// GameType.h
class GameType
{
...
   TNL_DECLARE_RPC(s2cSetPlayerScore, (U16 index, S32 score));
...
}


// GameType.cpp

GAMETYPE_RPC_S2C(GameType, s2cSetPlayerScore, (U16 index, S32 score), (index, score))
{
   TNLAssert(index < U32(mGame->getClientCount()), "teamIndex out of range");

   if(index < U32(mGame->getClientCount()))
      mGame->getClientInfo(index)->setScore(score);

   updateLeadingTeamAndScore();    
}