11 """"Interface to libplomrogue's pseudo-randomness generator."""
13 def set_seed(self, seed):
14 libpr.seed_rrand(1, seed)
17 return libpr.seed_rrand(0, 0)
22 seed = property(get_seed, set_seed)
26 """Prepare ctypes library at ./libplomrogue.so"""
27 libpath = ("./libplomrogue.so")
28 if not os.access(libpath, os.F_OK):
29 raise SystemExit("No library " + libpath + ", run ./compile.sh first?")
30 libpr = ctypes.cdll.LoadLibrary(libpath)
31 libpr.seed_rrand.argtypes = [ctypes.c_uint8, ctypes.c_uint32]
32 libpr.seed_rrand.restype = ctypes.c_uint32
33 libpr.rrand.argtypes = []
34 libpr.rrand.restype = ctypes.c_uint16
35 libpr.set_maplength.argtypes = [ctypes.c_uint16]
36 libpr.mv_yx_in_dir_legal_wrap.argtypes = [ctypes.c_char, ctypes.c_uint8,
38 libpr.mv_yx_in_dir_legal_wrap.restype = ctypes.c_uint8
39 libpr.result_y.restype = ctypes.c_uint8
40 libpr.result_x.restype = ctypes.c_uint8
41 libpr.set_maplength(world_db["MAP_LENGTH"])
42 libpr.build_fov_map.argtypes = [ctypes.c_uint8, ctypes.c_uint8,
43 ctypes.c_char_p, ctypes.c_char_p]
44 libpr.build_fov_map.restype = ctypes.c_uint8
45 libpr.init_score_map.restype = ctypes.c_uint8
46 libpr.set_map_score.argtypes = [ctypes.c_uint16, ctypes.c_uint16]
47 libpr.set_map_score.restype = ctypes.c_uint8
48 libpr.get_map_score.argtypes = [ctypes.c_uint16]
49 libpr.get_map_score.restype = ctypes.c_int32
50 libpr.get_neighbor_score.argtypes = [ctypes.c_uint8]
51 libpr.get_neighbor_score.restype = ctypes.c_uint16
52 libpr.ready_neighbor_scores.argtpes = [ctypes.c_uint16]
53 libpr.ready_neighbor_scores.restype = ctypes.c_uint8
54 libpr.dijkstra_map.restype = ctypes.c_uint8
58 def strong_write(file, string):
59 """Apply write(string), flush(), and os.fsync() to file."""
65 def setup_server_io():
66 """Fill IO files DB with proper file( path)s. Write process IO test string.
68 Ensure IO files directory at server/. Remove any old input file if found.
69 Set up new input file for reading, and new output file for writing. Start
70 output file with process hash line of format PID + " " + floated UNIX time
71 (io_db["teststring"]). Raise SystemExit if file is found at path of either
72 record or save file plus io_db["tmp_suffix"].
74 def detect_atomic_leftover(path, tmp_suffix):
75 path_tmp = path + tmp_suffix
76 msg = "Found file '" + path_tmp + "' that may be a leftover from an " \
77 "aborted previous attempt to write '" + path + "'. Aborting " \
78 "until matter is resolved by removing it from its current path."
79 if os.access(path_tmp, os.F_OK):
81 io_db["teststring"] = str(os.getpid()) + " " + str(time.time())
82 os.makedirs(io_db["path_server"], exist_ok=True)
83 io_db["file_out"] = open(io_db["path_out"], "w")
84 strong_write(io_db["file_out"], io_db["teststring"] + "\n")
85 if os.access(io_db["path_in"], os.F_OK):
86 os.remove(io_db["path_in"])
87 io_db["file_in"] = open(io_db["path_in"], "w")
88 io_db["file_in"].close()
89 io_db["file_in"] = open(io_db["path_in"], "r")
90 detect_atomic_leftover(io_db["path_save"], io_db["tmp_suffix"])
91 detect_atomic_leftover(io_db["path_record"], io_db["tmp_suffix"])
94 def cleanup_server_io():
95 """Close and (if io_db["kicked_by_rival"] false) remove files in io_db."""
96 def helper(file_key, path_key):
98 io_db[file_key].close()
99 if not io_db["kicked_by_rival"] \
100 and os.access(io_db[path_key], os.F_OK):
101 os.remove(io_db[path_key])
102 helper("file_out", "path_out")
103 helper("file_in", "path_in")
104 helper("file_worldstate", "path_worldstate")
105 if "file_record" in io_db:
106 io_db["file_record"].close()
109 def obey(command, prefix, replay=False, do_record=False):
110 """Call function from commands_db mapped to command's first token.
112 Tokenize command string with shlex.split(comments=True). If replay is set,
113 a non-meta command from the commands_db merely triggers obey() on the next
114 command from the records file. If not, non-meta commands set
115 io_db["worldstate_updateable"] to world_db["WORLD_EXISTS"], and, if
116 do_record is set, are recorded via record(), and save_world() is called.
117 The prefix string is inserted into the server's input message between its
118 beginning 'input ' & ':'. All activity is preceded by a server_test() call.
121 print("input " + prefix + ": " + command)
123 tokens = shlex.split(command, comments=True)
124 except ValueError as err:
125 print("Can't tokenize command string: " + str(err) + ".")
127 if len(tokens) > 0 and tokens[0] in commands_db \
128 and len(tokens) == commands_db[tokens[0]][0] + 1:
129 if commands_db[tokens[0]][1]:
130 commands_db[tokens[0]][2](*tokens[1:])
132 print("Due to replay mode, reading command as 'go on in record'.")
133 line = io_db["file_record"].readline()
135 obey(line.rstrip(), io_db["file_record"].prefix
136 + str(io_db["file_record"].line_n))
137 io_db["file_record"].line_n = io_db["file_record"].line_n + 1
139 print("Reached end of record file.")
141 commands_db[tokens[0]][2](*tokens[1:])
145 io_db["worldstate_updateable"] = world_db["WORLD_ACTIVE"]
146 elif 0 != len(tokens):
147 print("Invalid command/argument, or bad number of tokens.")
150 def atomic_write(path, text, do_append=False):
151 """Atomic write of text to file at path, appended if do_append is set."""
152 path_tmp = path + io_db["tmp_suffix"]
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)
161 if os.access(path, os.F_OK):
163 os.rename(path_tmp, path)
167 """Append command string plus newline to record file. (Atomic.)"""
168 # This misses some optimizations from the original record(), namely only
169 # finishing the atomic write with expensive flush() and fsync() every 15
170 # seconds unless explicitely forced. Implement as needed.
171 atomic_write(io_db["path_record"], command + "\n", do_append=True)
175 """Save all commands needed to reconstruct current world state."""
176 # TODO: Misses same optimizations as record() from the original record().
