Finish map and coordinates system

ic_plugin_coordinates/src/main/java/nl/interestingcorner/coordinates/App.java

@@ -5,8 +5,10 @@ import org.bukkit.command.PluginCommand;
 import org.bukkit.plugin.java.JavaPlugin;
 
 import nl.interestingcorner.coordinates.commands.CoordinatesCommand;
+import nl.interestingcorner.coordinates.db.Coordinate;
 import nl.interestingcorner.coordinates.db.CoordinatesDatabaseManager;
-// import nl.interestingcorner.coordinates.gui.CoordinatesGUIListener;
+import nl.interestingcorner.coordinates.listeners.MapUseListener;
+import nl.interestingcorner.core.MinecraftColor;
 
 public class App extends JavaPlugin {
 
@@ -16,9 +18,8 @@ public class App extends JavaPlugin {
         CoordinatesDatabaseManager.INSTANCE.initialize(this);
         getLogger().info("Successfully initialized database");
 
-        // getServer().getPluginManager().registerEvents(new CoordinatesGUIListener(), this);
+        getServer().getPluginManager().registerEvents(new MapUseListener(), this);
         registerCommands();
-
     }
 
     @Override
@@ -27,15 +28,76 @@ public class App extends JavaPlugin {
     }
 
     private void registerCommands() {
-        registerSimgleCommand("ic-coords", new CoordinatesCommand());
+        registerSingleCommand("ic-coords", new CoordinatesCommand());
     }
 
