[marrcko]

Well.. use timer for 1sec. which get actived then player enter to checkpoint...After that check if player is in right place with PlayerToPoint (if u have this stock) and count seconds like:

pawn Код:

public StandInPlace(playerid)
  {
  if(TimeInPlace[playerid] < 20) // 20 - 20sec
     {
     if(PlayerToPoint(3,playerid,X,Y,Z)
       {
       TimeInPlace[playerid]++
       }
     else KillTimer(timerid);
     }
  else 
     {
     TimeInPlace[playerid]=0;
     //do smth after player stand in place 20sec...
     }
  return 1;
  }

ofcourse dont foget as global

pawn Код:

TimeInPlace[MAX_PLAYERS]=0