+def replay_game():
+ """Replay game from record file.
+
+ Use opts.replay as breakpoint turn to which to replay automatically before
+ switching to manual input by non-meta commands in server input file
+ triggering further reads of record file. Ensure opts.replay is at least 1.
+ """
+ if opts.replay < 1:
+ opts.replay = 1
+ print("Replay mode. Auto-replaying up to turn " + str(opts.replay) +
+ " (if so late a turn is to be found).")
+ if not os.access(io_db["path_record"], os.F_OK):
+ raise SystemExit("No record file found to replay.")
+ io_db["file_record"] = open(io_db["path_record"], "r")
+ io_db["file_record"].prefix = "record file line "
+ io_db["file_record"].line_n = 1
+ while world_db["TURN"] < opts.replay:
+ line = io_db["file_record"].readline()
+ if "" == line:
+ break
+ obey(line.rstrip(), io_db["file_record"].prefix
+ + str(io_db["file_record"].line_n))
+ io_db["file_record"].line_n = io_db["file_record"].line_n + 1
+ while True:
+ obey(read_command(), "in file", replay=True)
+
+
+def play_game():
+ """Play game by server input file commands. Before, load save file found.
+
+ If no save file is found, a new world is generated from the commands in the
+ world config plus a 'MAKE WORLD [current Unix timestamp]'. Record this
+ command and all that follow via the server input file.
+ """
+ if os.access(io_db["path_save"], os.F_OK):
+ obey_lines_in_file(io_db["path_save"], "save")
+ else:
+ if not os.access(io_db["path_worldconf"], os.F_OK):
+ msg = "No world config file from which to start a new world."
+ raise SystemExit(msg)
+ obey_lines_in_file(io_db["path_worldconf"], "world config ",
+ do_record=True)
+ obey("MAKE_WORLD " + str(int(time.time())), "in file", do_record=True)
+ while True:
+ obey(read_command(), "in file", do_record=True)
+
+
+def remake_map():
+ # DUMMY.
+ print("I'd (re-)make the map now, if only I knew how.")
+
+
+def set_world_inactive():
+ """Set world_db["WORLD_ACTIVE"] to 0 and remove worldstate file."""
+ server_test()
+ if os.access(io_db["path_worldstate"], os.F_OK):
+ os.remove(io_db["path_worldstate"])
+ world_db["WORLD_ACTIVE"] = 0
+
+
+def worlddb_value_setter(key, min, max):
+ """Generate: Set world_db[key] to int(val_string) if >= min and <= max."""
+ def func(val_string):
+ try:
+ val = int(val_string)
+ if val < min or val > max:
+ raise ValueError
+ world_db[key] = val
+ except ValueError:
+ print("Ignoring: Please use integer >= " + str(min) + " and <= " +
+ str(max) + ".")
+ return func