import shlex
import shutil
import time
+import ctypes
+
+
+class RandomnessIO:
+ """"Interface to libplomrogue's pseudo-randomness generator."""
+
+ def set_seed(self, seed):
+ libpr.seed_rrand(1, seed)
+
+ def get_seed(self):
+ return libpr.seed_rrand(0, 0)
+
+ def next(self):
+ return libpr.rrand()
+
+ seed = property(get_seed, set_seed)
+
+
+def prep_library():
+ """Prepare ctypes library at ./libplomrogue.so"""
+ libpath = ("./libplomrogue.so")
+ if not os.access(libpath, os.F_OK):
+ raise SystemExit("No library " + libpath + ", run ./compile.sh first?")
+ libpr = ctypes.cdll.LoadLibrary(libpath)
+ libpr.seed_rrand.argtypes = [ctypes.c_uint8, ctypes.c_uint32]
+ libpr.seed_rrand.restype = ctypes.c_uint32
+ libpr.rrand.argtypes = []
+ libpr.rrand.restype = ctypes.c_uint16
+ libpr.set_maplength.argtypes = [ctypes.c_uint16]
+ libpr.mv_yx_in_dir_legal_wrap.argtypes = [ctypes.c_char, ctypes.c_uint8,
+ ctypes.c_uint8]
+ libpr.mv_yx_in_dir_legal_wrap.restype = ctypes.c_uint8
+ libpr.result_y.restype = ctypes.c_uint8
+ libpr.result_x.restype = ctypes.c_uint8
+ libpr.set_maplength(world_db["MAP_LENGTH"])
+ return libpr
+
+
+def strong_write(file, string):
+ """Apply write(string), flush(), and os.fsync() to file."""
+ file.write(string)
+ file.flush()
+ os.fsync(file)
def setup_server_io():
io_db["teststring"] = str(os.getpid()) + " " + str(time.time())
os.makedirs(io_db["path_server"], exist_ok=True)
io_db["file_out"] = open(io_db["path_out"], "w")
- io_db["file_out"].write(io_db["teststring"] + "\n")
- io_db["file_out"].flush()
+ 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")
def obey(command, prefix, replay=False, do_record=False):
"""Call function from commands_db mapped to command's first token.
- The command string is tokenized by shlex.split(comments=True). If replay is
- set, a non-meta command from the commands_db merely triggers obey() on the
- next command from the records file. If not, and do do_record is set,
- non-meta commands are recorded via record(), and save_world() is called.
+ Tokenize command string with shlex.split(comments=True). If replay is set,
+ a non-meta command from the commands_db merely triggers obey() on the next
+ command from the records file. If not, non-meta commands set
+ io_db["worldstate_updateable"] to world_db["WORLD_EXISTS"], and, if
+ do_record is set, are recorded via record(), and save_world() is called.
The prefix string is inserted into the server's input message between its
beginning 'input ' & ':'. All activity is preceded by a server_test() call.
"""
print("Can't tokenize command string: " + str(err) + ".")
return
if len(tokens) > 0 and tokens[0] in commands_db \
- and len(tokens) >= commands_db[tokens[0]][0] + 1:
+ and len(tokens) == commands_db[tokens[0]][0] + 1:
if commands_db[tokens[0]][1]:
- commands_db[tokens[0]][2]()
+ commands_db[tokens[0]][2](*tokens[1:])
elif replay:
print("Due to replay mode, reading command as 'go on in record'.")
line = io_db["file_record"].readline()
if do_record:
record(command)
save_world()
- else:
+ io_db["worldstate_updateable"] = world_db["WORLD_ACTIVE"]
+ elif 0 != len(tokens):
print("Invalid command/argument, or bad number of tokens.")
if os.access(path, os.F_OK):
shutil.copyfile(path, path_tmp)
file = open(path_tmp, mode)
- file.write(text)
- file.flush()
- os.fsync(file.fileno())
+ strong_write(file, text)
file.close()
if os.access(path, os.F_OK):
os.remove(path)
def save_world():
- # Dummy for saving all commands to reconstruct current world state.
- # Misses same optimizations as record() from the original record().
- atomic_write(io_db["path_save"],
- "TURN " + str(world_db["TURN"]) + "\n" +
- "SEED_RANDOMNESS " + str(world_db["SEED_RANDOMNESS"]) + "\n" +
- "SEED_MAP " + str(world_db["SEED_MAP"]) + "\n")
+ """Save all commands needed to reconstruct current world state."""
+ # TODO: Misses same optimizations as record() from the original record().
