-#!/usr/bin/python3
-
-# This file is part of PlomRogue. PlomRogue is licensed under the GPL version 3
-# or any later version. For details on its copyright, license, and warranties,
-# see the file NOTICE in the root directory of the PlomRogue source package.
-
-
-import argparse
-import errno
-import os
-import shlex
-import shutil
-import time
-import ctypes
-
-
-class RandomnessIO:
- """"Interface to libplomrogue's pseudo-randomness generator."""
-
- def set_seed(self, seed):
- libpr.seed_rrand(1, seed)
-
- def get_seed(self):
- return libpr.seed_rrand(0, 0)
-
- def next(self):
- return libpr.rrand()
-
- seed = property(get_seed, set_seed)
-
-
-def prep_library():
- """Prepare ctypes library at ./libplomrogue.so"""
- libpath = ("./libplomrogue.so")
- if not os.access(libpath, os.F_OK):
- raise SystemExit("No library " + libpath +
- ", run ./compile-server.sh first?")
- libpr = ctypes.cdll.LoadLibrary(libpath)
- libpr.seed_rrand.restype = ctypes.c_uint32
- return libpr
-
-
-def strong_write(file, string):
- """Apply write(string), then flush()."""
- file.write(string)
- file.flush()
-
-
-def setup_server_io():
- """Fill IO files DB with proper file( path)s. Write process IO test string.
-
- Ensure IO files directory at server/. Remove any old input file if found.
- Set up new input file for reading, and new output file for writing. Start
- output file with process hash line of format PID + " " + floated UNIX time
- (io_db["teststring"]). Raise SystemExit if file is found at path of either
- record or save file plus io_db["tmp_suffix"].
- """
- def detect_atomic_leftover(path, tmp_suffix):
- path_tmp = path + tmp_suffix
- msg = "Found file '" + path_tmp + "' that may be a leftover from an " \
- "aborted previous attempt to write '" + path + "'. Aborting " \
- "until matter is resolved by removing it from its current path."
- if os.access(path_tmp, os.F_OK):
- raise SystemExit(msg)
- io_db["teststring"] = str(os.getpid()) + " " + str(time.time())
- io_db["save_wait"] = 0
- io_db["verbose"] = False
- io_db["record_chunk"] = ""
- os.makedirs(io_db["path_server"], exist_ok=True)
- io_db["file_out"] = open(io_db["path_out"], "w")
- strong_write(io_db["file_out"], io_db["teststring"] + "\n")
- if os.access(io_db["path_in"], os.F_OK):
- os.remove(io_db["path_in"])
- io_db["file_in"] = open(io_db["path_in"], "w")
- io_db["file_in"].close()
- io_db["file_in"] = open(io_db["path_in"], "r")
- detect_atomic_leftover(io_db["path_save"], io_db["tmp_suffix"])
- detect_atomic_leftover(io_db["path_record"], io_db["tmp_suffix"])
-
-
-def cleanup_server_io():
- """Close and (if io_db["kicked_by_rival"] false) remove files in io_db."""
- def helper(file_key, path_key):
- if file_key in io_db:
- io_db[file_key].close()
- if not io_db["kicked_by_rival"] \
- and os.access(io_db[path_key], os.F_OK):
- os.remove(io_db[path_key])
- helper("file_in", "path_in")
- helper("file_out", "path_out")
- helper("file_worldstate", "path_worldstate")
- if "file_record" in io_db:
- io_db["file_record"].close()
-
-
-def obey(command, prefix, replay=False, do_record=False):
- """Call function from commands_db mapped to command's first token.
-
- Tokenize command string with shlex.split(comments=True). If replay is set,
- a non-meta command from the commands_db merely triggers obey() on the next
- command from the records file. If not, non-meta commands set
- io_db["worldstate_updateable"] to world_db["WORLD_EXISTS"], and, if
- do_record is set, are recorded to io_db["record_chunk"], and save_world()
- is called (and io_db["record_chunk"] written) if 15 seconds have passed
- since the last time it was called. The prefix string is inserted into the
- server's input message between its beginning 'input ' and ':'. All activity
- is preceded by a server_test() call.
- """
- server_test()
- if io_db["verbose"]:
- print("input " + prefix + ": " + command)
- try:
- tokens = shlex.split(command, comments=True)
- except ValueError as err:
- print("Can't tokenize command string: " + str(err) + ".")
- return
- if len(tokens) > 0 and tokens[0] in commands_db \
- and len(tokens) == commands_db[tokens[0]][0] + 1:
- if commands_db[tokens[0]][1]:
- commands_db[tokens[0]][2](*tokens[1:])
- elif replay:
- print("Due to replay mode, reading command as 'go on in record'.")
- line = io_db["file_record"].readline()
- if len(line) > 0:
- obey(line.rstrip(), io_db["file_record"].prefix
- + str(io_db["file_record"].line_n))
- io_db["file_record"].line_n = io_db["file_record"].line_n + 1
- else:
- print("Reached end of record file.")
- else:
- commands_db[tokens[0]][2](*tokens[1:])
- if do_record:
- io_db["record_chunk"] += command + "\n"
- if time.time() > io_db["save_wait"] + 15:
- atomic_write(io_db["path_record"], io_db["record_chunk"],
- do_append=True)
- save_world()
- io_db["record_chunk"] = ""
- io_db["save_wait"] = time.time()
- io_db["worldstate_updateable"] = world_db["WORLD_ACTIVE"]
- elif 0 != len(tokens):
- print("Invalid command/argument, or bad number of tokens.")
-
-
-def atomic_write(path, text, do_append=False, delete=True):
- """Atomic write of text to file at path, appended if do_append is set."""
- path_tmp = path + io_db["tmp_suffix"]
- mode = "w"
- if do_append:
- mode = "a"
- if os.access(path, os.F_OK):
- shutil.copyfile(path, path_tmp)
- file = open(path_tmp, mode)
- strong_write(file, text)
- file.close()
- if delete and os.access(path, os.F_OK):
- os.remove(path)
- os.rename(path_tmp, path)
-
-
-def save_world():
- """Save all commands needed to reconstruct current world state."""
-
- def quote(string):
- string = string.replace("\u005C", '\u005C\u005C')
- return '"' + string.replace('"', '\u005C"') + '"'
-
- def mapsetter(key):
- def helper(id):
- string = ""
- if world_db["Things"][id][key]:
- map = world_db["Things"][id][key]
- length = world_db["MAP_LENGTH"]
- for i in range(length):
- line = map[i * length:(i * length) + length].decode()
- string = string + key + " " + str(i) + " " + quote(line) \
- + "\n"
- return string
- return helper
-
- def memthing(id):
- string = ""
- for memthing in world_db["Things"][id]["T_MEMTHING"]:
- string = string + "T_MEMTHING " + str(memthing[0]) + " " + \
- str(memthing[1]) + " " + str(memthing[2]) + "\n"
- return string
-
- def helper(category, id_string, special_keys={}):
- string = ""
- for id in world_db[category]:
- string = string + id_string + " " + str(id) + "\n"
- for key in world_db[category][id]:
- if not key in special_keys:
- x = world_db[category][id][key]
- argument = quote(x) if str == type(x) else str(x)
- string = string + key + " " + argument + "\n"
- elif special_keys[key]:
- string = string + special_keys[key](id)
- return string
-
- string = ""
- for key in world_db:
- if dict != type(world_db[key]) and key != "MAP" and \
- key != "WORLD_ACTIVE" and key != "SEED_MAP":
- string = string + key + " " + str(world_db[key]) + "\n"
- string = string + "SEED_MAP " + str(world_db["SEED_MAP"]) + "\n"
- string = string + helper("ThingActions", "TA_ID")
- string = string + helper("ThingTypes", "TT_ID", {"TT_CORPSE_ID": False})
- for id in world_db["ThingTypes"]:
- string = string + "TT_ID " + str(id) + "\n" + "TT_CORPSE_ID " + \
- str(world_db["ThingTypes"][id]["TT_CORPSE_ID"]) + "\n"
- string = string + helper("Things", "T_ID",
- {"T_CARRIES": False, "carried": False,
- "T_MEMMAP": mapsetter("T_MEMMAP"),
- "T_MEMTHING": memthing, "fovmap": False,
- "T_MEMDEPTHMAP": mapsetter("T_MEMDEPTHMAP")})
- for id in world_db["Things"]:
- if [] != world_db["Things"][id]["T_CARRIES"]:
- string = string + "T_ID " + str(id) + "\n"
- for carried_id in world_db["Things"][id]["T_CARRIES"]:
- string = string + "T_CARRIES " + str(carried_id) + "\n"
- string = string + "SEED_RANDOMNESS " + str(rand.seed) + "\n" + \
- "WORLD_ACTIVE " + str(world_db["WORLD_ACTIVE"])
- atomic_write(io_db["path_save"], string)
-
-
-def obey_lines_in_file(path, name, do_record=False):
- """Call obey() on each line of path's file, use name in input prefix."""
