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
 597
 598 def mv_yx_in_dir_legal(dir, y, x):
 599     """Wrapper around libpr.mv_yx_in_dir_legal to simplify its use."""
 600     dir_c = dir.encode("ascii")[0]
 601     test = libpr.mv_yx_in_dir_legal_wrap(dir_c, y, x)
 602     if -1 == test:
 603         raise RuntimeError("Too much wrapping in mv_yx_in_dir_legal_wrap()!")
 604     return (test, libpr.result_y(), libpr.result_x())
 605
 606
 607 def actor_wait(t):
 608     """Make t do nothing (but loudly, if player avatar)."""
 609     if t == world_db["Things"][0]:
 610         strong_write(io_db["file_out"], "LOG You wait.\n")
 611
 612
 613 def actor_move(t):
 614     """If passable, move/collide(=attack) thing into T_ARGUMENT's direction."""
 615     passable = False
 616     move_result = mv_yx_in_dir_legal(chr(t["T_ARGUMENT"]),
 617                                      t["T_POSY"], t["T_POSX"])
 618     if 1 == move_result[0]:
 619         pos = (move_result[1] * world_db["MAP_LENGTH"]) + move_result[2]
 620         passable = "." == chr(world_db["MAP"][pos])
 621         hitted = [id for id in world_db["Things"]
 622                   if world_db["Things"][id] != t
 623                   if world_db["Things"][id]["T_LIFEPOINTS"]
 624                   if world_db["Things"][id]["T_POSY"] == move_result[1]
 625                   if world_db["Things"][id]["T_POSX"] == move_result[2]]
 626         if len(hitted):
 627             hit_id = hitted[0]
 628             if t == world_db["Things"][0]:
 629                 hitted_name = world_db["ThingTypes"][hitted_type]["TT_NAME"]
 630                 strong_write(io_db["file_out"], "LOG You wound " + hitted +
 631                                                 ".\n")
 632             elif 0 == hit_id:
 633                 hitter_name = world_db["ThingTypes"][t["T_TYPE"]]["TT_NAME"]
 634                 strong_write(io_db["file_out"], "LOG " + hitter +
 635                                                 " wounds you.\n")
 636             decrement_lifepoints(world_db["Things"][hit_id])
 637             return
 638     dir = [dir for dir in directions_db
 639            if directions_db[dir] == chr(t["T_ARGUMENT"])][0]
 640     if passable:
 641         t["T_POSY"] = move_result[1]
 642         t["T_POSX"] = move_result[2]
 643         for id in t["T_CARRIES"]:
 644             world_db["Things"][id]["T_POSY"] = move_result[1]
 645             world_db["Things"][id]["T_POSX"] = move_result[2]
 646         build_fov_map(t)
 647         if t == world_db["Things"][0]:
 648             strong_write(io_db["file_out"], "LOG You move " + dir + ".\n")
 649     elif t == world_db["Things"][0]:
 650         strong_write(io_db["file_out"], "LOG You fail to move " + dir + ".\n")
 651
 652
 653 def actor_pick_up(t):
 654     """Make t pick up (topmost?) Thing from ground into inventory."""
 655     # Topmostness is actually not defined so far. Picks Thing with highest ID.
 656     ids = [id for id in world_db["Things"] if world_db["Things"][id] != t
 657            if not world_db["Things"][id]["carried"]
 658            if world_db["Things"][id]["T_POSY"] == t["T_POSY"]
 659            if world_db["Things"][id]["T_POSX"] == t["T_POSX"]]
 660     if len(ids):
 661         highest_id = 0
 662         for id in ids:
 663             if id > highest_id:
 664                 highest_id = id
 665         world_db["Things"][highest_id]["carried"] = True
 666         t["T_CARRIES"].append(highest_id)
 667         if t == world_db["Things"][0]:
 668             strong_write(io_db["file_out"], "LOG You pick up an object.\n")
 669     elif t == world_db["Things"][0]:
 670         err = "You try to pick up an object, but there is none."
 671         strong_write(io_db["file_out"], "LOG " + err + "\n")
 672
 673
 674 def actor_drop(t):
 675     """Make t rop Thing from inventory to ground indexed by T_ARGUMENT."""
 676     # TODO: Handle case where T_ARGUMENT matches nothing.
 677     if len(t["T_CARRIES"]):
 678         id = t["T_CARRIES"][t["T_ARGUMENT"]]
 679         t["T_CARRIES"].remove(id)
 680         world_db["Things"][id]["carried"] = False
 681         if t == world_db["Things"][0]:
 682             strong_write(io_db["file_out"], "LOG You drop an object.\n")
 683     elif t == world_db["Things"][0]:
 684         err = "You try to drop an object, but you own none."
 685         strong_write(io_db["file_out"], "LOG " + err + "\n")
 686
 687
 688 def actor_use(t):
 689     """Make t use (for now: consume) T_ARGUMENT-indexed Thing in inventory."""
 690     # TODO: Handle case where T_ARGUMENT matches nothing.
 691     if len(t["T_CARRIES"]):
 692         id = t["T_CARRIES"][t["T_ARGUMENT"]]
 693         type = world_db["Things"][id]["T_TYPE"]
 694         if world_db["ThingTypes"][type]["TT_CONSUMABLE"]:
 695             t["T_CARRIES"].remove(id)
 696             del world_db["Things"][id]
 697             t["T_SATIATION"] += world_db["ThingTypes"][type]["TT_CONSUMABLE"]
 698             if t == world_db["Things"][0]:
 699                 strong_write(io_db["file_out"],
 700                              "LOG You consume this object.\n")
 701         elif t == world_db["Things"][0]:
 702             strong_write(io_db["file_out"],
 703                          "LOG You try to use this object, but fail.\n")
 704     elif t == world_db["Things"][0]:
 705         strong_write(io_db["file_out"],
 706                      "LOG You try to use an object, but you own none.\n")
 707
 708
 709 def thingproliferation(t):
 710     """To chance of 1/TT_PROLIFERATE, create t offspring in neighbor cell.
 711
 712     Naturally only works with TT_PROLIFERATE > 0. The neighbor cell must be
 713     passable and not be inhabited by a Thing of the same type, or, if Thing is
 714     animate, any other animate Thing. If there are several map cell candidates,
 715     one is selected randomly.
