[[L3th4l]]

pawn Код:

public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
    if(gTeam[playerid] != TEAM_HUNTER)
    {
        if ( PRESSED ( KEY_JUMP ) )
        {
            new Float:X1 , Float:Y1 , Float:Z1 ;
            GetPlayerVelocity ( playerid, X1, Y1, Z1 );
            SetPlayerVelocity ( playerid, X1, Y1, Z1 + 0.5 );
        }
    }
    return 1;
}

Try that.