- file = open(path, "r")
- line_n = 1
- for line in file.readlines():
- obey(line.rstrip(), name + "file line " + str(line_n),
- do_record=do_record)
- line_n = line_n + 1
- file.close()
-
-
-def parse_command_line_arguments():
- """Return settings values read from command line arguments."""
- parser = argparse.ArgumentParser()
- parser.add_argument('-s', nargs='?', type=int, dest='replay', const=1,
- action='store')
- parser.add_argument('-l', nargs="?", const="save", dest='savefile',
- action="store")
- parser.add_argument('-v', dest='verbose', action='store_true')
- opts, unknown = parser.parse_known_args()
- return opts
-
-
-def server_test():
- """Ensure valid server out file belonging to current process.
-
- This is done by comparing io_db["teststring"] to what's found at the start
- of the current file at io_db["path_out"]. On failure, set
- io_db["kicked_by_rival"] and raise SystemExit.
- """
- if not os.access(io_db["path_out"], os.F_OK):
- raise SystemExit("Server output file has disappeared.")
- file = open(io_db["path_out"], "r")
- test = file.readline().rstrip("\n")
- file.close()
- if test != io_db["teststring"]:
- io_db["kicked_by_rival"] = True
- msg = "Server test string in server output file does not match. This" \
- " indicates that the current server process has been " \
- "superseded by another one."
- raise SystemExit(msg)
-
-
-def read_command():
- """Return next newline-delimited command from server in file.
-
- Keep building return string until a newline is encountered. Pause between
- unsuccessful reads, and after too much waiting, run server_test().
- """
- wait_on_fail = 0.03333
- max_wait = 5
- now = time.time()
- command = ""
- while True:
- add = io_db["file_in"].readline()
- if len(add) > 0:
- command = command + add
- if len(command) > 0 and "\n" == command[-1]:
- command = command[:-1]
- break
- else:
- time.sleep(wait_on_fail)
- if now + max_wait < time.time():
- server_test()
- now = time.time()
- return command
-
-
-def try_worldstate_update():
- """Write worldstate file if io_db["worldstate_updateable"] is set."""
- if io_db["worldstate_updateable"]:
-
- def draw_visible_Things(map, run):
- for id in world_db["Things"]:
- type = world_db["Things"][id]["T_TYPE"]
- consumable = world_db["ThingTypes"][type]["TT_CONSUMABLE"]
- alive = world_db["ThingTypes"][type]["TT_LIFEPOINTS"]
- if (0 == run and not consumable and not alive) \
- or (1 == run and consumable and not alive) \
- or (2 == run and alive):
- y = world_db["Things"][id]["T_POSY"]
- x = world_db["Things"][id]["T_POSX"]
- fovflag = world_db["Things"][0]["fovmap"][(y * length) + x]
- if 'v' == chr(fovflag):
- c = world_db["ThingTypes"][type]["TT_SYMBOL"]
- map[(y * length) + x] = ord(c)
-
- def write_map(string, map):
- for i in range(length):
- line = map[i * length:(i * length) + length].decode()
- string = string + line + "\n"
- return string
-
- inventory = ""
- if [] == world_db["Things"][0]["T_CARRIES"]:
- inventory = "(none)\n"
- else:
- for id in world_db["Things"][0]["T_CARRIES"]:
- type_id = world_db["Things"][id]["T_TYPE"]
- name = world_db["ThingTypes"][type_id]["TT_NAME"]
- inventory = inventory + name + "\n"
- string = str(world_db["TURN"]) + "\n" + \
- str(world_db["Things"][0]["T_LIFEPOINTS"]) + "\n" + \
- str(world_db["Things"][0]["T_SATIATION"]) + "\n" + \
- inventory + "%\n" + \
- str(world_db["Things"][0]["T_POSY"]) + "\n" + \
- str(world_db["Things"][0]["T_POSX"]) + "\n" + \
- str(world_db["MAP_LENGTH"]) + "\n"
- length = world_db["MAP_LENGTH"]
- fov = bytearray(b' ' * (length ** 2))
- for pos in range(length ** 2):
- if 'v' == chr(world_db["Things"][0]["fovmap"][pos]):
- fov[pos] = world_db["MAP"][pos]
- for i in range(3):
- draw_visible_Things(fov, i)
- string = write_map(string, fov)
- mem = world_db["Things"][0]["T_MEMMAP"][:]
- for i in range(2):
- for mt in world_db["Things"][0]["T_MEMTHING"]:
- consumable = world_db["ThingTypes"][mt[0]]["TT_CONSUMABLE"]
- if (i == 0 and not consumable) or (i == 1 and consumable):
- c = world_db["ThingTypes"][mt[0]]["TT_SYMBOL"]
- mem[(mt[1] * length) + mt[2]] = ord(c)
- string = write_map(string, mem)
- atomic_write(io_db["path_worldstate"], string, delete=False)
- strong_write(io_db["file_out"], "WORLD_UPDATED\n")
- io_db["worldstate_updateable"] = False
-
-
-def replay_game():
- """Replay game from record file.
-
- Use opts.replay as breakpoint turn to which to replay automatically before
- switching to manual input by non-meta commands in server input file
- triggering further reads of record file. Ensure opts.replay is at least 1.
- Run try_worldstate_update() before each interactive obey()/read_command().
- """
- if opts.replay < 1:
- opts.replay = 1
- print("Replay mode. Auto-replaying up to turn " + str(opts.replay) +
- " (if so late a turn is to be found).")
- if not os.access(io_db["path_record"], os.F_OK):
- raise SystemExit("No record file found to replay.")
- io_db["file_record"] = open(io_db["path_record"], "r")
- io_db["file_record"].prefix = "record file line "
- io_db["file_record"].line_n = 1
- while world_db["TURN"] < opts.replay:
- line = io_db["file_record"].readline()
- if "" == line:
- break
- obey(line.rstrip(), io_db["file_record"].prefix
- + str(io_db["file_record"].line_n))
- io_db["file_record"].line_n = io_db["file_record"].line_n + 1
- while True:
- try_worldstate_update()
- obey(read_command(), "in file", replay=True)
-
-
-def play_game():
- """Play game by server input file commands. Before, load save file found.
-
- If no save file is found, a new world is generated from the commands in the
- world config plus a 'MAKE WORLD [current Unix timestamp]'. Record this
- command and all that follow via the server input file. Run
- try_worldstate_update() before each interactive obey()/read_command().
- """
- if os.access(io_db["path_save"], os.F_OK):
- obey_lines_in_file(io_db["path_save"], "save")
- else:
- if not os.access(io_db["path_worldconf"], os.F_OK):
- msg = "No world config file from which to start a new world."
- raise SystemExit(msg)
- obey_lines_in_file(io_db["path_worldconf"], "world config ",
- do_record=True)
- obey("MAKE_WORLD " + str(int(time.time())), "in file", do_record=True)
- while True:
- try_worldstate_update()
- obey(read_command(), "in file", do_record=True)
-
-
-def remake_map():
- """(Re-)make island map.
-
- Let "~" represent water, "." land, "X" trees: Build island shape randomly,
- start with one land cell in the middle, then go into cycle of repeatedly
- selecting a random sea cell and transforming it into land if it is neighbor
- to land. The cycle ends when a land cell is due to be created at the map's
- border. Then put some trees on the map (TODO: more precise algorithm desc).
