diff options
Diffstat (limited to 'src/WorldStorage')
| -rw-r--r-- | src/WorldStorage/SchematicFileSerializer.cpp | 134 | ||||
| -rw-r--r-- | src/WorldStorage/SchematicFileSerializer.h | 33 |
2 files changed, 135 insertions, 32 deletions
diff --git a/src/WorldStorage/SchematicFileSerializer.cpp b/src/WorldStorage/SchematicFileSerializer.cpp index 45fd967bd..a6ae8d8e0 100644 --- a/src/WorldStorage/SchematicFileSerializer.cpp +++ b/src/WorldStorage/SchematicFileSerializer.cpp @@ -1,10 +1,18 @@ +// SchematicFileSerializer.cpp + +// Implements the cSchematicFileSerializer class representing the interface to load and save cBlockArea to a .schematic file + #include "Globals.h" #include "OSSupport/GZipFile.h" #include "FastNBT.h" - #include "SchematicFileSerializer.h" +#include "../StringCompression.h" + + + + bool cSchematicFileSerializer::LoadFromSchematicFile(cBlockArea & a_BlockArea, const AString & a_FileName) { @@ -40,48 +48,51 @@ bool cSchematicFileSerializer::LoadFromSchematicFile(cBlockArea & a_BlockArea, c -bool cSchematicFileSerializer::SaveToSchematicFile(cBlockArea & a_BlockArea, const AString & a_FileName) +bool cSchematicFileSerializer::LoadFromSchematicString(cBlockArea & a_BlockArea, const AString & a_SchematicData) { - cFastNBTWriter Writer("Schematic"); - Writer.AddShort("Width", a_BlockArea.m_SizeX); - Writer.AddShort("Height", a_BlockArea.m_SizeY); - Writer.AddShort("Length", a_BlockArea.m_SizeZ); - Writer.AddString("Materials", "Alpha"); - if (a_BlockArea.HasBlockTypes()) + // Uncompress the data: + AString UngzippedData; + if (UncompressStringGZIP(a_SchematicData.data(), a_SchematicData.size(), UngzippedData) != Z_OK) { - Writer.AddByteArray("Blocks", (const char *)a_BlockArea.m_BlockTypes, a_BlockArea.GetBlockCount()); - } - else - { - AString Dummy(a_BlockArea.GetBlockCount(), 0); - Writer.AddByteArray("Blocks", Dummy.data(), Dummy.size()); + LOG("%s: Cannot unGZip the schematic data.", __FUNCTION__); + return false; } - if (a_BlockArea.HasBlockMetas()) + + // Parse the NBT: + cParsedNBT NBT(UngzippedData.data(), UngzippedData.size()); + if (!NBT.IsValid()) { - Writer.AddByteArray("Data", (const char *)a_BlockArea.m_BlockMetas, a_BlockArea.GetBlockCount()); + LOG("%s: Cannot parse the NBT in the schematic data.", __FUNCTION__); + return false; } - else + + return LoadFromSchematicNBT(a_BlockArea, NBT); +} + + + + + +bool cSchematicFileSerializer::SaveToSchematicFile(const cBlockArea & a_BlockArea, const AString & a_FileName) +{ + // Serialize into NBT data: + AString NBT = SaveToSchematicNBT(a_BlockArea); + if (NBT.empty()) { - AString Dummy(a_BlockArea.GetBlockCount(), 0); - Writer.AddByteArray("Data", Dummy.data(), Dummy.size()); + LOG("%s: Cannot serialize the area into an NBT representation for file \"%s\".", __FUNCTION__, a_FileName.c_str()); + return false; } - // 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()); + LOG("%s: Cannot open file \"%s\" for writing.", __FUNCTION__, a_FileName.c_str()); return false; } - if (!File.Write(Writer.GetResult())) + if (!File.Write(NBT)) { - LOG("Cannot write data to file \"%s\".", a_FileName.c_str()); + LOG("%s: Cannot write data to file \"%s\".", __FUNCTION__, a_FileName.c_str()); return false; } return true; @@ -92,6 +103,31 @@ bool cSchematicFileSerializer::SaveToSchematicFile(cBlockArea & a_BlockArea, con +AString cSchematicFileSerializer::SaveToSchematicString(const cBlockArea & a_BlockArea) +{ + // Serialize into NBT data: + AString NBT = SaveToSchematicNBT(a_BlockArea); + if (NBT.empty()) + { + LOG("%s: Cannot serialize the area into an NBT representation.", __FUNCTION__); + return false; + } + + // Gzip the data: + AString Compressed; + int res = CompressStringGZIP(NBT.data(), NBT.size(), Compressed); + if (res != Z_OK) + { + LOG("%s: Cannot Gzip the area data NBT representation: %d", __FUNCTION__, res); + return false; + } + return Compressed; +} + + + + + bool cSchematicFileSerializer::LoadFromSchematicNBT(cBlockArea & a_BlockArea, cParsedNBT & a_NBT) { int TMaterials = a_NBT.FindChildByName(a_NBT.GetRoot(), "Materials"); @@ -170,3 +206,45 @@ bool cSchematicFileSerializer::LoadFromSchematicNBT(cBlockArea & a_BlockArea, cP } + + + +AString cSchematicFileSerializer::SaveToSchematicNBT(const cBlockArea & a_BlockArea) +{ + cFastNBTWriter Writer("Schematic"); + Writer.AddShort("Width", a_BlockArea.m_SizeX); + Writer.AddShort("Height", a_BlockArea.m_SizeY); + Writer.AddShort("Length", a_BlockArea.m_SizeZ); + Writer.AddString("Materials", "Alpha"); + if (a_BlockArea.HasBlockTypes()) + { + Writer.AddByteArray("Blocks", (const char *)a_BlockArea.m_BlockTypes, a_BlockArea.GetBlockCount()); + } + else + { + AString Dummy(a_BlockArea.GetBlockCount(), 0); + Writer.AddByteArray("Blocks", Dummy.data(), Dummy.size()); + } + if (a_BlockArea.HasBlockMetas()) + { + Writer.AddByteArray("Data", (const char *)a_BlockArea.m_BlockMetas, a_BlockArea.GetBlockCount()); + } + else + { + AString Dummy(a_BlockArea.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(); + + return Writer.GetResult(); +} + + + + diff --git a/src/WorldStorage/SchematicFileSerializer.h b/src/WorldStorage/SchematicFileSerializer.h index 9be2e5b57..f6ce1c16c 100644 --- a/src/WorldStorage/SchematicFileSerializer.h +++ b/src/WorldStorage/SchematicFileSerializer.h @@ -1,4 +1,12 @@ +// SchematicFileSerializer.h + +// Declares the cSchematicFileSerializer class representing the interface to load and save cBlockArea to a .schematic file + + + + + #pragma once #include "../BlockArea.h" @@ -13,17 +21,34 @@ class cParsedNBT; + class cSchematicFileSerializer { public: - /// Loads an area from a .schematic file. Returns true if successful + /** Loads an area from a .schematic file. Returns true if successful. */ static bool LoadFromSchematicFile(cBlockArea & a_BlockArea, const AString & a_FileName); - /// Saves the area into a .schematic file. Returns true if successful - static bool SaveToSchematicFile(cBlockArea & a_BlockArea, const AString & a_FileName); + /** Loads an area from a string containing the .schematic file data. Returns true if successful. */ + static bool LoadFromSchematicString(cBlockArea & a_BlockArea, const AString & a_SchematicData); + + /** Saves the area into a .schematic file. Returns true if successful. */ + static bool SaveToSchematicFile(const cBlockArea & a_BlockArea, const AString & a_FileName); + + /** Saves the area into a string containing the .schematic file data. + Returns the data, or empty string if failed. */ + static AString SaveToSchematicString(const cBlockArea & a_BlockArea); private: - /// Loads the area from a schematic file uncompressed and parsed into a NBT tree. Returns true if successful. + /** 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); + + /** Saves the area into a NBT representation and returns the NBT data as a string. + Returns an empty string if failed. */ + static AString SaveToSchematicNBT(const cBlockArea & a_BlockArea); }; + + + + |