plomlompom.com Git - plomrogue/blob - roguelike-server

   1 #!/usr/bin/python3
   2
   3 # This file is part of PlomRogue. PlomRogue is licensed under the GPL version 3
   4 # or any later version. For details on its copyright, license, and warranties,
   5 # see the file NOTICE in the root directory of the PlomRogue source package.
   6
   7
   8 import argparse
   9 import errno
  10 import os
  11 import shlex
  12 import shutil
  13 import time
  14 import ctypes
  15
  16
  17 class RandomnessIO:
  18     """"Interface to libplomrogue's pseudo-randomness generator."""
  19
  20     def set_seed(self, seed):
  21         libpr.seed_rrand(1, seed)
  22
  23     def get_seed(self):
  24         return libpr.seed_rrand(0, 0)
  25
  26     def next(self):
  27         return libpr.rrand()
  28
  29     seed = property(get_seed, set_seed)
  30
  31
  32 def prep_library():
  33     """Prepare ctypes library at ./libplomrogue.so"""
  34     libpath = ("./libplomrogue.so")
  35     if not os.access(libpath, os.F_OK):
  36         raise SystemExit("No library " + libpath + ", run ./redo first?")
  37     libpr = ctypes.cdll.LoadLibrary(libpath)
  38     libpr.seed_rrand.restype = ctypes.c_uint32
  39     return libpr
  40
  41
  42 def c_pointer_to_bytearray(ba):
  43     """Return C char * pointer to ba."""
  44     type = ctypes.c_char * len(ba)
  45     return type.from_buffer(ba)
  46
  47
  48 def strong_write(file, string):
  49     """Apply write(string), then flush()."""
  50     file.write(string)
  51     file.flush()
  52
  53
  54 def setup_server_io():
  55     """Fill IO files DB with proper file( path)s. Write process IO test string.
  56
  57     Ensure IO files directory at server/. Remove any old input file if found.
  58     Set up new input file for reading, and new output file for writing. Start
  59     output file with process hash line of format PID + " " + floated UNIX time
  60     (io_db["teststring"]). Raise SystemExit if file is found at path of either
  61     record or save file plus io_db["tmp_suffix"].
  62     """
  63     def detect_atomic_leftover(path, tmp_suffix):
  64         path_tmp = path + tmp_suffix
  65         msg = "Found file '" + path_tmp + "' that may be a leftover from an " \
  66               "aborted previous attempt to write '" + path + "'. Aborting " \
  67              "until matter is resolved by removing it from its current path."
  68         if os.access(path_tmp, os.F_OK):
  69             raise SystemExit(msg)
  70     io_db["teststring"] = str(os.getpid()) + " " + str(time.time())
  71     io_db["save_wait"] = 0
  72     io_db["verbose"] = False
  73     io_db["record_chunk"] = ""
  74     os.makedirs(io_db["path_server"], exist_ok=True)
  75     io_db["file_out"] = open(io_db["path_out"], "w")
  76     strong_write(io_db["file_out"], io_db["teststring"] + "\n")
  77     if os.access(io_db["path_in"], os.F_OK):
  78         os.remove(io_db["path_in"])
  79     io_db["file_in"] = open(io_db["path_in"], "w")
  80     io_db["file_in"].close()
  81     io_db["file_in"] = open(io_db["path_in"], "r")
  82     detect_atomic_leftover(io_db["path_save"], io_db["tmp_suffix"])
  83     detect_atomic_leftover(io_db["path_record"], io_db["tmp_suffix"])
  84
  85
  86 def cleanup_server_io():
  87     """Close and (if io_db["kicked_by_rival"] false) remove files in io_db."""
  88     def helper(file_key, path_key):
  89         if file_key in io_db:
  90             io_db[file_key].close()
  91         if not io_db["kicked_by_rival"] \
  92            and os.access(io_db[path_key], os.F_OK):
  93             os.remove(io_db[path_key])
  94     helper("file_in", "path_in")
  95     helper("file_out", "path_out")
  96     helper("file_worldstate", "path_worldstate")
  97     if "file_record" in io_db:
  98         io_db["file_record"].close()
  99
 100
 101 def obey(command, prefix, replay=False, do_record=False):
 102     """Call function from commands_db mapped to command's first token.
 103
 104     Tokenize command string with shlex.split(comments=True). If replay is set,
 105     a non-meta command from the commands_db merely triggers obey() on the next
 106     command from the records file. If not, non-meta commands set
 107     io_db["worldstate_updateable"] to world_db["WORLD_EXISTS"], and, if
 108     do_record is set, are recorded to io_db["record_chunk"], and save_world()
 109     is called (and io_db["record_chunk"] written) if 15 seconds have passed
 110     since the last time it was called. The prefix string is inserted into the
 111     server's input message between its beginning 'input ' and ':'. All activity
 112     is preceded by a server_test() call.
 113     """
 114     server_test()
 115     if io_db["verbose"]:
 116         print("input " + prefix + ": " + command)
 117     try:
 118         tokens = shlex.split(command, comments=True)
 119     except ValueError as err:
 120         print("Can't tokenize command string: " + str(err) + ".")
 121         return
 122     if len(tokens) > 0 and tokens[0] in commands_db \
 123        and len(tokens) == commands_db[tokens[0]][0] + 1:
 124         if commands_db[tokens[0]][1]:
 125             commands_db[tokens[0]][2](*tokens[1:])
 126         elif replay:
 127             print("Due to replay mode, reading command as 'go on in record'.")
 128             line = io_db["file_record"].readline()
 129             if len(line) > 0:
 130                 obey(line.rstrip(), io_db["file_record"].prefix
 131                      + str(io_db["file_record"].line_n))
 132                 io_db["file_record"].line_n = io_db["file_record"].line_n + 1
 133             else:
 134                 print("Reached end of record file.")
 135         else:
 136             commands_db[tokens[0]][2](*tokens[1:])
 137             if do_record:
 138                 io_db["record_chunk"] += command + "\n"
 139                 if time.time() > io_db["save_wait"] + 15:
 140                     atomic_write(io_db["path_record"], io_db["record_chunk"],
 141                                  do_append=True)
 142                     save_world()
 143                     io_db["record_chunk"] = ""
 144                     io_db["save_wait"] = time.time()
 145             io_db["worldstate_updateable"] = world_db["WORLD_ACTIVE"]
 146     elif 0 != len(tokens):
 147         print("Invalid command/argument, or bad number of tokens.")
 148
 149
 150 def atomic_write(path, text, do_append=False, delete=True):
 151     """Atomic write of text to file at path, appended if do_append is set."""
 152     path_tmp = path + io_db["tmp_suffix"]
 153     mode = "w"
 154     if do_append:
 155         mode = "a"
 156         if os.access(path, os.F_OK):
 157             shutil.copyfile(path, path_tmp)
 158     file = open(path_tmp, mode)
 159     strong_write(file, text)
 160     file.close()
 161     if delete and os.access(path, os.F_OK):
 162         os.remove(path)
 163     os.rename(path_tmp, path)
 164
 165
 166 def save_world():
 167     """Save all commands needed to reconstruct current world state."""
 168
 169     def quote(string):
 170         string = string.replace("\u005C", '\u005C\u005C')
 171         return '"' + string.replace('"', '\u005C"') + '"'
 172
 173     def mapsetter(key):
 174         def helper(id):
 175             string = ""
 176             if world_db["Things"][id][key]:
 177                 map = world_db["Things"][id][key]
 178                 length = world_db["MAP_LENGTH"]
 179                 for i in range(length):
 180                     line = map[i * length:(i * length) + length].decode()
 181                     string = string + key + " " + str(i) + " " + quote(line) \
 182                              + "\n"
 183             return string
 184         return helper
 185
 186     def memthing(id):
 187         string = ""
 188         for memthing in world_db["Things"][id]["T_MEMTHING"]:
 189             string = string + "T_MEMTHING " + str(memthing[0]) + " " + \
 190                      str(memthing[1]) + " " + str(memthing[2]) + "\n"
 191         return string
 192
 193     def helper(category, id_string, special_keys={}):
 194         string = ""
 195         for id in world_db[category]:
 196             string = string + id_string + " " + str(id) + "\n"
 197             for key in world_db[category][id]:
 198                 if not key in special_keys:
 199                     x = world_db[category][id][key]
 200                     argument = quote(x) if str == type(x) else str(x)
 201                     string = string + key + " " + argument + "\n"
 202                 elif special_keys[key]:
 203                     string = string + special_keys[key](id)
 204         return string
 205
 206     string = ""
 207     for key in world_db:
 208         if dict != type(world_db[key]) and key != "MAP" and \
 209            key != "WORLD_ACTIVE" and key != "SEED_MAP":
 210             string = string + key + " " + str(world_db[key]) + "\n"
 211     string = string + "SEED_MAP " + str(world_db["SEED_MAP"]) + "\n"
 212     string = string + helper("ThingActions", "TA_ID")
 213     string = string + helper("ThingTypes", "TT_ID", {"TT_CORPSE_ID": False})
 214     for id in world_db["ThingTypes"]:
 215         string = string + "TT_ID " + str(id) + "\n" + "TT_CORPSE_ID " + \
 216                  str(world_db["ThingTypes"][id]["TT_CORPSE_ID"]) + "\n"
 217     string = string + helper("Things", "T_ID",
 218                              {"T_CARRIES": False, "carried": False,
 219                               "T_MEMMAP": mapsetter("T_MEMMAP"),
 220                               "T_MEMTHING": memthing, "fovmap": False,
 221                               "T_MEMDEPTHMAP": mapsetter("T_MEMDEPTHMAP")})
 222     for id in world_db["Things"]:
 223         if [] != world_db["Things"][id]["T_CARRIES"]:
 224             string = string + "T_ID " + str(id) + "\n"
 225             for carried_id in world_db["Things"][id]["T_CARRIES"]:
 226                 string = string + "T_CARRIES " + str(carried_id) + "\n"
 227     string = string + "SEED_RANDOMNESS " + str(rand.seed) + "\n" + \
 228              "WORLD_ACTIVE " + str(world_db["WORLD_ACTIVE"])
 229     atomic_write(io_db["path_save"], string)
 230
 231
 232 def obey_lines_in_file(path, name, do_record=False):
 233     """Call obey() on each line of path's file, use name in input prefix."""