 716     """
 717     def test_cell(t, y, x):
 718         if "." == chr(world_db["MAP"][(y * world_db["MAP_LENGTH"]) + x]):
 719             for id in [id for id in world_db["Things"]
 720                        if y == world_db["Things"][id]["T_POSY"]
 721                        if x == world_db["Things"][id]["T_POSX"]
 722                        if (t["T_TYPE"] == world_db["Things"][id]["T_TYPE"])
 723                        or (t["T_LIFEPOINTS"] and
 724                            world_db["Things"][id]["T_LIFEPOINTS"])]:
 725                 return False
 726             return True
 727         return False
 728     prolscore = world_db["ThingTypes"][t["T_TYPE"]]["TT_PROLIFERATE"]
 729     if prolscore and (1 == prolscore or 1 == (rand.next() % prolscore)):
 730         candidates = []
 731         for dir in [directions_db[key] for key in directions_db]:
 732             mv_result = mv_yx_in_dir_legal(dir, t["T_POSY"], t["T_POSX"])
 733             if mv_result[0] and test_cell(t, mv_result[1], mv_result[2]):
 734                 candidates.append((mv_result[1], mv_result[2]))
 735         if len(candidates):
 736             i = rand.next() % len(candidates)
 737             id = id_setter(-1, "Things")
 738             newT = new_Thing(t["T_TYPE"], (candidates[i][0], candidates[i][1]))
 739             world_db["Things"][id] = newT
 740
 741
 742 def try_healing(t):
 743     """Grow t's HP to a 1/32 chance if < HP max, satiation > 0, and waiting.
 744
 745     On success, decrease satiation score by 32.
 746     """
 747     if t["T_SATIATION"] > 0 \
 748        and t["T_LIFEPOINTS"] < \
 749            world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"] \
 750        and 0 == (rand.next() % 31) \
 751        and t["T_COMMAND"] == [id for id in world_db["ThingActions"]
 752                               if world_db["ThingActions"][id]["TA_NAME"] ==
 753                                  "wait"][0]:
 754         t["T_LIFEPOINTS"] += 1
 755         t["T_SATIATION"] -= 32
 756         if t == world_db["Things"][0]:
 757             strong_write(io_db["file_out"], "LOG You heal.\n")
 758
 759
 760 def hunger(t):
 761     """Decrement t's satiation,dependent on it trigger lifepoint dec chance."""
 762     if t["T_SATIATION"] > -32768:
 763         t["T_SATIATION"] -= 1
 764     testbase = t["T_SATIATION"] if t["T_SATIATION"] >= 0 else -t["T_SATIATION"]
 765     if not world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"]:
 766         raise RuntimeError("A thing that should not hunger is hungering.")
 767     stomach = int(32767 / world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"])
 768     if int(int(testbase / stomach) / ((rand.next() % stomach) + 1)):
 769         if t == world_db["Things"][0]:
 770             strong_write(io_db["file_out"], "LOG You suffer from hunger.\n")
 771         decrement_lifepoints(t)
 772
 773
 774 def get_dir_to_target(t, filter):
 775     """Try to set T_COMMAND/T_ARGUMENT for move to "filter"-determined target.
 776
 777     The path-wise nearest target is chosen, via the shortest available path.
 778     Target must not be t. On succcess, return positive value, else False.
 779     Filters:
 780     "a": Thing in FOV is below a certain distance, animate, but of ThingType
 781          that is not t's, and starts out weaker than t is; build path as
 782          avoiding things of t's ThingType
 783     "f": neighbor cell (not inhabited by any animate Thing) further away from
 784          animate Thing not further than x steps away and in FOV and of a
 785          ThingType that is not t's, and starts out stronger or as strong as t
 786          is currently; or (cornered), if no such flight cell, but Thing of
 787          above criteria is too near,1 a cell closer to it, or, if less near,
 788          just wait
 789     "c": Thing in memorized map is consumable
 790     "s": memory map cell with greatest-reachable degree of unexploredness
 791     """
 792
 793     def zero_score_map_where_char_on_memdepthmap(c):
 794         # OUTSOURCED FOR PERFORMANCE REASONS TO libplomrogue.so:
 795         # for i in [i for i in range(world_db["MAP_LENGTH"] ** 2)
 796         #           if t["T_MEMDEPTHMAP"][i] == mem_depth_c[0]]:
 797         #     set_map_score(i, 0)
 798         map = c_pointer_to_bytearray(t["T_MEMDEPTHMAP"])
 799         if libpr.zero_score_map_where_char_on_memdepthmap(c, map):
 800             raise RuntimeError("No score map allocated for "
 801                                "zero_score_map_where_char_on_memdepthmap().")
 802
 803     def set_map_score(pos, score):
 804         test = libpr.set_map_score(pos, score)
 805         if test:
 806             raise RuntimeError("No score map allocated for set_map_score().")
 807
 808     def get_map_score(pos):
 809         result = libpr.get_map_score(pos)
 810         if result < 0:
 811             raise RuntimeError("No score map allocated for get_map_score().")
 812         return result
 813
 814     def seeing_thing():
 815         if t["fovmap"] and ("a" == filter or "f" == filter):
 816             for id in world_db["Things"]:
 817                 Thing = world_db["Things"][id]
 818                 if Thing != t and Thing["T_LIFEPOINTS"] and \
 819                    t["T_TYPE"] != Thing["T_TYPE"] and \
 820                    'v' == chr(t["fovmap"][(Thing["T_POSY"]
 821                                           * world_db["MAP_LENGTH"])
 822                                           + Thing["T_POSX"]]):
 823                     ThingType = world_db["ThingTypes"][Thing["T_TYPE"]]
 824                     if ("f" == filter and ThingType["TT_LIFEPOINTS"] >=
 825                                           t["T_LIFEPOINTS"]) \
 826                        or ("a" == filter and ThingType["TT_LIFEPOINTS"] <
 827                                              t["T_LIFEPOINTS"]):
 828                         return True
 829         elif t["T_MEMMAP"] and "c" == filter:
 830             for mt in t["T_MEMTHING"]:
 831                 if ' ' != chr(t["T_MEMMAP"][(mt[1] * world_db["MAP_LENGTH"])
 832                                          + mt[2]]) \
 833                    and world_db["ThingTypes"][mt[0]]["TT_CONSUMABLE"]:
 834                     return True
 835         return False
 836
 837     def set_cells_passable_on_memmap_to_65534_on_scoremap():
 838         # OUTSOURCED FOR PERFORMANCE REASONS TO libplomrogue.so:
 839         # ord_dot = ord(".")
 840         # memmap = t["T_MEMMAP"]
 841         # for i in [i for i in range(world_db["MAP_LENGTH"] ** 2)
 842         #            if ord_dot == memmap[i]]:
 843         #     set_map_score(i, 65534) # i.e. 65535-1
 844         map = c_pointer_to_bytearray(t["T_MEMMAP"])
 845         if libpr.set_cells_passable_on_memmap_to_65534_on_scoremap(map):
 846             raise RuntimeError("No score map allocated for "
 847                         "set_cells_passable_on_memmap_to_65534_on_scoremap().")
 848
 849     def init_score_map():
 850         test = libpr.init_score_map()
 851         if test:
 852             raise RuntimeError("Malloc error in init_score_map().")
 853         ord_v = ord("v")
 854         ord_blank = ord(" ")
 855         set_cells_passable_on_memmap_to_65534_on_scoremap()
 856         if "a" == filter:
 857             for id in world_db["Things"]:
 858                 Thing = world_db["Things"][id]
 859                 pos = Thing["T_POSY"] * world_db["MAP_LENGTH"] \
 860                       + Thing["T_POSX"]
 861                 if t != Thing and Thing["T_LIFEPOINTS"] and \
 862                    t["T_TYPE"] != Thing["T_TYPE"] and \
 863                    ord_v == t["fovmap"][pos] and \
 864                    t["T_LIFEPOINTS"] > \
 865                    world_db["ThingTypes"][Thing["T_TYPE"]]["TT_LIFEPOINTS"]:
 866                     set_map_score(pos, 0)
 867                 elif t["T_TYPE"] == Thing["T_TYPE"]:
 868                     set_map_score(pos, 65535)
 869         elif "f" == filter:
 870             for id in [id for id in world_db["Things"]
 871                        if world_db["Things"][id]["T_LIFEPOINTS"]]:
 872                 Thing = world_db["Things"][id]
 873                 pos = Thing["T_POSY"] * world_db["MAP_LENGTH"] \
 874                       + Thing["T_POSX"]
 875                 if t["T_TYPE"] != Thing["T_TYPE"] and \
 876                    ord_v == t["fovmap"][pos] and \
 877                    t["T_LIFEPOINTS"] <= \
 878                    world_db["ThingTypes"][Thing["T_TYPE"]]["TT_LIFEPOINTS"]:
 879                     set_map_score(pos, 0)
 880         elif "c" == filter:
 881             for mt in [mt for mt in t["T_MEMTHING"]
 882                        if ord_blank != t["T_MEMMAP"][mt[1]
 883                                                     * world_db["MAP_LENGTH"]
 884                                                     + mt[2]]
 885                        if world_db["ThingTypes"][mt[0]]["TT_CONSUMABLE"]]:
 886                 set_map_score(mt[1] * world_db["MAP_LENGTH"] + mt[2], 0)
 887         elif "s" == filter:
 888             zero_score_map_where_char_on_memdepthmap(mem_depth_c[0])
 889
 890     def rand_target_dir(neighbors, cmp, dirs):
 891         candidates = []
 892         n_candidates = 0
 893         for i in range(len(dirs)):
 894             if cmp == neighbors[i]:
 895                 candidates.append(dirs[i])
 896                 n_candidates += 1
 897         return candidates[rand.next() % n_candidates] if n_candidates else 0
 898
 899     def get_neighbor_scores(dirs, eye_pos):
 900         scores = []
 901         if libpr.ready_neighbor_scores(eye_pos):
 902             raise RuntimeError("No score map allocated for " +
 903                                "ready_neighbor_scores.()")
 904         for i in range(len(dirs)):
 905             scores.append(libpr.get_neighbor_score(i))
 906         return scores
 907
 908     def get_dir_from_neighbors():
 909         dir_to_target = False
 910         dirs = "edcxsw"
 911         eye_pos = t["T_POSY"] * world_db["MAP_LENGTH"] + t["T_POSX"]
 912         neighbors = get_neighbor_scores(dirs, eye_pos)
 913         if "f" == filter:
 914             inhabited = [world_db["Things"][id]["T_POSY"]
 915                          * world_db["MAP_LENGTH"]
 916                          + world_db["Things"][id]["T_POSX"]
 917                          for id in world_db["Things"]
 918                          if world_db["Things"][id]["T_LIFEPOINTS"]]
 919             for i in range(len(dirs)):
 920                 mv_yx_in_dir_legal(dirs[i], t["T_POSY"], t["T_POSX"])
 921                 pos_cmp = libpr.result_y() * world_db["MAP_LENGTH"] \
 922                           + libpr.result_x()
 923                 for pos in [pos for pos in inhabited if pos == pos_cmp]:
 924                     neighbors[i] = 65535
 925                     break
 926         minmax_start = 0 if "f" == filter else 65535 - 1
 927         minmax_neighbor = minmax_start
 928         for i in range(len(dirs)):
 929             if ("f" == filter and get_map_score(eye_pos) < neighbors[i] and
 930                 minmax_neighbor < neighbors[i] and 65535 != neighbors[i]) \
 931                or ("f" != filter and minmax_neighbor > neighbors[i]):
 932                 minmax_neighbor = neighbors[i]
 933         if minmax_neighbor != minmax_start:
 934             dir_to_target = rand_target_dir(neighbors, minmax_neighbor, dirs)
 935         if "f" == filter:
 936             if not dir_to_target:
 937                 if 1 == get_map_score(eye_pos):
 938                     dir_to_target = rand_target_dir(neighbors, 0, dirs)
 939                 elif 3 >= get_map_score(eye_pos):
 940                     t["T_COMMAND"] = [id for id in world_db["ThingActions"]
 941                                       if
 942                                       world_db["ThingActions"][id]["TA_NAME"]
 943                                          == "wait"][0]
 944                     return 1
 945             elif dir_to_target and 3 < get_map_score(eye_pos):
 946                 dir_to_target = 0
 947         elif "a" == filter and 10 <= get_map_score(eye_pos):
 948             dir_to_target = 0
 949         return dir_to_target
 950
 951     dir_to_target = False
 952     mem_depth_c = b' '
 953     run_i = 9 + 1 if "s" == filter else 1
 954     while run_i and not dir_to_target and ("s" == filter or seeing_thing()):
 955         run_i -= 1
 956         init_score_map()
 957         mem_depth_c = b'9' if b' ' == mem_depth_c \
 958                            else bytes([mem_depth_c[0] - 1])
 959         if libpr.dijkstra_map():
 960             raise RuntimeError("No score map allocated for dijkstra_map().")
 961         dir_to_target = get_dir_from_neighbors()
 962         libpr.free_score_map()
 963         if dir_to_target and str == type(dir_to_target):
 964             t["T_COMMAND"] = [id for id in world_db["ThingActions"]
 965                               if world_db["ThingActions"][id]["TA_NAME"]
 966                                  == "move"][0]
 967             t["T_ARGUMENT"] = ord(dir_to_target)
 968     return dir_to_target
 969
 970
 971 def standing_on_consumable(t):
 972     """Return True/False whether t is standing on a consumable."""
 973     for id in [id for id in world_db["Things"] if world_db["Things"][id] != t
 974                if world_db["Things"][id]["T_POSY"] == t["T_POSY"]
 975                if world_db["Things"][id]["T_POSX"] == t["T_POSX"]
 976                if world_db["ThingTypes"][world_db["Things"][id]["T_TYPE"]]
 977                           ["TT_CONSUMABLE"]]:
 978         return True
 979     return False
 980
 981
 982 def get_inventory_slot_to_consume(t):
 983     """Return slot Id of strongest consumable in t's inventory, else -1."""
 984     cmp_consumability = 0
 985     selection = -1
 986     i = 0
 987     for id in t["T_CARRIES"]:
 988         type = world_db["Things"][id]["T_TYPE"]
 989         if world_db["ThingTypes"][type]["TT_CONSUMABLE"] > cmp_consumability:
 990             cmp_consumability = world_db["ThingTypes"][type]["TT_CONSUMABLE"]
 991             selection = i
 992         i += 1
 993     return selection
 994
 995
 996 def ai(t):
 997     """Determine next command/argment for actor t via AI algorithms.
 998
 999     AI will look for, and move towards, enemies (animate Things not of their
1000     own ThingType); if they see none, they will consume consumables in their
1001     inventory; if there are none, they will pick up what they stand on if they
1002     stand on consumables; if they stand on none, they will move towards the
1003     next consumable they see or remember on the map; if they see or remember
1004     none, they will explore parts of the map unseen since ever or for at least
1005     one turn; if there is nothing to explore, they will simply wait.
1006     """
1007     t["T_COMMAND"] = [id for id in world_db["ThingActions"]
1008                       if world_db["ThingActions"][id]["TA_NAME"] == "wait"][0]
1009     if not get_dir_to_target(t, "f"):
1010         sel = get_inventory_slot_to_consume(t)
1011         if -1 != sel:
1012             t["T_COMMAND"] = [id for id in world_db["ThingActions"]
1013                               if world_db["ThingActions"][id]["TA_NAME"]
1014                                  == "use"][0]
1015             t["T_ARGUMENT"] = sel
1016         elif standing_on_consumable(t):
1017             t["T_COMMAND"] = [id for id in world_db["ThingActions"]
1018                               if world_db["ThingActions"][id]["TA_NAME"]
1019                                  == "pick_up"][0]
1020         elif (not get_dir_to_target(t, "c")) and \
1021              (not get_dir_to_target(t, "a")):
1022             get_dir_to_target(t, "s")
1023
1024
1025 def turn_over():
1026     """Run game world and its inhabitants until new player input expected."""
1027     id = 0
1028     whilebreaker = False
1029     while world_db["Things"][0]["T_LIFEPOINTS"]:
1030         for id in [id for id in world_db["Things"]]:  # Only what's from start!
1031             if not id in world_db["Things"] or \
1032                world_db["Things"][id]["carried"]:   # May have been consumed or
1033                 continue                            # picked up during turn …
1034             Thing = world_db["Things"][id]
1035             if Thing["T_LIFEPOINTS"]:
1036                 if not Thing["T_COMMAND"]:
1037                     update_map_memory(Thing)
1038                     if 0 == id:
1039                         whilebreaker = True
1040                         break
1041                     ai(Thing)
1042                 try_healing(Thing)
1043                 Thing["T_PROGRESS"] += 1
1044                 taid = [a for a in world_db["ThingActions"]
1045                           if a == Thing["T_COMMAND"]][0]
1046                 ThingAction = world_db["ThingActions"][taid]
1047                 if Thing["T_PROGRESS"] == ThingAction["TA_EFFORT"]:
1048                     eval("actor_" + ThingAction["TA_NAME"])(Thing)
1049                     Thing["T_COMMAND"] = 0
1050                     Thing["T_PROGRESS"] = 0
1051                 hunger(Thing)
1052             thingproliferation(Thing)
1053         if whilebreaker:
1054             break
1055         world_db["TURN"] += 1
1056
1057
1058 def new_Thing(type, pos=(0, 0)):
1059     """Return Thing of type T_TYPE, with fovmap if alive and world active."""
1060     thing = {
1061         "T_LIFEPOINTS": world_db["ThingTypes"][type]["TT_LIFEPOINTS"],
1062         "T_ARGUMENT": 0,
1063         "T_PROGRESS": 0,
1064         "T_SATIATION": 0,
1065         "T_COMMAND": 0,
1066         "T_TYPE": type,
1067         "T_POSY": pos[0],
1068         "T_POSX": pos[1],
1069         "T_CARRIES": [],
1070         "carried": False,
1071         "T_MEMTHING": [],
1072         "T_MEMMAP": False,
1073         "T_MEMDEPTHMAP": False,
1074         "fovmap": False
1075     }
1076     if world_db["WORLD_ACTIVE"] and thing["T_LIFEPOINTS"]:
1077         build_fov_map(thing)
1078     return thing
1079
1080
1081 def id_setter(id, category, id_store=False, start_at_1=False):
1082     """Set ID of object of category to manipulate ID unused? Create new one.
1083
1084     The ID is stored as id_store.id (if id_store is set). If the integer of the
1085     input is valid (if start_at_1, >= 0, else >= -1), but <0 or (if start_at_1)
1086     <1, calculate new ID: lowest unused ID >=0 or (if start_at_1) >= 1. None is
1087     always returned when no new object is created, otherwise the new object's
1088     ID.
1089     """
1090     min = 0 if start_at_1 else -1
1091     if str == type(id):
1092         id = integer_test(id, min)
1093     if None != id:
1094         if id in world_db[category]:
1095             if id_store:
1096                 id_store.id = id
1097             return None
1098         else:
1099             if (start_at_1 and 0 == id) \
1100                or ((not start_at_1) and (id < 0)):
1101                 id = 0 if start_at_1 else -1
1102                 while 1:
1103                     id = id + 1
1104                     if id not in world_db[category]:
1105                         break
1106             if id_store:
1107                 id_store.id = id
1108     return id
1109
1110
1111 def command_ping():
1112     """Send PONG line to server output file."""
1113     strong_write(io_db["file_out"], "PONG\n")
1114
1115
1116 def command_quit():
1117     """Abort server process."""
1118     save_world()
1119     atomic_write(io_db["path_record"], io_db["record_chunk"], do_append=True)
1120     raise SystemExit("received QUIT command")
1121
1122
1123 def command_thingshere(str_y, str_x):
1124     """Write to out file list of Things known to player at coordinate y, x."""
1125     if world_db["WORLD_ACTIVE"]:
1126         y = integer_test(str_y, 0, 255)
1127         x = integer_test(str_x, 0, 255)
1128         length = world_db["MAP_LENGTH"]
1129         if None != y and None != x and y < length and x < length:
1130             pos = (y * world_db["MAP_LENGTH"]) + x
1131             strong_write(io_db["file_out"], "THINGS_HERE START\n")
1132             if "v" == chr(world_db["Things"][0]["fovmap"][pos]):
1133                 for id in world_db["Things"]:
1134                     if y == world_db["Things"][id]["T_POSY"] \
1135                        and x == world_db["Things"][id]["T_POSX"] \
1136                        and not world_db["Things"][id]["carried"]:
1137                         type = world_db["Things"][id]["T_TYPE"]
1138                         name = world_db["ThingTypes"][type]["TT_NAME"]
1139                         strong_write(io_db["file_out"], name + "\n")
1140             else:
1141                 for mt in world_db["Things"][0]["T_MEMTHING"]:
1142                     if y == mt[1] and x == mt[2]:
1143                         name = world_db["ThingTypes"][mt[0]]["TT_NAME"]
1144                         strong_write(io_db["file_out"], name + "\n")
1145             strong_write(io_db["file_out"], "THINGS_HERE END\n")
1146         else:
1147             print("Ignoring: Invalid map coordinates.")
1148     else:
1149         print("Ignoring: Command only works on existing worlds.")
1150
1151
1152 def play_commander(action, args=False):
1153     """Setter for player's T_COMMAND and T_ARGUMENT, then calling turn_over().
1154
1155     T_ARGUMENT is set to direction char if action=="wait",or 8-bit int if args.
1156     """
1157
1158     def set_command():
1159         id = [x for x in world_db["ThingActions"]
1160                 if world_db["ThingActions"][x]["TA_NAME"] == action][0]
1161         world_db["Things"][0]["T_COMMAND"] = id
1162         turn_over()
1163
1164     def set_command_and_argument_int(str_arg):
1165         val = integer_test(str_arg, 0, 255)
1166         if None != val:
1167             world_db["Things"][0]["T_ARGUMENT"] = val
1168             set_command()
1169
1170     def set_command_and_argument_movestring(str_arg):
1171         if str_arg in directions_db:
1172             world_db["Things"][0]["T_ARGUMENT"] = ord(directions_db[str_arg])
1173             set_command()
1174         else:
1175             print("Ignoring: Argument must be valid direction string.")
1176
1177     if action == "move":
1178         return set_command_and_argument_movestring
1179     elif args:
1180         return set_command_and_argument_int
1181     else:
1182         return set_command
1183
1184
1185 def command_seedrandomness(seed_string):
1186     """Set rand seed to int(seed_string)."""
1187     val = integer_test(seed_string, 0, 4294967295)
1188     if None != val:
1189         rand.seed = val
1190
1191
1192 def command_seedmap(seed_string):
1193     """Set world_db["SEED_MAP"] to int(seed_string), then (re-)make map."""
1194     setter(None, "SEED_MAP", 0, 4294967295)(seed_string)
1195     remake_map()
1196
1197
1198 def command_makeworld(seed_string):
1199     """(Re-)build game world, i.e. map, things, to a new turn 1 from seed.
1200
1201     Seed rand with seed, fill it into world_db["SEED_MAP"]. Do more only with a
1202     "wait" ThingAction and world["PLAYER_TYPE"] matching ThingType of
1203     TT_START_NUMBER > 0. Then, world_db["Things"] emptied, call remake_map()
1204     and set world_db["WORLD_ACTIVE"], world_db["TURN"] to 1. Build new Things
1205     according to ThingTypes' TT_START_NUMBERS, with Thing of ID 0 to ThingType
1206     of ID = world["PLAYER_TYPE"]. Place Things randomly, and actors not on each
1207     other. Init player's memory map. Write "NEW_WORLD" line to out file.
1208     """
1209
1210     def free_pos():
1211         i = 0
1212         while 1:
1213             err = "Space to put thing on too hard to find. Map too small?"
1214             while 1:
1215                 y = rand.next() % world_db["MAP_LENGTH"]
1216                 x = rand.next() % world_db["MAP_LENGTH"]
1217                 if "." == chr(world_db["MAP"][y * world_db["MAP_LENGTH"] + x]):
1218                     break
1219                 i += 1
1220                 if i == 65535:
1221                     raise SystemExit(err)
1222             # Replica of C code, wrongly ignores animatedness of new Thing.
1223             pos_clear = (0 == len([id for id in world_db["Things"]
1224                                    if world_db["Things"][id]["T_LIFEPOINTS"]
1225                                    if world_db["Things"][id]["T_POSY"] == y
1226                                    if world_db["Things"][id]["T_POSX"] == x]))
1227             if pos_clear:
1228                 break
1229         return (y, x)
1230
1231     val = integer_test(seed_string, 0, 4294967295)
1232     if None == val:
1233         return
1234     rand.seed = val
1235     world_db["SEED_MAP"] = val
1236     player_will_be_generated = False
1237     playertype = world_db["PLAYER_TYPE"]
1238     for ThingType in world_db["ThingTypes"]:
1239         if playertype == ThingType:
1240             if 0 < world_db["ThingTypes"][ThingType]["TT_START_NUMBER"]:
1241                 player_will_be_generated = True
1242             break
1243     if not player_will_be_generated:
1244         print("Ignoring beyond SEED_MAP: " +
1245               "No player type with start number >0 defined.")
1246         return
1247     wait_action = False
1248     for ThingAction in world_db["ThingActions"]:
1249         if "wait" == world_db["ThingActions"][ThingAction]["TA_NAME"]:
1250             wait_action = True
1251     if not wait_action:
1252         print("Ignoring beyond SEED_MAP: " +
1253               "No thing action with name 'wait' defined.")
1254         return
1255     world_db["Things"] = {}
1256     remake_map()
1257     world_db["WORLD_ACTIVE"] = 1
1258     world_db["TURN"] = 1
1259     for i in range(world_db["ThingTypes"][playertype]["TT_START_NUMBER"]):
1260         id = id_setter(-1, "Things")
1261         world_db["Things"][id] = new_Thing(playertype, free_pos())
1262     update_map_memory(world_db["Things"][0])
1263     for type in world_db["ThingTypes"]:
1264         for i in range(world_db["ThingTypes"][type]["TT_START_NUMBER"]):
1265             if type != playertype:
1266                 id = id_setter(-1, "Things")
1267                 world_db["Things"][id] = new_Thing(type, free_pos())
1268     strong_write(io_db["file_out"], "NEW_WORLD\n")
1269
1270
1271 def command_maplength(maplength_string):
1272     """Redefine map length. Invalidate map, therefore lose all things on it."""
1273     val = integer_test(maplength_string, 1, 256)
1274     if None != val:
1275         world_db["MAP_LENGTH"] = val
1276         set_world_inactive()
1277         world_db["Things"] = {}
1278         libpr.set_maplength(val)
1279
1280
1281 def command_worldactive(worldactive_string):
1282     """Toggle world_db["WORLD_ACTIVE"] if possible.
1283
1284     An active world can always be set inactive. An inactive world can only be
1285     set active with a "wait" ThingAction, and a player Thing (of ID 0). On
1286     activation, rebuild all Things' FOVs, and the player's map memory.
1287     """
1288     # In original version, map existence was also tested (unnecessarily?).
1289     val = integer_test(worldactive_string, 0, 1)
1290     if val:
1291         if 0 != world_db["WORLD_ACTIVE"]:
1292             if 0 == val:
1293                 set_world_inactive()
1294             else:
1295                 print("World already active.")
1296         elif 0 == world_db["WORLD_ACTIVE"]:
1297             wait_exists = False
1298             for ThingAction in world_db["ThingActions"]:
1299                 if "wait" == world_db["ThingActions"][ThingAction]["TA_NAME"]:
1300                     wait_exists = True
1301                     break
1302             player_exists = False
1303             for Thing in world_db["Things"]:
1304                 if 0 == Thing:
1305                     player_exists = True
1306                     break
1307             if wait_exists and player_exists:
1308                 for id in world_db["Things"]:
1309                     if world_db["Things"][id]["T_LIFEPOINTS"]:
1310                         build_fov_map(world_db["Things"][id])
1311                         if 0 == id:
1312                             update_map_memory(world_db["Things"][id], False)
1313                 world_db["WORLD_ACTIVE"] = 1
1314
1315
1316 def test_for_id_maker(object, category):
1317     """Return decorator testing for object having "id" attribute."""
1318     def decorator(f):
1319         def helper(*args):
1320             if hasattr(object, "id"):
1321                 f(*args)
1322             else:
1323                 print("Ignoring: No " + category +
1324                       " defined to manipulate yet.")
1325         return helper
1326     return decorator
1327
1328
1329 def command_tid(id_string):
1330     """Set ID of Thing to manipulate. ID unused? Create new one.
1331
1332     Default new Thing's type to the first available ThingType, others: zero.
1333     """
1334     id = id_setter(id_string, "Things", command_tid)
1335     if None != id:
1336         if world_db["ThingTypes"] == {}:
1337             print("Ignoring: No ThingType to settle new Thing in.")
1338             return
1339         type = list(world_db["ThingTypes"].keys())[0]
1340         world_db["Things"][id] = new_Thing(type)
1341
1342
1343 test_Thing_id = test_for_id_maker(command_tid, "Thing")
1344
1345
1346 @test_Thing_id
1347 def command_tcommand(str_int):
1348     """Set T_COMMAND of selected Thing."""
1349     val = integer_test(str_int, 0)
1350     if None != val:
1351         if 0 == val or val in world_db["ThingActions"]:
1352             world_db["Things"][command_tid.id]["T_COMMAND"] = val
1353         else:
1354             print("Ignoring: ThingAction ID belongs to no known ThingAction.")
1355
1356
1357 @test_Thing_id
1358 def command_ttype(str_int):
1359     """Set T_TYPE of selected Thing."""
1360     val = integer_test(str_int, 0)
1361     if None != val:
1362         if val in world_db["ThingTypes"]:
1363             world_db["Things"][command_tid.id]["T_TYPE"] = val
1364         else:
1365             print("Ignoring: ThingType ID belongs to no known ThingType.")
1366
1367
1368 @test_Thing_id
1369 def command_tcarries(str_int):
1370     """Append int(str_int) to T_CARRIES of selected Thing.
1371
1372     The ID int(str_int) must not be of the selected Thing, and must belong to a
1373     Thing with unset "carried" flag. Its "carried" flag will be set on owning.
1374     """
1375     val = integer_test(str_int, 0)
1376     if None != val:
1377         if val == command_tid.id:
1378             print("Ignoring: Thing cannot carry itself.")
1379         elif val in world_db["Things"] \
1380              and not world_db["Things"][val]["carried"]:
1381             world_db["Things"][command_tid.id]["T_CARRIES"].append(val)
1382             world_db["Things"][val]["carried"] = True
1383         else:
1384             print("Ignoring: Thing not available for carrying.")
1385     # Note that the whole carrying structure is different from the C version:
1386     # Carried-ness is marked by a "carried" flag, not by Things containing
1387     # Things internally.
1388
1389
1390 @test_Thing_id
1391 def command_tmemthing(str_t, str_y, str_x):
1392     """Add (int(str_t), int(str_y), int(str_x)) to selected Thing's T_MEMTHING.
1393
1394     The type must fit to an existing ThingType, and the position into the map.
1395     """
1396     type = integer_test(str_t, 0)
1397     posy = integer_test(str_y, 0, 255)
1398     posx = integer_test(str_x, 0, 255)
1399     if None != type and None != posy and None != posx:
1400         if type not in world_db["ThingTypes"] \
1401            or posy >= world_db["MAP_LENGTH"] or posx >= world_db["MAP_LENGTH"]:
1402             print("Ignoring: Illegal value for thing type or position.")
1403         else:
1404             memthing = (type, posy, posx)
1405             world_db["Things"][command_tid.id]["T_MEMTHING"].append(memthing)
1406
1407
1408 def setter_map(maptype):
1409     """Set selected Thing's map of maptype's int(str_int)-th line to mapline.
1410
1411     If Thing has no map of maptype yet, initialize it with ' ' bytes first.
1412     """
1413     @test_Thing_id
1414     def helper(str_int, mapline):
1415         val = integer_test(str_int, 0, 255)
1416         if None != val:
1417             if val >= world_db["MAP_LENGTH"]:
1418                 print("Illegal value for map line number.")
1419             elif len(mapline) != world_db["MAP_LENGTH"]:
1420                 print("Map line length is unequal map width.")
1421             else:
1422                 length = world_db["MAP_LENGTH"]
1423                 map = None
1424                 if not world_db["Things"][command_tid.id][maptype]:
1425                     map = bytearray(b' ' * (length ** 2))
1426                 else:
1427                     map = world_db["Things"][command_tid.id][maptype]
1428                 map[val * length:(val * length) + length] = mapline.encode()
1429                 world_db["Things"][command_tid.id][maptype] = map
1430     return helper
1431
1432
1433 def setter_tpos(axis):
1434     """Generate setter for T_POSX or  T_POSY of selected Thing.
1435
1436     If world is active, rebuilds animate things' fovmap, player's memory map.
1437     """
1438     @test_Thing_id
1439     def helper(str_int):
1440         val = integer_test(str_int, 0, 255)
1441         if None != val:
1442             if val < world_db["MAP_LENGTH"]:
1443                 world_db["Things"][command_tid.id]["T_POS" + axis] = val
1444                 if world_db["WORLD_ACTIVE"] \
1445                    and world_db["Things"][command_tid.id]["T_LIFEPOINTS"]:
1446                     build_fov_map(world_db["Things"][command_tid.id])
1447                     if 0 == command_tid.id:
1448                         update_map_memory(world_db["Things"][command_tid.id])
1449             else:
1450                 print("Ignoring: Position is outside of map.")
1451     return helper
1452
1453
1454 def command_ttid(id_string):
1455     """Set ID of ThingType to manipulate. ID unused? Create new one.
1456
1457     Default new ThingType's TT_SYMBOL to "?", TT_CORPSE_ID to self, others: 0.
1458     """
1459     id = id_setter(id_string, "ThingTypes", command_ttid)
1460     if None != id:
1461         world_db["ThingTypes"][id] = {
1462             "TT_NAME": "(none)",
1463             "TT_CONSUMABLE": 0,
1464             "TT_LIFEPOINTS": 0,
1465             "TT_PROLIFERATE": 0,
1466             "TT_START_NUMBER": 0,
1467             "TT_SYMBOL": "?",
1468             "TT_CORPSE_ID": id
1469         }
1470
1471
1472 test_ThingType_id = test_for_id_maker(command_ttid, "ThingType")
1473
1474
1475 @test_ThingType_id
1476 def command_ttname(name):
1477     """Set TT_NAME of selected ThingType."""
1478     world_db["ThingTypes"][command_ttid.id]["TT_NAME"] = name
1479
1480
1481 @test_ThingType_id
1482 def command_ttsymbol(char):
1483     """Set TT_SYMBOL of selected ThingType. """
1484     if 1 == len(char):
1485         world_db["ThingTypes"][command_ttid.id]["TT_SYMBOL"] = char
1486     else:
1487         print("Ignoring: Argument must be single character.")
1488
1489
1490 @test_ThingType_id
1491 def command_ttcorpseid(str_int):
1492     """Set TT_CORPSE_ID of selected ThingType."""
1493     val = integer_test(str_int, 0)
1494     if None != val:
1495         if val in world_db["ThingTypes"]:
1496             world_db["ThingTypes"][command_ttid.id]["TT_CORPSE_ID"] = val
1497         else:
1498             print("Ignoring: Corpse ID belongs to no known ThignType.")
1499
1500
1501 def command_taid(id_string):
1502     """Set ID of ThingAction to manipulate. ID unused? Create new one.
1503
1504     Default new ThingAction's TA_EFFORT to 1, its TA_NAME to "wait".
1505     """
1506     id = id_setter(id_string, "ThingActions", command_taid, True)
1507     if None != id:
1508         world_db["ThingActions"][id] = {
1509             "TA_EFFORT": 1,
1510             "TA_NAME": "wait"
1511         }
1512
1513
1514 test_ThingAction_id = test_for_id_maker(command_taid, "ThingAction")
1515
1516
1517 @test_ThingAction_id
1518 def command_taname(name):
1519     """Set TA_NAME of selected ThingAction.
1520
1521     The name must match a valid thing action function. If after the name
1522     setting no ThingAction with name "wait" remains, call set_world_inactive().