179 string = string.replace("\u005C", '\u005C\u005C')
180 return '"' + string.replace('"', '\u005C"') + '"'
185 if world_db["Things"][id][key]:
186 map = world_db["Things"][id][key]
187 length = world_db["MAP_LENGTH"]
188 for i in range(length):
189 line = map[i * length:(i * length) + length].decode()
190 string = string + key + " " + str(i) + " " + quote(line) \
197 for memthing in world_db["Things"][id]["T_MEMTHING"]:
198 string = string + "T_MEMTHING " + str(memthing[0]) + " " + \
199 str(memthing[1]) + " " + str(memthing[2]) + "\n"
202 def helper(category, id_string, special_keys={}):
204 for id in world_db[category]:
205 string = string + id_string + " " + str(id) + "\n"
206 for key in world_db[category][id]:
207 if not key in special_keys:
208 x = world_db[category][id][key]
209 argument = quote(x) if str == type(x) else str(x)
210 string = string + key + " " + argument + "\n"
211 elif special_keys[key]:
212 string = string + special_keys[key](id)
217 if dict != type(world_db[key]) and key != "MAP" and \
218 key != "WORLD_ACTIVE" and key != "SEED_MAP":
219 string = string + key + " " + str(world_db[key]) + "\n"
220 string = string + "SEED_MAP " + str(world_db["SEED_MAP"]) + "\n"
221 string = string + helper("ThingActions", "TA_ID")
222 string = string + helper("ThingTypes", "TT_ID", {"TT_CORPSE_ID": False})
223 for id in world_db["ThingTypes"]:
224 string = string + "TT_ID " + str(id) + "\n" + "TT_CORPSE_ID " + \
225 str(world_db["ThingTypes"][id]["TT_CORPSE_ID"]) + "\n"
226 string = string + helper("Things", "T_ID",
227 {"T_CARRIES": False, "carried": False,
228 "T_MEMMAP": mapsetter("T_MEMMAP"),
229 "T_MEMTHING": memthing, "fovmap": False,
230 "T_MEMDEPTHMAP": mapsetter("T_MEMDEPTHMAP")})
231 for id in world_db["Things"]:
232 if [] != world_db["Things"][id]["T_CARRIES"]:
233 string = string + "T_ID " + str(id) + "\n"
234 for carried_id in world_db["Things"][id]["T_CARRIES"]:
235 string = string + "T_CARRIES " + str(carried_id) + "\n"
236 string = string + "SEED_RANDOMNESS " + str(rand.seed) + "\n" + \
237 "WORLD_ACTIVE " + str(world_db["WORLD_ACTIVE"])
238 atomic_write(io_db["path_save"], string)
241 def obey_lines_in_file(path, name, do_record=False):
242 """Call obey() on each line of path's file, use name in input prefix."""
243 file = open(path, "r")
245 for line in file.readlines():
246 obey(line.rstrip(), name + "file line " + str(line_n),
252 def parse_command_line_arguments():
253 """Return settings values read from command line arguments."""
254 parser = argparse.ArgumentParser()
255 parser.add_argument('-s', nargs='?', type=int, dest='replay', const=1,
257 opts, unknown = parser.parse_known_args()
262 """Ensure valid server out file belonging to current process.
264 This is done by comparing io_db["teststring"] to what's found at the start
265 of the current file at io_db["path_out"]. On failure, set
266 io_db["kicked_by_rival"] and raise SystemExit.
268 if not os.access(io_db["path_out"], os.F_OK):
269 raise SystemExit("Server output file has disappeared.")
270 file = open(io_db["path_out"], "r")
271 test = file.readline().rstrip("\n")
273 if test != io_db["teststring"]:
274 io_db["kicked_by_rival"] = True
275 msg = "Server test string in server output file does not match. This" \
276 " indicates that the current server process has been " \
277 "superseded by another one."
278 raise SystemExit(msg)
282 """Return next newline-delimited command from server in file.
284 Keep building return string until a newline is encountered. Pause between
285 unsuccessful reads, and after too much waiting, run server_test().
287 wait_on_fail = 0.03333
292 add = io_db["file_in"].readline()
294 command = command + add
295 if len(command) > 0 and "\n" == command[-1]:
296 command = command[:-1]
299 time.sleep(wait_on_fail)
300 if now + max_wait < time.time():
306 def try_worldstate_update():
307 """Write worldstate file if io_db["worldstate_updateable"] is set."""
308 if io_db["worldstate_updateable"]:
310 def draw_visible_Things(map, run):
311 for id in world_db["Things"]:
312 type = world_db["Things"][id]["T_TYPE"]
313 consumable = world_db["ThingTypes"][type]["TT_CONSUMABLE"]
314 alive = world_db["ThingTypes"][type]["TT_LIFEPOINTS"]
315 if (0 == run and not consumable and not alive) \
316 or (1 == run and consumable and not alive) \
317 or (2 == run and alive):
318 y = world_db["Things"][id]["T_POSY"]
319 x = world_db["Things"][id]["T_POSX"]
320 fovflag = world_db["Things"][0]["fovmap"][(y * length) + x]
321 if 'v' == chr(fovflag):
322 c = world_db["ThingTypes"][type]["TT_SYMBOL"]
323 map[(y * length) + x] = ord(c)
325 def write_map(string, map):
326 for i in range(length):
327 line = map[i * length:(i * length) + length].decode()
328 string = string + line + "\n"
332 if [] == world_db["Things"][0]["T_CARRIES"]:
333 inventory = "(none)\n"
335 for id in world_db["Things"][0]["T_CARRIES"]:
336 type_id = world_db["Things"][id]["T_TYPE"]
337 name = world_db["ThingTypes"][type_id]["TT_NAME"]
338 inventory = inventory + name + "\n"
339 string = str(world_db["TURN"]) + "\n" + \
340 str(world_db["Things"][0]["T_LIFEPOINTS"]) + "\n" + \
341 str(world_db["Things"][0]["T_SATIATION"]) + "\n" + \
342 inventory + "%\n" + \
343 str(world_db["Things"][0]["T_POSY"]) + "\n" + \
344 str(world_db["Things"][0]["T_POSX"]) + "\n" + \
345 str(world_db["MAP_LENGTH"]) + "\n"
346 length = world_db["MAP_LENGTH"]
347 fov = bytearray(b' ' * (length ** 2))
348 for pos in range(length ** 2):
349 if 'v' == chr(world_db["Things"][0]["fovmap"][pos]):
350 fov[pos] = world_db["MAP"][pos]
352 draw_visible_Things(fov, i)
353 string = write_map(string, fov)
354 mem = world_db["Things"][0]["T_MEMMAP"][:]
356 for mt in world_db["Things"][0]["T_MEMTHING"]:
357 consumable = world_db["ThingTypes"][mt[0]]["TT_CONSUMABLE"]
358 if (i == 0 and not consumable) or (i == 1 and consumable):
359 c = world_db["ThingTypes"][mt[0]]["TT_SYMBOL"]
360 mem[(mt[1] * length) + mt[2]] = ord(c)
361 string = write_map(string, mem)
362 atomic_write(io_db["path_worldstate"], string)
363 strong_write(io_db["file_out"], "WORLD_UPDATED\n")
364 io_db["worldstate_updateable"] = False
368 """Replay game from record file.
370 Use opts.replay as breakpoint turn to which to replay automatically before
371 switching to manual input by non-meta commands in server input file
372 triggering further reads of record file. Ensure opts.replay is at least 1.
373 Run try_worldstate_update() before each interactive obey()/read_command().
377 print("Replay mode. Auto-replaying up to turn " + str(opts.replay) +
378 " (if so late a turn is to be found).")
379 if not os.access(io_db["path_record"], os.F_OK):
380 raise SystemExit("No record file found to replay.")
381 io_db["file_record"] = open(io_db["path_record"], "r")
382 io_db["file_record"].prefix = "record file line "
383 io_db["file_record"].line_n = 1
384 while world_db["TURN"] < opts.replay:
385 line = io_db["file_record"].readline()
388 obey(line.rstrip(), io_db["file_record"].prefix
389 + str(io_db["file_record"].line_n))
390 io_db["file_record"].line_n = io_db["file_record"].line_n + 1
392 try_worldstate_update()
393 obey(read_command(), "in file", replay=True)
397 """Play game by server input file commands. Before, load save file found.
399 If no save file is found, a new world is generated from the commands in the
400 world config plus a 'MAKE WORLD [current Unix timestamp]'. Record this
401 command and all that follow via the server input file. Run
402 try_worldstate_update() before each interactive obey()/read_command().
404 if os.access(io_db["path_save"], os.F_OK):
405 obey_lines_in_file(io_db["path_save"], "save")
407 if not os.access(io_db["path_worldconf"], os.F_OK):
408 msg = "No world config file from which to start a new world."
