public void ReadChunk()
{
#if FR2_DEBUG
if (currentChunk == 0)
{
Debug.LogWarning("Read <" + chunkList[0].file + "> " + currentChunk + ":" + nChunk);
}
#endif
if (currentChunk == nChunk)
{
Debug.LogWarning("Something wrong, should dead <" + isDead + ">");
return;
}
int from = currentChunk * chunkSize;
size = (int)Mathf.Min(fileSize - from, chunkSize);
for (var i = 0; i < chunkList.Count; i++)
{
FR2_Chunk chunk = chunkList[i];
chunk.size = size;
chunk.stream.Read(chunk.buffer, 0, size);
}
currentChunk++;
}
public void AddToDict(byte b, FR2_Chunk chunk, Dictionary <byte, List <FR2_Chunk> > dict)
{
List <FR2_Chunk> list;
if (!dict.TryGetValue(b, out list))
{
list = new List <FR2_Chunk>();
dict.Add(b, list);
}
list.Add(chunk);
}
public void CompareChunk(List <FR2_Head> heads)
{
int idx = chunkList.Count;
byte[] buffer = chunkList[idx - 1].buffer;
while (--idx >= 0)
{
FR2_Chunk chunk = chunkList[idx];
int diff = FirstDifferentIndex(buffer, chunk.buffer, size);
if (diff == -1)
{
continue;
}
#if FR2_DEBUG
Debug.Log(string.Format(
" --> Different found at : idx={0} diff={1} size={2} chunk={3}",
idx, diff, size, currentChunk));
#endif
byte v = buffer[diff];
var d = new Dictionary <byte, List <FR2_Chunk> >(); //new heads
chunkList.RemoveAt(idx);
FR2_FileCompare.HashChunksNotComplete.Add(chunk);
AddToDict(chunk.buffer[diff], chunk, d);
for (int j = idx - 1; j >= 0; j--)
{
FR2_Chunk tChunk = chunkList[j];
byte tValue = tChunk.buffer[diff];
if (tValue == v)
{
continue;
}
idx--;
FR2_FileCompare.HashChunksNotComplete.Add(tChunk);
chunkList.RemoveAt(j);
AddToDict(tChunk.buffer[diff], tChunk, d);
}
foreach (KeyValuePair <byte, List <FR2_Chunk> > item in d)
{
List <FR2_Chunk> list = item.Value;
if (list.Count == 1)
{
#if FR2_DEBUG
Debug.Log(" --> Dead head found for : " + list[0].file);
#endif
}
else if (list.Count > 1) // 1 : dead head
{
#if FR2_DEBUG
Debug.Log(" --> NEW HEAD : " + list[0].file);
#endif
heads.Add(new FR2_Head
{
nChunk = nChunk,
fileSize = fileSize,
currentChunk = currentChunk - 1,
chunkList = list
});
}
}
}
}
