X-Git-Url: https://plomlompom.com/repos/foo.html?a=blobdiff_plain;f=client.py;fp=client.py;h=0000000000000000000000000000000000000000;hb=ff3a55c51e49f1b356f8eb056609e17b845ebb77;hp=6e22d0006f4d911d06c1373faf968a836b17a206;hpb=5f2e6342f11b5fd438f4c3d60f48f0bd08f32590;p=plomrogue2-experiments diff --git a/client.py b/client.py deleted file mode 100755 index 6e22d00..0000000 --- a/client.py +++ /dev/null @@ -1,274 +0,0 @@ -#!/usr/bin/env python3 -import urwid -import plom_socket_io -import socket -import threading -from parser import ArgError, Parser -import game_common - - -class MapSquare(game_common.Map): - - def list_terrain_to_lines(self, terrain_as_list): - terrain = ''.join(terrain_as_list) - map_lines = [] - start_cut = 0 - while start_cut < len(terrain): - limit = start_cut + self.size[1] - map_lines += [terrain[start_cut:limit]] - start_cut = limit - return map_lines - - -class MapHex(game_common.Map): - - def list_terrain_to_lines(self, terrain_as_list): - new_terrain_list = [' '] - x = 0 - y = 0 - for c in terrain_as_list: - new_terrain_list += [c, ' '] - x += 1 - if x == self.size[1]: - new_terrain_list += ['\n'] - x = 0 - y += 1 - if y % 2 == 0: - new_terrain_list += [' '] - return ''.join(new_terrain_list).split('\n') - - -map_manager = game_common.MapManager(globals()) - - -class World(game_common.World): - - def __init__(self, game, *args, **kwargs): - """Extend original with local classes and empty default map. - - We need the empty default map because we draw the map widget - on any update, even before we actually receive map data. - """ - super().__init__(*args, **kwargs) - self.game = game - self.map_ = self.game.map_manager.get_map_class('Hex')() - - -class Game(game_common.CommonCommandsMixin): - - def __init__(self): - self.map_manager = map_manager - self.world = World(self) - self.log_text = '' - - def log(self, msg): - """Prefix msg plus newline to self.log_text.""" - self.log_text = msg + '\n' + self.log_text - - def symbol_for_type(self, type_): - symbol = '?' - if type_ == 'human': - symbol = '@' - elif type_ == 'monster': - symbol = 'm' - return symbol - - def cmd_LAST_PLAYER_TASK_RESULT(self, msg): - if msg != "success": - self.log_text = msg + '\n' + self.log_text - cmd_LAST_PLAYER_TASK_RESULT.argtypes = 'string' - - def cmd_TURN_FINISHED(self, n): - """Do nothing. (This may be extended later.)""" - pass - cmd_TURN_FINISHED.argtypes = 'int:nonneg' - - def cmd_NEW_TURN(self, n): - """Set self.turn to n, empty self.things.""" - self.world.turn = n - self.world.things = [] - cmd_NEW_TURN.argtypes = 'int:nonneg' - - def cmd_VISIBLE_MAP_LINE(self, y, terrain_line): - self.world.map_.set_line(y, terrain_line) - cmd_VISIBLE_MAP_LINE.argtypes = 'int:nonneg string' - - -class WidgetManager: - - def __init__(self, socket, game): - """Set up all urwid widgets we want on the screen.""" - self.game = game - edit_widget = self.EditToSocketWidget(socket, 'SEND: ') - self.map_widget = self.MapWidget() - self.turn_widget = urwid.Text('') - self.log_widget = urwid.Text('') - edit_map = urwid.AttrMap(edit_widget, 'foo') - turn_map = urwid.AttrMap(self.turn_widget, 'bar') - log_map = urwid.AttrMap(self.log_widget, 'baz') - widget_pile = urwid.Pile([('pack', edit_map), - ('pack', urwid.Divider()), - ('pack', turn_map), - ('pack', urwid.Divider()), - ('pack', log_map), - urwid.SolidFill(fill_char=' ')]) - self.top = urwid.Columns([(20, widget_pile), self.map_widget], - dividechars=1) - self.palette = [('foo', 'white', 'dark red'), - ('bar', 'white', 'dark blue'), - ('baz', 'white', 'dark green')] - - def draw_map(self): - """Draw map view from .game.map_.terrain, .game.things.""" - terrain_as_list = list(self.game.world.map_.terrain[:]) - for t in self.game.world.things: - pos_i = self.game.world.map_.get_position_index(t.position) - terrain_as_list[pos_i] = self.game.symbol_for_type(t.type_) - return self.game.world.map_.list_terrain_to_lines(terrain_as_list) - #text = self.game.world.map_.list_terrain_to_lines(terrain_as_list) - #new_map_text = [] - #for char in text: - # if char == '.': - # new_map_text += [('foo', char)] - # elif char in {'x', 'X', '#'}: - # new_map_text += [('bar', char)] - # elif char in {'@', 'm'}: - # new_map_text += [('baz', char)] - # else: - # new_map_text += [char] - #return new_map_text - - def update(self): - """Redraw all non-edit widgets.""" - self.turn_widget.set_text('TURN: ' + str(self.game.world.turn)) - self.log_widget.set_text(self.game.log_text) - self.map_widget.text = self.draw_map() - self.map_widget._invalidate() - - class EditToSocketWidget(urwid.Edit): - """Extends urwid.Edit with socket to send input on 'enter' to.""" - - def __init__(self, socket, *args, **kwargs): - super().