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cuberite-2a
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Moved Schematic file methods to seperate class

This commit is contained in:
Tycho 2014-01-20 09:59:12 -08:00
parent 613f238ab6
commit 4f09e8df6e
4 changed files with 177 additions and 175 deletions
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159
src/BlockArea.cpp
View File

@ -7,7 +7,6 @@
#include "Globals.h"
#include "BlockArea.h"
#include "OSSupport/GZipFile.h"
#include "WorldStorage/FastNBT.h"
#include "Blocks/BlockHandler.h"
@ -447,85 +446,12 @@ void cBlockArea::DumpToRawFile(const AString & a_FileName)
bool cBlockArea::LoadFromSchematicFile(const AString & a_FileName)
{
// Un-GZip the contents:
AString Contents;
cGZipFile File;
if (!File.Open(a_FileName, cGZipFile::fmRead))
{
LOG("Cannot open the schematic file \"%s\".", a_FileName.c_str());
return false;
}
int NumBytesRead = File.ReadRestOfFile(Contents);
if (NumBytesRead < 0)
{
LOG("Cannot read GZipped data in the schematic file \"%s\", error %d", a_FileName.c_str(), NumBytesRead);
return false;
}
File.Close();
// Parse the NBT:
cParsedNBT NBT(Contents.data(), Contents.size());
if (!NBT.IsValid())
{
LOG("Cannot parse the NBT in the schematic file \"%s\".", a_FileName.c_str());
return false;
}
return LoadFromSchematicNBT(NBT);
}
bool cBlockArea::SaveToSchematicFile(const AString & a_FileName)
{
cFastNBTWriter Writer("Schematic");
Writer.AddShort("Width", m_SizeX);
Writer.AddShort("Height", m_SizeY);
Writer.AddShort("Length", m_SizeZ);
Writer.AddString("Materials", "Alpha");
if (HasBlockTypes())
{
Writer.AddByteArray("Blocks", (const char *)m_BlockTypes, GetBlockCount());
}
else
{
AString Dummy(GetBlockCount(), 0);
Writer.AddByteArray("Blocks", Dummy.data(), Dummy.size());
}
if (HasBlockMetas())
{
Writer.AddByteArray("Data", (const char *)m_BlockMetas, GetBlockCount());
}
else
{
AString Dummy(GetBlockCount(), 0);
Writer.AddByteArray("Data", Dummy.data(), Dummy.size());
}
// TODO: Save entities and block entities
Writer.BeginList("Entities", TAG_Compound);
Writer.EndList();
Writer.BeginList("TileEntities", TAG_Compound);
Writer.EndList();
Writer.Finish();
// Save to file
cGZipFile File;
if (!File.Open(a_FileName, cGZipFile::fmWrite))
{
LOG("Cannot open file \"%s\" for writing.", a_FileName.c_str());
return false;
}
if (!File.Write(Writer.GetResult()))
{
LOG("Cannot write data to file \"%s\".", a_FileName.c_str());
return false;
}
return true;
}
@ -2017,89 +1943,6 @@ void cBlockArea::ExpandNibbles(NIBBLEARRAY & a_Array, int a_SubMinX, int a_AddMa
}