- """
- def is_neighbor(coordinates, type):
- y = coordinates[0]
- x = coordinates[1]
- length = world_db["MAP_LENGTH"]
- ind = y % 2
- diag_west = x + (ind > 0)
- diag_east = x + (ind < (length - 1))
- pos = (y * length) + x
- if (y > 0 and diag_east
- and type == chr(world_db["MAP"][pos - length + ind])) \
- or (x < (length - 1)
- and type == chr(world_db["MAP"][pos + 1])) \
- or (y < (length - 1) and diag_east
- and type == chr(world_db["MAP"][pos + length + ind])) \
- or (y > 0 and diag_west
- and type == chr(world_db["MAP"][pos - length - (not ind)])) \
- or (x > 0
- and type == chr(world_db["MAP"][pos - 1])) \
- or (y < (length - 1) and diag_west
- and type == chr(world_db["MAP"][pos + length - (not ind)])):
- return True
- return False
- store_seed = rand.seed
- rand.seed = world_db["SEED_MAP"]
- world_db["MAP"] = bytearray(b'~' * (world_db["MAP_LENGTH"] ** 2))
- length = world_db["MAP_LENGTH"]
- add_half_width = (not (length % 2)) * int(length / 2)
- world_db["MAP"][int((length ** 2) / 2) + add_half_width] = ord(".")
- while (1):
- y = rand.next() % length
- x = rand.next() % length
- pos = (y * length) + x
- if "~" == chr(world_db["MAP"][pos]) and is_neighbor((y, x), "."):
- if y == 0 or y == (length - 1) or x == 0 or x == (length - 1):
- break
- world_db["MAP"][pos] = ord(".")
- n_trees = int((length ** 2) / 16)
- i_trees = 0
- while (i_trees <= n_trees):
- single_allowed = rand.next() % 32
- y = rand.next() % length
- x = rand.next() % length
- pos = (y * length) + x
- if "." == chr(world_db["MAP"][pos]) \
- and ((not single_allowed) or is_neighbor((y, x), "X")):
- world_db["MAP"][pos] = ord("X")
- i_trees += 1
- rand.seed = store_seed
- # This all-too-precise replica of the original C code misses iter_limit().
-
-
-def update_map_memory(t, age_map=True):
- """Update t's T_MEMMAP with what's in its FOV now,age its T_MEMMEPTHMAP."""
- if not t["T_MEMMAP"]:
- t["T_MEMMAP"] = bytearray(b' ' * (world_db["MAP_LENGTH"] ** 2))
- if not t["T_MEMDEPTHMAP"]:
- t["T_MEMDEPTHMAP"] = bytearray(b' ' * (world_db["MAP_LENGTH"] ** 2))
- ord_v = ord("v")
- ord_0 = ord("0")
- ord_space = ord(" ")
- for pos in [pos for pos in range(world_db["MAP_LENGTH"] ** 2)
- if ord_v == t["fovmap"][pos]]:
- t["T_MEMDEPTHMAP"][pos] = ord_0
- if ord_space == t["T_MEMMAP"][pos]:
- t["T_MEMMAP"][pos] = world_db["MAP"][pos]
- if age_map:
- maptype = ctypes.c_char * len(t["T_MEMDEPTHMAP"])
- memdepthmap = maptype.from_buffer(t["T_MEMDEPTHMAP"])
- fovmap = maptype.from_buffer(t["fovmap"])
- libpr.age_some_memdepthmap_on_nonfov_cells(memdepthmap, fovmap)
- for mt in [mt for mt in t["T_MEMTHING"]
- if "v" == chr(t["fovmap"][(mt[1] * world_db["MAP_LENGTH"])
- + mt[2]])]:
- t["T_MEMTHING"].remove(mt)
- for id in [id for id in world_db["Things"]
- if not world_db["Things"][id]["carried"]]:
- type = world_db["Things"][id]["T_TYPE"]
- if not world_db["ThingTypes"][type]["TT_LIFEPOINTS"]:
- y = world_db["Things"][id]["T_POSY"]
- x = world_db["Things"][id]["T_POSX"]
- if "v" == chr(t["fovmap"][(y * world_db["MAP_LENGTH"]) + x]):
- t["T_MEMTHING"].append((type, y, x))
-
-
-def set_world_inactive():
- """Set world_db["WORLD_ACTIVE"] to 0 and remove worldstate file."""
- server_test()
- if os.access(io_db["path_worldstate"], os.F_OK):
- os.remove(io_db["path_worldstate"])
- world_db["WORLD_ACTIVE"] = 0
-
-
-def integer_test(val_string, min, max=None):
- """Return val_string if possible integer >= min and <= max, else None."""
- try:
- val = int(val_string)
- if val < min or (max != None and val > max):
- raise ValueError
- return val
- except ValueError:
- msg = "Ignoring: Please use integer >= " + str(min)
- if max != None:
- msg += " and <= " + str(max)
- msg += "."
- print(msg)
- return None
-
-
-def setter(category, key, min, max=None):
- """Build setter for world_db([category + "s"][id])[key] to >=min/<=max."""
- if category is None:
- def f(val_string):
- val = integer_test(val_string, min, max)
- if None != val:
- world_db[key] = val
- else:
- if category == "Thing":
- id_store = command_tid
- decorator = test_Thing_id
- elif category == "ThingType":
- id_store = command_ttid
- decorator = test_ThingType_id
- elif category == "ThingAction":
- id_store = command_taid
- decorator = test_ThingAction_id
-
- @decorator
- def f(val_string):
- val = integer_test(val_string, min, max)
- if None != val:
- world_db[category + "s"][id_store.id][key] = val
- return f
-
-
-def build_fov_map(t):
- """Build Thing's FOV map."""
- t["fovmap"] = bytearray(b'v' * (world_db["MAP_LENGTH"] ** 2))
- maptype = ctypes.c_char * len(world_db["MAP"])
- test = libpr.build_fov_map(t["T_POSY"], t["T_POSX"],
- maptype.from_buffer(t["fovmap"]),
- maptype.from_buffer(world_db["MAP"]))
- if test:
- raise RuntimeError("Malloc error in build_fov_Map().")
-
-
-def decrement_lifepoints(t):
- """Decrement t's lifepoints by 1, and if to zero, corpse it.
-
- If t is the player avatar, only blank its fovmap, so that the client may
- still display memory data. On non-player things, erase fovmap and memory.
- """
- t["T_LIFEPOINTS"] -= 1
- if 0 == t["T_LIFEPOINTS"]:
- t["T_TYPE"] = world_db["ThingTypes"][t["T_TYPE"]]["TT_CORPSE_ID"]
- if world_db["Things"][0] == t:
- t["fovmap"] = bytearray(b' ' * (world_db["MAP_LENGTH"] ** 2))
- strong_write(io_db["file_out"], "LOG You die.\n")
- else:
- t["fovmap"] = False
- t["T_MEMMAP"] = False
- t["T_MEMDEPTHMAP"] = False
- t["T_MEMTHING"] = []
- strong_write(io_db["file_out"], "LOG It dies.\n")
-
-
-def mv_yx_in_dir_legal(dir, y, x):
- """Wrapper around libpr.mv_yx_in_dir_legal to simplify its use."""
- dir_c = dir.encode("ascii")[0]
- test = libpr.mv_yx_in_dir_legal_wrap(dir_c, y, x)
- if -1 == test:
- raise RuntimeError("Too much wrapping in mv_yx_in_dir_legal_wrap()!")
- return (test, libpr.result_y(), libpr.result_x())
-
-
-def actor_wait(t):
- """Make t do nothing (but loudly, if player avatar)."""
- if t == world_db["Things"][0]:
- strong_write(io_db["file_out"], "LOG You wait.\n")
-
-
-def actor_move(t):
- """If passable, move/collide(=attack) thing into T_ARGUMENT's direction."""