-    private void registerSimgleCommand(String name, CommandExecutor executor)
+    private void registerSingleCommand(String name, CommandExecutor executor) {
-    {
         PluginCommand pc = this.getCommand(name);
-        if (pc != null)
+        if (pc != null) {
-        {
             pc.setExecutor(executor);
         }
     }
+
+    @Deprecated
+    private void addOldCoordinates() {
+        CoordinatesDatabaseManager db = CoordinatesDatabaseManager.INSTANCE;
+        db.addCoordinate(new Coordinate(1, "The Tower", "Teleport to the Castle of Illusion",
+                new Coordinate.Position(2700, 65, 450), false, "the-old-world", MinecraftColor.GOLD));
+        db.addCoordinate(new Coordinate(12, "Temple of Tears", "Teleport to the temple in the sky",
+                new Coordinate.Position(2445, 218, -1902), false, "the-old-world", MinecraftColor.AQUA));
+        db.addCoordinate(new Coordinate(13, "Big village", "Teleport to a big ass village",
+                new Coordinate.Position(1828, 63, -845), false, "the-old-world", MinecraftColor.BLACK));
+        db.addCoordinate(new Coordinate(14, "Other village", "Teleport to yet another village",
+                new Coordinate.Position(1771, 64, -1626), false, "the-old-world", MinecraftColor.BLACK));
+        db.addCoordinate(new Coordinate(15, "Acacia village", "Teleport to acacia village",
+                new Coordinate.Position(2287, 63, -1492), false, "the-old-world", MinecraftColor.BLACK));
+        db.addCoordinate(new Coordinate(16, "Illager castle", "Teleport to an illager castle",
+                new Coordinate.Position(2694, 93, -1240), false, "the-old-world", MinecraftColor.GRAY));
+        db.addCoordinate(new Coordinate(17, "Huge honeycomb", "Hmmm honey", new Coordinate.Position(1650, 70, 637),
+                false, "the-old-world", MinecraftColor.BLACK));
+        db.addCoordinate(new Coordinate(18, "Mansion", "The big mansion next to The Tower",
+                new Coordinate.Position(2833, 66, 377), false, "the-old-world", MinecraftColor.DARK_AQUA));
+        db.addCoordinate(new Coordinate(19, "Village with labyrinth", "Big village with a labyrinth",
+                new Coordinate.Position(871, 66, 884), false, "the-old-world", MinecraftColor.BLACK));
+        db.addCoordinate(new Coordinate(20, "Ravine cave entrance", "Teleport to big cave entrance",
+                new Coordinate.Position(2080, 105, 1135), false, "the-old-world", MinecraftColor.BLACK));
+        db.addCoordinate(new Coordinate(21, "Skeleton spawner", "Get some XP made by Sienna",
+                new Coordinate.Position(2278, -9, 1484), false, "the-old-world", MinecraftColor.LIGHT_PURPLE));
+        db.addCoordinate(new Coordinate(22, "Nether portal", "Nether portal IN THE NETHER",
+                new Coordinate.Position(316, 81, 50), true, "the-old-world", MinecraftColor.RED));
+        db.addCoordinate(new Coordinate(25, "Home village", "The first home village",
+                new Coordinate.Position(2212, 69, 926), false, "the-old-world", MinecraftColor.GREEN));
+        db.addCoordinate(new Coordinate(26, "deep dark wool eiland", "ready to get your asshole ripped",
+                new Coordinate.Position(2626, -36, 1714), false, "the-old-world", MinecraftColor.DARK_BLUE));
+        db.addCoordinate(new Coordinate(27, "2nd Nether portal", "2nd nether portal IN THE NETHER",
+                new Coordinate.Position(264, 43, 106), true, "the-old-world", MinecraftColor.RED));
+        db.addCoordinate(new Coordinate(28, "Nether fortress", "Nether fortress IN THE NETHER",
+                new Coordinate.Position(85, 60, 423), true, "the-old-world", MinecraftColor.DARK_RED));
+        db.addCoordinate(new Coordinate(29, "Village hidden in the sand", "Also known as Sunagakure",
+                new Coordinate.Position(223, 75, 688), false, "the-old-world", MinecraftColor.YELLOW));
+        db.addCoordinate(new Coordinate(30, "deep dark", "deep down", new Coordinate.Position(2590, -17, -1690), false,
+                "the-old-world", MinecraftColor.DARK_BLUE));
+        db.addCoordinate(new Coordinate(31, "Mob farm", "mob farm maken voor xp en andere stuff enzo",
+                new Coordinate.Position(2471, 79, -440), false, "the-old-world", MinecraftColor.RED));
+        db.addCoordinate(new Coordinate(33, "Green cave", "NEW Green cave", new Coordinate.Position(10098, -10, 10076),
+                false, "the-old-world", MinecraftColor.GREEN));
+        db.addCoordinate(new Coordinate(34, "Castle", "Beautiful castle in plains biome",
+                new Coordinate.Position(9678, 90, 11222), false, "the-old-world", MinecraftColor.GOLD));
+        db.addCoordinate(new Coordinate(35, "RPG style city", "large village with a castle",
+                new Coordinate.Position(8904, 68, 11200), false, "the-old-world", MinecraftColor.AQUA));
+        db.addCoordinate(new Coordinate(36, "Abandoned castle", "Abandoned castle which we conquered",
+                new Coordinate.Position(9071, 74, 11022), false, "the-old-world", MinecraftColor.LIGHT_PURPLE));
+        db.addCoordinate(new Coordinate(37, "Portal", "New portal IN THE NETHER",
+                new Coordinate.Position(1136, 32, 1397), true, "the-old-world", MinecraftColor.RED));
+        db.addCoordinate(new Coordinate(38, "bee boss", "ga dood lol", new Coordinate.Position(3470, 64, 227), false,
+                "the-old-world", MinecraftColor.BLACK));
+        db.addCoordinate(new Coordinate(39, "bee boss 2.0", "ga dood neef", new Coordinate.Position(4045, 63, 130),
+                false, "the-old-world", MinecraftColor.BLACK));
+        db.addCoordinate(new Coordinate(40, "Ice biome", "RIP my boi titanic", new Coordinate.Position(4587, 63, 476),
+                false, "the-old-world", MinecraftColor.AQUA));
+        db.addCoordinate(new Coordinate(41, "Onderwater gang trap ofzo", "Neem water breathing of hoedje mee ofzo",
+                new Coordinate.Position(6156, 63, 2228), false, "the-old-world", MinecraftColor.GRAY));
+        db.addCoordinate(new Coordinate(42, "The hood", "da hood", new Coordinate.Position(8202, 70, 999580), false,
+                "the-old-world", MinecraftColor.GREEN));
+    }
 }

ic_plugin_coordinates/src/main/java/nl/interestingcorner/coordinates/commands/AddCoordinateCommandHandler.java

