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-rw-r--r--src/voxelalgorithms.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/voxelalgorithms.h b/src/voxelalgorithms.h
index 2eba6a176..3632546dd 100644
--- a/src/voxelalgorithms.h
+++ b/src/voxelalgorithms.h
@@ -25,6 +25,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include <set>
#include <map>
+class Map;
+class MapBlock;
+
namespace voxalgo
{
@@ -52,6 +55,24 @@ SunlightPropagateResult propagateSunlight(VoxelManipulator &v, VoxelArea a,
std::set<v3s16> & light_sources,
INodeDefManager *ndef);
+/*!
+ * Updates the lighting on the map.
+ * The result will be correct only if
+ * no nodes were changed except the given ones.
+ * Before calling this procedure make sure that all new nodes on
+ * the map have zero light level!
+ *
+ * \param oldnodes contains the MapNodes that were replaced by the new
+ * MapNodes and their positions
+ * \param modified_blocks output, contains all map blocks that
+ * the function modified
+ */
+void update_lighting_nodes(
+ Map *map,
+ INodeDefManager *ndef,
+ std::vector<std::pair<v3s16, MapNode> > &oldnodes,
+ std::map<v3s16, MapBlock*> &modified_blocks);
+
} // namespace voxalgo
#endif