 234     file = open(path, "r")
 235     line_n = 1
 236     for line in file.readlines():
 237         obey(line.rstrip(), name + "file line " + str(line_n),
 238              do_record=do_record)
 239         line_n = line_n + 1
 240     file.close()
 241
 242
 243 def parse_command_line_arguments():
 244     """Return settings values read from command line arguments."""
 245     parser = argparse.ArgumentParser()
 246     parser.add_argument('-s', nargs='?', type=int, dest='replay', const=1,
 247                         action='store')
 248     parser.add_argument('-l', nargs="?", const="save", dest='savefile',
 249                         action="store")
 250     parser.add_argument('-v', dest='verbose', action='store_true')
 251     opts, unknown = parser.parse_known_args()
 252     return opts
 253
 254
 255 def server_test():
 256     """Ensure valid server out file belonging to current process.
 257
 258     This is done by comparing io_db["teststring"] to what's found at the start
 259     of the current file at io_db["path_out"]. On failure, set
 260     io_db["kicked_by_rival"] and raise SystemExit.
 261     """
 262     if not os.access(io_db["path_out"], os.F_OK):
 263         raise SystemExit("Server output file has disappeared.")
 264     file = open(io_db["path_out"], "r")
 265     test = file.readline().rstrip("\n")
 266     file.close()
 267     if test != io_db["teststring"]:
 268         io_db["kicked_by_rival"] = True
 269         msg = "Server test string in server output file does not match. This" \
 270               " indicates that the current server process has been " \
 271               "superseded by another one."
 272         raise SystemExit(msg)
 273
 274
 275 def read_command():
 276     """Return next newline-delimited command from server in file.
 277
 278     Keep building return string until a newline is encountered. Pause between
 279     unsuccessful reads, and after too much waiting, run server_test().
 280     """
 281     wait_on_fail = 0.03333
 282     max_wait = 5
 283     now = time.time()
 284     command = ""
 285     while True:
 286         add = io_db["file_in"].readline()
 287         if len(add) > 0:
 288             command = command + add
 289             if len(command) > 0 and "\n" == command[-1]:
 290                 command = command[:-1]
 291                 break
 292         else:
 293             time.sleep(wait_on_fail)
 294             if now + max_wait < time.time():
 295                 server_test()
 296                 now = time.time()
 297     return command
 298
 299
 300 def try_worldstate_update():
 301     """Write worldstate file if io_db["worldstate_updateable"] is set."""
 302     if io_db["worldstate_updateable"]:
 303
 304         def draw_visible_Things(map, run):
 305             for id in world_db["Things"]:
 306                 type = world_db["Things"][id]["T_TYPE"]
 307                 consumable = world_db["ThingTypes"][type]["TT_CONSUMABLE"]
 308                 alive = world_db["ThingTypes"][type]["TT_LIFEPOINTS"]
 309                 if (0 == run and not consumable and not alive) \
 310                    or (1 == run and consumable and not alive) \
 311                    or (2 == run and alive):
 312                     y = world_db["Things"][id]["T_POSY"]
 313                     x = world_db["Things"][id]["T_POSX"]
 314                     fovflag = world_db["Things"][0]["fovmap"][(y * length) + x]
 315                     if 'v' == chr(fovflag):
 316                         c = world_db["ThingTypes"][type]["TT_SYMBOL"]
 317                         map[(y * length) + x] = ord(c)
 318
 319         def write_map(string, map):
 320             for i in range(length):
 321                 line = map[i * length:(i * length) + length].decode()
 322                 string = string + line + "\n"
 323             return string
 324
 325         inventory = ""
 326         if [] == world_db["Things"][0]["T_CARRIES"]:
 327             inventory = "(none)\n"
 328         else:
 329             for id in world_db["Things"][0]["T_CARRIES"]:
 330                 type_id = world_db["Things"][id]["T_TYPE"]
 331                 name = world_db["ThingTypes"][type_id]["TT_NAME"]
 332                 inventory = inventory + name + "\n"
 333         ## 7DRL additions:  GOD_MOOD, GOD_FAVOR
 334         string = str(world_db["TURN"]) + "\n" + \
 335                  str(world_db["GOD_MOOD"]) + "\n" + \
 336                  str(world_db["GOD_FAVOR"]) + "\n" + \
 337                  str(world_db["Things"][0]["T_LIFEPOINTS"]) + "\n" + \
 338                  str(world_db["Things"][0]["T_SATIATION"]) + "\n" + \
 339                  inventory + "%\n" + \
 340                  str(world_db["Things"][0]["T_POSY"]) + "\n" + \
 341                  str(world_db["Things"][0]["T_POSX"]) + "\n" + \
 342                  str(world_db["MAP_LENGTH"]) + "\n"
 343         length = world_db["MAP_LENGTH"]
 344         fov = bytearray(b' ' * (length ** 2))
 345         for pos in range(length ** 2):
 346             if 'v' == chr(world_db["Things"][0]["fovmap"][pos]):
 347                 fov[pos] = world_db["MAP"][pos]
 348         for i in range(3):
 349             draw_visible_Things(fov, i)
 350         string = write_map(string, fov)
 351         mem = world_db["Things"][0]["T_MEMMAP"][:]
 352         for i in range(2):
 353             for mt in world_db["Things"][0]["T_MEMTHING"]:
 354                 consumable = world_db["ThingTypes"][mt[0]]["TT_CONSUMABLE"]
 355                 if (i == 0 and not consumable) or (i == 1 and consumable):
 356                     c = world_db["ThingTypes"][mt[0]]["TT_SYMBOL"]
 357                     mem[(mt[1] * length) + mt[2]] = ord(c)
 358         string = write_map(string, mem)
 359         atomic_write(io_db["path_worldstate"], string, delete=False)
 360         strong_write(io_db["file_out"], "WORLD_UPDATED\n")
 361         io_db["worldstate_updateable"] = False
 362
 363
 364 def replay_game():
 365     """Replay game from record file.
 366
 367     Use opts.replay as breakpoint turn to which to replay automatically before
 368     switching to manual input by non-meta commands in server input file
 369     triggering further reads of record file. Ensure opts.replay is at least 1.
 370     Run try_worldstate_update() before each interactive obey()/read_command().
 371     """
 372     if opts.replay < 1:
 373         opts.replay = 1
 374     print("Replay mode. Auto-replaying up to turn " + str(opts.replay) +
 375           " (if so late a turn is to be found).")
 376     if not os.access(io_db["path_record"], os.F_OK):
 377         raise SystemExit("No record file found to replay.")
 378     io_db["file_record"] = open(io_db["path_record"], "r")
 379     io_db["file_record"].prefix = "record file line "
 380     io_db["file_record"].line_n = 1
 381     while world_db["TURN"] < opts.replay:
 382         line = io_db["file_record"].readline()
 383         if "" == line:
 384             break
 385         obey(line.rstrip(), io_db["file_record"].prefix
 386              + str(io_db["file_record"].line_n))
 387         io_db["file_record"].line_n = io_db["file_record"].line_n + 1
 388     while True:
 389         try_worldstate_update()
 390         obey(read_command(), "in file", replay=True)
 391
 392
 393 def play_game():
 394     """Play game by server input file commands. Before, load save file found.
 395
 396     If no save file is found, a new world is generated from the commands in the
 397     world config plus a 'MAKE WORLD [current Unix timestamp]'. Record this
 398     command and all that follow via the server input file. Run
 399     try_worldstate_update() before each interactive obey()/read_command().
 400     """
 401     if os.access(io_db["path_save"], os.F_OK):
 402         obey_lines_in_file(io_db["path_save"], "save")
 403     else:
 404         if not os.access(io_db["path_worldconf"], os.F_OK):
 405             msg = "No world config file from which to start a new world."
 406             raise SystemExit(msg)
 407         obey_lines_in_file(io_db["path_worldconf"], "world config ",
 408                            do_record=True)
 409         obey("MAKE_WORLD " + str(int(time.time())), "in file", do_record=True)
 410     while True:
 411         try_worldstate_update()
 412         obey(read_command(), "in file", do_record=True)
 413
 414
 415 def remake_map():
 416     """(Re-)make island map.
 417
 418     Let "~" represent water, "." land, "X" trees: Build island shape randomly,
 419     start with one land cell in the middle, then go into cycle of repeatedly
 420     selecting a random sea cell and transforming it into land if it is neighbor
 421     to land. The cycle ends when a land cell is due to be created at the map's
 422     border. Then put some trees on the map (TODO: more precise algorithm desc).
