Some obvious errors in the new fluid flow management

diff --git a/src/map.cpp b/src/map.cpp
index d51aa46c1f890c6902190716bb37d30dc75801a4..dc4459263ac5750988f14d19230a84656865cac0 100644 (file)
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -1666,7 +1666,7 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
                /*
                        decide on the type (and possibly level) of the current node
                 */
-               u8 new_node_content;
+               content_t new_node_content;
                s8 new_node_level = -1;
                if (num_sources >= 2 || liquid_type == LIQUID_SOURCE) {
                        // liquid_kind will be set to either the flowing alternative of the node (if it's a liquid)
@@ -1736,9 +1736,10 @@ void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
                n0.setContent(new_node_content);
                if (content_features(n0.getContent()).liquid_type == LIQUID_FLOWING) {
                        // set level to last 3 bits, flowing down bit to 4th bit
-                       n0.param2 = (flowing_down ? LIQUID_FLOW_DOWN_MASK : 0x00) | (new_node_level & LIQUID_LEVEL_MASK);
+                       n0.param2 |= (flowing_down ? LIQUID_FLOW_DOWN_MASK : 0x00) | (new_node_level & LIQUID_LEVEL_MASK);
                } else {
-                       n0.param2 = 0;
+                       // set the liquid level and flow bit to 0
+                       n0.param2 &= ~(LIQUID_LEVEL_MASK | LIQUID_FLOW_DOWN_MASK);
                }
                setNode(p0, n0);
                v3s16 blockpos = getNodeBlockPos(p0);