[Riddick94]

pawn Код:

#include <a_samp>

new PlayerInRocketDM[MAX_PLAYERS];

public OnPlayerUpdate(playerid)
{
    if(PlayerInRocketDM[playerid])
    {
        if(GetPlayerWeapon(playerid) != WEAPON_ROCKETLAUNCHER)
        {
            ResetPlayerWeapons(playerid);
            GivePlayerWeapon(playerid, WEAPON_ROCKETLAUNCHER, 200);
        }
    }
    return 1;
}

public OnPlayerConnect(playerid)
{
    PlayerInRocketDM[playerid] = 0;
    return 1;
}

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

public OnPlayerSpawn(playerid)
{
    PlayerInRocketDM[playerid] = 0;
    return 1;
}

public OnPlayerDeath(playerid, killerid, reason)
{
    PlayerInRocketDM[playerid] = 0;
    return 1;
}

Better change OnPlayerUpdate to SetTimer/Ex.