plomlompom.com Git - plomrogue/blob - client_prototype.py

   1 import curses
   2 import math
   3 import os
   4 import signal
   5 import time
   6
   7
   8 def set_window_geometries():
   9
  10     def set_window_size():
  11         win["size"], win["start"] = [0, 0], [0, 0]
  12         win["size"][0] = win["config"][0]
  13         if (win["config"][0] == 0):
  14             win["size"][0] = screen_size[0] - sep_size
  15         elif (win["config"][0] < 0):
  16             win["size"][0] = screen_size[0] + win["config"][0] - sep_size
  17         win["size"][1] = win["config"][1]
  18         if (win["config"][1] == 0):
  19             win["size"][1] = screen_size[1]
  20         elif (win["config"][1] < 0):
  21             win["size"][1] = screen_size[1] + win["config"][1]
  22
  23     def place_window():
  24         win_i = windows.index(win)
  25
  26         # If win is first window, it goes into the top left corner.
  27         win["start"][0] = 0 + sep_size
  28         win["start"][1] = 0
  29         if (win_i > 0):
  30
  31             # If not, get win's closest predecessor starting a new stack on the
  32             # screen top,fit win's top left to that win_top's top right corner.
  33             win_top = None
  34             for i in range(win_i - 1, -1, -1):
  35                 win_top = windows[i]
  36                 if (win_top["start"][0] == 0 + sep_size):
  37                     break
  38             win["start"][1] = win_top["start"][1] + win_top["size"][1] \
  39                 + sep_size
  40
  41             # If enough space is found below win's predecessor, fit win's top
  42             # left corner to that predecessor's bottom left corner.
  43             win_prev = windows[win_i - 1]
  44             next_free_y = win_prev["start"][0] + win_prev["size"][0] + sep_size
  45             if (win["size"][1] <= win_prev["size"][1] and
  46                     win["size"][0] <= screen_size[0] - next_free_y):
  47                 win["start"][1] = win_prev["start"][1]
  48                 win["start"][0] = next_free_y
  49
  50             # If that fails, try to fit win's top left corner to the top right
  51             # corner of its closest predecessor win_test 1) below win_top (see
  52             # above) 2) and with enough space open to its right between its
  53             # right edge and the lower edge of a win_high located directly
  54             # above win_test to fit win there (without growing further to the
  55             # right than win_high does or surpassing the screen's lower edge).
  56             else:
  57                 win_test = win_prev
  58                 win_high = None
  59                 while (win_test != win_top):
  60                     for i in range(win_i - 2, -1, -1):
  61                         win_high = windows[i]
  62                         if win_test["start"][0] > win_high["start"][0]:
  63                             break
  64                     next_free_y = win_high["start"][0] + win_high["size"][0] \
  65                         + sep_size
  66                     first_free_x = win_test["start"][1] + win_test["size"][1] \
  67                         + sep_size
  68                     last_free_x = win_high["start"][1] + win_high["size"][1]
  69                     if (win["size"][0] <= screen_size[0] - next_free_y and
  70                             win["size"][1] <= last_free_x - first_free_x):
  71                         win["start"][1] = first_free_x
  72                         win["start"][0] = next_free_y
  73                         break
  74                     win_test = win_high
  75
  76     global screen_size, stdscr
  77     curses.endwin()
  78     stdscr = curses.initscr()
  79     screen_size = stdscr.getmaxyx()
  80     for win in windows:
  81         set_window_size()
  82         place_window()
  83     cursed_main.redraw = True
  84
  85
  86 def draw_screen():
  87
  88     def healthy_addch(y, x, char, attr=0):
  89         """Workaround for <http://stackoverflow.com/questions/7063128/>."""
