tak tak

src/main/java/xyz/mineconomia/mineconomiacore/MineconomiaCore.java

@@ -1,14 +1,14 @@
 package xyz.mineconomia.mineconomiacore;
 
+import net.milkbowl.vault.economy.Economy;
 import org.bukkit.Bukkit;
 import org.bukkit.plugin.PluginManager;
+import org.bukkit.plugin.RegisteredServiceProvider;
 import org.bukkit.plugin.java.JavaPlugin;
 import xyz.mineconomia.mineconomiacore.CustomItems.ItemManager;
-import xyz.mineconomia.mineconomiacore.commands.BookCommand;
+import xyz.mineconomia.mineconomiacore.commands.*;
-import xyz.mineconomia.mineconomiacore.commands.funHarvestBall;
-import xyz.mineconomia.mineconomiacore.commands.mcore;
-import xyz.mineconomia.mineconomiacore.commands.tpw;
 import xyz.mineconomia.mineconomiacore.events.playerAccount;
+import xyz.mineconomia.mineconomiacore.events.shopInteract;
 import xyz.mineconomia.mineconomiacore.events.specialEvents;
 import xyz.mineconomia.mineconomiacore.handlers.FHBHandler;
 
@@ -17,13 +17,19 @@ import java.util.logging.Logger;
 
 public final class MineconomiaCore extends JavaPlugin {
     public static Logger logger = Bukkit.getLogger();
-
+    private static Economy econ = null;
 
     @Override
     public void onEnable() {
+
         // Plugin startup logic
         saveDefaultConfig();
         MineconomiaCore plugin= getPlugin(MineconomiaCore.class);
+        if (!setupEconomy()) {
+            logger.info("No Vault economy! Stopping");
+            getServer().getPluginManager().disablePlugin(this);
+            return;
+        }
 
         //Tohle třeba změnit později - jakub
         Logger logger= plugin.getLogger();
@@ -43,12 +49,14 @@ public final class MineconomiaCore extends JavaPlugin {
         pm.registerEvents(new FHBHandler(), this);
         pm.registerEvents(new playerAccount(), this);
         pm.registerEvents(new specialEvents(), this);
+        pm.registerEvents(new shopInteract(), this);
 
         //BookCommand
         Objects.requireNonNull(getCommand("pomoc")).setExecutor(new BookCommand());
         Objects.requireNonNull(getCommand("tpw")).setExecutor(new tpw());
         Objects.requireNonNull(getCommand("fhb")).setExecutor(new funHarvestBall());
-
+        Objects.requireNonNull(getCommand("shop")).setExecutor(new shop());
+        Objects.requireNonNull(getCommand("sample")).setExecutor(new sample());
         //CustomItems
         ItemManager.init();
     }
@@ -59,4 +67,19 @@ public final class MineconomiaCore extends JavaPlugin {
         saveConfig();
 
     }
+    private boolean setupEconomy() {
+        if (getServer().getPluginManager().getPlugin("Vault") == null) {
+            return false;
+        }
+        RegisteredServiceProvider<Economy> rsp = getServer().getServicesManager().getRegistration(Economy.class);
+        if (rsp == null) {
+            return false;
+        }
+        econ = rsp.getProvider();
+        return true;
+    }
+
+    public static Economy getEconomy() {
+        return econ;
+    }
 }

src/main/java/xyz/mineconomia/mineconomiacore/PDC.java

@@ -1,6 +1,7 @@
 package xyz.mineconomia.mineconomiacore;
 
 import org.bukkit.NamespacedKey;
+import org.bukkit.block.TileState;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.persistence.PersistentDataContainer;
@@ -30,11 +31,10 @@ public class PDC {
             pdc.remove(nKey);
 
         }
-        public static ItemMeta WriteItemMetaPDC(ItemMeta itemMeta, String key, PersistentDataType type, Object value){
+        public static void WriteItemMetaPDC(ItemMeta itemMeta, String key, PersistentDataType type, Object value){
             NamespacedKey nKey = new NamespacedKey(MineconomiaCore.getPlugin(MineconomiaCore.class), key);
             PersistentDataContainer pdc = itemMeta.getPersistentDataContainer();
             pdc.set(nKey, type, value);
-            return itemMeta;
 
