Added parameters for controlling ball initialization.

bin/HFO

@@ -50,6 +50,8 @@ def main(args):
                   'server::hfo_max_trials=%i server::hfo_max_frames=%i ' \
                   'server::hfo_offense_on_ball=%i server::random_seed=%i ' \
                   'server::hfo_max_untouched_time=%i ' \
+                  'server::hfo_min_ball_pos_x=%f ' \
+                  'server::hfo_max_ball_pos_x=%f ' \
                   'server::say_msg_size=%i' \
                   %(server_port, coach_port, olcoach_port,
                     args.logging, args.logging, args.logging,
@@ -57,7 +59,7 @@ def main(args):
                     args.sync, args.fullstate, args.fullstate,
                     args.maxFramesPerTrial, args.numTrials, args.numFrames,
                     args.offenseOnBall, args.seed, args.maxUntouchedTime,
-                    args.messageSize)
+                    args.min_ball_x, args.max_ball_x, args.messageSize)
                   # server::record_messages=on -- useful for debug
   try:
     # Launch the Server
@@ -146,6 +148,10 @@ def parseArgs():
                  help='Seed the server\'s RNG. Default: time.')
   p.add_argument('--message-size', dest='messageSize', type=int, default=1000,
                  help='Message size limit for communication')
+  p.add_argument('--ball-x-min', dest='min_ball_x', type=float, default=0.0,
+                 help='Ball initialization min x position: [0,1]. Default: 0')
+  p.add_argument('--ball-x-max', dest='max_ball_x', type=float, default=0.2,
+                 help='Ball initialization max x position: [0,1]. Default: .2')
   args = p.parse_args()
   if args.offenseAgents not in xrange(0, 11):
     p.error('argument --offense-agents: invalid choice: '\