 423     """
 424     def is_neighbor(coordinates, type):
 425         y = coordinates[0]
 426         x = coordinates[1]
 427         length = world_db["MAP_LENGTH"]
 428         ind = y % 2
 429         diag_west = x + (ind > 0)
 430         diag_east = x + (ind < (length - 1))
 431         pos = (y * length) + x
 432         if (y > 0 and diag_east
 433             and type == chr(world_db["MAP"][pos - length + ind])) \
 434            or (x < (length - 1)
 435                and type == chr(world_db["MAP"][pos + 1])) \
 436            or (y < (length - 1) and diag_east
 437                and type == chr(world_db["MAP"][pos + length + ind])) \
 438            or (y > 0 and diag_west
 439                and type == chr(world_db["MAP"][pos - length - (not ind)])) \
 440            or (x > 0
 441                and type == chr(world_db["MAP"][pos - 1])) \
 442            or (y < (length - 1) and diag_west
 443                and type == chr(world_db["MAP"][pos + length - (not ind)])):
 444             return True
 445         return False
 446     store_seed = rand.seed
 447     rand.seed = world_db["SEED_MAP"]
 448     world_db["MAP"] = bytearray(b'~' * (world_db["MAP_LENGTH"] ** 2))
 449     length = world_db["MAP_LENGTH"]
 450     add_half_width = (not (length % 2)) * int(length / 2)
 451     world_db["MAP"][int((length ** 2) / 2) + add_half_width] = ord(".")
 452     while (1):
 453         y = rand.next() % length
 454         x = rand.next() % length
 455         pos = (y * length) + x
 456         if "~" == chr(world_db["MAP"][pos]) and is_neighbor((y, x), "."):
 457             if y == 0 or y == (length - 1) or x == 0 or x == (length - 1):
 458                 break
 459             world_db["MAP"][pos] = ord(".")
 460     n_trees = int((length ** 2) / 16)
 461     i_trees = 0
 462     while (i_trees <= n_trees):
 463         single_allowed = rand.next() % 32
 464         y = rand.next() % length
 465         x = rand.next() % length
 466         pos = (y * length) + x
 467         if "." == chr(world_db["MAP"][pos]) \
 468           and ((not single_allowed) or is_neighbor((y, x), "X")):
 469             world_db["MAP"][pos] = ord("X")
 470             i_trees += 1
 471     rand.seed = store_seed
 472     # This all-too-precise replica of the original C code misses iter_limit().
 473
 474
 475 def update_map_memory(t, age_map=True):
 476     """Update t's T_MEMMAP with what's in its FOV now,age its T_MEMMEPTHMAP."""
 477     def age_some_memdepthmap_on_nonfov_cells():
 478         # OUTSOURCED FOR PERFORMANCE REASONS TO libplomrogue.so:
 479         # ord_v = ord("v")
 480         # ord_0 = ord("0")
 481         # ord_9 = ord("9")
 482         # for pos in [pos for pos in range(world_db["MAP_LENGTH"] ** 2)
 483         #             if not ord_v == t["fovmap"][pos]
 484         #             if ord_0 <= t["T_MEMDEPTHMAP"][pos]
 485         #             if ord_9 > t["T_MEMDEPTHMAP"][pos]
 486         #             if not rand.next() % (2 **
 487         #                                   (t["T_MEMDEPTHMAP"][pos] - 48))]:
 488         #     t["T_MEMDEPTHMAP"][pos] += 1
 489         memdepthmap = c_pointer_to_bytearray(t["T_MEMDEPTHMAP"])
 490         fovmap = c_pointer_to_bytearray(t["fovmap"])
 491         libpr.age_some_memdepthmap_on_nonfov_cells(memdepthmap, fovmap)
 492     if not t["T_MEMMAP"]:
 493         t["T_MEMMAP"] = bytearray(b' ' * (world_db["MAP_LENGTH"] ** 2))
 494     if not t["T_MEMDEPTHMAP"]:
 495         t["T_MEMDEPTHMAP"] = bytearray(b' ' * (world_db["MAP_LENGTH"] ** 2))
 496     ord_v = ord("v")
 497     ord_0 = ord("0")
 498     ord_space = ord(" ")
 499     for pos in [pos for pos in range(world_db["MAP_LENGTH"] ** 2)
 500                 if ord_v == t["fovmap"][pos]]:
 501         t["T_MEMDEPTHMAP"][pos] = ord_0
 502         if ord_space == t["T_MEMMAP"][pos]:
 503             t["T_MEMMAP"][pos] = world_db["MAP"][pos]
 504     if age_map:
 505         age_some_memdepthmap_on_nonfov_cells()
 506     for mt in [mt for mt in t["T_MEMTHING"]
 507                if ord_v == t["fovmap"][(mt[1] * world_db["MAP_LENGTH"])
 508                                        + mt[2]]]:
 509         t["T_MEMTHING"].remove(mt)
 510     for id in [id for id in world_db["Things"]
 511                if not world_db["Things"][id]["carried"]]:
 512         type = world_db["Things"][id]["T_TYPE"]
 513         if not world_db["ThingTypes"][type]["TT_LIFEPOINTS"]:
 514             y = world_db["Things"][id]["T_POSY"]
 515             x = world_db["Things"][id]["T_POSX"]
 516             if ord_v == t["fovmap"][(y * world_db["MAP_LENGTH"]) + x]:
 517                 t["T_MEMTHING"].append((type, y, x))
 518
 519
 520 def set_world_inactive():
 521     """Set world_db["WORLD_ACTIVE"] to 0 and remove worldstate file."""
 522     server_test()
 523     if os.access(io_db["path_worldstate"], os.F_OK):
 524         os.remove(io_db["path_worldstate"])
 525     world_db["WORLD_ACTIVE"] = 0
 526
 527
 528 def integer_test(val_string, min, max=None):
 529     """Return val_string if possible integer >= min and <= max, else None."""
 530     try:
 531         val = int(val_string)
 532         if val < min or (max is not None and val > max):
 533             raise ValueError
 534         return val
 535     except ValueError:
 536         msg = "Ignoring: Please use integer >= " + str(min)
 537         if max is not None:
 538             msg += " and <= " + str(max)
 539         msg += "."
 540         print(msg)
 541         return None
 542
 543
 544 def setter(category, key, min, max=None):
 545     """Build setter for world_db([category + "s"][id])[key] to >=min/<=max."""
 546     if category is None:
 547         def f(val_string):
 548             val = integer_test(val_string, min, max)
 549             if None != val:
 550                 world_db[key] = val
 551     else:
 552         if category == "Thing":
 553             id_store = command_tid
 554             decorator = test_Thing_id
 555         elif category == "ThingType":
 556             id_store = command_ttid
 557             decorator = test_ThingType_id
 558         elif category == "ThingAction":
 559             id_store = command_taid
 560             decorator = test_ThingAction_id
 561
 562         @decorator
 563         def f(val_string):
 564             val = integer_test(val_string, min, max)
 565             if None != val:
 566                 world_db[category + "s"][id_store.id][key] = val
 567     return f
 568
 569
 570 def build_fov_map(t):
 571     """Build Thing's FOV map."""
 572     t["fovmap"] = bytearray(b'v' * (world_db["MAP_LENGTH"] ** 2))
 573     fovmap = c_pointer_to_bytearray(t["fovmap"])
 574     map = c_pointer_to_bytearray(world_db["MAP"])
 575     if libpr.build_fov_map(t["T_POSY"], t["T_POSX"], fovmap, map):
 576         raise RuntimeError("Malloc error in build_fov_Map().")
 577
 578
 579 def decrement_lifepoints(t):
 580     """Decrement t's lifepoints by 1, and if to zero, corpse it.
 581
 582     If t is the player avatar, only blank its fovmap, so that the client may
 583     still display memory data. On non-player things, erase fovmap and memory.
 584     """
 585     t["T_LIFEPOINTS"] -= 1
 586     if 0 == t["T_LIFEPOINTS"]:
 587         t["T_TYPE"] = world_db["ThingTypes"][t["T_TYPE"]]["TT_CORPSE_ID"]
 588         if world_db["Things"][0] == t:
 589             t["fovmap"] = bytearray(b' ' * (world_db["MAP_LENGTH"] ** 2))
 590             strong_write(io_db["file_out"], "LOG You die.\n")
 591         else:
 592             t["fovmap"] = False
 593             t["T_MEMMAP"] = False
 594             t["T_MEMDEPTHMAP"] = False
 595             t["T_MEMTHING"] = []
 596             strong_write(io_db["file_out"], "LOG It dies.\n")
 597
 598
 599 def mv_yx_in_dir_legal(dir, y, x):
 600     """Wrapper around libpr.mv_yx_in_dir_legal to simplify its use."""
 601     dir_c = dir.encode("ascii")[0]
 602     test = libpr.mv_yx_in_dir_legal_wrap(dir_c, y, x)
 603     if -1 == test:
 604         raise RuntimeError("Too much wrapping in mv_yx_in_dir_legal_wrap()!")
 605     return (test, libpr.result_y(), libpr.result_x())
 606
 607
 608 def actor_wait(t):
 609     """Make t do nothing (but loudly, if player avatar)."""
 610     if t == world_db["Things"][0]:
 611         strong_write(io_db["file_out"], "LOG You wait.\n")
 612
 613
 614 def actor_move(t):
 615     """If passable, move/collide(=attack) thing into T_ARGUMENT's direction."""
