10 files changed, 3588 insertions, 5 deletions

diff --git a/src/Generating/ChunkDesc.cpp b/src/Generating/ChunkDesc.cpp
index 308fbe423..7711723fc 100644
--- a/src/Generating/ChunkDesc.cpp
+++ b/src/Generating/ChunkDesc.cpp
@@ -343,9 +343,9 @@ void cChunkDesc::ReadBlockArea(cBlockArea & a_Dest, int a_MinRelX, int a_MaxRelX
 	int SizeY = a_MaxRelY - a_MinRelY;
 	int SizeZ = a_MaxRelZ - a_MinRelZ;
 	a_Dest.Clear();
-	a_Dest.m_OriginX = m_ChunkX * cChunkDef::Width + a_MinRelX;
-	a_Dest.m_OriginY = a_MinRelY;
-	a_Dest.m_OriginZ = m_ChunkZ * cChunkDef::Width + a_MinRelZ;
+	a_Dest.m_Origin.x = m_ChunkX * cChunkDef::Width + a_MinRelX;
+	a_Dest.m_Origin.y = a_MinRelY;
+	a_Dest.m_Origin.z = m_ChunkZ * cChunkDef::Width + a_MinRelZ;
 	a_Dest.SetSize(SizeX, SizeY, SizeZ, cBlockArea::baTypes | cBlockArea::baMetas);
 
 	for (int y = 0; y < SizeY; y++)
diff --git a/src/Generating/ComposableGenerator.cpp b/src/Generating/ComposableGenerator.cpp
index 6c00b5905..2e886336f 100644
--- a/src/Generating/ComposableGenerator.cpp
+++ b/src/Generating/ComposableGenerator.cpp
@@ -21,6 +21,7 @@
 #include "DistortedHeightmap.h"
 #include "EndGen.h"
 #include "MineShafts.h"
+#include "NetherFortGen.h"
 #include "Noise3DGenerator.h"
 #include "POCPieceGenerator.h"
 #include "Ravines.h"
@@ -191,9 +192,11 @@ void cComposableGenerator::DoGenerate(int a_ChunkX, int a_ChunkZ, cChunkDesc & a
 		m_HeightGen->GenHeightMap(a_ChunkX, a_ChunkZ, a_ChunkDesc.GetHeightMap());
 	}
 	
+	bool ShouldUpdateHeightmap = false;
 	if (a_ChunkDesc.IsUsingDefaultComposition())
 	{
 		m_CompositionGen->ComposeTerrain(a_ChunkDesc);
+		ShouldUpdateHeightmap = true;
 	}
 
 	if (a_ChunkDesc.IsUsingDefaultFinish())
@@ -202,6 +205,12 @@ void cComposableGenerator::DoGenerate(int a_ChunkX, int a_ChunkZ, cChunkDesc & a
 		{
 			(*itr)->GenFinish(a_ChunkDesc);
 		}  // for itr - m_FinishGens[]
+		ShouldUpdateHeightmap = true;
+	}
+	
+	if (ShouldUpdateHeightmap)
+	{
+		a_ChunkDesc.UpdateHeightmap();
 	}
 }
 
@@ -349,7 +358,7 @@ void cComposableGenerator::InitFinishGens(cIniFile & a_IniFile)
 			int ChanceCrossing  = a_IniFile.GetValueSetI("Generator", "MineShaftsChanceCrossing",  200);
 			int ChanceStaircase = a_IniFile.GetValueSetI("Generator", "MineShaftsChanceStaircase", 200);
 			m_FinishGens.push_back(new cStructGenMineShafts(
-				Seed, GridSize, MaxSystemSize, 
+				Seed, GridSize, MaxSystemSize,
 				ChanceCorridor, ChanceCrossing, ChanceStaircase
 			));
 		}
@@ -361,6 +370,12 @@ void cComposableGenerator::InitFinishGens(cIniFile & a_IniFile)
 		{
 			m_FinishGens.push_back(new cFinishGenNetherClumpFoliage(Seed));
 		}
+		else if (NoCaseCompare(*itr, "NetherForts") == 0)
+		{
+			int GridSize = a_IniFile.GetValueSetI("Generator", "NetherFortsGridSize", 512);
+			int MaxDepth = a_IniFile.GetValueSetI("Generator", "NetherFortsMaxDepth", 12);
+			m_FinishGens.push_back(new cNetherFortGen(Seed, GridSize, MaxDepth));
+		}
 		else if (NoCaseCompare(*itr, "OreNests") == 0)
 		{
 			m_FinishGens.push_back(new cStructGenOreNests(Seed));
diff --git a/src/Generating/MineShafts.cpp b/src/Generating/MineShafts.cpp
index 28dc37567..231295c3f 100644
--- a/src/Generating/MineShafts.cpp
+++ b/src/Generating/MineShafts.cpp
@@ -1340,7 +1340,7 @@ void cStructGenMineShafts::GetMineShaftSystemsForChunk(
 	BaseX -= NEIGHBORHOOD_SIZE / 2;
 	BaseZ -= NEIGHBORHOOD_SIZE / 2;
 
-	// Walk the cache, move each cave system that we want into a_Caves:
+	// Walk the cache, move each cave system that we want into a_Mineshafts:
 	int StartX = BaseX * m_GridSize;
 	int EndX = (BaseX + NEIGHBORHOOD_SIZE + 1) * m_GridSize;
 	int StartZ = BaseZ * m_GridSize;
diff --git a/src/Generating/NetherFortGen.cpp b/src/Generating/NetherFortGen.cpp
new file mode 100644
index 000000000..02779a8a3
--- /dev/null
+++ b/src/Generating/NetherFortGen.cpp
@@ -0,0 +1,275 @@
+
+// NetherFortGen.cpp
+
+// Implements the cNetherFortGen class representing the nether fortress generator
+
+#include "Globals.h"
+#include "NetherFortGen.h"
+#include "Prefabs/NetherFortPrefabs.h"
+
+
+
+
+
+static const int NEIGHBORHOOD_SIZE = 3;
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cNetherFortGen::cNetherFort:
+
+class cNetherFortGen::cNetherFort
+{
+public:
+	cNetherFortGen & m_ParentGen;
+	int m_BlockX, m_BlockZ;
+	int m_GridSize;
+	int m_Seed;
+	cPlacedPieces m_Pieces;
+
+
+	cNetherFort(cNetherFortGen & a_ParentGen, int a_BlockX, int a_BlockZ, int a_GridSize, int a_MaxDepth, int a_Seed) :
+		m_ParentGen(a_ParentGen),
+		m_BlockX(a_BlockX),
+		m_BlockZ(a_BlockZ),
+		m_GridSize(a_GridSize),
+		m_Seed(a_Seed)
+	{
+		// TODO: Proper Y-coord placement
+		int BlockY = 64;
+		
+		// Generate pieces:
+		for (int i = 0; m_Pieces.size() < (size_t)(a_MaxDepth * a_MaxDepth / 8 + a_MaxDepth); i++)
+		{
+			cBFSPieceGenerator pg(m_ParentGen, a_Seed + i);
+			pg.PlacePieces(a_BlockX, BlockY, a_BlockZ, a_MaxDepth, m_Pieces);
+		}
+	}
+
+	
+	~cNetherFort()
+	{
+		cPieceGenerator::FreePieces(m_Pieces);
+	}
+	
+		
+	/** Carves the system into the chunk data */
+	void ProcessChunk(cChunkDesc & a_Chunk)
+	{
+		for (cPlacedPieces::const_iterator itr = m_Pieces.begin(), end = m_Pieces.end(); itr != end; ++itr)
+		{
+			const cPrefab & Prefab = (const cPrefab &)((*itr)->GetPiece());
+			Prefab.Draw(a_Chunk, *itr);
+		}  // for itr - m_PlacedPieces[]
+	}
+};
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cNetherFortGen:
+
+cNetherFortGen::cNetherFortGen(int a_Seed, int a_GridSize, int a_MaxDepth) :
+	m_Seed(a_Seed),
+	m_Noise(a_Seed),
+	m_GridSize(a_GridSize),
+	m_MaxDepth(a_MaxDepth)
+{
+	// Initialize the prefabs:
+	for (size_t i = 0; i < g_NetherFortPrefabs1Count; i++)
+	{
+		cPrefab * Prefab = new cPrefab(g_NetherFortPrefabs1[i]);
+		m_AllPieces.push_back(Prefab);
+		if (Prefab->HasConnectorType(0))
+		{
+			m_OuterPieces.push_back(Prefab);
+		}
+		if (Prefab->HasConnectorType(1))
+		{
+			m_InnerPieces.push_back(Prefab);
+		}
+	}
+	
+	// Initialize the starting piece prefabs:
+	for (size_t i = 0; i < g_NetherFortStartingPrefabs1Count; i++)
+	{
+		m_StartingPieces.push_back(new cPrefab(g_NetherFortStartingPrefabs1[i]));
+	}
+
+	// DEBUG: Try one round of placement:
+	cPlacedPieces Pieces;
+	cBFSPieceGenerator pg(*this, a_Seed);
+	pg.PlacePieces(0, 64, 0, a_MaxDepth, Pieces);
+}
+
+
+
+
+
+cNetherFortGen::~cNetherFortGen()
+{
+	ClearCache();
+	for (cPieces::iterator itr = m_AllPieces.begin(), end = m_AllPieces.end(); itr != end; ++itr)
+	{
+		delete *itr;
+	}  // for itr - m_AllPieces[]
+	m_AllPieces.clear();
+}
+
+
+
+
+
+void cNetherFortGen::ClearCache(void)
+{
+	// TODO
+}
+
+
+
+
+
+void cNetherFortGen::GetFortsForChunk(int a_ChunkX, int a_ChunkZ, cNetherForts & a_Forts)
+{
+	int BaseX = a_ChunkX * cChunkDef::Width / m_GridSize;
+	int BaseZ = a_ChunkZ * cChunkDef::Width / m_GridSize;
+	if (BaseX < 0)
+	{
+		--BaseX;
+	}
+	if (BaseZ < 0)
+	{
+		--BaseZ;
+	}
+	BaseX -= NEIGHBORHOOD_SIZE / 2;
+	BaseZ -= NEIGHBORHOOD_SIZE / 2;
+
+	// Walk the cache, move each cave system that we want into a_Forts:
+	int StartX = BaseX * m_GridSize;
+	int EndX = (BaseX + NEIGHBORHOOD_SIZE + 1) * m_GridSize;
+	int StartZ = BaseZ * m_GridSize;
+	int EndZ = (BaseZ + NEIGHBORHOOD_SIZE + 1) * m_GridSize;
+	for (cNetherForts::iterator itr = m_Cache.begin(), end = m_Cache.end(); itr != end;)
+	{
+		if (
+			((*itr)->m_BlockX >= StartX) && ((*itr)->m_BlockX < EndX) &&
+			((*itr)->m_BlockZ >= StartZ) && ((*itr)->m_BlockZ < EndZ)
+		)
+		{
+			// want
+			a_Forts.push_back(*itr);
+			itr = m_Cache.erase(itr);
+		}
+		else
+		{
+			// don't want
+			++itr;
+		}
+	}  // for itr - m_Cache[]
+
+	// Create those forts that haven't been in the cache:
+	for (int x = 0; x < NEIGHBORHOOD_SIZE; x++)
+	{
+		int RealX = (BaseX + x) * m_GridSize;
+		for (int z = 0; z < NEIGHBORHOOD_SIZE; z++)
+		{
+			int RealZ = (BaseZ + z) * m_GridSize;
+			bool Found = false;
+			for (cNetherForts::const_iterator itr = a_Forts.begin(), end = a_Forts.end(); itr != end; ++itr)
+			{
+				if (((*itr)->m_BlockX == RealX) && ((*itr)->m_BlockZ == RealZ))
+				{
+					Found = true;
+					break;
+				}
+			}  // for itr - a_Mineshafts
+			if (!Found)
+			{
+				a_Forts.push_back(new cNetherFort(*this, RealX, RealZ, m_GridSize, m_MaxDepth, m_Seed));
+			}
+		}  // for z
+	}  // for x
+
+	// Copy a_Forts into m_Cache to the beginning:
+	cNetherForts FortsCopy (a_Forts);
+	m_Cache.splice(m_Cache.begin(), FortsCopy, FortsCopy.begin(), FortsCopy.end());
+
+	// Trim the cache if it's too long:
+	if (m_Cache.size() > 100)
+	{
+		cNetherForts::iterator itr = m_Cache.begin();
+		std::advance(itr, 100);
+		for (cNetherForts::iterator end = m_Cache.end(); itr != end; ++itr)
+		{
+			delete *itr;
+		}
+		itr = m_Cache.begin();
+		std::advance(itr, 100);
+		m_Cache.erase(itr, m_Cache.end());
+	}
+}
+
+
+
+
+
+void cNetherFortGen::GenFinish(cChunkDesc & a_ChunkDesc)
+{
+	int ChunkX = a_ChunkDesc.GetChunkX();
+	int ChunkZ = a_ChunkDesc.GetChunkZ();
+	cNetherForts Forts;
+	GetFortsForChunk(ChunkX, ChunkZ, Forts);
+	for (cNetherForts::const_iterator itr = Forts.begin(); itr != Forts.end(); ++itr)
+	{
+		(*itr)->ProcessChunk(a_ChunkDesc);
+	}  // for itr - Forts[]
+}
+
+
+
+
+
+cPieces cNetherFortGen::GetPiecesWithConnector(int a_ConnectorType)
+{
+	switch (a_ConnectorType)
+	{
+		case 0: return m_OuterPieces;
+		case 1: return m_InnerPieces;
+		default: return cPieces();
+	}
+}
+
+
+
+
+
+cPieces cNetherFortGen::GetStartingPieces(void)
+{
+	return m_StartingPieces;
+}
+
+
+
+
+
+void cNetherFortGen::PiecePlaced(const cPiece & a_Piece)
+{
+	UNUSED(a_Piece);
+}
+
+
+
+
+
+void cNetherFortGen::Reset(void)
+{
+	// Nothing needed
+}
+
+
+
+
diff --git a/src/Generating/NetherFortGen.h b/src/Generating/NetherFortGen.h
new file mode 100644
index 000000000..10ba01396
--- /dev/null
+++ b/src/Generating/NetherFortGen.h
@@ -0,0 +1,86 @@
+
+// NetherFortGen.h
+
+// Declares the cNetherFortGen class representing the nether fortress generator
+
+
+
+
+
+#pragma once
+
+#include "ComposableGenerator.h"
+#include "PieceGenerator.h"
+
+
+
+
+
+class cNetherFortGen :
+	public cFinishGen,
+	public cPiecePool
+{
+public:
+	cNetherFortGen(int a_Seed, int a_GridSize, int a_MaxDepth);
+	
+	virtual ~cNetherFortGen();
+	
+protected:
+	class cNetherFort;  // fwd: NetherFortGen.cpp
+	typedef std::list<cNetherFort *> cNetherForts;
+	
+	
+	/** The seed used for generating*/
+	int m_Seed;
+	
+	/** The noise used for generating */
+	cNoise m_Noise;
+	
+	/** Average spacing between the fortresses*/
+	int m_GridSize;
+	
+	/** Maximum depth of the piece-generator tree */
+	int m_MaxDepth;
+
+	/** Cache of the most recently used systems. MoveToFront used. */
+	cNetherForts m_Cache;
+	
+	/** All the pieces that are allowed for building.
