flewkey/cuberite-2a
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Merge remote-tracking branch 'planetx/master'

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This commit is contained in:
Mattes D 2014-12-11 11:17:54 +01:00
commit 1b1f971752
2 changed files with 33 additions and 5 deletions
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33
src/WorldStorage/WSSAnvil.cpp Normal file → Executable file
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@ -2923,6 +2923,8 @@ cWSSAnvil::cMCAFile::cMCAFile(const AString & a_FileName, int a_RegionX, int a_R
bool cWSSAnvil::cMCAFile::OpenFile(bool a_IsForReading)
{
bool writeOutNeeded = false;
if (m_File.IsOpen())
{
// Already open
@ -2948,11 +2950,25 @@ bool cWSSAnvil::cMCAFile::OpenFile(bool a_IsForReading)
if (m_File.Read(m_Header, sizeof(m_Header)) != sizeof(m_Header))
{
// Cannot read the header - perhaps the file has just been created?
// Try writing a nullptr header (both chunk offsets and timestamps):
// Try writing a nullptr header for chunk offsets:
memset(m_Header, 0, sizeof(m_Header));
writeOutNeeded = true;
}
// Load the TimeStamps:
if (m_File.Read(m_TimeStamps, sizeof(m_TimeStamps)) != sizeof(m_TimeStamps))
{
// Cannot read the time stamps - perhaps the file has just been created?
// Try writing a nullptr header for timestamps:
memset(m_TimeStamps, 0, sizeof(m_TimeStamps));
writeOutNeeded = true;
}
if (writeOutNeeded)
{
if (
(m_File.Write(m_Header, sizeof(m_Header)) != sizeof(m_Header)) || // Real header - chunk offsets
(m_File.Write(m_Header, sizeof(m_Header)) != sizeof(m_Header)) // Bogus data for the chunk timestamps
(m_File.Write(m_Header, sizeof(m_Header)) != sizeof(m_Header)) || // Write chunk offsets
(m_File.Write(m_TimeStamps, sizeof(m_TimeStamps)) != sizeof(m_TimeStamps)) // Write chunk timestamps
)
{
LOGWARNING("Cannot process MCA header in file \"%s\", chunks in that file will be lost", m_FileName.c_str());
@ -3083,7 +3099,13 @@ bool cWSSAnvil::cMCAFile::SetChunkData(const cChunkCoords & a_Chunk, const AStri
);
return false;
}
// Store the header info in the table
m_Header[LocalX + 32 * LocalZ] = htonl((ChunkSector << 8) | ChunkSize);
// Set the modification time
m_TimeStamps[LocalX + 32 * LocalZ] = htonl(time(nullptr));
if (m_File.Seek(0) < 0)
{
LOGWARNING("Cannot save chunk [%d, %d], seeking in file \"%s\" failed", a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ, GetFileName().c_str());
@ -3094,6 +3116,11 @@ bool cWSSAnvil::cMCAFile::SetChunkData(const cChunkCoords & a_Chunk, const AStri
LOGWARNING("Cannot save chunk [%d, %d], writing header to file \"%s\" failed", a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ, GetFileName().c_str());
return false;
}
if (m_File.Write(m_TimeStamps, sizeof(m_TimeStamps)) != sizeof(m_TimeStamps))
{
LOGWARNING("Cannot save chunk [%d, %d], writing timestamps to file \"%s\" failed", a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ, GetFileName().c_str());
return false;
}
return true;
}

3
src/WorldStorage/WSSAnvil.h Normal file → Executable file
View File

@ -80,7 +80,8 @@ protected:
// First 1024 entries are chunk locations - the 3 + 1 byte sector-offset and sector-count
unsigned m_Header[MCA_MAX_CHUNKS];
// Chunk timestamps, following the chunk headers, are unused by MCS
// Chunk timestamps, following the chunk headers
unsigned m_TimeStamps[MCA_MAX_CHUNKS];
/// Finds a free location large enough to hold a_Data. Gets a hint of the chunk coords, places the data there if it fits. Returns the sector number.
unsigned FindFreeLocation(int a_LocalX, int a_LocalZ, const AString & a_Data);