1 files changed, 0 insertions, 1009 deletions

diff --git a/source/WorldStorage/WSSCompact.cpp b/source/WorldStorage/WSSCompact.cpp
deleted file mode 100644
index 694f3ed1d..000000000
--- a/source/WorldStorage/WSSCompact.cpp
+++ /dev/null
@@ -1,1009 +0,0 @@
-
-// WSSCompact.cpp
-
-// Interfaces to the cWSSCompact class representing the "compact" storage schema (PAK-files)
-
-#include "Globals.h"
-#include "WSSCompact.h"
-#include "../World.h"
-#include "zlib.h"
-#include <json/json.h>
-#include "../StringCompression.h"
-#include "../BlockEntities/ChestEntity.h"
-#include "../BlockEntities/DispenserEntity.h"
-#include "../BlockEntities/FurnaceEntity.h"
-#include "../BlockEntities/JukeboxEntity.h"
-#include "../BlockEntities/NoteEntity.h"
-#include "../BlockEntities/SignEntity.h"
-
-
-
-
-
-#pragma pack(push, 1)
-/// The chunk header, as stored in the file:
-struct cWSSCompact::sChunkHeader
-{
-	int m_ChunkX;
-	int m_ChunkZ;
-	int m_CompressedSize;
-	int m_UncompressedSize;
-} ;
-#pragma pack(pop)
-
-
-
-
-
-/// The maximum number of PAK files that are cached
-const int MAX_PAK_FILES = 16;
-
-/// The maximum number of unsaved chunks before the cPAKFile saves them to disk
-const int MAX_DIRTY_CHUNKS = 16;
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cJsonChunkSerializer:
-
-cJsonChunkSerializer::cJsonChunkSerializer(void) :
-	m_HasJsonData(false)
-{
-}
-
-
-
-
-
-void cJsonChunkSerializer::Entity(cEntity * a_Entity)
-{
-	// TODO: a_Entity->SaveToJson(m_Root);
-}
-
-
-
-
-
-void cJsonChunkSerializer::BlockEntity(cBlockEntity * a_BlockEntity)
-{
-	const char * SaveInto = NULL;
-	switch (a_BlockEntity->GetBlockType())
-	{
-		case E_BLOCK_CHEST:      SaveInto = "Chests";      break;
-		case E_BLOCK_DISPENSER:  SaveInto = "Dispensers";  break;
-		case E_BLOCK_DROPPER:    SaveInto = "Droppers";    break;
-		case E_BLOCK_FURNACE:    SaveInto = "Furnaces";    break;
-		case E_BLOCK_SIGN_POST:  SaveInto = "Signs";       break;
-		case E_BLOCK_WALLSIGN:   SaveInto = "Signs";       break;
-		case E_BLOCK_NOTE_BLOCK: SaveInto = "Notes";       break;
-		case E_BLOCK_JUKEBOX:    SaveInto = "Jukeboxes";   break;
-
-		default:
-		{
-			ASSERT(!"Unhandled blocktype in BlockEntities list while saving to JSON");
-			break;
-		}
-	}  // switch (BlockEntity->GetBlockType())
-	if (SaveInto == NULL)
-	{
-		return;
-	}
-	
-	Json::Value val;
-	a_BlockEntity->SaveToJson(val);
-	m_Root[SaveInto].append(val);
-	m_HasJsonData = true;
-}
-
-
-
-
-
-bool cJsonChunkSerializer::LightIsValid(bool a_IsLightValid)
-{
-	if (!a_IsLightValid)
-	{
-		return false;
-	}
-	m_Root["IsLightValid"] = true;
-	m_HasJsonData = true;
-	return true;
-}
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cWSSCompact:
-
-cWSSCompact::~cWSSCompact()
-{
-	for (cPAKFiles::iterator itr = m_PAKFiles.begin(); itr != m_PAKFiles.end(); ++itr)
-	{
-		delete *itr;
-	}
-}
-
-
-
-
-
-bool cWSSCompact::LoadChunk(const cChunkCoords & a_Chunk)
-{
-	AString ChunkData;
-	int UncompressedSize = 0;
-	if (!GetChunkData(a_Chunk, UncompressedSize, ChunkData))
-	{
-		// The reason for failure is already printed in GetChunkData()
-		return false;
-	}
-	
-	return LoadChunkFromData(a_Chunk, UncompressedSize, ChunkData, m_World);
-}
-
-
-
-
-
-bool cWSSCompact::SaveChunk(const cChunkCoords & a_Chunk)
-{
-	cCSLock Lock(m_CS);
-	
-	cPAKFile * f = LoadPAKFile(a_Chunk);
-	if (f == NULL)
-	{
-		// For some reason we couldn't locate the file
-		LOG("Cannot locate a proper PAK file for chunk [%d, %d]", a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ);
-		return false;
-	}
-	return f->SaveChunk(a_Chunk, m_World);
-}
-
-
-
-
-
-cWSSCompact::cPAKFile * cWSSCompact::LoadPAKFile(const cChunkCoords & a_Chunk)
-{
-	// ASSUMES that m_CS has been locked
-	
-	// We need to retain this weird conversion code, because some edge chunks are in the wrong PAK file
-	const int LayerX = FAST_FLOOR_DIV(a_Chunk.m_ChunkX, 32);
-	const int LayerZ = FAST_FLOOR_DIV(a_Chunk.m_ChunkZ, 32);
-	
-	// Is it already cached?