bool cBlockArea::LoadFromSchematicNBT(cParsedNBT & a_NBT)
{
int TMaterials = a_NBT.FindChildByName(a_NBT.GetRoot(), "Materials");
if ((TMaterials > 0) && (a_NBT.GetType(TMaterials) == TAG_String))
{
AString Materials = a_NBT.GetString(TMaterials);
if (Materials.compare("Alpha") != 0)
{
LOG("Materials tag is present and \"%s\" instead of \"Alpha\". Possibly a wrong-format schematic file.", Materials.c_str());
return false;
}
}
int TSizeX = a_NBT.FindChildByName(a_NBT.GetRoot(), "Width");
int TSizeY = a_NBT.FindChildByName(a_NBT.GetRoot(), "Height");
int TSizeZ = a_NBT.FindChildByName(a_NBT.GetRoot(), "Length");
if (
(TSizeX < 0) || (TSizeY < 0) || (TSizeZ < 0) ||
(a_NBT.GetType(TSizeX) != TAG_Short) ||
(a_NBT.GetType(TSizeY) != TAG_Short) ||
(a_NBT.GetType(TSizeZ) != TAG_Short)
)
{
LOG("Dimensions are missing from the schematic file (%d, %d, %d), (%d, %d, %d)",
TSizeX, TSizeY, TSizeZ,
a_NBT.GetType(TSizeX), a_NBT.GetType(TSizeY), a_NBT.GetType(TSizeZ)
);
return false;
}
int SizeX = a_NBT.GetShort(TSizeX);
int SizeY = a_NBT.GetShort(TSizeY);
int SizeZ = a_NBT.GetShort(TSizeZ);
if ((SizeX < 1) || (SizeY < 1) || (SizeZ < 1))
{
LOG("Dimensions are invalid in the schematic file: %d, %d, %d", SizeX, SizeY, SizeZ);
return false;
}
int TBlockTypes = a_NBT.FindChildByName(a_NBT.GetRoot(), "Blocks");
int TBlockMetas = a_NBT.FindChildByName(a_NBT.GetRoot(), "Data");
if ((TBlockTypes < 0) || (a_NBT.GetType(TBlockTypes) != TAG_ByteArray))
{
LOG("BlockTypes are invalid in the schematic file: %d", TBlockTypes);
return false;
}
bool AreMetasPresent = (TBlockMetas > 0) && (a_NBT.GetType(TBlockMetas) == TAG_ByteArray);
Clear();
SetSize(SizeX, SizeY, SizeZ, AreMetasPresent ? (baTypes | baMetas) : baTypes);
// Copy the block types and metas:
int NumBytes = m_SizeX * m_SizeY * m_SizeZ;
if (a_NBT.GetDataLength(TBlockTypes) < NumBytes)
{
LOG("BlockTypes truncated in the schematic file (exp %d, got %d bytes). Loading partial.",
NumBytes, a_NBT.GetDataLength(TBlockTypes)
);
NumBytes = a_NBT.GetDataLength(TBlockTypes);
}
memcpy(m_BlockTypes, a_NBT.GetData(TBlockTypes), NumBytes);
if (AreMetasPresent)
{
int NumBytes = m_SizeX * m_SizeY * m_SizeZ;
if (a_NBT.GetDataLength(TBlockMetas) < NumBytes)
{
LOG("BlockMetas truncated in the schematic file (exp %d, got %d bytes). Loading partial.",
NumBytes, a_NBT.GetDataLength(TBlockMetas)
);
NumBytes = a_NBT.GetDataLength(TBlockMetas);
}
memcpy(m_BlockMetas, a_NBT.GetData(TBlockMetas), NumBytes);
}
return true;
}
void cBlockArea::RelSetData(
int a_RelX, int a_RelY, int a_RelZ,
int a_DataTypes, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta,

