-import curses
-import math
-import os
-import signal
-import time
-
-
-def set_window_geometries():
-
- def set_window_size():
- win["size"], win["start"] = [0, 0], [0, 0]
- win["size"][0] = win["config"][0]
- if (win["config"][0] == 0):
- win["size"][0] = screen_size[0] - sep_size
- elif (win["config"][0] < 0):
- win["size"][0] = screen_size[0] + win["config"][0] - sep_size
- win["size"][1] = win["config"][1]
- if (win["config"][1] == 0):
- win["size"][1] = screen_size[1]
- elif (win["config"][1] < 0):
- win["size"][1] = screen_size[1] + win["config"][1]
-
- def place_window():
- win_i = windows.index(win)
-
- # If win is first window, it goes into the top left corner.
- win["start"][0] = 0 + sep_size
- win["start"][1] = 0
- if (win_i > 0):
-
- # If not, get win's closest predecessor starting a new stack on the
- # screen top,fit win's top left to that win_top's top right corner.
- win_top = None
- for i in range(win_i - 1, -1, -1):
- win_top = windows[i]
- if (win_top["start"][0] == 0 + sep_size):
- break
- win["start"][1] = win_top["start"][1] + win_top["size"][1] \
- + sep_size
-
- # If enough space is found below win's predecessor, fit win's top
- # left corner to that predecessor's bottom left corner.
- win_prev = windows[win_i - 1]
- next_free_y = win_prev["start"][0] + win_prev["size"][0] + sep_size
- if (win["size"][1] <= win_prev["size"][1] and
- win["size"][0] <= screen_size[0] - next_free_y):
- win["start"][1] = win_prev["start"][1]
- win["start"][0] = next_free_y
-
- # If that fails, try to fit win's top left corner to the top right
- # corner of its closest predecessor win_test 1) below win_top (see
- # above) 2) and with enough space open to its right between its
- # right edge and the lower edge of a win_high located directly
- # above win_test to fit win there (without growing further to the
- # right than win_high does or surpassing the screen's lower edge).
- else:
- win_test = win_prev
- win_high = None
- while (win_test != win_top):
- for i in range(win_i - 2, -1, -1):
- win_high = windows[i]
- if win_test["start"][0] > win_high["start"][0]:
- break
- next_free_y = win_high["start"][0] + win_high["size"][0] \
- + sep_size
- first_free_x = win_test["start"][1] + win_test["size"][1] \
- + sep_size
- last_free_x = win_high["start"][1] + win_high["size"][1]
- if (win["size"][0] <= screen_size[0] - next_free_y and
- win["size"][1] <= last_free_x - first_free_x):
- win["start"][1] = first_free_x
- win["start"][0] = next_free_y
- break
- win_test = win_high
-
- global screen_size, stdscr
- curses.endwin()
- stdscr = curses.initscr()
- screen_size = stdscr.getmaxyx()
- for win in windows:
- set_window_size()
- place_window()
- cursed_main.redraw = True
-
-
-def draw_screen():
-
- def healthy_addch(y, x, char, attr=0):
- """Workaround for <http://stackoverflow.com/questions/7063128/>."""
- if y == screen_size[0] - 1 and x == screen_size[1] - 1:
- char_before = stdscr.inch(y, x - 1)
- stdscr.addch(y, x - 1, char, attr)
- stdscr.insstr(y, x - 1, " ")
- stdscr.addch(y, x - 1, char_before)
- else:
- stdscr.addch(y, x, char, attr)
-
- def draw_window_border_lines():
- for win in windows:
- for k in range(2):
- j = win["start"][int(k == 0)] - sep_size
- if (j >= 0 and j < screen_size[int(k == 0)]):
- start = win["start"][k]
- end = win["start"][k] + win["size"][k]
- end = end if end < screen_size[k] else screen_size[k]
- if k:
- [healthy_addch(j, i, '-') for i in range(start, end)]
- else:
- [healthy_addch(i, j, '|') for i in range(start, end)]
-
- def draw_window_border_corners():
- for win in windows:
- up = win["start"][0] - sep_size
- down = win["start"][0] + win["size"][0]
- left = win["start"][1] - sep_size
- right = win["start"][1] + win["size"][1]
- if (up >= 0 and up < screen_size[0]):
- if (left >= 0 and left < screen_size[1]):
- healthy_addch(up, left, '+')
- if (right >= 0 and right < screen_size[1]):
- healthy_addch(up, right, '+')
- if (down >= 0 and down < screen_size[0]):
- if (left >= 0 and left < screen_size[1]):
- healthy_addch(down, left, '+')
- if (right >= 0 and right < screen_size[1]):
- healthy_addch(down, right, '+')
-
- def draw_window_titles():
- for win in windows:
- title = " " + win["title"] + " "
- if len(title) <= win["size"][1]:
- y = win["start"][0] - 1
- start_x = win["start"][1] + int((win["size"][1] \
- - len(title))/2)
- for x in range(len(title)):
- healthy_addch(y, start_x + x, title[x])
-
- def draw_window_contents():
- def draw_winmap():
- """Draw winmap in area delimited by offset, winmap_size.
