X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=plomrogue-server.py;h=4cb138a3a6da7b2af8b11fa80b84b6dc784d653f;hb=7c9c3b3cc0044de265b845eec1a71d9bc3577105;hp=db5789bfb2eadad09d062ab625796ee52d6e6b36;hpb=c41180a4d0c1b8b5f0f3f88c905eb69becc89ff5;p=plomrogue diff --git a/plomrogue-server.py b/plomrogue-server.py index db5789b..4cb138a 100755 --- a/plomrogue-server.py +++ b/plomrogue-server.py @@ -56,10 +56,10 @@ def obey(command, prefix, replay=False, do_record=False): The command string is tokenized by 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. Non-meta commands are recorded in - non-replay mode if do_record is set. The prefix string is inserted into the - server's input message between its beginning 'input ' and ':'. All activity - is preceded by a call to server_test(). + next command from the records file. If not, and do do_record is set, + non-meta commands are recorded via record(), and save_world() is called. + The prefix string is inserted into the server's input message between its + beginning 'input ' & ':'. All activity is preceded by a server_test() call. """ server_test() print("input " + prefix + ": " + command) @@ -69,7 +69,7 @@ def obey(command, prefix, replay=False, do_record=False): 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: + and len(tokens) == commands_db[tokens[0]][0] + 1: if commands_db[tokens[0]][1]: commands_db[tokens[0]][2]() elif replay: @@ -82,29 +82,100 @@ def obey(command, prefix, replay=False, do_record=False): else: print("Reached end of record file.") else: - commands_db[tokens[0]][2]() + commands_db[tokens[0]][2](*tokens[1:]) if do_record: record(command) - else: + save_world() + elif 0 != len(tokens): print("Invalid command/argument, or bad number of tokens.") +def atomic_write(path, text, do_append=False): + """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) + file.write(text) + file.flush() + os.fsync(file.fileno()) + file.close() + if os.access(path, os.F_OK): + os.remove(path) + os.rename(path_tmp, path) + + def record(command): """Append command string plus newline to record file. (Atomic.)""" # This misses some optimizations from the original record(), namely only # finishing the atomic write with expensive flush() and fsync() every 15 # seconds unless explicitely forced. Implement as needed. - path_tmp = io_db["path_record"] + io_db["tmp_suffix"] - if os.access(io_db["path_record"], os.F_OK): - shutil.copyfile(io_db["path_record"], path_tmp) - file = open(path_tmp, "a") - file.write(command + "\n") - file.flush() - os.fsync(file.fileno()) - file.close() - if os.access(io_db["path_record"], os.F_OK): - os.remove(io_db["path_record"]) - os.rename(path_tmp, io_db["path_record"]) + atomic_write(io_db["path_record"], command + "\n", do_append=True) + + +def save_world(): + """Save all commands needed to reconstruct current world state.""" + # TODO: Misses same optimizations as record() from the original record(). + + 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]: + rmap = world_db["Things"][id][key] + length = world_db["MAP_LENGTH"] + for i in range(world_db["MAP_LENGTH"]): + line = rmap[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]): + string = string + key + " " + str(world_db[key]) + "\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, + "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" + atomic_write(io_db["path_save"], string) def obey_lines_in_file(path, name, do_record=False): @@ -157,7 +228,7 @@ def read_command(): max_wait = 5 now = time.time() command = "" - while 1: + while True: add = io_db["file_in"].readline() if len(add) > 0: command = command + add @@ -172,9 +243,103 @@ def read_command(): return command -def command_makeworld(): - """Mere dummy so far.""" - print("I would build a whole world now if only I knew how.") +def replay_game(): + """Replay game from record file. + + Use opts.replay as breakpoint turn to which to replay automatically before + switching to manual input by non-meta commands in server input file + triggering further reads of record file. Ensure opts.replay is at least 1. + """ + if opts.replay < 1: + opts.replay = 1 + print("Replay mode. Auto-replaying up to turn " + str(opts.replay) + + " (if so late a turn is to be found).") + if not os.access(io_db["path_record"], os.F_OK): + raise SystemExit("No record file found to replay.") + io_db["file_record"] = open(io_db["path_record"], "r") + io_db["file_record"].prefix = "record file line " + io_db["file_record"].line_n = 1 + while world_db["TURN"] < opts.replay: + line = io_db["file_record"].readline() + if "" == line: + break + obey(line.rstrip(), io_db["file_record"].prefix + + str(io_db["file_record"].line_n)) + io_db["file_record"].line_n = io_db["file_record"].line_n + 1 + while True: + obey(read_command(), "in file", replay=True) + + +def play_game(): + """Play game by server input file commands. Before, load save file found. + + If no save file is found, a new world is generated from the commands in the + world config plus a 'MAKE WORLD [current Unix timestamp]'. Record this + command and all that follow via the server input file. + """ + if os.access(io_db["path_save"], os.F_OK): + obey_lines_in_file(io_db["path_save"], "save") + else: + if not os.access(io_db["path_worldconf"], os.F_OK): + msg = "No world config file from which to start a new world." + raise SystemExit(msg) + obey_lines_in_file(io_db["path_worldconf"], "world config ", + do_record=True) + obey("MAKE_WORLD " + str(int(time.time())), "in file", do_record=True) + while True: + obey(read_command(), "in file", do_record=True) + + +def remake_map(): + # DUMMY map creator. + world_db["MAP"] = bytearray(b'.' * (world_db["MAP_LENGTH"] ** 