Fixed StaticOptionalConfig

build.gradle

@@ -45,6 +45,9 @@ allprojects {
 
         // NoCheatPlus
         maven { url 'https://repo.md-5.net/content/repositories/snapshots/' }
+
+        // CombatLogX
+        maven { url 'https://nexus.sirblobman.xyz/repository/public/' }
     }
 
     dependencies {

eco-core/core-nms/v1_15_R1/src/main/java/com/willfp/eco/proxy/v1_15_R1/VillagerTrade.java

@@ -19,7 +19,7 @@ public final class VillagerTrade implements VillagerTradeProxy {
             fResult.setAccessible(true);
 
             ItemStack result = merchantRecipe.getResult();
-            Display.display(result);
+            Display.displayAndFinalize(result);
             fResult.set(merchantRecipe, result);
 
             // Get NMS MerchantRecipe from CraftMerchantRecipe
@@ -31,7 +31,7 @@ public final class VillagerTrade implements VillagerTradeProxy {
             fSelling.setAccessible(true);
 
             ItemStack selling = CraftItemStack.asBukkitCopy(handle.sellingItem);
-            Display.display(selling);
+            Display.displayAndFinalize(selling);
             fSelling.set(handle, CraftItemStack.asNMSCopy(selling));
         } catch (IllegalAccessException | NoSuchFieldException e) {
             e.printStackTrace();

eco-core/core-nms/v1_16_R1/src/main/java/com/willfp/eco/proxy/v1_16_R1/VillagerTrade.java

@@ -18,7 +18,7 @@ public final class VillagerTrade implements VillagerTradeProxy {
             Field fResult = MerchantRecipe.class.getDeclaredField("result");
             fResult.setAccessible(true);
             ItemStack result = merchantRecipe.getResult();
-            Display.display(result);
+            Display.displayAndFinalize(result);
             fResult.set(merchantRecipe, result);
 
             // Get NMS MerchantRecipe from CraftMerchantRecipe
@@ -30,7 +30,7 @@ public final class VillagerTrade implements VillagerTradeProxy {
             fSelling.setAccessible(true);
 
             ItemStack selling = CraftItemStack.asBukkitCopy(handle.sellingItem);
-            Display.display(selling);
+            Display.displayAndFinalize(selling);
 
             fSelling.set(handle, CraftItemStack.asNMSCopy(selling));
         } catch (IllegalAccessException | NoSuchFieldException e) {

eco-core/core-nms/v1_16_R2/src/main/java/com/willfp/eco/proxy/v1_16_R2/VillagerTrade.java

@@ -18,7 +18,7 @@ public final class VillagerTrade implements VillagerTradeProxy {
             Field fResult = MerchantRecipe.class.getDeclaredField("result");
             fResult.setAccessible(true);
             ItemStack result = merchantRecipe.getResult();
-            Display.display(result);
+            Display.displayAndFinalize(result);
             fResult.set(merchantRecipe, result);
 
             // Get NMS MerchantRecipe from CraftMerchantRecipe
@@ -30,7 +30,7 @@ public final class VillagerTrade implements VillagerTradeProxy {
             fSelling.setAccessible(true);
 
             ItemStack selling = CraftItemStack.asBukkitCopy(handle.sellingItem);
-            Display.display(selling);
+            Display.displayAndFinalize(selling);
 
             fSelling.set(handle, CraftItemStack.asNMSCopy(selling));
         } catch (IllegalAccessException | NoSuchFieldException e) {

eco-core/core-nms/v1_16_R3/src/main/java/com/willfp/eco/proxy/v1_16_R3/VillagerTrade.java

@@ -18,7 +18,7 @@ public final class VillagerTrade implements VillagerTradeProxy {
             Field fResult = MerchantRecipe.class.getDeclaredField("result");
             fResult.setAccessible(true);
             ItemStack result = merchantRecipe.getResult();
-            Display.display(result);
+            Display.displayAndFinalize(result);
             fResult.set(merchantRecipe, result);
 
             // Get NMS MerchantRecipe from CraftMerchantRecipe
@@ -30,7 +30,7 @@ public final class VillagerTrade implements VillagerTradeProxy {
             fSelling.setAccessible(true);
 
