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