         }
         public static Object GetItemMetaPDC(ItemMeta itemMeta, String key, PersistentDataType type){
@@ -42,6 +42,17 @@ public class PDC {
             PersistentDataContainer pdc = itemMeta.getPersistentDataContainer();
             return pdc.get(nKey, type);
         }
+        public static void WriteTileStatePDC(TileState tileState, String key, PersistentDataType type, Object value){
+            NamespacedKey nKey = new NamespacedKey(MineconomiaCore.getPlugin(MineconomiaCore.class), key);
+            PersistentDataContainer pdc = tileState.getPersistentDataContainer();
+            pdc.set(nKey, type, value);
+
+        }
+    public static Object GetTileStatePDC(TileState tileState, String key, PersistentDataType type){
+        NamespacedKey nKey = new NamespacedKey(MineconomiaCore.getPlugin(MineconomiaCore.class), key);
+        PersistentDataContainer pdc = tileState.getPersistentDataContainer();
+        return pdc.get(nKey, type);
+    }
 
 
 }

src/main/java/xyz/mineconomia/mineconomiacore/commands/mcore.java

@@ -13,7 +13,7 @@ import xyz.mineconomia.mineconomiacore.PDC;
 import java.io.IOException;
 import java.util.Objects;
 
-import static xyz.mineconomia.mineconomiacore.config.config;
+import static xyz.mineconomia.mineconomiacore.publicValues.config;
 
 public class mcore implements CommandExecutor {
     @Override

src/main/java/xyz/mineconomia/mineconomiacore/commands/sample.java

@@ -0,0 +1,36 @@
+package xyz.mineconomia.mineconomiacore.commands;
+
+import com.arangodb.ArangoCollection;
+import com.arangodb.entity.BaseDocument;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.NotNull;
+import xyz.mineconomia.mineconomiacore.serialization;
+
+import java.io.IOException;
+import java.util.Map;
+
+import static xyz.mineconomia.mineconomiacore.database.database;
+
+public class sample implements CommandExecutor {
+    @Override
+    public boolean onCommand(@NotNull CommandSender commandSender, @NotNull Command command, @NotNull String s, @NotNull String[] strings) {
+        ArangoCollection collection = database.collection("shops");
+        if (collection.documentExists(strings[0])){
+            BaseDocument baseDocument = collection.getDocument(strings[0], BaseDocument.class);
+            Map<String, Object> shopData = baseDocument.getProperties();
+            shopData.get("item");
+            try {
+                ((Player) commandSender).getInventory().addItem((ItemStack) serialization.stringToBukkitObject((String) shopData.get("item")));
+            } catch (IOException | ClassNotFoundException e) {
+                throw new RuntimeException(e);
+            }
+        }else{
+            commandSender.sendMessage("Shop není!");
+        }
+        return false;
+    }
+}

src/main/java/xyz/mineconomia/mineconomiacore/commands/shop.java

@@ -2,24 +2,27 @@ package xyz.mineconomia.mineconomiacore.commands;
 
 import com.arangodb.ArangoCollection;
 import com.arangodb.entity.BaseDocument;
-import com.arangodb.entity.BaseEdgeDocument;
 import org.bukkit.ChatColor;
 import org.bukkit.Material;
-import org.bukkit.block.Block;
+import org.bukkit.block.*;
-import org.bukkit.block.Container;
-import org.bukkit.block.Sign;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
 import org.bukkit.command.TabExecutor;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.persistence.PersistentDataType;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import xyz.mineconomia.mineconomiacore.PDC;
 import xyz.mineconomia.mineconomiacore.events.specialEvents;
+import xyz.mineconomia.mineconomiacore.handlers.SignHandler;
+import xyz.mineconomia.mineconomiacore.serialization;
 
 import java.util.List;
+import java.util.Objects;
+import java.util.UUID;
 
