Add a setting to enable always flying fast

[minetest.git] / src / map.cpp

diff --git a/src/map.cpp b/src/map.cpp
index 39c6d292b3248569a0ffe382220250e24b01a440..2845f3a67de7ed93228982da25769242ee9f5f2e 100644 (file)
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -1746,12 +1746,12 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
                content_t new_node_content;
                s8 new_node_level = -1;
                s8 max_node_level = -1;
-               if (num_sources >= 2 || liquid_type == LIQUID_SOURCE) {
+               if ((num_sources >= 2 && nodemgr->get(liquid_kind).liquid_renewable) || liquid_type == LIQUID_SOURCE) {
                        // liquid_kind will be set to either the flowing alternative of the node (if it's a liquid)
                        // or the flowing alternative of the first of the surrounding sources (if it's air), so
                        // it's perfectly safe to use liquid_kind here to determine the new node content.
                        new_node_content = nodemgr->getId(nodemgr->get(liquid_kind).liquid_alternative_source);
-               } else if (num_sources == 1 && sources[0].t != NEIGHBOR_LOWER) {
+               } else if (num_sources >= 1 && sources[0].t != NEIGHBOR_LOWER) {
                        // liquid_kind is set properly, see above
                        new_node_content = liquid_kind;
                        max_node_level = new_node_level = LIQUID_LEVEL_MAX;