[xTURBOx]

untested but complies fine

PHP код:

#define FILTERSCRIPT

#include <a_samp>
#include <zcmd>

new allowheadshot[MAX_PLAYERS];

#if defined FILTERSCRIPT

public OnFilterScriptInit()
{
    print("\n--------------------------------------");
    print(" Blank Filterscript by your name here");
    print("--------------------------------------\n");
    return 1;
}

public OnFilterScriptExit()
{
    return 1;
}

#else

main()
{
    print("\n----------------------------------");
    print(" Blank Gamemode by your name here");
    print("----------------------------------\n");
}

#endif
public OnPlayerConnect(playerid)
{
    allowheadshot[playerid] = 0;
    return 1;
}

public OnPlayerDisconnect(playerid, reason)
{
    allowheadshot[playerid] = 0;
    return 1;
}

public OnPlayerTakeDamage(playerid,issuerid, Float:amount, weaponid, bodypart)
{
    if(issuerid != INVALID_PLAYER_ID /*&& weaponid == 34*/ && bodypart == 9 && allowheadshot[issuerid] == 1)//uncomment weaponid == 34 if you want the player to make headshots with ONLY SNIPER
    {
        SetPlayerHealth(playerid, 0.0);
    }
    return 1;
}
public OnPlayerWeaponShot(playerid, weaponid, hittype, hitid, Float:fX, Float:fY, Float:fZ)
{
    if(allowheadshot[playerid] == 1)
    {
        allowheadshot[playerid] = 0; //so when missed he can't headshot in the second try
        SendClientMessage(playerid,-1,"You have lost your headshot ability");
    }
    return 1;
}
CMD:headshot(playerid,params[])
{
    allowheadshot[playerid] = 1;
    GameTextForPlayer(playerid,"Head shot enabled",1000,3);
    SendClientMessage(playerid,-1,"You have gained ability to headshot");
    return 1;
}