+	This is the list that's used for memory allocation and deallocation for the pieces. */
+	cPieces m_AllPieces;
+	
+	/** The pieces that are used as starting pieces.
+	This list is not shared and the pieces need deallocation. */
+	cPieces m_StartingPieces;
+	
+	/** The pieces that have an "outer" connector.
+	The pieces are copies out of m_AllPieces and shouldn't be ever delete-d. */
+	cPieces m_OuterPieces;
+
+	/** The pieces that have an "inner" connector.
+	The pieces are copies out of m_AllPieces and shouldn't be ever delete-d. */
+	cPieces m_InnerPieces;
+
+
+	/** Clears everything from the cache.
+	Also invalidates the forst returned by GetFortsForChunk(). */
+	void ClearCache(void);
+	
+	/** Returns all forts that *may* intersect the given chunk.
+	The returned forts live within m_Cache.They are valid until the next call
+	to this function (which may delete some of the pointers).	*/
+	void GetFortsForChunk(int a_ChunkX, int a_ChunkZ, cNetherForts & a_Forts);
+
+	// cFinishGen overrides:
+	virtual void GenFinish(cChunkDesc & a_ChunkDesc) override;
+	
+	// cPiecePool overrides:
+	virtual cPieces GetPiecesWithConnector(int a_ConnectorType) override;
+	virtual cPieces GetStartingPieces(void) override;
+	virtual void PiecePlaced(const cPiece & a_Piece) override;
+	virtual void Reset(void) override;
+} ;
+
+
+
+
diff --git a/src/Generating/Prefab.cpp b/src/Generating/Prefab.cpp
new file mode 100644
index 000000000..131b6acb2
--- /dev/null
+++ b/src/Generating/Prefab.cpp
@@ -0,0 +1,316 @@
+
+// Prefab.cpp
+
+/*
+Implements the cPrefab class, representing a cPiece descendant for the cPieceGenerator that
+uses a prefabricate in a cBlockArea for drawing itself.
+*/
+
+#include "Globals.h"
+#include "Prefab.h"
+#include "../WorldStorage/SchematicFileSerializer.h"
+#include "ChunkDesc.h"
+
+
+
+
+
+#ifdef SELF_TEST
+
+// Create one static prefab to test the parser:
+static const cPrefab::sDef g_TestPrefabDef =
+{
+	// Size:
+	7, 6, 7,  // SizeX = 7, SizeY = 6, SizeZ = 7
+
+	// Block definitions:
+	".:  0: 0\n"  /* 0 */
+	"a:112: 0\n"  /* netherbrick */
+	"b:113: 0\n"  /* netherbrickfence */,
+
+	// Block data:
+	// Level 1
+	"aaaaaaa"
+	"aaaaaaa"
+	"aaaaaaa"
+	"aaaaaaa"
+	"aaaaaaa"
+	"aaaaaaa"
+	"aaaaaaa"
+
+	// Level 2
+	"aa...aa"
+	"a.....a"
+	"......."
+	"......."
+	"......."
+	"a.....a"
+	"aa...aa"
+
+	// Level 3
+	"aa...aa"
+	"a.....a"
+	"......."
+	"......."
+	"......."
+	"a.....a"
+	"aa...aa"
+
+	// Level 4
+	"aa...aa"
+	"a.....a"
+	"......."
+	"......."
+	"......."
+	"a.....a"
+	"aa...aa"
+
+	// Level 5
+	"aabbbaa"
+	"a.....a"
+	"b.....b"
+	"b.....b"
+	"b.....b"
+	"a.....a"
+	"aabbbaa"
+
+	// Level 6
+	"aaaaaaa"
+	"a.....a"
+	"a.....a"
+	"a.....a"
+	"a.....a"
+	"a.....a"
+	"aaaaaaa",
+	
+	// Connections:
+	"0: 0, 3, 2: 4\n"
+	"0: 2, 3, 0: 2\n",
+	
+	// AllowedRotations:
+	7,  /* 1, 2, 3 CCW rotations */
+	
+	// Merge strategy:
+	cBlockArea::msImprint
+};
+
+static cPrefab g_TestPrefab(g_TestPrefabDef);
+#endif
+
+
+
+
+
+cPrefab::cPrefab(const cPrefab::sDef & a_Def) :
+	m_Size(a_Def.m_SizeX, a_Def.m_SizeY, a_Def.m_SizeZ),
+	m_HitBox(0, 0, 0, a_Def.m_SizeX - 1, a_Def.m_SizeY - 1, a_Def.m_SizeZ - 1),
+	m_AllowedRotations(a_Def.m_AllowedRotations),
+	m_MergeStrategy(a_Def.m_MergeStrategy)
+{
+	m_BlockArea[0].Create(m_Size);
+	CharMap cm;
+	ParseCharMap(cm, a_Def.m_CharMap);
+	ParseBlockImage(cm, a_Def.m_Image);
+	ParseConnectors(a_Def.m_Connectors);
+	
+	// 1 CCW rotation:
+	if ((m_AllowedRotations & 0x01) != 0)
+	{
+		m_BlockArea[1].CopyFrom(m_BlockArea[0]);
+		m_BlockArea[1].RotateCCW();
+	}
+	
+	// 2 rotations are the same as mirroring twice; mirroring is faster because it has no reallocations
+	if ((m_AllowedRotations & 0x02) != 0)
+	{
+		m_BlockArea[2].CopyFrom(m_BlockArea[0]);
+		m_BlockArea[2].MirrorXY();
+		m_BlockArea[2].MirrorYZ();
+	}	
+	
+	// 3 CCW rotations = 1 CW rotation:
+	if ((m_AllowedRotations & 0x04) != 0)
+	{
+		m_BlockArea[3].CopyFrom(m_BlockArea[0]);
+		m_BlockArea[3].RotateCW();
+	}
+}
+
+
+
+
+
+void cPrefab::Draw(cChunkDesc & a_Dest, const cPlacedPiece * a_Placement) const
+{
+	Vector3i Placement = a_Placement->GetCoords();
+	int ChunkStartX = a_Dest.GetChunkX() * cChunkDef::Width;
+	int ChunkStartZ = a_Dest.GetChunkZ() * cChunkDef::Width;
+	Placement.Move(-ChunkStartX, 0, -ChunkStartZ);
+	a_Dest.WriteBlockArea(m_BlockArea[a_Placement->GetNumCCWRotations()], Placement.x, Placement.y, Placement.z, m_MergeStrategy);
+	
+}
+
+
+
+
+
+bool cPrefab::HasConnectorType(int a_ConnectorType) const
+{
+	for (cConnectors::const_iterator itr = m_Connectors.begin(), end = m_Connectors.end(); itr != end; ++itr)
+	{
+		if (itr->m_Type == a_ConnectorType)
+		{
+			return true;
+		}
+	}  // for itr - m_Connectors[]
+	return false;
+}
+
+
+
+
+
+void cPrefab::ParseCharMap(CharMap & a_CharMapOut, const char * a_CharMapDef)
+{
+	ASSERT(a_CharMapDef != NULL);
+	
+	// Initialize the charmap to all-invalid values:
+	for (size_t i = 0; i < ARRAYCOUNT(a_CharMapOut); i++)
+	{
+		a_CharMapOut[i].m_BlockType = 0;
+		a_CharMapOut[i].m_BlockMeta = 16;  // Mark unassigned entries with a meta that is impossible otherwise
+	}
+	
+	// Process the lines in the definition:
+	AStringVector Lines = StringSplitAndTrim(a_CharMapDef, "\n");
+	for (AStringVector::const_iterator itr = Lines.begin(), end = Lines.end(); itr != end; ++itr)
+	{
+		AStringVector CharDef = StringSplitAndTrim(*itr, ":");
+		size_t NumElements = CharDef.size();
+		if ((NumElements < 2) || CharDef[0].empty() || CharDef[1].empty())
+		{
+			LOGWARNING("Bad prefab CharMap definition line: \"%s\", skipping.", itr->c_str());
+			continue;
+		}
+		unsigned char Src = (unsigned char)CharDef[0][0];
+		ASSERT(a_CharMapOut[Src].m_BlockMeta == 16);  // This letter has not been assigned yet?
+		a_CharMapOut[Src].m_BlockType = (BLOCKTYPE)atoi(CharDef[1].c_str());
+		NIBBLETYPE BlockMeta = 0;
+		if ((NumElements >= 3) && !CharDef[2].empty())
+		{
+			BlockMeta = (NIBBLETYPE)atoi(CharDef[2].c_str());
+			ASSERT((BlockMeta >= 0) && (BlockMeta <= 15));
+		}
+		a_CharMapOut[Src].m_BlockMeta = BlockMeta;
+	}  // for itr - Lines[]
+}
+
+
+
+
+
+void cPrefab::ParseBlockImage(const CharMap & a_CharMap, const char * a_BlockImage)
+{
+	// Map each letter in the a_BlockImage (from the in-source definition) to real blocktype / blockmeta:
+	for (int y = 0; y < m_Size.y; y++)
+	{
+		for (int z = 0; z < m_Size.z; z++)
+		{
+			const unsigned char * BlockImage = (const unsigned char *)a_BlockImage + y * m_Size.x * m_Size.z + z * m_Size.x;
+			for (int x = 0; x < m_Size.x; x++)
+			{
+				const sBlockTypeDef & MappedValue = a_CharMap[BlockImage[x]];
+				ASSERT(MappedValue.m_BlockMeta != 16);  // Using a letter not defined in the CharMap?