-
- The individuall cell of a winmap is interpreted as either a single
- character element, or as a tuple of character and attribute,
- depending on the size len(cell) spits out.
- """
- stop = [0, 0]
- for i in range(2):
- stop[i] = win["size"][i] + offset[i]
- if stop[i] >= winmap_size[i]:
- stop[i] = winmap_size[i]
- for y in range(offset[0], stop[0]):
- for x in range(offset[1], stop[1]):
- cell = winmap[y * winmap_size[1] + x]
- attr = 0
- if len(cell) > 1:
- attr = cell[1]
- cell = cell[0]
- y_in_screen = win["start"][0] + (y - offset[0])
- x_in_screen = win["start"][1] + (x - offset[1])
- if (y_in_screen < screen_size[0]
- and x_in_screen < screen_size[1]):
- healthy_addch(y_in_screen, x_in_screen, cell, attr)
- def draw_scroll_hints():
- def draw_scroll_string(n_lines_outside):
- hint = ' ' + str(n_lines_outside + 1) + ' more ' + unit + ' '
- if len(hint) <= win["size"][ni]:
- non_hint_space = win["size"][ni] - len(hint)
- hint_offset = int(non_hint_space / 2)
- for j in range(win["size"][ni] - non_hint_space):
- pos_2 = win["start"][ni] + hint_offset + j
- x, y = (pos_2, pos_1) if ni else (pos_1, pos_2)
- healthy_addch(y, x, hint[j], curses.A_REVERSE)
- def draw_scroll_arrows(ar1, ar2):
- for j in range(win["size"][ni]):
- pos_2 = win["start"][ni] + j
- x, y = (pos_2, pos_1) if ni else (pos_1, pos_2)
- healthy_addch(y, x, ar1 if ni else ar2, curses.A_REVERSE)
- for i in range(2):
- ni = int(i == 0)
- unit = 'rows' if ni else 'columns'
- if (offset[i] > 0):
- pos_1 = win["start"][i]
- draw_scroll_arrows('^', '<')
- draw_scroll_string(offset[i])
- if (winmap_size[i] > offset[i] + win["size"][i]):
- pos_1 = win["start"][i] + win["size"][i] - 1
- draw_scroll_arrows('v', '>')
- draw_scroll_string(winmap_size[i] - offset[i]
- - win["size"][i])
- for win in windows:
- offset, winmap_size, winmap = win["func"]()
- draw_winmap()
- draw_scroll_hints()
-
- stdscr.erase()
- draw_window_border_lines()
- draw_window_border_corners()
- draw_window_titles()
- draw_window_contents()
- stdscr.refresh()
-
-
-def read_worldstate():
- if not os.access(io["path_worldstate"], os.F_OK):
- msg = "No world state file found at " + io["path_worldstate"] + "."
- raise SystemExit(msg)
- read_anew = False
- worldstate_file = open(io["path_worldstate"], "r")
- turn_string = worldstate_file.readline()
- if int(turn_string) != world_data["turn"]:
- read_anew = True
- if not read_anew: # In rare cases, world may change, but not turn number.
- mtime = os.stat(io["path_worldstate"])
- if mtime != read_worldstate.last_checked_mtime:
- read_worldstate.last_checked_mtime = mtime
- read_anew = True
- if read_anew:
- cursed_main.redraw = True
- world_data["turn"] = int(turn_string)
- world_data["lifepoints"] = int(worldstate_file.readline())
- world_data["satiation"] = int(worldstate_file.readline())
- world_data["inventory"] = []
- while True:
- line = worldstate_file.readline().replace("\n", "")
- if line == '%':
- break
- world_data["inventory"] += [line]
- world_data["avatar_position"][0] = int(worldstate_file.readline())
- world_data["avatar_position"][1] = int(worldstate_file.readline())
- if not world_data["look_mode"]:
- world_data["map_center"][0] = world_data["avatar_position"][0]
- world_data["map_center"][1] = world_data["avatar_position"][1]
- world_data["map_size"] = int(worldstate_file.readline())
- world_data["fov_map"] = ""
- for i in range(world_data["map_size"]):
- line = worldstate_file.readline().replace("\n", "")
- world_data["fov_map"] += line
- world_data["mem_map"] = ""
- for i in range(world_data["map_size"]):
- line = worldstate_file.readline().replace("\n", "")
- world_data["mem_map"] += line
- worldstate_file.close()
-read_worldstate.last_checked_mtime = -1
-
-
-def read_message_queue():
- while (len(message_queue["messages"]) > 1
- or (len(message_queue["messages"]) == 1
- and not message_queue["open_end"])):
- message = message_queue["messages"].pop(0)
- if message == "THINGS_HERE START":
- read_message_queue.parse_thingshere = True
- world_data["look"] = []
- elif message == "THINGS_HERE END":
- read_message_queue.parse_thingshere = False
- if world_data["look"] == []:
- world_data["look"] = ["(none known)"]
- cursed_main.redraw = True
- elif read_message_queue.parse_thingshere:
- world_data["look"] += [message]
- elif message[0:4] == "LOG ":
- world_data["log"] += [message[4:]]
- cursed_main.redraw = True
- elif message == "WORLD_UPDATED":
- query_mapcell()
-read_message_queue.parse_thingshere = False
-
-
-def query_mapcell():
- command_sender("THINGS_HERE " + str(world_data["map_center"][0]) + " "
- + str(world_data["map_center"][1]))()
- world_data["look"] = ["(polling)"]
-
-
-def cursed_main(stdscr):
-
- def ping_test():
- half_wait_time = 5
- if len(new_data_from_server) > 0:
- ping_test.sent = False
- elif ping_test.wait_start + half_wait_time < time.time():
- if not ping_test.sent:
- io["file_out"].write("PING\n")
- io["file_out"].flush()
- ping_test.sent = True
- ping_test.wait_start = time.time()
- elif ping_test.sent:
- raise SystemExit("Server not answering anymore.")
- ping_test.wait_start = 0
-
- def read_into_message_queue():
- if new_data_from_server == "":
- return
- new_open_end = False
- if new_data_from_server[-1] is not "\n":
- new_open_end = True
- new_messages = new_data_from_server.splitlines()
- if message_queue["open_end"]:
- message_queue["messages"][-1] += new_messages[0]
- del new_messages[0]
- message_queue["messages"] += new_messages
- if new_open_end:
- message_queue["open_end"] = True
-
- curses.noecho()
- curses.curs_set(False)
- signal.signal(signal.SIGWINCH,
- lambda ignore_1, ignore_2: set_window_geometries())
- set_window_geometries()
- delay = 1
- while True:
- stdscr.timeout(int(delay))
- delay = delay * 1.1 if delay < 1000 else delay
- if cursed_main.redraw:
- delay = 1
- draw_screen()
- cursed_main.redraw = False
- char = stdscr.getch()
- if char >= 0:
- char = chr(char)
- if char in commands:
- if len(commands[char]) == 1 or not world_data["look_mode"]:
- commands[char][0]()
- cursed_main.redraw = True
- else:
- commands[char][1]()
- cursed_main.redraw = True
- new_data_from_server = io["file_in"].read()
- ping_test()
- read_into_message_queue()
- read_worldstate()
- read_message_queue()
-
-
-def win_map():
