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// MapSerializer.cpp
#include "Globals.h"
#include "MapSerializer.h"
#include "../StringCompression.h"
#include "zlib/zlib.h"
#include "FastNBT.h"
#include "../Map.h"
cMapSerializer::cMapSerializer(const AString& a_WorldName, cMap * a_Map)
: m_Map(a_Map)
{
AString DataPath;
Printf(DataPath, "%s/data", a_WorldName.c_str());
Printf(m_Path, "%s/map_%i.dat", DataPath.c_str(), a_Map->GetID());
cFile::CreateFolder(FILE_IO_PREFIX + DataPath);
}
bool cMapSerializer::Load(void)
{
AString Data = cFile::ReadWholeFile(FILE_IO_PREFIX + m_Path);
if (Data.empty())
{
return false;
}
AString Uncompressed;
int res = UncompressStringGZIP(Data.data(), Data.size(), Uncompressed);
if (res != Z_OK)
{
return false;
}
// Parse the NBT data:
cParsedNBT NBT(Uncompressed.data(), Uncompressed.size());
if (!NBT.IsValid())
{
// NBT Parsing failed
return false;
}
return LoadMapFromNBT(NBT);
}
bool cMapSerializer::Save(void)
{
cFastNBTWriter Writer;
SaveMapToNBT(Writer);
Writer.Finish();
#ifdef _DEBUG
cParsedNBT TestParse(Writer.GetResult().data(), Writer.GetResult().size());
ASSERT(TestParse.IsValid());
#endif // _DEBUG
cFile File;
if (!File.Open(FILE_IO_PREFIX + m_Path, cFile::fmWrite))
{
return false;
}
AString Compressed;
int res = CompressStringGZIP(Writer.GetResult().data(), Writer.GetResult().size(), Compressed);
if (res != Z_OK)
{
return false;
}
File.Write(Compressed.data(), Compressed.size());
File.Close();
return true;
}
void cMapSerializer::SaveMapToNBT(cFastNBTWriter & a_Writer)
{
a_Writer.BeginCompound("data");
a_Writer.AddByte("scale", m_Map->GetScale());
a_Writer.AddByte("dimension", (int) m_Map->GetDimension());
a_Writer.AddShort("width", m_Map->GetWidth());
a_Writer.AddShort("height", m_Map->GetHeight());
a_Writer.AddInt("xCenter", m_Map->GetCenterX());
a_Writer.AddInt("zCenter", m_Map->GetCenterZ());
// Potential bug - The internal representation may change
const cMap::cColorList & Data = m_Map->GetData();
a_Writer.AddByteArray("colors", (char *) Data.data(), Data.size());
a_Writer.EndCompound();
}
bool cMapSerializer::LoadMapFromNBT(const cParsedNBT & a_NBT)
{
int Data = a_NBT.FindChildByName(0, "data");
if (Data < 0)
{
return false;
}
int CurrLine = a_NBT.FindChildByName(Data, "scale");
if (CurrLine >= 0)
{
unsigned int Scale = a_NBT.GetByte(CurrLine);
m_Map->m_Scale = Scale;
}
CurrLine = a_NBT.FindChildByName(Data, "dimension");
if (CurrLine >= 0)
{
eDimension Dimension = (eDimension) a_NBT.GetByte(CurrLine);
// ASSERT(Dimension == m_World.GetDimension());
}
CurrLine = a_NBT.FindChildByName(Data, "width");
if (CurrLine >= 0)
{
unsigned int Width = a_NBT.GetShort(CurrLine);
m_Map->m_Width = Width;
}
CurrLine = a_NBT.FindChildByName(Data, "height");
if (CurrLine >= 0)
{
unsigned int Height = a_NBT.GetShort(CurrLine);
m_Map->m_Height = Height;
}
CurrLine = a_NBT.FindChildByName(Data, "xCenter");
if (CurrLine >= 0)
{
int CenterX = a_NBT.GetInt(CurrLine);
m_Map->m_CenterX = CenterX;
}
CurrLine = a_NBT.FindChildByName(Data, "zCenter");
if (CurrLine >= 0)
{
int CenterZ = a_NBT.GetInt(CurrLine);
m_Map->m_CenterZ = CenterZ;
}
unsigned int NumPixels = m_Map->GetNumPixels();
m_Map->m_Data.resize(NumPixels);
// TODO xdot: Parse the byte array.
return true;
}
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