+				m_BlockArea[0].SetRelBlockTypeMeta(x, y, z, MappedValue.m_BlockType, MappedValue.m_BlockMeta);
+			}
+		}
+	}
+}
+
+
+
+
+
+void cPrefab::ParseConnectors(const char * a_ConnectorsDef)
+{
+	ASSERT(a_ConnectorsDef != NULL);
+	
+	AStringVector Lines = StringSplitAndTrim(a_ConnectorsDef, "\n");
+	for (AStringVector::const_iterator itr = Lines.begin(), end = Lines.end(); itr != end; ++itr)
+	{
+		if (itr->empty())
+		{
+			continue;
+		}
+		// Split into components: "Type: X, Y, Z: Face":
+		AStringVector Defs = StringSplitAndTrim(*itr, ":");
+		if (Defs.size() != 3)
+		{
+			LOGWARNING("Bad prefab Connector definition line: \"%s\", skipping.", itr->c_str());
+			continue;
+		}
+		AStringVector Coords = StringSplitAndTrim(Defs[1], ",");
+		if (Coords.size() != 3)
+		{
+			LOGWARNING("Bad prefab Connector coords definition: \"%s\", skipping.", Defs[1].c_str());
+			continue;
+		}
+		
+		// Check that the BlockFace is within range:
+		int BlockFace = atoi(Defs[2].c_str());
+		if ((BlockFace < 0) || (BlockFace >= 6))
+		{
+			LOGWARNING("Bad prefab Connector Blockface: \"%s\", skipping.", Defs[2].c_str());
+			continue;
+		}
+
+		// Add the connector:
+		m_Connectors.push_back(cPiece::cConnector(
+			atoi(Coords[0].c_str()), atoi(Coords[1].c_str()), atoi(Coords[2].c_str()),  // Connector pos
+			atoi(Defs[0].c_str()),  // Connector type
+			(eBlockFace)BlockFace
+		));
+	}  // for itr - Lines[]
+}
+
+
+
+
+
+cPiece::cConnectors cPrefab::GetConnectors(void) const
+{
+	return m_Connectors;
+}
+
+
+
+
+
+Vector3i cPrefab::GetSize(void) const
+{
+	return m_Size;
+}
+
+
+
+
+
+cCuboid cPrefab::GetHitBox(void) const
+{
+	return m_HitBox;
+}
+
+
+
+
+
+bool cPrefab::CanRotateCCW(int a_NumRotations) const
+{
+	// Either zero rotations
+	// Or the proper bit in m_AllowedRotations is set
+	return (a_NumRotations == 0) || ((m_AllowedRotations & (1 << ((a_NumRotations + 3) % 4))) != 0);
+}
+
+
+
+
diff --git a/src/Generating/Prefab.h b/src/Generating/Prefab.h
new file mode 100644
index 000000000..04c4f09da
--- /dev/null
+++ b/src/Generating/Prefab.h
@@ -0,0 +1,105 @@
+
+// Prefab.h
+
+/*
+Declares the cPrefab class, representing a cPiece descendant for the cPieceGenerator that
+uses a prefabricate in a cBlockArea for drawing itself.
+The class can be constructed from data that is stored directly in the executable, in a sPrefabDef structure
+declared in this file as well; the Gallery server exports areas in this format.
+*/
+
+
+
+
+
+#pragma once
+
+#include "PieceGenerator.h"
+#include "../BlockArea.h"
+
+
+
+
+
+// fwd:
+class cChunkDesc;
+
+
+
+
+
+class cPrefab :
+	public cPiece
+{
+public:
+	struct sDef
+	{
+		int m_SizeX;
+		int m_SizeY;
+		int m_SizeZ;
+		const char * m_CharMap;
+		const char * m_Image;
+		const char * m_Connectors;
+		int m_AllowedRotations;
+		cBlockArea::eMergeStrategy m_MergeStrategy;
+	};
+	
+	cPrefab(const sDef & a_Def);
+	
+	/** Draws the prefab into the specified chunk, according to the placement stored in the PlacedPiece. */
+	void Draw(cChunkDesc & a_Dest, const cPlacedPiece * a_Placement) const;
+	
+	/** Returns true if the prefab has any connector of the specified type. */
+	bool HasConnectorType(int a_ConnectorType) const;
+
+protected:
+	/** Packs complete definition of a single block, for per-letter assignment. */
+	struct sBlockTypeDef
+	{
+		BLOCKTYPE  m_BlockType;
+		NIBBLETYPE m_BlockMeta;
+	};
+	
+	/** Maps letters in the sDef::m_Image onto a number, BlockType * 16 | BlockMeta */
+	typedef sBlockTypeDef CharMap[256];
+	
+	
+	/** The cBlockArea that contains the block definitions for the prefab.
+	The index identifies the number of CCW rotations applied (0 = no rotation, 1 = 1 CCW rotation, ...). */
+	cBlockArea m_BlockArea[4];
+	
+	/** The size of the prefab */
+	Vector3i m_Size;
+	
+	/** The hitbox of the prefab. In first version is the same as the m_BlockArea dimensions */
+	cCuboid m_HitBox;
+	
+	/** The connectors through which the piece connects to other pieces */
+	cConnectors m_Connectors;
+	
+	/** Bitmask, bit N set -> N rotations CCW supported */
+	int m_AllowedRotations;
+	
+	/** The merge strategy to use when drawing the prefab into a block area */
+	cBlockArea::eMergeStrategy m_MergeStrategy;
+	
+	
+	// cPiece overrides:	
+	virtual cConnectors GetConnectors(void) const override;
+	virtual Vector3i GetSize(void) const override;
+	virtual cCuboid GetHitBox(void) const override;
+	virtual bool CanRotateCCW(int a_NumRotations) const override;
+	
+	/** Parses the CharMap in the definition into a CharMap binary data used for translating the definition into BlockArea. */
+	void ParseCharMap(CharMap & a_CharMapOut, const char * a_CharMapDef);
+	
+	/** Parses the Image in the definition into m_BlockArea[0]'s block types and metas, using the specified CharMap. */
+	void ParseBlockImage(const CharMap & a_CharMap, const char * a_BlockImage);
+	
+	/** Parses the connectors definition text into m_Connectors member. */
+	void ParseConnectors(const char * a_ConnectorsDef);
+};
+
+
+
+
diff --git a/src/Generating/Prefabs/CMakeLists.txt b/src/Generating/Prefabs/CMakeLists.txt
new file mode 100644
index 000000000..1e60447e7
--- /dev/null
+++ b/src/Generating/Prefabs/CMakeLists.txt
@@ -0,0 +1,13 @@
+
+cmake_minimum_required (VERSION 2.6)
+project (MCServer)
+
+include_directories ("${PROJECT_SOURCE_DIR}/../../")
+
+file(GLOB SOURCE
+    "*.cpp"
+)
+
+add_library(Generating_Prefabs ${SOURCE})
+
+target_link_libraries(Generating_Prefabs OSSupport iniFile Blocks)
diff --git a/src/Generating/Prefabs/NetherFortPrefabs.cpp b/src/Generating/Prefabs/NetherFortPrefabs.cpp
new file mode 100644
index 000000000..5e8685e32
--- /dev/null
+++ b/src/Generating/Prefabs/NetherFortPrefabs.cpp
@@ -0,0 +1,2758 @@
+
+// NetherFortPrefabs.cpp
+
+// Defines all the prefabs for nether forts
+
+#include "Globals.h"
+#include "NetherFortPrefabs.h"
+
+
+
+
+
+/*
+The nether fortress has two types of connectors, Outer and Inner. Outer is Type 0, Inner is Type 1.
+*/
+
+
+
+
+
+const cPrefab::sDef g_NetherFortPrefabs1[] =
+{
+	///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+	// BalconyCorridor:
+	// The data has been exported from gallery Nether, area index 37, ID 288
+	{
+		// Size:
+		13, 7, 9,  // SizeX = 13, SizeY = 7, SizeZ = 9
+
+		// Block definitions:
+		"a:112: 0\n"  /* netherbrick */
+		"b: 19: 0\n"  /* sponge */
+		"c:114: 4\n"  /* netherbrickstairs */
+		"d:114: 7\n"  /* netherbrickstairs */
+		"e:114: 5\n"  /* netherbrickstairs */
+		"f: 44: 6\n"  /* step */
+		"g:113: 0\n"  /* netherbrickfence */
+		"h:114: 2\n"  /* netherbrickstairs */
+		"i:114: 3\n"  /* netherbrickstairs */
+		"j:114: 0\n"  /* netherbrickstairs */
+		"k:114: 1\n"  /* netherbrickstairs */
+		".:  0: 0\n"  /* air */,
+
+		// Block data:
+		// Level 1
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"bbbbaaaaabbbb"
+		"bbbbbbbbbbbbb"
+		"bbbbbbbbbbbbb"
+		"bbbbbbbbbbbbb"
+
+		// Level 2
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaa.aaa.aaaa"
+		"bbcdaaaaadebb"
+		"bbbcdddddebbb"
+		"bbbbbbbbbbbbb"
+		"bbbbbbbbbbbbb"
+
+		// Level 3
+		"aaaaaaaaaaaaa"
+		"............."
+		"............."
+		"............."
+		"aaaa.fff.aaaa"
+		"bbaaaaaaaaabb"
+		"bbaaaaaaaaabb"
+		"bbaaaaaaaaabb"
+		"bbaaaaaaaaabb"
+
+		// Level 4
+		"agagagagagaga"
+		"............."
+		"............."
+		"............."
+		"agaa.....aaga"
+		"bbaaa...aaabb"
+		"bbg.......gbb"
+		"bbg.......gbb"
+		"bbgggggggggbb"
+
+		// Level 5
+		"agagagagagaga"
+		"............."
+		"............."
+		"............."
+		"agaa.....aaga"
+		"bbaaa...aaabb"
+		"bb.........bb"
+		"bb.........bb"
+		"bb.........bb"
+
+		// Level 6
+		"agagagagagaga"
+		"............."
+		"............."
+		"............."
+		"agaa.....aaga"
+		"bbaaa...aaabb"
+		"bb.........bb"
+		"bb.........bb"
+		"bb.........bb"
+
+		// Level 7
+		"hhhhhhhhhhhhh"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"iijaaaaaaaiii"
+		"bbjiiiiiiikbb"
+		"bbbbbbbbbbbbb"
+		"bbbbbbbbbbbbb"
+		"bbbbbbbbbbbbb",
+		
+		// Connections:
+		"1:  0, 2, 2: 4\n"  /* Type 1, BLOCK_FACE_XM */
+		"1: 12, 2, 2: 5\n"  /* Type 1, BLOCK_FACE_XP */,
+		
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // BalconyCorridor
+
+
+	///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+	// BalconyTee2:
+	// The data has been exported from gallery Nether, area index 38, ID 289
+	{
+		// Size:
+		13, 7, 11,  // SizeX = 13, SizeY = 7, SizeZ = 11
+
+		// Block definitions:
+		"a: 19: 0\n"  /* sponge */
+		"b:112: 0\n"  /* netherbrick */
+		"c:114: 4\n"  /* netherbrickstairs */
+		"d:114: 7\n"  /* netherbrickstairs */
+		"e:114: 5\n"  /* netherbrickstairs */
+		"f: 44: 6\n"  /* step */
+		"g:113: 0\n"  /* netherbrickfence */
+		"h:114: 0\n"  /* netherbrickstairs */
+		"i:114: 1\n"  /* netherbrickstairs */
+		"j:114: 2\n"  /* netherbrickstairs */
+		"k:114: 3\n"  /* netherbrickstairs */
+		".:  0: 0\n"  /* air */,
+
+		// Block data:
+		// Level 1
+		"aaaabbbbbaaaa"
+		"aaaabbbbbaaaa"
+		"bbbbbbbbbbbbb"
+		"bbbbbbbbbbbbb"
+		"bbbbbbbbbbbbb"
+		"bbbbbbbbbbbbb"
+		"bbbbbbbbbbbbb"
+		"aaaabbbbbaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+
+		// Level 2
+		"aaaabbbbbaaaa"
+		"aaaabbbbbaaaa"
+		"bbbbbbbbbbbbb"
+		"bbbbbbbbbbbbb"
+		"bbbbbbbbbbbbb"
+		"bbbbbbbbbbbbb"
+		"bbbb.bbb.bbbb"
+		"aacdbbbbbdeaa"
+		"aaacdddddeaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+
+		// Level 3
+		"aaaab...baaaa"
+		"aaaab...baaaa"
+		"bbbbb...bbbbb"
+		"............."
+		"............."
+		"............."
+		"bbbb.fff.bbbb"
+		"aabbbbbbbbbaa"
+		"aabbbbbbbbbaa"
+		"aabbbbbbbbbaa"
+		"aabbbbbbbbbaa"
+
+		// Level 4
+		"aaaab...baaaa"
+		"aaaag...gaaaa"
+		"bgbgb...bgbgb"
+		"............."
+		"............."
+		"............."
