public OnPlayerGiveDamage(playerid, damagedid, Float: amount, weaponid)
{ 
    if(damagedid != INVALID_PLAYER_ID) 
    { 
        new string[25]; 
        format(string, sizeof(string), "~g~-~r~%.0f", amount), GameTextForPlayer(playerid, string, 3000, 3), GameTextForPlayer(damagedid, string, 3000, 3);
        PlayerPlaySound(playerid,17802,0.0,0.0,0.0); 
    } 
    return 1;
}