27.10.2009, 22:50
Disable people from entering interiors,
Under "OnGameModeInit"
Then make your own way of buying weapons!
Then to ban people from using Sawn-offs use the following code:
Hope that helps. 
Although, you could stop people from having duel sawn-offs.
Put the following code under OnPlayerSpawn:
Either way SHOULD stop your problem.
Under "OnGameModeInit"
Код:
DisableInteriorEnterExits //I THINK
Then to ban people from using Sawn-offs use the following code:
pawn Код:
public OnPlayerUpdate(playerid)
{
if(GetPlayerWeapon(playerid) == WEAPON_SAWEDOFF)
{
SendClientMessage(playerid, COLOR_HERE, "Don't hack Sawn-Offs here! ");
Ban(playerid);
return 0;
}
return 1;
}

Although, you could stop people from having duel sawn-offs.
Put the following code under OnPlayerSpawn:
pawn Код:
SetPlayerSkillLevel(playerid,WEAPONSKILL_SAWNOFF_SHOTGUN,200);