Updated inventory checker and added server resource pack requirement

src/main/java/dev/keii/keiicore/KeiiCore.java

···
         pm.registerEvents(new PlayerMove(), this);
         pm.registerEvents(new EntityExplode(), this);
         pm.registerEvents(new PlayerChat(), this);
+        pm.registerEvents(new PlayerResourcePack(), this);
     }
 
     public void registerCommands() {

src/main/java/dev/keii/keiicore/events/InventoryClick.java

···
 import dev.keii.keiicore.inventories.InventoryModifyChunkPermission;
 import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.format.NamedTextColor;
+import org.bukkit.Bukkit;
 import org.bukkit.Chunk;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.inventory.InventoryClickEvent;
+import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.InventoryHolder;
 import org.joml.Vector2i;
 
···
     @EventHandler
     public void onInventoryClick(InventoryClickEvent event)
     {
-        InventoryHolder holder = Objects.requireNonNull(event.getClickedInventory()).getHolder();
+        Inventory inventory = event.getInventory();
 
-        if(holder instanceof InventoryMap) {
+        if(inventory.getHolder() instanceof InventoryMap) {
             event.setCancelled(true);
             Player player = (Player)event.getWhoClicked();
 
···
                 InventoryMap map = new InventoryMap(player);
                 player.openInventory(map.getInventory());
             }
-        } else if(holder instanceof InventoryModifyChunk) {
+        } else if(inventory.getHolder() instanceof InventoryModifyChunk) {
             event.setCancelled(true);
 
             int slot = event.getSlot();
···
                 player.openInventory(cp.getInventory());
             }
 
-        } else if(holder instanceof InventoryChunkPermission)
+        } else if(inventory.getHolder() instanceof InventoryChunkPermission)
         {
             event.setCancelled(true);
 
···
                 player.sendMessage(Component.text("Type name of player you wish to add permissions for in chat!").color(NamedTextColor.YELLOW));
                 player.closeInventory();
             }
-        } else if(holder instanceof InventoryModifyChunkPermission)
+        } else if(inventory.getHolder() instanceof InventoryModifyChunkPermission)
         {
             event.setCancelled(true);
 

src/main/java/dev/keii/keiicore/events/PlayerResourcePack.java

···
+package dev.keii.keiicore.events;
+
+import dev.keii.keiicore.PlayerChunk;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerMoveEvent;
+import org.bukkit.event.player.PlayerResourcePackStatusEvent;
+
+public class PlayerResourcePack implements Listener {
+    @EventHandler
+    public void onPlayerUpdateServerResourcePack(PlayerResourcePackStatusEvent event)
+    {
+        Player player = event.getPlayer();
+        if(event.getStatus() == PlayerResourcePackStatusEvent.Status.DECLINED)
+        {
+            player.kick(Component.text("You must accept the server resource pack!\n").color(NamedTextColor.RED));
+        } else if(event.getStatus() == PlayerResourcePackStatusEvent.Status.FAILED_DOWNLOAD)
+        {
+            player.kick(Component.text("Server resource pack download failed!\n").color(NamedTextColor.RED));
+        }
+    }
+}

src/main/java/dev/keii/keiicore/inventories/InventoryChunkPermission.java

···
     @Override
     public @NotNull Inventory getInventory()
     {
-        Inventory inventory = Bukkit.createInventory(null, 27, Name);
+        Inventory inventory = Bukkit.createInventory(this, 27, Name);
 
         try {
             Connection connection = DatabaseConnector.getConnection();
···
                 }
 
                 meta.displayName(Component.text(username).color(NamedTextColor.YELLOW));
-                List<Component> lore =  getChunkPermissions(claimPermissionEveryoneResultSet);
+                List<Component> lore = getChunkPermissions(claimPermissionResultSet);
                 lore.add(Component.text("User: " + claimPermissionResultSet.getInt("user_id")));
                 meta.setCustomModelData(1001);
                 meta.lore(lore);

src/main/java/dev/keii/keiicore/inventories/InventoryMap.java

···
         this.player = player;
     }
 
-    public static final Component Name = Component.text("\uF809\uEff3\uF80B\uF80B\uF80A\uF809\uF806").color(NamedTextColor.WHITE);
+    public static final String Name = "\uF809\uEff3\uF80B\uF80B\uF80A\uF809\uF806";
 
     public char getLetterOfBiome(Block block)
     {
-        if(block.getType() == Material.WATER || block.getType() == Material.ICE || block.getType() == Material.PACKED_ICE) {
+        Material highestBlockType = block.getWorld().getBlockAt(block.getX(), block.getWorld().getHighestBlockYAt(block.getLocation()), block.getZ()).getType();
+        if(highestBlockType == Material.WATER || highestBlockType == Material.ICE || highestBlockType == Material.PACKED_ICE) {
             return 'w';
-        } else if(block.getType() == Material.SAND) {
+        } else if(highestBlockType == Material.SAND) {
             return 's';
         }
 
···
 
         Vector2i claimPower = getClaimPower();
 
-        Inventory mapInventory = Bukkit.createInventory(null, 54, Component.text(Name + getDirectionMarker()).append(Component.text(" Power " + claimPower.x + "/" + claimPower.y).color(NamedTextColor.BLACK)));
+        Inventory mapInventory = Bukkit.createInventory(this, 54, Component.text(Name + getDirectionMarker()).color(NamedTextColor.WHITE).append(Component.text(" Power " + claimPower.x + "/" + claimPower.y).color(NamedTextColor.BLACK)));
 
         for(int i = 0; i < 54; i++)
         {

src/main/java/dev/keii/keiicore/inventories/InventoryModifyChunk.java

···
     @NotNull
     public Inventory getInventory()
     {
-        Inventory inventory = Bukkit.createInventory(null, 27, Name);
+        Inventory inventory = Bukkit.createInventory(this, 27, Name);
 
         for(int i = 0; i < 27; i++)
         {

src/main/java/dev/keii/keiicore/inventories/InventoryModifyChunkPermission.java

···
     @Override
     public @NotNull Inventory getInventory()
     {
-        Inventory inventory = Bukkit.createInventory(null, 27, Name.append(Component.text(Name + (uuid != null ? User.getNicknameFromUUID(uuid) : "Everyone") + "'s permissions").color(NamedTextColor.DARK_GRAY)));
+        Inventory inventory = Bukkit.createInventory(this, 27, Name.append(Component.text((uuid != null ? User.getNicknameFromUUID(uuid) : "Everyone") + "'s permissions").color(NamedTextColor.DARK_GRAY)));
 
         if(uuid != null) {
             Bukkit.getConsoleSender().sendMessage(Component.text(uuid));