+		"bgbb.....bbgb"
+		"aabbb...bbbaa"
+		"aag.......gaa"
+		"aag.......gaa"
+		"aagggggggggaa"
+
+		// Level 5
+		"aaaab...baaaa"
+		"aaaag...gaaaa"
+		"bgbgb...bgbgb"
+		"............."
+		"............."
+		"............."
+		"bgbb.....bbgb"
+		"aabbb...bbbaa"
+		"aa.........aa"
+		"aa.........aa"
+		"aa.........aa"
+
+		// Level 6
+		"aaaab...baaaa"
+		"aaaag...gaaaa"
+		"bgbgb...bgbgb"
+		"............."
+		"............."
+		"............."
+		"bgbb.....bbgb"
+		"aabbb...bbbaa"
+		"aa.........aa"
+		"aa.........aa"
+		"aa.........aa"
+
+		// Level 7
+		"aaaahbbbiaaaa"
+		"aaaahbbbiaaaa"
+		"jjjjjbbbjjjjj"
+		"bbbbbbbbbbbbb"
+		"bbbbbbbbbbbbb"
+		"bbbbbbbbbbbbb"
+		"kkhbbbbbbbkkk"
+		"aahkkkkkkkiaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa",
+		
+		// Connections:
+		"1:  0, 2, 4: 4\n"  /* Type 1, BLOCK_FACE_XM */
+		"1: 12, 2, 4: 5\n"  /* Type 1, BLOCK_FACE_XP */
+		"1:  6, 2, 0: 2\n"  /* Type 1, BLOCK_FACE_ZM */,
+		
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // BalconyTee2
+
+
+	///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+	// BlazePlatform
+	// The data has been exported from gallery Nether, area index 26, ID 276
+	{
+		// Size:
+		10, 7, 7,  // SizeX = 10, SizeY = 7, SizeZ = 7
+
+		// Block definitions:
+		".:  0: 0\n"  /* air */
+		"a:112: 0\n"  /* netherbrick */
+		"b: 52: 0\n"  /* mobspawner */
+		"c:113: 0\n"  /* netherbrickfence */,
+
+		// Block data:
+		// Level 1
+		".........."
+		"aaaaaaaaaa"
+		"aaaaaaaaaa"
+		"aaaaaaaaaa"
+		"aaaaaaaaaa"
+		"aaaaaaaaaa"
+		".........."
+
+		// Level 2
+		".........."
+		"aaaaaaaaaa"
+		"..aaaaaaaa"
+		"..aaaaaaaa"
+		"..aaaaaaaa"
+		"aaaaaaaaaa"
+		".........."
+
+		// Level 3
+		"....aaaaaa"
+		"aaaaaaaaaa"
+		"...aaaaaaa"
+		"...aaaaaaa"
+		"...aaaaaaa"
+		"aaaaaaaaaa"
+		"....aaaaaa"
+
+		// Level 4
+		"....aaaaaa"
+		"..aaa....a"
+		".........a"
+		"......b..a"
+		".........a"
+		"..aaa....a"
+		"....aaaaaa"
+
+		// Level 5
+		"....cccccc"
+		"...cc....c"
+		".........c"
+		".........c"
+		".........c"
+		"...cc....c"
+		"....cccccc"
+
+		// Level 6
+		".........."
+		".........c"
+		".........c"
+		".........c"
+		".........c"
+		".........c"
+		".........."
+
+		// Level 7
+		".........."
+		".........."
+		".........c"
+		".........c"
+		".........c"
+		".........."
+		"..........",
+
+		// Connections:
+		"0:  0, 1, 3: 4\n"  /* Type 0, BLOCK_FACE_XM */,
+		
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // BlazePlatform
+
+
+	///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+	// BlazePlatformOverhang:
+	// The data has been exported from gallery Nether, area index 20, ID 162
+	{
+		// Size:
+		14, 9, 7,  // SizeX = 14, SizeY = 9, SizeZ = 7
+
+		// Block definitions:
+		".:  0: 0\n"  /* air */
+		"a:112: 0\n"  /* netherbrick */
+		"b:114: 5\n"  /* netherbrickstairs */
+		"c: 44:14\n"  /* step */
+		"d:114: 6\n"  /* netherbrickstairs */
+		"e:114: 7\n"  /* netherbrickstairs */
+		"f:114: 0\n"  /* netherbrickstairs */
+		"g:114: 4\n"  /* netherbrickstairs */
+		"h:113: 0\n"  /* netherbrickfence */
+		"i: 52: 0\n"  /* mobspawner */
+		"m: 19: 0\n"  /* sponge */,
+
+		// Block data:
+		// Level 1
+		"mmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmm"
+		"aammmmmmmmmmmm"
+		"aammmmmmmmmmmm"
+		"aammmmmmmmmmmm"
+		"mmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmm"
+
+		// Level 2
+		"mmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmm"
+		"aabcmmmmmmmmmm"
+		"aabcmmmmmmmmmm"
+		"aabcmmmmmmmmmm"
+		"mmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmm"
+
+		// Level 3
+		"mmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmm"
+		"aaaaabmmmmmmmm"
+		"aaaaabmmmmmmmm"
+		"aaaaabmmmmmmmm"
+		"mmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmm"
+
+		// Level 4
+		"mmmmmmmmmmmmmm"
+		"dddddddmmmmmmm"
+		"aaaaaabmmmmmmm"
+		"aaaaaabmmmmmmm"
+		"aaaaaabmmmmmmm"
+		"eeeeeeemmmmmmm"
+		"mmmmmmmmmmmmmm"
+
+		// Level 5
+		"mmmmmmmmmmmmmm"
+		"aaaaaaadmmmmmm"
+		"aaaaaaabmmmmmm"
+		"aaaaaaabmmmmmm"
+		"aaaaaaabmmmmmm"
+		"aaaaaaaemmmmmm"
+		"mmmmmmmmmmmmmm"
+
+		// Level 6
+		"mmmmmmmmmmmmmm"
+		"aaaaaaaabddddm"
+		"......faaaaabm"
+		"......faaaaabm"
+		"......faaaaabm"
+		"aaaaaaaaabeebm"
+		"mmmmmmmmmmmmmm"
+
+		// Level 7
+		"mmmmmmmmgdddbm"
+		"......aaaaaaad"
+		".......faaaaab"
+		".......faaaaab"
+		".......faaaaab"
+		"......aaaaaaae"
+		"mmmmmmmmgeeebm"
+
+		// Level 8
+		"mmmmmmmmaaaaam"
+		"......haa...aa"
+		".............a"
+		"..........i..a"
+		".............a"
+		"......haa...aa"
+		"mmmmmmmmaaaaam"
+
+		// Level 9
+		"mmmmmmmmhhhhhm"
+		"......hhh...hh"
+		".............h"
+		".............h"
+		".............h"
+		"......hhh...hh"
+		"mmmmmmmmhhhhhm",
+
+		// Connections:
+		"0:  0, 5, 3: 4\n"  /* Type 0, BLOCK_FACE_XM */,
+
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // BlazePlatformOverhang
+
+
+	///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+	// BridgeCrossing:
+	// The data has been exported from gallery Nether, area index 17, ID 159
+	{
+		// Size:
+		15, 8, 15,  // SizeX = 15, SizeY = 8, SizeZ = 15
+
+		// Block definitions:
+		".:  0: 0\n"  /* air */
+		"a:112: 0\n"  /* netherbrick */
+		"b:114: 7\n"  /* netherbrickstairs */
+		"c:114: 5\n"  /* netherbrickstairs */
+		"d:114: 4\n"  /* netherbrickstairs */
+		"e:114: 6\n"  /* netherbrickstairs */
+		"f: 44:14\n"  /* step */
+		"m: 19: 0\n"  /* sponge */,
+
+		// Block data:
+		// Level 1
+		"mmmmmmaaammmmmm"
+		"mmmmmmaaammmmmm"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmmm"
+		"aammmmmmmmmmmaa"
+		"aammmmmmmmmmmaa"
+		"aammmmmmmmmmmaa"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmaaammmmmm"
+		"mmmmmmaaammmmmm"
+
+		// Level 2
+		"mmmmmmaaammmmmm"
+		"mmmmmmaaammmmmm"
+		"mmmmmmbbbmmmmmm"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmmm"
+		"aacmmmmmmmmmdaa"
+		"aacmmmmmmmmmdaa"
+		"aacmmmmmmmmmdaa"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmeeemmmmmm"
+		"mmmmmmaaammmmmm"
+		"mmmmmmaaammmmmm"
+
+		// Level 3
+		"mmmmmmaaammmmmm"
+		"mmmmmmaaammmmmm"
+		"mmmmmmaaammmmmm"
+		"mmmmmmbbbmmmmmm"
+		"mmmmmmfffmmmmmm"
+		"mmmmmmmmmmmmmmm"
+		"aaacfmmmmmfdaaa"
+		"aaacfmmmmmfdaaa"
+		"aaacfmmmmmfdaaa"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmfffmmmmmm"
+		"mmmmmmeeemmmmmm"
+		"mmmmmmaaammmmmm"
+		"mmmmmmaaammmmmm"
+		"mmmmmmaaammmmmm"
+
+		// Level 4
+		"mmmmmdaaacmmmmm"
+		"mmmmmdaaacmmmmm"
+		"mmmmmdaaacmmmmm"
+		"mmmmmdaaacmmmmm"
+		"mmmmmdaaacmmmmm"
+		"eeeeeeaaaeeeeee"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"bbbbbdaaacbbbbb"
+		"mmmmmdaaacmmmmm"
+		"mmmmmdaaacmmmmm"
+		"mmmmmdaaacmmmmm"
+		"mmmmmdaaacmmmmm"
+		"mmmmmdaaacmmmmm"
+
+		// Level 5
+		"mmmmmaaaaammmmm"
+		"mmmmmaaaaammmmm"
+		"mmmmmaaaaammmmm"
+		"mmmmmaaaaammmmm"
+		"mmmmmaaaaammmmm"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"mmmmmaaaaammmmm"
+		"mmmmmaaaaammmmm"
+		"mmmmmaaaaammmmm"
+		"mmmmmaaaaammmmm"
+		"mmmmmaaaaammmmm"
+
+		// Level 6
+		"mmmmma...ammmmm"
+		"mmmmma...ammmmm"
+		"mmmmma...ammmmm"
+		"mmmmma...ammmmm"
+		"mmmmma...ammmmm"
+		"aaaaaa...aaaaaa"
+		"..............."
+		"..............."
+		"..............."
+		"aaaaaa...aaaaaa"
+		"mmmmma...ammmmm"
+		"mmmmma...ammmmm"
+		"mmmmma...ammmmm"
+		"mmmmma...ammmmm"
+		"mmmmma...ammmmm"
+
+		// Level 7
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"..............."
+		"..............."
+		"..............."
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+
+		// Level 8
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"..............."
+		"..............."
+		"..............."
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm",
+		
+		// Connections:
+		"0:  0, 5,  7: 4\n"  /* Type 0, BLOCK_FACE_XM */
+		"0:  7, 5,  0: 2\n"  /* Type 0, BLOCK_FACE_ZM */
+		"0: 14, 5,  7: 5\n"  /* Type 0, BLOCK_FACE_XP */
+		"0:  7, 5, 14: 3\n"  /* Type 0, BLOCK_FACE_ZP */,
+
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // BridgeCrossing
+
+
+	///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+	// BridgeCrumble1:
+	// The data has been exported from gallery Nether, area index 19, ID 161
+	{
+		// Size:
+		9, 6, 5,  // SizeX = 9, SizeY = 6, SizeZ = 5
+
+		// Block definitions:
+		".: 19: 0\n"  /* sponge */
+		"a:112: 0\n"  /* netherbrick */
+		"b:114: 5\n"  /* netherbrickstairs */
+		"c: 44:14\n"  /* step */
+		"d:114: 6\n"  /* netherbrickstairs */
+		"e:114: 7\n"  /* netherbrickstairs */,
+
+		// Block data:
+		// Level 1
+		"........."
+		"aa......."
+		"aa......."
+		"aa......."
+		"........."
+
+		// Level 2
+		"........."
+		"aab......"
+		"aab......"
+		"aab......"
+		"........."
+
+		// Level 3
+		"........."
+		"aaabc...."
+		"aaabc...."
+		"aaabc...."
+		"........."
+
+		// Level 4
+		"ddddddd.."
+		"aaaaaaaa."
+		"aaaaaaaaa"
+		"aaaaaaa.."
+		"eeeee...."
+
+		// Level 5
+		"aaaaaaaaa"
+		"aaaaa...."
+		"aaaaaa..."
+		"aaaaaa..."
+		"aaaaaaaa."
