2 files changed, 61 insertions, 0 deletions
diff --git a/source/Generating/ChunkDesc.cpp b/source/Generating/ChunkDesc.cpp
index bd1abdeaa..81e6851a4 100644
--- a/source/Generating/ChunkDesc.cpp
+++ b/source/Generating/ChunkDesc.cpp
@@ -450,6 +450,45 @@ void cChunkDesc::ReplaceRelCuboid(
 
 
 
+void cChunkDesc::FloorRelCuboid(
+	int a_MinX, int a_MaxX,
+	int a_MinY, int a_MaxY,
+	int a_MinZ, int a_MaxZ,
+	BLOCKTYPE a_DstType, NIBBLETYPE a_DstMeta
+)
+{
+	int MinX = std::max(a_MinX, 0);
+	int MinY = std::max(a_MinY, 0);
+	int MinZ = std::max(a_MinZ, 0);
+	int MaxX = std::min(a_MaxX, cChunkDef::Width - 1);
+	int MaxY = std::min(a_MaxY, cChunkDef::Height - 1);
+	int MaxZ = std::min(a_MaxZ, cChunkDef::Width - 1);
+	
+	for (int y = MinY; y <= MaxY; y++)
+	{
+		for (int z = MinZ; z <= MaxZ; z++)
+		{
+			for (int x = MinX; x <= MaxX; x++)
+			{
+				switch (GetBlockType(x, y, z))
+				{
+					case E_BLOCK_AIR:
+					case E_BLOCK_WATER:
+					case E_BLOCK_STATIONARY_WATER:
+					{
+						SetBlockTypeMeta(x, y, z, a_DstType, a_DstMeta);
+						break;
+					}
+				}  // switch (GetBlockType)
+			}  // for x
+		}  // for z
+	}  // for y
+}
+
+
+
+
+
 void cChunkDesc::CompressBlockMetas(cChunkDef::BlockNibbles & a_DestMetas)
 {
 	const NIBBLETYPE * AreaMetas = m_BlockArea.GetBlockMetas();
diff --git a/source/Generating/ChunkDesc.h b/source/Generating/ChunkDesc.h
index a73a175a3..a18b26142 100644
--- a/source/Generating/ChunkDesc.h
+++ b/source/Generating/ChunkDesc.h
@@ -121,6 +121,28 @@ public:
 		);
 	}
 
+	/// Replaces the blocks in the cuboid by the dst blocks if they are considered non-floor (air, water); allows cuboid out of range of this chunk
+	void FloorRelCuboid(
+		int a_MinX, int a_MaxX,
+		int a_MinY, int a_MaxY,
+		int a_MinZ, int a_MaxZ,
+		BLOCKTYPE a_DstType, NIBBLETYPE a_DstMeta
+	);
+	
+	/// Replaces the blocks in the cuboid by the dst blocks if they are considered non-floor (air, water); allows cuboid out of range of this chunk
+	void FloorRelCuboid(
+		const cCuboid & a_RelCuboid,
+		BLOCKTYPE a_DstType, NIBBLETYPE a_DstMeta
+	)
+	{
+		FloorRelCuboid(
+			a_RelCuboid.p1.x, a_RelCuboid.p2.x,
+			a_RelCuboid.p1.y, a_RelCuboid.p2.y,
+			a_RelCuboid.p1.z, a_RelCuboid.p2.z,
+			a_DstType, a_DstMeta
+		);
+	}
+
 	// tolua_end