public async Task <int> BuildCompressedChunkHeader(ByteArrayReader reader, uint flags)
{
Signature = Signatures.Signature;
BlockSize = 0x00020000;
CompressedSize = 0;
UncompressedSize = reader.Remaining;
int blockCount = (reader.Remaining + BlockSize - 1) / BlockSize;
int builderSize = 0;
Blocks.Clear();
for (int i = 0; i < blockCount; ++i)
{
DomainCompressedChunkBlock block = new DomainCompressedChunkBlock();
ByteArrayReader uncompressed = await reader.ReadByteArray(Math.Min(BlockSize, reader.Remaining));
builderSize += await block.BuildCompressedChunkBlockData(uncompressed);
CompressedSize += block.CompressedSize;
Blocks.Add(block);
}
builderSize += sizeof(uint)
+ sizeof(int) * 3;
return(builderSize);
}
public async Task<int> BuildCompressedChunkHeader(ByteArrayReader reader, uint flags) {
Signature = Signatures.Signature;
BlockSize = 0x00020000;
CompressedSize = 0;
UncompressedSize = reader.Remaining;
int blockCount = (reader.Remaining + BlockSize - 1) / BlockSize;
int builderSize = 0;
Blocks.Clear();
for(int i = 0; i < blockCount; ++i) {
DomainCompressedChunkBlock block = new DomainCompressedChunkBlock();
ByteArrayReader uncompressed = await reader.ReadByteArray(Math.Min(BlockSize, reader.Remaining));
builderSize += await block.BuildCompressedChunkBlockData(uncompressed);
CompressedSize += block.CompressedSize;
Blocks.Add(block);
}
builderSize += sizeof(uint)
+ sizeof(int) * 3;
return builderSize;
}
public async Task ReadCompressedChunkHeader(ByteArrayReader reader, uint flags, int uncompressedSize, int compressedSize) {
if (flags > 0) {
Signature = reader.ReadUInt32();
if (Signature != Signatures.Signature) throw new Exception("Compressed Header Signature not found.");
BlockSize = reader.ReadInt32();
CompressedSize = reader.ReadInt32();
UncompressedSize = reader.ReadInt32();
Blocks.Clear();
int blockCount = (UncompressedSize + BlockSize - 1) / BlockSize;
for(int i = 0; i < blockCount; ++i) {
DomainCompressedChunkBlock block = new DomainCompressedChunkBlock();
block.ReadCompressedChunkBlock(reader);
Blocks.Add(block);
}
}
else {
Blocks = new List<DomainCompressedChunkBlock> {
new DomainCompressedChunkBlock {
UncompressedSize = uncompressedSize,
CompressedSize = compressedSize
}
};
}
foreach(DomainCompressedChunkBlock block in Blocks) await block.ReadCompressedChunkBlockData(reader);
}
public async Task ReadCompressedChunkHeader(ByteArrayReader reader, uint flags, int uncompressedSize, int compressedSize)
{
if (flags > 0)
{
Signature = reader.ReadUInt32();
if (Signature != Signatures.Signature)
{
throw new Exception("Compressed Header Signature not found.");
}
BlockSize = reader.ReadInt32();
CompressedSize = reader.ReadInt32();
UncompressedSize = reader.ReadInt32();
Blocks.Clear();
int blockCount = (UncompressedSize + BlockSize - 1) / BlockSize;
for (int i = 0; i < blockCount; ++i)
{
DomainCompressedChunkBlock block = new DomainCompressedChunkBlock();
block.ReadCompressedChunkBlock(reader);
Blocks.Add(block);
}
}
else
{
Blocks = new List <DomainCompressedChunkBlock> {
new DomainCompressedChunkBlock {
UncompressedSize = uncompressedSize,
CompressedSize = compressedSize
}
};
}
foreach (DomainCompressedChunkBlock block in Blocks)
{
await block.ReadCompressedChunkBlockData(reader);
}
}
