import threading
import queue
from parser import ArgError, Parser
+from server_.game import World, GameError
# Avoid "Address already in use" errors.
self.request.close()
-class Task:
-
- def __init__(self, name, args=(), kwargs={}):
- self.name = name
- self.args = args
- self.kwargs = kwargs
- self.todo = 1
-
-
-class Thing:
-
- def __init__(self, type_, position):
- self.type = type_
- self.position = position
- self.task = Task('wait')
-
- def task_wait(self):
- pass
-
- def task_move(self, direction):
- if direction == 'UP':
- self.position[0] -= 1
- elif direction == 'DOWN':
- self.position[0] += 1
- elif direction == 'RIGHT':
- self.position[1] += 1
- elif direction == 'LEFT':
- self.position[1] -= 1
-
- def decide_task(self):
- if self.position[1] > 1:
- self.set_task('move', 'LEFT')
- elif self.position[1] < 3:
- self.set_task('move', 'RIGHT')
- else:
- self.set_task('wait')
-
- def set_task(self, task, *args, **kwargs):
- self.task = Task(task, args, kwargs)
-
- def proceed(self, is_AI=True):
- """Further the thing in its tasks.
-
- Decrements .task.todo; if it thus falls to <= 0, enacts method whose
- name is 'task_' + self.task.name and sets .task = None. If is_AI, calls
- .decide_task to decide a self.task.
- """
- self.task.todo -= 1
- if self.task.todo <= 0:
- task = getattr(self, 'task_' + self.task.name)
- task(*self.task.args, **self.task.kwargs)
- self.task = None
- if is_AI and self.task is None:
- self.decide_task()
-
-
-class World:
-
- def __init__(self):
- self.turn = 0
- self.map_size = (5, 5)
- self.map_ = 'xxxxx\n' +\
- 'x...x\n' +\
- 'x.X.x\n' +\
- 'x...x\n' +\
- 'xxxxx'
- self.things = [Thing('human', [3, 3]), Thing('monster', [1, 1])]
- self.player_i = 0
- self.player = self.things[self.player_i]
-
-
def fib(n):
"""Calculate n-th Fibonacci number. Very inefficiently."""
if n in (1, 2):
self.pool = Pool()
self.pool_result = None
+ def handle_input(self, input_, connection_id):
+ """Process input_ to command grammar, call command handler if found."""
+ try:
+ command = self.parser.parse(input_)
+ if command is None:
+ self.send_to(connection_id, 'UNHANDLED INPUT')
+ else:
+ command(connection_id=connection_id)
+ except ArgError as e:
+ self.send_to(connection_id, 'ARGUMENT ERROR: ' + str(e))
+ except GameError as e:
+ self.send_to(connection_id, 'GAME ERROR: ' + str(e))
+
def send_to(self, connection_id, msg):
"""Send msg to client of connection_id."""
self.queues_out[connection_id].put(msg)
quoted += ['"']
return ''.join(quoted)
+ def quoted_map(self, map_string, map_width):
+ """Put \n into map_string at map_width intervals, return quoted whole."""
+ map_lines = []
+ map_size = len(map_string)
+ start_cut = 0
+ while start_cut < map_size:
+ limit = start_cut + map_width
+ map_lines += [map_string[start_cut:limit]]
+ start_cut = limit
+ return self.quoted("\n".join(map_lines))
+
def send_all_gamestate(self):
"""Send out game state data relevant to clients."""
self.send_all('NEW_TURN ' + str(self.world.turn))
self.send_all('MAP_SIZE ' + self.stringify_yx(self.world.map_size))
- self.send_all('TERRAIN\n' + self.quoted(self.world.map_))
+ self.send_all('TERRAIN\n' + self.quoted_map(self.world.map_,
+ self.world.map_size[1]))
for thing in self.world.things:
- self.send_all('THING TYPE:' + thing.type + ' '
+ self.send_all('THING TYPE:' + thing.type_ + ' '
+ self.stringify_yx(thing.position))
def proceed_to_next_player_turn(self, connection_id):
break
self.send_all_gamestate()
+ def cmd_MOVE(self, direction, connection_id):
+ """Set player task to 'move' with direction arg, finish player turn."""
+ if direction not in {'UP', 'DOWN', 'RIGHT', 'LEFT'}:
+ raise ArgError('Move argument must be one of: '
+ 'UP, DOWN, RIGHT, LEFT')
+ self.world.player.set_task('move', direction=direction)
+ self.proceed_to_next_player_turn(connection_id)
+ cmd_MOVE.argtypes = 'string'
+
+ def cmd_WAIT(self, connection_id):
+ """Set player task to 'wait', finish player turn."""
+ self.world.player.set_task('wait')
+ self.proceed_to_next_player_turn(connection_id)
+
+ def cmd_GET_TURN(self, connection_id):
+ """Send world.turn to caller."""
+ self.send_to(connection_id, str(self.world.turn))
+
+ def cmd_ECHO(self, msg, connection_id):
+ """Send msg to caller."""
+ self.send_to(connection_id, msg)
+ cmd_ECHO.argtypes = 'string'
+
+ def cmd_ALL(self, msg, connection_id):
+ """Send msg to all clients."""
+ self.send_all(msg)
+ cmd_ALL.argtypes = 'string'
+
def cmd_FIB(self, numbers, connection_id):
"""Reply with n-th Fibonacci numbers, n taken from tokens[1:].
self.send_all_gamestate()
self.pool_result = self.pool.map_async(fib, (35, 35))
- def cmd_GET_TURN(self, connection_id):
- """Send world.turn to caller."""
- self.send_to(connection_id, str(self.world.turn))
-
- def cmd_MOVE(self, direction, connection_id):
- """Set player task to 'move' with direction arg, finish player turn."""
- if direction not in {'UP', 'DOWN', 'RIGHT', 'LEFT'}:
- raise ArgError('Move argument must be one of: '
- 'UP, DOWN, RIGHT, LEFT')
- self.world.player.set_task('move', direction=direction)
- self.proceed_to_next_player_turn(connection_id)
- cmd_MOVE.argtypes = 'string'
-
- def cmd_WAIT(self, connection_id):
- """Set player task to 'wait', finish player turn."""
- self.world.player.set_task('wait')
- self.proceed_to_next_player_turn(connection_id)
-
- def cmd_ECHO(self, msg, connection_id):
- """Send msg to caller."""
- self.send_to(connection_id, msg)
- cmd_ECHO.argtypes = 'string'
-
- def cmd_ALL(self, msg, connection_id):
- """Send msg to all clients."""
- self.send_all(msg)
- cmd_ALL.argtypes = 'string'
-
- def handle_input(self, input_, connection_id):
- """Process input_ to command grammar, call command handler if found."""
- try:
- command = self.parser.parse(input_)
- if command is None:
- self.send_to(connection_id, 'UNHANDLED INPUT')
- else:
- command(connection_id=connection_id)
- except ArgError as e:
- self.send_to(connection_id, 'ARGUMENT ERROR: ' + str(e))
-
def io_loop(q):
"""Handle commands coming through queue q, send results back.
projects / plomrogue2-experiments / blobdiff