@@ -41,11 +41,6 @@ public class AddCoordinateCommandHandler implements CoordinatesCommandHandler {
             return false;
         }
 
-        sender.sendMessage("Args after parsing:");
-        sender.sendMessage("0:" + parsedArgs.get(0));
-        sender.sendMessage("1:" + parsedArgs.get(1));
-        sender.sendMessage("2:" + parsedArgs.get(2));
-
         String name = parsedArgs.get(0);
         String description = parsedArgs.get(1);
         String color = parsedArgs.get(2);
@@ -66,6 +61,7 @@ public class AddCoordinateCommandHandler implements CoordinatesCommandHandler {
                 return false;
             }
 
+            player.sendMessage(MinecraftColor.BLUE.toColorCode() + "Adding coordinate '" + name + "' at your current location...");
             //TODO check if item doesnt already exist, coordinate with same values, create isEquals method for coordinate
             return CoordinatesDatabaseManager.INSTANCE
                     .addCoordinate(name, // name
@@ -84,12 +80,10 @@ public class AddCoordinateCommandHandler implements CoordinatesCommandHandler {
     private List<String> removeFirstArg(String[] args) {
         List<String> onlyArgs = new ArrayList<>();
 
-        sender.sendMessage("removeFirstArg: size of args is " + String.valueOf(args.length));
         for (int i = 1; i < args.length; i++) {
             onlyArgs.add(args[i]);
         }
 
-        sender.sendMessage("removeFirstArg: size of onlyArgs is " + String.valueOf(onlyArgs.size()));
         return onlyArgs;
     }
 

ic_plugin_coordinates/src/main/java/nl/interestingcorner/coordinates/commands/CoordinatesCommand.java

@@ -15,13 +15,11 @@ public class CoordinatesCommand implements CommandExecutor{
             sb.append(" ");
         }
         
-        sender.sendMessage("Args length: " + String.valueOf(args.length));
-        sender.sendMessage(sb.toString());
-        
         // strategy design pattern
         return switch (args[0]) {
             case "get" -> new GetCoordinatesCommandHandler().handleCommand(sender, args);
             case "add" -> new AddCoordinateCommandHandler().handleCommand(sender, args);
+            case "map" -> new GetMapCommandHandler().handleCommand(sender, args);
             default -> false;
         };
     }

ic_plugin_coordinates/src/main/java/nl/interestingcorner/coordinates/commands/GetCoordinatesCommandHandler.java

@@ -13,6 +13,7 @@ public class GetCoordinatesCommandHandler implements CoordinatesCommandHandler {
 
     @Override
     public boolean handleCommand(CommandSender sender, String[] args) {
+        try {
             if (sender instanceof Player player) {
                 List<Coordinate> coords;
                 if (args.length < 2) {
@@ -30,17 +31,13 @@ public class GetCoordinatesCommandHandler implements CoordinatesCommandHandler {
                     return true;
                 }
     
-            StringBuilder res = new StringBuilder("Coordinates: ");
-
-            for (Coordinate coordinate : coords) {
-                res.append(coordinate.toString());
-            }
-
-            player.sendMessage(res.toString());
-
                 CoordinatesGUI.open(player, coords);
             }
             return true;
+        } catch (Exception e) {
+            sender.sendMessage("An error occurred while getting coordinates: " + e.getMessage());
+            return false;
+        }
     }
 
 }

ic_plugin_coordinates/src/main/java/nl/interestingcorner/coordinates/commands/GetMapCommandHandler.java