             ItemStack selling = CraftItemStack.asBukkitCopy(handle.sellingItem);
-            Display.display(selling);
+            Display.displayAndFinalize(selling);
 
             fSelling.set(handle, CraftItemStack.asNMSCopy(selling));
         } catch (IllegalAccessException | NoSuchFieldException e) {

eco-core/core-plugin/src/main/java/com/willfp/eco/spigot/EcoPlugin.java

@@ -16,19 +16,23 @@ import com.willfp.eco.spigot.eventlisteners.NaturalExpGainListeners;
 import com.willfp.eco.spigot.integrations.anticheat.AnticheatAAC;
 import com.willfp.eco.spigot.integrations.anticheat.AnticheatMatrix;
 import com.willfp.eco.spigot.integrations.anticheat.AnticheatNCP;
+import com.willfp.eco.spigot.integrations.antigrief.AntigriefCombatLogX;
 import com.willfp.eco.spigot.integrations.antigrief.AntigriefFactionsUUID;
 import com.willfp.eco.spigot.integrations.antigrief.AntigriefGriefPrevention;
 import com.willfp.eco.spigot.integrations.antigrief.AntigriefKingdoms;
 import com.willfp.eco.spigot.integrations.antigrief.AntigriefLands;
 import com.willfp.eco.spigot.integrations.antigrief.AntigriefTowny;
+import com.willfp.eco.spigot.integrations.antigrief.AntigriefUltimateLands;
 import com.willfp.eco.spigot.integrations.antigrief.AntigriefWorldGuard;
 import com.willfp.eco.spigot.integrations.mcmmo.McmmoIntegrationImpl;
+import com.willfp.eco.spigot.recipes.RecipeListener;
 import com.willfp.eco.util.BlockUtils;
 import com.willfp.eco.util.PlayerUtils;
 import com.willfp.eco.util.SkullUtils;
 import com.willfp.eco.util.TridentUtils;
 import com.willfp.eco.util.command.AbstractCommand;
 import com.willfp.eco.util.display.Display;
+import com.willfp.eco.util.display.DisplayModule;
 import com.willfp.eco.util.events.armorequip.ArmorListener;
 import com.willfp.eco.util.events.armorequip.DispenserArmorListener;
 import com.willfp.eco.util.integrations.IntegrationLoader;
@@ -39,6 +43,7 @@ import com.willfp.eco.util.plugin.AbstractEcoPlugin;
 import com.willfp.eco.util.protocollib.AbstractPacketAdapter;
 import lombok.Getter;
 import org.bukkit.event.Listener;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -71,6 +76,7 @@ public class EcoPlugin extends AbstractEcoPlugin {
         this.getEventManager().registerListener(new ArmorListener());
         this.getEventManager().registerListener(new DispenserArmorListener());
         this.getEventManager().registerListener(new EntityDeathByEntityListeners(this));
+        this.getEventManager().registerListener(new RecipeListener());
     }
 
     @Override
@@ -103,6 +109,8 @@ public class EcoPlugin extends AbstractEcoPlugin {
                 new IntegrationLoader("Towny", () -> AntigriefManager.register(new AntigriefTowny())),
                 new IntegrationLoader("Lands", () -> AntigriefManager.register(new AntigriefLands(this))),
                 new IntegrationLoader("Kingdoms", () -> AntigriefManager.register(new AntigriefKingdoms())),
+                new IntegrationLoader("ULands", () -> AntigriefManager.register(new AntigriefUltimateLands())),
+                new IntegrationLoader("CombatLogX", () -> AntigriefManager.register(new AntigriefCombatLogX())),
 
                 // Anticheat
                 new IntegrationLoader("AAC5", () -> AnticheatManager.register(this, new AnticheatAAC())),
@@ -140,4 +148,10 @@ public class EcoPlugin extends AbstractEcoPlugin {
     public List<Class<?>> getUpdatableClasses() {
         return new ArrayList<>();
     }
+
+    @Override
+    @Nullable
+    protected DisplayModule createDisplayModule() {
+        return null;
+    }
 }

eco-core/core-plugin/src/main/java/com/willfp/eco/spigot/integrations/anticheat/AnticheatNCP.java

@@ -23,7 +23,7 @@ public class AnticheatNCP implements AnticheatWrapper {
 
     @Override
     public void exempt(@NotNull final Player player) {
-        if (!NCPExemptionManager.isExempted(player, CheckType.ALL)) {
+        if (NCPExemptionManager.isExempted(player, CheckType.ALL)) {
             return;
         }
 

eco-core/core-plugin/src/main/java/com/willfp/eco/spigot/integrations/antigrief/AntigriefCombatLogX.java

