-// Returns Y one under area minimum if not found
-s16 MapgenV6::find_ground_level(v2s16 p2d) {
- v3s16 em = vm->m_area.getExtent();
- s16 y_nodes_max = vm->m_area.MaxEdge.Y;
- s16 y_nodes_min = vm->m_area.MinEdge.Y;
- u32 i = vm->m_area.index(p2d.X, y_nodes_max, p2d.Y);
- s16 y;
-
- for (y = y_nodes_max; y >= y_nodes_min; y--) {
- MapNode &n = vm->m_data[i];
- if(ndef->get(n).walkable)
- break;
-
- vm->m_area.add_y(em, i, -1);
- }
- return (y >= y_nodes_min) ? y : y_nodes_min - 1;
-}