-import static xyz.mineconomia.mineconomiacore.config.config;
+import static xyz.mineconomia.mineconomiacore.publicValues.config;
 import static xyz.mineconomia.mineconomiacore.database.database;
 
 public class shop implements TabExecutor {
@@ -33,12 +36,16 @@ public class shop implements TabExecutor {
             commandSender.sendMessage(ChatColor.RED + "Musíš být hráč");
             return false;
         }
-        if (!(specialEvents.specialPreLocations.get(player).size() < 2)){
+        if (specialEvents.specialPreLocations.get(player) == null){
-            commandSender.sendMessage(ChatColor.RED + "Musíš mít označenou cedulku a úložiště");
+            commandSender.sendMessage(ChatColor.RED + "Musíš mít označenou cedulku a úložiště!");
             return false;
         }
-        Block block1 = specialEvents.specialPreLocations.get(player).get("loc1").getBlock();
+        if (!(specialEvents.specialPreLocations.get(player).size() == 2)){
-        Block block2 = specialEvents.specialPreLocations.get(player).get("loc2").getBlock();
+            commandSender.sendMessage(ChatColor.RED + "Musíš mít označenou cedulku a úložištěě");
+            return false;
+        }
+        BlockState block1 = specialEvents.specialPreLocations.get(player).get("loc1").getBlock().getState();
+        BlockState block2 = specialEvents.specialPreLocations.get(player).get("loc2").getBlock().getState();
 
         Container container;
         if (block1 instanceof Container){
@@ -58,7 +65,7 @@ public class shop implements TabExecutor {
             commandSender.sendMessage(ChatColor.RED + "Nemáš označenou cedulku");
             return false;
         }
-        ItemStack handyItem = player.getInventory().getItemInMainHand();
+        ItemStack handyItem = player.getInventory().getItemInMainHand().clone();
         if (handyItem.getType() == Material.AIR){
             commandSender.sendMessage(ChatColor.RED + "Nemáš v ruce item, který chceš prodávat");
             return false;
@@ -71,7 +78,7 @@ public class shop implements TabExecutor {
             commandSender.sendMessage(ChatColor.RED + "Cena a počet kusů musí být čísla!");
             return false;
         }
-        BaseDocument shopDocument = new BaseDocument();
+        BaseDocument shopDocument = new BaseDocument(""+ UUID.randomUUID());
         String shopRegime;
         switch (args[0]){
             case "buy":
@@ -86,13 +93,32 @@ public class shop implements TabExecutor {
                 commandSender.sendMessage(ChatColor.RED + "Neplatný režim obchodu");
                 return false;
         }
-        shopDocument.addAttribute("signLocation", sign.getLocation());
+        shopDocument.addAttribute("signLocation", serialization.bukkitObjectToString(sign.getLocation()));
-        shopDocument.addAttribute("storageLocation", container.getLocation());
+        shopDocument.addAttribute("signX", sign.getX());
-        shopDocument.addAttribute("count", args[1]);
+        shopDocument.addAttribute("signY", sign.getY());
+        shopDocument.addAttribute("signZ", sign.getZ());
+        shopDocument.addAttribute("signW", sign.getWorld().toString());
+        shopDocument.addAttribute("containerLocation", serialization.bukkitObjectToString(container.getLocation()));
+        shopDocument.addAttribute("containerX", container.getX());
+        shopDocument.addAttribute("containerY", container.getY());
+        shopDocument.addAttribute("containerZ", container.getZ());
+        shopDocument.addAttribute("containerW", container.getWorld().toString());
+        shopDocument.addAttribute("owner", player.getDisplayName());
+        shopDocument.addAttribute("count",   Math.round(Long.parseLong(args[1])));
+        shopDocument.addAttribute("price", Long.parseLong(args[2]));
         shopDocument.addAttribute("type", "playerLimited");
         shopDocument.addAttribute("regime", shopRegime);
-        BaseEdgeDocument ownershipEdge = new BaseEdgeDocument();
+        handyItem.setAmount(1);
-        ArangoCollection playersCollection = database.collection("shops");
+        shopDocument.addAttribute("itemName", Objects.requireNonNull(handyItem.getItemMeta()).getDisplayName());
+        shopDocument.addAttribute("item", serialization.bukkitObjectToString(handyItem));
+        shopDocument.addAttribute("itemType", handyItem.getType());
+        PDC.WriteTileStatePDC(sign, "shop", PersistentDataType.STRING, shopDocument.getKey());
+        SignHandler.changeSignText(sign, player.getDisplayName(), shopRegime, args[2] + "$/" + args[1] + "ks", handyItem.getType().name().toLowerCase());
+        sign.update();
+        PDC.WriteTileStatePDC(container, "storage", PersistentDataType.STRING, shopDocument.getKey());
+        ArangoCollection shopCollection = database.collection("shops");
+        shopCollection.insertDocument(shopDocument);
+        commandSender.sendMessage(ChatColor.GREEN + "Obchod vytvořen");
         return true;
 