@@ -0,0 +1,76 @@
+package com.willfp.eco.spigot.integrations.antigrief;
+
+import com.SirBlobman.combatlogx.api.ICombatLogX;
+import com.SirBlobman.combatlogx.api.expansion.Expansion;
+import com.SirBlobman.combatlogx.expansion.newbie.helper.NewbieHelper;
+import com.SirBlobman.combatlogx.expansion.newbie.helper.listener.ListenerPVP;
+import com.willfp.eco.spigot.EcoPlugin;
+import com.willfp.eco.util.integrations.antigrief.AntigriefWrapper;
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.block.Block;
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
+
+public class AntigriefCombatLogX implements AntigriefWrapper {
+    /**
+     * Instance of CombatLogX.
+     */
+    private final ICombatLogX instance = (ICombatLogX) Bukkit.getPluginManager().getPlugin("CombatLogX");
+
+    /**
+     * PVPManager for CombatLogX NewbieHelper.
+     */
+    private ListenerPVP pvp = null;
+
+    /**
+     * Create new CombatLogX antigrief.
+     */
+    public AntigriefCombatLogX() {
+        assert instance != null;
+        EcoPlugin.getInstance().getScheduler().runLater(() -> {
+            Expansion expansionUncast = instance.getExpansionManager().getExpansionByName("NewbieHelper").orElse(null);
+            if (expansionUncast instanceof NewbieHelper) {
+                pvp = ((NewbieHelper) expansionUncast).getPVPListener();
+            }
+        }, 3);
+    }
+
+    @Override
+    public boolean canBreakBlock(@NotNull final Player player,
+                                 @NotNull final Block block) {
+        return true;
+    }
+
+    @Override
+    public boolean canCreateExplosion(@NotNull final Player player,
+                                      @NotNull final Location location) {
+        return true;
+    }
+
+    @Override
+    public boolean canPlaceBlock(@NotNull final Player player,
+                                 @NotNull final Block block) {
+        return true;
+    }
+
+    @Override
+    public boolean canInjure(@NotNull final Player player,
+                             @NotNull final LivingEntity victim) {
+        if (!(victim instanceof Player)) {
+            return true;
+        }
+
+        if (pvp == null) {
+            return true;
+        }
+
+        return (pvp.isPVPEnabled(player) && pvp.isPVPEnabled((Player) victim));
+    }
+
+    @Override
+    public String getPluginName() {
+        return "CombatLogX";
+    }
+}

eco-core/core-plugin/src/main/java/com/willfp/eco/spigot/integrations/antigrief/AntigriefTowny.java

@@ -1,7 +1,10 @@
 package com.willfp.eco.spigot.integrations.antigrief;
 
+import com.palmergames.bukkit.towny.TownyAPI;
+import com.palmergames.bukkit.towny.TownyUniverse;
 import com.palmergames.bukkit.towny.object.Town;
 import com.palmergames.bukkit.towny.object.TownyPermission;
+import com.palmergames.bukkit.towny.object.TownyWorld;
 import com.palmergames.bukkit.towny.object.WorldCoord;
 import com.palmergames.bukkit.towny.utils.PlayerCacheUtil;
 import com.willfp.eco.util.integrations.antigrief.AntigriefWrapper;
@@ -16,24 +19,57 @@ public class AntigriefTowny implements AntigriefWrapper {
     @Override
     public boolean canBreakBlock(@NotNull final Player player,
                                  @NotNull final Block block) {
-        return PlayerCacheUtil.getCachePermission(player, block.getLocation(), block.getType(), TownyPermission.ActionType.DESTROY);
+        TownyWorld world = TownyUniverse.getInstance().getWorldMap().get(block.getLocation().getWorld().getName());
+        if (world == null) {
+            return true;
+        }
+        if (TownyAPI.getInstance().isWilderness(block)) {
+            return true;
+        }
+        return PlayerCacheUtil.getCachePermission(player, block.getLocation(), block.getType(), TownyPermission.ActionType.DESTROY)
+                || PlayerCacheUtil.getCachePermission(player, block.getLocation(), block.getType(), TownyPermission.ActionType.BUILD);
     }
 
     @Override
     public boolean canCreateExplosion(@NotNull final Player player,
                                       @NotNull final Location location) {
+        TownyWorld world = TownyUniverse.getInstance().getWorldMap().get(location.getWorld().getName());
+        if (world == null) {
+            return true;
+        }
+        if (TownyAPI.getInstance().isWilderness(location)) {
+            return true;
+        }
         return PlayerCacheUtil.getCachePermission(player, location, Material.TNT, TownyPermission.ActionType.ITEM_USE);
     }
 
     @Override
     public boolean canPlaceBlock(@NotNull final Player player,
                                  @NotNull final Block block) {
+        TownyWorld world = TownyUniverse.getInstance().getWorldMap().get(block.getLocation().getWorld().getName());
+        if (world == null) {
+            return true;
+        }
+        if (TownyAPI.getInstance().isWilderness(block)) {
+            return true;
+        }
         return PlayerCacheUtil.getCachePermission(player, block.getLocation(), block.getType(), TownyPermission.ActionType.BUILD);
     }
 
