1 files changed, 0 insertions, 1063 deletions

diff --git a/source/WSSAnvil.cpp b/source/WSSAnvil.cpp
deleted file mode 100644
index cacd81df9..000000000
--- a/source/WSSAnvil.cpp
+++ /dev/null
@@ -1,1063 +0,0 @@
-
-// WSSAnvil.cpp
-
-// Implements the cWSSAnvil class representing the Anvil world storage scheme
-
-#include "Globals.h"
-#include "WSSAnvil.h"
-#include "cWorld.h"
-#include "zlib.h"
-#include "BlockID.h"
-#include "cChestEntity.h"
-#include "cFurnaceEntity.h"
-#include "cSignEntity.h"
-#include "cNoteEntity.h"
-#include "cItem.h"
-#include "StringCompression.h"
-#include "cEntity.h"
-#include "cMakeDir.h"
-#include "FastNBT.h"
-
-
-
-
-
-/** Maximum number of MCA files that are cached in memory. 
-Since only the header is actually in the memory, this number can be high, but still, each file means an OS FS handle.
-*/
-#define MAX_MCA_FILES 32
-
-/// The maximum size of an inflated chunk; raw chunk data is 192 KiB, allow 64 KiB more of entities
-#define CHUNK_INFLATE_MAX 256 KiB
-
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cNBTChunkSerializer
-
-class cNBTChunkSerializer :
-	public cChunkDataSeparateCollector
-{
-public:
-	cNBTChunkSerializer(cFastNBTWriter & a_Writer) :
-		m_Writer(a_Writer),
-		m_IsTagOpen(false),
-		m_HasHadEntity(false),
-		m_HasHadBlockEntity(false),
-		m_IsLightValid(false)
-	{
-	}
-
-
-	/// Close NBT tags that we've opened
-	void Finish(void)
-	{
-		if (m_IsTagOpen)
-		{
-			m_Writer.EndList();
-		}
-	}
-	
-	
-	bool IsLightValid(void) const {return m_IsLightValid; }
-	
-protected:
-	
-	/* From cChunkDataSeparateCollector we inherit:
-	- m_BlockTypes[]
-	- m_BlockMetas[]
-	- m_BlockLight[]
-	- m_BlockSkyLight[]
-	*/
-	
-	// TODO: Biomes
-	
-	cFastNBTWriter & m_Writer;
-	
-	bool m_IsTagOpen;  // True if a tag has been opened in the callbacks and not yet closed.
-	bool m_HasHadEntity;  // True if any Entity has already been received and processed
-	bool m_HasHadBlockEntity;  // True if any BlockEntity has already been received and processed
-	bool m_IsLightValid;  // True if the chunk lighting is valid
-	
-	
-	void AddBasicTileEntity(cBlockEntity * a_Entity, const char * a_EntityTypeID)
-	{
-		m_Writer.AddInt   ("x",  a_Entity->GetPosX());
-		m_Writer.AddInt   ("y",  a_Entity->GetPosY());
-		m_Writer.AddInt   ("z",  a_Entity->GetPosZ());
-		m_Writer.AddString("id", a_EntityTypeID);
-	}
-	
-	
-	void AddItem(const cItem * a_Item, int a_Slot)
-	{
-		m_Writer.BeginCompound("");
-		m_Writer.AddShort("id",     (short)(a_Item->m_ItemID));
-		m_Writer.AddShort("Damage", a_Item->m_ItemHealth);
-		m_Writer.AddByte ("Count",  a_Item->m_ItemCount);
-		m_Writer.AddByte ("Slot",   (unsigned char)a_Slot);
-		m_Writer.EndCompound();
-	}
-	
-	
-	void AddChestEntity(cChestEntity * a_Entity)
-	{
-		m_Writer.BeginCompound("");
-		AddBasicTileEntity(a_Entity, "Chest");
-		m_Writer.BeginList("Items", TAG_Compound);
-		for (int i = 0; i < cChestEntity::c_ChestHeight * cChestEntity::c_ChestWidth; i++)
-		{
-			const cItem * Item = a_Entity->GetSlot(i);
-			if ((Item == NULL) || Item->IsEmpty())
-			{
-				continue;
-			}
-			AddItem(Item, i);
-		}
-		m_Writer.EndList();
-		m_Writer.EndCompound();
-	}
-	
-	
-	void AddFurnaceEntity(cFurnaceEntity * a_Furnace)
-	{
-		m_Writer.BeginCompound("");
-		AddBasicTileEntity(a_Furnace, "Furnace");
-		m_Writer.BeginList("Items", TAG_Compound);
-		AddItem(a_Furnace->GetSlot(0), 0);