  90         if y == screen_size[0] - 1 and x == screen_size[1] - 1:
  91             char_before = stdscr.inch(y, x - 1)
  92             stdscr.addch(y, x - 1, char, attr)
  93             stdscr.insstr(y, x - 1, " ")
  94             stdscr.addch(y, x - 1, char_before)
  95         else:
  96             stdscr.addch(y, x, char, attr)
  97
  98     def draw_window_border_lines():
  99         for win in windows:
 100             for k in range(2):
 101                 j = win["start"][int(k == 0)] - sep_size
 102                 if (j >= 0 and j < screen_size[int(k == 0)]):
 103                     start = win["start"][k]
 104                     end = win["start"][k] + win["size"][k]
 105                     end = end if end < screen_size[k] else screen_size[k]
 106                     if k:
 107                         [healthy_addch(j, i, '-') for i in range(start, end)]
 108                     else:
 109                         [healthy_addch(i, j, '|') for i in range(start, end)]
 110
 111     def draw_window_border_corners():
 112         for win in windows:
 113             up = win["start"][0] - sep_size
 114             down = win["start"][0] + win["size"][0]
 115             left = win["start"][1] - sep_size
 116             right = win["start"][1] + win["size"][1]
 117             if (up >= 0 and up < screen_size[0]):
 118                 if (left >= 0 and left < screen_size[1]):
 119                     healthy_addch(up, left, '+')
 120                 if (right >= 0 and right < screen_size[1]):
 121                     healthy_addch(up, right, '+')
 122             if (down >= 0 and down < screen_size[0]):
 123                 if (left >= 0 and left < screen_size[1]):
 124                     healthy_addch(down, left, '+')
 125                 if (right >= 0 and right < screen_size[1]):
 126                     healthy_addch(down, right, '+')
 127
 128     def draw_window_contents():
 129         def draw_winmap():
 130             """Draw winmap in area delimited by offset, winmap_size.
 131
 132             The individuall cell of a winmap is interpreted as either a single
 133             character element, or as a tuple of character and attribute,
 134             depending on the size len(cell) spits out.
 135             """
 136             stop = [0, 0]
 137             for i in range(2):
 138                 stop[i] = win["size"][i] + offset[i]
 139                 if stop[i] >= winmap_size[i]:
 140                     stop[i] = winmap_size[i]
 141             for y in range(offset[0], stop[0]):
 142                 for x in range(offset[1], stop[1]):
 143                     cell = winmap[y * winmap_size[1] + x]
 144                     attr = 0
 145                     if len(cell) > 1:
 146                         attr = cell[1]
 147                         cell = cell[0]
 148                     y_in_screen = win["start"][0] + (y - offset[0])
 149                     x_in_screen = win["start"][1] + (x - offset[1])
 150                     if (y_in_screen < screen_size[0]
 151                             and x_in_screen < screen_size[1]):
 152                         healthy_addch(y_in_screen, x_in_screen, cell, attr)
 153         def draw_scroll_hints():
 154             def draw_scroll_string(n_lines_outside):
 155                 hint = ' ' + str(n_lines_outside + 1) + ' more ' + unit + ' '
 156                 if len(hint) <= win["size"][ni]:
 157                     non_hint_space = win["size"][ni] - len(hint)
 158                     hint_offset = int(non_hint_space / 2)
 159                     for j in range(win["size"][ni] - non_hint_space):
 160                         pos_2 = win["start"][ni] + hint_offset + j
 161                         x, y = (pos_2, pos_1) if ni else (pos_1, pos_2)
 162                         healthy_addch(y, x, hint[j], curses.A_REVERSE)
 163             def draw_scroll_arrows(ar1, ar2):
 164                 for j in range(win["size"][ni]):
 165                     pos_2 = win["start"][ni] + j
 166                     x, y = (pos_2, pos_1) if ni else (pos_1, pos_2)
 167                     healthy_addch(y, x, ar1 if ni else ar2, curses.A_REVERSE)
 168             for i in range(2):
 169                 ni = int(i == 0)
 170                 unit = 'rows' if ni else 'columns'
 171                 if (offset[i] > 0):
 172                     pos_1 = win["start"][i]
 173                     draw_scroll_arrows('^', '<')
 174                     draw_scroll_string(offset[i])
 175                 if (winmap_size[i] > offset[i] + win["size"][i]):
 176                     pos_1 = win["start"][i] + win["size"][i] - 1
 177                     draw_scroll_arrows('v', '>')
 178                     draw_scroll_string(winmap_size[i] - offset[i]
 179                         - win["size"][i])
 180         for win in windows:
 181             offset, winmap_size, winmap = win["func"]()
 182             draw_winmap()
 183             draw_scroll_hints()
 184
 185     stdscr.erase()
 186     draw_window_border_lines()
 187     draw_window_border_corners()
 188     draw_window_contents()
 189     stdscr.refresh()
 190
 191
 192 def read_worldstate():
 193     if not os.access(io["path_worldstate"], os.F_OK):
 194         msg = "No world state file found at " + io["path_worldstate"] + "."