     @Override
     public boolean canInjure(@NotNull final Player player,
                              @NotNull final LivingEntity victim) {
+        TownyWorld world = TownyUniverse.getInstance().getWorldMap().get(victim.getLocation().getWorld().getName());
+        if (world == null) {
+            return true;
+        }
+        if (TownyAPI.getInstance().isWilderness(victim.getLocation())) {
+            if (victim instanceof Player) {
+                return world.isPVP();
+            } else {
+                return true;
+            }
+        }
         if (victim instanceof Player) {
             try {
                 Town town = WorldCoord.parseWorldCoord(victim.getLocation()).getTownBlock().getTown();

eco-core/core-plugin/src/main/java/com/willfp/eco/spigot/integrations/antigrief/AntigriefUltimateLands.java

@@ -0,0 +1,40 @@
+package com.willfp.eco.spigot.integrations.antigrief;
+
+import com.willfp.eco.util.integrations.antigrief.AntigriefWrapper;
+import me.ulrich.lands.api.LandsAPI;
+import org.bukkit.Location;
+import org.bukkit.block.Block;
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
+
+public class AntigriefUltimateLands implements AntigriefWrapper {
+    @Override
+    public boolean canBreakBlock(@NotNull final Player player,
+                                 @NotNull final Block block) {
+        return LandsAPI.getInstance().isOwnerOfChunk(player.getName(), block.getChunk()) || LandsAPI.getInstance().isMemberOfChunk(block.getChunk(), player);
+    }
+
+    @Override
+    public boolean canCreateExplosion(@NotNull final Player player,
+                                      @NotNull final Location location) {
+        return LandsAPI.getInstance().isOwnerOfChunk(player.getName(), location.getChunk()) || LandsAPI.getInstance().isMemberOfChunk(location.getChunk(), player);
+    }
+
+    @Override
+    public boolean canPlaceBlock(@NotNull final Player player,
+                                 @NotNull final Block block) {
+        return LandsAPI.getInstance().isOwnerOfChunk(player.getName(), block.getChunk()) || LandsAPI.getInstance().isMemberOfChunk(block.getChunk(), player);
+    }
+
+    @Override
+    public boolean canInjure(@NotNull final Player player,
+                             @NotNull final LivingEntity victim) {
+        return LandsAPI.getInstance().isOwnerOfChunk(player.getName(), victim.getLocation().getChunk()) || LandsAPI.getInstance().isMemberOfChunk(victim.getLocation().getChunk(), player);
+    }
+
+    @Override
+    public String getPluginName() {
+        return "ULands";
+    }
+}

eco-core/core-plugin/src/main/java/com/willfp/eco/spigot/integrations/antigrief/AntigriefWorldGuard.java

@@ -5,7 +5,6 @@ import com.sk89q.worldguard.LocalPlayer;
 import com.sk89q.worldguard.WorldGuard;
 import com.sk89q.worldguard.bukkit.WorldGuardPlugin;
 import com.sk89q.worldguard.protection.flags.Flags;
-import com.sk89q.worldguard.protection.flags.StateFlag;
 import com.sk89q.worldguard.protection.regions.RegionContainer;
 import com.sk89q.worldguard.protection.regions.RegionQuery;
 import com.willfp.eco.util.integrations.antigrief.AntigriefWrapper;
@@ -25,7 +24,7 @@ public class AntigriefWorldGuard implements AntigriefWrapper {
         RegionContainer container = WorldGuard.getInstance().getPlatform().getRegionContainer();
         RegionQuery query = container.createQuery();
 
-        if (query.queryState(BukkitAdapter.adapt(block.getLocation()), localPlayer, Flags.BUILD) == StateFlag.State.DENY) {
+        if (!query.testBuild(BukkitAdapter.adapt(block.getLocation()), localPlayer, Flags.BLOCK_BREAK)) {
             return WorldGuard.getInstance().getPlatform().getSessionManager().hasBypass(localPlayer, BukkitAdapter.adapt(block.getWorld()));
         }
         return true;
@@ -40,7 +39,7 @@ public class AntigriefWorldGuard implements AntigriefWrapper {
         World world = location.getWorld();
         Validate.notNull(world, "World cannot be null!");
 
-        if (query.queryState(BukkitAdapter.adapt(location), localPlayer, Flags.OTHER_EXPLOSION) == StateFlag.State.DENY) {
+        if (!query.testBuild(BukkitAdapter.adapt(location), localPlayer, Flags.TNT)) {
             return WorldGuard.getInstance().getPlatform().getSessionManager().hasBypass(localPlayer, BukkitAdapter.adapt(world));
         }
         return true;
@@ -53,7 +52,7 @@ public class AntigriefWorldGuard implements AntigriefWrapper {
         RegionContainer container = WorldGuard.getInstance().getPlatform().getRegionContainer();
         RegionQuery query = container.createQuery();
 
