#define SNIPER_DAMAGE 100.0

public OnPlayerTakeDamage(playerid, issuerid, Float:amout, weaponid)
{
    if(weaponid == 34)
    {
        new Float:health[2];
        GetPlayerHealth(playerid, health[0]);
        GetPlayerArmor(playerid, health[1]);

        if(health[1]) 
        {
            SetPlayerArmor(playerid, health[1] + amout - SNIPER_DAMAGE);
        }
        else 
        {
            SetPlayerHealth(playerid, health[0] + amout - SNIPER_DAMAGE);
        }
    }
    return 1;
}