+ /*!
+ * Fixes lighting in one map block.
+ * May modify other blocks as well, as light can spread
+ * out of the specified block.
+ * Returns false if the block is not generated (so nothing
+ * changed), true otherwise.
+ */
+ bool repairBlockLight(v3s16 blockpos,
+ std::map<v3s16, MapBlock *> *modified_blocks);
+