-        if (query.queryState(BukkitAdapter.adapt(block.getLocation()), localPlayer, Flags.BLOCK_PLACE) == StateFlag.State.DENY) {
+        if (!query.testBuild(BukkitAdapter.adapt(block.getLocation()), localPlayer, Flags.BLOCK_PLACE)) {
             return WorldGuard.getInstance().getPlatform().getSessionManager().hasBypass(localPlayer, BukkitAdapter.adapt(block.getWorld()));
         }
         return true;
@@ -67,11 +66,11 @@ public class AntigriefWorldGuard implements AntigriefWrapper {
         RegionQuery query = container.createQuery();
 
         if (victim instanceof Player) {
-            if (query.queryState(BukkitAdapter.adapt(victim.getLocation()), localPlayer, Flags.PVP) == StateFlag.State.DENY) {
+            if (!query.testBuild(BukkitAdapter.adapt(victim.getLocation()), localPlayer, Flags.PVP)) {
                 return WorldGuard.getInstance().getPlatform().getSessionManager().hasBypass(localPlayer, BukkitAdapter.adapt(player.getWorld()));
             }
         } else {
-            if (query.queryState(BukkitAdapter.adapt(victim.getLocation()), localPlayer, Flags.DAMAGE_ANIMALS) == StateFlag.State.DENY) {
+            if (!query.testBuild(BukkitAdapter.adapt(victim.getLocation()), localPlayer, Flags.DAMAGE_ANIMALS)) {
                 return WorldGuard.getInstance().getPlatform().getSessionManager().hasBypass(localPlayer, BukkitAdapter.adapt(player.getWorld()));
             }
         }

eco-core/core-plugin/src/main/java/com/willfp/eco/spigot/integrations/mcmmo/McmmoIntegrationImpl.java

@@ -3,14 +3,33 @@ package com.willfp.eco.spigot.integrations.mcmmo;
 import com.gmail.nossr50.datatypes.meta.BonusDropMeta;
 import com.gmail.nossr50.events.fake.FakeEvent;
 import com.gmail.nossr50.mcMMO;
+import com.willfp.eco.util.ClassUtils;
 import com.willfp.eco.util.integrations.mcmmo.McmmoWrapper;
 import org.bukkit.block.Block;
 import org.bukkit.event.Event;
 import org.jetbrains.annotations.NotNull;
 
 public class McmmoIntegrationImpl implements McmmoWrapper {
+    /**
+     * Disabled if mcmmo is outdated or missing classes.
+     */
+    boolean disabled = false;
+
+    /**
+     * Initialize mcMMO integration.
+     */
+    public McmmoIntegrationImpl() {
+        if (!ClassUtils.exists("com.gmail.nossr50.events.fake.FakeEvent")) {
+            disabled = true;
+        }
+    }
+
     @Override
     public int getBonusDropCount(@NotNull final Block block) {
+        if (disabled) {
+            return 0;
+        }
+
         if (block.getMetadata(mcMMO.BONUS_DROPS_METAKEY).size() > 0) {
             BonusDropMeta bonusDropMeta = (BonusDropMeta) block.getMetadata(mcMMO.BONUS_DROPS_METAKEY).get(0);
             return bonusDropMeta.asInt();
@@ -21,6 +40,10 @@ public class McmmoIntegrationImpl implements McmmoWrapper {
 
     @Override
     public boolean isFake(@NotNull final Event event) {
+        if (disabled) {
+            return false;
+        }
+
         return event instanceof FakeEvent;
     }
 }

eco-core/core-plugin/src/main/java/com/willfp/eco/spigot/recipes/RecipeListener.java

