From 4f09e8df6ecf20bd50573b7bf40c46f5ade21124 Mon Sep 17 00:00:00 2001 From: Tycho Date: Mon, 20 Jan 2014 09:59:12 -0800 Subject: Moved Schematic file methods to seperate class --- src/BlockArea.cpp | 159 +--------------------------- src/BlockArea.h | 18 +--- src/WorldStorage/SchematicFileSerilizer.cpp | 155 +++++++++++++++++++++++++++ src/WorldStorage/SchematicFileSerilizer.h | 20 ++++ 4 files changed, 177 insertions(+), 175 deletions(-) create mode 100644 src/WorldStorage/SchematicFileSerilizer.cpp create mode 100644 src/WorldStorage/SchematicFileSerilizer.h (limited to 'src') diff --git a/src/BlockArea.cpp b/src/BlockArea.cpp index c33d2712b..194e2d68a 100644 --- a/src/BlockArea.cpp +++ b/src/BlockArea.cpp @@ -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, diff --git a/src/BlockArea.h b/src/BlockArea.h index ae23c76c6..59bc0f241 100644 --- a/src/BlockArea.h +++ b/src/BlockArea.h @@ -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( diff --git a/src/WorldStorage/SchematicFileSerilizer.cpp b/src/WorldStorage/SchematicFileSerilizer.cpp new file mode 100644 index 000000000..bce0119ec --- /dev/null +++ b/src/WorldStorage/SchematicFileSerilizer.cpp @@ -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; +} + + diff --git a/src/WorldStorage/SchematicFileSerilizer.h b/src/WorldStorage/SchematicFileSerilizer.h new file mode 100644 index 000000000..b8a7162c6 --- /dev/null +++ b/src/WorldStorage/SchematicFileSerilizer.h @@ -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); +}; -- cgit v1.2.3