Added support for random offense player on ball

bin/HFO

@@ -34,10 +34,12 @@ def main(args, team1='left', team2='right'):
   if not os.path.exists(args.logDir):
     os.makedirs(args.logDir)
   num_agents   = args.offenseAgents + args.defenseAgents
+  num_offense  = args.offenseAgents + args.offenseNPCs
   binary_dir   = os.path.dirname(os.path.realpath(__file__))
   server_port  = args.port + num_agents
   coach_port   = args.port + num_agents + 1
   olcoach_port = args.port + num_agents + 2
+  offense_on_ball = (num_offense + 1) if args.offenseOnBall else 0
   serverCommand = os.path.join(binary_dir, SERVER_BIN)
   serverOptions = ' server::port=%i server::coach_port=%i ' \
                   'server::olcoach_port=%i server::coach=1 ' \
@@ -55,7 +57,7 @@ def main(args, team1='left', team2='right'):
                     args.logDir, args.logDir, args.logDir,
                     args.sync, args.fullstate, args.fullstate,
                     args.maxFramesPerTrial, args.numTrials, args.numFrames,
-                    args.offenseOnBall, args.seed, args.maxUntouchedTime)
+                    offense_on_ball, args.seed, args.maxUntouchedTime)
                   # server::record_messages=on -- useful for debug
   try:
     # Launch the Server