@@ -0,0 +1,220 @@
+package com.willfp.eco.spigot.recipes;
+
+import com.willfp.eco.util.plugin.AbstractEcoPlugin;
+import com.willfp.eco.util.recipe.RecipeParts;
+import com.willfp.eco.util.recipe.Recipes;
+import com.willfp.eco.util.recipe.parts.RecipePart;
+import com.willfp.eco.util.recipe.parts.SimpleRecipePart;
+import com.willfp.eco.util.recipe.recipes.EcoShapedRecipe;
+import org.bukkit.Material;
+import org.bukkit.event.Event;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.inventory.CraftItemEvent;
+import org.bukkit.event.inventory.PrepareItemCraftEvent;
+import org.bukkit.event.player.PlayerRecipeDiscoverEvent;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.ShapedRecipe;
+import org.jetbrains.annotations.NotNull;
+
+public class RecipeListener implements Listener {
+    /**
+     * Called on item craft.
+     *
+     * @param event The event to listen for.
+     */
+    @EventHandler
+    public void complexRecipeListener(@NotNull final PrepareItemCraftEvent event) {
+        if (!(event.getRecipe() instanceof ShapedRecipe)) {
+            return;
+        }
+
+        ShapedRecipe recipe = (ShapedRecipe) event.getRecipe();
+
+        if (!AbstractEcoPlugin.LOADED_ECO_PLUGINS.contains(recipe.getKey().getNamespace())) {
+            return;
+        }
+
+        ItemStack[] matrix = event.getInventory().getMatrix();
+        EcoShapedRecipe matched = Recipes.getMatch(matrix);
+
+        if (matched == null) {
+            event.getInventory().setResult(new ItemStack(Material.AIR));
+            return;
+        }
+
+        if (matched.test(matrix)) {
+            event.getInventory().setResult(matched.getOutput());
+        } else {
+            event.getInventory().setResult(new ItemStack(Material.AIR));
+        }
+    }
+
+    /**
+     * Called on item craft.
+     *
+     * @param event The event to listen for.
+     */
+    @EventHandler
+    public void complexRecipeListener(@NotNull final CraftItemEvent event) {
+        if (!(event.getRecipe() instanceof ShapedRecipe)) {
+            return;
+        }
+
+        ShapedRecipe recipe = (ShapedRecipe) event.getRecipe();
+
+        if (!AbstractEcoPlugin.LOADED_ECO_PLUGINS.contains(recipe.getKey().getNamespace())) {
+            return;
+        }
+
+        ItemStack[] matrix = event.getInventory().getMatrix();
+        EcoShapedRecipe matched = Recipes.getMatch(matrix);
+
+        if (matched == null) {
+            event.getInventory().setResult(new ItemStack(Material.AIR));
+            event.setResult(Event.Result.DENY);
+            event.setCancelled(true);
+            return;
+        }
+
+        if (matched.test(matrix)) {
+            event.getInventory().setResult(matched.getOutput());
+        } else {
+            event.getInventory().setResult(new ItemStack(Material.AIR));
+            event.setResult(Event.Result.DENY);
+            event.setCancelled(true);
+        }
+    }
+
+    /**
+     * Called on item craft.
+     *
+     * @param event The event to listen for.
+     */
+    @EventHandler
+    public void preventUsingComplexPartInEcoRecipe(@NotNull final PrepareItemCraftEvent event) {
+        if (!(event.getRecipe() instanceof ShapedRecipe)) {
+            return;
+        }
+
+        ShapedRecipe recipe = (ShapedRecipe) event.getRecipe();
+
+        EcoShapedRecipe ecoShapedRecipe = Recipes.getShapedRecipe(recipe.getKey());
+
+        if (ecoShapedRecipe == null) {
+            return;
+        }
+
+        for (int i = 0; i < 9; i++) {
+            ItemStack itemStack = event.getInventory().getMatrix()[i];