 195         raise SystemExit(msg)
 196     read_anew = False
 197     worldstate_file = open(io["path_worldstate"], "r")
 198     turn_string = worldstate_file.readline()
 199     if int(turn_string) != world_data["turn"]:
 200         read_anew = True
 201     if not read_anew: # In rare cases, world may change, but not turn number.
 202         mtime = os.stat(io["path_worldstate"])
 203         if mtime != read_worldstate.last_checked_mtime:
 204             read_worldstate.last_checked_mtime = mtime
 205             read_anew = True
 206     if read_anew:
 207         cursed_main.redraw = True
 208         world_data["turn"] = int(turn_string)
 209         world_data["lifepoints"] = int(worldstate_file.readline())
 210         world_data["satiation"] = int(worldstate_file.readline())
 211         world_data["inventory"] = []
 212         while True:
 213             line = worldstate_file.readline().replace("\n", "")
 214             if line == '%':
 215                 break
 216             world_data["inventory"] += [line]
 217         world_data["avatar_position"][0] = int(worldstate_file.readline())
 218         world_data["avatar_position"][1] = int(worldstate_file.readline())
 219         if not world_data["look_mode"]:
 220             world_data["map_center"][0] = world_data["avatar_position"][0]
 221             world_data["map_center"][1] = world_data["avatar_position"][1]
 222         world_data["map_size"] = int(worldstate_file.readline())
 223         world_data["fov_map"] = ""
 224         for i in range(world_data["map_size"]):
 225             line = worldstate_file.readline().replace("\n", "")
 226             world_data["fov_map"] += line
 227         world_data["mem_map"] = ""
 228         for i in range(world_data["map_size"]):
 229             line = worldstate_file.readline().replace("\n", "")
 230             world_data["mem_map"] += line
 231     worldstate_file.close()
 232 read_worldstate.last_checked_mtime = -1
 233
 234
 235 def read_message_queue():
 236     while (len(message_queue["messages"]) > 1
 237         or (len(message_queue["messages"]) == 1
 238             and not message_queue["open_end"])):
 239         message = message_queue["messages"].pop(0)
 240         if message == "THINGS_HERE START":
 241             read_message_queue.parse_thingshere = True
 242             world_data["look"] = []
 243         elif message == "THINGS_HERE END":
 244             read_message_queue.parse_thingshere = False
 245             if world_data["look"] == []:
 246                 world_data["look"] = ["(none known)"]
 247             cursed_main.redraw = True
 248         elif read_message_queue.parse_thingshere:
 249             world_data["look"] += [message]
 250         elif message[0:4] == "LOG ":
 251             world_data["log"] += [message[4:]]
 252             cursed_main.redraw = True
 253         elif message == "WORLD_UPDATED":
 254             query_mapcell()
 255 read_message_queue.parse_thingshere = False
 256
 257
 258 def query_mapcell():
 259    command_sender("THINGS_HERE " + str(world_data["map_center"][0]) + " "
 260         + str(world_data["map_center"][1]))()
 261    world_data["look"] = ["(polling)"]
 262
 263
 264 def cursed_main(stdscr):
 265
 266     def ping_test():
 267         half_wait_time = 5
 268         if len(new_data_from_server) > 0:
 269             ping_test.sent = False
 270         elif ping_test.wait_start + half_wait_time < time.time():
 271             if not ping_test.sent:
 272                 io["file_out"].write("PING\n")
 273                 io["file_out"].flush()
 274                 ping_test.sent = True
 275                 ping_test.wait_start = time.time()
 276             elif ping_test.sent:
 277                 raise SystemExit("Server not answering anymore.")
