[Garavel]

put the following code under "OnPlayerStateChange"

Код:

if(newstate == PLAYER_STATE_PASSENGER)
{
SetPlayerArmedWeapon(playerid,0);
}

or if you want to disable driver drive-by too

Код:

if(newstate == PLAYER_STATE_PASSENGER || newstate == PLAYER_STATE_DRIVER)
{
SetPlayerArmedWeapon(playerid,0);
}