- /*!
- * Returns false if the given line intersects with a
- * non-air node, true otherwise.
- * \param pos1 start of the line
- * \param pos2 end of the line
- * \param p output, position of the first non-air node
- * the line intersects
- */
- bool line_of_sight(v3f pos1, v3f pos2, v3s16 *p = NULL);
-