1 files changed, 35 insertions, 0 deletions
diff --git a/src/map.h b/src/map.h
index 1cd021f52..77a006390 100644
--- a/src/map.h
+++ b/src/map.h
@@ -401,6 +401,35 @@ public:
 		}
 		return true;
 	}
+	
+	/*
+		Returns true if any chunk is marked as modified
+	*/
+	bool anyChunkModified()
+	{
+		for(core::map<v2s16, MapChunk*>::Iterator
+				i = m_chunks.getIterator();
+				i.atEnd()==false; i++)
+		{
+			v2s16 p = i.getNode()->getKey();
+			MapChunk *chunk = i.getNode()->getValue();
+			if(chunk->isModified())
+				return true;
+		}
+		return false;
+	}
+
+	void setChunksNonModified()
+	{
+		for(core::map<v2s16, MapChunk*>::Iterator
+				i = m_chunks.getIterator();
+				i.atEnd()==false; i++)
+		{
+			v2s16 p = i.getNode()->getKey();
+			MapChunk *chunk = i.getNode()->getValue();
+			chunk->setModified(false);
+		}
+	}
 
 	/*
 		Chunks are generated by using these and makeChunk().
@@ -573,6 +602,12 @@ private:
 	s16 m_chunksize;
 	// Chunks
 	core::map<v2s16, MapChunk*> m_chunks;
+
+	/*
+		Metadata is re-written on disk only if this is true.
+		This is reset to false when written on disk.
+	*/
+	bool m_map_metadata_changed;
 };
 
 /*