__init__(*args, **kwargs) - self.socket = socket - - def keypress(self, size, key): - """Extend super(): on Enter, send .edit_text, and empty it.""" - if key != 'enter': - return super().keypress(size, key) - plom_socket_io.send(self.socket, self.edit_text) - self.edit_text = '' - - class MapWidget(urwid.Widget): - _sizing = frozenset(['box']) - text = [''] - - def render(self, size, focus=False): - maxcol, maxrow = size - content = [] - for y in range(len(self.text)): - if y < maxrow: - line = self.text[y] - if len(line) < maxcol: - line = line + '0' * (maxcol - len(line)) - else: - line = line[:maxcol] - content += [line.encode('utf-8')] - padding_y = maxrow - len(content) - if padding_y > 0: - for y in range(padding_y): - content += ['0'.encode('utf-8') * maxcol] - return urwid.TextCanvas(content) - - -class PlomRogueClient: - - def __init__(self, game, socket): - """Build client urwid interface around socket communication. - - Sets up all widgets for writing to the socket and representing data - from it. Sending via a WidgetManager.EditToSocket widget is - straightforward; polling the socket for input from the server in - parallel to the urwid main loop not so much: - - The urwid developers warn against sharing urwid resources among - threads, so having a socket polling thread for writing to an urwid - widget while other widgets are handled in other threads would be - dangerous. Urwid developers recommend using urwid's watch_pipe - mechanism instead: using a pipe from non-urwid threads into a single - urwid thread. We use self.recv_loop_thread to poll the socket, therein - write socket.recv output to an object that is then linked to by - self.server_output (which is known to the urwid thread), then use the - pipe to urwid to trigger it pulling new data from self.server_output to - handle via self.handle_input. (We *could* pipe socket.recv output - directly, but then we get complicated buffering situations here as well - as in the urwid code that receives the pipe output. It's easier to just - tell the urwid code where it finds full new server messages to handle.) - """ - self.game = game - self.parser = Parser(self.game) - self.socket = socket - self.widget_manager = WidgetManager(self.socket, self.game) - self.server_output = [] - self.urwid_loop = urwid.MainLoop(self.widget_manager.top, - self.widget_manager.palette) - self.urwid_pipe_write_fd = self.urwid_loop.watch_pipe(self. - handle_input) - self.recv_loop_thread = threading.Thread(target=self.recv_loop) - - def handle_input(self, trigger): - """On input from recv_loop thread, parse and enact commands. - - Serves as a receiver to urwid's watch_pipe mechanism, with trigger the - data that a pipe defined by watch_pipe delivers. To avoid buffering - trouble, we don't care for that data beyond the fact that its receival - triggers this function: The sender is to write the data it wants to - deliver into the container referenced by self.server_output, and just - pipe the trigger to inform us about this. - - If the message delivered is 'BYE', quits Urwid. Otherwise tries to - parse it as a command, and enact it. In all cases but the 'BYE', calls - self.widget_manager.update. - """ - msg = self.server_output[0] - if msg == 'BYE': - raise urwid.ExitMainLoop() - try: - command = self.parser.parse(msg) - if command is None: - self.game.log('UNHANDLED INPUT: ' + msg) - else: - command() - except ArgError as e: - self.game.log('ARGUMENT ERROR: ' + msg + '\n' + str(e)) - self.widget_manager.update() - del self.server_output[0] - - def recv_loop(self): - """Loop to receive messages from socket, deliver them to urwid thread. - - Waits for self.server_output to become empty (this signals that the - input handler is finished / ready to receive new input), then writes - finished message from socket to self.server_output, then sends a single - b' ' through self.urwid_pipe_write_fd to trigger the input handler. - """ - import os - for msg in plom_socket_io.recv(self.socket): - while len(self.server_output) > 0: # Wait until self.server_output - pass # is emptied by input handler. - self.server_output += [msg] - os.write(self.urwid_pipe_write_fd, b' ') - - def run(self): - """Run in parallel urwid_loop and recv_loop threads.""" - self.recv_loop_thread.start() - self.urwid_loop.run() - self.recv_loop_thread.join() - - -if __name__ == '__main__': - game = Game() - s = socket.create_connection(('127.0.0.1', 5000)) - p = PlomRogueClient(game, s) - p.run() - s.close()