+
+		// Level 6
+		"aaaaaa..."
+		"........."
+		"........."
+		"........."
+		"aaaaaaa..",
+
+		// Connections:
+		"0:  0, 5, 2: 4\n"  /* Type 0, BLOCK_FACE_XM */,
+
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // BridgeCrumble1
+
+
+	///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+	// BridgeCrumble2
+	// The data has been exported from gallery Nether, area index 18, ID 160
+	{
+		// Size:
+		13, 6, 5,  // SizeX = 13, SizeY = 6, SizeZ = 5
+
+		// Block definitions:
+		".: 19: 0\n"  /* sponge */
+		"a:112: 0\n"  /* netherbrick */
+		"b:114: 5\n"  /* netherbrickstairs */
+		"c: 44:14\n"  /* step */
+		"d:114: 6\n"  /* netherbrickstairs */
+		"e:114: 7\n"  /* netherbrickstairs */,
+
+		// Block data:
+		// Level 1
+		"............."
+		"aa..........."
+		"aa..........."
+		"aa..........."
+		"............."
+
+		// Level 2
+		"............."
+		"aab.........."
+		"aab.........."
+		"aab.........."
+		"............."
+
+		// Level 3
+		"............."
+		"aaabc........"
+		"aaabc........"
+		"aaabc........"
+		"............."
+
+		// Level 4
+		"ddddddddd...."
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaa...."
+		"aaaaaaaaaaaa."
+		"eeeeeeeee...."
+
+		// Level 5
+		"aaaaaaaaaaaa."
+		"aaaaaaaaaa..."
+		"aaaaaaaaaaa.."
+		"aaaaaaaaa...."
+		"aaaaaaaaaaaaa"
+
+		// Level 6
+		"aaaaaaaaa...."
+		"............."
+		"............."
+		"............."
+		"aaaaaaaaaa...",
+
+		// Connections:
+		"0:  0, 5, 2: 4\n"  /* Type 0, BLOCK_FACE_XM */,
+
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // BridgeCrumble2
+
+
+	///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+	// BridgeSegment:
+	// The data has been exported from gallery Nether, area index 16, ID 158
+	{
+		// Size:
+		15, 8, 5,  // SizeX = 15, SizeY = 8, SizeZ = 5
+
+		// Block definitions:
+		".:  0: 0\n"  /* air */
+		"a:112: 0\n"  /* netherbrick */
+		"b:114: 5\n"  /* netherbrickstairs */
+		"c:114: 4\n"  /* netherbrickstairs */
+		"d: 44:14\n"  /* step */
+		"e:114: 6\n"  /* netherbrickstairs */
+		"f:114: 7\n"  /* netherbrickstairs */
+		"m: 19: 0\n"  /* sponge */,
+
+		// Block data:
+		// Level 1
+		"mmmmmmmmmmmmmmm"
+		"aammmmmmmmmmmaa"
+		"aammmmmmmmmmmaa"
+		"aammmmmmmmmmmaa"
+		"mmmmmmmmmmmmmmm"
+
+		// Level 2
+		"mmmmmmmmmmmmmmm"
+		"aabmmmmmmmmmcaa"
+		"aabmmmmmmmmmcaa"
+		"aabmmmmmmmmmcaa"
+		"mmmmmmmmmmmmmmm"
+
+		// Level 3
+		"mmmmmmmmmmmmmmm"
+		"aaabdmmmmmdcaaa"
+		"aaabdmmmmmdcaaa"
+		"aaabdmmmmmdcaaa"
+		"mmmmmmmmmmmmmmm"
+
+		// Level 4
+		"eeeeeeeeeeeeeee"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"fffffffffffffff"
+
+		// Level 5
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+
+		// Level 6
+		"aaaaaaaaaaaaaaa"
+		"..............."
+		"..............."
+		"..............."
+		"aaaaaaaaaaaaaaa"
+
+		// Level 7
+		"mmmmmmmmmmmmmmm"
+		"..............."
+		"..............."
+		"..............."
+		"mmmmmmmmmmmmmmm"
+
+		// Level 8
+		"mmmmmmmmmmmmmmm"
+		"..............."
+		"..............."
+		"..............."
+		"mmmmmmmmmmmmmmm",
+
+		// Connections:
+		"0:  0, 5, 2: 4\n"  /* Type 0, BLOCK_FACE_XM */
+		"0: 14, 5, 2: 5\n"  /* Type 0, BLOCK_FACE_XP */,
+
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // BridgeSegment
+
+
+	// BridgeTee:
+	// The data has been exported from gallery Nether, area index 39, ID 290
+	{
+		// Size:
+		15, 8, 10,  // SizeX = 15, SizeY = 8, SizeZ = 10
+
+		// Block definitions:
+		".:  0: 0\n"  /* air */
+		"a:112: 0\n"  /* netherbrick */
+		"b:114: 5\n"  /* netherbrickstairs */
+		"c:114: 4\n"  /* netherbrickstairs */
+		"d:114: 6\n"  /* netherbrickstairs */
+		"e: 44:14\n"  /* step */
+		"f:114: 7\n"  /* netherbrickstairs */
+		"m: 19: 0\n"  /* sponge */,
+
+		// Block data:
+		// Level 1
+		"mmmmmmmmmmmmmmm"
+		"aammmmmmmmmmmaa"
+		"aammmmmmmmmmmaa"
+		"aammmmmmmmmmmaa"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmaaammmmmm"
+		"mmmmmmaaammmmmm"
+
+		// Level 2
+		"mmmmmmmmmmmmmmm"
+		"aabmmmmmmmmmcaa"
+		"aabmmmmmmmmmcaa"
+		"aabmmmmmmmmmcaa"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmdddmmmmmm"
+		"mmmmmmaaammmmmm"
+		"mmmmmmaaammmmmm"
+
+		// Level 3
+		"mmmmmmmmmmmmmmm"
+		"aaabemmmmmecaaa"
+		"aaabemmmmmecaaa"
+		"aaabemmmmmecaaa"
+		"mmmmmmmmmmmmmmm"
+		"mmmmmmeeemmmmmm"
+		"mmmmmmdddmmmmmm"
+		"mmmmmmaaammmmmm"
+		"mmmmmmaaammmmmm"
+		"mmmmmmaaammmmmm"
+
+		// Level 4
+		"ddddddddddddddd"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"fffffcaaabfffff"
+		"mmmmmcaaabmmmmm"
+		"mmmmmcaaabmmmmm"
+		"mmmmmcaaabmmmmm"
+		"mmmmmcaaabmmmmm"
+		"mmmmmcaaabmmmmm"
+
+		// Level 5
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"mmmmmaaaaammmmm"
+		"mmmmmaaaaammmmm"
+		"mmmmmaaaaammmmm"
+		"mmmmmaaaaammmmm"
+		"mmmmmaaaaammmmm"
+
+		// Level 6
+		"aaaaaaaaaaaaaaa"
+		"..............."
+		"..............."
+		"..............."
+		"aaaaaa...aaaaaa"
+		"mmmmma...ammmmm"
+		"mmmmma...ammmmm"
+		"mmmmma...ammmmm"
+		"mmmmma...ammmmm"
+		"mmmmma...ammmmm"
+
+		// Level 7
+		"mmmmmmmmmmmmmmm"
+		"..............."
+		"..............."
+		"..............."
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+
+		// Level 8
+		"mmmmmmmmmmmmmmm"
+		"..............."
+		"..............."
+		"..............."
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm"
+		"mmmmmm...mmmmmm",
+
+		// Connections:
+		"0:  0, 5, 2: 4\n"  /* Type 0, BLOCK_FACE_XM */
+		"0: 14, 5, 2: 5\n"  /* Type 0, BLOCK_FACE_XP */
+		"0:  7, 5, 9: 3\n"  /* Type 0, BLOCK_FACE_ZP */,
+
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // BridgeTee
+
+
+	// Corridor11:
+	// The data has been exported from gallery Nether, area index 36, ID 287
+	{
+		// Size:
+		11, 6, 5,  // SizeX = 11, SizeY = 6, SizeZ = 5
+
+		// Block definitions:
+		".:  0: 0\n"  /* air */
+		"a:112: 0\n"  /* netherbrick */
+		"b:113: 0\n"  /* netherbrickfence */
+		"c:114: 2\n"  /* netherbrickstairs */
+		"d:114: 3\n"  /* netherbrickstairs */,
+
+		// Block data:
+		// Level 1
+		"aaaaaaaaaaa"
+		"aaaaaaaaaaa"
+		"aaaaaaaaaaa"
+		"aaaaaaaaaaa"
+		"aaaaaaaaaaa"
+
+		// Level 2
+		"aaaaaaaaaaa"
+		"..........."
+		"..........."
+		"..........."
+		"aaaaaaaaaaa"
+
+		// Level 3
+		"abababababa"
+		"..........."
+		"..........."
+		"..........."
+		"abababababa"
+
+		// Level 4
+		"abababababa"
+		"..........."
+		"..........."
+		"..........."
+		"abababababa"
+
+		// Level 5
+		"abababababa"
+		"..........."
+		"..........."
+		"..........."
+		"abababababa"
+
+		// Level 6
+		"ccccccccccc"
+		"aaaaaaaaaaa"
+		"aaaaaaaaaaa"
+		"aaaaaaaaaaa"
+		"ddddddddddd",
+
+		// Connections:
+		"1:  0, 1, 2: 4\n"  /* Type 1, BLOCK_FACE_XM */
+		"1: 10, 1, 2: 5\n"  /* Type 1, BLOCK_FACE_XP */,
+
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // Corridor11
+
+
+	///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+	// Corridor13:
+	// The data has been exported from gallery Nether, area index 35, ID 286
+	{
+		// Size:
+		13, 6, 5,  // SizeX = 13, SizeY = 6, SizeZ = 5
+
+		// Block definitions:
+		"a:112: 0\n"  /* netherbrick */
+		".:  0: 0\n"  /* air */
+		"c:113: 0\n"  /* netherbrickfence */
+		"d:114: 2\n"  /* netherbrickstairs */
+		"e:114: 3\n"  /* netherbrickstairs */,
+
+		// Block data:
+		// Level 1
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+
+		// Level 2
+		"aaaaaaaaaaaaa"
+		"............."
+		"............."
+		"............."
+		"aaaaaaaaaaaaa"
+
+		// Level 3
+		"acacacacacaca"
+		"............."
+		"............."
+		"............."
+		"acacacacacaca"
+
+		// Level 4
+		"acacacacacaca"
+		"............."
+		"............."
+		"............."
+		"acacacacacaca"
+
+		// Level 5
+		"acacacacacaca"
+		"............."
+		"............."
+		"............."
+		"acacacacacaca"
+
+		// Level 6
+		"ddddddddddddd"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"eeeeeeeeeeeee",
+		
+		// Connections:
+		"1:  0, 1, 2: 4\n"  /* Type 1, BLOCK_FACE_XM */
+		"1: 12, 1, 2: 5\n"  /* Type 1, BLOCK_FACE_XP */,
+		
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // Corridor13
+
+
+	// CorridorCorner5:
+	// The data has been exported from gallery Nether, area index 10, ID 40
+	{
+		// Size:
+		11, 6, 11,  // SizeX = 11, SizeY = 6, SizeZ = 11
+
+		// Block definitions:
+		".:  0: 0\n"  /* air */
+		"a:112: 0\n"  /* netherbrick */
+		"b:113: 0\n"  /* netherbrickfence */
+		"c:114: 2\n"  /* netherbrickstairs */
+		"d:114: 0\n"  /* netherbrickstairs */
+		"e:114: 3\n"  /* netherbrickstairs */
+		"f:114: 1\n"  /* netherbrickstairs */
+		"m: 19: 0\n"  /* sponge */,
+
+		// Block data:
+		// Level 1
+		"aaaaaaaaaaa"
+		"aaaaaaaaaaa"
+		"aaaaaaaaaaa"
+		"aaaaaaaaaaa"
+		"aaaaaaaaaaa"
+		"aaaaammmmmm"
+		"aaaaammmmmm"
+		"aaaaammmmmm"
+		"aaaaammmmmm"
+		"aaaaammmmmm"
+		"aaaaammmmmm"
+
+		// Level 2
+		"aaaaaaaaaaa"
+		"a.........."
+		"a.........."
+		"a.........."
+		"a...aaaaaaa"
+		"a...ammmmmm"
+		"a...ammmmmm"
+		"a...ammmmmm"
+		"a...ammmmmm"
+		"a...ammmmmm"
+		"a...ammmmmm"
+
+		// Level 3
+		"abababababa"
+		"b.........."
+		"a.........."
+		"b.........."