 278     ping_test.wait_start = 0
 279
 280     def read_into_message_queue():
 281         if new_data_from_server == "":
 282             return
 283         new_open_end = False
 284         if new_data_from_server[-1] is not "\n":
 285             new_open_end = True
 286         new_messages = new_data_from_server.splitlines()
 287         if message_queue["open_end"]:
 288             message_queue["messages"][-1] += new_messages[0]
 289             del new_messages[0]
 290         message_queue["messages"] += new_messages
 291         if new_open_end:
 292             message_queue["open_end"] = True
 293
 294     curses.noecho()
 295     curses.curs_set(False)
 296     signal.signal(signal.SIGWINCH,
 297         lambda ignore_1, ignore_2: set_window_geometries())
 298     set_window_geometries()
 299     delay = 1
 300     while True:
 301         stdscr.timeout(int(delay))
 302         delay = delay * 1.1 if delay < 1000 else delay
 303         if cursed_main.redraw:
 304             delay = 1
 305             draw_screen()
 306             cursed_main.redraw = False
 307         char = stdscr.getch()
 308         if char >= 0:
 309             char = chr(char)
 310             if char in commands:
 311                 if len(commands[char]) == 1 or not world_data["look_mode"]:
 312                     commands[char][0]()
 313                     cursed_main.redraw = True
 314                 else:
 315                     commands[char][1]()
 316                     cursed_main.redraw = True
 317         new_data_from_server = io["file_in"].read()
 318         ping_test()
 319         read_into_message_queue()
 320         read_worldstate()
 321         read_message_queue()
 322
 323
 324 def win_map():
 325     win_size = next(win["size"] for win in windows if win["func"] == win_map)
 326     offset = [0, 0]
 327     for i in range(2):
 328         if world_data["map_center"][i] * (i + 1) > win_size[i] / 2:
 329             if world_data["map_center"][i] * (i + 1) \
 330                 < world_data["map_size"] * (i + 1) - win_size[i] / 2:
 331                 offset[i] = world_data["map_center"][i] * (i + 1) \
 332                     - int(win_size[i] / 2)
 333                 if i == 1:
 334                     offset[1] = offset[1] + world_data["map_center"][0] % 2
 335             else:
 336                 offset[i] = world_data["map_size"] * (i + 1) - win_size[i] + i
 337     winmap_size = [world_data["map_size"], world_data["map_size"] * 2 + 1]
 338     winmap = []
 339     curses.init_pair(1, curses.COLOR_WHITE, curses.COLOR_BLUE)
 340     curses.init_pair(2, curses.COLOR_BLUE, curses.COLOR_BLACK)
 341     for y in range(world_data["map_size"]):
 342         for x in range(world_data["map_size"]):
 343             char = world_data["fov_map"][y * world_data["map_size"] + x]
 344             if world_data["look_mode"] and y == world_data["map_center"][0] \
 345                     and x == world_data["map_center"][1]:
 346                 if char == " ":
 347                     char = \
 348                         world_data["mem_map"][y * world_data["map_size"] + x]
 349                 winmap += [(char, curses.A_REVERSE), (" ", curses.A_REVERSE)]
 350                 continue
 351             if char == " ":
 352                 char = world_data["mem_map"][y * world_data["map_size"] + x]
 353                 attribute = curses.color_pair(1) if char == " " \
 354                     else curses.color_pair(2)
 355                 winmap += [(char, attribute), (" ", attribute)]
 356             else:
 357                 winmap += char + " "
 358         if y % 2 == 0:
 359             winmap += "  "
 360     return offset, winmap_size, winmap
 361
 362
 363 def win_inventory():
 364     win_size = next(win["size"] for win in windows
 365                                 if win["func"] == win_inventory)
 366     winmap = []
 367     winmap_size = [0, win_size[1]]
 368     for line in world_data["inventory"]:
 369         winmap_size[1] = winmap_size[1] if len(line) <= winmap_size[1] \