 616     passable = False
 617     move_result = mv_yx_in_dir_legal(chr(t["T_ARGUMENT"]),
 618                                      t["T_POSY"], t["T_POSX"])
 619     if 1 == move_result[0]:
 620         pos = (move_result[1] * world_db["MAP_LENGTH"]) + move_result[2]
 621         passable = "." == chr(world_db["MAP"][pos])
 622         hitted = [id for id in world_db["Things"]
 623                   if world_db["Things"][id] != t
 624                   if world_db["Things"][id]["T_LIFEPOINTS"]
 625                   if world_db["Things"][id]["T_POSY"] == move_result[1]
 626                   if world_db["Things"][id]["T_POSX"] == move_result[2]]
 627         if len(hitted):
 628             hit_id = hitted[0]
 629             if t == world_db["Things"][0]:
 630                 hitted_name = world_db["ThingTypes"][hitted_type]["TT_NAME"]
 631                 strong_write(io_db["file_out"], "LOG You wound " + hitted +
 632                                                 ".\n")
 633             elif 0 == hit_id:
 634                 hitter_name = world_db["ThingTypes"][t["T_TYPE"]]["TT_NAME"]
 635                 strong_write(io_db["file_out"], "LOG " + hitter +
 636                                                 " wounds you.\n")
 637             decrement_lifepoints(world_db["Things"][hit_id])
 638             return
 639     dir = [dir for dir in directions_db
 640            if directions_db[dir] == chr(t["T_ARGUMENT"])][0]
 641     if passable:
 642         t["T_POSY"] = move_result[1]
 643         t["T_POSX"] = move_result[2]
 644         for id in t["T_CARRIES"]:
 645             world_db["Things"][id]["T_POSY"] = move_result[1]
 646             world_db["Things"][id]["T_POSX"] = move_result[2]
 647         build_fov_map(t)
 648         if t == world_db["Things"][0]:
 649             strong_write(io_db["file_out"], "LOG You move " + dir + ".\n")
 650     elif t == world_db["Things"][0]:
 651         strong_write(io_db["file_out"], "LOG You fail to move " + dir + ".\n")
 652
 653
 654 def actor_pick_up(t):
 655     """Make t pick up (topmost?) Thing from ground into inventory."""
 656     # Topmostness is actually not defined so far. Picks Thing with highest ID.
 657     ids = [id for id in world_db["Things"] if world_db["Things"][id] != t
 658            if not world_db["Things"][id]["carried"]
 659            if world_db["Things"][id]["T_POSY"] == t["T_POSY"]
 660            if world_db["Things"][id]["T_POSX"] == t["T_POSX"]]
 661     if len(ids):
 662         highest_id = 0
 663         for id in ids:
 664             if id > highest_id:
 665                 highest_id = id
 666         world_db["Things"][highest_id]["carried"] = True
 667         t["T_CARRIES"].append(highest_id)
 668         if t == world_db["Things"][0]:
 669             strong_write(io_db["file_out"], "LOG You pick up an object.\n")
 670     elif t == world_db["Things"][0]:
 671         err = "You try to pick up an object, but there is none."
 672         strong_write(io_db["file_out"], "LOG " + err + "\n")
 673
 674
 675 def actor_drop(t):
 676     """Make t rop Thing from inventory to ground indexed by T_ARGUMENT."""
 677     # TODO: Handle case where T_ARGUMENT matches nothing.
 678     if len(t["T_CARRIES"]):
 679         id = t["T_CARRIES"][t["T_ARGUMENT"]]
 680         t["T_CARRIES"].remove(id)
 681         world_db["Things"][id]["carried"] = False
 682         if t == world_db["Things"][0]:
 683             strong_write(io_db["file_out"], "LOG You drop an object.\n")
 684     elif t == world_db["Things"][0]:
 685         err = "You try to drop an object, but you own none."
 686         strong_write(io_db["file_out"], "LOG " + err + "\n")
 687
 688
 689 def actor_use(t):
 690     """Make t use (for now: consume) T_ARGUMENT-indexed Thing in inventory."""
 691     # TODO: Handle case where T_ARGUMENT matches nothing.
 692     if len(t["T_CARRIES"]):
 693         id = t["T_CARRIES"][t["T_ARGUMENT"]]
 694         type = world_db["Things"][id]["T_TYPE"]
 695         if world_db["ThingTypes"][type]["TT_CONSUMABLE"]:
 696             t["T_CARRIES"].remove(id)
 697             del world_db["Things"][id]
 698             t["T_SATIATION"] += world_db["ThingTypes"][type]["TT_CONSUMABLE"]
 699             if t == world_db["Things"][0]:
 700                 strong_write(io_db["file_out"],
 701                              "LOG You consume this object.\n")
 702         elif t == world_db["Things"][0]:
 703             strong_write(io_db["file_out"],
 704                          "LOG You try to use this object, but fail.\n")
 705     elif t == world_db["Things"][0]:
 706         strong_write(io_db["file_out"],
 707                      "LOG You try to use an object, but you own none.\n")
 708
 709
 710 def thingproliferation(t):
 711     """To chance of 1/TT_PROLIFERATE, create t offspring in neighbor cell.
 712
 713     Naturally only works with TT_PROLIFERATE > 0. The neighbor cell must be
 714     passable and not be inhabited by a Thing of the same type, or, if Thing is
 715     animate, any other animate Thing. If there are several map cell candidates,
 716     one is selected randomly.
 717     """
 718     def test_cell(t, y, x):
 719         if "." == chr(world_db["MAP"][(y * world_db["MAP_LENGTH"]) + x]):
 720             for id in [id for id in world_db["Things"]
 721                        if y == world_db["Things"][id]["T_POSY"]
 722                        if x == world_db["Things"][id]["T_POSX"]
 723                        if (t["T_TYPE"] == world_db["Things"][id]["T_TYPE"])
 724                        or (t["T_LIFEPOINTS"] and
 725                            world_db["Things"][id]["T_LIFEPOINTS"])]:
 726                 return False
 727             return True
 728         return False
 729     prolscore = world_db["ThingTypes"][t["T_TYPE"]]["TT_PROLIFERATE"]
 730     if prolscore and (1 == prolscore or 1 == (rand.next() % prolscore)):
 731         candidates = []
 732         for dir in [directions_db[key] for key in directions_db]:
 733             mv_result = mv_yx_in_dir_legal(dir, t["T_POSY"], t["T_POSX"])
 734             if mv_result[0] and test_cell(t, mv_result[1], mv_result[2]):
 735                 candidates.append((mv_result[1], mv_result[2]))
 736         if len(candidates):
 737             i = rand.next() % len(candidates)
 738             id = id_setter(-1, "Things")
 739             newT = new_Thing(t["T_TYPE"], (candidates[i][0], candidates[i][1]))
 740             world_db["Things"][id] = newT
 741
 742
 743 def try_healing(t):
 744     """Grow t's HP to a 1/32 chance if < HP max, satiation > 0, and waiting.
 745
 746     On success, decrease satiation score by 32.
 747     """
 748     if t["T_SATIATION"] > 0 \
 749        and t["T_LIFEPOINTS"] < \
 750            world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"] \
 751        and 0 == (rand.next() % 31) \
 752        and t["T_COMMAND"] == [id for id in world_db["ThingActions"]
 753                               if world_db["ThingActions"][id]["TA_NAME"] ==
 754                                  "wait"][0]:
 755         t["T_LIFEPOINTS"] += 1
 756         t["T_SATIATION"] -= 32
 757         if t == world_db["Things"][0]:
 758             strong_write(io_db["file_out"], "LOG You heal.\n")
 759
 760
 761 def hunger(t):
 762     """Decrement t's satiation,dependent on it trigger lifepoint dec chance."""
 763     if t["T_SATIATION"] > -32768:
 764         t["T_SATIATION"] -= 1
 765     testbase = t["T_SATIATION"] if t["T_SATIATION"] >= 0 else -t["T_SATIATION"]
 766     if not world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"]:
 767         raise RuntimeError("A thing that should not hunger is hungering.")
 768     stomach = int(32767 / world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"])
 769     if int(int(testbase / stomach) / ((rand.next() % stomach) + 1)):
 770         if t == world_db["Things"][0]:
 771             strong_write(io_db["file_out"], "LOG You suffer from hunger.\n")
 772         decrement_lifepoints(t)
 773
 774
 775 def get_dir_to_target(t, filter):
 776     """Try to set T_COMMAND/T_ARGUMENT for move to "filter"-determined target.
 777
 778     The path-wise nearest target is chosen, via the shortest available path.
 779     Target must not be t. On succcess, return positive value, else False.
 780     Filters:
 781     "a": Thing in FOV is below a certain distance, animate, but of ThingType
 782          that is not t's, and starts out weaker than t is; build path as
 783          avoiding things of t's ThingType
 784     "f": neighbor cell (not inhabited by any animate Thing) further away from
 785          animate Thing not further than x steps away and in FOV and of a
 786          ThingType that is not t's, and starts out stronger or as strong as t
 787          is currently; or (cornered), if no such flight cell, but Thing of
 788          above criteria is too near,1 a cell closer to it, or, if less near,
 789          just wait
 790     "c": Thing in memorized map is consumable
 791     "s": memory map cell with greatest-reachable degree of unexploredness
 792     """
 793
 794     def zero_score_map_where_char_on_memdepthmap(c):
 795         # OUTSOURCED FOR PERFORMANCE REASONS TO libplomrogue.so:
 796         # for i in [i for i in range(world_db["MAP_LENGTH"] ** 2)
 797         #           if t["T_MEMDEPTHMAP"][i] == mem_depth_c[0]]:
 798         #     set_map_score(i, 0)
 799         map = c_pointer_to_bytearray(t["T_MEMDEPTHMAP"])
 800         if libpr.zero_score_map_where_char_on_memdepthmap(c, map):
 801             raise RuntimeError("No score map allocated for "
 802                                "zero_score_map_where_char_on_memdepthmap().")
 803
 804     def set_map_score(pos, score):
 805         test = libpr.set_map_score(pos, score)
 806         if test:
 807             raise RuntimeError("No score map allocated for set_map_score().")