     }

src/main/java/xyz/mineconomia/mineconomiacore/events/shopGuiInteract.java

@@ -0,0 +1,32 @@
+package xyz.mineconomia.mineconomiacore.events;
+
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.inventory.InventoryAction;
+import org.bukkit.event.inventory.InventoryClickEvent;
+import org.bukkit.event.inventory.InventoryCloseEvent;
+
+import java.util.HashMap;
+import java.util.Map;
+
+
+public class shopGuiInteract implements Listener {
+    public static HashMap<Player, Map<String, Object>> storeDatas = new HashMap<>();
+    @EventHandler
+    public void clickEvent(InventoryClickEvent event){
+        Player player = (Player) event.getWhoClicked();
+        Map<String, Object> storeData = storeDatas.get(player);
+        if (storeData == null) return;
+        event.setCancelled(true);
+        if (!event.getAction().equals(InventoryAction.PICKUP_ALL)) return;
+
+
+    }
+    @EventHandler
+    public void closeEvent(InventoryCloseEvent event){
+        Player player = (Player) event.getPlayer();
+        storeDatas.remove(player);
+    }
+
+}

src/main/java/xyz/mineconomia/mineconomiacore/events/shopInteract.java

@@ -0,0 +1,137 @@
+package xyz.mineconomia.mineconomiacore.events;
+
+import com.arangodb.ArangoCollection;
+import com.arangodb.entity.BaseDocument;
+import org.bukkit.*;
+import org.bukkit.block.BlockState;
+import org.bukkit.block.Container;
+import org.bukkit.block.Sign;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.Action;
+import org.bukkit.event.player.PlayerInteractEvent;
+import org.bukkit.inventory.Inventory;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+import org.bukkit.persistence.PersistentDataType;
+import xyz.mineconomia.mineconomiacore.PDC;
+import xyz.mineconomia.mineconomiacore.serialization;
+
+import java.io.IOException;
+import java.text.DecimalFormat;
+import java.text.NumberFormat;
+import java.util.*;
+
+import static xyz.mineconomia.mineconomiacore.database.database;
+
+public class shopInteract implements Listener {
+
+    @EventHandler
+    public static void savePosition(PlayerInteractEvent event) throws IOException, ClassNotFoundException {
+    if (event.getAction() == Action.RIGHT_CLICK_BLOCK){
+        Player player = event.getPlayer();
+        BlockState blockState = Objects.requireNonNull(event.getClickedBlock()).getState();
+        if (blockState instanceof Sign sign){
+            if (PDC.GetTileStatePDC(sign, "shop", PersistentDataType.STRING) != null){
+                ArangoCollection collection = database.collection("shops");
+                event.setCancelled(true);
+                String shopid = (String) PDC.GetTileStatePDC(sign, "shop", PersistentDataType.STRING);
+                player.sendMessage(ChatColor.GREEN + "Načítám data obchodu...");
+                if (collection.documentExists(shopid)){
+                    BaseDocument baseDocument = collection.getDocument(shopid, BaseDocument.class);
+                    Map<String, Object> shopData = baseDocument.getProperties();
+                    List<List<String>> placeholders = new ArrayList<>();
+                    NumberFormat formatInteger = new DecimalFormat("0");
+                    NumberFormat formatter = new DecimalFormat("0.00");
+                    String regime = (String) shopData.get("regime");
+                    String ownerPrefix = "";
+                    if (((String) shopData.get("type")).contains("group")){
+                        ownerPrefix = "Skupina ";
+                    }
+                    placeholders.add(new ArrayList<>(List.of("%%owner%%", ownerPrefix + shopData.get("owner"))));
+                    String count = (String) formatInteger.format(shopData.get("count"));
+                    String price = formatter.format( shopData.get("price"));
+                    String countEight = formatInteger.format(Math.multiplyExact((Long) shopData.get("count"), 8));
+                    String priceEight = formatter.format(Math.multiplyExact((Long) shopData.get("price"),8));
+                    Inventory inventory;
+                    Inventory invetoryToCheck;
+                    Inventory inventoryToAddTo;
+                    String shopPrefix;
+                    OfflinePlayer buyer;
+                    OfflinePlayer seller;
+                    String shopErrorMoney;
+                    String shopErrorProduct;
+                    Material shopMaterial;
+                    Material shopErrorMaterial;
+                    if (shopData.get("regime").equals("buy")) {
+                        invetoryToCheck = ((Container) ((Location) serialization.stringToBukkitObject((String) shopData.get("containerLocation"))).getBlock().getState()).getInventory();
+                        inventoryToAddTo = player.getInventory();
+                        shopPrefix = "&aKoupit ";
+                        shopMaterial = Material.LIME_WOOL;
+                        shopErrorMaterial = Material.LIME_STAINED_GLASS;
+                        inventory = Bukkit.createInventory(null, 9, ChatColor.DARK_GREEN+ ""+ChatColor.BOLD +"Prodej");
+                        shopErrorMoney = "&cNemáš dost peněz";
+                        shopErrorProduct = "&cMajitel nemá dostatek itemů";
+                        buyer = player;
+                        seller = Bukkit.getOfflinePlayer((String) shopData.get("owner"));
+
+                    }else{
+                        invetoryToCheck = player.getInventory();;
+                        inventoryToAddTo = ((Container) ((Location) serialization.stringToBukkitObject((String) shopData.get("containerLocation"))).getBlock().getState()).getInventory();
+                        shopPrefix = "&eProdat ";
+                        shopMaterial = Material.YELLOW_WOOL;
+                        shopErrorMaterial = Material.YELLOW_STAINED_GLASS;
+                        inventory = Bukkit.createInventory(null, 9, ChatColor.GOLD + ""+ ChatColor.BOLD +"Výkup");
+                        shopErrorMoney = "&cMajitel nemá dost peněz";
+                        shopErrorProduct = "&cNemáš dostatek itemů";
+                        buyer = Bukkit.getOfflinePlayer((String) shopData.get("owner"));
+                        seller = player;
+                    }
+
+                    inventory.setItem(0, newItemStack(shopPrefix + count + "ks za " + price + "$", shopMaterial));
+                    inventory.setItem(1, newItemStack(shopPrefix +  countEight + "ks za " + priceEight + "$", shopMaterial));
+                    inventory.setItem(7, (ItemStack) serialization.stringToBukkitObject((String) shopData.get("item")));
+                    inventory.setItem(8, newItemStack("&l&bInformace o obchodu:", Material.PLAYER_HEAD, List.of("&eMajitel: " + shopData.get("owner"))));
+                    shopData.put("inventoryToAddTo", inventoryToAddTo);
+                    shopData.put("inventoryToCheck", invetoryToCheck);
+                    shopData.put("seller", seller);
+                    shopData.put("buyer", buyer);
+                    shopGuiInteract.storeDatas.put(player, shopData);
+                    player.openInventory(inventory);
+
+
+
+
+
+                }else{
+                    player.sendMessage(ChatColor.RED + "Data obchodu nebyla nalezena");
+                }
+
+            }
+        }
+    }
+    }
+    public static ItemStack newItemStack(String name, Material material){
+        ItemStack itemStack = new ItemStack(material);
+        ItemMeta itemMeta = itemStack.getItemMeta();
+        assert itemMeta != null;
+        itemMeta.setDisplayName(ChatColor.translateAlternateColorCodes('&', name));
+        itemStack.setItemMeta(itemMeta);
+        return itemStack;
+    }
+    public static ItemStack newItemStack(String name, Material material, List<String> list){
+        ItemStack itemStack = new ItemStack(material);
+        ItemMeta itemMeta = itemStack.getItemMeta();
+        assert itemMeta != null;
+        itemMeta.setDisplayName(ChatColor.translateAlternateColorCodes('&', name));
+        List<String> lore = new ArrayList<>();
+        for (String loreline: list){
+            lore.add(ChatColor.translateAlternateColorCodes('&', loreline));
+        }
+        itemMeta.setLore(lore);
+        itemStack.setItemMeta(itemMeta);
+        return itemStack;
+    }
+
+}

src/main/java/xyz/mineconomia/mineconomiacore/handlers/SignHandler.java

@@ -5,25 +5,21 @@ import org.bukkit.block.Block;
 import org.bukkit.block.Sign;
 import org.bukkit.block.BlockState;
 
+import static xyz.mineconomia.mineconomiacore.MineconomiaCore.logger;
+
 
 public class SignHandler {
 
     //Implement for
-    public static void changeSignText(Location location, String line0, String line1, String line2, String line3) {
+    public static void changeSignText(Sign sign, String line0, String line1, String line2, String line3) {
-        Block block = location.getBlock();
+
-        BlockState state = block.getState();
-        //Je to cedulka?
-        if (state instanceof Sign) {
-            Sign sign = (Sign) state;
 