1523     """
1524     if name == "wait" or name == "move" or name == "use" or name == "drop" \
1525        or name == "pick_up":
1526         world_db["ThingActions"][command_taid.id]["TA_NAME"] = name
1527         if 1 == world_db["WORLD_ACTIVE"]:
1528             wait_defined = False
1529             for id in world_db["ThingActions"]:
1530                 if "wait" == world_db["ThingActions"][id]["TA_NAME"]:
1531                     wait_defined = True
1532                     break
1533             if not wait_defined:
1534                 set_world_inactive()
1535     else:
1536         print("Ignoring: Invalid action name.")
1537     # In contrast to the original,naming won't map a function to a ThingAction.
1538
1539
1540 def command_ai():
1541     """Call ai() on player Thing, then turn_over()."""
1542     ai(world_db["Things"][0])
1543     turn_over()
1544
1545
1546 """Commands database.
1547
1548 Map command start tokens to ([0]) number of expected command arguments, ([1])
1549 the command's meta-ness (i.e. is it to be written to the record file, is it to
1550 be ignored in replay mode if read from server input file), and ([2]) a function
1551 to be called on it.
1552 """
1553 commands_db = {
1554     "QUIT": (0, True, command_quit),
1555     "PING": (0, True, command_ping),
1556     "THINGS_HERE": (2, True, command_thingshere),
1557     "MAKE_WORLD": (1, False, command_makeworld),
1558     "SEED_MAP": (1, False, command_seedmap),
1559     "SEED_RANDOMNESS": (1, False, command_seedrandomness),
1560     "TURN": (1, False, setter(None, "TURN", 0, 65535)),
1561     "GOD_MOOD": (1, False, setter(None, "GOD_MOOD", -32768, 32767)),  # #
1562     "GOD_FAVOR": (1, False, setter(None, "GOD_FAVOR", -32768, 32767)),  # #
1563     "PLAYER_TYPE": (1, False, setter(None, "PLAYER_TYPE", 0)),
1564     "MAP_LENGTH": (1, False, command_maplength),
1565     "WORLD_ACTIVE": (1, False, command_worldactive),
1566     "TA_ID": (1, False, command_taid),
1567     "TA_EFFORT": (1, False, setter("ThingAction", "TA_EFFORT", 0, 255)),
1568     "TA_NAME": (1, False, command_taname),
1569     "TT_ID": (1, False, command_ttid),
1570     "TT_NAME": (1, False, command_ttname),
1571     "TT_SYMBOL": (1, False, command_ttsymbol),
1572     "TT_CORPSE_ID": (1, False, command_ttcorpseid),
1573     "TT_CONSUMABLE": (1, False, setter("ThingType", "TT_CONSUMABLE",
1574                                        0, 65535)),
1575     "TT_START_NUMBER": (1, False, setter("ThingType", "TT_START_NUMBER",
1576                                          0, 255)),
1577     "TT_PROLIFERATE": (1, False, setter("ThingType", "TT_PROLIFERATE",
1578                                         0, 255)),
1579     "TT_LIFEPOINTS": (1, False, setter("ThingType", "TT_LIFEPOINTS", 0, 255)),
1580     "T_ID": (1, False, command_tid),
1581     "T_ARGUMENT": (1, False, setter("Thing", "T_ARGUMENT", 0, 255)),
1582     "T_PROGRESS": (1, False, setter("Thing", "T_PROGRESS", 0, 255)),
1583     "T_LIFEPOINTS": (1, False, setter("Thing", "T_LIFEPOINTS", 0, 255)),
1584     "T_SATIATION": (1, False, setter("Thing", "T_SATIATION", -32768, 32767)),
1585     "T_COMMAND": (1, False, command_tcommand),
1586     "T_TYPE": (1, False, command_ttype),
1587     "T_CARRIES": (1, False, command_tcarries),
1588     "T_MEMMAP": (2, False, setter_map("T_MEMMAP")),
1589     "T_MEMDEPTHMAP": (2, False, setter_map("T_MEMDEPTHMAP")),
1590     "T_MEMTHING": (3, False, command_tmemthing),
1591     "T_POSY": (1, False, setter_tpos("Y")),
1592     "T_POSX": (1, False, setter_tpos("X")),
1593     "wait": (0, False, play_commander("wait")),
1594     "move": (1, False, play_commander("move")),
1595     "pick_up": (0, False, play_commander("pick_up")),
1596     "drop": (1, False, play_commander("drop", True)),
1597     "use": (1, False, play_commander("use", True)),
1598     "ai": (0, False, command_ai)
1599 }
1600
1601
1602 """World state database. With sane default values. (Randomness is in rand.)"""
1603 world_db = {
1604     "TURN": 0,
1605     "MAP_LENGTH": 64,
1606     "SEED_MAP": 0,
1607     "PLAYER_TYPE": 0,
1608     "WORLD_ACTIVE": 0,
1609     "GOD_MOOD": 0,  # #
1610     "GOD_FAVOR": 0,  # #
1611     "ThingActions": {},
1612     "ThingTypes": {},
1613     "Things": {}
1614 }
1615
1616 """Mapping of direction names to internal direction chars."""
1617 directions_db = {"east": "d", "south-east": "c", "south-west": "x",
1618                  "west": "s", "north-west": "w", "north-east": "e"}
1619
1620 """File IO database."""
1621 io_db = {
1622     "path_save": "save",
1623     "path_record": "record_save",
1624     "path_worldconf": "confserver/world",
1625     "path_server": "server/",
1626     "path_in": "server/in",
1627     "path_out": "server/out",
1628     "path_worldstate": "server/worldstate",
1629     "tmp_suffix": "_tmp",
1630     "kicked_by_rival": False,
1631     "worldstate_updateable": False
1632 }
1633
1634
1635 try:
1636     libpr = prep_library()
1637     rand = RandomnessIO()
1638     opts = parse_command_line_arguments()
1639     if opts.savefile:
1640         io_db["path_save"] = opts.savefile
1641         io_db["path_record"] = "record_" + opts.savefile
1642     setup_server_io()
1643     if opts.verbose:
1644         io_db["verbose"] = True
1645     if None != opts.replay:
1646         replay_game()
1647     else:
1648         play_game()
1649 except SystemExit as exit:
1650     print("ABORTING: " + exit.args[0])
1651 except:
1652     print("SOMETHING WENT WRONG IN UNEXPECTED WAYS")
1653     raise
1654 finally:
1655     cleanup_server_io()