From: Christian Heller Date: Sun, 31 Jan 2016 22:31:14 +0000 (+0100) Subject: Server: Split in many files, reorganize code slightly to fit change. X-Git-Tag: tce~209 X-Git-Url: https://plomlompom.com/repos/%7B%7B%20web_path%20%7D%7D/decks/%7B%7Bdb.prefix%7D%7D/static/condition?a=commitdiff_plain;h=08f8592f1a1e5d340b6c2372551f0a3da28a07d8;p=plomrogue Server: Split in many files, reorganize code slightly to fit change. --- diff --git a/roguelike-server b/roguelike-server index 773a2fa..abd2f2f 100755 --- a/roguelike-server +++ b/roguelike-server @@ -5,369 +5,6 @@ # 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 -import math - - -from server.config.world_data import world_db, directions_db -from server.config.io import io_db - - -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 ./build.sh first?") - libpr = ctypes.cdll.LoadLibrary(libpath) - libpr.seed_rrand.restype = ctypes.c_uint32 - return libpr - - -def c_pointer_to_bytearray(ba): - """Return C char * pointer to ba.""" - type = ctypes.c_char * len(ba) - return type.from_buffer(ba) - - -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 appending. 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"], "a") - 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 log(msg): - """Send "msg" to log.""" - strong_write(io_db["file_out"], "LOG " + msg + "\n") - - -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_ACTIVE"], 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. Commands that start with a lowercase - letter are ignored when world_db["WORLD_ACTIVE"] is False/0. - """ - 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 tokens[0][0].islower() and not world_db["WORLD_ACTIVE"]: - print("Ignoring lowercase-starting commands when world inactive.") - 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) - if world_db["WORLD_ACTIVE"]: - 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=None): - string = "" - if key == "MAP" or world_db["Things"][id][key]: - map = world_db["MAP"] if key == "MAP" \ - else 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 sorted(world_db[category].keys()): - string = string + id_string + " " + str(id) + "\n" - for key in sorted(world_db[category][id].keys()): - 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 sorted(world_db.keys()): - if (not isinstance(world_db[key], dict)) and key != "MAP" and \ - key != "WORLD_ACTIVE": - string = string + key + " " + str(world_db[key]) + "\n" - string = string + mapsetter("MAP")() - string = string + helper("ThingActions", "TA_ID") - string = string + helper("ThingTypes", "TT_ID", {"TT_CORPSE_ID": False}) - for id in sorted(world_db["ThingTypes"].keys()): - 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 sorted(world_db["Things"].keys()): - if [] != world_db["Things"][id]["T_CARRIES"]: - string = string + "T_ID " + str(id) + "\n" - for carried in sorted(world_db["Things"][id]["T_CARRIES"]): - string = string + "T_CARRIES " + str(carried) + "\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 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)) - ord_v = ord("v") - for pos in [pos for pos in range(length ** 2) - if ord_v == world_db["Things"][0]["fovmap"][pos]]: - fov[pos] = world_db["MAP"][pos] - length = world_db["MAP_LENGTH"] - for id in [id for tid in reversed(sorted(list(world_db["ThingTypes"]))) - for id in world_db["Things"] - if not world_db["Things"][id]["carried"] - if world_db["Things"][id]["T_TYPE"] == tid - if world_db["Things"][0]["fovmap"][ - world_db["Things"][id]["T_POSY"] * length - + world_db["Things"][id]["T_POSX"]] == ord_v]: - type = world_db["Things"][id]["T_TYPE"] - c = ord(world_db["ThingTypes"][type]["TT_SYMBOL"]) - fov[world_db["Things"][id]["T_POSY"] * length - + world_db["Things"][id]["T_POSX"]] = c - string = write_map(string, fov) - mem = world_db["Things"][0]["T_MEMMAP"][:] - for mt in [mt for tid in reversed(sorted(list(world_db["ThingTypes"]))) - for mt in world_db["Things"][0]["T_MEMTHING"] - if mt[0] == tid]: - 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. @@ -405,6 +42,8 @@ def play_game(): command and all that follow via the server input file. Run try_worldstate_update() before each interactive obey()/read_command(). """ + import time + from server.io import obey_lines_in_file if os.access(io_db["path_save"], os.F_OK): obey_lines_in_file(io_db["path_save"], "save") else: @@ -419,1313 +58,20 @@ def play_game(): obey(read_command(), "in file", do_record=True) -def make_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 - - 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 - # This all-too-precise replica of the original C code misses iter_limit(). - - -def eat_vs_hunger_threshold(thingtype): - """Return satiation cost of eating for type. Good food for it must be >.""" - hunger_unit = hunger_per_turn(thingtype) - actiontype = [id for id in world_db["ThingActions"] - if world_db["ThingActions"][id]["TA_NAME"] == "use"][0] - return world_db["ThingActions"][actiontype]["TA_EFFORT"] * hunger_unit - - -def update_map_memory(t, age_map=True): - """Update t's T_MEMMAP with what's in its FOV now,age its T_MEMMEPTHMAP.""" - - def age_some_memdepthmap_on_nonfov_cells(): - # OUTSOURCED FOR PERFORMANCE REASONS TO libplomrogue.so: - # ord_v = ord("v") - # ord_0 = ord("0") - # ord_9 = ord("9") - # for pos in [pos for pos in range(world_db["MAP_LENGTH"] ** 2) - # if not ord_v == t["fovmap"][pos] - # if ord_0 <= t["T_MEMDEPTHMAP"][pos] - # if ord_9 > t["T_MEMDEPTHMAP"][pos] - # if not rand.next() % (2 ** - # (t["T_MEMDEPTHMAP"][pos] - 48))]: - # t["T_MEMDEPTHMAP"][pos] += 1 - memdepthmap = c_pointer_to_bytearray(t["T_MEMDEPTHMAP"]) - fovmap = c_pointer_to_bytearray(t["fovmap"]) - libpr.age_some_memdepthmap_on_nonfov_cells(memdepthmap, fovmap) - - 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") - 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 - t["T_MEMMAP"][pos] = world_db["MAP"][pos] - if age_map: - age_some_memdepthmap_on_nonfov_cells() - t["T_MEMTHING"] = [mt for mt in t["T_MEMTHING"] - if ord_v != t["fovmap"][(mt[1] * world_db["MAP_LENGTH"]) - + mt[2]]] - 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 ord_v == 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 integer >= min & (if max set) <= max, else None.""" - try: - val = int(val_string) - if val < min or (max is not None and val > max): - raise ValueError - return val - except ValueError: - msg = "Ignoring: Please use integer >= " + str(min) - if max is not 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)) - fovmap = c_pointer_to_bytearray(t["fovmap"]) - map = c_pointer_to_bytearray(world_db["MAP"]) - if libpr.build_fov_map(t["T_POSY"], t["T_POSX"], fovmap, map): - 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. - Dying actors drop all their things. - """ - t["T_LIFEPOINTS"] -= 1 - if 0 == t["T_LIFEPOINTS"]: - for id in t["T_CARRIES"]: - t["T_CARRIES"].remove(id) - world_db["Things"][id]["T_POSY"] = t["T_POSY"] - world_db["Things"][id]["T_POSX"] = t["T_POSX"] - world_db["Things"][id]["carried"] = False - 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)) - log("You die.") - log("See README on how to start over.") - else: - t["fovmap"] = False - t["T_MEMMAP"] = False - t["T_MEMDEPTHMAP"] = False - t["T_MEMTHING"] = [] - - -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]: - log("You wait") - - -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] - 