-	for (cPAKFiles::iterator itr = m_PAKFiles.begin(); itr != m_PAKFiles.end(); ++itr)
-	{
-		if (((*itr) != NULL) && ((*itr)->GetLayerX() == LayerX) && ((*itr)->GetLayerZ() == LayerZ))
-		{
-			// Move the file to front and return it:
-			cPAKFile * f = *itr;
-			if (itr != m_PAKFiles.begin())
-			{
-				m_PAKFiles.erase(itr);
-				m_PAKFiles.push_front(f);
-			}
-			return f;
-		}
-	}
-	
-	// Load it anew:
-	AString FileName;
-	Printf(FileName, "%s/X%i_Z%i.pak", m_World->GetName().c_str(), LayerX, LayerZ );
-	cPAKFile * f = new cPAKFile(FileName, LayerX, LayerZ);
-	if (f == NULL)
-	{
-		return NULL;
-	}
-	m_PAKFiles.push_front(f);
-	
-	// If there are too many PAK files cached, delete the last one used:
-	if (m_PAKFiles.size() > MAX_PAK_FILES)
-	{
-		delete m_PAKFiles.back();
-		m_PAKFiles.pop_back();
-	}
-	return f;
-}
-
-
-
-
-
-bool cWSSCompact::GetChunkData(const cChunkCoords & a_Chunk, int & a_UncompressedSize, AString & a_Data)
-{
-	cCSLock Lock(m_CS);
-	cPAKFile * f = LoadPAKFile(a_Chunk);
-	if (f == NULL)
-	{
-		return false;
-	}
-	return f->GetChunkData(a_Chunk, a_UncompressedSize, a_Data);
-}
-
-
-
-
-
-/*
-// TODO: Rewrite saving to use the same principles as loading
-bool cWSSCompact::SetChunkData(const cChunkCoords & a_Chunk, int a_UncompressedSize, const AString & a_Data)
-{
-	cCSLock Lock(m_CS);
-	cPAKFile * f = LoadPAKFile(a_Chunk);
-	if (f == NULL)
-	{
-		return false;
-	}
-	return f->SetChunkData(a_Chunk, a_UncompressedSize, a_Data);
-}
-*/
-
-
-
-
-
-bool cWSSCompact::EraseChunkData(const cChunkCoords & a_Chunk)
-{
-	cCSLock Lock(m_CS);
-	cPAKFile * f = LoadPAKFile(a_Chunk);
-	if (f == NULL)
-	{
-		return false;
-	}
-	return f->EraseChunkData(a_Chunk);
-}
-
-
-
-
-
-void cWSSCompact::LoadEntitiesFromJson(Json::Value & a_Value, cEntityList & a_Entities, cBlockEntityList & a_BlockEntities, cWorld * a_World)
-{
-	// Load chests
-	Json::Value AllChests = a_Value.get("Chests", Json::nullValue);
-	if (!AllChests.empty())
-	{
-		for (Json::Value::iterator itr = AllChests.begin(); itr != AllChests.end(); ++itr )
-		{
-			Json::Value & Chest = *itr;
-			cChestEntity * ChestEntity = new cChestEntity(0,0,0, a_World);
-			if (!ChestEntity->LoadFromJson( Chest ) )
-			{
-				LOGERROR("ERROR READING CHEST FROM JSON!" );
-				delete ChestEntity;
-			}
-			else
-			{
-				a_BlockEntities.push_back( ChestEntity );
-			}
-		}  // for itr - AllChests[]
-	}
-
-	// Load dispensers
-	Json::Value AllDispensers = a_Value.get("Dispensers", Json::nullValue);
-	if( !AllDispensers.empty() )
-	{
-		for( Json::Value::iterator itr = AllDispensers.begin(); itr != AllDispensers.end(); ++itr )
-		{
-			Json::Value & Dispenser = *itr;
-			cDispenserEntity * DispenserEntity = new cDispenserEntity(0,0,0, a_World);
-			if( !DispenserEntity->LoadFromJson( Dispenser ) )
-			{
-				LOGERROR("ERROR READING DISPENSER FROM JSON!" );
-				delete DispenserEntity;
-			}
-			else
-			{
-				a_BlockEntities.push_back( DispenserEntity );
-			}
-		}  // for itr - AllDispensers[]
-	}
-
-	// Load furnaces
-	Json::Value AllFurnaces = a_Value.get("Furnaces", Json::nullValue);
-	if( !AllFurnaces.empty() )
-	{
-		for( Json::Value::iterator itr = AllFurnaces.begin(); itr != AllFurnaces.end(); ++itr )
-		{
-			Json::Value & Furnace = *itr;
-			// TODO: The block type and meta aren't correct, there's no way to get them here
-			cFurnaceEntity * FurnaceEntity = new cFurnaceEntity(0, 0, 0, E_BLOCK_FURNACE, 0, a_World);
-			if (!FurnaceEntity->LoadFromJson(Furnace))
-			{
-				LOGERROR("ERROR READING FURNACE FROM JSON!" );
-				delete FurnaceEntity;
-			}
-			else
-			{
-				a_BlockEntities.push_back(FurnaceEntity);
-			}
-		}  // for itr - AllFurnaces[]
-	}
-
-	// Load signs
-	Json::Value AllSigns = a_Value.get("Signs", Json::nullValue);
-	if( !AllSigns.empty() )
-	{
-		for( Json::Value::iterator itr = AllSigns.begin(); itr != AllSigns.end(); ++itr )
-		{
-			Json::Value & Sign = *itr;
-			cSignEntity * SignEntity = new cSignEntity( E_BLOCK_SIGN_POST, 0,0,0, a_World);
-			if ( !SignEntity->LoadFromJson( Sign ) )
-			{
-				LOGERROR("ERROR READING SIGN FROM JSON!" );
-				delete SignEntity;
-			}
-			else
-			{
-				a_BlockEntities.push_back( SignEntity );
-			}
-		}  // for itr - AllSigns[]
-	}
-
-	// Load note blocks
-	Json::Value AllNotes = a_Value.get("Notes", Json::nullValue);
-	if( !AllNotes.empty() )
-	{
-		for( Json::Value::iterator itr = AllNotes.begin(); itr != AllNotes.end(); ++itr )
-		{
-			Json::Value & Note = *itr;
-			cNoteEntity * NoteEntity = new cNoteEntity(0, 0, 0, a_World);
-			if ( !NoteEntity->LoadFromJson( Note ) )
-			{
-				LOGERROR("ERROR READING NOTE BLOCK FROM JSON!" );
-				delete NoteEntity;
-			}
-			else
-			{
-				a_BlockEntities.push_back( NoteEntity );
-			}
-		}  // for itr - AllNotes[]
-	}
-
-	// Load jukeboxes
-	Json::Value AllJukeboxes = a_Value.get("Jukeboxes", Json::nullValue);
-	if( !AllJukeboxes.empty() )
-	{
-		for( Json::Value::iterator itr = AllJukeboxes.begin(); itr != AllJukeboxes.end(); ++itr )
-		{
-			Json::Value & Jukebox = *itr;
-			cJukeboxEntity * JukeboxEntity = new cJukeboxEntity(0, 0, 0, a_World);
-			if ( !JukeboxEntity->LoadFromJson( Jukebox ) )
-			{
-				LOGERROR("ERROR READING JUKEBOX FROM JSON!" );
-				delete JukeboxEntity;
-			}
-			else
-			{
-				a_BlockEntities.push_back( JukeboxEntity );
-			}
-		}  // for itr - AllJukeboxes[]
-	}
-}
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cWSSCompact::cPAKFile
-
-#define READ(Var) \
-	if (f.Read(&Var, sizeof(Var)) != sizeof(Var)) \
-	{ \
-		LOGERROR("ERROR READING %s FROM FILE %s (line %d); file offset %d", #Var, m_FileName.c_str(), __LINE__, f.Tell()); \
-		return; \
-	}
-
-cWSSCompact::cPAKFile::cPAKFile(const AString & a_FileName, int a_LayerX, int a_LayerZ) :
-	m_FileName(a_FileName),
-	m_LayerX(a_LayerX),
-	m_LayerZ(a_LayerZ),
-	m_NumDirty(0),
-	m_ChunkVersion( CHUNK_VERSION ), // Init with latest version
-	m_PakVersion( PAK_VERSION )
-{
-	cFile f;
-	if (!f.Open(m_FileName, cFile::fmRead))
-	{
-		return;
-	}
-	
-	// Read headers:
-	READ(m_PakVersion);
-	if (m_PakVersion != 1)
-	{
-		LOGERROR("File \"%s\" is in an unknown pak format (%d)", m_FileName.c_str(), m_PakVersion);
-		return;
-	}
-	
-	READ(m_ChunkVersion);
-	switch( m_ChunkVersion )
-	{
-	case 1:
-		m_ChunkSize.Set(16, 128, 16);
-		break;
-	case 2:
-	case 3:
-		m_ChunkSize.Set(16, 256, 16);
-		break;
-	default:
-		LOGERROR("File \"%s\" is in an unknown chunk format (%d)", m_FileName.c_str(), m_ChunkVersion);
-		return;
-	};
-	
-	short NumChunks = 0;
-	READ(NumChunks);
-	
-	// Read chunk headers:
-	for (int i = 0; i < NumChunks; i++)
-	{
-		sChunkHeader * Header = new sChunkHeader;
-		READ(*Header);
-		m_ChunkHeaders.push_back(Header);
-	}  // for i - chunk headers
-
-	// Read chunk data:
-	if (f.ReadRestOfFile(m_DataContents) == -1)
-	{
-		LOGERROR("Cannot read file \"%s\" contents", m_FileName.c_str());
-		return;
-	}
-
-	if( m_ChunkVersion == 1 ) // Convert chunks to version 2
-	{
-		UpdateChunk1To2();
-	}
-#if AXIS_ORDER == AXIS_ORDER_XZY
-	if( m_ChunkVersion == 2 ) // Convert chunks to version 3
-	{
-		UpdateChunk2To3();
-	}
-#endif
-}
-
-
-
-
-
-cWSSCompact::cPAKFile::~cPAKFile()
-{
-	if (m_NumDirty > 0)
-	{
-		SynchronizeFile();
-	}
-	for (sChunkHeaders::iterator itr = m_ChunkHeaders.begin(); itr != m_ChunkHeaders.end(); ++itr)
-	{
-		delete *itr;
-	}
-}
-
-
-
-
-
-bool cWSSCompact::cPAKFile::GetChunkData(const cChunkCoords & a_Chunk, int & a_UncompressedSize, AString & a_Data)
-{
-	int ChunkX = a_Chunk.m_ChunkX;
-	int ChunkZ = a_Chunk.m_ChunkZ;
-	sChunkHeader * Header = NULL;
-	int Offset = 0;
-	for (sChunkHeaders::iterator itr = m_ChunkHeaders.begin(); itr != m_ChunkHeaders.end(); ++itr)
-	{
-		if (((*itr)->m_ChunkX == ChunkX) && ((*itr)->m_ChunkZ == ChunkZ))
-		{
-			Header = *itr;
-			break;
-		}
-		Offset += (*itr)->m_CompressedSize;
-	}
-	if ((Header == NULL) || (Offset + Header->m_CompressedSize > (int)m_DataContents.size()))
-	{
-		// Chunk not found / data invalid
-		return false;
-	}
-
-	a_UncompressedSize = Header->m_UncompressedSize;
-	a_Data.assign(m_DataContents, Offset, Header->m_CompressedSize);
-	return true;
-}
-
-
-
-
-
-bool cWSSCompact::cPAKFile::SaveChunk(const cChunkCoords & a_Chunk, cWorld * a_World)
-{
-	if (!SaveChunkToData(a_Chunk, a_World))
-	{
-		return false;
-	}
-	if (m_NumDirty > MAX_DIRTY_CHUNKS)
-	{
-		SynchronizeFile();
-	}
-	return true;
-}
-
-
-
-
-
-void cWSSCompact::cPAKFile::UpdateChunk1To2()
-{
-	int Offset = 0;
-	AString NewDataContents;
-	int ChunksConverted = 0;
-	for (sChunkHeaders::iterator itr = m_ChunkHeaders.begin(); itr != m_ChunkHeaders.end(); ++itr)
-	{
-		sChunkHeader * Header = *itr;
-
-		if( ChunksConverted % 32 == 0 )
-		{
-			LOGINFO("Updating \"%s\" version 1 to version 2: %d %%", m_FileName.c_str(), (ChunksConverted * 100) / m_ChunkHeaders.size() );
-		}
-		ChunksConverted++;
-
-		AString Data;
-		int UncompressedSize = Header->m_UncompressedSize;
-		Data.assign(m_DataContents, Offset, Header->m_CompressedSize);
-		Offset += Header->m_CompressedSize;
-
-		// Crude data integrity check:
-		int ExpectedSize = (16*128*16)*2 + (16*128*16)/2; // For version 1
-		if (UncompressedSize < ExpectedSize)
-		{
-			LOGWARNING("Chunk [%d, %d] has too short decompressed data (%d bytes out of %d needed), erasing",
-				Header->m_ChunkX, Header->m_ChunkZ,
-				UncompressedSize, ExpectedSize
-				);
-			Offset += Header->m_CompressedSize;
-			continue;
-		}
-
-		// Decompress the data:
-		AString UncompressedData;
-		{
-			int errorcode = UncompressString(Data.data(), Data.size(), UncompressedData, UncompressedSize);
-			if (errorcode != Z_OK)
-			{