409 raise SystemExit(msg)
410 obey_lines_in_file(io_db["path_worldconf"], "world config ",
412 obey("MAKE_WORLD " + str(int(time.time())), "in file", do_record=True)
414 try_worldstate_update()
415 obey(read_command(), "in file", do_record=True)
419 """(Re-)make island map.
421 Let "~" represent water, "." land, "X" trees: Build island shape randomly,
422 start with one land cell in the middle, then go into cycle of repeatedly
423 selecting a random sea cell and transforming it into land if it is neighbor
424 to land. The cycle ends when a land cell is due to be created at the map's
425 border. Then put some trees on the map (TODO: more precise algorithm desc).
427 def is_neighbor(coordinates, type):
430 length = world_db["MAP_LENGTH"]
432 diag_west = x + (ind > 0)
433 diag_east = x + (ind < (length - 1))
434 pos = (y * length) + x
435 if (y > 0 and diag_east
436 and type == chr(world_db["MAP"][pos - length + ind])) \
438 and type == chr(world_db["MAP"][pos + 1])) \
439 or (y < (length - 1) and diag_east
440 and type == chr(world_db["MAP"][pos + length + ind])) \
441 or (y > 0 and diag_west
442 and type == chr(world_db["MAP"][pos - length - (not ind)])) \
444 and type == chr(world_db["MAP"][pos - 1])) \
445 or (y < (length - 1) and diag_west
446 and type == chr(world_db["MAP"][pos + length - (not ind)])):
449 store_seed = rand.seed
450 rand.seed = world_db["SEED_MAP"]
451 world_db["MAP"] = bytearray(b'~' * (world_db["MAP_LENGTH"] ** 2))
452 length = world_db["MAP_LENGTH"]
453 add_half_width = (not (length % 2)) * int(length / 2)
454 world_db["MAP"][int((length ** 2) / 2) + add_half_width] = ord(".")
456 y = rand.next() % length
457 x = rand.next() % length
458 pos = (y * length) + x
459 if "~" == chr(world_db["MAP"][pos]) and is_neighbor((y, x), "."):
460 if y == 0 or y == (length - 1) or x == 0 or x == (length - 1):
462 world_db["MAP"][pos] = ord(".")
463 n_trees = int((length ** 2) / 16)
465 while (i_trees <= n_trees):
466 single_allowed = rand.next() % 32
467 y = rand.next() % length
468 x = rand.next() % length
469 pos = (y * length) + x
470 if "." == chr(world_db["MAP"][pos]) \
471 and ((not single_allowed) or is_neighbor((y, x), "X")):
472 world_db["MAP"][pos] = ord("X")
474 rand.seed = store_seed
475 # This all-too-precise replica of the original C code misses iter_limit().
478 def update_map_memory(t, age_map=True):
479 """Update t's T_MEMMAP with what's in its FOV now,age its T_MEMMEPTHMAP."""
480 if not t["T_MEMMAP"]:
481 t["T_MEMMAP"] = bytearray(b' ' * (world_db["MAP_LENGTH"] ** 2))
482 if not t["T_MEMDEPTHMAP"]:
483 t["T_MEMDEPTHMAP"] = bytearray(b' ' * (world_db["MAP_LENGTH"] ** 2))
484 for pos in range(world_db["MAP_LENGTH"] ** 2):
485 if "v" == chr(t["fovmap"][pos]):
486 t["T_MEMDEPTHMAP"][pos] = ord("0")
487 if " " == chr(t["T_MEMMAP"][pos]):
488 t["T_MEMMAP"][pos] = world_db["MAP"][pos]
490 if age_map and ord('0') <= t["T_MEMDEPTHMAP"][pos] \
491 and ord('9') > t["T_MEMDEPTHMAP"][pos] \
492 and not rand.next() % (2 ** (t["T_MEMDEPTHMAP"][pos] - 48)):
493 t["T_MEMDEPTHMAP"][pos] += 1
494 for mt in [mt for mt in t["T_MEMTHING"]
495 if "v" == chr(t["fovmap"][(mt[1] * world_db["MAP_LENGTH"])
497 t["T_MEMTHING"].remove(mt)
498 for id in [id for id in world_db["Things"]
499 if not world_db["Things"][id]["carried"]]:
500 type = world_db["Things"][id]["T_TYPE"]
501 if not world_db["ThingTypes"][type]["TT_LIFEPOINTS"]:
502 y = world_db["Things"][id]["T_POSY"]
503 x = world_db["Things"][id]["T_POSX"]
504 if "v" == chr(t["fovmap"][(y * world_db["MAP_LENGTH"]) + x]):
505 t["T_MEMTHING"].append((type, y, x))
508 def set_world_inactive():
509 """Set world_db["WORLD_ACTIVE"] to 0 and remove worldstate file."""
511 if os.access(io_db["path_worldstate"], os.F_OK):
512 os.remove(io_db["path_worldstate"])
513 world_db["WORLD_ACTIVE"] = 0
516 def integer_test(val_string, min, max):
517 """Return val_string if possible integer >= min and <= max, else None."""
519 val = int(val_string)
520 if val < min or val > max:
524 print("Ignoring: Please use integer >= " + str(min) + " and <= " +
529 def setter(category, key, min, max):
530 """Build setter for world_db([category + "s"][id])[key] to >=min/<=max."""
533 val = integer_test(val_string, min, max)
537 if category == "Thing":
538 id_store = command_tid
539 decorator = test_Thing_id
540 elif category == "ThingType":
541 id_store = command_ttid
542 decorator = test_ThingType_id
543 elif category == "ThingAction":
544 id_store = command_taid
545 decorator = test_ThingAction_id
549 val = integer_test(val_string, min, max)
551 world_db[category + "s"][id_store.id][key] = val
555 def build_fov_map(t):
556 """Build Thing's FOV map."""
557 t["fovmap"] = bytearray(b'v' * (world_db["MAP_LENGTH"] ** 2))
558 maptype = ctypes.c_char * len(world_db["MAP"])
559 test = libpr.build_fov_map(t["T_POSY"], t["T_POSX"],
560 maptype.from_buffer(t["fovmap"]),
561 maptype.from_buffer(world_db["MAP"]))
563 raise RuntimeError("Malloc error in build_fov_Map().")
566 def decrement_lifepoints(t):
567 """Decrement t's lifepoints by 1, and if to zero, corpse it.
569 If t is the player avatar, only blank its fovmap, so that the client may
570 still display memory data. On non-player things, erase fovmap and memory.
572 t["T_LIFEPOINTS"] -= 1
573 if 0 == t["T_LIFEPOINTS"]:
574 t["T_TYPE"] = world_db["ThingTypes"][t["T_TYPE"]]["TT_CORPSE_ID"]
575 if world_db["Things"][0] == t:
576 t["fovmap"] = bytearray(b' ' * (world_db["MAP_LENGTH"] ** 2))
577 strong_write(io_db["file_out"], "LOG You die.\n")
580 t["T_MEMMAP"] = False
581 t["T_MEMDEPTHMAP"] = False
583 strong_write(io_db["file_out"], "LOG It dies.\n")
586 def mv_yx_in_dir_legal(dir, y, x):
587 """Wrapper around libpr.mv_yx_in_dir_legal to simplify its use."""
588 dir_c = dir.encode("ascii")[0]
589 test = libpr.mv_yx_in_dir_legal_wrap(dir_c, y, x)
591 raise RuntimeError("Too much wrapping in mv_yx_in_dir_legal_wrap()!")
592 return (test, libpr.result_y(), libpr.result_x())
596 """Make t do nothing (but loudly, if player avatar)."""
597 if t == world_db["Things"][0]:
598 strong_write(io_db["file_out"], "LOG You wait.\n")
602 """If passable, move/collide(=attack) thing into T_ARGUMENT's direction."""
604 move_result = mv_yx_in_dir_legal(chr(t["T_ARGUMENT"]),
605 t["T_POSY"], t["T_POSX"])
606 if 1 == move_result[0]:
607 pos = (move_result[1] * world_db["MAP_LENGTH"]) + move_result[2]
608 passable = "." == chr(world_db["MAP"][pos])
609 hitted = [id for id in world_db["Things"]
610 if world_db["Things"][id] != t
611 if world_db["Things"][id]["T_LIFEPOINTS"]
612 if world_db["Things"][id]["T_POSY"] == move_result[1]
613 if world_db["Things"][id]["T_POSX"] == move_result[2]]
616 hitter_name = world_db["ThingTypes"][t["T_TYPE"]]["TT_NAME"]
617 hitter = "You" if t == world_db["Things"][0] else hitter_name
618 hitted_type = world_db["Things"][hit_id]["T_TYPE"]
619 hitted_name = world_db["ThingTypes"][hitted_type]["TT_NAME"]
620 hitted = "you" if hit_id == 0 else hitted_name
621 verb = " wound " if hitter == "You" else " wounds "
622 strong_write(io_db["file_out"], "LOG " + hitter + verb + hitted +
624 decrement_lifepoints(world_db["Things"][hit_id])
626 dir = [dir for dir in directions_db
627 if directions_db[dir] == chr(t["T_ARGUMENT"])][0]
629 t["T_POSY"] = move_result[1]
630 t["T_POSX"] = move_result[2]
631 for id in t["T_CARRIES"]:
632 world_db["Things"][id]["T_POSY"] = move_result[1]
633 world_db["Things"][id]["T_POSX"] = move_result[2]
635 if t == world_db["Things"][0]:
636 strong_write(io_db["file_out"], "LOG You move " + dir + ".\n")
637 elif t == world_db["Things"][0]:
638 strong_write(io_db["file_out"], "LOG You fail to move " + dir + ".\n")
641 def actor_pick_up(t):
642 """Make t pick up (topmost?) Thing from ground into inventory."""
643 # Topmostness is actually not defined so far. Picks Thing with highest ID.
644 ids = [id for id in world_db["Things"] if world_db["Things"][id] != t
645 if not world_db["Things"][id]["carried"]
646 if world_db["Things"][id]["T_POSY"] == t["T_POSY"]
647 if world_db["Things"][id]["T_POSX"] == t["T_POSX"]]
653 world_db["Things"][highest_id]["carried"] = True
654 t["T_CARRIES"].append(highest_id)
655 if t == world_db["Things"][0]:
656 strong_write(io_db["file_out"], "LOG You pick up an object.\n")
657 elif t == world_db["Things"][0]:
658 err = "You try to pick up an object, but there is none."
659 strong_write(io_db["file_out"], "LOG " + err + "\n")
663 """Make t rop Thing from inventory to ground indexed by T_ARGUMENT."""
664 # TODO: Handle case where T_ARGUMENT matches nothing.
665 if len(t["T_CARRIES"]):
666 id = t["T_CARRIES"][t["T_ARGUMENT"]]
667 t["T_CARRIES"].remove(id)
668 world_db["Things"][id]["carried"] = False
669 if t == world_db["Things"][0]:
670 strong_write(io_db["file_out"], "LOG You drop an object.\n")
671 elif t == world_db["Things"][0]:
672 err = "You try to drop an object, but you own none."
673 strong_write(io_db["file_out"], "LOG " + err + "\n")
677 """Make t use (for now: consume) T_ARGUMENT-indexed Thing in inventory."""
678 # TODO: Handle case where T_ARGUMENT matches nothing.
679 if len(t["T_CARRIES"]):
680 id = t["T_CARRIES"][t["T_ARGUMENT"]]
681 type = world_db["Things"][id]["T_TYPE"]
682 if world_db["ThingTypes"][type]["TT_CONSUMABLE"]:
683 t["T_CARRIES"].remove(id)
684 del world_db["Things"][id]
685 t["T_SATIATION"] += world_db["ThingTypes"][type]["TT_CONSUMABLE"]
686 if t == world_db["Things"][0]:
687 strong_write(io_db["file_out"],
688 "LOG You consume this object.\n")
689 elif t == world_db["Things"][0]:
690 strong_write(io_db["file_out"],
691 "LOG You try to use this object, but fail.\n")
692 elif t == world_db["Things"][0]:
693 strong_write(io_db["file_out"],
694 "LOG You try to use an object, but you own none.\n")
697 def thingproliferation(t):
698 """To chance of 1/TT_PROLIFERATE, create t offspring in neighbor cell.
700 Naturally only works with TT_PROLIFERATE > 0. The neighbor cell must be
701 passable and not be inhabited by a Thing of the same type, or, if Thing is
702 animate, any other animate Thing. If there are several map cell candidates,
703 one is selected randomly.
705 def test_cell(t, y, x):
706 if "." == chr(world_db["MAP"][(y * world_db["MAP_LENGTH"]) + x]):
707 for id in [id for id in world_db["Things"]
708 if y == world_db["Things"][id]["T_POSY"]
709 if x == world_db["Things"][id]["T_POSX"]
710 if (t["T_TYPE"] == world_db["Things"][id]["T_TYPE"])
711 or (t["T_LIFEPOINTS"] and
712 world_db["Things"][id]["T_LIFEPOINTS"])]:
716 prolscore = world_db["ThingTypes"][t["T_TYPE"]]["TT_PROLIFERATE"]
717 if prolscore and (1 == prolscore or 1 == (rand.next() % prolscore)):
719 for dir in [directions_db[key] for key in directions_db]:
720 mv_result = mv_yx_in_dir_legal(dir, t["T_POSY"], t["T_POSX"])
721 if mv_result[0] and test_cell(t, mv_result[1], mv_result[2]):
722 candidates.append((mv_result[1], mv_result[2]))
724 i = rand.next() % len(candidates)
725 id = id_setter(-1, "Things")
726 newT = new_Thing(t["T_TYPE"], (candidates[i][0], candidates[i][1]))
727 world_db["Things"][id] = newT
731 """Grow t's HP to a 1/32 chance if < HP max, satiation > 0, and waiting.
733 On success, decrease satiation score by 32.
735 if t["T_SATIATION"] > 0 \
736 and t["T_LIFEPOINTS"] < \
737 world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"] \
738 and 0 == (rand.next() % 31) \
739 and t["T_COMMAND"] == [id for id in world_db["ThingActions"]
740 if world_db["ThingActions"][id]["TA_NAME"] ==
742 t["T_LIFEPOINTS"] += 1
743 t["T_SATIATION"] -= 32
744 if t == world_db["Things"][0]:
745 strong_write(io_db["file_out"], "LOG You heal.\n")
747 name = world_db["ThingTypes"][t["T_TYPE"]]["TT_NAME"]
748 strong_write(io_db["file_out"], "LOG " + name + "heals.\n")
752 """Decrement t's satiation,dependent on it trigger lifepoint dec chance."""
753 if t["T_SATIATION"] > -32768:
754 t["T_SATIATION"] -= 1
755 testbase = t["T_SATIATION"] if t["T_SATIATION"] >= 0 else -t["T_SATIATION"]
756 if not world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"]:
757 raise RuntimeError("A thing that should not hunger is hungering.")
758 stomach = int(32767 / world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"])
759 if int(int(testbase / stomach) / ((rand.next() % stomach) + 1)):
760 if t == world_db["Things"][0]:
761 strong_write(io_db["file_out"], "LOG You suffer from hunger.\n")
763 name = world_db["ThingTypes"][t["T_TYPE"]]["TT_NAME"]
764 strong_write(io_db["file_out"], "LOG " + name +
765 " suffers from hunger.\n")
766 decrement_lifepoints(t)
769 def get_dir_to_target(t, filter):
770 """Try to set T_COMMAND/T_ARGUMENT for move to "filter"-determined target.
772 The path-wise nearest target is chosen, via the shortest available path.
773 Target must not be t. On succcess, return positive value, else False.
775 "a": Thing in FOV is below a certain distance, animate, but of ThingType
776 that is not t's, and starts out weaker than t is; build path as
777 avoiding things of t's ThingType
778 "f": neighbor cell (not inhabited by any animate Thing) further away from
779 animate Thing not further than x steps away and in FOV and of a
780 ThingType that is not t's, and starts out stronger or as strong as t
781 is currently; or (cornered), if no such flight cell, but Thing of
782 above criteria is too near,1 a cell closer to it, or, if less near,
784 "c": Thing in memorized map is consumable
785 "s": memory map cell with greatest-reachable degree of unexploredness
788 def set_map_score(pos, score):
789 test = libpr.set_map_score(pos, score)
791 raise RuntimeError("No score map allocated for set_map_score().")
793 def get_map_score(pos):
794 result = libpr.get_map_score(pos)
796 raise RuntimeError("No score map allocated for get_map_score().")
800 if t["fovmap"] and ("a" == filter or "f" == filter):
801 for id in world_db["Things"]:
802 Thing = world_db["Things"][id]
803 if Thing != t and Thing["T_LIFEPOINTS"] and \
804 t["T_TYPE"] != Thing["T_TYPE"] and \
805 'v' == chr(t["fovmap"][(Thing["T_POSY"]
806 * world_db["MAP_LENGTH"])
808 ThingType = world_db["ThingTypes"][Thing["T_TYPE"]]
809 if ("f" == filter and ThingType["TT_LIFEPOINTS"] >=
811 or ("a" == filter and ThingType["TT_LIFEPOINTS"] <
814 elif t["T_MEMMAP"] and "c" == filter:
815 for mt in t["T_MEMTHING"]:
816 if ' ' != chr(t["T_MEMMAP"][(mt[1] * world_db["MAP_LENGTH"])
818 and world_db["ThingTypes"][mt[0]]["TT_CONSUMABLE"]:
822 def init_score_map():
823 test = libpr.init_score_map()
825 raise RuntimeError("Malloc error in init_score_map().")
826 for i in [i for i in range(world_db["MAP_LENGTH"] ** 2)
827 if '.' == chr(t["T_MEMMAP"][i])]:
828 set_map_score(i, 65535 - 1)
830 for id in world_db["Things"]:
831 Thing = world_db["Things"][id]
832 pos = Thing["T_POSY"] * world_db["MAP_LENGTH"] + Thing["T_POSX"]
833 if t != Thing and Thing["T_LIFEPOINTS"] and \
834 t["T_TYPE"] != Thing["T_TYPE"] and \
835 'v' == chr(t["fovmap"][pos]) and \
836 t["T_LIFEPOINTS"] > \
837 world_db["ThingTypes"][Thing["T_TYPE"]]["TT_LIFEPOINTS"]:
838 set_map_score(pos, 0)
839 elif t["T_TYPE"] == Thing["T_TYPE"]:
840 set_map_score(pos, 65535)
842 for id in [id for id in world_db["Things"]
843 if world_db["Things"][id]["T_LIFEPOINTS"]]:
844 Thing = world_db["Things"][id]
845 pos = Thing["T_POSY"] * world_db["MAP_LENGTH"] + Thing["T_POSX"]
846 if t["T_TYPE"] != Thing["T_TYPE"] and \
847 'v' == chr(t["fovmap"][pos]) and \
848 t["T_LIFEPOINTS"] <= \
849 world_db["ThingTypes"][Thing["T_TYPE"]]["TT_LIFEPOINTS"]:
850 set_map_score(pos, 0)
852 for mt in [mt for mt in t["T_MEMTHING"]
853 if ' ' != chr(t["T_MEMMAP"][mt[1]
854 * world_db["MAP_LENGTH"]
856 if world_db["ThingTypes"][mt[0]]["TT_CONSUMABLE"]]:
857 set_map_score(mt[1] * world_db["MAP_LENGTH"] + mt[2], 0)
859 for i in [i for i in range(world_db["MAP_LENGTH"] ** 2)
860 if t["T_MEMDEPTHMAP"][i] == mem_depth_c[0]]:
863 def rand_target_dir(neighbors, cmp, dirs):
866 for i in range(len(dirs)):
867 if cmp == neighbors[i]:
868 candidates.append(dirs[i])
870 return candidates[rand.next() % n_candidates] if n_candidates else 0
872 def get_neighbor_scores(dirs, eye_pos):
874 if libpr.ready_neighbor_scores(eye_pos):
875 raise RuntimeError("No score map allocated for " +
876 "ready_neighbor_scores.()")
877 for i in range(len(dirs)):
878 scores.append(libpr.get_neighbor_score(i))
881 def get_dir_from_neighbors():
882 dir_to_target = False
884 eye_pos = t["T_POSY"] * world_db["MAP_LENGTH"] + t["T_POSX"]
885 neighbors = get_neighbor_scores(dirs, eye_pos)
887 inhabited = [world_db["Things"][id]["T_POSY"]
888 * world_db["MAP_LENGTH"]
889 + world_db["Things"][id]["T_POSX"]
890 for id in world_db["Things"]
891 if world_db["Things"][id]["T_LIFEPOINTS"]]
892 for i in range(len(dirs)):
893 mv_yx_in_dir_legal(dirs[i], t["T_POSY"], t["T_POSX"])
894 pos_cmp = libpr.result_y() * world_db["MAP_LENGTH"] \
896 for pos in [pos for pos in inhabited if pos == pos_cmp]:
899 minmax_start = 0 if "f" == filter else 65535 - 1
900 minmax_neighbor = minmax_start
901 for i in range(len(dirs)):
902 if ("f" == filter and get_map_score(eye_pos) < neighbors[i] and
903 minmax_neighbor < neighbors[i] and 65535 != neighbors[i]) \
904 or ("f" != filter and minmax_neighbor > neighbors[i]):
905 minmax_neighbor = neighbors[i]
906 if minmax_neighbor != minmax_start:
907 dir_to_target = rand_target_dir(neighbors, minmax_neighbor, dirs)
909 if not dir_to_target:
910 if 1 == get_map_score(eye_pos):
911 dir_to_target = rand_target_dir(neighbors, 0, dirs)
912 elif 3 >= get_map_score(eye_pos):
913 t["T_COMMAND"] = [id for id in world_db["ThingActions"]
914 if world_db["ThingActions"][id]["TA_NAME"]
917 elif dir_to_target and 3 < get_map_score(eye_pos):
919 elif "a" == filter and 10 <= get_map_score(eye_pos):
923 dir_to_target = False
925 run_i = 9 + 1 if "s" == filter else 1
926 while run_i and not dir_to_target and ("s" == filter or seeing_thing()):
929 mem_depth_c = b'9' if b' ' == mem_depth_c \
930 else bytes([mem_depth_c[0] - 1])
931 if libpr.dijkstra_map():
932 raise RuntimeError("No score map allocated for dijkstra_map().")
933 dir_to_target = get_dir_from_neighbors()
934 libpr.free_score_map()
935 if dir_to_target and str == type(dir_to_target):
936 t["T_COMMAND"] = [id for id in world_db["ThingActions"]
937 if world_db["ThingActions"][id]["TA_NAME"]
939 t["T_ARGUMENT"] = ord(dir_to_target)
943 def standing_on_consumable(t):
944 """Return True/False whether t is standing on a consumable."""
945 for id in [id for id in world_db["Things"] if world_db["Things"][id] != t
946 if world_db["Things"][id]["T_POSY"] == t["T_POSY"]
947 if world_db["Things"][id]["T_POSX"] == t["T_POSX"]
948 if world_db["ThingTypes"][world_db["Things"][id]["T_TYPE"]]
954 def get_inventory_slot_to_consume(t):
955 """Return slot Id of strongest consumable in t's inventory, else -1."""
956 cmp_consumability = 0
959 for id in t["T_CARRIES"]:
960 type = world_db["Things"][id]["T_TYPE"]
961 if world_db["ThingTypes"][type]["TT_CONSUMABLE"] > cmp_consumability:
962 cmp_consumability = world_db["ThingTypes"][type]["TT_CONSUMABLE"]
969 """Determine next command/argment for actor t via AI algorithms.
971 AI will look for, and move towards, enemies (animate Things not of their
972 own ThingType); if they see none, they will consume consumables in their
973 inventory; if there are none, they will pick up what they stand on if they
974 stand on consumables; if they stand on none, they will move towards the
975 next consumable they see or remember on the map; if they see or remember
976 none, they will explore parts of the map unseen since ever or for at least
977 one turn; if there is nothing to explore, they will simply wait.
979 t["T_COMMAND"] = [id for id in world_db["ThingActions"]
980 if world_db["ThingActions"][id]["TA_NAME"] == "wait"][0]
981 if not get_dir_to_target(t, "f"):
982 sel = get_inventory_slot_to_consume(t)
984 t["T_COMMAND"] = [id for id in world_db["ThingActions"]
985 if world_db["ThingActions"][id]["TA_NAME"]
987 t["T_ARGUMENT"] = sel
988 elif standing_on_consumable(t):
989 t["T_COMMAND"] = [id for id in world_db["ThingActions"]
990 if world_db["ThingActions"][id]["TA_NAME"]
992 elif (not get_dir_to_target(t, "c")) and \
993 (not get_dir_to_target(t, "a")):
994 get_dir_to_target(t, "s")
998 """Run game world and its inhabitants until new player input expected."""
1000 whilebreaker = False
1001 while world_db["Things"][0]["T_LIFEPOINTS"]:
1002 for id in [id for id in world_db["Things"]]: # Only what is from start!
1003 if not id in world_db["Things"] or \
1004 world_db["Things"][id]["carried"]:# Thing may have been consumed
1005 continue # or picked up during turn …
1006 Thing = world_db["Things"][id]
1007 if Thing["T_LIFEPOINTS"]:
1008 if not Thing["T_COMMAND"]:
1009 update_map_memory(Thing)
1015 Thing["T_PROGRESS"] += 1
1016 taid = [a for a in world_db["ThingActions"]
1017 if a == Thing["T_COMMAND"]][0]
1018 ThingAction = world_db["ThingActions"][taid]
1019 if Thing["T_PROGRESS"] == ThingAction["TA_EFFORT"]:
1020 eval("actor_" + ThingAction["TA_NAME"])(Thing)
1021 Thing["T_COMMAND"] = 0
1022 Thing["T_PROGRESS"] = 0
1024 thingproliferation(Thing)
1027 world_db["TURN"] += 1
1030 def new_Thing(type, pos=(0, 0)):
1031 """Return Thing of type T_TYPE, with fovmap if alive and world active."""
1033 "T_LIFEPOINTS": world_db["ThingTypes"][type]["TT_LIFEPOINTS"],
1045 "T_MEMDEPTHMAP": False,
1048 if world_db["WORLD_ACTIVE"] and thing["T_LIFEPOINTS"]:
1049 build_fov_map(thing)
1053 def id_setter(id, category, id_store=False, start_at_1=False):
1054 """Set ID of object of category to manipulate ID unused? Create new one.
1056 The ID is stored as id_store.id (if id_store is set). If the integer of the
1057 input is valid (if start_at_1, >= 0 and <= 255, else >= -32768 and <=
1058 32767), but <0 or (if start_at_1) <1, calculate new ID: lowest unused ID
1059 >=0 or (if start_at_1) >= 1, and <= 255. None is always returned when no
1060 new object is created, otherwise the new object's ID.
1062 min = 0 if start_at_1 else -32768
1063 max = 255 if start_at_1 else 32767
1065 id = integer_test(id, min, max)
1067 if id in world_db[category]:
1072 if (start_at_1 and 0 == id) \
1073 or ((not start_at_1) and (id < 0 or id > 255)):
1077 if id not in world_db[category]:
1081 "No unused ID available to add to ID list.")
1089 """Send PONG line to server output file."""
1090 strong_write(io_db["file_out"], "PONG\n")
1094 """Abort server process."""
1095 raise SystemExit("received QUIT command")
1098 def command_thingshere(str_y, str_x):
1099 """Write to out file list of Things known to player at coordinate y, x."""
1100 if world_db["WORLD_ACTIVE"]:
1101 y = integer_test(str_y, 0, 255)
1102 x = integer_test(str_x, 0, 255)
1103 length = world_db["MAP_LENGTH"]
1104 if None != y and None != x and y < length and x < length:
1105 pos = (y * world_db["MAP_LENGTH"]) + x
1106 strong_write(io_db["file_out"], "THINGS_HERE START\n")
1107 if "v" == chr(world_db["Things"][0]["fovmap"][pos]):
1108 for id in world_db["Things"]:
1109 # write_thing_if_here()
1110 if y == world_db["Things"][id]["T_POSY"] \
1111 and x == world_db["Things"][id]["T_POSX"] \
1112 and not world_db["Things"][id]["carried"]:
1113 type = world_db["Things"][id]["T_TYPE"]
1114 name = world_db["ThingTypes"][type]["TT_NAME"]
1115 strong_write(io_db["file_out"], name + "\n")
1117 for mt in world_db["Things"][0]["T_MEMTHING"]:
1118 if y == mt[1] and x == mt[2]:
1119 name = world_db["ThingTypes"][mt[0]]["TT_NAME"]
1120 strong_write(io_db["file_out"], name + "\n")
1121 strong_write(io_db["file_out"], "THINGS_HERE END\n")
1123 print("Ignoring: Invalid map coordinates.")
1125 print("Ignoring: Command only works on existing worlds.")
1128 def play_commander(action, args=False):
1129 """Setter for player's T_COMMAND and T_ARGUMENT, then calling turn_over().
1131 T_ARGUMENT is set to direction char if action=="wait",or 8-bit int if args.
1135 id = [x for x in world_db["ThingActions"]
1136 if world_db["ThingActions"][x]["TA_NAME"] == action][0]
1137 world_db["Things"][0]["T_COMMAND"] = id
1140 def set_command_and_argument_int(str_arg):
1141 val = integer_test(str_arg, 0, 255)
1143 world_db["Things"][0]["T_ARGUMENT"] = val
1146 def set_command_and_argument_movestring(str_arg):
1147 if str_arg in directions_db:
1148 world_db["Things"][0]["T_ARGUMENT"] = ord(directions_db[str_arg])
1151 print("Ignoring: Argument must be valid direction string.")
1153 if action == "move":
1154 return set_command_and_argument_movestring
1156 return set_command_and_argument_int
1161 def command_seedrandomness(seed_string):
1162 """Set rand seed to int(seed_string)."""
1163 val = integer_test(seed_string, 0, 4294967295)
1168 def command_seedmap(seed_string):
1169 """Set world_db["SEED_MAP"] to int(seed_string), then (re-)make map."""
1170 setter(None, "SEED_MAP", 0, 4294967295)(seed_string)
1174 def command_makeworld(seed_string):
1175 """(Re-)build game world, i.e. map, things, to a new turn 1 from seed.
1177 Seed rand with seed, fill it into world_db["SEED_MAP"]. Do more only with a
1178 "wait" ThingAction and world["PLAYER_TYPE"] matching ThingType of
1179 TT_START_NUMBER > 0. Then, world_db["Things"] emptied, call remake_map()
1180 and set world_db["WORLD_ACTIVE"], world_db["TURN"] to 1. Build new Things
1181 according to ThingTypes' TT_START_NUMBERS, with Thing of ID 0 to ThingType
1182 of ID = world["PLAYER_TYPE"]. Place Things randomly, and actors not on each
1183 other. Init player's memory map. Write "NEW_WORLD" line to out file.