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] - if t == world_db["Things"][0]: - hitted_type = world_db["Things"][hit_id]["T_TYPE"] - hitted_name = world_db["ThingTypes"][hitted_type]["TT_NAME"] - log("You WOUND" + hitted_name + ".") - elif 0 == hit_id: - hitter_name = world_db["ThingTypes"][t["T_TYPE"]]["TT_NAME"] - log(hitter_name +" WOUNDS you.") - decrement_lifepoints(world_db["Things"][hit_id]) - return - passable = "." == chr(world_db["MAP"][pos]) - 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]: - log("You MOVE " + dir + ".") - - -def actor_pick_up(t): - """Make t pick up (topmost?) Thing from ground into inventory. - - Define topmostness by how low the thing's type ID is. - """ - 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): - lowest_tid = -1 - for iid in ids: - tid = world_db["Things"][iid]["T_TYPE"] - if lowest_tid == -1 or tid < lowest_tid: - id = iid - lowest_tid = tid - world_db["Things"][id]["carried"] = True - t["T_CARRIES"].append(id) - if t == world_db["Things"][0]: - log("You PICK UP an object.") - - -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]: - log("You DROP an object.") - - -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_TOOL"] == "food": - t["T_CARRIES"].remove(id) - del world_db["Things"][id] - t["T_SATIATION"] += world_db["ThingTypes"][type]["TT_TOOLPOWER"] - if t == world_db["Things"][0]: - log("You CONSUME this object.") - elif t == world_db["Things"][0]: - log("You try to use this object, but FAIL.") - - -def thingproliferation(t, prol_map): - """To chance of 1/TT_PROLIFERATE, create t offspring in open neighbor cell. - - Naturally only works with TT_PROLIFERATE > 0. The neighbor cell must be be - marked '.' in prol_map. If there are several map cell candidates, one is - selected randomly. - """ - 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 sorted(directions_db.keys())]: - mv_result = mv_yx_in_dir_legal(dir, t["T_POSY"], t["T_POSX"]) - if mv_result[0] and ord('.') == prol_map[mv_result[1] - * world_db["MAP_LENGTH"] - + 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): - """If t's HP < max, increment them if well-nourished, maybe waiting.""" - if t["T_LIFEPOINTS"] < \ - world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"]: - wait_id = [id for id in world_db["ThingActions"] - if world_db["ThingActions"][id]["TA_NAME"] == "wait"][0] - wait_divider = 8 if t["T_COMMAND"] == wait_id else 1 - testval = int(abs(t["T_SATIATION"]) / wait_divider) - if (testval <= 1 or 1 == (rand.next() % testval)): - t["T_LIFEPOINTS"] += 1 - if t == world_db["Things"][0]: - log("You HEAL.") - - -def hunger_per_turn(type_id): - """The amount of satiation score lost per turn for things of given type.""" - return int(math.sqrt(world_db["ThingTypes"][type_id]["TT_LIFEPOINTS"])) - - -def hunger(t): - """Decrement t's satiation,dependent on it trigger lifepoint dec chance.""" - if t["T_SATIATION"] > -32768: - t["T_SATIATION"] -= hunger_per_turn(t["T_TYPE"]) - if 0 != t["T_SATIATION"] and 0 == int(rand.next() / abs(t["T_SATIATION"])): - if t == world_db["Things"][0]: - if t["T_SATIATION"] < 0: - log("You SUFFER from hunger.") - else: - log("You SUFFER from over-eating.") - 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 animate, but of ThingType, starts out weaker than t - is, and its corpse would be healthy food for t - "f": move away from an enemy – any visible actor whose thing type has more - TT_LIFEPOINTS than t LIFEPOINTS, and might find t's corpse healthy - food – if it is closer than n steps, where n will shrink as t's hunger - grows; if enemy is too close, move towards (attack) the enemy instead; - if no fleeing is possible, nor attacking useful, wait; don't tread on - non-enemies for fleeing - "c": Thing in memorized map is consumable of sufficient nutrition for t - "s": memory map cell with greatest-reachable degree of unexploredness - """ - - def zero_score_map_where_char_on_memdepthmap(c): - # OUTSOURCED FOR PERFORMANCE REASONS TO libplomrogue.so: - # for i in [i for i in range(world_db["MAP_LENGTH"] ** 2) - # if t["T_MEMDEPTHMAP"][i] == mem_depth_c[0]]: - # set_map_score(i, 0) - map = c_pointer_to_bytearray(t["T_MEMDEPTHMAP"]) - if libpr.zero_score_map_where_char_on_memdepthmap(c, map): - raise RuntimeError("No score map allocated for " - "zero_score_map_where_char_on_memdepthmap().") - - def set_map_score_at_thingpos(id, score): - pos = world_db["Things"][id]["T_POSY"] * world_db["MAP_LENGTH"] \ - + world_db["Things"][id]["T_POSX"] - set_map_score(pos, score) - - 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 animate_in_fov(Thing): - if Thing["carried"] or Thing == t or not Thing["T_LIFEPOINTS"]: - return False - pos = Thing["T_POSY"] * world_db["MAP_LENGTH"] + Thing["T_POSX"] - if ord("v") == t["fovmap"][pos]: - return True - - def good_attack_target(v): - eat_cost = eat_vs_hunger_threshold(t["T_TYPE"]) - type = world_db["ThingTypes"][v["T_TYPE"]] - type_corpse = world_db["ThingTypes"][type["TT_CORPSE_ID"]] - if t["T_LIFEPOINTS"] > type["TT_LIFEPOINTS"] \ - and type_corpse["TT_TOOL"] == "food" \ - and type_corpse["TT_TOOLPOWER"] > eat_cost: - return True - return False - - def good_flee_target(m): - own_corpse_id = world_db["ThingTypes"][t["T_TYPE"]]["TT_CORPSE_ID"] - corpse_type = world_db["ThingTypes"][own_corpse_id] - targetness = 0 if corpse_type["TT_TOOL"] != "food" \ - else corpse_type["TT_TOOLPOWER"] - type = world_db["ThingTypes"][m["T_TYPE"]] - if t["T_LIFEPOINTS"] < type["TT_LIFEPOINTS"] \ - and targetness > eat_vs_hunger_threshold(m["T_TYPE"]): - return True - return False - - def seeing_thing(): - if t["fovmap"] and "a" == filter: - for id in world_db["Things"]: - if animate_in_fov(world_db["Things"][id]): - if good_attack_target(world_db["Things"][id]): - return True - elif t["fovmap"] and "f" == filter: - for id in world_db["Things"]: - if animate_in_fov(world_db["Things"][id]): - if good_flee_target(world_db["Things"][id]): - return True - elif t["T_MEMMAP"] and "c" == filter: - eat_cost = eat_vs_hunger_threshold(t["T_TYPE"]) - 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_TOOL"] == "food" \ - and world_db["ThingTypes"][mt[0]]["TT_TOOLPOWER"] \ - > eat_cost: - return True - return False - - def set_cells_passable_on_memmap_to_65534_on_scoremap(): - # OUTSOURCED FOR PERFORMANCE REASONS TO libplomrogue.so: - # ord_dot = ord(".") - # memmap = t["T_MEMMAP"] - # for i in [i for i in range(world_db["MAP_LENGTH"] ** 2) - # if ord_dot == memmap[i]]: - # set_map_score(i, 65534) # i.e. 65535-1 - map = c_pointer_to_bytearray(t["T_MEMMAP"]) - if libpr.set_cells_passable_on_memmap_to_65534_on_scoremap(map): - raise RuntimeError("No score map allocated for set_cells_passable" - "_on_memmap_to_65534_on_scoremap().") - - def init_score_map(): - test = libpr.init_score_map() - if test: - raise RuntimeError("Malloc error in init_score_map().") - ord_v = ord("v") - ord_blank = ord(" ") - set_cells_passable_on_memmap_to_65534_on_scoremap() - if "a" == filter: - for id in world_db["Things"]: - if animate_in_fov(world_db["Things"][id]) \ - and good_attack_target(world_db["Things"][id]): - set_map_score_at_thingpos(id, 0) - elif "f" == filter: - for id in world_db["Things"]: - if animate_in_fov(world_db["Things"][id]) \ - and good_flee_target(world_db["Things"][id]): - set_map_score_at_thingpos(id, 0) - elif "c" == filter: - eat_cost = eat_vs_hunger_threshold(t["T_TYPE"]) - 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_TOOL"] == "food" - if world_db["ThingTypes"][mt[0]]["TT_TOOLPOWER"] - > eat_cost]: - 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]) - if "a" != filter: - for id in world_db["Things"]: - if animate_in_fov(world_db["Things"][id]): - if "f" == filter: - pos = world_db["Things"][id]["T_POSY"] \ - * world_db["MAP_LENGTH"] \ - + world_db["Things"][id]["T_POSX"] - if 0 == get_map_score(pos): - continue - set_map_score_at_thingpos(id, 65535) - - 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) - 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: - distance = get_map_score(eye_pos) - fear_distance = world_db["MAP_LENGTH"] - if t["T_SATIATION"] < 0 and math.sqrt(-t["T_SATIATION"]) > 0: - fear_distance = fear_distance / math.sqrt(-t["T_SATIATION"]) - attack_distance = 1 - if not dir_to_target: - if attack_distance >= distance: - dir_to_target = rand_target_dir(neighbors, - distance - 1, dirs) - elif fear_distance >= distance: - 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 fear_distance < distance: - 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_food(t): - """Return True/False whether t is standing on healthy consumable.""" - eat_cost = eat_vs_hunger_threshold(t["T_TYPE"]) - for id in [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 world_db["ThingTypes"][world_db["Things"][id]["T_TYPE"]] - ["TT_TOOL"] == "food" - if world_db["ThingTypes"][world_db["Things"][id]["T_TYPE"]] - ["TT_TOOLPOWER"] > eat_cost]: - return True - return False - - -def get_inventory_slot_to_consume(t): - """Return invent. slot of healthiest consumable(if any healthy),else -1.""" - cmp_food = -1 - selection = -1 - i = 0 - eat_cost = eat_vs_hunger_threshold(t["T_TYPE"]) - for id in t["T_CARRIES"]: - type = world_db["Things"][id]["T_TYPE"] - if world_db["ThingTypes"][type]["TT_TOOL"] == "food" \ - and world_db["ThingTypes"][type]["TT_TOOLPOWER"]: - nutvalue = world_db["ThingTypes"][type]["TT_TOOLPOWER"] - tmp_cmp = abs(t["T_SATIATION"] + nutvalue - eat_cost) - if (cmp_food < 0 and tmp_cmp < abs(t["T_SATIATION"])) \ - or tmp_cmp < cmp_food: - cmp_food = tmp_cmp - selection = i - i += 1 - return selection - - -def ai(t): - """Determine next command/argment for actor t via AI algorithms.""" - t["T_COMMAND"] = [id for id in world_db["ThingActions"] - if world_db["ThingActions"][id]["TA_NAME"] == "wait"][0] - if get_dir_to_target(t, "f"): - return - 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_food(t): - t["T_COMMAND"] = [id for id in world_db["ThingActions"] - if world_db["ThingActions"][id]["TA_NAME"] - == "pick_up"][0] - else: - going_to_known_food_spot = get_dir_to_target(t, "c") - if not going_to_known_food_spot: - aiming_for_walking_food = get_dir_to_target(t, "a") - if not aiming_for_walking_food: - 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"]: - proliferable_map = world_db["MAP"][:] - for id in [id for id in world_db["Things"] - if not world_db["Things"][id]["carried"]]: - y = world_db["Things"][id]["T_POSY"] - x = world_db["Things"][id]["T_POSX"] - proliferable_map[y * world_db["MAP_LENGTH"] + x] = ord('X') - 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) - hunger(Thing) - if Thing["T_LIFEPOINTS"]: - 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 - thingproliferation(Thing, proliferable_map) - 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, else 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_plugin(str_plugin): - """Run code in plugins/[str_plugin].""" - if (str_plugin.replace("_", "").isalnum() - and os.access("plugins/" + str_plugin, os.F_OK)): - exec(open("plugins/" + str_plugin).read()) - return - print("Bad plugin name:", str_plugin) - - -def command_ping(): - """Send PONG line to server output file.""" - strong_write(io_db["file_out"], "PONG\n") - - -def command_quit(): - """Abort server process.""" - if None == opts.replay: - if world_db["WORLD_ACTIVE"]: - 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 [id for tid in sorted(list(world_db["ThingTypes"])) - for id in world_db["Things"] - if not world_db["Things"][id]["carried"] - if world_db["Things"][id]["T_TYPE"] == tid - if y == world_db["Things"][id]["T_POSY"] - if x == world_db["Things"][id]["T_POSX"]]: - 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 [mt for tid in sorted(list(world_db["ThingTypes"])) - for mt in world_db["Things"][0]["T_MEMTHING"] - if mt[0] == tid if y == mt[1] if 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 set_command(action): - """Set player's T_COMMAND, then call turn_over().""" - 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 play_wait(): - """Try "wait" as player's T_COMMAND.""" - set_command("wait") - - -def play_pickup(): - """Try "pick_up" as player's T_COMMAND".""" - t = world_db["Things"][0] - ids = [id for id in world_db["Things"] if id - 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 not len(ids): - log("NOTHING to pick up.") - else: - set_command("pick_up") - - -def play_drop(str_arg): - """Try "drop" as player's T_COMMAND, int(str_arg) as T_ARGUMENT / slot.""" - t = world_db["Things"][0] - if 0 == len(t["T_CARRIES"]): - log("You have NOTHING to drop in your inventory.") - else: - val = integer_test(str_arg, 0, 255) - if None != val and val < len(t["T_CARRIES"]): - world_db["Things"][0]["T_ARGUMENT"] = val - set_command("drop") - else: - print("Illegal inventory index.") - - -def play_use(str_arg): - """Try "use" as player's T_COMMAND, int(str_arg) as T_ARGUMENT / slot.""" - t = world_db["Things"][0] - if 0 == len(t["T_CARRIES"]): - log("You have NOTHING to use in your inventory.") - else: - val = integer_test(str_arg, 0, 255) - if None != val and val < len(t["T_CARRIES"]): - id = t["T_CARRIES"][val] - type = world_db["Things"][id]["T_TYPE"] - if not world_db["ThingTypes"][type]["TT_TOOL"] == "food": - log("You CAN'T consume this thing.") - return - world_db["Things"][0]["T_ARGUMENT"] = val - set_command("use") - else: - print("Illegal inventory index.") - - -def play_move(str_arg): - """Try "move" as player's T_COMMAND, str_arg as T_ARGUMENT / direction.""" - t = world_db["Things"][0] - if not str_arg in directions_db: - print("Illegal move direction string.") - return - dir = ord(directions_db[str_arg]) - move_result = mv_yx_in_dir_legal(chr(dir), t["T_POSY"], t["T_POSX"]) - if 1 == move_result[0]: - pos = (move_result[1] * world_db["MAP_LENGTH"]) + move_result[2] - if ord(".") == world_db["MAP"][pos]: - world_db["Things"][0]["T_ARGUMENT"] = dir - set_command("move") - return - log("You CAN'T move there.") - - -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_makeworld(seed_string): - """(Re-)build game world, i.e. map, things, to a new turn 1 from seed. - - Seed rand with seed. Do more only with a "wait" ThingAction and - world["PLAYER_TYPE"] matching ThingType of TT_START_NUMBER > 0. Then, - world_db["Things"] emptied, call make_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 - 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: 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"] = {} - make_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()) - if not world_db["Things"][0]["fovmap"]: - empty_fovmap = bytearray(b" " * world_db["MAP_LENGTH"] ** 2) - world_db["Things"][0]["fovmap"] = empty_fovmap - 