@@ -0,0 +1,55 @@
+package nl.interestingcorner.coordinates.commands;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.bukkit.Material;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+
+import nl.interestingcorner.core.MinecraftColor;
+
+public class GetMapCommandHandler implements CoordinatesCommandHandler {
+    public static final String MAP_ITEM_NAME = MinecraftColor.LIGHT_PURPLE + "Map of Coordinates";
+    public static final String MAP_ITEM_LORE = MinecraftColor.AQUA.toColorCode() + "This will take you anywhere!";
+
+    @Override
+    public boolean handleCommand(CommandSender sender, String[] args) {
+        if (!(sender instanceof Player player)) {
+            sender.sendMessage("This command can only be used by a player.");
+            return true;
+        }
+
+        // Create a custom map item
+        ItemStack map = new ItemStack(Material.FILLED_MAP);
+        ItemMeta meta = map.getItemMeta();
+        if (meta != null) {
+            meta.setDisplayName(MAP_ITEM_NAME);
+            List<String> lore = new ArrayList<>();
+            lore.add(MAP_ITEM_LORE);
+            meta.setLore(lore);
+            map.setItemMeta(meta);
+        }
+
+        // Give the item to the player
+        player.getInventory().addItem(map);
+        player.sendMessage(MinecraftColor.GREEN.toColorCode() + "You received the Coordinates map! Right-click to use it.");
+        return true;
+    }
+
+    /**
+     * Check if the given item is the special map item.
+     * @param item The item to check.
+     * @return true if it is the special map, false otherwise.
+     */
+    public static boolean isSpecialMap(ItemStack item) {
+        if (item == null || item.getType() != Material.FILLED_MAP) return false;
+        ItemMeta meta = item.getItemMeta();
+        if (meta == null) return false;
+        return meta.hasDisplayName() && meta.getDisplayName().equals(MAP_ITEM_NAME) &&
+               meta.hasLore() && meta.getLore() != null && meta.getLore().contains(MAP_ITEM_LORE);
+    }
+    
+}

ic_plugin_coordinates/src/main/java/nl/interestingcorner/coordinates/db/Coordinate.java

@@ -2,6 +2,7 @@ package nl.interestingcorner.coordinates.db;
 
 import java.util.List;
 
+import org.bukkit.Location;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
 
@@ -136,6 +137,56 @@ public class Coordinate {
         return itemStack;
     }
 
+    /**
+     * Converts this Coordinate to a Bukkit Location object
+     * @return the Location object
+     */
+    public Location toLocation() {
+        return new Location(
+            org.bukkit.Bukkit.getWorld(this.world),
+            this.position.x(),
+            this.position.y(),
+            this.position.z()
+        );
+    }
+
+    /**
+     * Creates a Coordinate object from an ItemStack
+     * @param item the ItemStack to convert
+     * @return the Coordinate object, or null if the ItemStack is not a valid Coordinate
+     */
+    public static Coordinate fromItem(ItemStack item)
+    {
+        if (item == null || item.getItemMeta() == null) {
+            return null;
+        }
+        ItemMeta meta = item.getItemMeta();
+        if (meta == null) {
+            return null;
+        }
+        String name = meta.getDisplayName().replaceAll("§[0-9a-fk-or]", "");
+
+        List<String> lore = meta.getLore();
+        if (lore == null || lore.size() < 6) {
+            return null;
+        }
+        String description = lore.get(0).replaceAll("§[0-9a-fk-or]", "");
+        boolean nether = lore.get(1).contains("Nether Coordinate");
+        String xLine = lore.get(2);
+        String yLine = lore.get(3);
+        String zLine = lore.get(4);
+        String worldLine = lore.get(5);
+
+        int x = Integer.parseInt(xLine.substring(xLine.indexOf(":") + 2));
+        int y = Integer.parseInt(yLine.substring(yLine.indexOf(":") + 2));
+        int z = Integer.parseInt(zLine.substring(zLine.indexOf(":") + 2));
+        String world = worldLine.substring(worldLine.indexOf(":") + 2);
+
+        MinecraftColor color = MinecraftColor.fromMaterial(item.getType());
+
+        return new Coordinate(-1, name, description, new Position(x, y, z), nether, world, color);
+    }
+
     @Override
     public boolean equals(Object obj) {
         if (this == obj)

ic_plugin_coordinates/src/main/java/nl/interestingcorner/coordinates/db/CoordinatesDatabaseManager.java

@@ -12,6 +12,7 @@ import org.bukkit.plugin.java.JavaPlugin;
 
 import nl.interestingcorner.core.MinecraftColor;
 import nl.interestingcorner.core.db.DatabaseManager;
+import nl.interestingcorner.core.logging.Logger;
 
 public enum CoordinatesDatabaseManager implements nl.interestingcorner.core.db.DatabaseInitializeListener{
 
@@ -20,6 +21,8 @@ public enum CoordinatesDatabaseManager implements nl.interestingcorner.core.db.D
     private Connection connection;
     private JavaPlugin app;
 