+            RecipePart part = ecoShapedRecipe.getParts()[i];
+            if (part instanceof SimpleRecipePart) {
+                if (RecipeParts.isRecipePart(itemStack)) {
+                    event.getInventory().setResult(new ItemStack(Material.AIR));
+                    return;
+                }
+            }
+        }
+    }
+
+    /**
+     * Called on item craft.
+     *
+     * @param event The event to listen for.
+     */
+    @EventHandler
+    public void preventUsingComplexPartInEcoRecipe(@NotNull final CraftItemEvent event) {
+        if (!(event.getRecipe() instanceof ShapedRecipe)) {
+            return;
+        }
+
+        ShapedRecipe recipe = (ShapedRecipe) event.getRecipe();
+
+        EcoShapedRecipe ecoShapedRecipe = Recipes.getShapedRecipe(recipe.getKey());
+
+        if (ecoShapedRecipe == null) {
+            return;
+        }
+
+        for (int i = 0; i < 9; i++) {
+            ItemStack itemStack = event.getInventory().getMatrix()[i];
+            RecipePart part = ecoShapedRecipe.getParts()[i];
+            if (part instanceof SimpleRecipePart) {
+                if (RecipeParts.isRecipePart(itemStack)) {
+                    event.getInventory().setResult(new ItemStack(Material.AIR));
+                    event.setResult(Event.Result.DENY);
+                    event.setCancelled(true);
+                    return;
+                }
+            }
+        }
+    }
+
+    /**
+     * Prevents using talismans in recipes.
+     *
+     * @param event The event to listen for.
+     */
+    @EventHandler
+    public void preventUsingComplexPartInVanillaRecipe(@NotNull final PrepareItemCraftEvent event) {
+        if (!(event.getRecipe() instanceof ShapedRecipe)) {
+            return;
+        }
+
+        ShapedRecipe recipe = (ShapedRecipe) event.getRecipe();
+
+        if (AbstractEcoPlugin.LOADED_ECO_PLUGINS.contains(recipe.getKey().getNamespace())) {
+            return;
+        }
+
+        for (ItemStack itemStack : event.getInventory().getMatrix()) {
+            if (RecipeParts.isRecipePart(itemStack)) {
+                event.getInventory().setResult(new ItemStack(Material.AIR));
+                return;
+            }
+        }
+    }
+
+    /**
+     * Prevents using talismans in recipes.
+     *
+     * @param event The event to listen for.
+     */
+    @EventHandler
+    public void preventUsingComplexPartInVanillaRecipe(@NotNull final CraftItemEvent event) {
+        if (!(event.getRecipe() instanceof ShapedRecipe)) {
+            return;
+        }
+
+        ShapedRecipe recipe = (ShapedRecipe) event.getRecipe();
+
+        if (AbstractEcoPlugin.LOADED_ECO_PLUGINS.contains(recipe.getKey().getNamespace())) {
+            return;
+        }
+
+        for (ItemStack itemStack : event.getInventory().getMatrix()) {
+            if (RecipeParts.isRecipePart(itemStack)) {
+                event.getInventory().setResult(new ItemStack(Material.AIR));
+                event.setResult(Event.Result.DENY);
+                event.setCancelled(true);
+                return;
+            }
+        }
+    }
+
+    /**
+     * Prevents learning displayed recipes.
+     *
+     * @param event The event to listen for.
+     */
+    @EventHandler
+    public void preventLearningDisplayedRecipes(@NotNull final PlayerRecipeDiscoverEvent event) {
+        if (!AbstractEcoPlugin.LOADED_ECO_PLUGINS.contains(event.getRecipe().getNamespace())) {
+            return;
+        }
+
+        if (event.getRecipe().getKey().contains("_displayed")) {
+            event.setCancelled(true);
+        }
+    }
+}