 370             else len(line)
 371     count = 0
 372     for line in world_data["inventory"]:
 373         padding_size = winmap_size[1] - len(line)
 374         line += (" " * padding_size)
 375         if count == world_data["inventory_selection"]:
 376             line_new = []
 377             for x in range(len(line)):
 378                 line_new += [(line[x], curses.A_REVERSE)]
 379             line = line_new
 380         winmap += line
 381         winmap_size[0] = winmap_size[0] + 1
 382         count += 1
 383     offset = [0, 0]
 384     if world_data["inventory_selection"] > win_size[0]/2:
 385         if world_data["inventory_selection"] < len(world_data["inventory"]) \
 386             - win_size[0]/2:
 387             offset[0] = world_data["inventory_selection"] - int(win_size[0]/2)
 388         else:
 389             offset[0] = len(world_data["inventory"]) - win_size[0]
 390     return offset, winmap_size, winmap
 391
 392
 393 def win_look():
 394     winmap = ""
 395     winmap_size = [0, 0]
 396     for line in world_data["look"]:
 397         winmap_size[1] = winmap_size[1] if len(line) <= winmap_size[1] \
 398             else len(line)
 399     for line in world_data["look"]:
 400         padding_size = winmap_size[1] - len(line)
 401         winmap += line + (" " * padding_size)
 402         winmap_size[0] = winmap_size[0] + 1
 403     offset = [0, 0]
 404     return offset, winmap_size, winmap
 405
 406
 407 def win_info():
 408     winmap = "T: " + str(world_data["turn"]) \
 409         + " H: " + str(world_data["lifepoints"]) \
 410         + " S: " + str(world_data["satiation"])
 411     winmap_size = [1, len(winmap)]
 412     offset = [0, 0]
 413     return offset, winmap_size, winmap
 414
 415
 416 def win_log():
 417     win_size = next(win["size"] for win in windows if win["func"] == win_log)
 418     offset = [0, 0]
 419     winmap = ""
 420     number_of_lines = 0
 421     for line in world_data["log"]:
 422         number_of_lines += math.ceil(len(line) / win_size[1])
 423         padding_size = win_size[1] - (len(line) % win_size[1])
 424         winmap += line + (padding_size * " ")
 425     if number_of_lines < win_size[0]:
 426         winmap = (" " * win_size[1] * (win_size[0] - number_of_lines)) + winmap
 427         number_of_lines = win_size[0]
 428     elif number_of_lines > win_size[0]:
 429         offset[0] = number_of_lines - win_size[0]
 430     winmap_size = [number_of_lines, win_size[1]]
 431     return offset, winmap_size, winmap
 432
 433
 434 def command_quit():
 435     command_sender("QUIT")()
 436     raise SystemExit("Received QUIT command, forwarded to server, leaving.")
 437
 438
 439 def command_toggle_look_mode():
 440     if not world_data["look_mode"]:
 441         world_data["look_mode"] = True
 442     else:
 443         world_data["look_mode"] = False
 444         world_data["map_center"] = world_data["avatar_position"]
 445         query_mapcell()
 446
 447
 448 def command_sender(string, int_field=None):
 449     def command_send():
 450         int_string = ""
 451         if int_field:
 452             int_string = " " + str(world_data[int_field])
 453         io["file_out"].write(string + int_string + "\n")
 454         io["file_out"].flush()
 455     return command_send
 456
 457
 458 def command_looker(string):
 459     def command_look():
 460         if string == "west" \
 461                 and world_data["map_center"][1] > 0:
 462             world_data["map_center"][1] -= 1
 463         elif string == "east" \
 464                 and world_data["map_center"][1] < world_data["map_size"] - 1:
 465             world_data["map_center"][1] += 1
 466         else:
 467             y_unevenness = world_data["map_center"][0] % 2
 468             y_evenness = int(not(y_unevenness))
 469             if string[6:] == "west" and \
 470                     world_data["map_center"][1] > -y_unevenness:
 471                 if string[:5] == "north" and world_data["map_center"][0] > 0:
 472                     world_data["map_center"][0] -= 1
