def __recv_msg(self):
header = MessageBuf(self.__recv_bytes(2))
data_len = header.get_uint16(be=True)
msg = MessageBuf(self.__recv_bytes(data_len))
if self.verbose:
self.info('< ' + str(msg))
return msg
def on_msg_rel(self, msg):
seq = msg.get_uint16()
while not msg.eom():
rel_type = msg.get_uint8()
if (rel_type & 0x80) != 0:
rel_type &= 0x7F
rel_len = msg.get_uint16()
rmsg = MessageBuf(msg.get_bytes(rel_len))
else:
rmsg = MessageBuf(msg.get_remaining())
if seq == self.rseq:
if rel_type == RelMessageType.RMSG_NEWWDG:
self.on_rmsg_newwdg(rmsg)
elif rel_type == RelMessageType.RMSG_WDGMSG:
self.on_rmsg_wdgmsg(rmsg)
elif rel_type == RelMessageType.RMSG_DSTWDG:
self.on_rmsg_dstwdg(rmsg)
elif rel_type == RelMessageType.RMSG_GLOBLOB:
self.on_rmsg_globlob(rmsg)
elif rel_type == RelMessageType.RMSG_RESID:
self.on_rmsg_resid(rmsg)
elif rel_type == RelMessageType.RMSG_PARTY:
self.on_rmsg_party(rmsg)
elif rel_type == RelMessageType.RMSG_CATTR:
self.on_rmsg_cattr(rmsg)
else:
pass
self.gc.ack(seq)
self.rseq = (self.rseq + 1) % 65536
seq += 1
def get_cookie(self):
msg = MessageBuf()
msg.add_string('cookie')
self.__send_msg(msg)
rpl = self.__recv_msg()
status = rpl.get_string()
if status == 'ok':
cookie = rpl.get_bytes(32)
return cookie
else:
raise AuthException('Unexpected reply: "' + status + '"')
def handle_play_message(self, data):
if self.charlist_wdg_id == -1:
return
char_name = data['char_name']
msg = MessageBuf()
msg.add_uint8(RelMessageType.RMSG_WDGMSG)
msg.add_uint16(self.charlist_wdg_id)
msg.add_string('play')
msg.add_list([char_name])
self.queue_rmsg(msg)
def handle_transfer_message(self, data):
if self.get_gs() != GameState.PLAY:
# TODO: Send response back to the client
return
item_id = data['id']
msg = MessageBuf()
msg.add_uint8(RelMessageType.RMSG_WDGMSG)
msg.add_uint16(item_id)
msg.add_string('transfer')
msg.add_list([Coords.Z]) # Ignored
self.queue_rmsg(msg)
def handle_drop_message(self, data):
if self.get_gs() != GameState.PLAY:
# TODO: Send response back to the client
return
coords = data['coords']
msg = MessageBuf()
msg.add_uint8(RelMessageType.RMSG_WDGMSG)
msg.add_uint16(self.inv_wdg_id)
msg.add_string('drop')
msg.add_list([Coord(coords['x'], coords['y'])])
self.queue_rmsg(msg)
def handle_pmchat_message(self, data):
if self.get_gs() != GameState.PLAY or self.buddy_wdg_id == -1:
# TODO: Send response back to the client
return
kin_id = data['id']
msg = MessageBuf()
msg.add_uint8(RelMessageType.RMSG_WDGMSG)
msg.add_uint16(self.buddy_wdg_id)
msg.add_string('chat')
msg.add_list([kin_id])
self.queue_rmsg(msg)
def queue_rmsg(self, rmsg):
msg = MessageBuf()
msg.add_uint8(MessageType.MSG_REL)
msg.add_uint16(self.wseq)
msg.add_bytes(rmsg.buf)
msg.seq = self.wseq
with self.rmsgs_lock:
self.rmsgs.append(msg)
self.wseq = (self.wseq + 1) % 65536
def handle_msg_message(self, data):
if self.get_gs() != GameState.PLAY:
# TODO: Send response back to the client
return
chat_id = data['id']
chat_msg = data['msg']
msg = MessageBuf()
msg.add_uint8(RelMessageType.RMSG_WDGMSG)
msg.add_uint16(chat_id)
msg.add_string('msg')
msg.add_list([chat_msg])
self.queue_rmsg(msg)
def handle_transfer_message(self, data):
