1 files changed, 8 insertions, 0 deletions

diff --git a/AnvilStats/Callback.h b/AnvilStats/Callback.h
index b18f4947a..66d6bcfae 100644
--- a/AnvilStats/Callback.h
+++ b/AnvilStats/Callback.h
@@ -51,6 +51,9 @@ public:
 	

 	virtual bool OnHeightMap(const int * a_HeightMap) { return true; }

 	

+	/** If there is data for the section, this callback is called; otherwise OnEmptySection() is called instead.

+	All OnSection() callbacks are called first, and only then all the remaining sections are reported in OnEmptySection().

+	*/

 	virtual bool OnSection(

 		unsigned char a_Y,

 		const BLOCKTYPE * a_BlockTypes,

@@ -60,6 +63,11 @@ public:
 		const NIBBLETYPE * a_BlockSkyLight

 	) { return true; }

 	

+	/** If there is no data for a section, this callback is called; otherwise OnSection() is called instead. 

+	OnEmptySection() callbacks are called after all OnSection() callbacks.

+	*/

+	virtual bool OnEmptySection(unsigned char a_Y) { return false; }

+	

 	// TODO: entities, tile-entities, tile-ticks

 } ;