1189 err = "Space to put thing on too hard to find. Map too small?"
1191 y = rand.next() % world_db["MAP_LENGTH"]
1192 x = rand.next() % world_db["MAP_LENGTH"]
1193 if "." == chr(world_db["MAP"][y * world_db["MAP_LENGTH"] + x]):
1197 raise SystemExit(err)
1198 # Replica of C code, wrongly ignores animatedness of new Thing.
1199 pos_clear = (0 == len([id for id in world_db["Things"]
1200 if world_db["Things"][id]["T_LIFEPOINTS"]
1201 if world_db["Things"][id]["T_POSY"] == y
1202 if world_db["Things"][id]["T_POSX"] == x]))
1207 val = integer_test(seed_string, 0, 4294967295)
1211 world_db["SEED_MAP"] = val
1212 player_will_be_generated = False
1213 playertype = world_db["PLAYER_TYPE"]
1214 for ThingType in world_db["ThingTypes"]:
1215 if playertype == ThingType:
1216 if 0 < world_db["ThingTypes"][ThingType]["TT_START_NUMBER"]:
1217 player_will_be_generated = True
1219 if not player_will_be_generated:
1220 print("Ignoring beyond SEED_MAP: " +
1221 "No player type with start number >0 defined.")
1224 for ThingAction in world_db["ThingActions"]:
1225 if "wait" == world_db["ThingActions"][ThingAction]["TA_NAME"]:
1228 print("Ignoring beyond SEED_MAP: " +
1229 "No thing action with name 'wait' defined.")
1231 world_db["Things"] = {}
1233 world_db["WORLD_ACTIVE"] = 1
1234 world_db["TURN"] = 1
1235 for i in range(world_db["ThingTypes"][playertype]["TT_START_NUMBER"]):
1236 id = id_setter(-1, "Things")
1237 world_db["Things"][id] = new_Thing(playertype, free_pos())
1238 update_map_memory(world_db["Things"][0])
1239 for type in world_db["ThingTypes"]:
1240 for i in range(world_db["ThingTypes"][type]["TT_START_NUMBER"]):
1241 if type != playertype:
1242 id = id_setter(-1, "Things")
1243 world_db["Things"][id] = new_Thing(type, free_pos())
1244 strong_write(io_db["file_out"], "NEW_WORLD\n")
1247 def command_maplength(maplength_string):
1248 """Redefine map length. Invalidate map, therefore lose all things on it."""
1249 val = integer_test(maplength_string, 1, 256)
1251 world_db["MAP_LENGTH"] = val
1252 set_world_inactive()
1253 world_db["Things"] = {}
1254 libpr.set_maplength(val)
1257 def command_worldactive(worldactive_string):
1258 """Toggle world_db["WORLD_ACTIVE"] if possible.
1260 An active world can always be set inactive. An inactive world can only be
1261 set active with a "wait" ThingAction, and a player Thing (of ID 0). On
1262 activation, rebuild all Things' FOVs, and the player's map memory.
1264 # In original version, map existence was also tested (unnecessarily?).
1265 val = integer_test(worldactive_string, 0, 1)
1267 if 0 != world_db["WORLD_ACTIVE"]:
1269 set_world_inactive()
1271 print("World already active.")
1272 elif 0 == world_db["WORLD_ACTIVE"]:
1274 for ThingAction in world_db["ThingActions"]:
1275 if "wait" == world_db["ThingActions"][ThingAction]["TA_NAME"]:
1278 player_exists = False
1279 for Thing in world_db["Things"]:
1281 player_exists = True
1283 if wait_exists and player_exists:
1284 for id in world_db["Things"]:
1285 if world_db["Things"][id]["T_LIFEPOINTS"]:
1286 build_fov_map(world_db["Things"][id])
1288 update_map_memory(world_db["Things"][id])
1289 world_db["WORLD_ACTIVE"] = 1
1292 def test_for_id_maker(object, category):
1293 """Return decorator testing for object having "id" attribute."""
1296 if hasattr(object, "id"):
1299 print("Ignoring: No " + category +
1300 " defined to manipulate yet.")
1305 def command_tid(id_string):
1306 """Set ID of Thing to manipulate. ID unused? Create new one.
1308 Default new Thing's type to the first available ThingType, others: zero.
1310 id = id_setter(id_string, "Things", command_tid)
1312 if world_db["ThingTypes"] == {}:
1313 print("Ignoring: No ThingType to settle new Thing in.")
1315 type = list(world_db["ThingTypes"].keys())[0]
1316 world_db["Things"][id] = new_Thing(type)
1319 test_Thing_id = test_for_id_maker(command_tid, "Thing")
1323 def command_tcommand(str_int):
1324 """Set T_COMMAND of selected Thing."""
1325 val = integer_test(str_int, 0, 255)
1327 if 0 == val or val in world_db["ThingActions"]:
1328 world_db["Things"][command_tid.id]["T_COMMAND"] = val
1330 print("Ignoring: ThingAction ID belongs to no known ThingAction.")
1334 def command_ttype(str_int):
1335 """Set T_TYPE of selected Thing."""
1336 val = integer_test(str_int, 0, 255)
1338 if val in world_db["ThingTypes"]:
1339 world_db["Things"][command_tid.id]["T_TYPE"] = val
1341 print("Ignoring: ThingType ID belongs to no known ThingType.")
1345 def command_tcarries(str_int):
1346 """Append int(str_int) to T_CARRIES of selected Thing.
1348 The ID int(str_int) must not be of the selected Thing, and must belong to a
1349 Thing with unset "carried" flag. Its "carried" flag will be set on owning.
1351 val = integer_test(str_int, 0, 255)
1353 if val == command_tid.id:
1354 print("Ignoring: Thing cannot carry itself.")
1355 elif val in world_db["Things"] \
1356 and not world_db["Things"][val]["carried"]:
1357 world_db["Things"][command_tid.id]["T_CARRIES"].append(val)
1358 world_db["Things"][val]["carried"] = True
1360 print("Ignoring: Thing not available for carrying.")
1361 # Note that the whole carrying structure is different from the C version:
1362 # Carried-ness is marked by a "carried" flag, not by Things containing
1363 # Things internally.
1367 def command_tmemthing(str_t, str_y, str_x):
1368 """Add (int(str_t), int(str_y), int(str_x)) to selected Thing's T_MEMTHING.
1370 The type must fit to an existing ThingType, and the position into the map.
1372 type = integer_test(str_t, 0, 255)
1373 posy = integer_test(str_y, 0, 255)
1374 posx = integer_test(str_x, 0, 255)
1375 if None != type and None != posy and None != posx:
1376 if type not in world_db["ThingTypes"] \
1377 or posy >= world_db["MAP_LENGTH"] or posx >= world_db["MAP_LENGTH"]:
1378 print("Ignoring: Illegal value for thing type or position.")
1380 memthing = (type, posy, posx)
1381 world_db["Things"][command_tid.id]["T_MEMTHING"].append(memthing)
1384 def setter_map(maptype):
1385 """Set selected Thing's map of maptype's int(str_int)-th line to mapline.
1387 If Thing has no map of maptype yet, initialize it with ' ' bytes first.
1390 def helper(str_int, mapline):
1391 val = integer_test(str_int, 0, 255)
1393 if val >= world_db["MAP_LENGTH"]:
1394 print("Illegal value for map line number.")
1395 elif len(mapline) != world_db["MAP_LENGTH"]:
1396 print("Map line length is unequal map width.")
1398 length = world_db["MAP_LENGTH"]
1400 if not world_db["Things"][command_tid.id][maptype]:
1401 map = bytearray(b' ' * (length ** 2))
1403 map = world_db["Things"][command_tid.id][maptype]
1404 map[val * length:(val * length) + length] = mapline.encode()
1405 world_db["Things"][command_tid.id][maptype] = map
1409 def setter_tpos(axis):
1410 """Generate setter for T_POSX or T_POSY of selected Thing.