-		AddItem(a_Furnace->GetSlot(1), 1);
-		AddItem(a_Furnace->GetSlot(2), 2);
-		m_Writer.EndList();
-		m_Writer.AddShort("BurnTime", (Int16)(a_Furnace->GetTimeToBurn() / 50.0));
-		m_Writer.AddShort("CookTime", (Int16)(a_Furnace->GetTimeCooked() / 50.0));
-		m_Writer.EndCompound();
-	}
-
-
-	void AddSignEntity(cSignEntity * a_Sign)
-	{
-		m_Writer.BeginCompound("");
-		AddBasicTileEntity(a_Sign, "Sign");
-		m_Writer.AddString("Text1",   a_Sign->GetLine(0));
-		m_Writer.AddString("Text2",   a_Sign->GetLine(1));
-		m_Writer.AddString("Text3",   a_Sign->GetLine(2));
-		m_Writer.AddString("Text4",   a_Sign->GetLine(3));
-		m_Writer.EndCompound();
-	}
-
-	void AddNoteEntity(cNoteEntity * a_Note)
-	{
-		m_Writer.BeginCompound("");
-		AddBasicTileEntity(a_Note, "Music");
-		m_Writer.AddByte("note", a_Note->GetPitch());
-		m_Writer.EndCompound();
-	}
-
-
-	virtual bool LightIsValid(bool a_IsLightValid) override
-	{
-		m_IsLightValid = a_IsLightValid;
-		return a_IsLightValid;  // We want lighting only if it's valid, otherwise don't bother
-	}
-	
-	
-	virtual void Entity(cEntity * a_Entity) override
-	{
-		// TODO: Add entity into NBT:
-	}
-	
-	
-	virtual void BlockEntity(cBlockEntity * a_Entity)
-	{
-		if (m_IsTagOpen)
-		{
-			if (!m_HasHadBlockEntity)
-			{
-				m_Writer.EndList();
-				m_Writer.BeginList("TileEntities", TAG_Compound);
-			}
-		}
-		else
-		{
-			m_Writer.BeginList("TileEntities", TAG_Compound);
-		}
-		m_IsTagOpen = true;
-		
-		// Add tile-entity into NBT:
-		switch (a_Entity->GetBlockType())
-		{
-			case E_BLOCK_CHEST:     AddChestEntity  ((cChestEntity *)  a_Entity); break;
-			case E_BLOCK_FURNACE:   AddFurnaceEntity((cFurnaceEntity *)a_Entity); break;
-			case E_BLOCK_SIGN_POST:
-			case E_BLOCK_WALLSIGN:  AddSignEntity   ((cSignEntity *)   a_Entity); break;
-			case E_BLOCK_NOTE_BLOCK:  AddNoteEntity   ((cNoteEntity *)   a_Entity); break;
-			default:
-			{
-				ASSERT(!"Unhandled block entity saved into Anvil");
-			}
-		}
-		m_HasHadBlockEntity = true;
-	}
-} ;  // class cNBTChunkSerializer
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cWSSAnvil:
-
-cWSSAnvil::cWSSAnvil(cWorld * a_World) :
-	super(a_World)
-{
-	// Create a level.dat file for mapping tools, if it doesn't already exist:
-	AString fnam;
-	Printf(fnam, "%s/level.dat", a_World->GetName().c_str());
-	if (!cFile::Exists(fnam))
-	{
-		cFastNBTWriter Writer;
-		Writer.BeginCompound("");
-		Writer.AddInt("SpawnX", (int)(a_World->GetSpawnX()));
-		Writer.AddInt("SpawnY", (int)(a_World->GetSpawnY()));
-		Writer.AddInt("SpawnZ", (int)(a_World->GetSpawnZ()));
-		Writer.EndCompound();
-		Writer.Finish();
-		
-		#ifdef _DEBUG
-		cParsedNBT TestParse(Writer.GetResult().data(), Writer.GetResult().size());
-		ASSERT(TestParse.IsValid());
-		#endif  // _DEBUG
-		
-		gzFile gz = gzopen(fnam.c_str(), "wb");
-		if (gz != NULL)
-		{
-			gzwrite(gz, Writer.GetResult().data(), Writer.GetResult().size());
-		}
-		gzclose(gz);
-	}
-}
-
-
-
-
-
-cWSSAnvil::~cWSSAnvil()
-{
-	cCSLock Lock(m_CS);
-	for (cMCAFiles::iterator itr = m_Files.begin(); itr != m_Files.end(); ++itr)
-	{
-		delete *itr;
-	}  // for itr - m_Files[]
-}
-
-
-
-
-
-bool cWSSAnvil::LoadChunk(const cChunkCoords & a_Chunk)
-{
-	AString ChunkData;
-	if (!GetChunkData(a_Chunk, ChunkData))
-	{
-		// The reason for failure is already printed in GetChunkData()
-		return false;
-	}
-	
