[Free] Global Bank [By CheezPuff) not tested

/* Gonna test it? leave message and error > Discord: CheezPuff#7720 */
#include <amxmodx>
#include <fakemeta>
#include <fvault>
#include <engine>

#define PLUGIN "Server Bank System"
#define VERSION "1.3"
#define AUTHOR "Ariel"

#define MAX_PLAYERS 32
#define VAULT_NAME "serv_bank"
#define NPC_VAULT "serv_bank_npc"
#define NPC_MODEL "models/bank_npc.mdl"

new g_playerBalance[MAX_PLAYERS + 1];
new g_playerCash[MAX_PLAYERS + 1];
new g_npcEnt;

public plugin_init() {
    register_plugin(PLUGIN, VERSION, AUTHOR);

    register_clcmd("say /bank", "cmd_OpenBankMenu");
    register_clcmd("say /setnpc", "cmd_SetNPC");

    register_touch("bank_npc", "player", "TouchBankNPC");

    // Load NPC position
    set_task(1.0, "load_npc");
}

public plugin_precache() {
    precache_model(NPC_MODEL);
}

public load_npc() {
    new map_name[32];
    get_mapname(map_name, charsmax(map_name));

    new data[64];
    if (fvault_get_data(NPC_VAULT, map_name, data, charsmax(data))) {
        new Float:origin[3];
        new x[16], y[16], z[16];
        new parsed = parse(data, x, charsmax(x), y, charsmax(y), z, charsmax(z));
        if (parsed == 3) {
            origin[0] = str_to_float(x);
            origin[1] = str_to_float(y);
            origin[2] = str_to_float(z);
            create_npc(origin);
        }
    }
}

public create_npc(Float:origin[3]) {
    if (g_npcEnt && pev_valid(g_npcEnt)) {
        engfunc(EngFunc_RemoveEntity, g_npcEnt);
    }

    g_npcEnt = engfunc(EngFunc_CreateNamedEntity, engfunc(EngFunc_AllocString, "info_target"));
    if (g_npcEnt) {
        engfunc(EngFunc_SetModel, g_npcEnt, NPC_MODEL);
        engfunc(EngFunc_SetOrigin, g_npcEnt, origin);
        set_pev(g_npcEnt, pev_classname, "bank_npc");
        set_pev(g_npcEnt, pev_solid, SOLID_BBOX);
        set_pev(g_npcEnt, pev_movetype, MOVETYPE_NONE);
        engfunc(EngFunc_SetSize, g_npcEnt, Float:{-16.0, -16.0, 0.0}, Float:{16.0, 16.0, 72.0});
    }
}

public cmd_SetNPC(id) {
    if (!(get_user_flags(id) & ADMIN_RCON)) {
        client_print(id, print_chat, "[Bank] You don't have access to this command.");
        return PLUGIN_HANDLED;
    }

    new Float:origin[3];
    pev(id, pev_origin, origin);

    create_npc(origin);

    // Save NPC position
    new map_name[32];
    get_mapname(map_name, charsmax(map_name));

    new data[64];
    formatex(data, charsmax(data), "%.1f %.1f %.1f", origin[0], origin[1], origin[2]);
    fvault_set_data(NPC_VAULT, map_name, data);

    client_print(id, print_chat, "[Bank] NPC has been placed at your location.");
    return PLUGIN_HANDLED;
}

public TouchBankNPC(ent, id) {
    if (is_user_alive(id)) {
        cmd_OpenBankMenu(id);
    }
}

public cmd_OpenBankMenu(id) {
    new menu = menu_create("\yBank Menu", "HandleBankMenu");

    new balanceText[64];
    formatex(balanceText, charsmax(balanceText), "\wYour Balance: \y$%d", g_playerBalance[id]);
    menu_addtext(menu, balanceText, 0);

    menu_additem(menu, "\wDeposit", "1");
    menu_additem(menu, "\wWithdraw", "2");

    menu_display(id, menu, 0);
    return PLUGIN_HANDLED;
}

public HandleBankMenu(id, menu, item) {
    if (item == MENU_EXIT) {
        menu_destroy(menu);
        return PLUGIN_HANDLED;
    }

    switch (item) {
        case 0: {
            client_cmd(id, "messagemode Deposit_Amount");
        }
        case 1: {
            client_cmd(id, "messagemode Withdraw_Amount");
        }
    }

    menu_destroy(menu);
    return PLUGIN_HANDLED;
}

public client_command(id) {
    new cmd[32], amount[32];
    read_argv(0, cmd, charsmax(cmd));
    read_argv(1, amount, charsmax(amount));

    if (equal(cmd, "Deposit_Amount")) {
        handle_deposit(id, str_to_num(amount));
    } else if (equal(cmd, "Withdraw_Amount")) {
        handle_withdraw(id, str_to_num(amount));
    }

    return PLUGIN_CONTINUE;
}

public handle_deposit(id, amount) {
    if (amount <= 0) {
        client_print(id, print_chat, "[Bank] Invalid amount.");
        return;
    }

    if (g_playerCash[id] < amount) {
        client_print(id, print_chat, "[Bank] You don't have enough cash.");
        return;
    }

    g_playerCash[id] -= amount;
    g_playerBalance[id] += amount;

    client_print(id, print_chat, "[Bank] You've deposited $%d. New balance: $%d", amount, g_playerBalance[id]);
    save_player_balance(id);
}

public handle_withdraw(id, amount) {
    if (amount <= 0) {
        client_print(id, print_chat, "[Bank] Invalid amount.");
        return;
    }

    if (g_playerBalance[id] < amount) {
        client_print(id, print_chat, "[Bank] Insufficient balance.");
        return;
    }

    g_playerBalance[id] -= amount;
    g_playerCash[id] += amount;

    client_print(id, print_chat, "[Bank] You've withdrawn $%d. New balance: $%d", amount, g_playerBalance[id]);
    save_player_balance(id);
}

public client_putinserver(id) {
    // Load player's balance
    new authid[32], data[16];
    get_user_authid(id, authid, charsmax(authid));
    fvault_get_data(VAULT_NAME, authid, data, charsmax(data));
    g_playerBalance[id] = str_to_num(data);
}

public client_disconnected(id) {
    save_player_balance(id);
}

public save_player_balance(id) {
    new authid[32], balanceStr[16];
    get_user_authid(id, authid, charsmax(authid));
    num_to_str(g_playerBalance[id], balanceStr, charsmax(balanceStr));
    fvault_set_data(VAULT_NAME, authid, balanceStr);
}