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 - world_db["MAP"] = False - 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), and a - map. On activation, rebuild all Things' FOVs, and the player's map memory. - """ - val = integer_test(worldactive_string, 0, 1) - if None != 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 and world_db["MAP"]: - 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) - if not world_db["Things"][0]["T_LIFEPOINTS"]: - empty_fovmap = bytearray(b" " * world_db["MAP_LENGTH"] ** 2) - world_db["Things"][0]["fovmap"] = empty_fovmap - world_db["WORLD_ACTIVE"] = 1 - else: - print("Ignoring: Not all conditions for world activation met.") - - -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 (world or Thing's) map of maptype's int(str_int)-th line to mapline. - - If no map of maptype exists yet, initialize it with ' ' bytes first. - """ - - def valid_map_line(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: - return val - return None - - def nonThingMap_helper(str_int, mapline): - val = valid_map_line(str_int, mapline) - if None != val: - length = world_db["MAP_LENGTH"] - if not world_db["MAP"]: - map = bytearray(b' ' * (length ** 2)) - else: - map = world_db["MAP"] - map[val * length:(val * length) + length] = mapline.encode() - if not world_db["MAP"]: - world_db["MAP"] = map - - @test_Thing_id - def ThingMap_helper(str_int, mapline): - val = valid_map_line(str_int, mapline) - if None != val: - length = world_db["MAP_LENGTH"] - 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() - if not world_db["Things"][command_tid.id][maptype]: - world_db["Things"][command_tid.id][maptype] = map - - return nonThingMap_helper if maptype == "MAP" else ThingMap_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, TT_TOOL to - "", others: 0. - """ - id = id_setter(id_string, "ThingTypes", command_ttid) - if None != id: - world_db["ThingTypes"][id] = { - "TT_NAME": "(none)", - "TT_TOOLPOWER": 0, - "TT_LIFEPOINTS": 0, - "TT_PROLIFERATE": 0, - "TT_START_NUMBER": 0, - "TT_SYMBOL": "?", - "TT_CORPSE_ID": id, - "TT_TOOL": "" - } - - -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_tttool(name): - """Set TT_TOOL of selected ThingType.""" - world_db["ThingTypes"][command_ttid.id]["TT_TOOL"] = 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 = { - "PLUGIN": (1, True, command_plugin), - "QUIT": (0, True, command_quit), - "PING": (0, True, command_ping), - "THINGS_HERE": (2, True, command_thingshere), - "MAKE_WORLD": (1, False, command_makeworld), - "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), - "MAP": (2, False, setter_map("MAP")), - "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_TOOL": (1, False, command_tttool), - "TT_SYMBOL": (1, False, command_ttsymbol), - "TT_CORPSE_ID": (1, False, command_ttcorpseid), - "TT_TOOLPOWER": (1, False, setter("ThingType", "TT_TOOLPOWER", 0, 65535)), - "TT_START_NUMBER": (1, False, setter("ThingType", "TT_START_NUMBER", - 0, 255)), - "TT_PROLIFERATE": (1, False, setter("ThingType", "TT_PROLIFERATE", - 0, 65535)), - "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_wait), - "move": (1, False, play_move), - "pick_up": (0, False, play_pickup), - "drop": (1, False, play_drop), - "use": (1, False, play_use), - "ai": (0, False, command_ai) -} -# TODO: Unhandled cases: (Un-)killing animates (esp. player!) with T_LIFEPOINTS. - - +from server.io import cleanup_server_io try: - libpr = prep_library() - rand = RandomnessIO() - opts = parse_command_line_arguments() + from server.utils import opts + from server.config.io import io_db if opts.savefile: io_db["path_save"] = opts.savefile io_db["path_record"] = "record_" + opts.savefile + from server.io import setup_server_io setup_server_io() if opts.verbose: io_db["verbose"] = True + import os + from server.config.world_data import world_db + from server.io import read_command, try_worldstate_update, obey if None != opts.replay: replay_game() else: diff --git a/server/actions.py b/server/actions.py new file mode 100644 index 0000000..6031387 --- /dev/null +++ b/server/actions.py @@ -0,0 +1,97 @@ +from server.config.world_data import world_db +from server.io import log + + +def actor_wait(t): + """Make t do nothing (but loudly, if player avatar).""" + if t == world_db["Things"][0]: + log("You wait") + + +def actor_move(t): + """If passable, move/collide(=attack) thing into T_ARGUMENT's direction.""" + from server.world import build_fov_map, decrement_lifepoints + from server.utils import mv_yx_in_dir_legal + from server.config.world_data import directions_db + 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] + 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] + if t == world_db["Things"][0]: + hitted_type = world_db["Things"][hit_id]["T_TYPE"] + hitted_name = world_db["ThingTypes"][hitted_type]["TT_NAME"] + log("You WOUND" + hitted_name + ".") + elif 0 == hit_id: + hitter_name = world_db["ThingTypes"][t["T_TYPE"]]["TT_NAME"] + log(hitter_name +" WOUNDS you.") + decrement_lifepoints(world_db["Things"][hit_id]) + return + passable = "." == chr(world_db["MAP"][pos]) + 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]: + log("You MOVE " + dir + ".") + + +def actor_pick_up(t): + """Make t pick up (topmost?) Thing from ground into inventory. + + Define topmostness by how low the thing's type ID is. + """ + 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): + lowest_tid = -1 + for iid in ids: + tid = world_db["Things"][iid]["T_TYPE"] + if lowest_tid == -1 or tid < lowest_tid: + id = iid + lowest_tid = tid + world_db["Things"][id]["carried"] = True + t["T_CARRIES"].append(id) + if t == world_db["Things"][0]: + log("You PICK UP an object.") + + +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]: + log("You DROP an object.") + + +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_TOOL"] == "food": + t["T_CARRIES"].remove(id) + del world_db["Things"][id] + t["T_SATIATION"] += world_db["ThingTypes"][type]["TT_TOOLPOWER"] + if t == world_db["Things"][0]: + log("You CONSUME this object.") + elif t == world_db["Things"][0]: + log("You try to use this object, but FAIL.") diff --git a/server/ai.py b/server/ai.py new file mode 100644 index 0000000..9d5fc8d --- /dev/null +++ b/server/ai.py @@ -0,0 +1,289 @@ +from server.config.world_data import world_db + + +def eat_vs_hunger_threshold(thingtype): + """Return satiation cost of eating for type. Good food for it must be >.""" + from server.world import hunger_per_turn + hunger_unit = hunger_per_turn(thingtype) + actiontype = [id for id in world_db["ThingActions"] + if world_db["ThingActions"][id]["TA_NAME"] == "use"][0] + return world_db["ThingActions"][actiontype]["TA_EFFORT"] * hunger_unit + + +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 animate, but of ThingType, starts out weaker than t + is, and its corpse would be healthy food for t + "f": move away from an enemy – any visible actor whose thing type has more + TT_LIFEPOINTS than t LIFEPOINTS, and might find t's corpse healthy + food – if it is closer than n steps, where n will shrink as t's hunger + grows; if enemy is too close, move towards (attack) the enemy instead; + if no fleeing is possible, nor attacking useful, wait; don't tread on + non-enemies for fleeing + "c": Thing in memorized map is consumable of sufficient nutrition for t + "s": memory map cell with greatest-reachable