18
src/BlockArea.h
View File

@ -15,14 +15,6 @@
#include "ForEachChunkProvider.h"
// fwd: FastNBT.h
class cParsedNBT;
// tolua_begin
class cBlockArea
{
@ -82,12 +74,6 @@ public:
/// For testing purposes only, dumps the area into a file.
void DumpToRawFile(const AString & a_FileName);
/// Loads an area from a .schematic file. Returns true if successful
bool LoadFromSchematicFile(const AString & a_FileName);
/// Saves the area into a .schematic file. Returns true if successful
bool SaveToSchematicFile(const AString & a_FileName);
/// Crops the internal contents by the specified amount of blocks from each border.
void Crop(int a_AddMinX, int a_SubMaxX, int a_AddMinY, int a_SubMaxY, int a_AddMinZ, int a_SubMaxZ);
@ -230,6 +216,7 @@ public:
protected:
friend class cChunkDesc;
friend class cSchematicFileSerializer;
class cChunkReader :
public cChunkDataCallback
@ -288,9 +275,6 @@ protected:
// Expand helpers:
void ExpandBlockTypes(int a_SubMinX, int a_AddMaxX, int a_SubMinY, int a_AddMaxY, int a_SubMinZ, int a_AddMaxZ);
void ExpandNibbles (NIBBLEARRAY & a_Array, int a_SubMinX, int a_AddMaxX, int a_SubMinY, int a_AddMaxY, int a_SubMinZ, int a_AddMaxZ);
/// Loads the area from a schematic file uncompressed and parsed into a NBT tree. Returns true if successful.
bool LoadFromSchematicNBT(cParsedNBT & a_NBT);
/// Sets the specified datatypes at the specified location.
void RelSetData(