             //Nastavení textu
             sign.setLine(0, line0);
             sign.setLine(1, line1);
             sign.setLine(2, line2);
             sign.setLine(3, line3);
+            logger.info("successs");
 
-            //Aktualizace cedulky
-            sign.update();
-        }
     }
 }

src/main/java/xyz/mineconomia/mineconomiacore/invTools.java

@@ -0,0 +1,35 @@
+package xyz.mineconomia.mineconomiacore;
+
+import org.bukkit.inventory.Inventory;
+import org.bukkit.inventory.ItemStack;
+
+import java.util.Objects;
+
+public class invTools {
+    public static int getFreeSpaceForItem(Inventory inventory, ItemStack itemStack){
+        int count = 0;
+        int stackSize = itemStack.getMaxStackSize();
+        for (int i = 0; inventory.getSize() > i; i++){
+            if (inventory.getItem(i) == null){
+                count += stackSize;
+            } else if (Objects.requireNonNull(inventory.getItem(i)).isSimilar(itemStack)) {
+                count += stackSize - Objects.requireNonNull(inventory.getItem(i)).getAmount();
+            }
+
+        }
+        return count;
+    }
+    public static int itemAmount(Inventory inventory, ItemStack itemStack){
+        int count = 0;
+        for(int i = 0; inventory.getSize() > i; i++){
+            ItemStack comparedItem = inventory.getItem(i);
+            if (comparedItem != null){
+                if (itemStack.isSimilar(comparedItem)){
+                    count += comparedItem.getAmount();
+                }
+            }
+        }
+        return count;
+    }
+
+}

src/main/java/xyz/mineconomia/mineconomiacore/publicValues.java

@@ -1,8 +1,12 @@
 package xyz.mineconomia.mineconomiacore;
 
+import com.arangodb.entity.BaseDocument;
 import org.bukkit.configuration.file.FileConfiguration;
 
-public interface config {
+import java.util.HashMap;
+
+public interface publicValues {
     FileConfiguration config = MineconomiaCore.getPlugin(MineconomiaCore.class).getConfig();
+    HashMap<String, Object> shops = new HashMap<>();
 }
 

src/main/java/xyz/mineconomia/mineconomiacore/serialization.java

@@ -0,0 +1,30 @@
+package xyz.mineconomia.mineconomiacore;
+
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.util.io.BukkitObjectInputStream;
+import org.bukkit.util.io.BukkitObjectOutputStream;
+
+import java.io.*;
+import java.util.Base64;
+
+public class serialization {
+    public static String bukkitObjectToString(Object object){
+        byte[] serializedObject = null;
+        try {
+            ByteArrayOutputStream baos = new ByteArrayOutputStream();
+            BukkitObjectOutputStream oos = new BukkitObjectOutputStream(baos);
+            oos.writeObject(object);
+            oos.close();
+            serializedObject = baos.toByteArray();
+
+        } catch (IOException e) {
+            MineconomiaCore.logger.info("it's fucked: " + e);
+        }
+        return Base64.getEncoder().encodeToString(serializedObject);
+    }
+    public static Object stringToBukkitObject(String string) throws IOException, ClassNotFoundException {
+        byte[] byteArray = Base64.getDecoder().decode(string);
+        BukkitObjectInputStream in = new BukkitObjectInputStream(new ByteArrayInputStream(byteArray));
+        return in.readObject();
+    }
+}

src/main/resources/plugin.yml

@@ -1,7 +1,7 @@
 name: MineconomiaCore
 version: '${project.version}'
 main: xyz.mineconomia.mineconomiacore.MineconomiaCore
-api-version: '1.20'
+api-version: '1.18'
 prefix: MCore
 authors: [Jakub Soukup, Richard Telka]
 commands:
@@ -15,3 +15,9 @@ commands:
     usage: "toto je potřeba někdy dodělat - Kubík"
   fhb:
     description: "dá kuzelnou kouli sklizně "
+    permission: mcore.fhb
+  shop:
+    description: "mgg nesnáším vysvětlování věcí, proč vůbec používáš help?"
+  sample:
+    description: will unfuck things
+    permission: mcore.unfuck