if self.get_gs() != GameState.PLAY:
# TODO: Send response back to the client
return
item_id = data['id']
coords = None
with self.items_lock:
for item in self.items:
if item.wdg_id == item_id:
coords = copy.copy(item.coords)
if coords is None:
# TODO: Send response back to the client
return
msg = MessageBuf()
msg.add_uint8(RelMessageType.RMSG_WDGMSG)
msg.add_uint16(item_id)
msg.add_string('transfer')
msg.add_list([coords])
self.queue_rmsg(msg)
def login(self, username, password):
msg = MessageBuf()
msg.add_string('pw')
msg.add_string(username)
msg.add_bytes(password.decode('hex'))
self.__send_msg(msg)
rpl = self.__recv_msg()
status = rpl.get_string()
if status == 'ok':
acc = rpl.get_string(
) # This is normally the same thing as `username`
return
elif status == 'no':
err = rpl.get_string()
raise AuthException(err)
else:
raise AuthException('Unexpected reply: "' + status + '"')
def __init__(self, resname, resver, rawinfo):
self.resname = resname
self.resver = resver
buf = MessageBuf(rawinfo)
canon_sig = 'Haven Resource 1'
sig = buf.get_bytes(len(canon_sig))
if sig != canon_sig:
raise ResException('Wrong signature')
ver = buf.get_uint16()
if ver != self.resver:
raise ResException('Wrong version')
self.layers = []
while not buf.eom():
layer_type = buf.get_string()
layer_len = buf.get_int32()
layer_data = buf.get_bytes(layer_len)
self.layers.append(ResLayer(layer_type, layer_data))
def rworker(self):
while True:
try:
msg = self.gc.recv_msg(
) # TODO: Make it non-blocking to check the game state
msg_type = msg.get_uint8()
data = MessageBuf(msg.get_remaining())
if msg_type == MessageType.MSG_SESS:
self.on_msg_sess(data)
elif msg_type == MessageType.MSG_REL:
self.on_msg_rel(data)
elif msg_type == MessageType.MSG_ACK:
self.on_msg_ack(data)
elif msg_type == MessageType.MSG_OBJDATA:
self.on_msg_objdata(data)
elif msg_type == MessageType.MSG_CLOSE:
self.on_msg_close()
else:
pass
if self.get_gs() == GameState.CLOSE:
return
except GameException as e:
self.error('Game session error: ' + str(e))
def handle_clicknearest_message(self, data):
if self.get_gs() != GameState.PLAY:
# TODO: Send response back to the client
return
if self.mapview_wdg_id == -1:
self.sendMessage(
unicode(
json.dumps({
'action': 'clicknearest',
'success': False,
'reason': 'Map has not been constructed yet'
})))
return
obj_name = data['name']
if obj_name != 'table':
self.sendMessage(
unicode(
json.dumps({
'action': 'clicknearest',
'success': False,
'reason': 'Unsupported object name'
})))
return
with self.gobs_lock:
tables = []
pl = None
for gob_id, gob in self.gobs.iteritems():
if gob.c is None:
continue
if gob.is_table():
tables.append(gob)
elif gob_id == self.pgob_id:
pl = gob
if len(tables) == 0:
self.sendMessage(
unicode(
json.dumps({
'action':
'clicknearest',
'success':
False,
'reason':
'No tables found (try again later)'
})))
return
if pl is None:
self.sendMessage(
unicode(
json.dumps({
'action':
'clicknearest',
'success':
False,
'reason':
'Player object has not been received yet'
})))
return
nearest = None
nearestc = None
for table in tables:
d = Coord.diff(pl.c, table.c)
