deflater.BEST_COMPRESSION);
using var ms = new MemoryStream();
using (var ds = new DeflaterOutputStream(ms, deflater))
{
ds.IsStreamOwner = false;
src.CopyToLimit(ds, (int)chunk.FullSz);
}
builder._dataSlab = slab.Allocate(ms.Length);
ms.Position = 0;
ms.CopyTo(builder._dataSlab);
builder._packSize = (uint)ms.Length;
}
builder._dataSlab.Position = 0;
return(builder);
}
public ChunkBuilder(BA2DX10EntryState state, ChunkState ch, Stream src)
{
_chunk = ch;
using (var ms = new MemoryStream())
{
src.CopyToLimit(ms, (int)_chunk.FullSz);
_data = ms.ToArray();
}
if (_chunk.Compressed)
{
using (var ms = new MemoryStream())
{
using (var ds = new DeflaterOutputStream(ms))
{
ds.Write(_data, 0, _data.Length);
}
_data = ms.ToArray();
}
_packSize = (uint)_data.Length;
}
}