-	return LoadChunkFromData(a_Chunk, ChunkData);
-}
-
-
-
-
-
-bool cWSSAnvil::SaveChunk(const cChunkCoords & a_Chunk)
-{
-	AString ChunkData;
-	if (!SaveChunkToData(a_Chunk, ChunkData))
-	{
-		return false;
-	}
-	if (!SetChunkData(a_Chunk, ChunkData))
-	{
-		return false;
-	}
-	
-	// Everything successful
-	return true;
-}
-
-
-
-
-
-bool cWSSAnvil::GetChunkData(const cChunkCoords & a_Chunk, AString & a_Data)
-{
-	cCSLock Lock(m_CS);
-	cMCAFile * File = LoadMCAFile(a_Chunk);
-	if (File == NULL)
-	{
-		return false;
-	}
-	return File->GetChunkData(a_Chunk, a_Data);
-}
-
-
-
-
-
-bool cWSSAnvil::SetChunkData(const cChunkCoords & a_Chunk, const AString & a_Data)
-{
-	cCSLock Lock(m_CS);
-	cMCAFile * File = LoadMCAFile(a_Chunk);
-	if (File == NULL)
-	{
-		return false;
-	}
-	return File->SetChunkData(a_Chunk, a_Data);
-}
-
-
-
-
-
-cWSSAnvil::cMCAFile * cWSSAnvil::LoadMCAFile(const cChunkCoords & a_Chunk)
-{
-	// ASSUME m_CS is locked
-
-	const int RegionX = (int)(floorf((float)a_Chunk.m_ChunkX / 32.0f));
-	const int RegionZ = (int)(floorf((float)a_Chunk.m_ChunkZ / 32.0f));
-	
-	// Is it already cached?
-	for (cMCAFiles::iterator itr = m_Files.begin(); itr != m_Files.end(); ++itr)
-	{
-		if (((*itr) != NULL) && ((*itr)->GetRegionX() == RegionX) && ((*itr)->GetRegionZ() == RegionZ))
-		{
-			// Move the file to front and return it:
-			cMCAFile * f = *itr;
-			if (itr != m_Files.begin())
-			{
-				m_Files.erase(itr);
-				m_Files.push_front(f);
-			}
-			return f;
-		}
-	}
-	
-	// Load it anew:
-	AString FileName;
-	Printf(FileName, "%s/region", m_World->GetName().c_str());
-	cMakeDir::MakeDir(FileName);
-	AppendPrintf(FileName, "/r.%d.%d.mca", RegionX, RegionZ);
-	cMCAFile * f = new cMCAFile(FileName, RegionX, RegionZ);
-	if (f == NULL)
-	{
-		return NULL;
-	}
-	m_Files.push_front(f);
-	
-	// If there are too many MCA files cached, delete the last one used:
-	if (m_Files.size() > MAX_MCA_FILES)
-	{
-		delete m_Files.back();
-		m_Files.pop_back();
-	}
-	return f;
-}
-
-
-
-
-
-bool cWSSAnvil::LoadChunkFromData(const cChunkCoords & a_Chunk, const AString & a_Data)
-{
-	// Decompress the data:
-	char Uncompressed[CHUNK_INFLATE_MAX];
-	z_stream strm;
-	strm.zalloc = (alloc_func)NULL;
-	strm.zfree = (free_func)NULL;
-	strm.opaque = NULL;
-	inflateInit(&strm);
-	strm.next_out  = (Bytef *)Uncompressed;
-	strm.avail_out = sizeof(Uncompressed);
-	strm.next_in   = (Bytef *)a_Data.data();
-	strm.avail_in  = a_Data.size();
-	int res = inflate(&strm, Z_FINISH);
-	inflateEnd(&strm);
-	if (res != Z_STREAM_END)
-	{
-		return false;
-	}
-	
-	// Parse the NBT data:
-	cParsedNBT NBT(Uncompressed, strm.total_out);
-	if (!NBT.IsValid())
-	{
-		// NBT Parsing failed
-		return false;
-	}
-
-	// Load the data from NBT:
-	return LoadChunkFromNBT(a_Chunk, NBT);
-}
-
-
-
-
-
-bool cWSSAnvil::SaveChunkToData(const cChunkCoords & a_Chunk, AString & a_Data)
-{
-	cFastNBTWriter Writer;
-	if (!SaveChunkToNBT(a_Chunk, Writer))
-	{
-		return false;
-	}
-	Writer.Finish();
-	CompressString(Writer.GetResult().data(), Writer.GetResult().size(), a_Data);
-	return true;
-}
-
-
-
-
-
-bool cWSSAnvil::LoadChunkFromNBT(const cChunkCoords & a_Chunk, const cParsedNBT & a_NBT)
-{
-	// The data arrays, in MCA-native y/z/x ordering (will be reordered for the final chunk data)
-	cChunkDef::BlockTypes   BlockTypes;
-	cChunkDef::BlockNibbles MetaData;
-	cChunkDef::BlockNibbles BlockLight;
-	cChunkDef::BlockNibbles SkyLight;
-	
-	memset(BlockTypes, E_BLOCK_AIR, sizeof(BlockTypes));
-	memset(MetaData,   0,           sizeof(MetaData));
-	memset(SkyLight,   0xff,        sizeof(SkyLight));  // By default, data not present in the NBT means air, which means full skylight
-	memset(BlockLight, 0x00,        sizeof(BlockLight));
-	
-	// Load the blockdata, blocklight and skylight:
-	int Level = a_NBT.FindChildByName(0, "Level");
-	if (Level < 0)
-	{
-		return false;
-	}
-	int Sections = a_NBT.FindChildByName(Level, "Sections");
-	if ((Sections < 0) || (a_NBT.GetType(Sections) != TAG_List) || (a_NBT.GetChildrenType(Sections) != TAG_Compound))
-	{
-		return false;
-	}
-	for (int Child = a_NBT.GetFirstChild(Sections); Child >= 0; Child = a_NBT.GetNextSibling(Child))
-	{
-		int y = 0;
-		int SectionY = a_NBT.FindChildByName(Child, "Y");
-		if ((SectionY < 0) || (a_NBT.GetType(SectionY) != TAG_Byte))
-		{
-			continue;
-		}
-		y = a_NBT.GetByte(SectionY);
-		if ((y < 0) || (y > 15))
-		{
-			continue;
-		}
-		CopyNBTData(a_NBT, Child, "Blocks",     (char *)&(BlockTypes[y * 4096]), 4096);
-		CopyNBTData(a_NBT, Child, "Data",       (char *)&(MetaData[y   * 2048]), 2048);
-		CopyNBTData(a_NBT, Child, "SkyLight",   (char *)&(SkyLight[y   * 2048]), 2048);
-		CopyNBTData(a_NBT, Child, "BlockLight", (char *)&(BlockLight[y * 2048]), 2048);
-	}  // for itr - LevelSections[]
-	
-	// Load the biomes from NBT, if present and valid:
-	cChunkDef::BiomeMap BiomeMap;
-	cChunkDef::BiomeMap * Biomes = LoadBiomeMapFromNBT(&BiomeMap, a_NBT, a_NBT.FindChildByName(Level, "Biomes"));
-	
-	// Load the entities from NBT:
-	cEntityList      Entities;
-	cBlockEntityList BlockEntities;
-	LoadEntitiesFromNBT     (Entities,      a_NBT, a_NBT.FindChildByName(Level, "Entities"));
-	LoadBlockEntitiesFromNBT(BlockEntities, a_NBT, a_NBT.FindChildByName(Level, "TileEntities"));
-	
-	bool IsLightValid = (a_NBT.FindChildByName(Level, "MCSIsLightValid") > 0);
-	
-	/*
-	// Uncomment this block for really cool stuff :)
-	// DEBUG magic: Invert the underground, so that we can see the MC generator in action :)
-	bool ShouldInvert[cChunkDef::Width * cChunkDef::Width];
-	memset(ShouldInvert, 0, sizeof(ShouldInvert));
-	for (int y = cChunkDef::Height - 1; y >= 0; y--)
-	{
-		for (int x = 0; x < cChunkDef::Width; x++) for (int z = 0; z < cChunkDef::Width; z++)
-		{
-			int Index = cChunkDef::MakeIndexNoCheck(x, y, z);
-			if (ShouldInvert[x + cChunkDef::Width * z])
-			{
-				BlockTypes[Index] = (BlockTypes[Index] == E_BLOCK_AIR) ? E_BLOCK_STONE : E_BLOCK_AIR;
-			}
-			else
-			{
-				switch (BlockTypes[Index])
-				{
-					case E_BLOCK_AIR:
-					case E_BLOCK_LEAVES:
-					{
-						// nothing needed
-						break;
-					}
-					default:
-					{
-						ShouldInvert[x + cChunkDef::Width * z] = true;
-					}
-				}
-				BlockTypes[Index] = E_BLOCK_AIR;
-			}
-		}
-	}  // for y
-	//*/
-	
-	m_World->SetChunkData(
-		a_Chunk.m_ChunkX, a_Chunk.m_ChunkY, a_Chunk.m_ChunkZ,
-		BlockTypes, MetaData, 
-		IsLightValid ? BlockLight : NULL,
-		IsLightValid ? SkyLight : NULL,
-		NULL, Biomes,
-		Entities, BlockEntities,
-		false
-	);
-	return true;
-}
-
-
-
-
-void cWSSAnvil::CopyNBTData(const cParsedNBT & a_NBT, int a_Tag, const AString & a_ChildName, char * a_Destination, int a_Length)
-{
-	int Child = a_NBT.FindChildByName(a_Tag, a_ChildName);
