+ class MapWidget(urwid.Text):
+ """Stores/updates/draws game map."""
+ terrain_map = ' ' * 25
+ position = (0, 0)
+
+ def draw_map(self):
+ """Draw map view from .terrain_map, .position."""
+ whole_map = []
+ for c in self.terrain_map:
+ whole_map += [c]
+ pos_i = self.position[0] * (5 + 1) + self.position[1]
+ whole_map[pos_i] = '@'
+ self.set_text(''.join(whole_map))
+
+ def update_terrain(self, terrain_map):
+ """Update self.terrain_map."""
+ self.terrain_map = terrain_map
+ self.draw_map()
+
+ def update_position(self, position_string):
+ """Update self.position."""
+
+ def get_axis_position_from_argument(axis, token):
+ if len(token) < 3 or token[:2] != axis + ':' or \
+ not token[2:].isdigit():
+ raise ArgumentError('Bad arg for ' + axis + ' position.')
+ return int(token[2:])
+
+ tokens = position_string.split(',')
+ if len(tokens) != 2:
+ raise ArgumentError('wrong number of ","-separated arguments')
+ y = get_axis_position_from_argument('y', tokens[0])
+ x = get_axis_position_from_argument('x', tokens[1])
+ self.position = (y, x)
+ self.draw_map()
+