degree of unexploredness + """ + from server.utils import rand, libpr, c_pointer_to_bytearray + + def zero_score_map_where_char_on_memdepthmap(c): + # OUTSOURCED FOR PERFORMANCE REASONS TO libplomrogue.so: + # for i in [i for i in range(world_db["MAP_LENGTH"] ** 2) + # if t["T_MEMDEPTHMAP"][i] == mem_depth_c[0]]: + # set_map_score(i, 0) + map = c_pointer_to_bytearray(t["T_MEMDEPTHMAP"]) + if libpr.zero_score_map_where_char_on_memdepthmap(c, map): + raise RuntimeError("No score map allocated for " + "zero_score_map_where_char_on_memdepthmap().") + + def set_map_score_at_thingpos(id, score): + pos = world_db["Things"][id]["T_POSY"] * world_db["MAP_LENGTH"] \ + + world_db["Things"][id]["T_POSX"] + set_map_score(pos, score) + + 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 animate_in_fov(Thing): + if Thing["carried"] or Thing == t or not Thing["T_LIFEPOINTS"]: + return False + pos = Thing["T_POSY"] * world_db["MAP_LENGTH"] + Thing["T_POSX"] + if ord("v") == t["fovmap"][pos]: + return True + + def good_attack_target(v): + eat_cost = eat_vs_hunger_threshold(t["T_TYPE"]) + type = world_db["ThingTypes"][v["T_TYPE"]] + type_corpse = world_db["ThingTypes"][type["TT_CORPSE_ID"]] + if t["T_LIFEPOINTS"] > type["TT_LIFEPOINTS"] \ + and type_corpse["TT_TOOL"] == "food" \ + and type_corpse["TT_TOOLPOWER"] > eat_cost: + return True + return False + + def good_flee_target(m): + own_corpse_id = world_db["ThingTypes"][t["T_TYPE"]]["TT_CORPSE_ID"] + corpse_type = world_db["ThingTypes"][own_corpse_id] + targetness = 0 if corpse_type["TT_TOOL"] != "food" \ + else corpse_type["TT_TOOLPOWER"] + type = world_db["ThingTypes"][m["T_TYPE"]] + if t["T_LIFEPOINTS"] < type["TT_LIFEPOINTS"] \ + and targetness > eat_vs_hunger_threshold(m["T_TYPE"]): + return True + return False + + def seeing_thing(): + if t["fovmap"] and "a" == filter: + for id in world_db["Things"]: + if animate_in_fov(world_db["Things"][id]): + if good_attack_target(world_db["Things"][id]): + return True + elif t["fovmap"] and "f" == filter: + for id in world_db["Things"]: + if animate_in_fov(world_db["Things"][id]): + if good_flee_target(world_db["Things"][id]): + return True + elif t["T_MEMMAP"] and "c" == filter: + eat_cost = eat_vs_hunger_threshold(t["T_TYPE"]) + 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_TOOL"] == "food" \ + and world_db["ThingTypes"][mt[0]]["TT_TOOLPOWER"] \ + > eat_cost: + return True + return False + + def set_cells_passable_on_memmap_to_65534_on_scoremap(): + # OUTSOURCED FOR PERFORMANCE REASONS TO libplomrogue.so: + # ord_dot = ord(".") + # memmap = t["T_MEMMAP"] + # for i in [i for i in range(world_db["MAP_LENGTH"] ** 2) + # if ord_dot == memmap[i]]: + # set_map_score(i, 65534) # i.e. 65535-1 + map = c_pointer_to_bytearray(t["T_MEMMAP"]) + if libpr.set_cells_passable_on_memmap_to_65534_on_scoremap(map): + raise RuntimeError("No score map allocated for set_cells_passable" + "_on_memmap_to_65534_on_scoremap().") + + def init_score_map(): + test = libpr.init_score_map() + if test: + raise RuntimeError("Malloc error in init_score_map().") + ord_v = ord("v") + ord_blank = ord(" ") + set_cells_passable_on_memmap_to_65534_on_scoremap() + if "a" == filter: + for id in world_db["Things"]: + if animate_in_fov(world_db["Things"][id]) \ + and good_attack_target(world_db["Things"][id]): + set_map_score_at_thingpos(id, 0) + elif "f" == filter: + for id in world_db["Things"]: + if animate_in_fov(world_db["Things"][id]) \ + and good_flee_target(world_db["Things"][id]): + set_map_score_at_thingpos(id, 0) + elif "c" == filter: + eat_cost = eat_vs_hunger_threshold(t["T_TYPE"]) + 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_TOOL"] == "food" + if world_db["ThingTypes"][mt[0]]["TT_TOOLPOWER"] + > eat_cost]: + 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]) + if "a" != filter: + for id in world_db["Things"]: + if animate_in_fov(world_db["Things"][id]): + if "f" == filter: + pos = world_db["Things"][id]["T_POSY"] \ + * world_db["MAP_LENGTH"] \ + + world_db["Things"][id]["T_POSX"] + if 0 == get_map_score(pos): + continue + set_map_score_at_thingpos(id, 65535) + + 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(): + import math + 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) + 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: + distance = get_map_score(eye_pos) + fear_distance = world_db["MAP_LENGTH"] + if t["T_SATIATION"] < 0 and math.sqrt(-t["T_SATIATION"]) > 0: + fear_distance = fear_distance / math.sqrt(-t["T_SATIATION"]) + attack_distance = 1 + if not dir_to_target: + if attack_distance >= distance: + dir_to_target = rand_target_dir(neighbors, + distance - 1, dirs) + elif fear_distance >= distance: + 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 fear_distance < distance: + 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_food(t): + """Return True/False whether t is standing on healthy consumable.""" + eat_cost = eat_vs_hunger_threshold(t["T_TYPE"]) + for id in [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 world_db["ThingTypes"][world_db["Things"][id]["T_TYPE"]] + ["TT_TOOL"] == "food" + if world_db["ThingTypes"][world_db["Things"][id]["T_TYPE"]] + ["TT_TOOLPOWER"] > eat_cost]: + return True + return False + + +def get_inventory_slot_to_consume(t): + """Return invent. slot of healthiest consumable(if any healthy),else -1.""" + cmp_food = -1 + selection = -1 + i = 0 + eat_cost = eat_vs_hunger_threshold(t["T_TYPE"]) + for id in t["T_CARRIES"]: + type = world_db["Things"][id]["T_TYPE"] + if world_db["ThingTypes"][type]["TT_TOOL"] == "food" \ + and world_db["ThingTypes"][type]["TT_TOOLPOWER"]: + nutvalue = world_db["ThingTypes"][type]["TT_TOOLPOWER"] + tmp_cmp = abs(t["T_SATIATION"] + nutvalue - eat_cost) + if (cmp_food < 0 and tmp_cmp < abs(t["T_SATIATION"])) \ + or tmp_cmp < cmp_food: + cmp_food = tmp_cmp + selection = i + i += 1 + return selection + + +def ai(t): + """Determine next command/argment for actor t via AI algorithms.""" + t["T_COMMAND"] = [id for id in world_db["ThingActions"] + if world_db["ThingActions"][id]["TA_NAME"] == "wait"][0] + if get_dir_to_target(t, "f"): + return + 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_food(t): + t["T_COMMAND"] = [id for id in world_db["ThingActions"] + if world_db["ThingActions"][id]["TA_NAME"] + == "pick_up"][0] + else: + going_to_known_food_spot = get_dir_to_target(t, "c") + if not going_to_known_food_spot: + aiming_for_walking_food = get_dir_to_target(t, "a") + if not aiming_for_walking_food: + get_dir_to_target(t, "s") diff --git a/server/commands.py b/server/commands.py new file mode 100644 index 0000000..fb20415 --- /dev/null +++ b/server/commands.py @@ -0,0 +1,493 @@ +from server.config.world_data import world_db +from server.config.io import io_db +from server.io import log, strong_write +from server.utils import integer_test, id_setter +from server.world import build_fov_map, update_map_memory, set_world_inactive,\ + turn_over + + +def command_plugin(str_plugin): + """Run code in plugins/[str_plugin].""" + import os + if (str_plugin.replace("_", "").isalnum() + and os.access("plugins/" + str_plugin, os.F_OK)): + exec(open("plugins/" + str_plugin).read()) + return + print("Bad plugin name:", str_plugin) + + +def command_ping(): + """Send PONG line to server output file.""" + strong_write(io_db["file_out"], "PONG\n") + + +def command_quit(): + """Abort