-				LOGERROR("Error %d decompressing data for chunk [%d, %d]", 
-					errorcode,
-					Header->m_ChunkX, Header->m_ChunkZ
-					);
-				Offset += Header->m_CompressedSize;
-				continue;
-			}
-		}
-
-		if (UncompressedSize != (int)UncompressedData.size())
-		{
-			LOGWARNING("Uncompressed data size differs (exp %d bytes, got %d) for chunk [%d, %d]",
-				UncompressedSize, UncompressedData.size(),
-				Header->m_ChunkX, Header->m_ChunkZ
-				);
-			Offset += Header->m_CompressedSize;
-			continue;
-		}
-
-
-		// Old version is 128 blocks high with YZX axis order
-		char ConvertedData[cChunkDef::BlockDataSize];
-		int Index = 0;
-		unsigned int InChunkOffset = 0;
-		for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) 
-		{
-			for( int y = 0; y < 128; ++y )
-			{
-				ConvertedData[Index++] = UncompressedData[y + z * 128 + x * 128 * 16 + InChunkOffset];
-			}
-			// Add 128 empty blocks after an old y column
-			memset(ConvertedData + Index, E_BLOCK_AIR, 128);
-			Index += 128;
-		}
-		InChunkOffset += (16 * 128 * 16);
-		for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) // Metadata
-		{
-			for( int y = 0; y < 64; ++y )
-			{
-				ConvertedData[Index++] = UncompressedData[y + z * 64 + x * 64 * 16 + InChunkOffset];
-			}
-			memset(ConvertedData + Index, 0, 64);
-			Index += 64;
-		}
-		InChunkOffset += (16 * 128 * 16) / 2;
-		for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) // Block light
-		{
-			for( int y = 0; y < 64; ++y )
-			{
-				ConvertedData[Index++] = UncompressedData[y + z * 64 + x * 64 * 16 + InChunkOffset];
-			}
-			memset(ConvertedData + Index, 0, 64);
-			Index += 64;
-		}
-		InChunkOffset += (16*128*16)/2;
-		for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) // Sky light
-		{
-			for( int y = 0; y < 64; ++y )
-			{
-				ConvertedData[Index++] = UncompressedData[y + z * 64 + x * 64 * 16 + InChunkOffset];
-			}
-			memset(ConvertedData + Index, 0, 64);
-			Index += 64;
-		}
-		InChunkOffset += (16 * 128 * 16) / 2;
-
-		AString Converted(ConvertedData, ARRAYCOUNT(ConvertedData));
-		
-		// Add JSON data afterwards
-		if (UncompressedData.size() > InChunkOffset)
-		{
-			Converted.append( UncompressedData.begin() + InChunkOffset, UncompressedData.end() );
-		}
-
-		// Re-compress data
-		AString CompressedData;
-		{
-			int errorcode = CompressString(Converted.data(), Converted.size(), CompressedData);
-			if (errorcode != Z_OK)
-			{
-				LOGERROR("Error %d compressing data for chunk [%d, %d]", 
-					errorcode,
-					Header->m_ChunkX, Header->m_ChunkZ
-				);
-				continue;
-			}
-		}
-
-		// Save into file's cache
-		Header->m_UncompressedSize = Converted.size();
-		Header->m_CompressedSize = CompressedData.size();
-		NewDataContents.append( CompressedData );
-	}
-
-	// Done converting
-	m_DataContents = NewDataContents;
-	m_ChunkVersion = 2;
-	SynchronizeFile();
-	
-	LOGINFO("Updated \"%s\" version 1 to version 2", m_FileName.c_str() );
-}
-
-
-
-
-
-void cWSSCompact::cPAKFile::UpdateChunk2To3()
-{
-	int Offset = 0;
-	AString NewDataContents;
-	int ChunksConverted = 0;
-	for (sChunkHeaders::iterator itr = m_ChunkHeaders.begin(); itr != m_ChunkHeaders.end(); ++itr)
-	{
-		sChunkHeader * Header = *itr;
-