+		"a...abababa"
+		"b...bmmmmmm"
+		"a...ammmmmm"
+		"b...bmmmmmm"
+		"a...ammmmmm"
+		"b...bmmmmmm"
+		"a...ammmmmm"
+
+		// Level 4
+		"abababababa"
+		"b.........."
+		"a.........."
+		"b.........."
+		"a...abababa"
+		"b...bmmmmmm"
+		"a...ammmmmm"
+		"b...bmmmmmm"
+		"a...ammmmmm"
+		"b...bmmmmmm"
+		"a...ammmmmm"
+
+		// Level 5
+		"abababababa"
+		"b.........."
+		"a.........."
+		"b.........."
+		"a...abababa"
+		"b...bmmmmmm"
+		"a...ammmmmm"
+		"b...bmmmmmm"
+		"a...ammmmmm"
+		"b...bmmmmmm"
+		"a...ammmmmm"
+
+		// Level 6
+		"ccccccccccc"
+		"daaaaaaaaaa"
+		"daaaaaaaaaa"
+		"daaaaaaaaaa"
+		"daaaeeeeeee"
+		"daaafmmmmmm"
+		"daaafmmmmmm"
+		"daaafmmmmmm"
+		"daaafmmmmmm"
+		"daaafmmmmmm"
+		"daaafmmmmmm",
+		
+		// Connections:
+		"1: 10, 1,  2: 5\n"  /* Type 1, BLOCK_FACE_XP */
+		"1:  2, 1, 10: 3\n"  /* Type 1, BLOCK_FACE_ZP */,
+
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // CorridorCorner5
+
+
+	// CorridorCorner5:
+	// The data has been exported from gallery Nether, area index 10, ID 40
+	{
+		// Size:
+		11, 6, 11,  // SizeX = 11, SizeY = 6, SizeZ = 11
+
+		// Block definitions:
+		".:  0: 0\n"  /* air */
+		"a:112: 0\n"  /* netherbrick */
+		"b:113: 0\n"  /* netherbrickfence */
+		"c:114: 2\n"  /* netherbrickstairs */
+		"d:114: 0\n"  /* netherbrickstairs */
+		"e:114: 3\n"  /* netherbrickstairs */
+		"f:114: 1\n"  /* netherbrickstairs */
+		"g: 54: 5\n"  /* chest */
+		"m: 19: 0\n"  /* sponge */,
+
+		// Block data:
+		// Level 1
+		"aaaaaaaaaaa"
+		"aaaaaaaaaaa"
+		"aaaaaaaaaaa"
+		"aaaaaaaaaaa"
+		"aaaaaaaaaaa"
+		"aaaaammmmmm"
+		"aaaaammmmmm"
+		"aaaaammmmmm"
+		"aaaaammmmmm"
+		"aaaaammmmmm"
+		"aaaaammmmmm"
+
+		// Level 2
+		"aaaaaaaaaaa"
+		"ag........."
+		"a.........."
+		"a.........."
+		"a...aaaaaaa"
+		"a...ammmmmm"
+		"a...ammmmmm"
+		"a...ammmmmm"
+		"a...ammmmmm"
+		"a...ammmmmm"
+		"a...ammmmmm"
+
+		// Level 3
+		"abababababa"
+		"b.........."
+		"a.........."
+		"b.........."
+		"a...abababa"
+		"b...bmmmmmm"
+		"a...ammmmmm"
+		"b...bmmmmmm"
+		"a...ammmmmm"
+		"b...bmmmmmm"
+		"a...ammmmmm"
+
+		// Level 4
+		"abababababa"
+		"b.........."
+		"a.........."
+		"b.........."
+		"a...abababa"
+		"b...bmmmmmm"
+		"a...ammmmmm"
+		"b...bmmmmmm"
+		"a...ammmmmm"
+		"b...bmmmmmm"
+		"a...ammmmmm"
+
+		// Level 5
+		"abababababa"
+		"b.........."
+		"a.........."
+		"b.........."
+		"a...abababa"
+		"b...bmmmmmm"
+		"a...ammmmmm"
+		"b...bmmmmmm"
+		"a...ammmmmm"
+		"b...bmmmmmm"
+		"a...ammmmmm"
+
+		// Level 6
+		"ccccccccccc"
+		"daaaaaaaaaa"
+		"daaaaaaaaaa"
+		"daaaaaaaaaa"
+		"daaaeeeeeee"
+		"daaafmmmmmm"
+		"daaafmmmmmm"
+		"daaafmmmmmm"
+		"daaafmmmmmm"
+		"daaafmmmmmm"
+		"daaafmmmmmm",
+		
+		// Connections:
+		"1: 10, 1,  2: 5\n"  /* Type 1, BLOCK_FACE_XP */
+		"1:  2, 1, 10: 3\n"  /* Type 1, BLOCK_FACE_ZP */,
+
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // CorridorCorner5Chest
+
+
+	///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+	// CorridorStairs:
+	// The data has been exported from gallery Nether, area index 12, ID 42
+	{
+		// Size:
+		9, 13, 5,  // SizeX = 9, SizeY = 13, SizeZ = 5
+
+		// Block definitions:
+		".:  0: 0\n"  /* air */
+		"a:112: 0\n"  /* netherbrick */
+		"b:114: 0\n"  /* netherbrickstairs */
+		"c:113: 0\n"  /* netherbrickfence */
+		"d:114: 2\n"  /* netherbrickstairs */
+		"e:114: 3\n"  /* netherbrickstairs */
+		"f: 19: 0\n"  /* sponge */,
+
+		// Block data:
+		// Level 1
+		"aaaaaaaaa"
+		"aaaaaaaaa"
+		"aaaaaaaaa"
+		"aaaaaaaaa"
+		"aaaaaaaaa"
+
+		// Level 2
+		"aaaaaaaaa"
+		".baaaaaaa"
+		".baaaaaaa"
+		".baaaaaaa"
+		"aaaaaaaaa"
+
+		// Level 3
+		"acaaaaaaa"
+		"..baaaaaa"
+		"..baaaaaa"
+		"..baaaaaa"
+		"acaaaaaaa"
+
+		// Level 4
+		"acaaaaaaa"
+		"...baaaaa"
+		"...baaaaa"
+		"...baaaaa"
+		"acaaaaaaa"
+
+		// Level 5
+		"acacaaaaa"
+		"....baaaa"
+		"....baaaa"
+		"....baaaa"
+		"acacaaaaa"
+
+		// Level 6
+		"aaacaaaaa"
+		".....baaa"
+		".....baaa"
+		".....baaa"
+		"aaacaaaaa"
+
+		// Level 7
+		"daacacaaa"
+		"a.....baa"
+		"a.....baa"
+		"a.....baa"
+		"eaacacaaa"
+
+		// Level 8
+		"fdaaacaaa"
+		"fa.....ba"
+		"fa.....ba"
+		"fa.....ba"
+		"feaaacaaa"
+
+		// Level 9
+		"ffdaacaca"
+		"ffa......"
+		"ffa......"
+		"ffa......"
+		"ffeaacaca"
+
+		// Level 10
+		"fffdaaaca"
+		"fffa....."
+		"fffa....."
+		"fffa....."
+		"fffeaaaca"
+
+		// Level 11
+		"ffffdaaca"
+		"ffffa...."
+		"ffffa...."
+		"ffffa...."
+		"ffffeaaca"
+
+		// Level 12
+		"fffffdaaa"
+		"fffffa..."
+		"fffffa..."
+		"fffffa..."
+		"fffffeaaa"
+
+		// Level 13
+		"ffffffddd"
+		"ffffffaaa"
+		"ffffffaaa"
+		"ffffffaaa"
+		"ffffffeee",
+
+		// Connections:
+		"1: 0, 1, 2: 4\n"  /* Type 1, BLOCK_FACE_XM */
+		"1: 8, 8, 2: 5\n"  /* Type 1, BLOCK_FACE_XP */,
+		
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // CorridorStairs
+
+
+	// LavaStaircase:
+	// The data has been exported from gallery Nether, area index 28, ID 278
+	{
+		// Size:
+		15, 11, 15,  // SizeX = 15, SizeY = 11, SizeZ = 15
+
+		// Block definitions:
+		".:  0: 0\n"  /* air */
+		"a:112: 0\n"  /* netherbrick */
+		"b:113: 0\n"  /* netherbrickfence */
+		"c: 11: 0\n"  /* lava */,
+
+		// Block data:
+		// Level 1
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+
+		// Level 2
+		"aaaaaaaa...aaaa"
+		"aaaaa.........a"
+		"aaaaa.........a"
+		"aaaaab........a"
+		"accca...aaaa..a"
+		"accca...acca..a"
+		"acccaaaaacca..a"
+		"acccccccccca..a"
+		"acccaaaaacca..a"
+		"accca...acca..a"
+		"accca...aaaa..a"
+		"aaaaab........a"
+		"aaaaa.........a"
+		"aaaaa.........a"
+		"aaaaaaaa...aaaa"
+
+		// Level 3
+		"aaaaaaaa...aaaa"
+		"aaaa..........a"
+		"aaaa..........a"
+		"aaaabb........a"
+		"aaaa..........a"
+		"a.............a"
+		"a.............a"
+		"a.............a"
+		"a.............a"
+		"a.............a"
+		"aaaa..........a"
+		"aaaabb........a"
+		"aaaa..........a"
+		"aaaa..........a"
+		"aaaaaaaa...aaaa"
+
+		// Level 4
+		"aaaaaaaa...aaaa"
+		"a.............a"
+		"a.............a"
+		"a..bb.........a"
+		"aaaa..........a"
+		"aaaa..........a"
+		"a.............a"
+		"a.............a"
+		"a.............a"
+		"aaaa..........a"
+		"aaaa..........a"
+		"a..bb.........a"
+		"a.............a"
+		"a.............a"
+		"aaaaaaaa...aaaa"
+
+		// Level 5
+		"aaaaaaaabbbaaaa"
+		"a.............a"
+		"a.............a"
+		"a..b..........a"
+		"a..b..........a"
+		"aaaa..........a"
+		"aaaa..........a"
+		"a.............a"
+		"aaaa..........a"
+		"aaaa..........a"
+		"a..b..........a"
+		"a..b..........a"
+		"a.............a"
+		"a.............a"
+		"aaaaaaaabbbaaaa"
+
+		// Level 6
+		"aaaaaaaaaaaaaaa"
+		"a.............a"
+		"a.............a"
+		"a.............a"
+		"a..b..........a"
+		"a..b..........a"
+		"aaaa..........a"
+		"aaaa..........a"
+		"aaaa..........a"
+		"a..b..........a"
+		"a..b..........a"
+		"a.............a"
+		"a.............a"
+		"a.............a"
+		"aaaaaaaaaaaaaaa"
+
+		// Level 7
+		"aaaaaaaaaaaaaaa"
+		"a.............a"
+		"a.............a"
+		"a.............a"
+		"a.............a"
+		"a..b..........a"
+		"...b..........a"
+		"...b..........a"
+		"...b..........a"
+		"a..b..........a"
+		"a.............a"
+		"a.............a"
+		"a.............a"
+		"a.............a"
+		"aaaaaaaaaaaaaaa"
+
+		// Level 8
+		"aababababababaa"
+		"a.............a"
+		"b.............b"
+		"a.............a"
+		"b.............b"
+		"a.............a"
+		"..............b"
+		"..............a"
+		"..............b"
+		"a.............a"
+		"b.............b"
+		"a.............a"
+		"b.............b"
+		"a.............a"
+		"aababababababaa"
+
+		// Level 9
+		"aababababababaa"
+		"a.............a"
+		"b.............b"
+		"a.............a"
+		"b.............b"
+		"a.............a"
+		"..............b"
+		"..............a"
+		"..............b"
+		"a.............a"
+		"b.............b"
+		"a.............a"
+		"b.............b"
+		"a.............a"
+		"aababababababaa"
+
+		// Level 10
+		"aababababababaa"
+		"a.............a"
+		"b.............b"
+		"a.............a"
+		"b.............b"
+		"a.............a"
+		"..............b"
+		"..............a"
+		"..............b"
+		"a.............a"
+		"b.............b"
+		"a.............a"
+		"b.............b"
+		"a.............a"
+		"aababababababaa"
+
+		// Level 11
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa"
+		"aaaaaaaaaaaaaaa",
+		
+		// Connections:
+		"1:  0, 6,  7: 4\n"  /* Type 1, BLOCK_FACE_XM */
+		"0:  9, 1,  0: 2\n"  /* Type 0, BLOCK_FACE_ZM */
+		"0:  9, 1, 14: 3\n"  /* Type 0, BLOCK_FACE_ZP */,
+
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // LavaStaircase
+
+
+	// LavaStaircaseBig:
+	// The data has been exported from gallery Nether, area index 31, ID 282
+	{
+		// Size:
+		12, 15, 15,  // SizeX = 12, SizeY = 15, SizeZ = 15
+
+		// Block definitions:
+		".:  0: 0\n"  /* air */
+		"a:112: 0\n"  /* netherbrick */
+		"b: 10: 0\n"  /* lava */
+		"c:113: 0\n"  /* netherbrickfence */,
+
+		// Block data:
+		// Level 1
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+
+		// Level 2
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"abbbbbaaaaaa"
+		"abbbbbbaaaaa"
+		"abbbbbba...."
+		"abbbbbba...."
+		"abbbbbba...."
+		"abbbbbbaaaaa"
+		"abbbbb.aaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+
+		// Level 3
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"abbbbbaaaaaa"
+		"abbbbbba...a"
+		"abbbbbba...."
+		"abbbbbba...."
+		"abbbbbba...."
+		"abbbbbba...a"
+		"abbbbb.aaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+
+		// Level 4
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"abbbbbaa...a"
+		"abbbbbba...a"
+		"abbbbbba...."
+		"abbbbbba...."
+		"abbbbbba...."
+		"abbbbbba...a"
+		"abbbbbaa...a"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+
+		// Level 5
+		"aaaaaaaaaaaa"
+		"aaaaa......a"
+		"aaaaa......a"
+		"aaaaacc....a"
+		"a.....cc...a"
+		"a......c...a"
+		"a......c...."
+		"a......c...."
+		"a......c...."
+		"a......c...a"
+		"a.....cc...a"
+		"aaaaacc....a"
+		"aaaaa......a"
+		"aaaaa......a"
+		"aaaaaaaaaaaa"
+
+		// Level 6
+		"aaaaaaaaaaaa"
+		"aaaa.......a"
+		"aaaa.......a"
+		"aaaacc.....a"
+		"aaaa.......a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"aaaa.......a"
+		"aaaacc.....a"
+		"aaaa.......a"
+		"aaaa.......a"
+		"aaaaaaaaaaaa"
+
+		// Level 7
+		"aaaaaaaaaaaa"
+		"a..........a"
+		"a..........a"
+		"a..cc......a"
+		"aaaa.......a"
+		"aaaa.......a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"aaaa.......a"
+		"aaaa.......a"
+		"a..cc......a"
+		"a..........a"
+		"a..........a"
+		"aaaaaaaaaaaa"
+
+		// Level 8
+		"aaaaaaaaaaaa"
+		"a..........a"
+		"a..........a"
+		"a..c.......a"
+		"a..c.......a"
+		"aaaa.......a"
+		"aaaa.......a"
+		"a..........a"
+		"aaaa.......a"
+		"aaaa.......a"
+		"a..c.......a"
+		"a..c.......a"
+		"a..........a"
+		"a..........a"
+		"aaaaaaaaaaaa"
+
+		// Level 9
+		"aaaaaaaaaaaa"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"a..c.......a"
+		"a..c.......a"
+		"aaaa.......a"
+		"aaaa.......a"
+		"aaaa.......a"
+		"a..c.......a"
+		"a..c.......a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"aaaaaaaaaaaa"
+
+		// Level 10
+		"aaaaaaaaaaaa"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"a..c.......a"
+		"...c.......a"
+		"...c.......a"
+		"...c.......a"
+		"a..c.......a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"aaaaaaaaaaaa"
+
+		// Level 11
+		"aaaaaaaaaaaa"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"...........a"
+		"...........a"
+		"...........a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"aaaaaaaaaaaa"
+
+		// Level 12
+		"aaaaaaaaaaaa"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"...........a"
+		"...........a"
+		"...........a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"aaaaaaaaaaaa"
+
+		// Level 13
+		"aaaaaaaaaaaa"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"...........a"
+		"...........a"
+		"...........a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"a..........a"
+		"aaaaaaaaaaaa"
+
+		// Level 14
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+		"aaaaaaaaaaaa"
+
+		// Level 15
+		"aaaaaaaaaaaa"
+		"abbbbbbbbbba"
+		"abbbbbbbbbba"
+		"abbbbbbbbbba"
+		"abbbbbbbbbba"
+		"abbbbbbbbbba"
+		"abbbbbbbbbba"
+		"abbbbbbbbbba"
+		"abbbbbbbbbba"
+		"abbbbbbbbbba"
+		"abbbbbbbbbba"
+		"abbbbbbbbbba"
+		"abbbbbbbbbba"
+		"abbbbbbbbbba"
+		"aaaaaaaaaaaa",
+		
+		// Connections:
+		"1:  0, 9,  7: 4\n"  /* Type 1, BLOCK_FACE_XM */
+		"1: 11, 1,  7: 5\n"  /* Type 1, BLOCK_FACE_XP */,
+
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // LavaStaircaseBig
+
+
+	// MidStaircase:
+	// The data has been exported from gallery Nether, area index 23, ID 165
+	{
+		// Size:
+		13, 8, 13,  // SizeX = 13, SizeY = 8, SizeZ = 13
+
+		// Block definitions:
+		".:  0: 0\n"  /* air */
+		"a:112: 0\n"  /* netherbrick */
+		"b: 88: 0\n"  /* soulsand */
+		"c:115: 7\n"  /* netherwartblock */
+		"d:114: 3\n"  /* netherbrickstairs */
+		"e:114: 0\n"  /* netherbrickstairs */
+		"f:114: 1\n"  /* netherbrickstairs */
+		"g:114: 2\n"  /* netherbrickstairs */
+		"h: 10: 0\n"  /* lava */
+		"i:113: 0\n"  /* netherbrickfence */,
+
+		// Block data:
+		// Level 1
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaabbbbbaaaa"
+		"aaaabbbbbaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaabbbbbaaaa"
+		"aaaabbbbbaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+
+		// Level 2
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaacccccaaaa"
+		"addecccccfdda"
+		"...eaaaaad..."
+		"...eaaaaa...."
+		"...eaaaaag..."
+		"agggcccccfgga"
+		"aaaacccccaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+
+		// Level 3
+		"aaaaaaaaaaaaa"
+		"aha.......aha"
+		"aaa.......aaa"
+		"a...........a"
+		"a...........a"
+		"....eaaaa...."
+		"....eaaaa...."
+		"....eaaaa...."
+		"a...........a"
+		"a...........a"
+		"aaa.......aaa"
+		"aha.......aha"
+		"aaaaaaaaaaaaa"
+
+		// Level 4
+		"aaaiiaaaiiaaa"
+		"a...........a"
+		"a...........a"
+		"a...........a"
+		"a...........a"
+		".....eaaa...."
+		".....eaaa...."
+		".....eaaa...."
+		"a...........a"
+		"a...........a"
+		"a...........a"
+		"a...........a"
+		"aaaiiaaaiiaaa"
+
+		// Level 5
+		"aaaiiaaaiiaaa"
+		"a...........a"
+		"a...........a"
+		"a...........a"
+		"a...........a"
+		"......eaa...."
+		"......eaa...."
+		"......eaa...."
+		"a...........a"
+		"a...........a"
+		"a...........a"
+		"a...........a"
+		"aaaiiaaaiiaaa"
+
+		// Level 6
+		"aaaaaaaaaaaaa"
+		"a...........a"
+		"a...........a"
+		"a...........a"
+		"a...........a"
+		"a......ea...a"
+		"a......ea...a"
+		"a......ea...a"
+		"a...........a"
+		"a...........a"
+		"a...........a"
+		"a...........a"
+		"aaaaaaaaaaaaa"
+
+		// Level 7
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaa....eaaaa"
+		"aaaa....eaaaa"
+		"aaaa....eaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+
+		// Level 8
+		"iaiaiaiaiaiai"
+		"a...........a"
+		"i...........i"
+		"a...........a"
+		"i...........i"
+		"a............"
+		"i............"
+		"a............"
+		"i...........i"
+		"a...........a"
+		"i...........i"
+		"a...........a"
+		"iaiaiaiaiaiai",
+
+		// Connections:
+		"1:  0, 1, 6: 4\n"  /* Type 1, BLOCK_FACE_XM */
+		"1: 12, 1, 6: 5\n"  /* Type 1, BLOCK_FACE_XP */
+		"1: 12, 7, 6: 5\n"  /* Type 1, BLOCK_FACE_XP */,
+
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // MidStaircase
+
+
+	// StairsToOpen1:
+	// The data has been exported from gallery Nether, area index 27, ID 277
+	{
+		// Size:
+		7, 10, 7,  // SizeX = 7, SizeY = 10, SizeZ = 7
+
+		// Block definitions:
+		".:  0: 0\n"  /* air */
+		"a:112: 0\n"  /* netherbrick */
+		"b:113: 0\n"  /* netherbrickfence */
+		"m: 19: 0\n"  /* sponge */,
+
+		// Block data:
+		// Level 1
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+
+		// Level 2
+		"aa...aa"
+		"a.....a"
+		"a.....a"
+		"a.....a"
+		"a.....a"
+		"aaaaaaa"
+		"aaaaaaa"
+
+		// Level 3
+		"aa...aa"
+		"a.....a"
+		"b.....b"
+		"a.....a"
+		"b.....b"
+		"a.aaaaa"
+		"aabaaba"
+
+		// Level 4
+		"aa...aa"
+		"a.....a"
+		"b.....b"
+		"a.....a"
+		"b.....b"
+		"a..aaaa"
+		"aabaaba"
+
+		// Level 5
+		"aabbbaa"
+		"a.....a"
+		"b.....b"
+		"a.....a"
+		"b.....b"
+		"a...aaa"
+		"aabaaba"
+
+		// Level 6
+		"aaaaaaa"
+		"a.....a"
+		"a.....a"
+		"a.....a"
+		"a.....a"
+		"a....aa"
+		"aaaaaaa"
+
+		// Level 7
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+		"a.....a"
+		"aaaaaaa"
+
+		// Level 8
+		"aaaaaaa"
+		"a.....a"
+		"a......"
+		"a......"
+		"a......"
+		"a.....a"
+		"aaaaaaa"
+
+		// Level 9
+		"mmmmmmm"
+		"m.....m"
+		"m......"
+		"m......"
+		"m......"
+		"m.....m"
+		"mmmmmmm"
+
+		// Level 10
+		"mmmmmmm"
+		"m.....m"
+		"m......"
+		"m......"
+		"m......"
+		"m.....m"
+		"mmmmmmm",
+		
+		// Connections:
+		"0: 3, 1, 0: 2\n"  /* Type 0, BLOCK_FACE_ZM */
+		"0: 6, 7, 3: 5\n"  /* Type 0, BLOCK_FACE_XP */,
+
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // StairsToOpen1
+
+
+	// StairsToOpen2:
+	// The data has been exported from gallery Nether, area index 8, ID 35
+	{
+		// Size:
+		7, 10, 7,  // SizeX = 7, SizeY = 10, SizeZ = 7
+
+		// Block definitions:
+		".:  0: 0\n"  /* air */
+		"a:112: 0\n"  /* netherbrick */
+		"b:113: 0\n"  /* netherbrickfence */
+		"m: 19: 0\n"  /* sponge */,
+
+		// Block data:
+		// Level 1
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+
+		// Level 2
+		"aa...aa"
+		"a.....a"
+		"a.....a"
+		"a.....a"
+		"a.....a"
+		"aaaaaaa"
+		"aaaaaaa"
+
+		// Level 3
+		"aa...aa"
+		"a.....a"
+		"b.....b"
+		"a.....a"
+		"b.....b"
+		"a.aaaaa"
+		"aabaaba"
+
+		// Level 4
+		"aa...aa"
+		"a.....a"
+		"b.....b"
+		"a.....a"
+		"b.....b"
+		"a..aaaa"
+		"aabaaba"
+
+		// Level 5
+		"aabbbaa"
+		"a.....a"
+		"b.....b"
+		"a.....a"
+		"b.....b"
+		"a...aaa"
+		"aabaaba"
+
+		// Level 6
+		"aaaaaaa"
+		"a.....a"
+		"a.....a"
+		"a.....a"
+		"a.....a"
+		"a....aa"
+		"aaaaaaa"
+
+		// Level 7
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+		"a.....a"
+		"aaaaaaa"
+
+		// Level 8
+		"aaaaaaa"
+		"a.....a"
+		"......a"
+		"......a"
+		"......a"
+		"a.....a"
+		"aaaaaaa"
+
+		// Level 9
+		"mmmmmmm"
+		"m.....m"
+		"......m"
+		"......m"
+		"......m"
+		"m.....m"
+		"mmmmmmm"
+
+		// Level 10
+		"mmmmmmm"
+		"m.....m"
+		"......m"
+		"......m"
+		"......m"
+		"m.....m"
+		"mmmmmmm",
+		
+		// Connections:
+		"0: 3, 1, 0: 2\n"  /* Type 0, BLOCK_FACE_ZM */
+		"0: 0, 7, 3: 4\n"  /* Type 0, BLOCK_FACE_XM */,
+
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // StairsToOpen2
+
+
+	// Tee2x4:
+	// The data has been exported from gallery Nether, area index 40, ID 291
+	{
+		// Size:
+		13, 6, 7,  // SizeX = 13, SizeY = 6, SizeZ = 7
+
+		// Block definitions:
+		".:  0: 0\n"  /* air */
+		"a:112: 0\n"  /* netherbrick */
+		"b:113: 0\n"  /* netherbrickfence */
+		"c:114: 0\n"  /* netherbrickstairs */
+		"d:114: 1\n"  /* netherbrickstairs */
+		"e:114: 2\n"  /* netherbrickstairs */
+		"f:114: 3\n"  /* netherbrickstairs */
+		"m: 19: 0\n"  /* sponge */,
+
+		// Block data:
+		// Level 1
+		"mmmmaaaaammmm"
+		"mmmmaaaaammmm"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+
+		// Level 2
+		"mmmma...ammmm"
+		"mmmma...ammmm"
+		"aaaaa...aaaaa"
+		"............."