- passable = False
- move_result = mv_yx_in_dir_legal(chr(t["T_ARGUMENT"]),
- t["T_POSY"], t["T_POSX"])
- if 1 == move_result[0]:
- pos = (move_result[1] * world_db["MAP_LENGTH"]) + move_result[2]
- passable = "." == chr(world_db["MAP"][pos])
- hitted = [id for id in world_db["Things"]
- if world_db["Things"][id] != t
- if world_db["Things"][id]["T_LIFEPOINTS"]
- if world_db["Things"][id]["T_POSY"] == move_result[1]
- if world_db["Things"][id]["T_POSX"] == move_result[2]]
- if len(hitted):
- hit_id = hitted[0]
- hitter_name = world_db["ThingTypes"][t["T_TYPE"]]["TT_NAME"]
- hitter = "You" if t == world_db["Things"][0] else hitter_name
- hitted_type = world_db["Things"][hit_id]["T_TYPE"]
- hitted_name = world_db["ThingTypes"][hitted_type]["TT_NAME"]
- hitted = "you" if hit_id == 0 else hitted_name
- verb = " wound " if hitter == "You" else " wounds "
- strong_write(io_db["file_out"], "LOG " + hitter + verb + hitted +
- ".\n")
- decrement_lifepoints(world_db["Things"][hit_id])
- return
- dir = [dir for dir in directions_db
- if directions_db[dir] == chr(t["T_ARGUMENT"])][0]
- if passable:
- t["T_POSY"] = move_result[1]
- t["T_POSX"] = move_result[2]
- for id in t["T_CARRIES"]:
- world_db["Things"][id]["T_POSY"] = move_result[1]
- world_db["Things"][id]["T_POSX"] = move_result[2]
- build_fov_map(t)
- if t == world_db["Things"][0]:
- strong_write(io_db["file_out"], "LOG You move " + dir + ".\n")
- elif t == world_db["Things"][0]:
- strong_write(io_db["file_out"], "LOG You fail to move " + dir + ".\n")
-
-
-def actor_pick_up(t):
- """Make t pick up (topmost?) Thing from ground into inventory."""
- # Topmostness is actually not defined so far. Picks Thing with highest ID.
- ids = [id for id in world_db["Things"] if world_db["Things"][id] != t
- if not world_db["Things"][id]["carried"]
- if world_db["Things"][id]["T_POSY"] == t["T_POSY"]
- if world_db["Things"][id]["T_POSX"] == t["T_POSX"]]
- if len(ids):
- highest_id = 0
- for id in ids:
- if id > highest_id:
- highest_id = id
- world_db["Things"][highest_id]["carried"] = True
- t["T_CARRIES"].append(highest_id)
- if t == world_db["Things"][0]:
- strong_write(io_db["file_out"], "LOG You pick up an object.\n")
- elif t == world_db["Things"][0]:
- err = "You try to pick up an object, but there is none."
- strong_write(io_db["file_out"], "LOG " + err + "\n")
-
-
-def actor_drop(t):
- """Make t rop Thing from inventory to ground indexed by T_ARGUMENT."""
- # TODO: Handle case where T_ARGUMENT matches nothing.
- if len(t["T_CARRIES"]):
- id = t["T_CARRIES"][t["T_ARGUMENT"]]
- t["T_CARRIES"].remove(id)
- world_db["Things"][id]["carried"] = False
- if t == world_db["Things"][0]:
- strong_write(io_db["file_out"], "LOG You drop an object.\n")
- elif t == world_db["Things"][0]:
- err = "You try to drop an object, but you own none."
- strong_write(io_db["file_out"], "LOG " + err + "\n")
-
-
-def actor_use(t):
- """Make t use (for now: consume) T_ARGUMENT-indexed Thing in inventory."""
- # TODO: Handle case where T_ARGUMENT matches nothing.
- if len(t["T_CARRIES"]):
- id = t["T_CARRIES"][t["T_ARGUMENT"]]
- type = world_db["Things"][id]["T_TYPE"]
- if world_db["ThingTypes"][type]["TT_CONSUMABLE"]:
- t["T_CARRIES"].remove(id)
- del world_db["Things"][id]
- t["T_SATIATION"] += world_db["ThingTypes"][type]["TT_CONSUMABLE"]
- if t == world_db["Things"][0]:
- strong_write(io_db["file_out"],
- "LOG You consume this object.\n")
- elif t == world_db["Things"][0]:
- strong_write(io_db["file_out"],
- "LOG You try to use this object, but fail.\n")
- elif t == world_db["Things"][0]:
- strong_write(io_db["file_out"],
- "LOG You try to use an object, but you own none.\n")
-
-
-def thingproliferation(t):
- """To chance of 1/TT_PROLIFERATE, create t offspring in neighbor cell.
-
- Naturally only works with TT_PROLIFERATE > 0. The neighbor cell must be
- passable and not be inhabited by a Thing of the same type, or, if Thing is
- animate, any other animate Thing. If there are several map cell candidates,
- one is selected randomly.
- """
- def test_cell(t, y, x):
- if "." == chr(world_db["MAP"][(y * world_db["MAP_LENGTH"]) + x]):
- for id in [id for id in world_db["Things"]
- if y == world_db["Things"][id]["T_POSY"]
- if x == world_db["Things"][id]["T_POSX"]
- if (t["T_TYPE"] == world_db["Things"][id]["T_TYPE"])
- or (t["T_LIFEPOINTS"] and
- world_db["Things"][id]["T_LIFEPOINTS"])]:
- return False
- return True
- return False
- prolscore = world_db["ThingTypes"][t["T_TYPE"]]["TT_PROLIFERATE"]
- if prolscore and (1 == prolscore or 1 == (rand.next() % prolscore)):
- candidates = []
- for dir in [directions_db[key] for key in directions_db]:
- mv_result = mv_yx_in_dir_legal(dir, t["T_POSY"], t["T_POSX"])
- if mv_result[0] and test_cell(t, mv_result[1], mv_result[2]):
- candidates.append((mv_result[1], mv_result[2]))
- if len(candidates):
- i = rand.next() % len(candidates)
- id = id_setter(-1, "Things")
- newT = new_Thing(t["T_TYPE"], (candidates[i][0], candidates[i][1]))
- world_db["Things"][id] = newT
-
-
-def try_healing(t):
- """Grow t's HP to a 1/32 chance if < HP max, satiation > 0, and waiting.
-
- On success, decrease satiation score by 32.
- """
- if t["T_SATIATION"] > 0 \
- and t["T_LIFEPOINTS"] < \
- world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"] \
- and 0 == (rand.next() % 31) \
- and t["T_COMMAND"] == [id for id in world_db["ThingActions"]
- if world_db["ThingActions"][id]["TA_NAME"] ==
- "wait"][0]:
- t["T_LIFEPOINTS"] += 1
- t["T_SATIATION"] -= 32
- if t == world_db["Things"][0]:
- strong_write(io_db["file_out"], "LOG You heal.\n")
- else:
- name = world_db["ThingTypes"][t["T_TYPE"]]["TT_NAME"]
- strong_write(io_db["file_out"], "LOG " + name + "heals.\n")
-
-
-def hunger(t):
- """Decrement t's satiation,dependent on it trigger lifepoint dec chance."""
- if t["T_SATIATION"] > -32768:
- t["T_SATIATION"] -= 1
- testbase = t["T_SATIATION"] if t["T_SATIATION"] >= 0 else -t["T_SATIATION"]
- if not world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"]:
- raise RuntimeError("A thing that should not hunger is hungering.")
- stomach = int(32767 / world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"])
- if int(int(testbase / stomach) / ((rand.next() % stomach) + 1)):
- if t == world_db["Things"][0]:
- strong_write(io_db["file_out"], "LOG You suffer from hunger.\n")
- else:
- name = world_db["ThingTypes"][t["T_TYPE"]]["TT_NAME"]
- strong_write(io_db["file_out"], "LOG " + name +
- " suffers from hunger.\n")
- decrement_lifepoints(t)
-
-
-def get_dir_to_target(t, filter):
- """Try to set T_COMMAND/T_ARGUMENT for move to "filter"-determined target.
-
- The path-wise nearest target is chosen, via the shortest available path.
- Target must not be t. On succcess, return positive value, else False.
- Filters:
- "a": Thing in FOV is below a certain distance, animate, but of ThingType
- that is not t's, and starts out weaker than t is; build path as
- avoiding things of t's ThingType
- "f": neighbor cell (not inhabited by any animate Thing) further away from
- animate Thing not further than x steps away and in FOV and of a
- ThingType that is not t's, and starts out stronger or as strong as t
- is currently; or (cornered), if no such flight cell, but Thing of
- above criteria is too near,1 a cell closer to it, or, if less near,
- just wait
- "c": Thing in memorized map is consumable
- "s": memory map cell with greatest-reachable degree of unexploredness
- """
-
- def zero_score_map_where_char_on_memdepthmap(c):
- maptype = ctypes.c_char * len(t["T_MEMDEPTHMAP"])
- map = maptype.from_buffer(t["T_MEMDEPTHMAP"])
- test = libpr.zero_score_map_where_char_on_memdepthmap(c, map)
- if test:
- raise RuntimeError("No score map allocated for "
- "zero_score_map_where_char_on_memdepthmap().")