-		if( ChunksConverted % 32 == 0 )
-		{
-			LOGINFO("Updating \"%s\" version 2 to version 3: %d %%", m_FileName.c_str(), (ChunksConverted * 100) / m_ChunkHeaders.size() );
-		}
-		ChunksConverted++;
-
-		AString Data;
-		int UncompressedSize = Header->m_UncompressedSize;
-		Data.assign(m_DataContents, Offset, Header->m_CompressedSize);
-		Offset += Header->m_CompressedSize;
-
-		// Crude data integrity check:
-		const int ExpectedSize = (16*256*16)*2 + (16*256*16)/2; // For version 2
-		if (UncompressedSize < ExpectedSize)
-		{
-			LOGWARNING("Chunk [%d, %d] has too short decompressed data (%d bytes out of %d needed), erasing",
-				Header->m_ChunkX, Header->m_ChunkZ,
-				UncompressedSize, ExpectedSize
-				);
-			Offset += Header->m_CompressedSize;
-			continue;
-		}
-
-		// Decompress the data:
-		AString UncompressedData;
-		{
-			int errorcode = UncompressString(Data.data(), Data.size(), UncompressedData, UncompressedSize);
-			if (errorcode != Z_OK)
-			{
-				LOGERROR("Error %d decompressing data for chunk [%d, %d]", 
-					errorcode,
-					Header->m_ChunkX, Header->m_ChunkZ
-					);
-				Offset += Header->m_CompressedSize;
-				continue;
-			}
-		}
-
-		if (UncompressedSize != (int)UncompressedData.size())
-		{
-			LOGWARNING("Uncompressed data size differs (exp %d bytes, got %d) for chunk [%d, %d]",
-				UncompressedSize, UncompressedData.size(),
-				Header->m_ChunkX, Header->m_ChunkZ
-				);
-			Offset += Header->m_CompressedSize;
-			continue;
-		}
-
-		char ConvertedData[ExpectedSize];
-		memset(ConvertedData, 0, ExpectedSize);
-
-		// Cannot use cChunk::MakeIndex because it might change again?????????
-		// For compatibility, use what we know is current
-		#define MAKE_2_INDEX( x, y, z ) ( y + (z * 256) + (x * 256 * 16) )
-		#define MAKE_3_INDEX( x, y, z ) ( x + (z * 16) + (y * 16 * 16) )
-
-		unsigned int InChunkOffset = 0;
-		for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) for( int y = 0; y < 256; ++y ) // YZX Loop order is important, in 1.1 Y was first then Z then X
-		{
-			ConvertedData[ MAKE_3_INDEX(x, y, z) ] = UncompressedData[InChunkOffset];
-			++InChunkOffset;
-		}  // for y, z, x
-
-		
-		unsigned int index2 = 0;
-		for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) for( int y = 0; y < 256; ++y )
-		{
-			ConvertedData[ InChunkOffset + MAKE_3_INDEX(x, y, z)/2 ] |= ( (UncompressedData[ InChunkOffset + index2/2 ] >> ((index2&1)*4) ) & 0x0f ) << ((x&1)*4);
-			++index2;
-		}
-		InChunkOffset += index2 / 2;
-		index2 = 0;
-
-		for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) for( int y = 0; y < 256; ++y )
-		{
-			ConvertedData[ InChunkOffset + MAKE_3_INDEX(x, y, z)/2 ] |= ( (UncompressedData[ InChunkOffset + index2/2 ] >> ((index2&1)*4) ) & 0x0f ) << ((x&1)*4);
-			++index2;
-		}
-		InChunkOffset += index2 / 2;
-		index2 = 0;
-
-		for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) for( int y = 0; y < 256; ++y )
-		{
-			ConvertedData[ InChunkOffset + MAKE_3_INDEX(x, y, z)/2 ] |= ( (UncompressedData[ InChunkOffset + index2/2 ] >> ((index2&1)*4) ) & 0x0f ) << ((x&1)*4);
-			++index2;
-		}
-		InChunkOffset += index2 / 2;
-		index2 = 0;
-
-		AString Converted(ConvertedData, ExpectedSize);
-