+
+ def quote(string):
+ string = string.replace("\u005C", '\u005C\u005C')
+ return '"' + string.replace('"', '\u005C"') + '"'
+
+ def mapsetter(key):
+ def helper(id):
+ string = ""
+ if world_db["Things"][id][key]:
+ map = world_db["Things"][id][key]
+ length = world_db["MAP_LENGTH"]
+ for i in range(length):
+ line = map[i * length:(i * length) + length].decode()
+ string = string + key + " " + str(i) + " " + quote(line) \
+ + "\n"
+ return string
+ return helper
+
+ def memthing(id):
+ string = ""
+ for memthing in world_db["Things"][id]["T_MEMTHING"]:
+ string = string + "T_MEMTHING " + str(memthing[0]) + " " + \
+ str(memthing[1]) + " " + str(memthing[2]) + "\n"
+ return string
+
+ def helper(category, id_string, special_keys={}):
+ string = ""
+ for id in world_db[category]:
+ string = string + id_string + " " + str(id) + "\n"
+ for key in world_db[category][id]:
+ if not key in special_keys:
+ x = world_db[category][id][key]
+ argument = quote(x) if str == type(x) else str(x)
+ string = string + key + " " + argument + "\n"
+ elif special_keys[key]:
+ string = string + special_keys[key](id)
+ return string
+
+ string = ""
+ for key in world_db:
+ if dict != type(world_db[key]) and key != "MAP":
+ string = string + key + " " + str(world_db[key]) + "\n"
+ string = string + helper("ThingActions", "TA_ID")
+ string = string + helper("ThingTypes", "TT_ID", {"TT_CORPSE_ID": False})
+ for id in world_db["ThingTypes"]:
+ string = string + "TT_ID " + str(id) + "\n" + "TT_CORPSE_ID " + \
+ str(world_db["ThingTypes"][id]["TT_CORPSE_ID"]) + "\n"
+ string = string + helper("Things", "T_ID",
+ {"T_CARRIES": False, "carried": False,
+ "T_MEMMAP": mapsetter("T_MEMMAP"),
+ "T_MEMTHING": memthing, "fovmap": False,
+ "T_MEMDEPTHMAP": mapsetter("T_MEMDEPTHMAP")})
+ for id in world_db["Things"]:
+ if [] != world_db["Things"][id]["T_CARRIES"]:
+ string = string + "T_ID " + str(id) + "\n"
+ for carried_id in world_db["Things"][id]["T_CARRIES"]:
+ string = string + "T_CARRIES " + str(carried_id) + "\n"
+ string = string + "SEED_RANDOMNESS " + str(rand.seed) + "\n" + \
+ "WORLD_ACTIVE " + str(world_db["WORLD_ACTIVE"])
+ atomic_write(io_db["path_save"], string)
def obey_lines_in_file(path, name, do_record=False):
Keep building return string until a newline is encountered. Pause between
unsuccessful reads, and after too much waiting, run server_test().
"""
- wait_on_fail = 1
+ wait_on_fail = 0.03333
max_wait = 5
now = time.time()
command = ""
return command
+def try_worldstate_update():
+ """Write worldstate file if io_db["worldstate_updateable"] is set."""
+ if io_db["worldstate_updateable"]:
+
+ def draw_visible_Things(map, run):
+ for id in world_db["Things"]:
+ type = world_db["Things"][id]["T_TYPE"]
+ consumable = world_db["ThingTypes"][type]["TT_CONSUMABLE"]
+ alive = world_db["ThingTypes"][type]["TT_LIFEPOINTS"]
+ if (0 == run and not consumable and not alive) \
+ or (1 == run and consumable and not alive) \
+ or (2 == run and alive):
+ y = world_db["Things"][id]["T_POSY"]
+ x = world_db["Things"][id]["T_POSX"]
+ fovflag = world_db["Things"][0]["fovmap"][(y * length) + x]
+ if 'v' == chr(fovflag):
+ c = world_db["ThingTypes"][type]["TT_SYMBOL"]
+ map[(y * length) + x] = ord(c)
+
+ def write_map(string, map):
+ for i in range(length):
+ line = map[i * length:(i * length) + length].decode()
+ string = string + line + "\n"
+ return string
+
+ inventory = ""
+ if [] == world_db["Things"][0]["T_CARRIES"]:
+ inventory = "(none)\n"
+ else:
+ for id in world_db["Things"][0]["T_CARRIES"]:
+ type_id = world_db["Things"][id]["T_TYPE"]
+ name = world_db["ThingTypes"][type_id]["TT_NAME"]
+ inventory = inventory + name + "\n"
+ string = str(world_db["TURN"]) + "\n" + \
+ str(world_db["Things"][0]["T_LIFEPOINTS"]) + "\n" + \
+ str(world_db["Things"][0]["T_SATIATION"]) + "\n" + \
+ inventory + "%\n" + \
+ str(world_db["Things"][0]["T_POSY"]) + "\n" + \
+ str(world_db["Things"][0]["T_POSX"]) + "\n" + \
+ str(world_db["MAP_LENGTH"]) + "\n"
+ length = world_db["MAP_LENGTH"]
+ fov = bytearray(b' ' * (length ** 2))
+ for pos in range(length ** 2):
+ if 'v' == chr(world_db["Things"][0]["fovmap"][pos]):
+ fov[pos] = world_db["MAP"][pos]
+ for i in range(3):
+ draw_visible_Things(fov, i)
+ string = write_map(string, fov)
+ mem = world_db["Things"][0]["T_MEMMAP"][:]
+ for i in range(2):
+ for memthing in world_db["Things"][0]["T_MEMTHING"]:
+ type = world_db["Things"][memthing[0]]["T_TYPE"]
+ consumable = world_db["ThingTypes"][type]["TT_CONSUMABLE"]
+ if (i == 0 and not consumable) or (i == 1 and consumable):
+ c = world_db["ThingTypes"][type]["TT_SYMBOL"]
+ mem[(memthing[1] * length) + memthing[2]] = ord(c)
+ string = write_map(string, mem)
+ atomic_write(io_db["path_worldstate"], string)
+ strong_write(io_db["file_out"], "WORLD_UPDATED\n")
+ io_db["worldstate_updateable"] = False
+
+
def replay_game():
"""Replay game from record file.
Use opts.replay as breakpoint turn to which to replay automatically before
switching to manual input by non-meta commands in server input file
triggering further reads of record file. Ensure opts.replay is at least 1.
+ Run try_worldstate_update() before each interactive obey()/read_command().
"""
if opts.replay < 1:
opts.replay = 1
io_db["file_record"] = open(io_db["path_record"], "r")
io_db["file_record"].prefix = "record file line "
io_db["file_record"].line_n = 1
- while world_db["turn"] < opts.replay:
+ while world_db["TURN"] < opts.replay:
line = io_db["file_record"].readline()
if "" == line:
break
+ str(io_db["file_record"].line_n))
io_db["file_record"].line_n = io_db["file_record"].line_n + 1
while True:
+ try_worldstate_update()
obey(read_command(), "in file", replay=True)
If no save file is found, a new world is generated from the commands in the
world config plus a 'MAKE WORLD [current Unix timestamp]'. Record this
- command and all that follow via the server input file.
+ command and all that follow via the server input file. Run
+ try_worldstate_update() before each interactive obey()/read_command().