-
- def set_map_score(pos, score):
- test = libpr.set_map_score(pos, score)
- if test:
- raise RuntimeError("No score map allocated for set_map_score().")
-
- def get_map_score(pos):
- result = libpr.get_map_score(pos)
- if result < 0:
- raise RuntimeError("No score map allocated for get_map_score().")
- return result
-
- def seeing_thing():
- if t["fovmap"] and ("a" == filter or "f" == filter):
- for id in world_db["Things"]:
- Thing = world_db["Things"][id]
- if Thing != t and Thing["T_LIFEPOINTS"] and \
- t["T_TYPE"] != Thing["T_TYPE"] and \
- 'v' == chr(t["fovmap"][(Thing["T_POSY"]
- * world_db["MAP_LENGTH"])
- + Thing["T_POSX"]]):
- ThingType = world_db["ThingTypes"][Thing["T_TYPE"]]
- if ("f" == filter and ThingType["TT_LIFEPOINTS"] >=
- t["T_LIFEPOINTS"]) \
- or ("a" == filter and ThingType["TT_LIFEPOINTS"] <
- t["T_LIFEPOINTS"]):
- return True
- elif t["T_MEMMAP"] and "c" == filter:
- for mt in t["T_MEMTHING"]:
- if ' ' != chr(t["T_MEMMAP"][(mt[1] * world_db["MAP_LENGTH"])
- + mt[2]]) \
- and world_db["ThingTypes"][mt[0]]["TT_CONSUMABLE"]:
- return True
- return False
-
- def init_score_map():
- test = libpr.init_score_map()
- if test:
- raise RuntimeError("Malloc error in init_score_map().")
- ord_dot = ord(".")
- ord_v = ord("v")
- ord_blank = ord(" ")
- for i in [i for i in range(world_db["MAP_LENGTH"] ** 2)
- if ord_dot == t["T_MEMMAP"][i]]:
- set_map_score(i, 65535 - 1)
- if "a" == filter:
- for id in world_db["Things"]:
- Thing = world_db["Things"][id]
- pos = Thing["T_POSY"] * world_db["MAP_LENGTH"] \
- + Thing["T_POSX"]
- if t != Thing and Thing["T_LIFEPOINTS"] and \
- t["T_TYPE"] != Thing["T_TYPE"] and \
- ord_v == t["fovmap"][pos] and \
- t["T_LIFEPOINTS"] > \
- world_db["ThingTypes"][Thing["T_TYPE"]]["TT_LIFEPOINTS"]:
- set_map_score(pos, 0)
- elif t["T_TYPE"] == Thing["T_TYPE"]:
- set_map_score(pos, 65535)
- elif "f" == filter:
- for id in [id for id in world_db["Things"]
- if world_db["Things"][id]["T_LIFEPOINTS"]]:
- Thing = world_db["Things"][id]
- pos = Thing["T_POSY"] * world_db["MAP_LENGTH"] \
- + Thing["T_POSX"]
- if t["T_TYPE"] != Thing["T_TYPE"] and \
- ord_v == t["fovmap"][pos] and \
- t["T_LIFEPOINTS"] <= \
- world_db["ThingTypes"][Thing["T_TYPE"]]["TT_LIFEPOINTS"]:
- set_map_score(pos, 0)
- elif "c" == filter:
- for mt in [mt for mt in t["T_MEMTHING"]
- if ord_blank != t["T_MEMMAP"][mt[1]
- * world_db["MAP_LENGTH"]
- + mt[2]]
- if world_db["ThingTypes"][mt[0]]["TT_CONSUMABLE"]]:
- set_map_score(mt[1] * world_db["MAP_LENGTH"] + mt[2], 0)
- elif "s" == filter:
- zero_score_map_where_char_on_memdepthmap(mem_depth_c[0])
-
- def rand_target_dir(neighbors, cmp, dirs):
- candidates = []
- n_candidates = 0
- for i in range(len(dirs)):
- if cmp == neighbors[i]:
- candidates.append(dirs[i])
- n_candidates += 1
- return candidates[rand.next() % n_candidates] if n_candidates else 0
-
- def get_neighbor_scores(dirs, eye_pos):
- scores = []
- if libpr.ready_neighbor_scores(eye_pos):
- raise RuntimeError("No score map allocated for " +
- "ready_neighbor_scores.()")
- for i in range(len(dirs)):
- scores.append(libpr.get_neighbor_score(i))
- return scores
-
- def get_dir_from_neighbors():
- dir_to_target = False
- dirs = "edcxsw"
- eye_pos = t["T_POSY"] * world_db["MAP_LENGTH"] + t["T_POSX"]
- neighbors = get_neighbor_scores(dirs, eye_pos)
- if "f" == filter:
- inhabited = [world_db["Things"][id]["T_POSY"]
- * world_db["MAP_LENGTH"]
- + world_db["Things"][id]["T_POSX"]
- for id in world_db["Things"]
- if world_db["Things"][id]["T_LIFEPOINTS"]]
- for i in range(len(dirs)):
- mv_yx_in_dir_legal(dirs[i], t["T_POSY"], t["T_POSX"])
- pos_cmp = libpr.result_y() * world_db["MAP_LENGTH"] \
- + libpr.result_x()
- for pos in [pos for pos in inhabited if pos == pos_cmp]:
- neighbors[i] = 65535
- break
- minmax_start = 0 if "f" == filter else 65535 - 1
- minmax_neighbor = minmax_start
- for i in range(len(dirs)):
- if ("f" == filter and get_map_score(eye_pos) < neighbors[i] and
- minmax_neighbor < neighbors[i] and 65535 != neighbors[i]) \
- or ("f" != filter and minmax_neighbor > neighbors[i]):
- minmax_neighbor = neighbors[i]
- if minmax_neighbor != minmax_start:
- dir_to_target = rand_target_dir(neighbors, minmax_neighbor, dirs)
- if "f" == filter:
- if not dir_to_target:
- if 1 == get_map_score(eye_pos):
- dir_to_target = rand_target_dir(neighbors, 0, dirs)
- elif 3 >= get_map_score(eye_pos):
- t["T_COMMAND"] = [id for id in world_db["ThingActions"]
- if
- world_db["ThingActions"][id]["TA_NAME"]
- == "wait"][0]
- return 1
- elif dir_to_target and 3 < get_map_score(eye_pos):
- dir_to_target = 0
- elif "a" == filter and 10 <= get_map_score(eye_pos):
- dir_to_target = 0
- return dir_to_target
-
- dir_to_target = False
- mem_depth_c = b' '
- run_i = 9 + 1 if "s" == filter else 1
- while run_i and not dir_to_target and ("s" == filter or seeing_thing()):
- run_i -= 1
- init_score_map()
- mem_depth_c = b'9' if b' ' == mem_depth_c \
- else bytes([mem_depth_c[0] - 1])
- if libpr.dijkstra_map():
- raise RuntimeError("No score map allocated for dijkstra_map().")
- dir_to_target = get_dir_from_neighbors()
- libpr.free_score_map()
- if dir_to_target and str == type(dir_to_target):
- t["T_COMMAND"] = [id for id in world_db["ThingActions"]
- if world_db["ThingActions"][id]["TA_NAME"]
- == "move"][0]
- t["T_ARGUMENT"] = ord(dir_to_target)
- return dir_to_target
-
-
-def standing_on_consumable(t):
- """Return True/False whether t is standing on a consumable."""
- for id in [id for id in world_db["Things"] if world_db["Things"][id] != t
- if world_db["Things"][id]["T_POSY"] == t["T_POSY"]
- if world_db["Things"][id]["T_POSX"] == t["T_POSX"]
- if world_db["ThingTypes"][world_db["Things"][id]["T_TYPE"]]
- ["TT_CONSUMABLE"]]:
- return True
- return False
-
-
-def get_inventory_slot_to_consume(t):
- """Return slot Id of strongest consumable in t's inventory, else -1."""
- cmp_consumability = 0
- selection = -1
- i = 0
- for id in t["T_CARRIES"]:
- type = world_db["Things"][id]["T_TYPE"]
- if world_db["ThingTypes"][type]["TT_CONSUMABLE"] > cmp_consumability:
- cmp_consumability = world_db["ThingTypes"][type]["TT_CONSUMABLE"]
- selection = i
- i += 1
- return selection
-
-
-def ai(t):
- """Determine next command/argment for actor t via AI algorithms.
-
- AI will look for, and move towards, enemies (animate Things not of their
- own ThingType); if they see none, they will consume consumables in their
- inventory; if there are none, they will pick up what they stand on if they
- stand on consumables; if they stand on none, they will move towards the
- next consumable they see or remember on the map; if they see or remember
- none, they will explore parts of the map unseen since ever or for at least
- one turn; if there is nothing to explore, they will simply wait.
- """
- t["T_COMMAND"] = [id for id in world_db["ThingActions"]
- if world_db["ThingActions"][id]["TA_NAME"] == "wait"][0]
- if not get_dir_to_target(t, "f"):
- sel = get_inventory_slot_to_consume(t)
- if -1 != sel:
- t["T_COMMAND"] = [id for id in world_db["ThingActions"]
- if world_db["ThingActions"][id]["TA_NAME"]
- == "use"][0]
- t["T_ARGUMENT"] = sel
- elif standing_on_consumable(t):
- t["T_COMMAND"] = [id for id in world_db["ThingActions"]
- if world_db["ThingActions"][id]["TA_NAME"]
- == "pick_up"][0]
- elif (not get_dir_to_target(t, "c")) and \
- (not get_dir_to_target(t, "a")):
- get_dir_to_target(t, "s")
-
-
-def turn_over():
- """Run game world and its inhabitants until new player input expected."""
- id = 0
- whilebreaker = False
- while world_db["Things"][0]["T_LIFEPOINTS"]:
- for id in [id for id in world_db["Things"]]: # Only what's from start!
- if not id in world_db["Things"] or \
- world_db["Things"][id]["carried"]: # May have been consumed or
- continue # picked up during turn …
- Thing = world_db["Things"][id]
- if Thing["T_LIFEPOINTS"]:
- if not Thing["T_COMMAND"]:
- update_map_memory(Thing)
- if 0 == id:
- whilebreaker = True
- break
- ai(Thing)
- try_healing(Thing)
- Thing["T_PROGRESS"] += 1
- taid = [a for a in world_db["ThingActions"]
- if a == Thing["T_COMMAND"]][0]
- ThingAction = world_db["ThingActions"][taid]
- if Thing["T_PROGRESS"] == ThingAction["TA_EFFORT"]:
- eval("actor_" + ThingAction["TA_NAME"])(Thing)
- Thing["T_COMMAND"] = 0
- Thing["T_PROGRESS"] = 0
- hunger(Thing)
- thingproliferation(Thing)
- if whilebreaker:
- break
- world_db["TURN"] += 1
-
-
-def new_Thing(type, pos=(0, 0)):
- """Return Thing of type T_TYPE, with fovmap if alive and world active."""
- thing = {
- "T_LIFEPOINTS": world_db["ThingTypes"][type]["TT_LIFEPOINTS"],
- "T_ARGUMENT": 0,
- "T_PROGRESS": 0,
- "T_SATIATION": 0,
- "T_COMMAND": 0,
- "T_TYPE": type,
- "T_POSY": pos[0],
- "T_POSX": pos[1],
- "T_CARRIES": [],
- "carried": False,
- "T_MEMTHING": [],
- "T_MEMMAP": False,
- "T_MEMDEPTHMAP": False,
- "fovmap": False
- }
- if world_db["WORLD_ACTIVE"] and thing["T_LIFEPOINTS"]:
- build_fov_map(thing)
- return thing
-
-
-def id_setter(id, category, id_store=False, start_at_1=False):
- """Set ID of object of category to manipulate ID unused? Create new one.
-
- The ID is stored as id_store.id (if id_store is set). If the integer of the
- input is valid (if start_at_1, >= 0, else >= -1), but <0 or (if start_at_1)
- <1, calculate new ID: lowest unused ID >=0 or (if start_at_1) >= 1. None is
- always returned when no new object is created, otherwise the new object's
- ID.
- """
- min = 0 if start_at_1 else -1
- if str == type(id):
- id = integer_test(id, min)
- if None != id:
- if id in world_db[category]:
- if id_store:
- id_store.id = id
- return None
- else:
- if (start_at_1 and 0 == id) \
- or ((not start_at_1) and (id < 0)):
- id = 0 if start_at_1 else -1
- while 1:
- id = id + 1
- if id not in world_db[category]:
- break
- if id_store:
- id_store.id = id
- return id
-
-
-def command_ping():
- """Send PONG line to server output file."""
- strong_write(io_db["file_out"], "PONG\n")
-
-
-def command_quit():
- """Abort server process."""
- save_world()
- atomic_write(io_db["path_record"], io_db["record_chunk"], do_append=True)
- raise SystemExit("received QUIT command")
-
-
-def command_thingshere(str_y, str_x):
- """Write to out file list of Things known to player at coordinate y, x."""
- if world_db["WORLD_ACTIVE"]:
- y = integer_test(str_y, 0, 255)
- x = integer_test(str_x, 0, 255)
- length = world_db["MAP_LENGTH"]
- if None != y and None != x and y < length and x < length:
- pos = (y * world_db["MAP_LENGTH"]) + x
- strong_write(io_db["file_out"], "THINGS_HERE START\n")
- if "v" == chr(world_db["Things"][0]["fovmap"][pos]):
- for id in world_db["Things"]:
- if y == world_db["Things"][id]["T_POSY"] \
- and x == world_db["Things"][id]["T_POSX"] \
- and not world_db["Things"][id]["carried"]:
- type = world_db["Things"][id]["T_TYPE"]
- name = world_db["ThingTypes"][type]["TT_NAME"]
- strong_write(io_db["file_out"], name + "\n")
- else:
- for mt in world_db["Things"][0]["T_MEMTHING"]:
- if y == mt[1] and x == mt[2]:
- name = world_db["ThingTypes"][mt[0]]["TT_NAME"]
- strong_write(io_db["file_out"], name + "\n")
- strong_write(io_db["file_out"], "THINGS_HERE END\n")
- else:
- print("Ignoring: Invalid map coordinates.")
- else:
- print("Ignoring: Command only works on existing worlds.")
-
-
-def play_commander(action, args=False):
- """Setter for player's T_COMMAND and T_ARGUMENT, then calling turn_over().
-
- T_ARGUMENT is set to direction char if action=="wait",or 8-bit int if args.
- """
-
- def set_command():
- id = [x for x in world_db["ThingActions"]
- if world_db["ThingActions"][x]["TA_NAME"] == action][0]
- world_db["Things"][0]["T_COMMAND"] = id
- turn_over()
-
- def set_command_and_argument_int(str_arg):
- val = integer_test(str_arg, 0, 255)
- if None != val:
- world_db["Things"][0]["T_ARGUMENT"] = val
- set_command()
-
- def set_command_and_argument_movestring(str_arg):
- if str_arg in directions_db:
- world_db["Things"][0]["T_ARGUMENT"] = ord(directions_db[str_arg])
- set_command()
- else:
- print("Ignoring: Argument must be valid direction string.")
-
- if action == "move":
- return set_command_and_argument_movestring
- elif args:
- return set_command_and_argument_int
- else:
- return set_command
-
-
-def command_seedrandomness(seed_string):
- """Set rand seed to int(seed_string)."""
- val = integer_test(seed_string, 0, 4294967295)
- if None != val:
- rand.seed = val
-
-
-def command_seedmap(seed_string):
- """Set world_db["SEED_MAP"] to int(seed_string), then (re-)make map."""
- setter(None, "SEED_MAP", 0, 4294967295)(seed_string)
- remake_map()
-
-
-def command_makeworld(seed_string):
- """(Re-)build game world, i.e. map, things, to a new turn 1 from seed.
-
- Seed rand with seed, fill it into world_db["SEED_MAP"]. Do more only with a
- "wait" ThingAction and world["PLAYER_TYPE"] matching ThingType of
- TT_START_NUMBER > 0. Then, world_db["Things"] emptied, call remake_map()
- and set world_db["WORLD_ACTIVE"], world_db["TURN"] to 1. Build new Things
- according to ThingTypes' TT_START_NUMBERS, with Thing of ID 0 to ThingType
- of ID = world["PLAYER_TYPE"]. Place Things randomly, and actors not on each
- other. Init player's memory map. Write "NEW_WORLD" line to out file.
- """
-
- def free_pos():
- i = 0
- while 1:
- err = "Space to put thing on too hard to find. Map too small?"
