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New client: Remove unneeded outcommented code.
[plomrogue] / client_prototype.py
index 181468ddd9da07cd9155bbf878027add00ec8618..2b8719922fd5ba4bdccf3a3921d8e8b125cba17b 100644 (file)
@@ -1,4 +1,5 @@
 import curses
+import math
 import os
 import signal
 import time
@@ -84,19 +85,28 @@ def set_window_geometries():
 
 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]
-                    # start = start if start >= 0 else 0
                     end = win["start"][k] + win["size"][k]
                     end = end if end < screen_size[k] else screen_size[k]
                     if k:
-                        [stdscr.addch(j, i, '-') for i in range(start, end)]
+                        [healthy_addch(j, i, '-') for i in range(start, end)]
                     else:
-                        [stdscr.addch(i, j, '|') for i in range(start, end)]
+                        [healthy_addch(i, j, '|') for i in range(start, end)]
 
     def draw_window_border_corners():
         for win in windows:
@@ -106,29 +116,40 @@ def draw_screen():
             right = win["start"][1] + win["size"][1]
             if (up >= 0 and up < screen_size[0]):
                 if (left >= 0 and left < screen_size[1]):
-                    stdscr.addch(up, left, '+')
+                    healthy_addch(up, left, '+')
                 if (right >= 0 and right < screen_size[1]):
-                    stdscr.addch(up, right, '+')
+                    healthy_addch(up, right, '+')
             if (down >= 0 and down < screen_size[0]):
                 if (left >= 0 and left < screen_size[1]):
-                    stdscr.addch(down, left, '+')
+                    healthy_addch(down, left, '+')
                 if (right >= 0 and right < screen_size[1]):
-                    stdscr.addch(down, right, '+')
+                    healthy_addch(down, right, '+')
 
     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]
-                stop[i] = stop[i] if stop[i] < size[i] else size[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 * size[1] + x]
+                    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]):
-                        stdscr.addch(y_in_screen, x_in_screen, cell)
+                        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 + ' '
@@ -138,12 +159,12 @@ def draw_screen():
                     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)
-                        stdscr.addch(y, x, hint[j], curses.A_REVERSE)
+                        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)
-                    stdscr.addch(y, x, ar1 if ni else ar2, curses.A_REVERSE)
+                    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'
@@ -151,108 +172,383 @@ def draw_screen():
                     pos_1 = win["start"][i]
                     draw_scroll_arrows('^', '<')
                     draw_scroll_string(offset[i])
-                if (size[i] > offset[i] + win["size"][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(size[i] - offset[i] - win["size"][i])
+                    draw_scroll_string(winmap_size[i] - offset[i]
+                        - win["size"][i])
         for win in windows:
-            offset, size, winmap = win["func"]()
+            offset, winmap_size, winmap = win["func"]()
             draw_winmap()
             draw_scroll_hints()
 
-    stdscr.clear()
+    stdscr.erase()
     draw_window_border_lines()
     draw_window_border_corners()
     draw_window_contents()
     stdscr.refresh()
 
 
-def ping_test(server_answered):
-    half_wait_time = 5
-    if server_answered:
-        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(string):
-    if string == "":
-        return
-    new_open_end = False
-    if string[-1] is not "\n":
-        new_open_end = True
-    new_messages = string.splitlines()
-    if message_queue["open_end"]:
-        message_queue["messages"][-1] = message_queue["messages"][-1] + new_messages[0]
-        del new_messages[0]
-    message_queue["messages"] = message_queue["messages"] + new_messages
-    if new_open_end:
-        message_queue["open_end"] = True
+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)
-    # stdscr.keypad(True)
     signal.signal(signal.SIGWINCH,
         lambda ignore_1, ignore_2: set_window_geometries())
     set_window_geometries()
     delay = 1
     while True:
-        stdscr.timeout(delay)
-        delay = delay * 2 if delay < 1000 else delay
+        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):
-            if chr(char) in commands:
-                commands[chr(char)]()
-                cursed_main.redraw = True
+        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(len(new_data_from_server) > 0)
-        read_into_message_queue(new_data_from_server)
+        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 foo():
-    winmap = ['.', 'o', '.', 'o', 'O', 'o', '.', 'o', '.', 'x', 'y', 'x']
-    size = [4, 3]
+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]
-    return offset, size, winmap
+    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 = [0, 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():
-    io["file_out"].write("QUIT\n")
-    io["file_out"].flush()
+    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_inventory_selector(string):
+    def command_inventory_select():
+        logfile = open("logfile", "a")
+        logfile.write(string + "\n")
+        logfile.close()
+        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": foo},
-    {"config": [-7, 33], "func": foo},
-    {"config": [4, 16], "func": foo},
-    {"config": [4, 16], "func": foo},
-    {"config": [0, -34], "func": foo}
+    {"config": [1, 33], "func": win_info},
+    {"config": [-7, 33], "func": win_log},
+    {"config": [4, 16], "func": win_inventory},
+    {"config": [4, 16], "func": win_look},
+    {"config": [0, -34], "func": win_map}
 ]
 io = {
     "path_out": "server/in",
-    "path_in": "server/out"
+    "path_in": "server/out",
+    "path_worldstate": "server/worldstate"
 }
 commands = {
-    "Q": command_quit
+    "A": (command_sender("ai"),),
+    "D": (command_sender("drop", "inventory_selection"),),
+    "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,
+    "log": [],
+    "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]