- win_size = next(win["size"] for win in windows if win["func"] == win_map)
- offset = [0, 0]
- for i in range(2):
- if world_data["map_center"][i] * (i + 1) > win_size[i] / 2:
- if world_data["map_center"][i] * (i + 1) \
- < world_data["map_size"] * (i + 1) - win_size[i] / 2:
- offset[i] = world_data["map_center"][i] * (i + 1) \
- - int(win_size[i] / 2)
- if i == 1:
- offset[1] = offset[1] + world_data["map_center"][0] % 2
- else:
- offset[i] = world_data["map_size"] * (i + 1) - win_size[i] + i
- winmap_size = [world_data["map_size"], world_data["map_size"] * 2 + 1]
- winmap = []
- curses.init_pair(1, curses.COLOR_WHITE, curses.COLOR_BLUE)
- curses.init_pair(2, curses.COLOR_BLUE, curses.COLOR_BLACK)
- for y in range(world_data["map_size"]):
- for x in range(world_data["map_size"]):
- char = world_data["fov_map"][y * world_data["map_size"] + x]
- if world_data["look_mode"] and y == world_data["map_center"][0] \
- and x == world_data["map_center"][1]:
- if char == " ":
- char = \
- world_data["mem_map"][y * world_data["map_size"] + x]
- winmap += [(char, curses.A_REVERSE), (" ", curses.A_REVERSE)]
- continue
- if char == " ":
- char = world_data["mem_map"][y * world_data["map_size"] + x]
- attribute = curses.color_pair(1) if char == " " \
- else curses.color_pair(2)
- winmap += [(char, attribute), (" ", attribute)]
- else:
- winmap += char + " "
- if y % 2 == 0:
- winmap += " "
- return offset, winmap_size, winmap
-
-
-def win_inventory():
- win_size = next(win["size"] for win in windows
- if win["func"] == win_inventory)
- winmap = []
- winmap_size = [0, win_size[1]]
- for line in world_data["inventory"]:
- winmap_size[1] = winmap_size[1] if len(line) <= winmap_size[1] \
- else len(line)
- count = 0
- for line in world_data["inventory"]:
- padding_size = winmap_size[1] - len(line)
- line += (" " * padding_size)
- if count == world_data["inventory_selection"]:
- line_new = []
- for x in range(len(line)):
- line_new += [(line[x], curses.A_REVERSE)]
- line = line_new
- winmap += line
- winmap_size[0] = winmap_size[0] + 1
- count += 1
- offset = [0, 0]
- if world_data["inventory_selection"] > win_size[0]/2:
- if world_data["inventory_selection"] < len(world_data["inventory"]) \
- - win_size[0]/2:
- offset[0] = world_data["inventory_selection"] - int(win_size[0]/2)
- else:
- offset[0] = len(world_data["inventory"]) - win_size[0]
- return offset, winmap_size, winmap
-
-
-def win_look():
- winmap = ""
- winmap_size = [0, 0]
- for line in world_data["look"]:
- winmap_size[1] = winmap_size[1] if len(line) <= winmap_size[1] \
- else len(line)
- for line in world_data["look"]:
- padding_size = winmap_size[1] - len(line)
- winmap += line + (" " * padding_size)
- winmap_size[0] = winmap_size[0] + 1
- offset = [world_data["look_scroll"], 0]
- return offset, winmap_size, winmap
-
-
-def win_info():
- winmap = "T: " + str(world_data["turn"]) \
- + " H: " + str(world_data["lifepoints"]) \
- + " S: " + str(world_data["satiation"])
- winmap_size = [1, len(winmap)]
- offset = [0, 0]
- return offset, winmap_size, winmap
-
-
-def win_log():
- win_size = next(win["size"] for win in windows if win["func"] == win_log)
- offset = [0, 0]
- winmap = ""
- number_of_lines = 0
- for line in world_data["log"]:
- number_of_lines += math.ceil(len(line) / win_size[1])
- padding_size = win_size[1] - (len(line) % win_size[1])
- winmap += line + (padding_size * " ")
- if number_of_lines < win_size[0]:
- winmap = (" " * win_size[1] * (win_size[0] - number_of_lines)) + winmap
- number_of_lines = win_size[0]
- elif number_of_lines > win_size[0]:
- offset[0] = number_of_lines - win_size[0]
- winmap_size = [number_of_lines, win_size[1]]
- return offset, winmap_size, winmap
-
-
-def command_quit():
- command_sender("QUIT")()
- raise SystemExit("Received QUIT command, forwarded to server, leaving.")