2)) + + +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): + """Return val_string if possible integer >= min and <= max, else None.""" + try: + val = int(val_string) + if val < min or val > max: + raise ValueError + return val + except ValueError: + print("Ignoring: Please use integer >= " + str(min) + " and <= " + + str(max) + ".") + return None + + +def setter(category, key, min, max): + """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 command_ping(): @@ -188,23 +353,367 @@ def command_quit(): raise SystemExit("received QUIT command") +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): + # DUMMY. + setter(None, "SEED_MAP", 0, 4294967295)(seed_string) + setter(None, "SEED_RANDOMNESS", 0, 4294967295)(seed_string) + # TODO: Test for existence of player thing and 'wait' thing action? + + +def command_maplength(maplength_string): + # DUMMY. + set_world_inactive() + # TODO: remove map + world_db["Things"] = {} + setter(None, "MAP_LENGTH", 1, 256)(maplength_string) + + +def command_worldactive(worldactive_string): + # DUMMY. + val = integer_test(worldactive_string, 0, 1) + if val: + if 0 != world_db["WORLD_ACTIVE"] and 0 == val: + set_world_inactive() + elif 0 == world_db["WORLD_ACTIVE"]: + wait_exists = False + player_exists = False + map_exists = False + # TODO: perform tests: + # Is there thing action of name 'wait'? + # Is there a player thing? + # Is there a map? + if wait_exists and player_exists and map_exists: + # TODO: rebuild al things' FOVs, map memories + world_db["WORLD_ACTIVE"] = 1 + + +def id_setter(id_string, category, id_store, 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 the integer of the input is valid (if + start_at_1, >= 0 and <= 255, else >= -32768 and <= 32767), but <0 or (if + start_at_1) <1, calculate new ID: lowest unused ID >=0 or (if start_at_1) + >= 1, and <= 255. None is always returned when no new object is created, + otherwise the new object's ID. + """ + min = 0 if start_at_1 else -32768 + max = 255 if start_at_1 else 32767 + id = integer_test(id_string, min, max) + if None != id: + if id in world_db[category]: + id_store.id = id + return None + else: + if (start_at_1 and 0 == id) \ + or ((not start_at_1) and (id < 0 or id > 255)): + id = -1 + while 1: + id = id + 1 + if id not in world_db[category]: + break + if id > 255: + print("Ignoring: " + "No unused ID available to add to ID list.") + return None + id_store.id = id + return id + + +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 + world_db["Things"][id] = { + "T_LIFEPOINTS": 0, + "T_ARGUMENT": 0, + "T_PROGRESS": 0, + "T_SATIATION": 0, + "T_COMMAND": 0, + "T_TYPE": list(world_db["ThingTypes"].keys())[0], + "T_POSY": 0, + "T_POSX": 0, + "T_CARRIES": [], + "carried": False, + "T_MEMTHING": [], + "T_MEMMAP": False, + "T_MEMDEPTHMAP": False + } + + +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, 255) + 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, 255) + 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, 255) + 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, 255) + 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"] + rmap = None + if not world_db["Things"][command_tid.id][maptype]: + rmap = bytearray(b' ' * (length ** 2)) + else: + rmap = world_db["Things"][command_tid.id][maptype] + rmap[val * length:(val * length) + length] = mapline.encode() + world_db["Things"][command_tid.id][maptype] = rmap + return helper + + +def setter_tpos(axis): + """Generate setter for T_POSX or T_POSY of selected Thing.""" + @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 + # TODO: Delete Thing's FOV, and rebuild it if world is active. + 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, 255) + 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. + + """Commands database. -Map command start tokens to ([0]) minimum 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. +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), - "MAKE_WORLD": (1, False, command_makeworld) + "MAKE_WORLD": (1, False, command_makeworld), + "SEED_MAP": (1, False, command_seedmap), + "SEED_RANDOMNESS": (1, False, setter(None, "SEED_RANDOMNESS", + 0, 4294967295)), + "TURN": (1, False, setter(None, "TURN", 0, 65535)), + "PLAYER_TYPE": (1, False, setter(None, "PLAYER_TYPE", 0, 255)), + "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")), } -"""World state database,""" +"""World state database. With sane default values.""" world_db = { - "turn": 0 + "TURN": 1, + "SEED_MAP": 0, + "SEED_RANDOMNESS": 0, + "PLAYER_TYPE": 0, + "MAP_LENGTH": 64, + "WORLD_ACTIVE": 0, + "ThingActions": {}, + "ThingTypes": {}, + "Things": {} } @@ -227,37 +736,9 @@ try: setup_server_io() # print("DUMMY: Run game.") if None != opts.replay: - 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 = "recod file line " - io_db["file_record"].line_n = 1 - while world_db["turn"] < opts.replay: - line = io_db["file_record"].readline() - if "" == line: - break - obey(line.rstrip(), io_db["file_record"].prefix - + str(io_db["file_record"].line_n)) - io_db["file_record"].line_n = io_db["file_record"].line_n + 1 - while True: - obey(read_command(), "in file", replay=True) + replay_game() else: - if os.access(io_db["path_save"], os.F_OK): - obey_lines_in_file(io_db["path_save"], "save") - else: - if not os.access(io_db["path_worldconf"], os.F_OK): - msg = "No world config file from which to start a new world." - raise SystemExit(msg) - obey_lines_in_file(io_db["path_worldconf"], "world config ", - do_record=True) - obey("MAKE_WORLD " + str(int(time.time())), "in file", - do_record=True) - while True: - obey(read_command(), "in file", do_record=True) + play_game() except SystemExit as exit: print("ABORTING: " + exit.args[0]) except: