public OnPlayerCommandText(playerid, cmdtext[])
{
    dcmd(register, 8, cmdtext);
    dcmd(login, 5, cmdtext);
    dcmd(logout, 6, cmdtext);
    dcmd(password, 8, cmdtext);
    return 0;
}


dcmd_register(playerid, params[])
{
    if(gPlayerInfo[playerid][PLAYER_REGGED] == 1)
    return SendClientMessage(playerid, COLOUR_ORANGE, "ERROR: You have already registered!");
    else if(!params[0])
    return SendClientMessage(playerid, COLOUR_ORANGE, "USAGE: /register [password]");
    else if(strlen(params) < gSettings[PASS_MIN] || strlen(params) > gSettings[PASS_MAX])
    {
    new string[128];
        format(string, sizeof(string), "ERROR: Password must be between %d and $d characters long!", gSettings[PASS_MIN], gSettings[PASS_MAX]);
    return SendClientMessage(playerid, COLOUR_ORANGE, string);
    }
    else
    {
    new password = num_hash(params);
    gPlayerInfo[playerid][PLAYER_PASS] = password;
    gPlayerInfo[playerid][PLAYER_REGGED] = 1;
        gPlayerInfo[playerid][PLAYER_LOGGED] = 1;
    GetPlayerIp(playerid, gPlayerInfo[playerid][PLAYER_IP], 16);
    new string[128]; format(string, sizeof(string), "You have successfully registered your account with the password \'%s\'. You have been automatically logged in.", params);
    return SendClientMessage(playerid, COLOUR_LIGHTBLUE, string);
    }
}
dcmd_login(playerid, params[])
{
    if(gPlayerInfo[playerid][PLAYER_REGGED] != 1)
    return SendClientMessage(playerid, COLOUR_ORANGE, "ERROR: You must register first to do that! Use /register [password] to register and login.");
    else if(gPlayerInfo[playerid][PLAYER_LOGGED] == 1)
    return SendClientMessage(playerid, COLOUR_ORANGE, "ERROR: You are already logged-in.");
    else if(!params[0])
    return SendClientMessage(playerid, COLOUR_ORANGE, "USAGE: /login [password]");
    else
    {
    new password = num_hash(params);
    if(gPlayerInfo[playerid][PLAYER_PASS] == password)
    {
        gPlayerInfo[playerid][PLAYER_LOGGED] = 1;
        GetPlayerIp(playerid, gPlayerInfo[playerid][PLAYER_IP], 16);
        return SendClientMessage(playerid, COLOUR_LIGHTBLUE, "You have successfully logged in to your account.");
    }
    else
        return SendClientMessage(playerid, COLOUR_ORANGE, "ERROR: Incorrect password.");
    }
}
dcmd_logout(playerid, params[])
{
#pragma unused params
    if(gPlayerInfo[playerid][PLAYER_REGGED] != 1)
    return SendClientMessage(playerid, COLOUR_ORANGE, "ERROR: You must register first to do that! Use /register [password] to register.");
    else if(gPlayerInfo[playerid][PLAYER_LOGGED] == 0)
    return SendClientMessage(playerid, COLOUR_ORANGE, "ERROR: You are already logged-out.");
    else
    {
    gPlayerInfo[playerid][PLAYER_LOGGED] = 0;
    return SendClientMessage(playerid, COLOUR_LIGHTBLUE, "You have successfully logged out of your account.");
    }
}
dcmd_password(playerid, params[])
{
    if(gPlayerInfo[playerid][PLAYER_REGGED] != 1)
        return SendClientMessage(playerid, COLOUR_ORANGE, "ERROR: You must register first to do that! Use /register [password] to register and login.");
    else if(gPlayerInfo[playerid][PLAYER_LOGGED] == 0)
    return SendClientMessage(playerid, COLOUR_ORANGE, "ERROR: You must be logged-in to do that! Use /login [password] to login.");
    else
    {
    new tmp[256],
        tmp2[256],
        index;
    tmp = strtok(params, index);
    if(!strlen(tmp))
            return SendClientMessage(playerid, COLOUR_ORANGE, "USAGE: /password [password] [new password]");
    tmp2 = strtok(params, index);
    if(!strlen(tmp2))
        return SendClientMessage(playerid, COLOUR_ORANGE, "USAGE: /password [password] [new password]");
        new oldpassword = num_hash(tmp), newpassword = num_hash(tmp2);
    if(gPlayerInfo[playerid][PLAYER_PASS] == oldpassword)
    {
        if(oldpassword == newpassword)
            return SendClientMessage(playerid, COLOUR_ORANGE, "ERROR: Your old password can not be the same as your new password.");
            else if(strlen(tmp2) < gSettings[PASS_MIN] || strlen(tmp2) > gSettings[PASS_MAX])
            {
                new string[100]; format(string, sizeof(string), "ERROR: Your new password must be between %d and %d characters long!", gSettings[PASS_MIN], gSettings[PASS_MAX]);
                return SendClientMessage(playerid, COLOUR_ORANGE, string);
            }
        gPlayerInfo[playerid][PLAYER_PASS] = newpassword;
        new string[128]; format(string, sizeof(string), "You have successfully changed your password from \'%s\' to \'%s\'.", tmp, tmp2);
        return SendClientMessage(playerid, COLOUR_LIGHTBLUE, string);
    }
    else
        return SendClientMessage(playerid, COLOUR_ORANGE, "ERROR: Incorrect password.");
    }
}

public OnPlayerCommandText(playerid, cmdtext[])
{
    dcmd(register, 8, cmdtext);
    dcmd(login, 5, cmdtext);
    dcmd(logout, 6, cmdtext);
    dcmd(password, 8, cmdtext);
    return 1;
}