if nearest is None or d.x + d.y < nearestc:
nearest = table
nearestc = d.x + d.y
msg = MessageBuf()
msg.add_uint8(RelMessageType.RMSG_WDGMSG)
msg.add_uint16(self.mapview_wdg_id)
msg.add_string('click')
msg.add_list([
Coords.Z, # pc (not used)
Coords.Z, # mc (not used)
3, # RMB
0, # modflags (no Alt / Ctrl / etc)
0, # no overlay
nearest.gob_id,
Coord.floor(nearest.c, Coords.POSRES),
0, # overlay ID
-1 # click ID
])
self.queue_rmsg(msg)
self.sendMessage(
unicode(json.dumps({
'action': 'clicknearest',
'success': True
})))
def start_session(self, username, cookie):
msg = MessageBuf()
msg.add_uint8(MessageType.MSG_SESS)
msg.add_uint16(2) # Magic number
msg.add_string('Hafen')
msg.add_uint16(9) # Protocol version
msg.add_string(username)
msg.add_uint16(len(cookie))
msg.add_bytes(cookie)
self.send_msg(msg)
def handle_wiact_message(self, data):
if self.get_gs() != GameState.PLAY:
# TODO: Send response back to the client
return
item_id = data['iid']
msg = MessageBuf()
msg.add_uint8(RelMessageType.RMSG_WDGMSG)
msg.add_uint16(item_id)
msg.add_string('take')
msg.add_list([Coords.Z, Coords.Z])
self.queue_rmsg(msg)
wound_id = int(data['wid'])
msg = MessageBuf()
msg.add_uint8(RelMessageType.RMSG_WDGMSG)
msg.add_uint16(self.chr_wdg_id)
msg.add_string('wiact')
msg.add_list([
wound_id,
0 # modflags
])
self.queue_rmsg(msg)
def handle_cl_message(self, data):
if self.get_gs() != GameState.PLAY or self.flowermenu_wdg_id == -1:
# TODO: Send response back to the client
return
option = data['option']
msg = MessageBuf()
msg.add_uint8(RelMessageType.RMSG_WDGMSG)
msg.add_uint16(self.flowermenu_wdg_id)
msg.add_string('cl')
if option == -1:
msg.add_list([option])
else:
msg.add_list([
option,
0 # modflags
])
self.queue_rmsg(msg)
self.flowermenu_wdg_id = -1 # TODO: Handle it on DSTWDG message or smth like that
def __prepend_header(self, msg):
tmp = MessageBuf()
tmp.add_uint16(len(msg.buf), be=True)
tmp.add_bytes(msg.buf)
return tmp
def ack(self, seq):
msg = MessageBuf()
msg.add_uint8(MessageType.MSG_ACK)
msg.add_uint16(seq)
self.send_msg(msg)
def beat(self):
msg = MessageBuf()
msg.add_uint8(MessageType.MSG_BEAT)
self.send_msg(msg)
def on_msg_objdata(self, msg):
# NOTE: We don't really need to handle all of these messages,
# we just want to get rid of most of them by sending the corresponding MSG_OBJACK messages
while not msg.eom():
fl = msg.get_uint8()
id = msg.get_uint32()
frame = msg.get_int32()
while True:
data_type = msg.get_uint8()
if data_type == ObjDataType.OD_REM:
with self.gobs_lock:
del self.gobs[id]
self.sendMessage(
unicode(json.dumps({
'action': 'gobrem',
'id': id
})))
elif data_type == ObjDataType.OD_MOVE:
msg.get_int32()
msg.get_int32()
ia = msg.get_uint16()
elif data_type == ObjDataType.OD_RES:
resid = msg.get_uint16()
if (resid & 0x8000) != 0:
resid &= ~0x8000
sdt_len = msg.get_uint8()
sdt = MessageBuf(msg.get_bytes(sdt_len))
elif data_type == ObjDataType.OD_LINBEG:
msg.get_int32()
msg.get_int32()
msg.get_int32()
msg.get_int32()
elif data_type == ObjDataType.OD_LINSTEP:
w = msg.get_int32()
if w == -1:
pass
elif (w & 0x80000000) == 0:
pass
else:
w = msg.get_int32()
elif data_type == ObjDataType.OD_SPEECH:
zo = msg.get_int16() / 100.0
text = msg.get_string()
elif data_type == ObjDataType.OD_COMPOSE:
resid = msg.get_uint16()
with self.gobs_lock:
gob = self.gobs.get(id, Gob(id))
gob.compose(resid)
self.gobs[id] = gob
elif data_type == ObjDataType.OD_CMPPOSE:
pfl = msg.get_uint8()
seq = msg.get_uint8()
if (pfl & 2) != 0:
while True:
resid = msg.get_uint16()
if resid == 65535:
break
if (resid & 0x8000) != 0:
resid &= ~0x8000
sdt_len = msg.get_uint8()
sdt = MessageBuf(msg.get_bytes(sdt_len))
if (pfl & 4) != 0:
while True:
resid = msg.get_uint16()
if resid == 65535:
break
if (resid & 0x8000) != 0:
resid &= ~0x8000
sdt_len = msg.get_uint8()
sdt = MessageBuf(msg.get_bytes(sdt_len))
ttime = msg.get_uint8() / 10.0
elif data_type == ObjDataType.OD_CMPMOD:
while True:
modid = msg.get_uint16()
if modid == 65535:
break
while True:
resid = msg.get_uint16()
if resid == 65535:
break
if (resid & 0x8000) != 0:
resid &= ~0x8000
sdt_len = msg.get_uint8()
sdt = MessageBuf(msg.get_bytes(sdt_len))
elif data_type == ObjDataType.OD_CMPEQU:
while True:
h = msg.get_uint8()
if h == 255:
break
ef = h & 0x80
et = h & 0x7f
at = msg.get_string()
resid = msg.get_uint16()
if (resid & 0x8000) != 0:
resid &= ~0x8000
sdt_len = msg.get_uint8()
sdt = MessageBuf(msg.get_bytes(sdt_len))
if (ef & 128) != 0:
x = msg.get_int16()
y = msg.get_int16()
z = msg.get_int16()
elif data_type == ObjDataType.OD_ZOFF:
off = msg.get_int16() / 100.0
elif data_type == ObjDataType.OD_LUMIN:
msg.get_int32()
msg.get_int32()
sz = msg.get_uint16()
sstr = msg.get_uint8()
elif data_type == ObjDataType.OD_AVATAR:
while True:
layer = msg.get_uint16()
if layer == 65535:
break
elif data_type == ObjDataType.OD_FOLLOW:
oid = msg.get_uint32()
if oid != 0xffffffffl:
xfres = msg.get_uint16() # getres
xfname = msg.get_string()
elif data_type == ObjDataType.OD_HOMING:
oid = msg.get_uint32()
if oid != 0xffffffffl:
pass
else:
msg.get_int32()
msg.get_int32()
msg.get_int32(
) # double v = msg.int32() * 0x1p-10 * 11;
elif data_type == ObjDataType.OD_OVERLAY:
oid = msg.get_int32()
resid = msg.get_uint16()
if resid == 65535:
pass
else:
if (resid & 0x8000) != 0:
resid &= ~0x8000
sdt_len = msg.get_uint8()
sdt = MessageBuf(msg.get_bytes(sdt_len))
elif data_type == ObjDataType.OD_HEALTH:
hp = msg.get_uint8()
elif data_type == ObjDataType.OD_BUDDY:
name = msg.get_string()
if len(name) > 0:
group = msg.get_uint8()
btype = msg.get_uint8()
with self.gobs_lock:
gob = self.gobs.get(id, Gob(id))
gob.buddy(name)
self.gobs[id] = gob
self.sendMessage(
unicode(
json.dumps({
'action': 'buddy',
'id': id,
'name': name
})))
elif data_type == ObjDataType.OD_ICON:
resid = msg.get_uint16()
if resid == 65535:
pass
else:
ifl = msg.get_uint8()
elif data_type == ObjDataType.OD_RESATTR:
resid = msg.get_uint16()
dat_len = msg.get_uint8()
if dat_len > 0:
dat = MessageBuf(msg.get_bytes(dat_len))
elif data_type == ObjDataType.OD_END:
break
msg = MessageBuf()
msg.add_uint8(MessageType.MSG_OBJACK)
msg.add_uint32(id)
msg.add_int32(frame)
self.gc.send_msg(msg)
def recv_msg(self):
data, addr = self.s.recvfrom(65535)
msg = MessageBuf(data)
if self.verbose:
self.info('< ' + str(msg))
return msg