-	if ((Child >= 0) && (a_NBT.GetType(Child) == TAG_ByteArray) && (a_NBT.GetDataLength(Child) == a_Length))
-	{
-		memcpy(a_Destination, a_NBT.GetData(Child), a_Length);
-	}
-}
-
-
-
-
-
-bool cWSSAnvil::SaveChunkToNBT(const cChunkCoords & a_Chunk, cFastNBTWriter & a_Writer)
-{
-	a_Writer.BeginCompound("Level");
-	a_Writer.AddInt("xPos", a_Chunk.m_ChunkX);
-	a_Writer.AddInt("zPos", a_Chunk.m_ChunkZ);
-	cNBTChunkSerializer Serializer(a_Writer);
-	if (!m_World->GetChunkData(a_Chunk.m_ChunkX, a_Chunk.m_ChunkY, a_Chunk.m_ChunkZ, Serializer))
-	{
-		return false;
-	}
-	Serializer.Finish();  // Close NBT tags
-	
-	// TODO: Save biomes, both MCS (IntArray) and MC-vanilla (ByteArray):
-	// Level->Add(new cNBTByteArray(Level, "Biomes", AString(Serializer.m_Biomes, sizeof(Serializer.m_Biomes));
-	// Level->Add(new cNBTByteArray(Level, "MCSBiomes", AString(Serializer.m_Biomes, sizeof(Serializer.m_Biomes));
-	
-	// Save blockdata:
-	a_Writer.BeginList("Sections", TAG_Compound);
-	int SliceSizeBlock  = cChunkDef::Width * cChunkDef::Width * 16;
-	int SliceSizeNibble = SliceSizeBlock / 2;
-	const char * BlockTypes    = (const char *)(Serializer.m_BlockTypes);
-	const char * BlockMetas    = (const char *)(Serializer.m_BlockMetas);
-	const char * BlockLight    = (const char *)(Serializer.m_BlockLight);
-	const char * BlockSkyLight = (const char *)(Serializer.m_BlockSkyLight);
-	for (int Y = 0; Y < 16; Y++)
-	{
-		a_Writer.BeginCompound("");
-		a_Writer.AddByteArray("Blocks",     BlockTypes    + Y * SliceSizeBlock,  SliceSizeBlock);
-		a_Writer.AddByteArray("Data",       BlockMetas    + Y * SliceSizeNibble, SliceSizeNibble);
-		a_Writer.AddByteArray("SkyLight",   BlockSkyLight + Y * SliceSizeNibble, SliceSizeNibble);
-		a_Writer.AddByteArray("BlockLight", BlockLight    + Y * SliceSizeNibble, SliceSizeNibble);
-		a_Writer.AddByte("Y", (unsigned char)Y);
-		a_Writer.EndCompound();
-	}
-	a_Writer.EndList();  // "Sections"
-	
-	// Store the information that the lighting is valid. 
-	// For compatibility reason, the default is "invalid" (missing) - this means older data is re-lighted upon loading.
-	if (Serializer.IsLightValid())
-	{
-		a_Writer.AddByte("MCSIsLightValid", 1);
-	}
-	
-	a_Writer.EndCompound();  // "Level"
-	return true;
-}
-
-
-
-
-
-cChunkDef::BiomeMap * cWSSAnvil::LoadBiomeMapFromNBT(cChunkDef::BiomeMap * a_BiomeMap, const cParsedNBT & a_NBT, int a_TagIdx)
-{
-	if ((a_TagIdx < 0) || (a_NBT.GetType(a_TagIdx) != TAG_ByteArray))
-	{
-		return NULL;
-	}
-	if (a_NBT.GetDataLength(a_TagIdx) != sizeof(*a_BiomeMap))
-	{
-		// The biomes stored don't match in size
-		return NULL;
-	}
-	memcpy(a_BiomeMap, a_NBT.GetData(a_TagIdx), sizeof(*a_BiomeMap));
-	for (int i = 0; i < ARRAYCOUNT(*a_BiomeMap); i++)
-	{
-		if ((*a_BiomeMap)[i] == 0xff)
-		{
-			// Unassigned biomes
-			return NULL;
-		}
-	}
-	return a_BiomeMap;
-}
-
-
-
-
-
-void cWSSAnvil::LoadEntitiesFromNBT(cEntityList & a_Entitites, const cParsedNBT & a_NBT, int a_TagIdx)
-{
-	// TODO: Load the entities
-}
-
-
-
-
-
-void cWSSAnvil::LoadBlockEntitiesFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
-	if ((a_TagIdx < 0) || (a_NBT.GetType(a_TagIdx) != TAG_List))
-	{
-		return;
-	}
-	
-	for (int Child = a_NBT.GetFirstChild(a_TagIdx); Child != -1; Child = a_NBT.GetNextSibling(Child))
-	{
-		if (a_NBT.GetType(Child) != TAG_Compound)
-		{
-			continue;
-		}
-		int sID = a_NBT.FindChildByName(Child, "id");
-		if (sID < 0)
-		{
