MYSQL

// GM Sa-Mp BlackFlash

#include <a_samp> //Without this, we won't be able to use all samp functions/callbacks
#include <a_mysql> //Without this, we won't be able to use all mysql functions

#define host    "localhost" //This will be your mysql host. Default for xampp is localhost
#define user    "root" //This will be your mysql username. Default for xampp is root
#define db      "flash" //This is your database name. Remember we have created a database called server before.
#define pass    "" //This is your mysql password. In xampp, the password didn't set. So leave it empty.

//dialogs
#define dregister    6287 //dialog register id
#define dlogin        6288 // ^

static
    mysql, //This variable will be used to manage our database
    Name[MAX_PLAYERS][24], //We will use this variable to store player's name.
    IP[MAX_PLAYERS][16] //We will use this variable to store player's ip.
    ;

native WP_Hash(buffer[], len, const str[]); //whirlpool, for hashing our password

enum PDATA //We name our enumerator as PDATA (which stands for PlayerDATA). You can name it however you want.
{
    ID, //Will be used later to store player's ID from database so we can use it anywhere later
    Password[129], //We will load player's password into this varible from database
    Admin, //We will load player's admin level from database into this variable so we can use it anywhere later.
    VIP, //We will load player's VIP level from database into this variable so we can use it anywhere later.
    Money, //We will load player's money from database into this variable so we can use it anywhere later.
    Float:posX, //We will load player's X position from database into this variable so we can use it anywhere later.
    Float:posY, //We will load player's Y position from database into this variable so we can use it anywhere later.
    Float:posZ //We will load player's Z from database into this variable so we can use it anywhere later.

}
new pInfo[MAX_PLAYERS][PDATA]; //Variable that stores enumerator above

public OnGameModeInit()
{
    mysql_log(LOG_ERROR | LOG_WARNING | LOG_DEBUG); //Let's enable debugging so we can detect a problem(if there is)
    mysql = mysql_connect(host, user, db, pass); //This function will connect your server to database. Remember we have defined our host, username, database and password. It's time to use it here.
    if(mysql_errno(mysql) != 0) print("Could not connect to database!"); //This will tell if your connection to database is successful or not. If it's not, check your host, username, database and password. Make sure they all right.
    return 1;
}
main()
{
    print("\n----------------------------------");
    print(" Blank Gamemode by your name here");
    print("----------------------------------\n");
}

public OnGameModeExit()
{
	return 1;
}

public OnPlayerRequestClass(playerid, classid)
{
	SetPlayerPos(playerid, 1958.3783, 1343.1572, 15.3746);
	SetPlayerCameraPos(playerid, 1958.3783, 1343.1572, 15.3746);
	SetPlayerCameraLookAt(playerid, 1958.3783, 1343.1572, 15.3746);
	return 1;
}

public OnPlayerConnect(playerid)
{
    new query[128]; //We use this variable to format our query
    GetPlayerName(playerid, Name[playerid], 24); //Getting player's name
    GetPlayerIp(playerid, IP[playerid], 16); //Getting layer's IP
    mysql_format(mysql, query, sizeof(query),"SELECT `Password`, `ID` FROM `players` WHERE `Username` = '%e' LIMIT 1", Name[playerid]);
    // - We use mysql_format instead of format because we can use an %e specifier. %e specifier escapes a string so we can avoid sql injection which means we don't have to use mysql_real_escape_string
    // - Formatting our query; SELECT `Password`, `ID` FROM `players` WHERE `Username`='%e' means we are selecting a Password and ID's column in the table that has player's name in Username column.
    // - LIMIT 1; we only need 1 result to be shown
    mysql_tquery(mysql, query, "OnAccountCheck", "i", playerid);
    //lets execute the formatted query and when the execution is done, a callback OnAccountCheck will be called
    //You can name the callback however you like

    return 1;
}

forward OnAccountCheck(playerid);

//Now once the query has been processed;
public OnAccountCheck(playerid)
{
    new rows, fields; //a variable that will be used to retrieve rows and fields in the database.
    cache_get_data(rows, fields, mysql);//let's get the rows and fields from the database.
    if(rows) //if there is row
    {//then
        cache_get_field_content(0, "PASS", pInfo[playerid][Password], mysql, 129);
        //we will load player's password into pInfo[playerid][Password] to be used in logging in
        pInfo[playerid][ID] = cache_get_field_content_int(0, "ID"); //now let's load player's ID into pInfo[playerid][ID] so we can use it later
        printf("%s", pInfo[playerid][Password]); //OPTIONAL: Just for debugging. If it didn't show your password, then there must be something wrong while getting player's password
        ShowPlayerDialog(playerid, dlogin, DIALOG_STYLE_INPUT, "Login", "In order to play, you need to login", "Login", "Quit"); //And since we found a result from the database, which means, there is an account; we will show a login dialog
    }
    else //if we didn't find any rows from the database, that means, no accounts were found
    {
        ShowPlayerDialog(playerid, dregister, DIALOG_STYLE_INPUT, "Register", "In order to play, you need to register.", "Register", "Quit");
        //So we show them a dialog register
    }
    return 1;
}

public OnPlayerDisconnect(playerid, reason)
{
    new query[128], Float:pos[3]; //query[128] is for formatting our query and Float:pos[3] is for getting and saving player's position
    GetPlayerPos(playerid, pos[0], pos[1], pos[2]); //let's get player's position when they leave your server
    mysql_format(mysql, query, sizeof(query), "UPDATE `players` SET `Admin`=%d, `VIP`=%d, `Money`=%d, `posX`=%f, `posY`=%f, `posZ`=%f WHERE `ID`=%d",\
    pInfo[playerid][Admin], pInfo[playerid][VIP], pInfo[playerid][Money], pos[0], pos[1], pos[2], pInfo[playerid][ID]);
    //We update the table(`players`) by getting player's admin level, vip level, money, and positions and save them in the database
    mysql_tquery(mysql, query, "", "");
    //let's execute the query.
    return 1;
}

public OnPlayerSpawn(playerid)
{
    SetPlayerPos(playerid, pInfo[playerid][posX], pInfo[playerid][posZ], pInfo[playerid][posZ]);
    //Set player's position to the last saved position.
    return 1;
}

public OnPlayerDeath(playerid, killerid, reason)
{
	return 1;
}

public OnVehicleSpawn(vehicleid)
{
	return 1;
}

public OnVehicleDeath(vehicleid, killerid)
{
	return 1;
}

public OnPlayerText(playerid, text[])
{
	return 1;
}

public OnPlayerCommandText(playerid, cmdtext[])
{
	if (strcmp("/mycommand", cmdtext, true, 10) == 0)
	{
		// Do something here
		return 1;
	}
	return 0;
}

public OnPlayerEnterVehicle(playerid, vehicleid, ispassenger)
{
	return 1;
}

public OnPlayerExitVehicle(playerid, vehicleid)
{
	return 1;
}

public OnPlayerStateChange(playerid, newstate, oldstate)
{
	return 1;
}

public OnPlayerEnterCheckpoint(playerid)
{
	return 1;
}

public OnPlayerLeaveCheckpoint(playerid)
{
	return 1;
}

public OnPlayerEnterRaceCheckpoint(playerid)
{
	return 1;
}

public OnPlayerLeaveRaceCheckpoint(playerid)
{
	return 1;
}

public OnRconCommand(cmd[])
{
	return 1;
}

public OnPlayerRequestSpawn(playerid)
{
	return 1;
}

public OnObjectMoved(objectid)
{
	return 1;
}

public OnPlayerObjectMoved(playerid, objectid)
{
	return 1;
}

public OnPlayerPickUpPickup(playerid, pickupid)
{
	return 1;
}

public OnVehicleMod(playerid, vehicleid, componentid)
{
	return 1;
}

public OnVehiclePaintjob(playerid, vehicleid, paintjobid)
{
	return 1;
}

public OnVehicleRespray(playerid, vehicleid, color1, color2)
{
	return 1;
}

public OnPlayerSelectedMenuRow(playerid, row)
{
	return 1;
}

public OnPlayerExitedMenu(playerid)
{
	return 1;
}

public OnPlayerInteriorChange(playerid, newinteriorid, oldinteriorid)
{
	return 1;
}

public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
	return 1;
}

public OnRconLoginAttempt(ip[], password[], success)
{
	return 1;
}

public OnPlayerUpdate(playerid)
{
	return 1;
}

public OnPlayerStreamIn(playerid, forplayerid)
{
	return 1;
}

public OnPlayerStreamOut(playerid, forplayerid)
{
	return 1;
}

public OnVehicleStreamIn(vehicleid, forplayerid)
{
	return 1;
}

public OnVehicleStreamOut(vehicleid, forplayerid)
{
	return 1;
}

public OnDialogResponse(playerid, dialogid, response, listitem, inputtext[])
{
    switch(dialogid)
    {
        case dlogin: //login dialog
        {
            if(!response) Kick(playerid); //if they clicked Quit, we will kick them
            new hpass[129]; //for password hashing
        	new query[100]; // for formatting our query.
            WP_Hash(hpass, 129, inputtext); //hashing inputtext
            if(!strcmp(hpass, pInfo[playerid][Password])) //remember we have loaded player's password into this variable, pInfo[playerid][Password] earlier. Now let's use it to compare the hashed password with password that we load
            { //if the hashed password matches with the loaded password from database
                mysql_format(mysql, query, sizeof(query), "SELECT * FROM `players` WHERE `Username` = '%e' LIMIT 1", Name[playerid]);
                //let's format our query
                //We select all rows in the table that has your name and limit the result to 1
                mysql_tquery(mysql, query, "OnAccountLoad", "i", playerid);
                //lets execute the formatted query and when the execution is done, a callback OnAccountLoad will be called
                //You can name the callback however you like
            }
            else //if the hashed password didn't match with the loaded password(pInfo[playerid][Password])
            {
                //we tell them that they have inserted a wrong password
                ShowPlayerDialog(playerid, dlogin, DIALOG_STYLE_INPUT, "Login", "In order to play, you need to login\nWrong password!", "Login", "Quit");
            }
        }
        case dregister: //register dialog
        {
            if(!response) return Kick(playerid); //if they clicked Quit, we will kick them
            if(strlen(inputtext) < 6) return ShowPlayerDialog(playerid, dregister, DIALOG_STYLE_INPUT, "Register", "In order to play, you need to register.\nYour password must be at least 6 characters long!", "Register", "Quit");
            //strlen checks a lenght of a string. so if player types their password that is lower than 6, we tell them; Your password must be at least 6 characters long!
            new query[300];
            WP_Hash(pInfo[playerid][Password], 129, inputtext); //hashing inputtext
            mysql_format(mysql, query, sizeof(query), "INSERT INTO `players` (`Username`, `Password`, `IP`, `Admin`, `VIP`, `Money`, `PosX` ,`PosY`, `PosZ`) VALUES ('%e', '%s', '%s', 0, 0, 0, 0.0, 0.0, 0.0)", Name[playerid], pInfo[playerid][Password], IP[playerid]);
            //Now let's create a new row and insert player's information in it
            mysql_tquery(mysql, query, "OnAccountRegister", "i", playerid);
            //let's execute the query
        }
    }
    return 1;
}

forward OnAccountLoad(playerid);
forward OnAccountRegister(playerid);
//let's load player's information
public OnAccountLoad(playerid)
{
    pInfo[playerid][Admin] = cache_get_field_content_int(0, "Admin"); //we're getting a field 4 from row 0. And since it's an integer, we use cache_get_row_int
    pInfo[playerid][VIP] = cache_get_field_content_int(0, "VIP"); //Above
    pInfo[playerid][Money] = cache_get_field_content_int(0, "Money");//Above
    pInfo[playerid][posX] = cache_get_field_content_float(0, "PosX");//Above. Since player's position is a float, we use cache_get_field_content_float
    pInfo[playerid][posY] = cache_get_field_content_float(0, "PosY");//Above
    pInfo[playerid][posZ] = cache_get_field_content_float(0, "PosZ");//Above

    GivePlayerMoney(playerid, pInfo[playerid][Money]);//Let's set their money
    //For player's position, set it once they spawn(OnPlayerSpawn)
    SendClientMessage(playerid, -1, "Successfully logged in"); //tell them that they have successfully logged in
    return 1;
}

public OnAccountRegister(playerid)
{
    pInfo[playerid][ID] = cache_insert_id(); //loads the ID of the player in the variable once they registered.
    printf("New account registered. ID: %d", pInfo[playerid][ID]); //just for debugging.
    return 1;
}

public OnPlayerClickPlayer(playerid, clickedplayerid, source)
{
	return 1;
}