[CaveDweller]

pawn Код:

stock GetRandomPlayerInRange(Float:x, Float:y, Float:z, Float:range)
{
    // Define a new iterator with a size of MAX_PLAYERS (all players in the server could potentially be in range of the point)
    new Iterator:PlayersNearPoint<MAX_PLAYERS>;

    // Loop through all players in the server
    foreach(new p : Player)
    {
        // If the current player is in range of the point
        if(IsPlayerInRangeOfPoint(p, range, x, y, z)
        {
            // Then add their id (p) to the iterator (PlayersNearPoint)
            Iter_Add(PlayersNearPoint, p);
        }
    }

    // If Iter_Count(PlayersNearPoint) is 0, then return INVALID_PLAYER_ID. If it isn't 0, then return a random value from the iterator
    return (Iter_Count(PlayersNearPoint) == 0) ? INVALID_PLAYER_ID : Iter_Random(PlayersNearPoint);
}

You'll need to download YSI for it to work. I've documented the code so you can understand it easier.