sound SkelVoiceSND = <Voices.wav>; // The sound...
var SkelVoiceVol = 200; // The volume...

ACTION SkelVoice
{
    my.skill1 = 200; // Distance player has to be within to play the sound
    while(player == null) {wait(1);}
    while(my.skill1 > 0)
    {
        if (vec_dist(my.x, player.x) <= my.skill1)
        {
            ent_playsound(my, SkelVoiceSND, SkelVoiceVol);
            my.skill1 = 0;
        }
        wait(1);
    }
}