+    private final String TAG = getClass().getSimpleName();
+
     public void initialize(JavaPlugin app) {
         this.app = app;
         DatabaseManager.INSTANCE.registerDatabaseInitializeListener(this);
@@ -119,6 +122,8 @@ public enum CoordinatesDatabaseManager implements nl.interestingcorner.core.db.D
             this.app.getLogger().log(Level.SEVERE, "Error adding coordinate to database: {0}", e.getMessage());
             return false;
         }
+
+        Logger.INSTANCE.info(TAG, "Added coordinate '" + name + "' to database.");
         return true;
     }
 

ic_plugin_coordinates/src/main/java/nl/interestingcorner/coordinates/gui/CoordinatesGUI.java

@@ -1,5 +1,6 @@
 package nl.interestingcorner.coordinates.gui;
 
+import java.util.ArrayList;
 import java.util.List;
 
 import org.bukkit.entity.Player;
@@ -10,15 +11,15 @@ import nl.interestingcorner.core.gui.GUI;
 
 public class CoordinatesGUI {
     public static void open(Player player, List<Coordinate> coords) {
-        // Convert coordinates to ItemStacks for GUI display
+        List<ItemStack> items = new ArrayList<>();
-        List<ItemStack> items = coords.stream()
+        
-                .map(coord -> {
+        for (Coordinate coord : coords) {
             ItemStack item = coord.toItem();
-                    return item;
+            items.add(item);
-                })
+        }
-                .toList();
 
         GUI gui = new GUI("Coordinates", GUI.DEFAULT_PAGE_SIZE);
+        gui.addItemClickListener(new TeleportItemClickListener());
         gui.setItems(items);
         gui.show(player);
     }

ic_plugin_coordinates/src/main/java/nl/interestingcorner/coordinates/gui/TeleportItemClickListener.java

@@ -0,0 +1,31 @@
+package nl.interestingcorner.coordinates.gui;
+
+import org.bukkit.Location;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+
+import nl.interestingcorner.coordinates.db.Coordinate;
+import nl.interestingcorner.core.gui.GUI;
+import nl.interestingcorner.core.gui.GUIItemClickListener;
+import nl.interestingcorner.core.logging.Logger;
+
+public class TeleportItemClickListener implements GUIItemClickListener {
+
+    private final String TAG = this.getClass().getSimpleName();
+
+    @Override
+    public void onItemClick(Player player, GUI gui, ItemStack item, int slot) {
+        
+        Logger.INSTANCE.info(TAG, "Item clicked in slot " + slot + " by player " + player.getName());
+        Coordinate coordinate = Coordinate.fromItem(item);
+
+        if (coordinate != null) {
+            Location loc = coordinate.toLocation();
+            Logger.INSTANCE.info(TAG, "Teleporting player " + player.getName() + " to coordinate " + coordinate.name);
+            player.sendMessage("Teleporting you to " + coordinate.name);
+            player.teleport(loc);
+            player.sendTitle(coordinate.name, coordinate.description, 10, 70, 20);
+            player.closeInventory();
+        }
+    }
+}

ic_plugin_coordinates/src/main/java/nl/interestingcorner/coordinates/listeners/MapUseListener.java

@@ -0,0 +1,25 @@
+package nl.interestingcorner.coordinates.listeners;
+
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerInteractEvent;
+import org.bukkit.inventory.ItemStack;
+
+import nl.interestingcorner.coordinates.commands.GetMapCommandHandler;
+
+public class MapUseListener implements Listener {
+
+    @EventHandler
+    public void onPlayerUseMap(PlayerInteractEvent event) {
+        Player player = event.getPlayer();
+        ItemStack item = event.getItem();
+
+        if (GetMapCommandHandler.isSpecialMap(item)) {
+            event.setCancelled(true);
+
+            // execute command to show coordinates of this world
+            player.performCommand("ic-coords get world");
+        }
+    }
+}

ic_plugin_coordinates/src/main/resources/plugin.yml

@@ -7,4 +7,4 @@ depend: [IC-core]
 commands:
    ic-coords:
       description: Main command for the coordinates
-      usage: /ic-coords get | add
+      usage: /ic-coords get | add | map

ic_plugin_core/src/main/java/nl/interestingcorner/core/App.java

@@ -3,6 +3,8 @@ package nl.interestingcorner.core;
 import org.bukkit.plugin.java.JavaPlugin;
 
 import nl.interestingcorner.core.db.DatabaseManager;
+import nl.interestingcorner.core.gui.GUIInventoryClickListener;
+import nl.interestingcorner.core.logging.Logger;
 