 473                     world_data["map_center"][1] -= y_evenness
 474                 if string[:5] == "south" and world_data["map_center"][0] \
 475                         < world_data["map_size"] - 1:
 476                     world_data["map_center"][0] += 1
 477                     world_data["map_center"][1] -= y_evenness
 478             elif string[6:] == "east" and world_data["map_center"][1] \
 479                     < world_data["map_size"] - y_unevenness:
 480                 if string[:5] == "north" and world_data["map_center"][0] > 0:
 481                     world_data["map_center"][0] -= 1
 482                     world_data["map_center"][1] += y_unevenness
 483                 if string[:5] == "south" and world_data["map_center"][0] \
 484                         < world_data["map_size"] - 1:
 485                     world_data["map_center"][0] += 1
 486                     world_data["map_center"][1] += y_unevenness
 487         query_mapcell()
 488     return command_look
 489
 490
 491 def command_inventory_selector(string):
 492     def command_inventory_select():
 493         logfile = open("logfile", "a")
 494         logfile.write(string + "\n")
 495         logfile.close()
 496         if string == "up" and world_data["inventory_selection"] > 0:
 497             world_data["inventory_selection"] -= 1
 498         elif string == "down" and world_data["inventory_selection"] \
 499                 < len(world_data["inventory"]) - 1:
 500             world_data["inventory_selection"] += 1
 501     return command_inventory_select
 502
 503
 504 windows = [
 505     {"config": [1, 33], "func": win_info},
 506     {"config": [-7, 33], "func": win_log},
 507     {"config": [4, 16], "func": win_inventory},
 508     {"config": [4, 16], "func": win_look},
 509     {"config": [0, -34], "func": win_map}
 510 ]
 511 io = {
 512     "path_out": "server/in",
 513     "path_in": "server/out",
 514     "path_worldstate": "server/worldstate"
 515 }
 516 commands = {
 517     "A": (command_sender("ai"),),
 518     "D": (command_sender("drop", "inventory_selection"),),
 519     "P": (command_sender("pick_up"),),
 520     "Q": (command_quit,),
 521     "U": (command_sender("use", "inventory_selection"),),
 522     "W": (command_sender("wait"),),
 523     "c": (command_sender("move south-east"), command_looker("south-east")),
 524     "d": (command_sender("move east"), command_looker("east")),
 525     "e": (command_sender("move north-east"), command_looker("north-east")),
 526     "j": (command_inventory_selector("down"),),
 527     "k": (command_inventory_selector("up"),),
 528     "l": (command_toggle_look_mode,),
 529     "s": (command_sender("move west"), command_looker("west")),
 530     "w": (command_sender("move north-west"), command_looker("north-west")),
 531     "x": (command_sender("move south-west"), command_looker("south-west")),
 532 }
 533 message_queue = {
 534     "open_end": False,
 535     "messages": []
 536 }
 537 world_data = {
 538     "avatar_position": [-1, -1],
 539     "fov_map": "",
 540     "inventory": [],
 541     "inventory_selection": 0,
 542     "lifepoints": -1,
 543     "look": [],
 544     "look_mode": False,
 545     "log": [],
 546     "map_center": [-1, -1],
 547     "map_size": 0,
 548     "mem_map": "",
 549     "satiation": -1,
 550     "turn": -1
 551 }
 552 sep_size = 1  # Width of inter-window borders and title bars.
 553 stdscr = None
 554 screen_size = [0,0]
 555
 556
 557 try:
 558     if (not os.access(io["path_out"], os.F_OK)):
 559         msg = "No server input file found at " + io["path_out"] + "."
 560         raise SystemExit(msg)
 561     io["file_out"] = open(io["path_out"], "a")
 562     io["file_in"] = open(io["path_in"], "r")
 563     curses.wrapper(cursed_main)
 564 except SystemExit as exit:
 565     print("ABORTING: " + exit.args[0])
 566 except:
 567     print("SOMETHING WENT WRONG IN UNEXPECTED WAYS")
 568     raise
 569 finally:
 570     if "file_out" in io:
 571         io["file_out"].close()
 572     if "file_in" in io:
 573         io["file_in"].close()