-			continue;
-		}
-		if (strncmp(a_NBT.GetData(sID), "Chest", a_NBT.GetDataLength(sID)) == 0)
-		{
-			LoadChestFromNBT(a_BlockEntities, a_NBT, Child);
-		}
-		else if (strncmp(a_NBT.GetData(sID), "Furnace", a_NBT.GetDataLength(sID)) == 0)
-		{
-			LoadFurnaceFromNBT(a_BlockEntities, a_NBT, Child);
-		}
-		else if (strncmp(a_NBT.GetData(sID), "Sign", a_NBT.GetDataLength(sID)) == 0)
-		{
-			LoadSignFromNBT(a_BlockEntities, a_NBT, Child);
-		}
-		else if (strncmp(a_NBT.GetData(sID), "Music", a_NBT.GetDataLength(sID)) == 0)
-		{
-			LoadNoteFromNBT(a_BlockEntities, a_NBT, Child);
-		}
-		// TODO: Other block entities
-	}  // for Child - tag children
-}
-
-
-
-
-
-void cWSSAnvil::LoadChestFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
-	ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound);
-	int x, y, z;
-	if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z))
-	{
-		return;
-	}
-	int Items = a_NBT.FindChildByName(a_TagIdx, "Items");
-	if ((Items < 0) || (a_NBT.GetType(Items) != TAG_List))
-	{
-		return;  // Make it an empty chest - the chunk loader will provide an empty cChestEntity for this
-	}
-	std::auto_ptr<cChestEntity> Chest(new cChestEntity(x, y, z, m_World));
-	for (int Child = a_NBT.GetFirstChild(Items); Child != -1; Child = a_NBT.GetNextSibling(Child))
-	{
-		int Slot = a_NBT.FindChildByName(Child, "Slot");
-		if ((Slot < 0) || (a_NBT.GetType(Slot) != TAG_Byte))
-		{
-			continue;
-		}
-		cItem Item;
-		int ID = a_NBT.FindChildByName(Child, "id");
-		if ((ID < 0) || (a_NBT.GetType(ID) != TAG_Short))
-		{
-			continue;
-		}
-		Item.m_ItemID = (ENUM_ITEM_ID)(a_NBT.GetShort(ID));
-		int Damage = a_NBT.FindChildByName(Child, "Damage");
-		if ((Damage < 0) || (a_NBT.GetType(Damage) != TAG_Short))
-		{
-			continue;
-		}
-		Item.m_ItemHealth = a_NBT.GetShort(Damage);
-		int Count = a_NBT.FindChildByName(Child, "Count");
-		if ((Count < 0) || (a_NBT.GetType(Count) != TAG_Byte))
-		{
-			continue;
-		}
-		Item.m_ItemCount = a_NBT.GetByte(Count);
-		Chest->SetSlot(a_NBT.GetByte(Slot), Item);
-	}  // for itr - ItemDefs[]
-	a_BlockEntities.push_back(Chest.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadFurnaceFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
-	ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound);
-	int x, y, z;
-	if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z))
-	{
-		return;
-	}
-	int Items = a_NBT.FindChildByName(a_TagIdx, "Items");
-	if ((Items < 0) || (a_NBT.GetType(Items) != TAG_List))
-	{
-		return;  // Make it an empty furnace - the chunk loader will provide an empty cFurnaceEntity for this
-	}
-	std::auto_ptr<cFurnaceEntity> Furnace(new cFurnaceEntity(x, y, z, m_World));
-	for (int Child = a_NBT.GetFirstChild(Items); Child != -1; Child = a_NBT.GetNextSibling(Child))
-	{
-		int Slot = a_NBT.FindChildByName(Child, "Slot");
-		if ((Slot < 0) || (a_NBT.GetType(Slot) != TAG_Byte))
-		{
-			continue;
-		}
-		cItem Item;
-		int ID = a_NBT.FindChildByName(Child, "id");
-		if ((ID < 0) || (a_NBT.GetType(ID) != TAG_Short))
-		{
-			continue;
-		}
-		Item.m_ItemID = (ENUM_ITEM_ID)(a_NBT.GetShort(ID));
-		int Damage = a_NBT.FindChildByName(Child, "Damage");
-		if ((Damage < 0) || (a_NBT.GetType(Damage) != TAG_Short))
-		{
-			continue;
-		}
-		Item.m_ItemHealth = a_NBT.GetShort(Damage);
-		int Count = a_NBT.FindChildByName(Child, "Count");
-		if ((Count < 0) || (a_NBT.GetType(Count) != TAG_Byte))