"""
if os.access(io_db["path_save"], os.F_OK):
obey_lines_in_file(io_db["path_save"], "save")
do_record=True)
obey("MAKE_WORLD " + str(int(time.time())), "in file", do_record=True)
while True:
+ try_worldstate_update()
obey(read_command(), "in file", do_record=True)
+def remake_map():
+ """(Re-)make island map.
+
+ Let "~" represent water, "." land, "X" trees: Build island shape randomly,
+ start with one land cell in the middle, then go into cycle of repeatedly
+ selecting a random sea cell and transforming it into land if it is neighbor
+ to land. The cycle ends when a land cell is due to be created at the map's
+ border. Then put some trees on the map (TODO: more precise algorithm desc).
+ """
+ def is_neighbor(coordinates, type):
+ y = coordinates[0]
+ x = coordinates[1]
+ length = world_db["MAP_LENGTH"]
+ ind = y % 2
+ diag_west = x + (ind > 0)
+ diag_east = x + (ind < (length - 1))
+ pos = (y * length) + x
+ if (y > 0 and diag_east
+ and type == chr(world_db["MAP"][pos - length + ind])) \
+ or (x < (length - 1)
+ and type == chr(world_db["MAP"][pos + 1])) \
+ or (y < (length - 1) and diag_east
+ and type == chr(world_db["MAP"][pos + length + ind])) \
+ or (y > 0 and diag_west
+ and type == chr(world_db["MAP"][pos - length - (not ind)])) \
+ or (x > 0
+ and type == chr(world_db["MAP"][pos - 1])) \
+ or (y < (length - 1) and diag_west
+ and type == chr(world_db["MAP"][pos + length - (not ind)])):
+ return True
+ return False
+ store_seed = rand.seed
+ world_db["MAP"] = bytearray(b'~' * (world_db["MAP_LENGTH"] ** 2))
+ length = world_db["MAP_LENGTH"]
+ add_half_width = (not (length % 2)) * int(length / 2)
+ world_db["MAP"][int((length ** 2) / 2) + add_half_width] = ord(".")
+ while (1):
+ y = rand.next() % length
+ x = rand.next() % length
+ pos = (y * length) + x
+ if "~" == chr(world_db["MAP"][pos]) and is_neighbor((y, x), "."):
+ if y == 0 or y == (length - 1) or x == 0 or x == (length - 1):
+ break
+ world_db["MAP"][pos] = ord(".")
+ n_trees = int((length ** 2) / 16)
+ i_trees = 0
+ while (i_trees <= n_trees):
+ single_allowed = rand.next() % 32
+ y = rand.next() % length
+ x = rand.next() % length
+ pos = (y * length) + x
+ if "." == chr(world_db["MAP"][pos]) \
+ and ((not single_allowed) or is_neighbor((y, x), "X")):
+ world_db["MAP"][pos] = ord("X")
+ i_trees += 1
+ rand.seed = store_seed
+ # This all-too-precise replica of the original C code misses iter_limit().
+
+
+def update_map_memory(t):
+ """Update t's T_MEMMAP with what's in its FOV now,age its T_MEMMEPTHMAP."""
+ if not t["T_MEMMAP"]:
+ t["T_MEMMAP"] = bytearray(b' ' * (world_db["MAP_LENGTH"] ** 2))
+ if not t["T_MEMDEPTHMAP"]:
+ t["T_MEMDEPTHMAP"] = bytearray(b' ' * (world_db["MAP_LENGTH"] ** 2))
+ for pos in range(world_db["MAP_LENGTH"] ** 2):
+ if "v" == chr(t["fovmap"][pos]):
+ t["T_MEMDEPTHMAP"][pos] = ord("0")
+ if " " == chr(t["T_MEMMAP"][pos]):
+ t["T_MEMMAP"][pos] = world_db["MAP"][pos]
+ continue
+ # TODO: Aging of MEMDEPTHMAP.
+ for memthing in t["T_MEMTHING"]:
+ y = world_db["Things"][memthing[0]]["T_POSY"]
+ x = world_db["Things"][memthing[0]]["T_POSX"]
+ if "v" == chr(t["fovmap"][(y * world_db["MAP_LENGTH"]) + x]):
+ t["T_MEMTHING"].remove(memthing)
+ for id in world_db["Things"]:
+ 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_POSY"]
+ if "v" == chr(t["fovmap"][(y * world_db["MAP_LENGTH"]) + x]):
+ t["T_MEMTHING"].append((type, y, x))
+
+
+def set_world_inactive():
+ """Set world_db["WORLD_ACTIVE"] to 0 and remove worldstate file."""
+ server_test()
+ if os.access(io_db["path_worldstate"], os.F_OK):
+ os.remove(io_db["path_worldstate"])
+ world_db["WORLD_ACTIVE"] = 0
+
+
+def integer_test(val_string, min, max):
+ """Return val_string if possible integer >= min and <= max, else None."""
+ try:
+ val = int(val_string)
+ if val < min or val > max:
+ raise ValueError
+ return val
+ except ValueError:
+ print("Ignoring: Please use integer >= " + str(min) + " and <= " +
+ str(max) + ".")
+ return None
+
+
+def setter(category, key, min, max):
+ """Build setter for world_db([category + "s"][id])[key] to >=min/<=max."""
+ if category is None:
+ def f(val_string):
+ val = integer_test(val_string, min, max)
+ if None != val:
+ world_db[key] = val
+ else:
+ if category == "Thing":
+ id_store = command_tid
+ decorator = test_Thing_id
+ elif category == "ThingType":
+ id_store = command_ttid
+ decorator = test_ThingType_id
+ elif category == "ThingAction":
+ id_store = command_taid
+ decorator = test_ThingAction_id
+
+ @decorator
+ def f(val_string):
+ val = integer_test(val_string, min, max)
+ if None != val:
+ world_db[category + "s"][id_store.id][key] = val
+ return f
+
+
+def build_fov_map(t):
+ """Build Thing's FOV map."""
+ t["fovmap"] = bytearray(b'v' * (world_db["MAP_LENGTH"] ** 2))
+ # DUMMY so far. Just builds an all-visible map.
+
+
+def decrement_lifepoints(t):
+ """Decrement t's lifepoints by 1, and if to zero, corpse it.
+
+ If t is the player avatar, only blank its fovmap, so that the client may
+ still display memory data. On non-player things, erase fovmap and memory.
+ """
+ t["T_LIFEPOINTS"] -= 1
+ if 0 == t["T_LIFEPOINTS"]:
+ t["T_TYPE"] = world_db["ThingTypes"][t["T_TYPE"]]["TT_CORPSE_ID"]
+ if world_db["Things"][0] == t:
+ t["fovmap"] = bytearray(b' ' * (world_db["MAP_LENGTH"] ** 2))
+ strong_write(io_db["file_out"], "LOG You die.\n")
+ else:
+ t["fovmap"] = False
+ t["T_MEMMAP"] = False
+ t["T_MEMDEPTHMAP"] = False
+ t["T_MEMTHING"] = []
+ strong_write(io_db["file_out"], "LOG It dies.\n")
+
+
+def actor_wait(t):
+ """Make t do nothing (but loudly, if player avatar)."""
+ if t == world_db["Things"][0]:
+ strong_write(io_db["file_out"], "LOG You wait.\n")
+
+
+def actor_move(t):
+ """If passable, move/collide(=attack) thing into T_ARGUMENT's direction."""
+ dir_c = t["T_ARGUMENT"].encode("ascii")[0]
+ legal_move = libpr.mv_yx_in_dir_legal_wrap(dir_c, t["T_POSY"], t["T_POSX"])
+ passable = False
+ if -1 == legal_move:
+ raise SystemExit("Too much wrapping in mv_yx_in_dir_legal_wrap()!")
+ elif 1 == legal_move:
+ pos = (libpr.result_y() * world_db["MAP_LENGTH"]) + libpr.result_x()
+ passable = "." == chr(world_db["MAP"][pos])
+ hitted = [id for id in world_db["Things"]
+ if world_db["Things"][id] != t
+ if world_db["Things"][id]["T_LIFEPOINTS"]
+ if world_db["Things"][id]["T_POSY"] == libpr.result_y()
+ if world_db["Things"][id]["T_POSX"] == libpr.result_x()]
+ if len(hitted):
+ hit_id = hitted[0]
+ hitter_name = world_db["ThingTypes"][t["T_TYPE"]]["TT_NAME"]
+ hitter = "You" if t == world_db["Things"][0] else hitter_name
+ hitted_type = world_db["Things"][hit_id]["T_TYPE"]
+ hitted_name = world_db["ThingTypes"][hitted_type]["TT_NAME"]
+ hitted = "you" if hit_id == 0 else hitted_name
+ verb = " wound " if hitter == "You" else " wounds "
+ strong_write(io_db["file_out"], "LOG " + hitter + verb + hitted + \
+ ".\n")
+ decrement_lifepoints(world_db["Things"][hit_id])
+ return
+ dir = [dir for dir in directions_db
+ if directions_db[dir] == t["T_ARGUMENT"]][0]
+ if passable:
+ t["T_POSY"] = libpr.result_y()
+ t["T_POSX"] = libpr.result_x()
+ for id in t["T_CARRIES"]:
+ world_db["Things"][id]["T_POSY"] = libpr.result_y()
+ world_db["Things"][id]["T_POSX"] = libpr.result_x()
+ build_fov_map(t)
+ strong_write(io_db["file_out"], "LOG You move " + dir + ".\n")
+ else:
+ strong_write(io_db["file_out"], "LOG You fail to move " + dir + ".\n")
+
+
+def actor_pick_up(t):
+ """Make t pick up (topmost?) Thing from ground into inventory."""
+ # Topmostness is actually not defined so far.
+ 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):
+ world_db["Things"][ids[0]]["carried"] = True
+ t["T_CARRIES"].append(ids[0])
+ if t == world_db["Things"][0]:
+ strong_write(io_db["file_out"], "LOG You pick up an object.\n")
+ elif t == world_db["Things"][0]:
+ err = "You try to pick up an object, but there is none."
+ strong_write(io_db["file_out"], "LOG " + err + "\n")
+
+
+def actor_drop(t):
+ """Make t rop Thing from inventory to ground indexed by T_ARGUMENT."""
+ # TODO: Handle case where T_ARGUMENT matches nothing.
+ if len(t["T_CARRIES"]):
+ id = t["T_CARRIES"][t["T_ARGUMENT"]]
+ t["T_CARRIES"].remove(id)
+ world_db["Things"][id]["carried"] = False
+ if t == world_db["Things"][0]:
+ strong_write(io_db["file_out"], "LOG You drop an object.\n")
+ elif t == world_db["Things"][0]:
+ err = "You try to drop an object, but you own none."
+ strong_write(io_db["file_out"], "LOG " + err + "\n")
+
+
+def actor_use(t):
+ """Make t use (for now: consume) T_ARGUMENT-indexed Thing in inventory."""
+ # Original wrongly featured lifepoints increase through consumable!
+ # TODO: Handle case where T_ARGUMENT matches nothing.
+ if len(t["T_CARRIES"]):
+ id = t["T_CARRIES"][t["T_ARGUMENT"]]
+ type = world_db["Things"][id]["T_TYPE"]
+ if world_db["ThingTypes"][type]["TT_CONSUMABLE"]:
+ t["T_CARRIES"].remove(id)
+ del world_db["Things"][id]
+ t["T_SATIATION"] += world_db["ThingTypes"][type]["TT_CONSUMABLE"]
+ strong_write(io_db["file_out"], "LOG You consume this object.\n")
+ else:
+ strong_write(io_db["file_out"], "LOG You try to use this object," +
+ "but fail.\n")
+ else:
+ strong_write(io_db["file_out"], "LOG You try to use an object, but " +
+ "you own none.\n")
+
+
+def turn_over():
+ """Run game world and its inhabitants until new player input expected."""
+ id = 0
+ whilebreaker = False
+ while world_db["Things"][0]["T_LIFEPOINTS"]:
+ for id in [id for id in world_db["Things"]
+ if world_db["Things"][id]["T_LIFEPOINTS"]]:
+ Thing = world_db["Things"][id]
+ if Thing["T_LIFEPOINTS"]:
+ if not Thing["T_COMMAND"]:
+ update_map_memory(Thing)
+ if 0 == id:
+ whilebreaker = True
+ break
+ # DUMMY: ai(thing)
+ Thing["T_COMMAND"] = 1
+ # DUMMY: try_healing
+ 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
+ # DUMMY: hunger
+ # DUMMY: thingproliferation
+ 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 and <= 255, else >= -32768 and <=
+ 32767), but <0 or (if start_at_1) <1, calculate new ID: lowest unused ID
+ >=0 or (if start_at_1) >= 1, and <= 255. None is always returned when no
+ new object is created, otherwise the new object's ID.
+ """
+ min = 0 if start_at_1 else -32768
+ max = 255 if start_at_1 else 32767
+ if str == type(id):
+ id = integer_test(id, min, max)
+ 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 or id > 255)):
+ id = -1
+ while 1:
+ id = id + 1
+ if id not in world_db[category]:
+ break
+ if id > 255:
+ print("Ignoring: "
+ "No unused ID available to add to ID list.")
+ return None
+ if id_store:
+ id_store.id = id
+ return id
+
+
def command_ping():
"""Send PONG line to server output file."""
- io_db["file_out"].write("PONG\n")
- io_db["file_out"].flush()
+ strong_write(io_db["file_out"], "PONG\n")
def command_quit():
raise SystemExit("received QUIT command")
-def command_turn(turn_string):
- """Set turn to what's described in turn_string."""
- try:
- turn = int(turn_string)
- min = 0
- max = 65535
- if turn < min or turn > max:
- raise ValueError
- world_db["TURN"] = turn
- except ValueError:
- print("Ignoring: Please use integer >= " + str(min) + " and <= " +
- "str(max)+ '.")
+def command_thingshere(str_y, str_x):
+ """Write to out file list of Things known to player at coordinate y, x."""
+ def write_thing_if_here():
+ if y == world_db["Things"][id]["T_POSY"] \
+ and x == world_db["Things"][id]["T_POSX"] \
+ and not world_db["Things"][id]["carried"]:
+ type = world_db["Things"][id]["T_TYPE"]
+ name = world_db["ThingTypes"][type]["TT_NAME"]
+ strong_write(io_db["file_out"], name + "\n")
+ if world_db["WORLD_ACTIVE"]:
+ y = integer_test(str_y, 0, 255)
+ x = integer_test(str_x, 0, 255)
+ length = world_db["MAP_LENGTH"]
+ if None != y and None != x and y < length and x < length:
+ pos = (y * world_db["MAP_LENGTH"]) + x
+ strong_write(io_db["file_out"], "THINGS_HERE START\n")
+ if "v" == chr(world_db["Things"][0]["fovmap"][pos]):
+ for id in world_db["Things"]:
+ write_thing_if_here()
+ else:
+ for id in world_db["Things"]["T_MEMTHING"]:
+ write_thing_if_here()
+ strong_write(io_db["file_out"], "THINGS_HERE END\n")
+ else:
+ print("Ignoring: Invalid map coordinates.")
+ else:
+ print("Ignoring: Command only works on existing worlds.")
+
+
+def play_commander(action, args=False):
+ """Setter for player's T_COMMAND and T_ARGUMENT, then calling turn_over().
+
+ T_ARGUMENT is set to direction char if action=="wait",or 8-bit int if args.
+ """
+
+ def set_command():
+ id = [x for x in world_db["ThingActions"]
+ if world_db["ThingActions"][x]["TA_NAME"] == action][0]
+ world_db["Things"][0]["T_COMMAND"] = id
+ turn_over()
+
+ def set_command_and_argument_int(str_arg):
+ val = integer_test(str_arg, 0, 255)
+ if None != val:
+ world_db["Things"][0]["T_ARGUMENT"] = val
+ set_command()
+
+ def set_command_and_argument_movestring(str_arg):
+ if str_arg in directions_db:
+ world_db["Things"][0]["T_ARGUMENT"] = directions_db[str_arg]
+ set_command()
+ else:
+ print("Ignoring: Argument must be valid direction string.")
+
+ if action == "move":
+ return set_command_and_argument_movestring
+ elif args:
+ return set_command_and_argument_int
+ else:
+ return set_command
+
+
+def command_seedrandomness(seed_string):
+ """Set rand seed to int(seed_string)."""
+ val = integer_test(seed_string, 0, 4294967295)
+ if None != val:
+ rand.seed = val
+
+
+def command_seedmap(seed_string):
+ """Set world_db["SEED_MAP"] to int(seed_string), then (re-)make map."""
+ setter(None, "SEED_MAP", 0, 4294967295)(seed_string)
+ remake_map()
def command_makeworld(seed_string):
- # Mere dummy so far.
- try:
- seed = int(seed_string)
- min = 0
- max = 4294967295
- if seed < min or seed > max:
- raise ValueError
- world_db["SEED_RANDOMNESS"] = seed
- world_db["SEED_MAP"] = seed
- except ValueError:
- print("Ignoring: Please use integer >= " + str(min) + " and <= " +
- "str(max) '.")
+ """(Re-)build game world, i.e. map, things, to a new turn 1 from seed.
+
+ Seed rand with seed, fill it into world_db["SEED_MAP"]. Do more only with a
+ "wait" ThingAction and world["PLAYER_TYPE"] matching ThingType of
+ TT_START_NUMBER > 0. Then, world_db["Things"] emptied, call remake_map()
+ and set world_db["WORLD_ACTIVE"], world_db["TURN"] to 1. Build new Things
+ according to ThingTypes' TT_START_NUMBERS, with Thing of ID 0 to ThingType
+ of ID = world["PLAYER_TYPE"]. Place Things randomly, and actors not on each
+ other. Init player's memory map. Write "NEW_WORLD" line to out file.
+ """
+
+ def free_pos():
+ i = 0
+ while 1:
+ err = "Space to put thing on too hard to find. Map too small?"
+ while 1:
+ y = rand.next() % world_db["MAP_LENGTH"]
+ x = rand.next() % world_db["MAP_LENGTH"]
+ if "." == chr(world_db["MAP"][y * world_db["MAP_LENGTH"] + x]):
+ break
+ i += 1
+ if i == 65535:
+ raise SystemExit(err)
+ # Replica of C code, wrongly ignores animatedness of new Thing.
+ pos_clear = (0 == len([id for id in world_db["Things"]
+ if world_db["Things"][id]["T_LIFEPOINTS"]
+ if world_db["Things"][id]["T_POSY"] == y
+ if world_db["Things"][id]["T_POSX"] == x]))
+ if pos_clear:
+ break
+ return (y, x)
+
+ val = integer_test(seed_string, 0, 4294967295)
+ if None == val:
+ return
+ rand.seed = val
+ world_db["SEED_MAP"] = val
+ player_will_be_generated = False
+ playertype = world_db["PLAYER_TYPE"]
+ for ThingType in world_db["ThingTypes"]:
+ if playertype == ThingType:
+ if 0 < world_db["ThingTypes"][ThingType]["TT_START_NUMBER"]:
+ player_will_be_generated = True
+ break
+ if not player_will_be_generated:
+ print("Ignoring beyond SEED_MAP: " +
+ "No player type with start number >0 defined.")
+ return
+ wait_action = False
+ for ThingAction in world_db["ThingActions"]:
+ if "wait" == world_db["ThingActions"][ThingAction]["TA_NAME"]:
+ wait_action = True
+ if not wait_action:
+ print("Ignoring beyond SEED_MAP: " +
+ "No thing action with name 'wait' defined.")
+ return
+ world_db["Things"] = {}
+ remake_map()
+ world_db["WORLD_ACTIVE"] = 1
+ world_db["TURN"] = 1
+ for i in range(world_db["ThingTypes"][playertype]["TT_START_NUMBER"]):
+ id = id_setter(-1, "Things")
+ world_db["Things"][id] = new_Thing(playertype, free_pos())
+ update_map_memory(world_db["Things"][0])
+ for type in world_db["ThingTypes"]:
+ for i in range(world_db["ThingTypes"][type]["TT_START_NUMBER"]):
+ if type != playertype:
+ id = id_setter(-1, "Things")
+ world_db["Things"][id] = new_Thing(type, free_pos())
+ strong_write(io_db["file_out"], "NEW_WORLD\n")
+
+
+def command_maplength(maplength_string):
+ """Redefine map length. Invalidate map, therefore lose all things on it."""
+ val = integer_test(maplength_string, 1, 256)
+ if None != val:
+ world_db["MAP_LENGTH"] = val
+ set_world_inactive()
+ world_db["Things"] = {}
+ libpr.set_maplength(val)
+
+
+def command_worldactive(worldactive_string):
+ """Toggle world_db["WORLD_ACTIVE"] if possible.
+
+ An active world can always be set inactive. An inactive world can only be
+ set active with a "wait" ThingAction, and a player Thing (of ID 0). On
+ activation, rebuild all Things' FOVs, and the player's map memory.
+ """
+ # In original version, map existence was also tested (unnecessarily?).
+ val = integer_test(worldactive_string, 0, 1)
+ if val:
+ if 0 != world_db["WORLD_ACTIVE"]:
+ if 0 == val:
+ set_world_inactive()
+ else:
+ print("World already active.")
+ elif 0 == world_db["WORLD_ACTIVE"]:
+ wait_exists = False
+ for ThingAction in world_db["ThingActions"]:
+ if "wait" == world_db["ThingActions"][ThingAction]["TA_NAME"]:
+ wait_exists = True
+ break
+ player_exists = False
+ for Thing in world_db["Things"]:
+ if 0 == Thing:
+ player_exists = True
+ break
+ if wait_exists and player_exists:
+ for id in world_db["Things"]:
+ if world_db["Things"][id]["T_LIFEPOINTS"]:
+ build_fov_map(world_db["Things"][id])
+ if 0 == id:
+ update_map_memory(world_db["Things"][id])
+ world_db["WORLD_ACTIVE"] = 1
+
+
+def test_for_id_maker(object, category):
+ """Return decorator testing for object having "id" attribute."""
+ def decorator(f):
+ def helper(*args):
+ if hasattr(object, "id"):
+ f(*args)
+ else:
+ print("Ignoring: No " + category +
+ " defined to manipulate yet.")
+ return helper
+ return decorator
+
+
+def command_tid(id_string):
+ """Set ID of Thing to manipulate. ID unused? Create new one.
+
+ Default new Thing's type to the first available ThingType, others: zero.
+ """
+ id = id_setter(id_string, "Things", command_tid)
+ if None != id:
+ if world_db["ThingTypes"] == {}:
+ print("Ignoring: No ThingType to settle new Thing in.")
+ return
+ type = list(world_db["ThingTypes"].keys())[0]
+ world_db["Things"][id] = new_Thing(type)
+
+
+test_Thing_id = test_for_id_maker(command_tid, "Thing")
+
+
+@test_Thing_id
+def command_tcommand(str_int):
+ """Set T_COMMAND of selected Thing."""
+ val = integer_test(str_int, 0, 255)
+ if None != val:
+ if 0 == val or val in world_db["ThingActions"]:
+ world_db["Things"][command_tid.id]["T_COMMAND"] = val
+ else:
+ print("Ignoring: ThingAction ID belongs to no known ThingAction.")
+
+
+@test_Thing_id
+def command_ttype(str_int):
+ """Set T_TYPE of selected Thing."""
+ val = integer_test(str_int, 0, 255)
+ if None != val:
+ if val in world_db["ThingTypes"]:
+ world_db["Things"][command_tid.id]["T_TYPE"] = val
+ else:
+ print("Ignoring: ThingType ID belongs to no known ThingType.")
+
+
+@test_Thing_id
+def command_tcarries(str_int):
+ """Append int(str_int) to T_CARRIES of selected Thing.
+
+ The ID int(str_int) must not be of the selected Thing, and must belong to a
+ Thing with unset "carried" flag. Its "carried" flag will be set on owning.
+ """
+ val = integer_test(str_int, 0, 255)
+ if None != val:
+ if val == command_tid.id:
+ print("Ignoring: Thing cannot carry itself.")
+ elif val in world_db["Things"] \
+ and not world_db["Things"][val]["carried"]:
+ world_db["Things"][command_tid.id]["T_CARRIES"].append(val)
+ world_db["Things"][val]["carried"] = True
+ else:
+ print("Ignoring: Thing not available for carrying.")
+ # Note that the whole carrying structure is different from the C version:
+ # Carried-ness is marked by a "carried" flag, not by Things containing
+ # Things internally.
+
+
+@test_Thing_id
+def command_tmemthing(str_t, str_y, str_x):
+ """Add (int(str_t), int(str_y), int(str_x)) to selected Thing's T_MEMTHING.
+
+ The type must fit to an existing ThingType, and the position into the map.
+ """
+ type = integer_test(str_t, 0, 255)
+ posy = integer_test(str_y, 0, 255)
+ posx = integer_test(str_x, 0, 255)
+ if None != type and None != posy and None != posx:
+ if type not in world_db["ThingTypes"] \
+ or posy >= world_db["MAP_LENGTH"] or posx >= world_db["MAP_LENGTH"]:
+ print("Ignoring: Illegal value for thing type or position.")
+ else:
+ memthing = (type, posy, posx)
+ world_db["Things"][command_tid.id]["T_MEMTHING"].append(memthing)
+
+
+def setter_map(maptype):
+ """Set selected Thing's map of maptype's int(str_int)-th line to mapline.
+
+ If Thing has no map of maptype yet, initialize it with ' ' bytes first.
+ """
+ @test_Thing_id
+ def helper(str_int, mapline):
+ val = integer_test(str_int, 0, 255)
+ if None != val:
+ if val >= world_db["MAP_LENGTH"]:
+ print("Illegal value for map line number.")
+ elif len(mapline) != world_db["MAP_LENGTH"]:
+ print("Map line length is unequal map width.")
+ else:
+ length = world_db["MAP_LENGTH"]
+ map = None
+ if not world_db["Things"][command_tid.id][maptype]:
+ map = bytearray(b' ' * (length ** 2))
+ else:
+ map = world_db["Things"][command_tid.id][maptype]
+ map[val * length:(val * length) + length] = mapline.encode()
+ world_db["Things"][command_tid.id][maptype] = map
+ return helper
+
+
+def setter_tpos(axis):
+ """Generate setter for T_POSX or T_POSY of selected Thing.
+
+ If world is active, rebuilds animate things' fovmap, player's memory map.
+ """
+ @test_Thing_id
+ def helper(str_int):
+ val = integer_test(str_int, 0, 255)
+ if None != val:
+ if val < world_db["MAP_LENGTH"]:
+ world_db["Things"][command_tid.id]["T_POS" + axis] = val
+ if world_db["WORLD_ACTIVE"] \
+ and world_db["Things"][command_tid.id]["T_LIFEPOINTS"]:
+ build_fov_map(world_db["Things"][command_tid.id])
+ if 0 == command_tid.id:
+ update_map_memory(world_db["Things"][command_tid.id])
+ else:
+ print("Ignoring: Position is outside of map.")
+ return helper
+
+
+def command_ttid(id_string):
+ """Set ID of ThingType to manipulate. ID unused? Create new one.
+
+ Default new ThingType's TT_SYMBOL to "?", TT_CORPSE_ID to self, others: 0.
+ """
+ id = id_setter(id_string, "ThingTypes", command_ttid)
+ if None != id:
+ world_db["ThingTypes"][id] = {
+ "TT_NAME": "(none)",
+ "TT_CONSUMABLE": 0,
+ "TT_LIFEPOINTS": 0,
+ "TT_PROLIFERATE": 0,
+ "TT_START_NUMBER": 0,
+ "TT_SYMBOL": "?",
+ "TT_CORPSE_ID": id
+ }
+
+
+test_ThingType_id = test_for_id_maker(command_ttid, "ThingType")
+
+
+@test_ThingType_id
+def command_ttname(name):
+ """Set TT_NAME of selected ThingType."""
+ world_db["ThingTypes"][command_ttid.id]["TT_NAME"] = name
+
+
+@test_ThingType_id
+def command_ttsymbol(char):
+ """Set TT_SYMBOL of selected ThingType. """
+ if 1 == len(char):
+ world_db["ThingTypes"][command_ttid.id]["TT_SYMBOL"] = char
+ else:
+ print("Ignoring: Argument must be single character.")
+
+
+@test_ThingType_id
+def command_ttcorpseid(str_int):
+ """Set TT_CORPSE_ID of selected ThingType."""
+ val = integer_test(str_int, 0, 255)
+ if None != val:
+ if val in world_db["ThingTypes"]:
+ world_db["ThingTypes"][command_ttid.id]["TT_CORPSE_ID"] = val
+ else:
+ print("Ignoring: Corpse ID belongs to no known ThignType.")
+
+
+def command_taid(id_string):
+ """Set ID of ThingAction to manipulate. ID unused? Create new one.
+
+ Default new ThingAction's TA_EFFORT to 1, its TA_NAME to "wait".