+		"............."
+		"............."
+		"aaaaaaaaaaaaa"
+
+		// Level 3
+		"mmmma...ammmm"
+		"mmmmb...bmmmm"
+		"ababa...ababa"
+		"............."
+		"............."
+		"............."
+		"ababababababa"
+
+		// Level 4
+		"mmmma...ammmm"
+		"mmmmb...bmmmm"
+		"ababa...ababa"
+		"............."
+		"............."
+		"............."
+		"ababababababa"
+
+		// Level 5
+		"mmmma...ammmm"
+		"mmmmb...bmmmm"
+		"ababa...ababa"
+		"............."
+		"............."
+		"............."
+		"ababababababa"
+
+		// Level 6
+		"mmmmcaaadmmmm"
+		"mmmmcaaadmmmm"
+		"eeeecaaadeeee"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"fffffffffffff",
+
+		// Connections:
+		"1:  0, 1, 4: 4\n"  /* Type 1, BLOCK_FACE_XM */
+		"1:  6, 1, 0: 2\n"  /* Type 1, BLOCK_FACE_ZM */
+		"1: 12, 1, 4: 5\n"  /* Type 1, BLOCK_FACE_XP */,
+
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // Tee2x4
+
+
+	// Tee4x4:
+	// The data has been exported from gallery Nether, area index 41, ID 292
+	{
+		// Size:
+		13, 6, 9,  // SizeX = 13, SizeY = 6, SizeZ = 9
+
+		// Block definitions:
+		".:  0: 0\n"  /* air */
+		"a:112: 0\n"  /* netherbrick */
+		"b:113: 0\n"  /* netherbrickfence */
+		"c:114: 0\n"  /* netherbrickstairs */
+		"d:114: 1\n"  /* netherbrickstairs */
+		"e:114: 2\n"  /* netherbrickstairs */
+		"f:114: 3\n"  /* netherbrickstairs */
+		"m: 19: 0\n"  /* sponge */,
+
+		// Block data:
+		// Level 1
+		"mmmmaaaaammmm"
+		"mmmmaaaaammmm"
+		"mmmmaaaaammmm"
+		"mmmmaaaaammmm"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+
+		// Level 2
+		"mmmma...ammmm"
+		"mmmma...ammmm"
+		"mmmma...ammmm"
+		"mmmma...ammmm"
+		"aaaaa...aaaaa"
+		"............."
+		"............."
+		"............."
+		"aaaaaaaaaaaaa"
+
+		// Level 3
+		"mmmma...ammmm"
+		"mmmmb...bmmmm"
+		"mmmma...ammmm"
+		"mmmmb...bmmmm"
+		"ababa...ababa"
+		"............."
+		"............."
+		"............."
+		"ababababababa"
+
+		// Level 4
+		"mmmma...ammmm"
+		"mmmmb...bmmmm"
+		"mmmma...ammmm"
+		"mmmmb...bmmmm"
+		"ababa...ababa"
+		"............."
+		"............."
+		"............."
+		"ababababababa"
+
+		// Level 5
+		"mmmma...ammmm"
+		"mmmmb...bmmmm"
+		"mmmma...ammmm"
+		"mmmmb...bmmmm"
+		"ababa...ababa"
+		"............."
+		"............."
+		"............."
+		"ababababababa"
+
+		// Level 6
+		"mmmmcaaadmmmm"
+		"mmmmcaaadmmmm"
+		"mmmmcaaadmmmm"
+		"mmmmcaaadmmmm"
+		"eeeecaaadeeee"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"fffffffffffff",
+
+		// Connections:
+		"1:  0, 1,  6: 4\n"  /* Type 1, BLOCK_FACE_XM */
+		"1: 12, 1,  6: 5\n"  /* Type 1, BLOCK_FACE_XP */
+		"1:  6, 1,  0: 2\n"  /* Type 1, BLOCK_FACE_ZM */,
+
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // Tee4x4
+
+	// Turret:
+	// The data has been exported from gallery Nether, area index 7, ID 34
+	{
+		// Size:
+		7, 6, 7,  // SizeX = 7, SizeY = 6, SizeZ = 7
+
+		// Block definitions:
+		".:  0: 0\n"  /* air */
+		"a:112: 0\n"  /* netherbrick */
+		"b:113: 0\n"  /* netherbrickfence */,
+
+		// Block data:
+		// Level 1
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+		"aaaaaaa"
+
+		// Level 2
+		"aa...aa"
+		"a.....a"
+		"......."
+		"......."
+		"......."
+		"a.....a"
+		"aa...aa"
+
+		// Level 3
+		"aa...aa"
+		"a.....a"
+		"......."
+		"......."
+		"......."
+		"a.....a"
+		"aa...aa"
+
+		// Level 4
+		"aa...aa"
+		"a.....a"
+		"......."
+		"......."
+		"......."
+		"a.....a"
+		"aa...aa"
+
+		// Level 5
+		"aabbbaa"
+		"a.....a"
+		"b.....b"
+		"b.....b"
+		"b.....b"
+		"a.....a"
+		"aabbbaa"
+
+		// Level 6
+		"aaaaaaa"
+		"a.....a"
+		"a.....a"
+		"a.....a"
+		"a.....a"
+		"a.....a"
+		"aaaaaaa",
+
+		// Connections:
+		"0: 0, 1, 3: 4\n"  /* Type 0, BLOCK_FACE_XM */
+		"0: 3, 1, 0: 2\n"  /* Type 0, BLOCK_FACE_ZM */
+		"0: 6, 1, 3: 5\n"  /* Type 0, BLOCK_FACE_XP */
+		"0: 3, 1, 6: 3\n"  /* Type 0, BLOCK_FACE_ZP */,
+
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},  // Turret
+
+} ;  // g_NetherFortPrefabs1
+
+
+
+
+
+const cPrefab::sDef g_NetherFortStartingPrefabs1[] =
+{
+	///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+	// CentralRoom:
+	// The data has been exported from gallery Nether, area index 22, ID 164
+	{
+		// Size:
+		13, 9, 13,  // SizeX = 13, SizeY = 9, SizeZ = 13
+
+		// Block definitions:
+		"a:112: 0\n"  /* netherbrick */
+		"b:  0: 0\n"  /* air */
+		"c: 10: 0\n"  /* lava */
+		"d:113: 0\n"  /* netherbrickfence */,
+
+		// Block data:
+		// Level 1
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+
+		// Level 2
+		"aaaaabbbaaaaa"
+		"aaaaabbbaaaaa"
+		"aabbbbbbbbbaa"
+		"aabbbbbbbbbaa"
+		"aabbbbbbbbbaa"
+		"aabbbaaabbbaa"
+		"aabbbacabbbaa"
+		"aabbbaaabbbaa"
+		"aabbbbbbbbbaa"
+		"aabbbbbbbbbaa"
+		"aabbbbbbbbbaa"
+		"aaaaabbbaaaaa"
+		"aaaaabbbaaaaa"
+
+		// Level 3
+		"aaaaabbbaaaaa"
+		"aaadabbbadaaa"
+		"aabbbbbbbbbaa"
+		"adbbbbbbbbbda"
+		"aabbbbbbbbbaa"
+		"adbbbbbbbbbda"
+		"aabbbbbbbbbaa"
+		"adbbbbbbbbbda"
+		"aabbbbbbbbbaa"
+		"adbbbbbbbbbda"
+		"aabbbbbbbbbaa"
+		"aaadabbbadaaa"
+		"aaaaabbbaaaaa"
+
+		// Level 4
+		"aaaaabbbaaaaa"
+		"aaadabbbadaaa"
+		"aabbbbbbbbbaa"
+		"adbbbbbbbbbda"
+		"aabbbbbbbbbaa"
+		"adbbbbbbbbbda"
+		"aabbbbbbbbbaa"
+		"adbbbbbbbbbda"
+		"aabbbbbbbbbaa"
+		"adbbbbbbbbbda"
+		"aabbbbbbbbbaa"
+		"aaadabbbadaaa"
+		"aaaaabbbaaaaa"
+
+		// Level 5
+		"adadadddadada"
+		"daaaabbbaaaad"
+		"aabbbbbbbbbaa"
+		"dabbbbbbbbbad"
+		"aabbbbbbbbbaa"
+		"dabbbbbbbbbad"
+		"aabbbbbbbbbaa"
+		"dabbbbbbbbbad"
+		"aabbbbbbbbbaa"
+		"dabbbbbbbbbad"
+		"aabbbbbbbbbaa"
+		"daaaabbbaaaad"
+		"adadabbbadada"
+
+		// Level 6
+		"adadaaaaadada"
+		"daaaaaaaaaaad"
+		"aabbbbbbbbbaa"
+		"dabbbbbbbbbad"
+		"aabbbbbbbbbaa"
+		"dabbbbbbbbbad"
+		"aabbbbbbbbbaa"
+		"dabbbbbbbbbad"
+		"aabbbbbbbbbaa"
+		"dabbbbbbbbbad"
+		"aabbbbbbbbbaa"
+		"daaaaaaaaaaad"
+		"adadaaaaadada"
+
+		// Level 7
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+
+		// Level 8
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+		"aaaaaaaaaaaaa"
+
+		// Level 9
+		"dadadadadadad"
+		"abbbbbbbbbbba"
+		"dbbbbbbbbbbbd"
+		"abbbbbbbbbbba"
+		"dbbbbbbbbbbbd"
+		"abbbbbbbbbbba"
+		"dbbbbbbbbbbbd"
+		"abbbbbbbbbbba"
+		"dbbbbbbbbbbbd"
+		"abbbbbbbbbbba"
+		"dbbbbbbbbbbbd"
+		"abbbbbbbbbbba"
+		"dadadadadadad",
+
+		// Connections:
+		"0: 6, 1,  0: 2\n"  /* Type 0, BLOCK_FACE_ZM */
+		"1: 6, 1, 12: 3\n"  /* Type 1, BLOCK_FACE_ZP */,
+		
+		// AllowedRotations:
+		7,  /* 1, 2, 3 CCW rotations */
+		
+		// Merge strategy:
+		cBlockArea::msSpongePrint,
+	},
+} ;  // g_NetherFortStartingPrefabs1
+
+const size_t g_NetherFortPrefabs1Count = ARRAYCOUNT(g_NetherFortPrefabs1);
+const size_t g_NetherFortStartingPrefabs1Count = ARRAYCOUNT(g_NetherFortStartingPrefabs1);
+
+
+
+
diff --git a/src/Generating/Prefabs/NetherFortPrefabs.h b/src/Generating/Prefabs/NetherFortPrefabs.h
new file mode 100644
index 000000000..37a91689d
--- /dev/null
+++ b/src/Generating/Prefabs/NetherFortPrefabs.h
@@ -0,0 +1,15 @@
+
+// NetherFortPrefabs.h
+
+// Declares the data used for nether fortress prefabs
+
+#include "../Prefab.h"
+
+
+
+
+
+extern const cPrefab::sDef g_NetherFortPrefabs1[];
+extern const cPrefab::sDef g_NetherFortStartingPrefabs1[];
+extern const size_t g_NetherFortPrefabs1Count;
+extern const size_t g_NetherFortStartingPrefabs1Count;