4 files changed, 177 insertions, 175 deletions

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);
+};