155
src/WorldStorage/SchematicFileSerilizer.cpp Normal file
View File

@ -0,0 +1,155 @@
bool cSchematicFileSerializer::LoadFromSchematicFile(const AString & a_FileName)
{
// Un-GZip the contents:
AString Contents;
cGZipFile File;
if (!File.Open(a_FileName, cGZipFile::fmRead))
{
LOG("Cannot open the schematic file \"%s\".", a_FileName.c_str());
return false;
}
int NumBytesRead = File.ReadRestOfFile(Contents);
if (NumBytesRead < 0)
{
LOG("Cannot read GZipped data in the schematic file \"%s\", error %d", a_FileName.c_str(), NumBytesRead);
return false;
}
File.Close();
// Parse the NBT:
cParsedNBT NBT(Contents.data(), Contents.size());
if (!NBT.IsValid())
{
LOG("Cannot parse the NBT in the schematic file \"%s\".", a_FileName.c_str());
return false;
}
return LoadFromSchematicNBT(NBT);
}
bool cSchematicFileSerializer::SaveToSchematicFile(const AString & a_FileName)
{
cFastNBTWriter Writer("Schematic");
Writer.AddShort("Width", m_SizeX);
Writer.AddShort("Height", m_SizeY);
Writer.AddShort("Length", m_SizeZ);
Writer.AddString("Materials", "Alpha");
if (HasBlockTypes())
{
Writer.AddByteArray("Blocks", (const char *)m_BlockTypes, GetBlockCount());
}
else
{
AString Dummy(GetBlockCount(), 0);
Writer.AddByteArray("Blocks", Dummy.data(), Dummy.size());
}
if (HasBlockMetas())
{
Writer.AddByteArray("Data", (const char *)m_BlockMetas, GetBlockCount());
}
else
{
AString Dummy(GetBlockCount(), 0);
Writer.AddByteArray("Data", Dummy.data(), Dummy.size());
}
// TODO: Save entities and block entities
Writer.BeginList("Entities", TAG_Compound);
Writer.EndList();
Writer.BeginList("TileEntities", TAG_Compound);
Writer.EndList();
Writer.Finish();
// Save to file
cGZipFile File;
if (!File.Open(a_FileName, cGZipFile::fmWrite))
{
LOG("Cannot open file \"%s\" for writing.", a_FileName.c_str());
return false;
}
if (!File.Write(Writer.GetResult()))
{
LOG("Cannot write data to file \"%s\".", a_FileName.c_str());
return false;
}
return true;
}
bool cBlockArea::LoadFromSchematicNBT(cParsedNBT & a_NBT)
{
int TMaterials = a_NBT.FindChildByName(a_NBT.GetRoot(), "Materials");
if ((TMaterials > 0) && (a_NBT.GetType(TMaterials) == TAG_String))
{
AString Materials = a_NBT.GetString(TMaterials);
if (Materials.compare("Alpha") != 0)
{
LOG("Materials tag is present and \"%s\" instead of \"Alpha\". Possibly a wrong-format schematic file.", Materials.c_str());
return false;
}
}
int TSizeX = a_NBT.FindChildByName(a_NBT.GetRoot(), "Width");
int TSizeY = a_NBT.FindChildByName(a_NBT.GetRoot(), "Height");
int TSizeZ = a_NBT.FindChildByName(a_NBT.GetRoot(), "Length");
if (
(TSizeX < 0) || (TSizeY < 0) || (TSizeZ < 0) ||
(a_NBT.GetType(TSizeX) != TAG_Short) ||
(a_NBT.GetType(TSizeY) != TAG_Short) ||
(a_NBT.GetType(TSizeZ) != TAG_Short)
)
{
LOG("Dimensions are missing from the schematic file (%d, %d, %d), (%d, %d, %d)",
TSizeX, TSizeY, TSizeZ,
a_NBT.GetType(TSizeX), a_NBT.GetType(TSizeY), a_NBT.GetType(TSizeZ)
);
return false;
}
int SizeX = a_NBT.GetShort(TSizeX);
int SizeY = a_NBT.GetShort(TSizeY);
int SizeZ = a_NBT.GetShort(TSizeZ);
if ((SizeX < 1) || (SizeY < 1) || (SizeZ < 1))
{
LOG("Dimensions are invalid in the schematic file: %d, %d, %d", SizeX, SizeY, SizeZ);
return false;
}
int TBlockTypes = a_NBT.FindChildByName(a_NBT.GetRoot(), "Blocks");
int TBlockMetas = a_NBT.FindChildByName(a_NBT.GetRoot(), "Data");
if ((TBlockTypes < 0) || (a_NBT.GetType(TBlockTypes) != TAG_ByteArray))
{
LOG("BlockTypes are invalid in the schematic file: %d", TBlockTypes);
return false;
}
bool AreMetasPresent = (TBlockMetas > 0) && (a_NBT.GetType(TBlockMetas) == TAG_ByteArray);
Clear();
SetSize(SizeX, SizeY, SizeZ, AreMetasPresent ? (baTypes | baMetas) : baTypes);
// Copy the block types and metas:
int NumBytes = m_SizeX * m_SizeY * m_SizeZ;
if (a_NBT.GetDataLength(TBlockTypes) < NumBytes)
{
LOG("BlockTypes truncated in the schematic file (exp %d, got %d bytes). Loading partial.",
NumBytes, a_NBT.GetDataLength(TBlockTypes)
);
NumBytes = a_NBT.GetDataLength(TBlockTypes);
}
memcpy(m_BlockTypes, a_NBT.GetData(TBlockTypes), NumBytes);
if (AreMetasPresent)
{
int NumBytes = m_SizeX * m_SizeY * m_SizeZ;
if (a_NBT.GetDataLength(TBlockMetas) < NumBytes)
{
LOG("BlockMetas truncated in the schematic file (exp %d, got %d bytes). Loading partial.",
NumBytes, a_NBT.GetDataLength(TBlockMetas)
);
NumBytes = a_NBT.GetDataLength(TBlockMetas);
}
memcpy(m_BlockMetas, a_NBT.GetData(TBlockMetas), NumBytes);
}
return true;
}

20
src/WorldStorage/SchematicFileSerilizer.h Normal file
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@ -0,0 +1,20 @@
#include "../BlockArea.h"
// fwd: FastNBT.h
class cParsedNBT;
class cSchematicFileSerializer
{
public:
/// Loads an area from a .schematic file. Returns true if successful
static bool LoadFromSchematicFile(const AString & a_FileName);
/// Saves the area into a .schematic file. Returns true if successful
static bool SaveToSchematicFile(const AString & a_FileName);
private:
/// Loads the area from a schematic file uncompressed and parsed into a NBT tree. Returns true if successful.
static bool LoadFromSchematicNBT(cBlockArea& a_BlockArea, cParsedNBT & a_NBT);
};