plomlompom.com Git - plomrogue/blob - roguelike-client

   1 #!/usr/bin/python3
   2
   3 import curses
   4 import os
   5 import signal
   6 import time
   7
   8
   9 from client.config.world_data import world_data
  10 from client.config.io import io
  11 from client.config.commands import commands
  12 from client.window_management import redraw_windows, set_windows, draw_screen, \
  13                                      stdscr
  14 from client.query_mapcell import query_mapcell
  15
  16
  17 message_queue = {
  18     "open_end": False,
  19     "messages": []
  20 }
  21
  22
  23 def read_worldstate():
  24     global redraw_windows
  25     if not os.access(io["path_worldstate"], os.F_OK):
  26         msg = "No world state file found at " + io["path_worldstate"] + "."
  27         raise SystemExit(msg)
  28     read_anew = False
  29     worldstate_file = open(io["path_worldstate"], "r")
  30     turn_string = worldstate_file.readline()
  31     if int(turn_string) != world_data["turn"]:
  32         read_anew = True
  33     if not read_anew: # In rare cases, world may change, but not turn number.
  34         mtime = os.stat(io["path_worldstate"])
  35         if mtime != read_worldstate.last_checked_mtime:
  36             read_worldstate.last_checked_mtime = mtime
  37             read_anew = True
  38     if read_anew:
  39         # TODO: Hardcore order of necessary fields, ensure dependency order.
  40         redraw_windows = True
  41         world_data["turn"] = int(turn_string)
  42         for entry in io["worldstate_read_order"]:
  43             if entry[1] == "int":
  44                 if 2 == len(entry):
  45                     world_data[entry[0]] = int(worldstate_file.readline())
  46                 elif 3 == len(entry):
  47                     world_data[entry[0]][entry[2]] = \
  48                             int(worldstate_file.readline())
  49             elif entry[1] == "lines":
  50                 world_data[entry[0]] = []
  51                 while True:
  52                     line = worldstate_file.readline().replace("\n", "")
  53                     if line == '%':
  54                         break
  55                     world_data[entry[0]] += [line]
  56             elif entry[1] == "map":
  57                 world_data[entry[0]] = ""
  58                 for i in range(world_data["map_size"]):
  59                     line = worldstate_file.readline().replace("\n", "")
  60                     world_data[entry[0]] += line
  61         if not world_data["look_mode"]:
  62             world_data["map_center"] = world_data["avatar_position"][:]
  63     worldstate_file.close()
  64 read_worldstate.last_checked_mtime = -1
  65
  66
  67 def read_message_queue():
  68     global redraw_windows
  69     while (len(message_queue["messages"]) > 1
  70         or (len(message_queue["messages"]) == 1
  71             and not message_queue["open_end"])):
  72         message = message_queue["messages"].pop(0)
  73         if message == "THINGS_HERE START":
  74             read_message_queue.parse_thingshere = True
  75             world_data["look"] = []
  76         elif message == "THINGS_HERE END":
  77             read_message_queue.parse_thingshere = False
  78             if world_data["look"] == []:
  79                 world_data["look"] = ["(none known)"]
  80             redraw_windows = True
  81         elif read_message_queue.parse_thingshere:
  82             world_data["look"] += [message]
  83         elif message[0:4] == "LOG ":
  84             world_data["log"] += [message[4:]]
  85             redraw_windows = True
  86         elif message == "WORLD_UPDATED":
  87             query_mapcell()
  88 read_message_queue.parse_thingshere = False
  89
  90
  91 def cursed_main(stdscr):
  92     global redraw_windows
  93
  94     def ping_test():
  95         half_wait_time = 5
  96         if len(new_data_from_server) > 0:
  97             ping_test.sent = False
  98         elif ping_test.wait_start + half_wait_time < time.time():
  99             if not ping_test.sent:
 100                 io["file_out"].write("PING\n")
 101                 io["file_out"].flush()
 102                 ping_test.sent = True
 103                 ping_test.wait_start = time.time()
 104             elif ping_test.sent:
 105                 raise SystemExit("Server not answering anymore.")
 106     ping_test.wait_start = 0
 107
 108     def read_into_message_queue():
 109         if new_data_from_server == "":
 110             return
 111         new_open_end = False
 112         if new_data_from_server[-1] is not "\n":
 113             new_open_end = True
 114         new_messages = new_data_from_server.splitlines()
 115         if message_queue["open_end"]:
 116             message_queue["messages"][-1] += new_messages[0]
 117             del new_messages[0]
 118         message_queue["messages"] += new_messages
 119         if new_open_end:
 120             message_queue["open_end"] = True
 121
 122     curses.noecho()
 123     curses.curs_set(False)
 124     signal.signal(signal.SIGWINCH,
 125         lambda ignore_1, ignore_2: set_windows())
 126     set_windows()
 127     delay = 1
 128     while True:
 129         stdscr.timeout(int(delay))
 130         if delay < 1000:
 131             delay = delay * 1.1
 132         if redraw_windows:
 133             delay = 1
 134             draw_screen()
 135             redraw_windows = False
 136         char = stdscr.getch()
 137         if char >= 0:
 138             char = chr(char)
 139             if char in commands:
 140                 if len(commands[char]) == 1 or not world_data["look_mode"]:
 141                     commands[char][0]()
 142                 else:
 143                     commands[char][1]()
 144                 redraw_windows = True
 145         new_data_from_server = io["file_in"].read()
 146         ping_test()
 147         read_into_message_queue()
 148         read_worldstate()
 149         read_message_queue()
 150
 151
 152 try:
 153     if (not os.access(io["path_out"], os.F_OK)):
 154         msg = "No server input file found at " + io["path_out"] + "."
 155         raise SystemExit(msg)
 156     io["file_out"] = open(io["path_out"], "a")
 157     io["file_in"] = open(io["path_in"], "r")
 158     curses.wrapper(cursed_main)
 159 except SystemExit as exit:
 160     print("ABORTING: " + exit.args[0])
 161 except:
 162     print("SOMETHING WENT WRONG IN UNEXPECTED WAYS")
 163     raise
 164 finally:
 165     if "file_out" in io:
 166         io["file_out"].close()
 167     if "file_in" in io:
 168         io["file_in"].close()