-		// Add JSON data afterwards
-		if (UncompressedData.size() > InChunkOffset)
-		{
-			Converted.append( UncompressedData.begin() + InChunkOffset, UncompressedData.end() );
-		}
-
-		// Re-compress data
-		AString CompressedData;
-		{
-			int errorcode = CompressString(Converted.data(), Converted.size(), CompressedData);
-			if (errorcode != Z_OK)
-			{
-				LOGERROR("Error %d compressing data for chunk [%d, %d]", 
-					errorcode,
-					Header->m_ChunkX, Header->m_ChunkZ
-					);
-				continue;
-			}
-		}
-
-		// Save into file's cache
-		Header->m_UncompressedSize = Converted.size();
-		Header->m_CompressedSize = CompressedData.size();
-		NewDataContents.append( CompressedData );
-	}
-
-	// Done converting
-	m_DataContents = NewDataContents;
-	m_ChunkVersion = 3;
-	SynchronizeFile();
-
-	LOGINFO("Updated \"%s\" version 2 to version 3", m_FileName.c_str() );
-}
-
-
-
-
-
-bool cWSSCompact::LoadChunkFromData(const cChunkCoords & a_Chunk, int & a_UncompressedSize, const AString & a_Data, cWorld * a_World)
-{
-	// Crude data integrity check:
-	if (a_UncompressedSize < cChunkDef::BlockDataSize)
-	{
-		LOGWARNING("Chunk [%d, %d] has too short decompressed data (%d bytes out of %d needed), erasing",
-			a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ,
-			a_UncompressedSize, cChunkDef::BlockDataSize
-		);
-		EraseChunkData(a_Chunk);
-		return false;
-	}
-	
-	// Decompress the data:
-	AString UncompressedData;
-	int errorcode = UncompressString(a_Data.data(), a_Data.size(), UncompressedData, a_UncompressedSize);
-	if (errorcode != Z_OK)
-	{
-		LOGERROR("Error %d decompressing data for chunk [%d, %d]", 
-			errorcode,
-			a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ
-		);
-		return false;
-	}
-	
-	if (a_UncompressedSize != (int)UncompressedData.size())
-	{
-		LOGWARNING("Uncompressed data size differs (exp %d bytes, got %d) for chunk [%d, %d]",
-			a_UncompressedSize, UncompressedData.size(),
-			a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ
-		);
-		return false;
-	}
-
-	cEntityList      Entities;
-	cBlockEntityList BlockEntities;
-	bool IsLightValid = false;
-	
-	if (a_UncompressedSize > cChunkDef::BlockDataSize)
-	{
-		Json::Value root;   // will contain the root value after parsing.
-		Json::Reader reader;
-		if ( !reader.parse( UncompressedData.data() + cChunkDef::BlockDataSize, root, false ) )
-		{
-			LOGERROR("Failed to parse trailing JSON in chunk [%d, %d]!",
-				a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ
-			);
-		}
-		else
-		{
-			LoadEntitiesFromJson(root, Entities, BlockEntities, a_World);
-			IsLightValid = root.get("IsLightValid", false).asBool();
-		}
-	}
-
-	BLOCKTYPE *  BlockData  = (BLOCKTYPE *)UncompressedData.data();
-	NIBBLETYPE * MetaData   = (NIBBLETYPE *)(BlockData + cChunkDef::MetaOffset);
-	NIBBLETYPE * BlockLight = (NIBBLETYPE *)(BlockData + cChunkDef::LightOffset);
-	NIBBLETYPE * SkyLight   = (NIBBLETYPE *)(BlockData + cChunkDef::SkyLightOffset);
-	
-	a_World->SetChunkData(
-		a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ,
-		BlockData, MetaData,
-		IsLightValid ? BlockLight : NULL,
-		IsLightValid ? SkyLight : NULL,
-		NULL, NULL,
-		Entities, BlockEntities,
-		false
-	);
-
-	return true;