server process.""" + from server.io import save_world, atomic_write + from server.utils import opts + if None == opts.replay: + if world_db["WORLD_ACTIVE"]: + 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 [id for tid in sorted(list(world_db["ThingTypes"])) + for id in world_db["Things"] + if not world_db["Things"][id]["carried"] + if world_db["Things"][id]["T_TYPE"] == tid + if y == world_db["Things"][id]["T_POSY"] + if x == world_db["Things"][id]["T_POSX"]]: + 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 [mt for tid in sorted(list(world_db["ThingTypes"])) + for mt in world_db["Things"][0]["T_MEMTHING"] + if mt[0] == tid if y == mt[1] if 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 command_seedrandomness(seed_string): + """Set rand seed to int(seed_string).""" + from server.utils import rand + val = integer_test(seed_string, 0, 4294967295) + if None != val: + rand.seed = val + + +def command_makeworld(seed_string): + """Call make_world().""" + val = integer_test(seed_string, 0, 4294967295) + if None != val: + from server.world import make_world + make_world(val) + + +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: + from server.utils import libpr + world_db["MAP_LENGTH"] = val + world_db["MAP"] = False + 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), and a + map. On activation, rebuild all Things' FOVs, and the player's map memory. + """ + val = integer_test(worldactive_string, 0, 1) + if None != 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 and world_db["MAP"]: + 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) + if not world_db["Things"][0]["T_LIFEPOINTS"]: + empty_fovmap = bytearray(b" " * world_db["MAP_LENGTH"] ** 2) + world_db["Things"][0]["fovmap"] = empty_fovmap + world_db["WORLD_ACTIVE"] = 1 + else: + print("Ignoring: Not all conditions for world activation met.") + + +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] + from server.world import new_Thing + world_db["Things"][id] = new_Thing(type) + + +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, TT_TOOL to + "", others: 0. + """ + id = id_setter(id_string, "ThingTypes", command_ttid) + if None != id: + world_db["ThingTypes"][id] = { + "TT_NAME": "(none)", + "TT_TOOLPOWER": 0, + "TT_LIFEPOINTS": 0, + "TT_PROLIFERATE": 0, + "TT_START_NUMBER": 0, + "TT_SYMBOL": "?", + "TT_CORPSE_ID": id, + "TT_TOOL": "" + } + + +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" + } + + +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 + + +test_Thing_id = test_for_id_maker(command_tid, "Thing") +test_ThingType_id = test_for_id_maker(command_ttid, "ThingType") +test_ThingAction_id = test_for_id_maker(command_taid, "ThingAction") + + +@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) + + +@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_tttool(name): + """Set TT_TOOL of selected ThingType.""" + world_db["ThingTypes"][command_ttid.id]["TT_TOOL"] = 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.") + + +@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 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 setter_map(maptype): + """Set (world or Thing's) map of maptype's int(str_int)-th line to mapline. + + If no map of maptype exists yet, initialize it with ' ' bytes first. + """ + + def valid_map_line(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: + return val + return None + + def nonThingMap_helper(str_int, mapline): + val = valid_map_line(str_int, mapline) + if None != val: + length = world_db["MAP_LENGTH"] + if not world_db["MAP"]: + map = bytearray(b' ' * (length ** 2)) + else: + map = world_db["MAP"] + map[val * length:(val * length) + length] = mapline.encode() + if not world_db["MAP"]: + world_db["MAP"] = map + + @test_Thing_id + def ThingMap_helper(str_int, mapline): + val = valid_map_line(str_int, mapline) + if None != val: + length = world_db["MAP_LENGTH"] + 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() + if not world_db["Things"][command_tid.id][maptype]: + world_db["Things"][command_tid.id][maptype] = map + + return nonThingMap_helper if maptype == "MAP" else ThingMap_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 set_command(action): + """Set player's T_COMMAND, then call turn_over().""" + 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 play_wait(): + """Try "wait" as player's T_COMMAND.""" + set_command("wait") + + +def play_pickup(): + """Try "pick_up" as player's T_COMMAND".""" + t = world_db["Things"][0] + ids = [id for id in world_db["Things"] if id + 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 not len(ids): + log("NOTHING to pick up.") + else: + set_command("pick_up") + + +def play_drop(str_arg): + """Try "drop" as player's T_COMMAND, int(str_arg) as T_ARGUMENT / slot.""" + t = world_db["Things"][0] + if 0 == len(t["T_CARRIES"]): + log("You have NOTHING to drop in your inventory.") + else: + val = integer_test(str_arg, 0, 255) + if None != val and val < len(t["T_CARRIES"]): + world_db["Things"][0]["T_ARGUMENT"] = val + set_command("drop") + else: + print("Illegal inventory index.") + + +def play_use(str_arg): + """Try "use" as player's T_COMMAND, int(str_arg) as T_ARGUMENT / slot.""" + t = world_db["Things"][0] + if 0 == len(t["T_CARRIES"]): + log("You have NOTHING to use in your inventory.") + else: + val = integer_test(str_arg, 0, 255) + if None != val and val < len(t["T_CARRIES"]): + id = t["T_CARRIES"][val] + type = world_db["Things"][id]["T_TYPE"] + if not world_db["ThingTypes"][type]["TT_TOOL"] == "food": + log("You CAN'T consume this thing.") + return + world_db["Things"][0]["T_ARGUMENT"] = val + set_command("use") + else: + print("Illegal inventory index.") + + +def play_move(str_arg): + """Try "move" as player's T_COMMAND, str_arg as T_ARGUMENT / direction.""" + from server.config.world_data import directions_db + t = world_db["Things"][0] + if not str_arg in directions_db: + print("Illegal move direction string.") + return + dir = ord(directions_db[str_arg]) + from server.utils import mv_yx_in_dir_legal + move_result = mv_yx_in_dir_legal(chr(dir), t["T_POSY"], t["T_POSX"]) + if 1 == move_result[0]: + pos = (move_result[1] * world_db["MAP_LENGTH"]) + move_result[2] + if ord(".") == world_db["MAP"][pos]: + world_db["Things"][0]["T_ARGUMENT"] = dir + set_command("move") + return + log("You CAN'T move there.") + + +def command_ai(): + """Call ai() on player Thing, then turn_over().""" + from server.ai import ai + ai(world_db["Things"][0]) + turn_over() diff --git a/server/config/actions.py b/server/config/actions.py new file mode 100644 index 0000000..c07a9d8 --- /dev/null +++ b/server/config/actions.py @@ -0,0 +1,10 @@ +from server.actions import actor_wait, actor_move, actor_pick_up, actor_drop, \ + actor_use + +action_db = { + "actor_wait": actor_wait, + "actor_move": actor_move, + "actor_pick_up": actor_pick_up, + "actor_drop": actor_drop, + "actor_use": actor_use +} diff --git a/server/config/commands.py b/server/config/commands.py new file mode 100644 index 0000000..0184051 --- /dev/null +++ b/server/config/commands.py @@ -0,0 +1,63 @@ +from server.commands import command_plugin, command_quit, command_ping, \ + command_thingshere, command_makeworld, command_seedrandomness, setter, \ + command_maplength, command_worldactive, setter_map, command_taid, \ + command_taname, command_ttid, command_ttname, command_tttool, \ + command_ttsymbol, command_ttcorpseid, command_tid, command_tcommand, \ + command_ttype, command_tcarries, command_tmemthing, setter_tpos, \ + play_wait, play_move, play_pickup, play_drop, play_use, command_ai + + +"""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 = { + "PLUGIN": (1, True, command_plugin), + "QUIT": (0, True, command_quit), + "PING": (0, True, command_ping), + "THINGS_HERE": (2, True, command_thingshere), + "MAKE_WORLD": (1, False, command_makeworld), + "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), + "MAP": (2, False, setter_map("MAP")), + "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_TOOL": (1, False, command_tttool), + "TT_SYMBOL": (1, False, command_ttsymbol), + "TT_CORPSE_ID": (1, False, command_ttcorpseid), + "TT_TOOLPOWER": (1, False, setter("ThingType", "TT_TOOLPOWER", 0, 65535)), + "TT_START_NUMBER": (1, False, setter("ThingType", "TT_START_NUMBER", + 0, 255)), + "TT_PROLIFERATE": (1, False, setter("ThingType", "TT_PROLIFERATE", + 0, 65535)), + "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_wait), + "move": (1, False, play_move), + "pick_up": (0, False, play_pickup), + "drop": (1, False, play_drop), + "use": (1, False, play_use), + "ai": (0, False, command_ai) +} +# TODO: Unhandled cases: (Un-)killing animates (esp. player!) with T_LIFEPOINTS. diff --git a/server/config/io.py b/server/config/io.py index 2f22a28..76f403c 100644 --- a/server/config/io.py +++ b/server/config/io.py @@ -9,6 +9,8 @@ io_db = { "path_worldstate": "server_run/worldstate", "tmp_suffix": "_tmp", "kicked_by_rival": False, - "worldstate_updateable": False + "worldstate_updateable": False, + "wait_on_read_fail": 0.03333, + "max_wait_on_read_fail": 5, + "save_wait": 15 } - diff --git a/server/io.py b/server/io.py new file mode 100644 index 0000000..46facb9 --- /dev/null +++ b/server/io.py @@ -0,0 +1,324 @@ +import os +import time + + +from server.config.world_data import world_db +from server.config.io import io_db + + +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 safely_remove_worldstate_file(): + from server.io import server_test + if os.access(io_db["path_worldstate"], os.F_OK): + server_test() + os.remove(io_db["path_worldstate"]) + + +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): + from shutil import copyfile + 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 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 appending. 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_start"] = 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"], "a") + 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 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 = io_db["wait_on_read_fail"] + max_wait = io_db["max_wait_on_read_fail"] + 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 log(msg): + """Send "msg" to log.""" + strong_write(io_db["file_out"], "LOG " + msg + "\n") + + +def save_world(): + """Save all commands needed to reconstruct current world state.""" + from server.utils import rand + + def quote_escape(string): + string = string.replace("\u005C", '\u005C\u005C') + return '"' + string.replace('"', '\u005C"') + '"' + + def mapsetter(key): + def helper(id=None): + string = "" + if key == "MAP" or world_db["Things"][id][key]: + map = world_db["MAP"] if key == "MAP" \ + else 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_escape(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 sorted(world_db[category].keys()): + string = string + id_string + " " + str(id) + "\n" + for key in sorted(world_db[category][id].keys()): + if not key in special_keys: + x = world_db[category][id][key] + argument = quote_escape(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 sorted(world_db.keys()): + if (not isinstance(world_db[key], dict)) and key != "MAP" and \ + key != "WORLD_ACTIVE": + string = string + key + " " + str(world_db[key]) + "\n" + string = string + mapsetter("MAP")() + string = string + helper("ThingActions", "TA_ID") + string = string + helper("ThingTypes", "TT_ID", {"TT_CORPSE_ID": False}) + for id in sorted(world_db["ThingTypes"].keys()): + 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 sorted(world_db["Things"].keys()): + if [] != world_db["Things"][id]["T_CARRIES"]: + string = string + "T_ID " + str(id) + "\n" + for carried in sorted(world_db["Things"][id]["T_CARRIES"]): + string = string + "T_CARRIES " + str(carried) + "\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(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_ACTIVE"], 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 io_db["save_wait"] 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. Commands that start + with a lowercase letter are ignored when world_db["WORLD_ACTIVE"] is + False/0. + """ + import shlex + from server.config.commands import commands_db + 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 tokens[0][0].islower() and not world_db["WORLD_ACTIVE"]: + print("Ignoring lowercase-starting commands when world inactive.") + 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_start"] + io_db["save_wait"]: + atomic_write(io_db["path_record"], io_db["record_chunk"], + do_append=True) + if world_db["WORLD_ACTIVE"]: + 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 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 try_worldstate_update(): + """Write worldstate file if io_db["worldstate_updateable"] is set.""" + from server.config.commands import commands_db + if io_db["worldstate_updateable"]: + + 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)) + ord_v = ord("v") + for pos in [pos for pos in range(length ** 2) + if ord_v == world_db["Things"][0]["fovmap"][pos]]: + fov[pos] = world_db["MAP"][pos] + length = world_db["MAP_LENGTH"] + for id in [id for tid in reversed(sorted(list(world_db["ThingTypes"]))) + for id in world_db["Things"] + if not world_db["Things"][id]["carried"] + if world_db["Things"][id]["T_TYPE"] == tid + if world_db["Things"][0]["fovmap"][ + world_db["Things"][id]["T_POSY"] * length + + world_db["Things"][id]["T_POSX"]] == ord_v]: + type = world_db["Things"][id]["T_TYPE"] + c = ord(world_db["ThingTypes"][type]["TT_SYMBOL"]) + fov[world_db["Things"][id]["T_POSY"] * length + + world_db["Things"][id]["T_POSX"]] = c + string = write_map(string, fov) + mem = world_db["Things"][0]["T_MEMMAP"][:] + for mt in [mt for tid in reversed(sorted(list(world_db["ThingTypes"]))) + for mt in world_db["Things"][0]["T_MEMTHING"] + if mt[0] == tid]: + 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 diff --git a/server/utils.py b/server/utils.py new file mode 100644 index 0000000..22e2454 --- /dev/null +++ b/server/utils.py @@ -0,0 +1,105 @@ +import ctypes + + +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()) + + +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 integer_test(val_string, min, max=None): + """Return val_string if integer >= min & (if max set) <= max, else None.""" + try: + val = int(val_string) + if val < min or (max is not None and val > max): + raise ValueError + return val + except ValueError: + msg = "Ignoring: Please use integer >= " + str(min) + if max is not None: + msg += " and <= " + str(max) + msg += "." + print(msg) + return None + + +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, else the new object's ID. + """ + from server.config.world_data import world_db + 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 prep_library(): + """Prepare ctypes library at ./libplomrogue.so""" + import os + libpath = ("./libplomrogue.so") + if not os.access(libpath, os.F_OK): + raise SystemExit("No library " + libpath + ", run ./build.sh first?") + libpr = ctypes.cdll.LoadLibrary(libpath) + libpr.seed_rrand.restype = ctypes.c_uint32 + return libpr + + +def c_pointer_to_bytearray(ba): + """Return C char * pointer to ba.""" + type = ctypes.c_char * len(ba) + return type.from_buffer(ba) + + +def parse_command_line_arguments(): + """Return settings values read from command line arguments.""" + import argparse + 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 + + +libpr = prep_library() +rand = RandomnessIO() +opts = parse_command_line_arguments() diff --git a/server/world.py b/server/world.py new file mode 100644 index 0000000..f31c3a6 --- /dev/null +++ b/server/world.py @@ -0,0 +1,347 @@ +from server.config.world_data import world_db +from server.io import log +from server.utils import rand, libpr, c_pointer_to_bytearray +from server.utils import id_setter + + +def thingproliferation(t, prol_map): + """To chance of 1/TT_PROLIFERATE, create t offspring in open neighbor cell. + + Naturally only works with TT_PROLIFERATE > 0. The neighbor cell must be be + marked '.' in prol_map. If there are several map cell candidates, one is + selected randomly. + """ + from server.config.world_data import directions_db + from server.utils import mv_yx_in_dir_legal + 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 sorted(directions_db.keys())]: + mv_result = mv_yx_in_dir_legal(dir, t["T_POSY"], t["T_POSX"]) + if mv_result[0] and ord('.') == prol_map[mv_result[1] + * world_db["MAP_LENGTH"] + + 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 update_map_memory(t, age_map=True): + """Update t's T_MEMMAP with what's in its FOV now,age its T_MEMMEPTHMAP.""" + + def age_some_memdepthmap_on_nonfov_cells(): + # OUTSOURCED FOR PERFORMANCE REASONS TO libplomrogue.so: + # ord_v = ord("v") + # ord_0 = ord("0") + # ord_9 = ord("9") + # for pos in [pos for pos in range(world_db["MAP_LENGTH"] ** 2) + # if not ord_v == t["fovmap"][pos] + # if ord_0 <= t["T_MEMDEPTHMAP"][pos] + # if ord_9 > t["T_MEMDEPTHMAP"][pos] + # if not rand.next() % (2 ** + # (t["T_MEMDEPTHMAP"][pos] - 48))]: + # t["T_MEMDEPTHMAP"][pos] += 1 + memdepthmap = c_pointer_to_bytearray(t["T_MEMDEPTHMAP"]) + fovmap = c_pointer_to_bytearray(t["fovmap"]) + libpr.age_some_memdepthmap_on_nonfov_cells(memdepthmap, fovmap) + + 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") + 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 + t["T_MEMMAP"][pos] = world_db["MAP"][pos] + if age_map: + age_some_memdepthmap_on_nonfov_cells() + t["T_MEMTHING"] = [mt for mt in t["T_MEMTHING"] + if ord_v != t["fovmap"][(mt[1] * world_db["MAP_LENGTH"]) + + mt[2]]] + 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 ord_v == t["fovmap"][(y * world_db["MAP_LENGTH"]) + x]: + t["T_MEMTHING"].append((type, y, x)) + + +def build_fov_map(t): + """Build Thing's FOV map.""" + t["fovmap"] = bytearray(b'v' * (world_db["MAP_LENGTH"] ** 2)) + fovmap = c_pointer_to_bytearray(t["fovmap"]) + map = c_pointer_to_bytearray(world_db["MAP"]) + if libpr.build_fov_map(t["T_POSY"], t["T_POSX"], fovmap, map): + raise RuntimeError("Malloc error in build_fov_Map().") + + +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 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. + Dying actors drop all their things. + """ + t["T_LIFEPOINTS"] -= 1 + if 0 == t["T_LIFEPOINTS"]: + for id in t["T_CARRIES"]: + t["T_CARRIES"].remove(id) + world_db["Things"][id]["T_POSY"] = t["T_POSY"] + world_db["Things"][id]["T_POSX"] = t["T_POSX"] + world_db["Things"][id]["carried"] = False + 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)) + log("You die.") + log("See README on how to start over.") + else: + t["fovmap"] = False + t["T_MEMMAP"] = False + t["T_MEMDEPTHMAP"] = False + t["T_MEMTHING"] = [] + + +def try_healing(t): + """If t's HP < max, increment them if well-nourished, maybe waiting.""" + if t["T_LIFEPOINTS"] < \ + world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"]: + wait_id = [id for id in world_db["ThingActions"] + if world_db["ThingActions"][id]["TA_NAME"] == "wait"][0] + wait_divider = 8 if t["T_COMMAND"] == wait_id else 1 + testval = int(abs(t["T_SATIATION"]) / wait_divider) + if (testval <= 1 or 1 == (rand.next() % testval)): + t["T_LIFEPOINTS"] += 1 + if t == world_db["Things"][0]: + log("You HEAL.") + + +def hunger_per_turn(type_id): + """The amount of satiation score lost per turn for things of given type.""" + import math + return int(math.sqrt(world_db["ThingTypes"][type_id]["TT_LIFEPOINTS"])) + + +def hunger(t): + """Decrement t's satiation,dependent on it trigger lifepoint dec chance.""" + if t["T_SATIATION"] > -32768: + t["T_SATIATION"] -= hunger_per_turn(t["T_TYPE"]) + if 0 != t["T_SATIATION"] and 0 == int(rand.next() / abs(t["T_SATIATION"])): + if t == world_db["Things"][0]: + if t["T_SATIATION"] < 0: + log("You SUFFER from hunger.") + else: + log("You SUFFER from over-eating.") + decrement_lifepoints(t) + + +def set_world_inactive(): + """Set world_db["WORLD_ACTIVE"] to 0 and remove worldstate file.""" + from server.io import safely_remove_worldstate_file + safely_remove_worldstate_file() + world_db["WORLD_ACTIVE"] = 0 + + +def make_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 + + 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 + # This all-too-precise replica of the original C code misses iter_limit(). + + +def make_world(seed): + """(Re-)build game world, i.e. map, things, to a new turn 1 from seed. + + Seed rand with seed. Do more only with a "wait" ThingAction and + world["PLAYER_TYPE"] matching ThingType of TT_START_NUMBER > 0. Then, + world_db["Things"] emptied, call make_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) + + rand.seed = seed + 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: 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"] = {} + make_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()) + if not world_db["Things"][0]["fovmap"]: + empty_fovmap = bytearray(b" " * world_db["MAP_LENGTH"] ** 2) + world_db["Things"][0]["fovmap"] = empty_fovmap + 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()) + from server.config.io import io_db + from server.io import strong_write + strong_write(io_db["file_out"], "NEW_WORLD\n") + + +def turn_over(): + """Run game world and its inhabitants until new player input expected.""" + from server.config.actions import action_db + from server.ai import ai + id = 0 + whilebreaker = False + while world_db["Things"][0]["T_LIFEPOINTS"]: + proliferable_map = world_db["MAP"][:] + for id in [id for id in world_db["Things"] + if not world_db["Things"][id]["carried"]]: + y = world_db["Things"][id]["T_POSY"] + x = world_db["Things"][id]["T_POSX"] + proliferable_map[y * world_db["MAP_LENGTH"] + x] = ord('X') + 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) + hunger(Thing) + if Thing["T_LIFEPOINTS"]: + 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"]: + action = action_db["actor_" + ThingAction["TA_NAME"]] + action(Thing) + #eval("actor_" + ThingAction["TA_NAME"])(Thing) + Thing["T_COMMAND"] = 0 + Thing["T_PROGRESS"] = 0 + thingproliferation(Thing, proliferable_map) + if whilebreaker: + break + world_db["TURN"] += 1