1 files changed, 18 insertions, 0 deletions

diff --git a/src/Generating/ChunkDesc.h b/src/Generating/ChunkDesc.h
index d10159dc9..d066660f1 100644
--- a/src/Generating/ChunkDesc.h
+++ b/src/Generating/ChunkDesc.h
@@ -87,6 +87,24 @@ public:
 	/** Sets the shape in a_Shape to match the heightmap stored currently in m_HeightMap. */
 	void GetShapeFromHeight(Shape & a_Shape) const;
 
+	/** Returns the index into the internal shape array for the specified coords */
+	inline static size_t MakeShapeIndex(int a_X, int a_Y, int a_Z)
+	{
+		return static_cast<size_t>(a_Y + a_X * cChunkDef::Height + a_Z * cChunkDef::Height * cChunkDef::Width);
+	}
+
+	inline static void SetShapeIsSolidAt(Shape & a_Shape, int a_X, int a_Y, int a_Z, bool a_IsSolid)
+	{
+		auto index = MakeShapeIndex(a_X, a_Y, a_Z);
+		a_Shape[index] = a_IsSolid ? 1 : 0;
+	}
+
+	inline static bool GetShapeIsSolidAt(const Shape & a_Shape, int a_X, int a_Y, int a_Z)
+	{
+		auto index = MakeShapeIndex(a_X, a_Y, a_Z);
+		return a_Shape[index];
+	}
+
 	// tolua_begin
 
 	// Default generation: