import time
+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():
"""Fill IO files DB with proper file( path)s. Write process IO test string.
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.
"""
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]()
+ 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()
+ 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():
- """Save all commands needed to reconstruct current world state."""
+ """Save all commands needed to reconstruct current world state."""
# TODO: Misses same optimizations as record() from the original record().
- # TODO: How to handle strings that contain ' or "?
+
+ 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]:
- memmap = world_db["Things"][id][key]
+ map = world_db["Things"][id][key]
length = world_db["MAP_LENGTH"]
- for i in range(world_db["MAP_LENGTH"]):
- string = string + key + " " + str(i) + " '" + \
- memmap[i * length:(i * length) + length].decode() \
- + "'\n"
+ 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
for key in world_db[category][id]:
if not key in special_keys:
x = world_db[category][id][key]
- argument = "'" + x + "'" if str == type(x) else str(x)
+ 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)
string = ""
for key in world_db:
- if dict != type(world_db[key]):
+ 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})
string = string + helper("Things", "T_ID",
{"T_CARRIES": False, "carried": False,
"T_MEMMAP": mapsetter("T_MEMMAP"),
- "T_MEMTHING": memthing,
+ "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 + "WORLD_ACTIVE " + str(world_db["WORLD_ACTIVE"])
atomic_write(io_db["path_save"], string)
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):
+ fovflag = world_db["Things"][0]["fovmap"][pos]
+ if 'v' == chr(fovflag):
+ 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 id in world_db["Things"][0]["T_MEMTHING"]:
+ type = world_db["Things"][id]["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[(y * length) + x] = 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
+ 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():
- # DUMMY.
- print("I'd (re-)make the map now, if only I knew how.")
+ # DUMMY map creator.
+ world_db["MAP"] = bytearray(b'.' * (world_db["MAP_LENGTH"] ** 2))
+
+
+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 id in t["T_MEMTHING"]:
+ 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"].remove(id)
+ 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"] = (type, y, x)
def set_world_inactive():
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 new_Thing(type):
+ """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": 0,
+ "T_POSX": 0,
+ "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_thingshere(y, x):
+ # DUMMY
+ print("Ignoring not-yet implemented THINGS_HERE command.")
+
+
def command_seedmap(seed_string):
"""Set world_db["SEED_MAP"] to int(seed_string), then (re-)make map."""
setter(None, "SEED_MAP", 0, 4294967295)(seed_string)
def command_makeworld(seed_string):
- # DUMMY.
- setter(None, "SEED_MAP", 0, 4294967295)(seed_string)
+ """(Re-)build game world, i.e. map, things, to a new turn 1 from seed.
+
+ Make seed world_db["SEED_RANDOMNESS"] and 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.
+ """
setter(None, "SEED_RANDOMNESS", 0, 4294967295)(seed_string)
- # TODO: Test for existence of player thing and 'wait' thing action?
+ setter(None, "SEED_MAP", 0, 4294967295)(seed_string)
+ 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)
+ # TODO: Positioning.
+ update_map_memory(world_db["Things"][0])
+ for type in world_db["ThingTypes"]:
+ for i in range(world_db["ThingTypes"][type]["TT_START_NUMBER"]):
+ id = id_setter(-1, "Things")
+ world_db["Things"][id] = new_Thing(playertype)
+ # TODO: Positioning.
+ strong_write(io_db["file_out"], "NEW_WORLD\n")
def command_maplength(maplength_string):
- # DUMMY.
+ """Redefine map length. Invalidate map, therefore lose all things on it."""
set_world_inactive()
- # TODO: remove things, map
+ world_db["Things"] = {}
setter(None, "MAP_LENGTH", 1, 256)(maplength_string)
def command_worldactive(worldactive_string):
- # DUMMY.
+ """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"] and 0 == val:
- set_world_inactive()
+ 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
- map_exists = False
- # TODO: perform tests:
- # Is there thing action of name 'wait'?
- # Is there a player thing?
- # Is there a map?
- if wait_exists and player_exists and map_exists:
- # TODO: rebuild al things' FOVs, map memories
+ 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 id_setter(id_string, category, id_store, start_at_1=False):
- """Set ID of object of category to manipulate ID unused? Create new one.
-
- The ID is stored as id_store.id. If the integer of the input is valid (if
- start_at_1, >= 0 and <= 255, else >= -32768 and <= 32767), but <0 or (if
- start_at_1) <1, calculate new ID: lowest unused ID >=0 or (if start_at_1)
- >= 1, and <= 255. None is always returned when no new object is created,
- otherwise the new object's ID.
- """
- min = 0 if start_at_1 else -32768
- max = 255 if start_at_1 else 32767
- id = integer_test(id_string, min, max)
- if None != id:
- if id in world_db[category]:
- id_store.id = id
- return None
- else:
- if (start_at_1 and 0 == id) \
- or ((not start_at_1) and (id < 0 or id > 255)):
- id = -1
- while 1:
- id = id + 1
- if id not in world_db[category]:
- break
- if id > 255:
- print("Ignoring: "
- "No unused ID available to add to ID list.")
- return None
- id_store.id = id
- return id
-
-
def test_for_id_maker(object, category):
"""Return decorator testing for object having "id" attribute."""
def decorator(f):
if world_db["ThingTypes"] == {}:
print("Ignoring: No ThingType to settle new Thing in.")
return
- world_db["Things"][id] = {
- "T_LIFEPOINTS": 0,
- "T_ARGUMENT": 0,
- "T_PROGRESS": 0,
- "T_SATIATION": 0,
- "T_COMMAND": 0,
- "T_TYPE": list(world_db["ThingTypes"].keys())[0],
- "T_POSY": 0,
- "T_POSX": 0,
- "T_CARRIES": [],
- "carried": False,
- "T_MEMTHING": [],
- "T_MEMMAP": False,
- "T_MEMDEPTHMAP": False
- }
+ type = list(world_db["ThingTypes"].keys())[0]
+ world_db["Things"][id] = new_Thing(type)
test_Thing_id = test_for_id_maker(command_tid, "Thing")
print("Map line length is unequal map width.")
else:
length = world_db["MAP_LENGTH"]
- rmap = None
+ map = None
if not world_db["Things"][command_tid.id][maptype]:
- rmap = bytearray(b' ' * (length ** 2))
+ map = bytearray(b' ' * (length ** 2))
else:
- rmap = world_db["Things"][command_tid.id][maptype]
- rmap[val * length:(val * length) + length] = mapline.encode()
- world_db["Things"][command_tid.id][maptype] = rmap
+ 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."""
+ """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
- # TODO: Delete Thing's FOV, and rebuild it if world is active.
+ 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
commands_db = {
"QUIT": (0, True, command_quit),
"PING": (0, True, command_ping),
+ "THINGS_HERE": (2, True, command_thingshere),
"MAKE_WORLD": (1, False, command_makeworld),
"SEED_MAP": (1, False, command_seedmap),
"SEED_RANDOMNESS": (1, False, setter(None, "SEED_RANDOMNESS",
"""World state database. With sane default values."""
world_db = {
- "TURN": 1,
+ "TURN": 0,
"SEED_MAP": 0,
"SEED_RANDOMNESS": 0,
"PLAYER_TYPE": 0,
"path_out": "server/out",
"path_worldstate": "server/worldstate",
"tmp_suffix": "_tmp",
- "kicked_by_rival": False
+ "kicked_by_rival": False,
+ "worldstate_updateable": False
}
projects / plomrogue / blobdiff