+static inline void getNeighborConnectingFace(v3s16 p, INodeDefManager *nodedef,
+ ClientMap *map, MapNode n, u8 bitmask, u8 *neighbors)
+{
+ MapNode n2 = map->getNodeNoEx(p);
+ if (nodedef->nodeboxConnects(n, n2, bitmask))
+ *neighbors |= bitmask;
+}
+
+static inline u8 getNeighbors(v3s16 p, INodeDefManager *nodedef, ClientMap *map, MapNode n)
+{
+ u8 neighbors = 0;
+ const ContentFeatures &f = nodedef->get(n);
+ // locate possible neighboring nodes to connect to
+ if (f.drawtype == NDT_NODEBOX && f.node_box.type == NODEBOX_CONNECTED) {
+ v3s16 p2 = p;
+
+ p2.Y++;
+ getNeighborConnectingFace(p2, nodedef, map, n, 1, &neighbors);
+
+ p2 = p;
+ p2.Y--;
+ getNeighborConnectingFace(p2, nodedef, map, n, 2, &neighbors);
+
+ p2 = p;
+ p2.Z--;
+ getNeighborConnectingFace(p2, nodedef, map, n, 4, &neighbors);
+
+ p2 = p;
+ p2.X--;
+ getNeighborConnectingFace(p2, nodedef, map, n, 8, &neighbors);
+
+ p2 = p;
+ p2.Z++;
+ getNeighborConnectingFace(p2, nodedef, map, n, 16, &neighbors);
+
+ p2 = p;
+ p2.X++;
+ getNeighborConnectingFace(p2, nodedef, map, n, 32, &neighbors);
+ }
+
+ return neighbors;
+}
+