mv_result = mv_yx_in_dir_legal(dir, t["T_POSY"], t["T_POSX"])
if mv_result[0] and ord('.') == prol_map[mv_result[1]
* world_db["MAP_LENGTH"]
mv_result = mv_yx_in_dir_legal(dir, t["T_POSY"], t["T_POSX"])
if mv_result[0] and ord('.') == prol_map[mv_result[1]
* world_db["MAP_LENGTH"]