-
-
-def command_toggle_look_mode():
- if not world_data["look_mode"]:
- world_data["look_mode"] = True
- else:
- world_data["look_mode"] = False
- world_data["map_center"] = world_data["avatar_position"]
- query_mapcell()
-
-
-def command_sender(string, int_field=None):
- def command_send():
- int_string = ""
- if int_field:
- int_string = " " + str(world_data[int_field])
- io["file_out"].write(string + int_string + "\n")
- io["file_out"].flush()
- return command_send
-
-
-def command_looker(string):
- def command_look():
- if string == "west" \
- and world_data["map_center"][1] > 0:
- world_data["map_center"][1] -= 1
- elif string == "east" \
- and world_data["map_center"][1] < world_data["map_size"] - 1:
- world_data["map_center"][1] += 1
- else:
- y_unevenness = world_data["map_center"][0] % 2
- y_evenness = int(not(y_unevenness))
- if string[6:] == "west" and \
- world_data["map_center"][1] > -y_unevenness:
- if string[:5] == "north" and world_data["map_center"][0] > 0:
- world_data["map_center"][0] -= 1
- world_data["map_center"][1] -= y_evenness
- if string[:5] == "south" and world_data["map_center"][0] \
- < world_data["map_size"] - 1:
- world_data["map_center"][0] += 1
- world_data["map_center"][1] -= y_evenness
- elif string[6:] == "east" and world_data["map_center"][1] \
- < world_data["map_size"] - y_unevenness:
- if string[:5] == "north" and world_data["map_center"][0] > 0:
- world_data["map_center"][0] -= 1
- world_data["map_center"][1] += y_unevenness
- if string[:5] == "south" and world_data["map_center"][0] \
- < world_data["map_size"] - 1:
- world_data["map_center"][0] += 1
- world_data["map_center"][1] += y_unevenness
- query_mapcell()
- return command_look
-
-
-def command_look_scroller(string):
- def command_look_scroll():
- win_size = next(win["size"] for win in windows
- if win["func"] == win_look)
- if string == "up" and world_data["look_scroll"] > 0:
- world_data["look_scroll"] -= 1
- elif string == "down" and world_data["look_scroll"] \
- < len(world_data["look"]) - win_size[0]:
- world_data["look_scroll"] += 1
- return command_look_scroll
-
-
-def command_inventory_selector(string):
- def command_inventory_select():
- if string == "up" and world_data["inventory_selection"] > 0:
- world_data["inventory_selection"] -= 1
- elif string == "down" and world_data["inventory_selection"] \
- < len(world_data["inventory"]) - 1:
- world_data["inventory_selection"] += 1
- return command_inventory_select
-
-
-windows = [
- {"config": [1, 33], "func": win_info, "title": "Info"},
- {"config": [-7, 33], "func": win_log, "title": "Log"},
- {"config": [4, 16], "func": win_inventory, "title": "Inventory"},
- {"config": [4, 16], "func": win_look, "title": "Things here"},
- {"config": [0, -34], "func": win_map, "title": "Map"}
-]
-io = {
- "path_out": "server/in",
- "path_in": "server/out",
- "path_worldstate": "server/worldstate"
-}
-commands = {
- "A": (command_sender("ai"),),
- "D": (command_sender("drop", "inventory_selection"),),
- "J": (command_look_scroller("down"),),
- "K": (command_look_scroller("up"),),
- "P": (command_sender("pick_up"),),
- "Q": (command_quit,),
- "U": (command_sender("use", "inventory_selection"),),
- "W": (command_sender("wait"),),
- "c": (command_sender("move south-east"), command_looker("south-east")),
- "d": (command_sender("move east"), command_looker("east")),
- "e": (command_sender("move north-east"), command_looker("north-east")),
- "j": (command_inventory_selector("down"),),
- "k": (command_inventory_selector("up"),),
- "l": (command_toggle_look_mode,),
- "s": (command_sender("move west"), command_looker("west")),
- "w": (command_sender("move north-west"), command_looker("north-west")),
- "x": (command_sender("move south-west"), command_looker("south-west")),
-}
-message_queue = {
- "open_end": False,
- "messages": []
-}
-world_data = {
- "avatar_position": [-1, -1],
- "fov_map": "",
- "inventory": [],
- "inventory_selection": 0,
- "lifepoints": -1,
- "look": [],
- "look_mode": False,
- "look_scroll": 0,
- "log": [
-"QUICK COMMAND OVERVIEW: "
-"Move through map with 'w', 'e', 's', 'd', 'x', 'c'. "
-"Pick up things with 'P', drop a thing selected from the inventory with 'D' "
-"or use it with 'P'. "
-"Move through inventory selection with 'j' and 'k'. "
-"Toggle looking around mode with 'l'. "
-"Scroll 'Things here' window with 'J' and 'K'. "
-"Let AI decide next move with 'A'. "
-"Quit with 'Q'. ",
-"STATS OVERVIEW: "
-"'T': Turn; 'H': Health (the higher, the better); "
-"'S': Satiation (the closer to zero, the better).",
-"See README file for more help."
-],
- "map_center": [-1, -1],
- "map_size": 0,
- "mem_map": "",
- "satiation": -1,
- "turn": -1
-}
-sep_size = 1 # Width of inter-window borders and title bars.
-stdscr = None
-screen_size = [0,0]
-
-
-try:
- if (not os.access(io["path_out"], os.F_OK)):
- msg = "No server input file found at " + io["path_out"] + "."
- raise SystemExit(msg)
- io["file_out"] = open(io["path_out"], "a")
- io["file_in"] = open(io["path_in"], "r")
- curses.wrapper(cursed_main)
-except SystemExit as exit:
- print("ABORTING: " + exit.args[0])
-except:
- print("SOMETHING WENT WRONG IN UNEXPECTED WAYS")
- raise
-finally:
- if "file_out" in io:
- io["file_out"].close()
- if "file_in" in io:
- io["file_in"].close()