Fix lighting bug caused by disappearing lava

diff --git a/src/map.cpp b/src/map.cpp
index f128aff6c99d863f57069cf06d97ec4daa67d906..e458f3376b5f44fccfa6daabe146658b12521a4d 100644 (file)
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -2186,6 +2186,7 @@ void Map::transformLiquids(std::map<v3s16, MapBlock*> & modified_blocks)
                /*
                        update the current node
                 */
+               MapNode n00 = n0;
                //bool flow_down_enabled = (flowing_down && ((n0.param2 & LIQUID_FLOW_DOWN_MASK) != LIQUID_FLOW_DOWN_MASK));
                if (nodemgr->get(new_node_content).liquid_type == LIQUID_FLOWING) {
                        // set level to last 3 bits, flowing down bit to 4th bit
@@ -2223,8 +2224,9 @@ void Map::transformLiquids(std::map<v3s16, MapBlock*> & modified_blocks)
                MapBlock *block = getBlockNoCreateNoEx(blockpos);
                if(block != NULL) {
                        modified_blocks[blockpos] =  block;
-                       // If node emits light, MapBlock requires lighting update
-                       if(nodemgr->get(n0).light_source != 0)
+                       // If new or old node emits light, MapBlock requires lighting update
+                       if(nodemgr->get(n0).light_source != 0 ||
+                                       nodemgr->get(n00).light_source != 0)
                                lighting_modified_blocks[block->getPos()] = block;
                }