- while 1:
- y = rand.next() % world_db["MAP_LENGTH"]
- x = rand.next() % world_db["MAP_LENGTH"]
- if "." == chr(world_db["MAP"][y * world_db["MAP_LENGTH"] + x]):
- break
- i += 1
- if i == 65535:
- raise SystemExit(err)
- # Replica of C code, wrongly ignores animatedness of new Thing.
- pos_clear = (0 == len([id for id in world_db["Things"]
- if world_db["Things"][id]["T_LIFEPOINTS"]
- if world_db["Things"][id]["T_POSY"] == y
- if world_db["Things"][id]["T_POSX"] == x]))
- if pos_clear:
- break
- return (y, x)
-
- val = integer_test(seed_string, 0, 4294967295)
- if None == val:
- return
- rand.seed = val
- world_db["SEED_MAP"] = val
- player_will_be_generated = False
- playertype = world_db["PLAYER_TYPE"]
- for ThingType in world_db["ThingTypes"]:
- if playertype == ThingType:
- if 0 < world_db["ThingTypes"][ThingType]["TT_START_NUMBER"]:
- player_will_be_generated = True
- break
- if not player_will_be_generated:
- print("Ignoring beyond SEED_MAP: " +
- "No player type with start number >0 defined.")
- return
- wait_action = False
- for ThingAction in world_db["ThingActions"]:
- if "wait" == world_db["ThingActions"][ThingAction]["TA_NAME"]:
- wait_action = True
- if not wait_action:
- print("Ignoring beyond SEED_MAP: " +
- "No thing action with name 'wait' defined.")
- return
- world_db["Things"] = {}
- remake_map()
- world_db["WORLD_ACTIVE"] = 1
- world_db["TURN"] = 1
- for i in range(world_db["ThingTypes"][playertype]["TT_START_NUMBER"]):
- id = id_setter(-1, "Things")
- world_db["Things"][id] = new_Thing(playertype, free_pos())
- update_map_memory(world_db["Things"][0])
- for type in world_db["ThingTypes"]:
- for i in range(world_db["ThingTypes"][type]["TT_START_NUMBER"]):
- if type != playertype:
- id = id_setter(-1, "Things")
- world_db["Things"][id] = new_Thing(type, free_pos())
- strong_write(io_db["file_out"], "NEW_WORLD\n")
-
-
-def command_maplength(maplength_string):
- """Redefine map length. Invalidate map, therefore lose all things on it."""
- val = integer_test(maplength_string, 1, 256)
- if None != val:
- world_db["MAP_LENGTH"] = val
- set_world_inactive()
- world_db["Things"] = {}
- libpr.set_maplength(val)
-
-
-def command_worldactive(worldactive_string):
- """Toggle world_db["WORLD_ACTIVE"] if possible.
-
- An active world can always be set inactive. An inactive world can only be
- set active with a "wait" ThingAction, and a player Thing (of ID 0). On
- activation, rebuild all Things' FOVs, and the player's map memory.
- """
- # In original version, map existence was also tested (unnecessarily?).
- val = integer_test(worldactive_string, 0, 1)
- if val:
- if 0 != world_db["WORLD_ACTIVE"]:
- if 0 == val:
- set_world_inactive()
- else:
- print("World already active.")
- elif 0 == world_db["WORLD_ACTIVE"]:
- wait_exists = False
- for ThingAction in world_db["ThingActions"]:
- if "wait" == world_db["ThingActions"][ThingAction]["TA_NAME"]:
- wait_exists = True
- break
- player_exists = False
- for Thing in world_db["Things"]:
- if 0 == Thing:
- player_exists = True
- break
- if wait_exists and player_exists:
- for id in world_db["Things"]:
- if world_db["Things"][id]["T_LIFEPOINTS"]:
- build_fov_map(world_db["Things"][id])
- if 0 == id:
- update_map_memory(world_db["Things"][id], False)
- world_db["WORLD_ACTIVE"] = 1
-
-
-def test_for_id_maker(object, category):
- """Return decorator testing for object having "id" attribute."""
- def decorator(f):
- def helper(*args):
- if hasattr(object, "id"):
- f(*args)
- else:
- print("Ignoring: No " + category +
- " defined to manipulate yet.")
- return helper
- return decorator
-
-
-def command_tid(id_string):
- """Set ID of Thing to manipulate. ID unused? Create new one.
-
- Default new Thing's type to the first available ThingType, others: zero.
- """
- id = id_setter(id_string, "Things", command_tid)
- if None != id:
- if world_db["ThingTypes"] == {}:
- print("Ignoring: No ThingType to settle new Thing in.")
- return
- type = list(world_db["ThingTypes"].keys())[0]
- world_db["Things"][id] = new_Thing(type)
-
-
-test_Thing_id = test_for_id_maker(command_tid, "Thing")
-
-
-@test_Thing_id
-def command_tcommand(str_int):
- """Set T_COMMAND of selected Thing."""
- val = integer_test(str_int, 0)
- if None != val:
- if 0 == val or val in world_db["ThingActions"]:
- world_db["Things"][command_tid.id]["T_COMMAND"] = val
- else:
- print("Ignoring: ThingAction ID belongs to no known ThingAction.")
-
-
-@test_Thing_id
-def command_ttype(str_int):
- """Set T_TYPE of selected Thing."""
- val = integer_test(str_int, 0)
- if None != val:
- if val in world_db["ThingTypes"]:
- world_db["Things"][command_tid.id]["T_TYPE"] = val
- else:
- print("Ignoring: ThingType ID belongs to no known ThingType.")
-
-
-@test_Thing_id
-def command_tcarries(str_int):
- """Append int(str_int) to T_CARRIES of selected Thing.
-
- The ID int(str_int) must not be of the selected Thing, and must belong to a
- Thing with unset "carried" flag. Its "carried" flag will be set on owning.
- """
- val = integer_test(str_int, 0)
- if None != val:
- if val == command_tid.id:
- print("Ignoring: Thing cannot carry itself.")
- elif val in world_db["Things"] \
- and not world_db["Things"][val]["carried"]:
- world_db["Things"][command_tid.id]["T_CARRIES"].append(val)
- world_db["Things"][val]["carried"] = True
- else:
- print("Ignoring: Thing not available for carrying.")
- # Note that the whole carrying structure is different from the C version:
- # Carried-ness is marked by a "carried" flag, not by Things containing
- # Things internally.
-
-
-@test_Thing_id
-def command_tmemthing(str_t, str_y, str_x):
- """Add (int(str_t), int(str_y), int(str_x)) to selected Thing's T_MEMTHING.
-
- The type must fit to an existing ThingType, and the position into the map.
- """
- type = integer_test(str_t, 0)
- posy = integer_test(str_y, 0, 255)
- posx = integer_test(str_x, 0, 255)
- if None != type and None != posy and None != posx:
- if type not in world_db["ThingTypes"] \
- or posy >= world_db["MAP_LENGTH"] or posx >= world_db["MAP_LENGTH"]:
- print("Ignoring: Illegal value for thing type or position.")
- else:
- memthing = (type, posy, posx)
- world_db["Things"][command_tid.id]["T_MEMTHING"].append(memthing)
-
-
-def setter_map(maptype):
- """Set selected Thing's map of maptype's int(str_int)-th line to mapline.
-
- If Thing has no map of maptype yet, initialize it with ' ' bytes first.
- """
- @test_Thing_id
- def helper(str_int, mapline):
- val = integer_test(str_int, 0, 255)
- if None != val:
- if val >= world_db["MAP_LENGTH"]:
- print("Illegal value for map line number.")
- elif len(mapline) != world_db["MAP_LENGTH"]:
- print("Map line length is unequal map width.")
- else:
- length = world_db["MAP_LENGTH"]
- map = None
- if not world_db["Things"][command_tid.id][maptype]:
- map = bytearray(b' ' * (length ** 2))
- else:
- map = world_db["Things"][command_tid.id][maptype]
- map[val * length:(val * length) + length] = mapline.encode()
- world_db["Things"][command_tid.id][maptype] = map
- return helper
-
-
-def setter_tpos(axis):
- """Generate setter for T_POSX or T_POSY of selected Thing.
-
- If world is active, rebuilds animate things' fovmap, player's memory map.
