[Jonny5]

pawn Код:

new Float:aPlayerPunchHealth[MAX_PLAYERS];

public OnPlayerSpawn(playerid)
{
    GetPlayerHealth(playerid,aPlayerPunchHealth[playerid]);
    return 1;
}

public OnPlayerTakeDamage(playerid, issuerid, Float: amount, weaponid, bodypart)
{
    if(issuerid != INVALID_PLAYER_ID) // If not self-inflicted
    {
        if ( weaponid == 0 || weaponid == 1 ){
            return SetPlayerHealth(playerid,aPlayerPunchHealth[playerid]);
        }
        GetPlayerHealth(playerid,aPlayerPunchHealth[playerid]);
    }
    return 1;
}

something like this.
you may want to handle the armor like the health also