 808
 809     def get_map_score(pos):
 810         result = libpr.get_map_score(pos)
 811         if result < 0:
 812             raise RuntimeError("No score map allocated for get_map_score().")
 813         return result
 814
 815     def seeing_thing():
 816         if t["fovmap"] and ("a" == filter or "f" == filter):
 817             for id in world_db["Things"]:
 818                 Thing = world_db["Things"][id]
 819                 if Thing != t and Thing["T_LIFEPOINTS"] and \
 820                    t["T_TYPE"] != Thing["T_TYPE"] and \
 821                    'v' == chr(t["fovmap"][(Thing["T_POSY"]
 822                                           * world_db["MAP_LENGTH"])
 823                                           + Thing["T_POSX"]]):
 824                     ThingType = world_db["ThingTypes"][Thing["T_TYPE"]]
 825                     if ("f" == filter and ThingType["TT_LIFEPOINTS"] >=
 826                                           t["T_LIFEPOINTS"]) \
 827                        or ("a" == filter and ThingType["TT_LIFEPOINTS"] <
 828                                              t["T_LIFEPOINTS"]):
 829                         return True
 830         elif t["T_MEMMAP"] and "c" == filter:
 831             for mt in t["T_MEMTHING"]:
 832                 if ' ' != chr(t["T_MEMMAP"][(mt[1] * world_db["MAP_LENGTH"])
 833                                          + mt[2]]) \
 834                    and world_db["ThingTypes"][mt[0]]["TT_CONSUMABLE"]:
 835                     return True
 836         return False
 837
 838     def set_cells_passable_on_memmap_to_65534_on_scoremap():
 839         # OUTSOURCED FOR PERFORMANCE REASONS TO libplomrogue.so:
 840         # ord_dot = ord(".")
 841         # memmap = t["T_MEMMAP"]
 842         # for i in [i for i in range(world_db["MAP_LENGTH"] ** 2)
 843         #            if ord_dot == memmap[i]]:
 844         #     set_map_score(i, 65534) # i.e. 65535-1
 845         map = c_pointer_to_bytearray(t["T_MEMMAP"])
 846         if libpr.set_cells_passable_on_memmap_to_65534_on_scoremap(map):
 847             raise RuntimeError("No score map allocated for "
 848                         "set_cells_passable_on_memmap_to_65534_on_scoremap().")
 849
 850     def init_score_map():
 851         test = libpr.init_score_map()
 852         if test:
 853             raise RuntimeError("Malloc error in init_score_map().")
 854         ord_v = ord("v")
 855         ord_blank = ord(" ")
 856         set_cells_passable_on_memmap_to_65534_on_scoremap()
 857         if "a" == filter:
 858             for id in world_db["Things"]:
 859                 Thing = world_db["Things"][id]
 860                 pos = Thing["T_POSY"] * world_db["MAP_LENGTH"] \
 861                       + Thing["T_POSX"]
 862                 if t != Thing and Thing["T_LIFEPOINTS"] and \
 863                    t["T_TYPE"] != Thing["T_TYPE"] and \
 864                    ord_v == t["fovmap"][pos] and \
 865                    t["T_LIFEPOINTS"] > \
 866                    world_db["ThingTypes"][Thing["T_TYPE"]]["TT_LIFEPOINTS"]:
 867                     set_map_score(pos, 0)
 868                 elif t["T_TYPE"] == Thing["T_TYPE"]:
 869                     set_map_score(pos, 65535)
 870         elif "f" == filter:
 871             for id in [id for id in world_db["Things"]
 872                        if world_db["Things"][id]["T_LIFEPOINTS"]]:
 873                 Thing = world_db["Things"][id]
 874                 pos = Thing["T_POSY"] * world_db["MAP_LENGTH"] \
 875                       + Thing["T_POSX"]
 876                 if t["T_TYPE"] != Thing["T_TYPE"] and \
 877                    ord_v == t["fovmap"][pos] and \
 878                    t["T_LIFEPOINTS"] <= \
 879                    world_db["ThingTypes"][Thing["T_TYPE"]]["TT_LIFEPOINTS"]:
 880                     set_map_score(pos, 0)
 881         elif "c" == filter:
 882             for mt in [mt for mt in t["T_MEMTHING"]
 883                        if ord_blank != t["T_MEMMAP"][mt[1]
 884                                                     * world_db["MAP_LENGTH"]
 885                                                     + mt[2]]
 886                        if world_db["ThingTypes"][mt[0]]["TT_CONSUMABLE"]]:
 887                 set_map_score(mt[1] * world_db["MAP_LENGTH"] + mt[2], 0)
 888         elif "s" == filter:
 889             zero_score_map_where_char_on_memdepthmap(mem_depth_c[0])
 890
 891     def rand_target_dir(neighbors, cmp, dirs):
 892         candidates = []
 893         n_candidates = 0
 894         for i in range(len(dirs)):
 895             if cmp == neighbors[i]:
 896                 candidates.append(dirs[i])
 897                 n_candidates += 1
 898         return candidates[rand.next() % n_candidates] if n_candidates else 0
 899
 900     def get_neighbor_scores(dirs, eye_pos):
 901         scores = []
 902         if libpr.ready_neighbor_scores(eye_pos):
 903             raise RuntimeError("No score map allocated for " +
 904                                "ready_neighbor_scores.()")
 905         for i in range(len(dirs)):
 906             scores.append(libpr.get_neighbor_score(i))
 907         return scores
 908
 909     def get_dir_from_neighbors():
 910         dir_to_target = False
 911         dirs = "edcxsw"
 912         eye_pos = t["T_POSY"] * world_db["MAP_LENGTH"] + t["T_POSX"]
 913         neighbors = get_neighbor_scores(dirs, eye_pos)
 914         if "f" == filter:
 915             inhabited = [world_db["Things"][id]["T_POSY"]
 916                          * world_db["MAP_LENGTH"]
 917                          + world_db["Things"][id]["T_POSX"]
 918                          for id in world_db["Things"]
 919                          if world_db["Things"][id]["T_LIFEPOINTS"]]
 920             for i in range(len(dirs)):
 921                 mv_yx_in_dir_legal(dirs[i], t["T_POSY"], t["T_POSX"])
 922                 pos_cmp = libpr.result_y() * world_db["MAP_LENGTH"] \
 923                           + libpr.result_x()
 924                 for pos in [pos for pos in inhabited if pos == pos_cmp]:
 925                     neighbors[i] = 65535
 926                     break
 927         minmax_start = 0 if "f" == filter else 65535 - 1
 928         minmax_neighbor = minmax_start
 929         for i in range(len(dirs)):
 930             if ("f" == filter and get_map_score(eye_pos) < neighbors[i] and
 931                 minmax_neighbor < neighbors[i] and 65535 != neighbors[i]) \
 932                or ("f" != filter and minmax_neighbor > neighbors[i]):
 933                 minmax_neighbor = neighbors[i]
 934         if minmax_neighbor != minmax_start:
 935             dir_to_target = rand_target_dir(neighbors, minmax_neighbor, dirs)
 936         if "f" == filter:
 937             if not dir_to_target:
 938                 if 1 == get_map_score(eye_pos):
 939                     dir_to_target = rand_target_dir(neighbors, 0, dirs)
 940                 elif 3 >= get_map_score(eye_pos):
 941                     t["T_COMMAND"] = [id for id in world_db["ThingActions"]
 942                                       if
 943                                       world_db["ThingActions"][id]["TA_NAME"]
 944                                          == "wait"][0]
 945                     return 1
 946             elif dir_to_target and 3 < get_map_score(eye_pos):
 947                 dir_to_target = 0
 948         elif "a" == filter and 10 <= get_map_score(eye_pos):
 949             dir_to_target = 0
 950         return dir_to_target
 951
 952     dir_to_target = False
 953     mem_depth_c = b' '
 954     run_i = 9 + 1 if "s" == filter else 1
 955     while run_i and not dir_to_target and ("s" == filter or seeing_thing()):
 956         run_i -= 1
 957         init_score_map()
 958         mem_depth_c = b'9' if b' ' == mem_depth_c \
 959                            else bytes([mem_depth_c[0] - 1])
 960         if libpr.dijkstra_map():
 961             raise RuntimeError("No score map allocated for dijkstra_map().")
 962         dir_to_target = get_dir_from_neighbors()
 963         libpr.free_score_map()
 964         if dir_to_target and str == type(dir_to_target):
 965             t["T_COMMAND"] = [id for id in world_db["ThingActions"]
 966                               if world_db["ThingActions"][id]["TA_NAME"]
 967                                  == "move"][0]
 968             t["T_ARGUMENT"] = ord(dir_to_target)
 969     return dir_to_target
 970
 971
 972 def standing_on_consumable(t):
 973     """Return True/False whether t is standing on a consumable."""
 974     for id in [id for id in world_db["Things"] if world_db["Things"][id] != t
 975                if world_db["Things"][id]["T_POSY"] == t["T_POSY"]
 976                if world_db["Things"][id]["T_POSX"] == t["T_POSX"]
 977                if world_db["ThingTypes"][world_db["Things"][id]["T_TYPE"]]
 978                           ["TT_CONSUMABLE"]]:
 979         return True
 980     return False
 981
 982
 983 def get_inventory_slot_to_consume(t):
 984     """Return slot Id of strongest consumable in t's inventory, else -1."""
 985     cmp_consumability = 0
 986     selection = -1
 987     i = 0
 988     for id in t["T_CARRIES"]:
 989         type = world_db["Things"][id]["T_TYPE"]
 990         if world_db["ThingTypes"][type]["TT_CONSUMABLE"] > cmp_consumability:
 991             cmp_consumability = world_db["ThingTypes"][type]["TT_CONSUMABLE"]
 992             selection = i
 993         i += 1
 994     return selection
 995
 996
 997 def ai(t):
 998     """Determine next command/argment for actor t via AI algorithms.
 999
1000     AI will look for, and move towards, enemies (animate Things not of their
1001     own ThingType); if they see none, they will consume consumables in their
1002     inventory; if there are none, they will pick up what they stand on if they
1003     stand on consumables; if they stand on none, they will move towards the
1004     next consumable they see or remember on the map; if they see or remember
1005     none, they will explore parts of the map unseen since ever or for at least
1006     one turn; if there is nothing to explore, they will simply wait.
1007     """
1008     t["T_COMMAND"] = [id for id in world_db["ThingActions"]
1009                       if world_db["ThingActions"][id]["TA_NAME"] == "wait"][0]
1010     if not get_dir_to_target(t, "f"):
1011         sel = get_inventory_slot_to_consume(t)
1012         if -1 != sel:
1013             t["T_COMMAND"] = [id for id in world_db["ThingActions"]
1014                               if world_db["ThingActions"][id]["TA_NAME"]
1015                                  == "use"][0]
1016             t["T_ARGUMENT"] = sel
1017         elif standing_on_consumable(t):
1018             t["T_COMMAND"] = [id for id in world_db["ThingActions"]
1019                               if world_db["ThingActions"][id]["TA_NAME"]
1020                                  == "pick_up"][0]
1021         elif (not get_dir_to_target(t, "c")) and \
1022              (not get_dir_to_target(t, "a")):
1023             get_dir_to_target(t, "s")
1024
1025
1026 def turn_over():
1027     """Run game world and its inhabitants until new player input expected."""
1028     id = 0
1029     whilebreaker = False
1030     while world_db["Things"][0]["T_LIFEPOINTS"]:
1031         for id in [id for id in world_db["Things"]]:  # Only what's from start!
1032             if not id in world_db["Things"] or \
1033                world_db["Things"][id]["carried"]:   # May have been consumed or
1034                 continue                            # picked up during turn …
1035             Thing = world_db["Things"][id]
1036             if Thing["T_LIFEPOINTS"]:
1037                 if not Thing["T_COMMAND"]:
1038                     update_map_memory(Thing)
1039                     if 0 == id:
1040                         whilebreaker = True
1041                         break
1042                     ai(Thing)
1043                 try_healing(Thing)
1044                 Thing["T_PROGRESS"] += 1
1045                 taid = [a for a in world_db["ThingActions"]
1046                           if a == Thing["T_COMMAND"]][0]
1047                 ThingAction = world_db["ThingActions"][taid]
1048                 if Thing["T_PROGRESS"] == ThingAction["TA_EFFORT"]:
1049                     eval("actor_" + ThingAction["TA_NAME"])(Thing)
1050                     Thing["T_COMMAND"] = 0
1051                     Thing["T_PROGRESS"] = 0
1052                 hunger(Thing)
1053             thingproliferation(Thing)
1054         if whilebreaker:
1055             break
1056         world_db["TURN"] += 1
1057
1058
1059 def new_Thing(type, pos=(0, 0)):
1060     """Return Thing of type T_TYPE, with fovmap if alive and world active."""
1061     thing = {
1062         "T_LIFEPOINTS": world_db["ThingTypes"][type]["TT_LIFEPOINTS"],
1063         "T_ARGUMENT": 0,
1064         "T_PROGRESS": 0,
1065         "T_SATIATION": 0,
1066         "T_COMMAND": 0,
1067         "T_TYPE": type,
1068         "T_POSY": pos[0],
1069         "T_POSX": pos[1],
1070         "T_CARRIES": [],
1071         "carried": False,
1072         "T_MEMTHING": [],
1073         "T_MEMMAP": False,
1074         "T_MEMDEPTHMAP": False,
1075         "fovmap": False
1076     }
1077     if world_db["WORLD_ACTIVE"] and thing["T_LIFEPOINTS"]:
1078         build_fov_map(thing)
1079     return thing
1080
1081
1082 def id_setter(id, category, id_store=False, start_at_1=False):
1083     """Set ID of object of category to manipulate ID unused? Create new one.
1084
1085     The ID is stored as id_store.id (if id_store is set). If the integer of the
1086     input is valid (if start_at_1, >= 0, else >= -1), but <0 or (if start_at_1)
1087     <1, calculate new ID: lowest unused ID >=0 or (if start_at_1) >= 1. None is
1088     always returned when no new object is created, otherwise the new object's
1089     ID.
1090     """
1091     min = 0 if start_at_1 else -1
1092     if str == type(id):
1093         id = integer_test(id, min)
1094     if None != id:
1095         if id in world_db[category]:
1096             if id_store:
1097                 id_store.id = id
1098             return None
1099         else:
1100             if (start_at_1 and 0 == id) \
1101                or ((not start_at_1) and (id < 0)):
1102                 id = 0 if start_at_1 else -1
1103                 while 1:
1104                     id = id + 1
1105                     if id not in world_db[category]:
1106                         break
1107             if id_store:
1108                 id_store.id = id
1109     return id
1110
1111
1112 def command_ping():
1113     """Send PONG line to server output file."""
1114     strong_write(io_db["file_out"], "PONG\n")
1115
1116
1117 def command_quit():
1118     """Abort server process."""
1119     save_world()
1120     atomic_write(io_db["path_record"], io_db["record_chunk"], do_append=True)
1121     raise SystemExit("received QUIT command")
1122
1123
1124 def command_thingshere(str_y, str_x):
1125     """Write to out file list of Things known to player at coordinate y, x."""
1126     if world_db["WORLD_ACTIVE"]:
1127         y = integer_test(str_y, 0, 255)
1128         x = integer_test(str_x, 0, 255)
1129         length = world_db["MAP_LENGTH"]
1130         if None != y and None != x and y < length and x < length:
1131             pos = (y * world_db["MAP_LENGTH"]) + x
1132             strong_write(io_db["file_out"], "THINGS_HERE START\n")
1133             if "v" == chr(world_db["Things"][0]["fovmap"][pos]):
1134                 for id in world_db["Things"]:
1135                     if y == world_db["Things"][id]["T_POSY"] \
1136                        and x == world_db["Things"][id]["T_POSX"] \
1137                        and not world_db["Things"][id]["carried"]:
1138                         type = world_db["Things"][id]["T_TYPE"]
1139                         name = world_db["ThingTypes"][type]["TT_NAME"]
1140                         strong_write(io_db["file_out"], name + "\n")
1141             else:
1142                 for mt in world_db["Things"][0]["T_MEMTHING"]:
1143                     if y == mt[1] and x == mt[2]:
1144                         name = world_db["ThingTypes"][mt[0]]["TT_NAME"]
1145                         strong_write(io_db["file_out"], name + "\n")
1146             strong_write(io_db["file_out"], "THINGS_HERE END\n")
1147         else:
1148             print("Ignoring: Invalid map coordinates.")
1149     else:
1150         print("Ignoring: Command only works on existing worlds.")
1151
1152
1153 def play_commander(action, args=False):
1154     """Setter for player's T_COMMAND and T_ARGUMENT, then calling turn_over().
1155
1156     T_ARGUMENT is set to direction char if action=="wait",or 8-bit int if args.
1157     """
1158
1159     def set_command():
1160         id = [x for x in world_db["ThingActions"]
1161                 if world_db["ThingActions"][x]["TA_NAME"] == action][0]
1162         world_db["Things"][0]["T_COMMAND"] = id
1163         turn_over()
1164
1165     def set_command_and_argument_int(str_arg):
1166         val = integer_test(str_arg, 0, 255)
1167         if None != val:
1168             world_db["Things"][0]["T_ARGUMENT"] = val
1169             set_command()
1170
1171     def set_command_and_argument_movestring(str_arg):
1172         if str_arg in directions_db:
1173             world_db["Things"][0]["T_ARGUMENT"] = ord(directions_db[str_arg])
1174             set_command()
1175         else:
1176             print("Ignoring: Argument must be valid direction string.")
1177
1178     if action == "move":
1179         return set_command_and_argument_movestring
1180     elif args:
1181         return set_command_and_argument_int
1182     else:
1183         return set_command
1184
1185
1186 def command_seedrandomness(seed_string):
1187     """Set rand seed to int(seed_string)."""
1188     val = integer_test(seed_string, 0, 4294967295)
1189     if None != val:
1190         rand.seed = val
1191
1192
1193 def command_seedmap(seed_string):
1194     """Set world_db["SEED_MAP"] to int(seed_string), then (re-)make map."""
1195     setter(None, "SEED_MAP", 0, 4294967295)(seed_string)
1196     remake_map()
1197
1198
1199 def command_makeworld(seed_string):
1200     """(Re-)build game world, i.e. map, things, to a new turn 1 from seed.
1201
1202     Seed rand with seed, fill it into world_db["SEED_MAP"]. Do more only with a
1203     "wait" ThingAction and world["PLAYER_TYPE"] matching ThingType of
1204     TT_START_NUMBER > 0. Then, world_db["Things"] emptied, call remake_map()
1205     and set world_db["WORLD_ACTIVE"], world_db["TURN"] to 1. Build new Things
1206     according to ThingTypes' TT_START_NUMBERS, with Thing of ID 0 to ThingType
1207     of ID = world["PLAYER_TYPE"]. Place Things randomly, and actors not on each
1208     other. Init player's memory map. Write "NEW_WORLD" line to out file.
1209     """
1210
1211     def free_pos():
1212         i = 0
1213         while 1:
1214             err = "Space to put thing on too hard to find. Map too small?"
1215             while 1:
1216                 y = rand.next() % world_db["MAP_LENGTH"]
1217                 x = rand.next() % world_db["MAP_LENGTH"]
1218                 if "." == chr(world_db["MAP"][y * world_db["MAP_LENGTH"] + x]):
1219                     break
1220                 i += 1
1221                 if i == 65535:
1222                     raise SystemExit(err)
1223             # Replica of C code, wrongly ignores animatedness of new Thing.
1224             pos_clear = (0 == len([id for id in world_db["Things"]
1225                                    if world_db["Things"][id]["T_LIFEPOINTS"]
1226                                    if world_db["Things"][id]["T_POSY"] == y
1227                                    if world_db["Things"][id]["T_POSX"] == x]))
1228             if pos_clear:
1229                 break
1230         return (y, x)
1231
1232     val = integer_test(seed_string, 0, 4294967295)
1233     if None == val:
1234         return
1235     rand.seed = val
1236     world_db["SEED_MAP"] = val
1237     player_will_be_generated = False
1238     playertype = world_db["PLAYER_TYPE"]
1239     for ThingType in world_db["ThingTypes"]:
1240         if playertype == ThingType:
1241             if 0 < world_db["ThingTypes"][ThingType]["TT_START_NUMBER"]:
1242                 player_will_be_generated = True
1243             break
1244     if not player_will_be_generated:
1245         print("Ignoring beyond SEED_MAP: " +
1246               "No player type with start number >0 defined.")
1247         return
1248     wait_action = False
1249     for ThingAction in world_db["ThingActions"]:
1250         if "wait" == world_db["ThingActions"][ThingAction]["TA_NAME"]:
1251             wait_action = True
1252     if not wait_action:
1253         print("Ignoring beyond SEED_MAP: " +
1254               "No thing action with name 'wait' defined.")
1255         return
1256     world_db["Things"] = {}
1257     remake_map()
1258     world_db["WORLD_ACTIVE"] = 1
1259     world_db["TURN"] = 1
1260     for i in range(world_db["ThingTypes"][playertype]["TT_START_NUMBER"]):
1261         id = id_setter(-1, "Things")
1262         world_db["Things"][id] = new_Thing(playertype, free_pos())
1263     update_map_memory(world_db["Things"][0])
1264     for type in world_db["ThingTypes"]:
1265         for i in range(world_db["ThingTypes"][type]["TT_START_NUMBER"]):
1266             if type != playertype:
1267                 id = id_setter(-1, "Things")
1268                 world_db["Things"][id] = new_Thing(type, free_pos())
1269     strong_write(io_db["file_out"], "NEW_WORLD\n")
1270
1271
1272 def command_maplength(maplength_string):
1273     """Redefine map length. Invalidate map, therefore lose all things on it."""
1274     val = integer_test(maplength_string, 1, 256)
1275     if None != val:
1276         world_db["MAP_LENGTH"] = val
1277         set_world_inactive()
1278         world_db["Things"] = {}
1279         libpr.set_maplength(val)
1280
1281
1282 def command_worldactive(worldactive_string):
1283     """Toggle world_db["WORLD_ACTIVE"] if possible.
1284
1285     An active world can always be set inactive. An inactive world can only be
1286     set active with a "wait" ThingAction, and a player Thing (of ID 0). On
1287     activation, rebuild all Things' FOVs, and the player's map memory.
1288     """
1289     # In original version, map existence was also tested (unnecessarily?).
1290     val = integer_test(worldactive_string, 0, 1)
1291     if val:
1292         if 0 != world_db["WORLD_ACTIVE"]:
1293             if 0 == val:
1294                 set_world_inactive()
1295             else:
1296                 print("World already active.")
1297         elif 0 == world_db["WORLD_ACTIVE"]:
1298             wait_exists = False
1299             for ThingAction in world_db["ThingActions"]:
1300                 if "wait" == world_db["ThingActions"][ThingAction]["TA_NAME"]:
1301                     wait_exists = True
1302                     break
1303             player_exists = False
1304             for Thing in world_db["Things"]:
1305                 if 0 == Thing:
1306                     player_exists = True
1307                     break
1308             if wait_exists and player_exists:
1309                 for id in world_db["Things"]:
1310                     if world_db["Things"][id]["T_LIFEPOINTS"]:
1311                         build_fov_map(world_db["Things"][id])
1312                         if 0 == id:
1313                             update_map_memory(world_db["Things"][id], False)
1314                 world_db["WORLD_ACTIVE"] = 1
1315
1316
1317 def test_for_id_maker(object, category):
1318     """Return decorator testing for object having "id" attribute."""
1319     def decorator(f):
1320         def helper(*args):
1321             if hasattr(object, "id"):
1322                 f(*args)
1323             else:
1324                 print("Ignoring: No " + category +
1325                       " defined to manipulate yet.")
1326         return helper
1327     return decorator
1328
1329
1330 def command_tid(id_string):
1331     """Set ID of Thing to manipulate. ID unused? Create new one.
1332
1333     Default new Thing's type to the first available ThingType, others: zero.
1334     """
1335     id = id_setter(id_string, "Things", command_tid)
1336     if None != id:
1337         if world_db["ThingTypes"] == {}:
1338             print("Ignoring: No ThingType to settle new Thing in.")
1339             return
1340         type = list(world_db["ThingTypes"].keys())[0]
1341         world_db["Things"][id] = new_Thing(type)
1342
1343
1344 test_Thing_id = test_for_id_maker(command_tid, "Thing")
1345
1346
1347 @test_Thing_id
1348 def command_tcommand(str_int):
1349     """Set T_COMMAND of selected Thing."""
1350     val = integer_test(str_int, 0)
1351     if None != val:
1352         if 0 == val or val in world_db["ThingActions"]:
1353             world_db["Things"][command_tid.id]["T_COMMAND"] = val
1354         else:
1355             print("Ignoring: ThingAction ID belongs to no known ThingAction.")
1356
1357
1358 @test_Thing_id
1359 def command_ttype(str_int):
1360     """Set T_TYPE of selected Thing."""
1361     val = integer_test(str_int, 0)
1362     if None != val:
1363         if val in world_db["ThingTypes"]:
1364             world_db["Things"][command_tid.id]["T_TYPE"] = val
1365         else:
1366             print("Ignoring: ThingType ID belongs to no known ThingType.")
1367
1368
1369 @test_Thing_id
1370 def command_tcarries(str_int):
1371     """Append int(str_int) to T_CARRIES of selected Thing.
1372
1373     The ID int(str_int) must not be of the selected Thing, and must belong to a
1374     Thing with unset "carried" flag. Its "carried" flag will be set on owning.
1375     """
1376     val = integer_test(str_int, 0)
1377     if None != val:
1378         if val == command_tid.id:
1379             print("Ignoring: Thing cannot carry itself.")
1380         elif val in world_db["Things"] \
1381              and not world_db["Things"][val]["carried"]:
1382             world_db["Things"][command_tid.id]["T_CARRIES"].append(val)
1383             world_db["Things"][val]["carried"] = True
1384         else:
1385             print("Ignoring: Thing not available for carrying.")
1386     # Note that the whole carrying structure is different from the C version:
1387     # Carried-ness is marked by a "carried" flag, not by Things containing
1388     # Things internally.
1389
1390
1391 @test_Thing_id
1392 def command_tmemthing(str_t, str_y, str_x):
1393     """Add (int(str_t), int(str_y), int(str_x)) to selected Thing's T_MEMTHING.
1394
1395     The type must fit to an existing ThingType, and the position into the map.
1396     """
1397     type = integer_test(str_t, 0)
1398     posy = integer_test(str_y, 0, 255)
1399     posx = integer_test(str_x, 0, 255)
1400     if None != type and None != posy and None != posx:
1401         if type not in world_db["ThingTypes"] \
1402            or posy >= world_db["MAP_LENGTH"] or posx >= world_db["MAP_LENGTH"]:
1403             print("Ignoring: Illegal value for thing type or position.")
1404         else:
1405             memthing = (type, posy, posx)
1406             world_db["Things"][command_tid.id]["T_MEMTHING"].append(memthing)
1407
1408
1409 def setter_map(maptype):
1410     """Set selected Thing's map of maptype's int(str_int)-th line to mapline.
1411
1412     If Thing has no map of maptype yet, initialize it with ' ' bytes first.
1413     """
1414     @test_Thing_id
1415     def helper(str_int, mapline):
1416         val = integer_test(str_int, 0, 255)
1417         if None != val:
1418             if val >= world_db["MAP_LENGTH"]:
1419                 print("Illegal value for map line number.")
1420             elif len(mapline) != world_db["MAP_LENGTH"]:
1421                 print("Map line length is unequal map width.")
1422             else:
1423                 length = world_db["MAP_LENGTH"]
1424                 map = None
1425                 if not world_db["Things"][command_tid.id][maptype]:
1426                     map = bytearray(b' ' * (length ** 2))
1427                 else:
1428                     map = world_db["Things"][command_tid.id][maptype]
1429                 map[val * length:(val * length) + length] = mapline.encode()
1430                 world_db["Things"][command_tid.id][maptype] = map
1431     return helper
1432
1433
1434 def setter_tpos(axis):
1435     """Generate setter for T_POSX or  T_POSY of selected Thing.
1436
1437     If world is active, rebuilds animate things' fovmap, player's memory map.
1438     """
1439     @test_Thing_id
1440     def helper(str_int):
1441         val = integer_test(str_int, 0, 255)
1442         if None != val:
1443             if val < world_db["MAP_LENGTH"]:
1444                 world_db["Things"][command_tid.id]["T_POS" + axis] = val
1445                 if world_db["WORLD_ACTIVE"] \
1446                    and world_db["Things"][command_tid.id]["T_LIFEPOINTS"]:
1447                     build_fov_map(world_db["Things"][command_tid.id])
1448                     if 0 == command_tid.id:
1449                         update_map_memory(world_db["Things"][command_tid.id])
1450             else:
1451                 print("Ignoring: Position is outside of map.")
1452     return helper
1453
1454
1455 def command_ttid(id_string):
1456     """Set ID of ThingType to manipulate. ID unused? Create new one.
1457
1458     Default new ThingType's TT_SYMBOL to "?", TT_CORPSE_ID to self, others: 0.
1459     """
1460     id = id_setter(id_string, "ThingTypes", command_ttid)
1461     if None != id:
1462         world_db["ThingTypes"][id] = {
1463             "TT_NAME": "(none)",
1464             "TT_CONSUMABLE": 0,
1465             "TT_LIFEPOINTS": 0,
1466             "TT_PROLIFERATE": 0,
1467             "TT_START_NUMBER": 0,
1468             "TT_SYMBOL": "?",
1469             "TT_CORPSE_ID": id
1470         }
1471
1472
1473 test_ThingType_id = test_for_id_maker(command_ttid, "ThingType")
1474
1475
1476 @test_ThingType_id
1477 def command_ttname(name):
1478     """Set TT_NAME of selected ThingType."""
1479     world_db["ThingTypes"][command_ttid.id]["TT_NAME"] = name
1480
1481
1482 @test_ThingType_id
1483 def command_ttsymbol(char):
1484     """Set TT_SYMBOL of selected ThingType. """
1485     if 1 == len(char):
1486         world_db["ThingTypes"][command_ttid.id]["TT_SYMBOL"] = char
1487     else:
1488         print("Ignoring: Argument must be single character.")
1489
1490
1491 @test_ThingType_id
1492 def command_ttcorpseid(str_int):
1493     """Set TT_CORPSE_ID of selected ThingType."""
1494     val = integer_test(str_int, 0)
1495     if None != val:
1496         if val in world_db["ThingTypes"]:
1497             world_db["ThingTypes"][command_ttid.id]["TT_CORPSE_ID"] = val
1498         else:
1499             print("Ignoring: Corpse ID belongs to no known ThignType.")
1500
1501
1502 def command_taid(id_string):
1503     """Set ID of ThingAction to manipulate. ID unused? Create new one.
1504
1505     Default new ThingAction's TA_EFFORT to 1, its TA_NAME to "wait".
1506     """
1507     id = id_setter(id_string, "ThingActions", command_taid, True)
1508     if None != id:
1509         world_db["ThingActions"][id] = {
1510             "TA_EFFORT": 1,
1511             "TA_NAME": "wait"
1512         }
1513
1514
1515 test_ThingAction_id = test_for_id_maker(command_taid, "ThingAction")
1516
1517
1518 @test_ThingAction_id
1519 def command_taname(name):
1520     """Set TA_NAME of selected ThingAction.
1521
1522     The name must match a valid thing action function. If after the name
1523     setting no ThingAction with name "wait" remains, call set_world_inactive().
1524     """
1525     if name == "wait" or name == "move" or name == "use" or name == "drop" \
1526        or name == "pick_up":
1527         world_db["ThingActions"][command_taid.id]["TA_NAME"] = name
1528         if 1 == world_db["WORLD_ACTIVE"]:
1529             wait_defined = False
1530             for id in world_db["ThingActions"]:
1531                 if "wait" == world_db["ThingActions"][id]["TA_NAME"]:
1532                     wait_defined = True
1533                     break
1534             if not wait_defined:
1535                 set_world_inactive()
1536     else:
1537         print("Ignoring: Invalid action name.")
1538     # In contrast to the original,naming won't map a function to a ThingAction.
1539
1540
1541 def command_ai():
1542     """Call ai() on player Thing, then turn_over()."""
1543     ai(world_db["Things"][0])
1544     turn_over()
1545
1546
1547 """Commands database.
1548
1549 Map command start tokens to ([0]) number of expected command arguments, ([1])
1550 the command's meta-ness (i.e. is it to be written to the record file, is it to
1551 be ignored in replay mode if read from server input file), and ([2]) a function
1552 to be called on it.
1553 """
1554 commands_db = {
1555     "QUIT": (0, True, command_quit),
1556     "PING": (0, True, command_ping),
1557     "THINGS_HERE": (2, True, command_thingshere),
1558     "MAKE_WORLD": (1, False, command_makeworld),
1559     "SEED_MAP": (1, False, command_seedmap),
1560     "SEED_RANDOMNESS": (1, False, command_seedrandomness),
1561     "TURN": (1, False, setter(None, "TURN", 0, 65535)),
1562     "GOD_MOOD": (1, False, setter(None, "GOD_MOOD", -32768, 32767)),  # #
1563     "GOD_FAVOR": (1, False, setter(None, "GOD_FAVOR", -32768, 32767)),  # #
1564     "PLAYER_TYPE": (1, False, setter(None, "PLAYER_TYPE", 0)),
1565     "MAP_LENGTH": (1, False, command_maplength),
1566     "WORLD_ACTIVE": (1, False, command_worldactive),
1567     "TA_ID": (1, False, command_taid),
1568     "TA_EFFORT": (1, False, setter("ThingAction", "TA_EFFORT", 0, 255)),
1569     "TA_NAME": (1, False, command_taname),
1570     "TT_ID": (1, False, command_ttid),
1571     "TT_NAME": (1, False, command_ttname),
1572     "TT_SYMBOL": (1, False, command_ttsymbol),
1573     "TT_CORPSE_ID": (1, False, command_ttcorpseid),
1574     "TT_CONSUMABLE": (1, False, setter("ThingType", "TT_CONSUMABLE",
1575                                        0, 65535)),
1576     "TT_START_NUMBER": (1, False, setter("ThingType", "TT_START_NUMBER",
1577                                          0, 255)),
1578     "TT_PROLIFERATE": (1, False, setter("ThingType", "TT_PROLIFERATE",
1579                                         0, 255)),
1580     "TT_LIFEPOINTS": (1, False, setter("ThingType", "TT_LIFEPOINTS", 0, 255)),
1581     "T_ID": (1, False, command_tid),
1582     "T_ARGUMENT": (1, False, setter("Thing", "T_ARGUMENT", 0, 255)),
1583     "T_PROGRESS": (1, False, setter("Thing", "T_PROGRESS", 0, 255)),
1584     "T_LIFEPOINTS": (1, False, setter("Thing", "T_LIFEPOINTS", 0, 255)),
1585     "T_SATIATION": (1, False, setter("Thing", "T_SATIATION", -32768, 32767)),
1586     "T_COMMAND": (1, False, command_tcommand),
1587     "T_TYPE": (1, False, command_ttype),
1588     "T_CARRIES": (1, False, command_tcarries),
1589     "T_MEMMAP": (2, False, setter_map("T_MEMMAP")),
1590     "T_MEMDEPTHMAP": (2, False, setter_map("T_MEMDEPTHMAP")),
1591     "T_MEMTHING": (3, False, command_tmemthing),
1592     "T_POSY": (1, False, setter_tpos("Y")),
1593     "T_POSX": (1, False, setter_tpos("X")),
1594     "wait": (0, False, play_commander("wait")),
1595     "move": (1, False, play_commander("move")),
1596     "pick_up": (0, False, play_commander("pick_up")),
1597     "drop": (1, False, play_commander("drop", True)),
1598     "use": (1, False, play_commander("use", True)),
1599     "ai": (0, False, command_ai)
1600 }
1601
1602
1603 """World state database. With sane default values. (Randomness is in rand.)"""
1604 world_db = {
1605     "TURN": 0,
1606     "MAP_LENGTH": 64,
1607     "SEED_MAP": 0,
1608     "PLAYER_TYPE": 0,
1609     "WORLD_ACTIVE": 0,
1610     "GOD_MOOD": 0,  # #
1611     "GOD_FAVOR": 0,  # #
1612     "ThingActions": {},
1613     "ThingTypes": {},
1614     "Things": {}
1615 }
1616
1617 """Mapping of direction names to internal direction chars."""
1618 directions_db = {"east": "d", "south-east": "c", "south-west": "x",
1619                  "west": "s", "north-west": "w", "north-east": "e"}
1620
1621 """File IO database."""
1622 io_db = {
1623     "path_save": "save",
1624     "path_record": "record_save",
1625     "path_worldconf": "confserver/world",
1626     "path_server": "server/",
1627     "path_in": "server/in",
1628     "path_out": "server/out",
1629     "path_worldstate": "server/worldstate",
1630     "tmp_suffix": "_tmp",
1631     "kicked_by_rival": False,
1632     "worldstate_updateable": False
1633 }
1634
1635
1636 try:
1637     libpr = prep_library()
1638     rand = RandomnessIO()
1639     opts = parse_command_line_arguments()
1640     if opts.savefile:
1641         io_db["path_save"] = opts.savefile
1642         io_db["path_record"] = "record_" + opts.savefile
1643     setup_server_io()
1644     if opts.verbose:
1645         io_db["verbose"] = True
1646     if None != opts.replay:
1647         replay_game()
1648     else:
1649         play_game()
1650 except SystemExit as exit:
1651     print("ABORTING: " + exit.args[0])
1652 except:
1653     print("SOMETHING WENT WRONG IN UNEXPECTED WAYS")
1654     raise
1655 finally:
1656     cleanup_server_io()