- """
- @test_Thing_id
- def helper(str_int):
- val = integer_test(str_int, 0, 255)
- if None != val:
- if val < world_db["MAP_LENGTH"]:
- world_db["Things"][command_tid.id]["T_POS" + axis] = val
- if world_db["WORLD_ACTIVE"] \
- and world_db["Things"][command_tid.id]["T_LIFEPOINTS"]:
- build_fov_map(world_db["Things"][command_tid.id])
- if 0 == command_tid.id:
- update_map_memory(world_db["Things"][command_tid.id])
- else:
- print("Ignoring: Position is outside of map.")
- return helper
-
-
-def command_ttid(id_string):
- """Set ID of ThingType to manipulate. ID unused? Create new one.
-
- Default new ThingType's TT_SYMBOL to "?", TT_CORPSE_ID to self, others: 0.
- """
- id = id_setter(id_string, "ThingTypes", command_ttid)
- if None != id:
- world_db["ThingTypes"][id] = {
- "TT_NAME": "(none)",
- "TT_CONSUMABLE": 0,
- "TT_LIFEPOINTS": 0,
- "TT_PROLIFERATE": 0,
- "TT_START_NUMBER": 0,
- "TT_SYMBOL": "?",
- "TT_CORPSE_ID": id
- }
-
-
-test_ThingType_id = test_for_id_maker(command_ttid, "ThingType")
-
-
-@test_ThingType_id
-def command_ttname(name):
- """Set TT_NAME of selected ThingType."""
- world_db["ThingTypes"][command_ttid.id]["TT_NAME"] = name
-
-
-@test_ThingType_id
-def command_ttsymbol(char):
- """Set TT_SYMBOL of selected ThingType. """
- if 1 == len(char):
- world_db["ThingTypes"][command_ttid.id]["TT_SYMBOL"] = char
- else:
- print("Ignoring: Argument must be single character.")
-
-
-@test_ThingType_id
-def command_ttcorpseid(str_int):
- """Set TT_CORPSE_ID of selected ThingType."""
- val = integer_test(str_int, 0)
- if None != val:
- if val in world_db["ThingTypes"]:
- world_db["ThingTypes"][command_ttid.id]["TT_CORPSE_ID"] = val
- else:
- print("Ignoring: Corpse ID belongs to no known ThignType.")
-
-
-def command_taid(id_string):
- """Set ID of ThingAction to manipulate. ID unused? Create new one.
-
- Default new ThingAction's TA_EFFORT to 1, its TA_NAME to "wait".
- """
- id = id_setter(id_string, "ThingActions", command_taid, True)
- if None != id:
- world_db["ThingActions"][id] = {
- "TA_EFFORT": 1,
- "TA_NAME": "wait"
- }
-
-
-test_ThingAction_id = test_for_id_maker(command_taid, "ThingAction")
-
-
-@test_ThingAction_id
-def command_taname(name):
- """Set TA_NAME of selected ThingAction.
-
- The name must match a valid thing action function. If after the name
- setting no ThingAction with name "wait" remains, call set_world_inactive().
- """
- if name == "wait" or name == "move" or name == "use" or name == "drop" \
- or name == "pick_up":
- world_db["ThingActions"][command_taid.id]["TA_NAME"] = name
- if 1 == world_db["WORLD_ACTIVE"]:
- wait_defined = False
- for id in world_db["ThingActions"]:
- if "wait" == world_db["ThingActions"][id]["TA_NAME"]:
- wait_defined = True
- break
- if not wait_defined:
- set_world_inactive()
- else:
- print("Ignoring: Invalid action name.")
- # In contrast to the original,naming won't map a function to a ThingAction.
-
-
-def command_ai():
- """Call ai() on player Thing, then turn_over()."""
- ai(world_db["Things"][0])
- turn_over()
-
-
-"""Commands database.
-
-Map command start tokens to ([0]) number of expected command arguments, ([1])
-the command's meta-ness (i.e. is it to be written to the record file, is it to
-be ignored in replay mode if read from server input file), and ([2]) a function
-to be called on it.
-"""
-commands_db = {
- "QUIT": (0, True, command_quit),
- "PING": (0, True, command_ping),
- "THINGS_HERE": (2, True, command_thingshere),
- "MAKE_WORLD": (1, False, command_makeworld),
- "SEED_MAP": (1, False, command_seedmap),
- "SEED_RANDOMNESS": (1, False, command_seedrandomness),
- "TURN": (1, False, setter(None, "TURN", 0, 65535)),
- "PLAYER_TYPE": (1, False, setter(None, "PLAYER_TYPE", 0)),
- "MAP_LENGTH": (1, False, command_maplength),
- "WORLD_ACTIVE": (1, False, command_worldactive),
- "TA_ID": (1, False, command_taid),
- "TA_EFFORT": (1, False, setter("ThingAction", "TA_EFFORT", 0, 255)),
- "TA_NAME": (1, False, command_taname),
- "TT_ID": (1, False, command_ttid),
- "TT_NAME": (1, False, command_ttname),
- "TT_SYMBOL": (1, False, command_ttsymbol),
- "TT_CORPSE_ID": (1, False, command_ttcorpseid),
- "TT_CONSUMABLE": (1, False, setter("ThingType", "TT_CONSUMABLE",
- 0, 65535)),
- "TT_START_NUMBER": (1, False, setter("ThingType", "TT_START_NUMBER",
- 0, 255)),
- "TT_PROLIFERATE": (1, False, setter("ThingType", "TT_PROLIFERATE",
- 0, 255)),
- "TT_LIFEPOINTS": (1, False, setter("ThingType", "TT_LIFEPOINTS", 0, 255)),
- "T_ID": (1, False, command_tid),
- "T_ARGUMENT": (1, False, setter("Thing", "T_ARGUMENT", 0, 255)),
- "T_PROGRESS": (1, False, setter("Thing", "T_PROGRESS", 0, 255)),
- "T_LIFEPOINTS": (1, False, setter("Thing", "T_LIFEPOINTS", 0, 255)),
- "T_SATIATION": (1, False, setter("Thing", "T_SATIATION", -32768, 32767)),
- "T_COMMAND": (1, False, command_tcommand),
- "T_TYPE": (1, False, command_ttype),
- "T_CARRIES": (1, False, command_tcarries),
- "T_MEMMAP": (2, False, setter_map("T_MEMMAP")),
- "T_MEMDEPTHMAP": (2, False, setter_map("T_MEMDEPTHMAP")),
- "T_MEMTHING": (3, False, command_tmemthing),
- "T_POSY": (1, False, setter_tpos("Y")),
- "T_POSX": (1, False, setter_tpos("X")),
- "wait": (0, False, play_commander("wait")),
- "move": (1, False, play_commander("move")),
- "pick_up": (0, False, play_commander("pick_up")),
- "drop": (1, False, play_commander("drop", True)),
- "use": (1, False, play_commander("use", True)),
- "ai": (0, False, command_ai)
-}
-
-
-"""World state database. With sane default values. (Randomness is in rand.)"""
-world_db = {
- "TURN": 0,
- "MAP_LENGTH": 64,
- "SEED_MAP": 0,
- "PLAYER_TYPE": 0,
- "WORLD_ACTIVE": 0,
- "ThingActions": {},
- "ThingTypes": {},
- "Things": {}
-}
-
-"""Mapping of direction names to internal direction chars."""
-directions_db = {"east": "d", "south-east": "c", "south-west": "x",
- "west": "s", "north-west": "w", "north-east": "e"}
-
-"""File IO database."""
-io_db = {
- "path_save": "save",
- "path_record": "record_save",
- "path_worldconf": "confserver/world",
- "path_server": "server/",
- "path_in": "server/in",
- "path_out": "server/out",
- "path_worldstate": "server/worldstate",
- "tmp_suffix": "_tmp",
- "kicked_by_rival": False,
- "worldstate_updateable": False
-}
-
-
-try:
- libpr = prep_library()
- rand = RandomnessIO()
- opts = parse_command_line_arguments()
- if opts.savefile:
- io_db["path_save"] = opts.savefile
- io_db["path_record"] = "record_" + opts.savefile
- setup_server_io()
- if opts.verbose:
- io_db["verbose"] = True
- if None != opts.replay:
- replay_game()
- else:
- play_game()
-except SystemExit as exit:
- print("ABORTING: " + exit.args[0])
-except:
- print("SOMETHING WENT WRONG IN UNEXPECTED WAYS")
- raise
-finally:
- cleanup_server_io()