-		{
-			continue;
-		}
-		Item.m_ItemCount = a_NBT.GetByte(Count);
-		Furnace->SetSlot(a_NBT.GetByte(Slot), Item);
-	}  // for itr - ItemDefs[]
-	int BurnTime = a_NBT.FindChildByName(a_TagIdx, "BurnTime");
-	if (BurnTime >= 0)
-	{
-		Int16 bt = a_NBT.GetShort(BurnTime);
-		// Anvil doesn't store the time that the fuel can burn. We simply "reset" the current value to be the 100%
-		Furnace->SetBurnTimes((float)(bt * 50.0), (float)(bt * 50.0));
-	}
-	int CookTime = a_NBT.FindChildByName(a_TagIdx, "CookTime");
-	if (CookTime >= 0)
-	{
-		Int16 ct = a_NBT.GetShort(CookTime);
-		// Anvil doesn't store the time that an item takes to cook. We simply use the default - 10 seconds
-		Furnace->SetCookTimes(10000.0, (float)(ct * 50.0));
-	}
-	Furnace->ContinueCooking();
-	a_BlockEntities.push_back(Furnace.release());
-}
-
-
-
-
-
-void cWSSAnvil::LoadSignFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
-	ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound);
-	int x, y, z;
-	if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z))
-	{
-		return;
-	}
-	std::auto_ptr<cSignEntity> Sign(new cSignEntity(E_BLOCK_SIGN_POST, x, y, z, m_World));
-
-	int currentLine = a_NBT.FindChildByName(a_TagIdx, "Text1");
-	if (currentLine >= 0)
-	{
-		Sign->SetLine(0, a_NBT.GetString(currentLine));
-	}
-
-	currentLine = a_NBT.FindChildByName(a_TagIdx, "Text2");
-	if (currentLine >= 0)
-	{
-		Sign->SetLine(1, a_NBT.GetString(currentLine));
-	}
-
-	currentLine = a_NBT.FindChildByName(a_TagIdx, "Text3");
-	if (currentLine >= 0)
-	{
-		Sign->SetLine(2, a_NBT.GetString(currentLine));
-	}
-
-	currentLine = a_NBT.FindChildByName(a_TagIdx, "Text4");
-	if (currentLine >= 0)
-	{
-		Sign->SetLine(3, a_NBT.GetString(currentLine));
-	}
-
-	a_BlockEntities.push_back(Sign.release());
-}
-
-
-
-
-void cWSSAnvil::LoadNoteFromNBT(cBlockEntityList & a_BlockEntities, const cParsedNBT & a_NBT, int a_TagIdx)
-{
-	ASSERT(a_NBT.GetType(a_TagIdx) == TAG_Compound);
-	int x, y, z;
-	if (!GetBlockEntityNBTPos(a_NBT, a_TagIdx, x, y, z))
-	{
-		return;
-	}
-	std::auto_ptr<cNoteEntity> Note(new cNoteEntity(x, y, z, m_World));
-	int note = a_NBT.FindChildByName(a_TagIdx, "note");
-	if (note >= 0)
-	{
-		Note->SetPitch(a_NBT.GetByte(note));
-	}
-	a_BlockEntities.push_back(Note.release());
-}
-
-
-
-
-
-bool cWSSAnvil::GetBlockEntityNBTPos(const cParsedNBT & a_NBT, int a_TagIdx, int & a_X, int & a_Y, int & a_Z)
-{
-	int x = a_NBT.FindChildByName(a_TagIdx, "x");
-	if ((x < 0) || (a_NBT.GetType(x) != TAG_Int))
-	{
-		return false;
-	}
-	int y = a_NBT.FindChildByName(a_TagIdx, "y");
-	if ((y < 0) || (a_NBT.GetType(y) != TAG_Int))
-	{
-		return false;
-	}
-	int z = a_NBT.FindChildByName(a_TagIdx, "z");
-	if ((z < 0) || (a_NBT.GetType(z) != TAG_Int))
-	{
-		return false;
-	}
-	a_X = a_NBT.GetInt(x);
-	a_Y = a_NBT.GetInt(y);
-	a_Z = a_NBT.GetInt(z);
-	return true;
-}
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cWSSAnvil::cMCAFile:
-
-cWSSAnvil::cMCAFile::cMCAFile(const AString & a_FileName, int a_RegionX, int a_RegionZ) :
-	m_RegionX(a_RegionX),
-	m_RegionZ(a_RegionZ),
-	m_FileName(a_FileName)
-{
-}
-
-
-
-
-
-bool cWSSAnvil::cMCAFile::OpenFile(bool a_IsForReading)
-{
-	if (m_File.IsOpen())
-	{
-		// Already open
-		return true;
-	}
-	
-	if (a_IsForReading)
-	{
-		if (!cFile::Exists(m_FileName))
-		{
-			// We want to read and the file doesn't exist. Fail.
-			return false;
-		}
-	}
-	
-	if (!m_File.Open(m_FileName, cFile::fmReadWrite))
-	{
-		// The file failed to open
-		return false;
-	}
-	
-	// Load the header:
-	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 NULL header (both chunk offsets and timestamps):
-		memset(m_Header, 0, sizeof(m_Header));
-		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
-		)
-		{
-			LOGWARNING("Cannot process MCA header in file \"%s\", chunks in that file will be lost", m_FileName.c_str());
-			m_File.Close();
-			return false;
-		}
-	}
-	return true;
-}
-
-
-
-
-
-bool cWSSAnvil::cMCAFile::GetChunkData(const cChunkCoords & a_Chunk, AString & a_Data)
-{
-	if (!OpenFile(true))
-	{
-		return false;
-	}
-	
-	int LocalX = a_Chunk.m_ChunkX % 32;
-	if (LocalX < 0)
-	{
-		LocalX = 32 + LocalX;
-	}
-	int LocalZ = a_Chunk.m_ChunkZ % 32;
-	if (LocalZ < 0)
-	{
-		LocalZ = 32 + LocalZ;
-	}
-	unsigned ChunkLocation = ntohl(m_Header[LocalX + 32 * LocalZ]);
-	unsigned ChunkOffset = ChunkLocation >> 8;
-	
-	m_File.Seek(ChunkOffset * 4096);
-	
-	int ChunkSize = 0;
-	if (m_File.Read(&ChunkSize, 4) != 4)
-	{
-		return false;
-	}
-	ChunkSize = ntohl(ChunkSize);
-	char CompressionType = 0;
-	if (m_File.Read(&CompressionType, 1) != 1)
-	{
-		return false;
-	}
-	if (CompressionType != 2)
-	{
-		// Chunk is in an unknown compression
-		return false;
-	}
-	ChunkSize--;
-	
-	// HACK: This depends on the internal knowledge that AString's data() function returns the internal buffer directly
-	a_Data.assign(ChunkSize, '\0');
-	return (m_File.Read((void *)a_Data.data(), ChunkSize) == ChunkSize);
-}
-
-
-
-
-
-bool cWSSAnvil::cMCAFile::SetChunkData(const cChunkCoords & a_Chunk, const AString & a_Data)
-{
-	if (!OpenFile(false))
-	{
-		return false;
-	}
-
-	int LocalX = a_Chunk.m_ChunkX % 32;
-	if (LocalX < 0)
-	{
-		LocalX = 32 + LocalX;
-	}
-	int LocalZ = a_Chunk.m_ChunkZ % 32;
-	if (LocalZ < 0)
-	{
-		LocalZ = 32 + LocalZ;
-	}
-	
-	unsigned ChunkSector = FindFreeLocation(LocalX, LocalZ, a_Data);
-
-	// Store the chunk data:
-	m_File.Seek(ChunkSector * 4096);
-	unsigned ChunkSize = htonl(a_Data.size() + 1);
-	if (m_File.Write(&ChunkSize, 4) != 4)
-	{
-		return false;
-	}
-	char CompressionType = 2;
-	if (m_File.Write(&CompressionType, 1) != 1)
-	{
-		return false;
-	}
-	if (m_File.Write(a_Data.data(), a_Data.size()) != (int)(a_Data.size()))
-	{
-		return false;
-	}
-	
-	// Store the header:
-	ChunkSize = (a_Data.size() + MCA_CHUNK_HEADER_LENGTH + 4095) / 4096;  // Round data size *up* to nearest 4KB sector, make it a sector number
-	ASSERT(ChunkSize < 256);
-	m_Header[LocalX + 32 * LocalZ] = htonl((ChunkSector << 8) | ChunkSize);
-	m_File.Seek(0);
-	if (m_File.Write(m_Header, sizeof(m_Header)) != sizeof(m_Header))
-	{
-		return false;
-	}
-	
-	return true;
-}
-
-
-
-
-
-unsigned cWSSAnvil::cMCAFile::FindFreeLocation(int a_LocalX, int a_LocalZ, const AString & a_Data)
-{
-	// See if it fits the current location:
-	unsigned ChunkLocation = ntohl(m_Header[a_LocalX + 32 * a_LocalZ]);
-	unsigned ChunkLen = ChunkLocation & 0xff;
-	if (a_Data.size() + MCA_CHUNK_HEADER_LENGTH <= (ChunkLen * 4096))
-	{
-		return ChunkLocation >> 8;
-	}
-	
-	// Doesn't fit, append to the end of file (we're wasting a lot of space, TODO: fix this later)
-	unsigned MaxLocation = 2 << 8;  // Minimum sector is #2 - after the headers
-	for (int i = 0; i < ARRAYCOUNT(m_Header); i++)
-	{
-		ChunkLocation = ntohl(m_Header[i]);
-		ChunkLocation = ChunkLocation + ((ChunkLocation & 0xff) << 8);  // Add the number of sectors used; don't care about the 4th byte
-		if (MaxLocation < ChunkLocation)
-		{
-			MaxLocation = ChunkLocation;
-		}
-	}  // for i - m_Header[]
-	return MaxLocation >> 8;
-}
-
-
-
-