Noise: Prevent unittest crash caused by division by zero

[oweals/minetest.git] / src / mapblock.cpp

diff --git a/src/mapblock.cpp b/src/mapblock.cpp
index 1a94857af9f7c22b8d2bc93d9f20a7b169060e68..ca589479419438ab7df7ac56ad4822d0058730cc 100644 (file)
--- a/src/mapblock.cpp
+++ b/src/mapblock.cpp
@@ -367,7 +367,7 @@ void MapBlock::actuallyUpdateDayNightDiff()
                Check if any lighting value differs
        */
 
-       MapNode previous_n;
+       MapNode previous_n(CONTENT_IGNORE);
        for (u32 i = 0; i < nodecount; i++) {
                MapNode n = data[i];