1412 If world is active, rebuilds animate things' fovmap, player's memory map.
1415 def helper(str_int):
1416 val = integer_test(str_int, 0, 255)
1418 if val < world_db["MAP_LENGTH"]:
1419 world_db["Things"][command_tid.id]["T_POS" + axis] = val
1420 if world_db["WORLD_ACTIVE"] \
1421 and world_db["Things"][command_tid.id]["T_LIFEPOINTS"]:
1422 build_fov_map(world_db["Things"][command_tid.id])
1423 if 0 == command_tid.id:
1424 update_map_memory(world_db["Things"][command_tid.id])
1426 print("Ignoring: Position is outside of map.")
1430 def command_ttid(id_string):
1431 """Set ID of ThingType to manipulate. ID unused? Create new one.
1433 Default new ThingType's TT_SYMBOL to "?", TT_CORPSE_ID to self, others: 0.
1435 id = id_setter(id_string, "ThingTypes", command_ttid)
1437 world_db["ThingTypes"][id] = {
1438 "TT_NAME": "(none)",
1441 "TT_PROLIFERATE": 0,
1442 "TT_START_NUMBER": 0,
1448 test_ThingType_id = test_for_id_maker(command_ttid, "ThingType")
1452 def command_ttname(name):
1453 """Set TT_NAME of selected ThingType."""
1454 world_db["ThingTypes"][command_ttid.id]["TT_NAME"] = name
1458 def command_ttsymbol(char):
1459 """Set TT_SYMBOL of selected ThingType. """
1461 world_db["ThingTypes"][command_ttid.id]["TT_SYMBOL"] = char
1463 print("Ignoring: Argument must be single character.")
1467 def command_ttcorpseid(str_int):
1468 """Set TT_CORPSE_ID of selected ThingType."""
1469 val = integer_test(str_int, 0, 255)
1471 if val in world_db["ThingTypes"]:
1472 world_db["ThingTypes"][command_ttid.id]["TT_CORPSE_ID"] = val
1474 print("Ignoring: Corpse ID belongs to no known ThignType.")
1477 def command_taid(id_string):
1478 """Set ID of ThingAction to manipulate. ID unused? Create new one.
1480 Default new ThingAction's TA_EFFORT to 1, its TA_NAME to "wait".
1482 id = id_setter(id_string, "ThingActions", command_taid, True)
1484 world_db["ThingActions"][id] = {
1490 test_ThingAction_id = test_for_id_maker(command_taid, "ThingAction")
1493 @test_ThingAction_id
1494 def command_taname(name):
1495 """Set TA_NAME of selected ThingAction.
1497 The name must match a valid thing action function. If after the name
1498 setting no ThingAction with name "wait" remains, call set_world_inactive().
1500 if name == "wait" or name == "move" or name == "use" or name == "drop" \
1501 or name == "pick_up":
1502 world_db["ThingActions"][command_taid.id]["TA_NAME"] = name
1503 if 1 == world_db["WORLD_ACTIVE"]:
1504 wait_defined = False
1505 for id in world_db["ThingActions"]:
1506 if "wait" == world_db["ThingActions"][id]["TA_NAME"]:
1509 if not wait_defined:
1510 set_world_inactive()
1512 print("Ignoring: Invalid action name.")
1513 # In contrast to the original,naming won't map a function to a ThingAction.
1517 """Call ai() on player Thing, then turn_over()."""
1518 ai(world_db["Things"][0])
1522 """Commands database.
1524 Map command start tokens to ([0]) number of expected command arguments, ([1])
1525 the command's meta-ness (i.e. is it to be written to the record file, is it to
1526 be ignored in replay mode if read from server input file), and ([2]) a function
1530 "QUIT": (0, True, command_quit),
1531 "PING": (0, True, command_ping),
1532 "THINGS_HERE": (2, True, command_thingshere),
1533 "MAKE_WORLD": (1, False, command_makeworld),
1534 "SEED_MAP": (1, False, command_seedmap),
1535 "SEED_RANDOMNESS": (1, False, command_seedrandomness),
1536 "TURN": (1, False, setter(None, "TURN", 0, 65535)),
1537 "PLAYER_TYPE": (1, False, setter(None, "PLAYER_TYPE", 0, 255)),
1538 "MAP_LENGTH": (1, False, command_maplength),
1539 "WORLD_ACTIVE": (1, False, command_worldactive),
1540 "TA_ID": (1, False, command_taid),
1541 "TA_EFFORT": (1, False, setter("ThingAction", "TA_EFFORT", 0, 255)),
1542 "TA_NAME": (1, False, command_taname),
1543 "TT_ID": (1, False, command_ttid),
1544 "TT_NAME": (1, False, command_ttname),
1545 "TT_SYMBOL": (1, False, command_ttsymbol),
1546 "TT_CORPSE_ID": (1, False, command_ttcorpseid),
1547 "TT_CONSUMABLE": (1, False, setter("ThingType", "TT_CONSUMABLE",
1549 "TT_START_NUMBER": (1, False, setter("ThingType", "TT_START_NUMBER",
1551 "TT_PROLIFERATE": (1, False, setter("ThingType", "TT_PROLIFERATE",
1553 "TT_LIFEPOINTS": (1, False, setter("ThingType", "TT_LIFEPOINTS", 0, 255)),
1554 "T_ID": (1, False, command_tid),
1555 "T_ARGUMENT": (1, False, setter("Thing", "T_ARGUMENT", 0, 255)),
1556 "T_PROGRESS": (1, False, setter("Thing", "T_PROGRESS", 0, 255)),
1557 "T_LIFEPOINTS": (1, False, setter("Thing", "T_LIFEPOINTS", 0, 255)),
1558 "T_SATIATION": (1, False, setter("Thing", "T_SATIATION", -32768, 32767)),
1559 "T_COMMAND": (1, False, command_tcommand),
1560 "T_TYPE": (1, False, command_ttype),
1561 "T_CARRIES": (1, False, command_tcarries),
1562 "T_MEMMAP": (2, False, setter_map("T_MEMMAP")),
1563 "T_MEMDEPTHMAP": (2, False, setter_map("T_MEMDEPTHMAP")),
1564 "T_MEMTHING": (3, False, command_tmemthing),
1565 "T_POSY": (1, False, setter_tpos("Y")),
1566 "T_POSX": (1, False, setter_tpos("X")),
1567 "wait": (0, False, play_commander("wait")),
1568 "move": (1, False, play_commander("move")),
1569 "pick_up": (0, False, play_commander("pick_up")),
1570 "drop": (1, False, play_commander("drop", True)),
1571 "use": (1, False, play_commander("use", True)),
1572 "ai": (0, False, command_ai)
1576 """World state database. With sane default values. (Randomness is in rand.)"""
1588 """Mapping of direction names to internal direction chars."""
1589 directions_db = {"east": "d", "south-east": "c", "south-west": "x",
1590 "west": "s", "north-west": "w", "north-east": "e"}
1592 """File IO database."""
1594 "path_save": "save",
1595 "path_record": "record",
1596 "path_worldconf": "confserver/world",
1597 "path_server": "server/",
1598 "path_in": "server/in",
1599 "path_out": "server/out",
1600 "path_worldstate": "server/worldstate",
1601 "tmp_suffix": "_tmp",
1602 "kicked_by_rival": False,
1603 "worldstate_updateable": False
1608 libpr = prep_library()
1609 rand = RandomnessIO()
1610 opts = parse_command_line_arguments()
1612 if None != opts.replay:
1616 except SystemExit as exit:
1617 print("ABORTING: " + exit.args[0])
1619 print("SOMETHING WENT WRONG IN UNEXPECTED WAYS")