-}
-
-
-
-
-
-bool cWSSCompact::cPAKFile::EraseChunkData(const cChunkCoords & a_Chunk)
-{
-	int ChunkX = a_Chunk.m_ChunkX;
-	int ChunkZ = a_Chunk.m_ChunkZ;
-	int Offset = 0;
-	for (sChunkHeaders::iterator itr = m_ChunkHeaders.begin(); itr != m_ChunkHeaders.end(); ++itr)
-	{
-		if (((*itr)->m_ChunkX == ChunkX) && ((*itr)->m_ChunkZ == ChunkZ))
-		{
-			m_DataContents.erase(Offset, (*itr)->m_CompressedSize);
-			delete *itr;
-			itr = m_ChunkHeaders.erase(itr);
-			return true;
-		}
-		Offset += (*itr)->m_CompressedSize;
-	}
-	
-	return false;
-}
-
-
-
-
-
-bool cWSSCompact::cPAKFile::SaveChunkToData(const cChunkCoords & a_Chunk, cWorld * a_World)
-{
-	// Serialize the chunk:
-	cJsonChunkSerializer Serializer;
-	if (!a_World->GetChunkData(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ, Serializer))
-	{
-		// Chunk not valid
-		LOG("cWSSCompact: Trying to save chunk [%d, %d, %d] that has no data, ignoring request.", a_Chunk.m_ChunkX, a_Chunk.m_ChunkY, a_Chunk.m_ChunkZ);
-		return false;
-	}
-
-	AString Data;
-	Data.assign((const char *)Serializer.GetBlockData(), cChunkDef::BlockDataSize);
-	if (Serializer.HasJsonData())
-	{
-		AString JsonData;
-		Json::StyledWriter writer;
-		JsonData = writer.write(Serializer.GetRoot());
-		Data.append(JsonData);
-	}
-	
-	// Compress the data:
-	AString CompressedData;
-	int errorcode = CompressString(Data.data(), Data.size(), CompressedData);
-	if ( errorcode != Z_OK )
-	{
-		LOGERROR("Error %i compressing data for chunk [%d, %d, %d]", errorcode, a_Chunk.m_ChunkX, a_Chunk.m_ChunkY, a_Chunk.m_ChunkZ);
-		return false;
-	}
-	
-	// Erase any existing data for the chunk:
-	EraseChunkData(a_Chunk);
-	
-	// Save the header:
-	sChunkHeader * Header = new sChunkHeader;
-	if (Header == NULL)
-	{
-		LOGWARNING("Cannot create a new chunk header to save chunk [%d, %d, %d]", a_Chunk.m_ChunkX, a_Chunk.m_ChunkY, a_Chunk.m_ChunkZ);
-		return false;
-	}
-	Header->m_CompressedSize = (int)CompressedData.size();
-	Header->m_ChunkX = a_Chunk.m_ChunkX;
-	Header->m_ChunkZ = a_Chunk.m_ChunkZ;
-	Header->m_UncompressedSize = (int)Data.size();
-	m_ChunkHeaders.push_back(Header);
-	
-	m_DataContents.append(CompressedData.data(), CompressedData.size());
-	
-	m_NumDirty++;
-	return true;
-}
-
-
-
-
-
-#define WRITE(Var) \
-	if (f.Write(&Var, sizeof(Var)) != sizeof(Var)) \
-	{ \
-		LOGERROR("cWSSCompact: ERROR writing %s to file \"%s\" (line %d); file offset %d", #Var, m_FileName.c_str(), __LINE__, f.Tell()); \
-		return; \
-	}
-
-void cWSSCompact::cPAKFile::SynchronizeFile(void)
-{
-	cFile f;
-	if (!f.Open(m_FileName, cFile::fmWrite))
-	{
-		LOGERROR("Cannot open PAK file \"%s\" for writing", m_FileName.c_str());
-		return;
-	}
-	
-	WRITE(m_PakVersion);
-	WRITE(m_ChunkVersion);
-	short NumChunks = (short)m_ChunkHeaders.size();
-	WRITE(NumChunks);
-	for (sChunkHeaders::iterator itr = m_ChunkHeaders.begin(); itr != m_ChunkHeaders.end(); ++itr)
-	{
-		WRITE(**itr);
-	}
-	if (f.Write(m_DataContents.data(), m_DataContents.size()) != (int)m_DataContents.size())
-	{
-		LOGERROR("cWSSCompact: ERROR writing chunk contents to file \"%s\" (line %d); file offset %d", m_FileName.c_str(), __LINE__, f.Tell());
-		return;
-	}
-	m_NumDirty = 0;
-}
-
-
-
-