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authorTycho <work.tycho+git@gmail.com>2014-01-20 18:59:12 +0100
committerTycho <work.tycho+git@gmail.com>2014-01-20 18:59:12 +0100
commit4f09e8df6ecf20bd50573b7bf40c46f5ade21124 (patch)
tree202fa43fe7b8ef492439183759cb85c46ffeb75c /src/WorldStorage/SchematicFileSerilizer.cpp
parentMerge branch 'ForEachChunkProvider' into GeneratingBenchmark (diff)
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Diffstat (limited to 'src/WorldStorage/SchematicFileSerilizer.cpp')
-rw-r--r--src/WorldStorage/SchematicFileSerilizer.cpp155
1 files changed, 155 insertions, 0 deletions
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;
+}
+
+