 /**
  * Core plugin class for the Interesting Corner plugin
@@ -11,6 +13,8 @@ public class App extends JavaPlugin {
     @Override
     public void onEnable() {
         DatabaseManager.INSTANCE.initialize(this);
+        Logger.INSTANCE.initialize(this);
+        getServer().getPluginManager().registerEvents(GUIInventoryClickListener.INSTANCE, this);
         getLogger().info("Core plugin loaded!");
     }
 

ic_plugin_core/src/main/java/nl/interestingcorner/core/MinecraftColor.java

@@ -124,6 +124,20 @@ public enum MinecraftColor {
         return materialsMap.get(this);
     }
 
+    /**
+     * Finds a MinecraftColor from a Material.
+     * @param material the material to find the color from
+     * @return the MinecraftColor corresponding to the material. White if not found.
+     */
+    public static MinecraftColor fromMaterial(Material material) {
+        for (MinecraftColor color : MinecraftColor.values()) {
+            if (materialsMap.get(color) == material) {
+                return color;
+            }
+        }
+        return WHITE;
+    }
+
     /**
      * Converts this MinecraftColor to a corresponding Minecraft color code.
      * @return

ic_plugin_core/src/main/java/nl/interestingcorner/core/gui/ChestGUI.java

@@ -1,29 +0,0 @@
-package nl.interestingcorner.core.gui;
-
-import java.util.List;
-
-import org.bukkit.Bukkit;
-import org.bukkit.entity.Player;
-import org.bukkit.inventory.Inventory;
-import org.bukkit.inventory.ItemStack;
-
-/**
- * Generalized chest GUI for use in plugins.
- */
-public class ChestGUI {
-    public static void open(Player player, String title, List<ItemStack> items) {
-        int itemsAmount = items.size();
-        int size;
-        if (itemsAmount <= 9) {
-            size = 9;
-        } else {
-            // TODO: handle pagination for >54 items
-            size = ((itemsAmount / 9) + 1) * 9;
-        }
-        Inventory gui = Bukkit.createInventory(null, size, title);
-        for (ItemStack item : items) {
-            gui.addItem(item);
-        }
-        player.openInventory(gui);
-    }
-}

ic_plugin_core/src/main/java/nl/interestingcorner/core/gui/ChestGUIListener.java

@@ -1,27 +0,0 @@
-package nl.interestingcorner.core.gui;
-
-import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
-import org.bukkit.event.Listener;
-import org.bukkit.event.inventory.InventoryClickEvent;
-
-/**
- * Generalized listener for chest GUIs. Extend or register with custom logic.
- */
-public class ChestGUIListener implements Listener {
-    private final String guiTitle;
-
-    public ChestGUIListener(String guiTitle) {
-        this.guiTitle = guiTitle;
-    }
-
-    @EventHandler
-    public void onInventoryClick(InventoryClickEvent event) {
-        if (event.getView().getTitle().equals(guiTitle)) {
-            event.setCancelled(true);
-            if (event.getCurrentItem() == null) return;
-            Player player = (Player) event.getWhoClicked();
-            // Extend this class and override this method for custom slot handling
-        }
-    }
-}

ic_plugin_core/src/main/java/nl/interestingcorner/core/gui/GUI.java

@@ -4,23 +4,49 @@ import java.util.ArrayList;
 import java.util.List;
 
 import org.bukkit.Bukkit;
+import org.bukkit.Material;
 import org.bukkit.entity.Player;
+import org.bukkit.event.Listener;
 import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.InventoryHolder;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 
-public class GUI implements InventoryHolder {
+public final class GUI implements InventoryHolder, Listener {
     public static final int MAX_INVENTORY_SIZE = 54; // max size of inventory before pages are needed
     public static final int DEFAULT_PAGE_SIZE = 45; // default items per page (excluding navigation row)
+    public static final int PREVIOUS_PAGE_SLOT = 45; // slot for previous page button
+    public static final int NEXT_PAGE_SLOT = 53;     // slot for next page button
 
     /**
      * Inventory that will be displayed
      */
     private Inventory inventory;
+
+    /**
+     * Full list of items that the GUI holds
+     */
     private List<ItemStack> items;
+
+    /**
+     * Current page being displayed
+     */
     private int currentPage;
-    private String title;
+
-    private int pageSize;
+    /**
+     * Title of the GUI
+     */
+    private final String title;
+
+    /**
+     * Number of items per page
+     */
+    private final int pageSize;
+
+    /**
+     * Listener for item click events
+     */
+    private final List<GUIItemClickListener> itemClickListeners;
 
     public GUI(String title, int pageSize) {
         this.title = title;
@@ -28,6 +54,8 @@ public class GUI implements InventoryHolder {
         this.items = new ArrayList<>();
         this.currentPage = 0;
         this.inventory = null;
+        this.itemClickListeners = new ArrayList<>();
+        addItemClickListener(new NavigationItemClickListener());
     }
 
     public void setItems(List<ItemStack> items) {
@@ -36,6 +64,14 @@ public class GUI implements InventoryHolder {
         updateInventory();
     }
 
+    public void addItemClickListener(GUIItemClickListener listener) {
+        this.itemClickListeners.add(listener);
+    }
+
+    public List<GUIItemClickListener> getItemClickListeners() {
+        return this.itemClickListeners;
+    }
+
     public void addItem(ItemStack item) {
         this.items.add(item);
         updateInventory();
@@ -65,16 +101,55 @@ public class GUI implements InventoryHolder {
     }
 
     private void updateInventory() {
-        // Create inventory for the current page
+        boolean needsPagination = items.size() > DEFAULT_PAGE_SIZE;
-        int size = Math.min(pageSize, MAX_INVENTORY_SIZE);
+        int inventorySize = needsPagination ? MAX_INVENTORY_SIZE : pageSize;
-        this.inventory = Bukkit.createInventory(this, size, title);
+        this.inventory = Bukkit.createInventory(this, inventorySize, title);
-        int start = currentPage * pageSize;
+
-        int end = Math.min(start + pageSize, items.size());
+        int itemsPerPage = needsPagination ? DEFAULT_PAGE_SIZE : pageSize;
+        int start = currentPage * itemsPerPage;
+        int end = Math.min(start + itemsPerPage, items.size());
         List<ItemStack> pageItems = items.subList(start, end);
+
         for (int i = 0; i < pageItems.size(); i++) {
+            if (needsPagination && i >= DEFAULT_PAGE_SIZE) {
+                // Fill only the top rows (0-44) with items if paginating
+                break;
+            }
             this.inventory.setItem(i, pageItems.get(i));
         }
-        // TODO: Add navigation items if needed
+
+        // Add navigation buttons if needed
+        if (needsPagination) {
+            if (currentPage > 0) {
+                // Slot 45: Previous Page
+                // use currentPage to show 1-based page number
+                ItemStack prevButton = createNavigationItem("Previous Page", (currentPage) + " / " + getPagesAmount());
+                this.inventory.setItem(PREVIOUS_PAGE_SLOT, prevButton);
+            }
+
+            if ((currentPage + 1) * pageSize < items.size()) {
+                // Slot 53: Next Page
+                // use currentPage + 2 to show 1-based page number
+                ItemStack nextButton = createNavigationItem("Next Page", (currentPage + 2) + " / " + getPagesAmount());
+                this.inventory.setItem(NEXT_PAGE_SLOT, nextButton);
+            }
+        }
+    }
+
+    private ItemStack createNavigationItem(String name, String description) {
+        ItemStack compass = new ItemStack(Material.COMPASS);
+        ItemMeta meta = compass.getItemMeta();
+        if (meta == null)
+        {
+            return compass;
+        }
+
+        meta.setDisplayName(name);
+        List<String> lore = new ArrayList<>();
+        lore.add(description);
+        meta.setLore(lore);
+        compass.setItemMeta(meta);
+        return compass;
     }
 
     @Override

ic_plugin_core/src/main/java/nl/interestingcorner/core/gui/GUIBuilder.java

@@ -1,39 +0,0 @@
-package nl.interestingcorner.core.gui;
-
-import java.util.List;
-
-import org.bukkit.Bukkit;
-import org.bukkit.inventory.Inventory;
-import org.bukkit.inventory.ItemStack;
-
-public class GUIBuilder {
-
-    public Inventory buildInventory(List<ItemStack> items) {
-        /**
-         * if more than 45, add pages. Split by 45 items per page.
-         * use bottom row leftmost and rightmost item for navigation.
-         * use paper item for page number display in middle.
-         * use lore of navigation items clicked to handle showing next/previous page.
-         * use player.getOpeninventory() to get current inventory and update or close
-         * it.
-         */
-
-        int itemsAmount = items.size();
-        int pagesAmount = getPagesAmount(itemsAmount);
-
-        Inventory gui = Bukkit.createInventory(null, GUI.MAX_INVENTORY_SIZE, "Coordinates Menu");
-
-        for (ItemStack item : items) {
-            gui.addItem(item);
-        }
-
-        return gui;
-    }
-
-    private static int getPagesAmount(int itemsAmount) {
-        if (itemsAmount > GUI.MAX_INVENTORY_SIZE) {
-            return ((itemsAmount / GUI.DEFAULT_PAGE_SIZE) + 1);
-        }
-        return 1;
-    }
-}

ic_plugin_core/src/main/java/nl/interestingcorner/core/gui/GUIInventoryClickListener.java

@@ -0,0 +1,32 @@
+package nl.interestingcorner.core.gui;
+
+import java.util.List;
+
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.inventory.InventoryClickEvent;
+
+import nl.interestingcorner.core.logging.Logger;
+
+public enum GUIInventoryClickListener implements Listener{
+    INSTANCE;
+
+    private final String TAG = this.getClass().getSimpleName();
+    
+    @EventHandler
+    public void onInventoryClick(InventoryClickEvent event) {
+        if (event.getInventory().getHolder() instanceof GUI gui) {
+            Logger.INSTANCE.info(TAG, "Inventory click event detected");
+            
+            List<GUIItemClickListener> itemClickListeners = gui.getItemClickListeners();
+            for (GUIItemClickListener itemClickListener : itemClickListeners)
+            {
+                event.setCancelled(true);
+                Logger.INSTANCE.info(TAG, "Sending click event to listener");
+                itemClickListener.onItemClick((Player) event.getWhoClicked(), gui, event.getCurrentItem(), event.getSlot());
+            }
+        }
+    }
+
+}

ic_plugin_core/src/main/java/nl/interestingcorner/core/gui/GUIItemClickListener.java

@@ -0,0 +1,8 @@
+package nl.interestingcorner.core.gui;
+
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+
+public interface GUIItemClickListener {
+    void onItemClick(Player player, GUI gui, ItemStack item, int slot);
+}

ic_plugin_core/src/main/java/nl/interestingcorner/core/gui/NavigationItemClickListener.java

@@ -0,0 +1,21 @@
+package nl.interestingcorner.core.gui;
+
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+
+public class NavigationItemClickListener implements GUIItemClickListener {
+
+    @Override
+    public void onItemClick(Player player, GUI gui, ItemStack item, int slot) {
+        if (slot == GUI.PREVIOUS_PAGE_SLOT) {
+            gui.previousPage();
+            player.closeInventory();
+            gui.show(player);
+        } else if (slot == GUI.NEXT_PAGE_SLOT) {
+            gui.nextPage();
+            player.closeInventory();
+            gui.show(player);
+        }
+    }
+    
+}

ic_plugin_core/src/main/java/nl/interestingcorner/core/logging/Logger.java

@@ -0,0 +1,19 @@
+package nl.interestingcorner.core.logging;
+
+import org.bukkit.plugin.java.JavaPlugin;
+
+public enum Logger {
+    INSTANCE;
+
+    private JavaPlugin plugin;
+
+    public void initialize(JavaPlugin plugin) {
+        this.plugin = plugin;
+    }
+
+    public void info(String tag, String message) {
+        if (this.plugin != null) {
+            this.plugin.getLogger().info("[" + tag + "] " + message);
+        }
+    }
+}