+ """
+ id = id_setter(id_string, "ThingActions", command_taid, True)
+ if None != id:
+ world_db["ThingActions"][id] = {
+ "TA_EFFORT": 1,
+ "TA_NAME": "wait"
+ }
+
+
+test_ThingAction_id = test_for_id_maker(command_taid, "ThingAction")
+
+
+@test_ThingAction_id
+def command_taname(name):
+ """Set TA_NAME of selected ThingAction.
+
+ The name must match a valid thing action function. If after the name
+ setting no ThingAction with name "wait" remains, call set_world_inactive().
+ """
+ if name == "wait" or name == "move" or name == "use" or name == "drop" \
+ or name == "pick_up":
+ world_db["ThingActions"][command_taid.id]["TA_NAME"] = name
+ if 1 == world_db["WORLD_ACTIVE"]:
+ wait_defined = False
+ for id in world_db["ThingActions"]:
+ if "wait" == world_db["ThingActions"][id]["TA_NAME"]:
+ wait_defined = True
+ break
+ if not wait_defined:
+ set_world_inactive()
+ else:
+ print("Ignoring: Invalid action name.")
+ # In contrast to the original,naming won't map a function to a ThingAction.
"""Commands database.
-Map command start tokens to ([0]) minimum number of expected command arguments,
-([1]) the command's meta-ness (i.e. is it to be written to the record file, is
-it to be ignored in replay mode if read from server input file), and ([2]) a
-function to be called on it.
+Map command start tokens to ([0]) number of expected command arguments, ([1])
+the command's meta-ness (i.e. is it to be written to the record file, is it to
+be ignored in replay mode if read from server input file), and ([2]) a function
+to be called on it.
"""
commands_db = {
"QUIT": (0, True, command_quit),
"PING": (0, True, command_ping),
+ "THINGS_HERE": (2, True, command_thingshere),
"MAKE_WORLD": (1, False, command_makeworld),
- "TURN": (1, False, command_turn)
+ "SEED_MAP": (1, False, command_seedmap),
+ "SEED_RANDOMNESS": (1, False, command_seedrandomness),
+ "TURN": (1, False, setter(None, "TURN", 0, 65535)),
+ "PLAYER_TYPE": (1, False, setter(None, "PLAYER_TYPE", 0, 255)),
+ "MAP_LENGTH": (1, False, command_maplength),
+ "WORLD_ACTIVE": (1, False, command_worldactive),
+ "TA_ID": (1, False, command_taid),
+ "TA_EFFORT": (1, False, setter("ThingAction", "TA_EFFORT", 0, 255)),
+ "TA_NAME": (1, False, command_taname),
+ "TT_ID": (1, False, command_ttid),
+ "TT_NAME": (1, False, command_ttname),
+ "TT_SYMBOL": (1, False, command_ttsymbol),
+ "TT_CORPSE_ID": (1, False, command_ttcorpseid),
+ "TT_CONSUMABLE": (1, False, setter("ThingType", "TT_CONSUMABLE",
+ 0, 65535)),
+ "TT_START_NUMBER": (1, False, setter("ThingType", "TT_START_NUMBER",
+ 0, 255)),
+ "TT_PROLIFERATE": (1, False, setter("ThingType", "TT_PROLIFERATE",
+ 0, 255)),
+ "TT_LIFEPOINTS": (1, False, setter("ThingType", "TT_LIFEPOINTS", 0, 255)),
+ "T_ID": (1, False, command_tid),
+ "T_ARGUMENT": (1, False, setter("Thing", "T_ARGUMENT", 0, 255)),
+ "T_PROGRESS": (1, False, setter("Thing", "T_PROGRESS", 0, 255)),
+ "T_LIFEPOINTS": (1, False, setter("Thing", "T_LIFEPOINTS", 0, 255)),
+ "T_SATIATION": (1, False, setter("Thing", "T_SATIATION", -32768, 32767)),
+ "T_COMMAND": (1, False, command_tcommand),
+ "T_TYPE": (1, False, command_ttype),
+ "T_CARRIES": (1, False, command_tcarries),
+ "T_MEMMAP": (2, False, setter_map("T_MEMMAP")),
+ "T_MEMDEPTHMAP": (2, False, setter_map("T_MEMDEPTHMAP")),
+ "T_MEMTHING": (3, False, command_tmemthing),
+ "T_POSY": (1, False, setter_tpos("Y")),
+ "T_POSX": (1, False, setter_tpos("X")),
+ "wait": (0, False, play_commander("wait")),
+ "move": (1, False, play_commander("move")),
+ "pick_up": (0, False, play_commander("pick_up")),
+ "drop": (1, False, play_commander("drop", True)),
+ "use": (1, False, play_commander("use", True)),
}
-"""World state database,"""
+"""World state database. With sane default values. (Randomness is in rand.)"""
world_db = {
"TURN": 0,
"SEED_MAP": 0,
- "SEED_RANDOMNESS": 0
+ "PLAYER_TYPE": 0,
+ "MAP_LENGTH": 64,
+ "WORLD_ACTIVE": 0,
+ "ThingActions": {},
+ "ThingTypes": {},
+ "Things": {}
}
+"""Mapping of direction names to internal direction chars."""
+directions_db = {"east": "d", "south-east": "c", "south-west": "x",
+ "west": "s", "north-west": "w", "north-east": "e"}
"""File IO database."""
io_db = {
"path_out": "server/out",
"path_worldstate": "server/worldstate",
"tmp_suffix": "_tmp",
- "kicked_by_rival": False
+ "kicked_by_rival": False,
+ "worldstate_updateable": False
}
try:
+ libpr = prep_library()
+ rand = RandomnessIO()
opts = parse_command_line_arguments()
setup_server_io()
- # print("DUMMY: Run game.")
if None != opts.replay:
replay_game()
else:
raise
finally:
cleanup_server_io()
- # print("DUMMY: (Clean up C heap.)")