eco-core/core-plugin/src/main/resources/plugin.yml

@@ -9,7 +9,7 @@ loadbefore:
   - Talismans
   - StatTrackers
   - EcoArmor
-  - Illusioner
+  - EcoBosses
 depend:
   - ProtocolLib
 softdepend:
@@ -24,4 +24,6 @@ softdepend:
   - Matrix
   - Spartan
   - PlaceholderAPI
-  - mcMMO
+  - mcMMO
+  - ULands
+  - CombatLogX

eco-util/src/main/java/com/willfp/eco/internal/arrows/ArrowDataListener.java

@@ -1,4 +1,4 @@
-package com.willfp.eco.util.arrows;
+package com.willfp.eco.internal.arrows;
 
 import com.willfp.eco.util.internal.PluginDependent;
 import com.willfp.eco.util.plugin.AbstractEcoPlugin;

eco-util/src/main/java/com/willfp/eco/internal/config/AbstractConfig.java

@@ -0,0 +1,148 @@
+package com.willfp.eco.internal.config;
+
+import com.willfp.eco.util.plugin.AbstractEcoPlugin;
+import lombok.AccessLevel;
+import lombok.Getter;
+import org.bukkit.configuration.InvalidConfigurationException;
+import org.bukkit.configuration.file.YamlConfiguration;
+import org.jetbrains.annotations.NotNull;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.nio.charset.StandardCharsets;
+
+public abstract class AbstractConfig extends AbstractUndefinedConfig<YamlConfiguration> {
+    /**
+     * The physical config file, as stored on disk.
+     */
+    @Getter(AccessLevel.PROTECTED)
+    private final File configFile;
+
+    /**
+     * Plugin handle.
+     */
+    @Getter(AccessLevel.PROTECTED)
+    private final AbstractEcoPlugin plugin;
+
+    /**
+     * The full name of the config file (eg config.yml).
+     */
+    @Getter
+    private final String name;
+
+    /**
+     * The subdirectory path.
+     */
+    @Getter(AccessLevel.PROTECTED)
+    private final String subDirectoryPath;
+
+    /**
+     * The provider of the config.
+     */
+    @Getter(AccessLevel.PROTECTED)
+    private final Class<?> source;
+
+    /**
+     * Abstract config.
+     *
+     * @param configName       The name of the config
+     * @param plugin           The plugin.
+     * @param subDirectoryPath The subdirectory path.
+     * @param source           The class that owns the resource.
+     */
+    protected AbstractConfig(@NotNull final String configName,
+                             @NotNull final AbstractEcoPlugin plugin,
+                             @NotNull final String subDirectoryPath,
+                             @NotNull final Class<?> source) {
+        super(configName);
+        this.plugin = plugin;
+        this.name = configName + ".yml";
+        this.source = source;
+        this.subDirectoryPath = subDirectoryPath;
+
+        File directory = new File(this.getPlugin().getDataFolder(), subDirectoryPath);
+        if (!directory.exists()) {
+            directory.mkdirs();
+        }
+
+        if (!new File(directory, this.name).exists()) {
+            createFile();
+        }
+
+        this.configFile = new File(directory, this.name);
+        init(YamlConfiguration.loadConfiguration(configFile));
+    }
+
+    private void createFile() {
+        String resourcePath = getResourcePath();
+        InputStream in = source.getResourceAsStream(resourcePath);
+
+        File outFile = new File(this.getPlugin().getDataFolder(), resourcePath);
+        int lastIndex = resourcePath.lastIndexOf('/');
+        File outDir = new File(this.getPlugin().getDataFolder(), resourcePath.substring(0, Math.max(lastIndex, 0)));
+
+        if (!outDir.exists()) {
+            outDir.mkdirs();
+        }
+
+        try {
+            if (!outFile.exists()) {
+                OutputStream out = new FileOutputStream(outFile);
+                byte[] buf = new byte[1024];
+                int len;
+                while ((len = in.read(buf)) > 0) {
+                    out.write(buf, 0, len);
+                }
+                out.close();
+                in.close();
+            }
+        } catch (IOException ignored) {
+        }
+    }
+
+    /**
+     * Get resource path as relative to base directory.
+     *
+     * @return The resource path.
+     */
+    protected String getResourcePath() {
+        String resourcePath;
+
+        if (subDirectoryPath.isEmpty()) {
+            resourcePath = name;
+        } else {
+            resourcePath = subDirectoryPath + name;
+        }
+
+        return "/" + resourcePath;
+    }
+
+    /**
+     * Get YamlConfiguration as found in jar.
+     *
+     * @return The YamlConfiguration.
+     */
+    protected YamlConfiguration getConfigInJar() {
+        InputStream newIn = source.getResourceAsStream(getResourcePath());
+
+        if (newIn == null) {
+            throw new NullPointerException(name + " is null?");
+        }
+
+        BufferedReader reader = new BufferedReader(new InputStreamReader(newIn, StandardCharsets.UTF_8));
+        YamlConfiguration newConfig = new YamlConfiguration();
+
+        try {
+            newConfig.load(reader);
+        } catch (IOException | InvalidConfigurationException e) {
+            e.printStackTrace();
+        }
+
+        return newConfig;
+    }
+}

eco-util/src/main/java/com/willfp/eco/internal/config/AbstractUndefinedConfig.java

@@ -0,0 +1,323 @@
+package com.willfp.eco.internal.config;
+
+import com.willfp.eco.util.SerializationUtils;
+import com.willfp.eco.util.StringUtils;
+import com.willfp.eco.util.config.Config;
+import com.willfp.eco.util.serialization.EcoSerializable;
+import lombok.AccessLevel;
+import lombok.Getter;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.configuration.MemorySection;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+
+@SuppressWarnings({"unchecked", "unused", "DeprecatedIsStillUsed"})
+public abstract class AbstractUndefinedConfig<T extends ConfigurationSection> implements Config {
+    /**
+     * The linked {@link MemorySection} where values are physically stored.
+     */
+    @Getter(AccessLevel.PUBLIC)
+    protected T config = null;
+
+    /**
+     * Cached values for faster reading.
+     */
+    private final Map<String, Object> cache = new HashMap<>();
+
+    /**
+     * Abstract config.
+     *
+     * @param configName The name of the config
+     */
+    protected AbstractUndefinedConfig(@NotNull final String configName) {
+
+    }
+
+    protected Config init(@NotNull final T config) {
+        this.config = config;
+        return this;
+    }
+
+    @Override
+    public final void clearCache() {
+        cache.clear();
+    }
+
+    @Override
+    public boolean has(@NotNull final String path) {
+        return config.contains(path);
+    }
+
+    @NotNull
+    @Override
+    public List<String> getKeys(final boolean deep) {
+        return new ArrayList<>(config.getKeys(deep));
+    }
+
+    @Override
+    public void set(@NotNull final String path,
+                    @NotNull final EcoSerializable<?> object) {
+        Config serializedConfig = object.serialize();
+        for (String key : serializedConfig.getKeys(true)) {
+            Object raw = serializedConfig.getRaw(key);
+            config.set(path + "." + key, raw);
+            cache.put(path + "." + key, raw);
+        }
+    }
+
+    @Override
+    @Nullable
+    public Object getRaw(@NotNull final String path) {
+        return config.get(path);
+    }
+
+    @Override
+    @NotNull
+    public <T extends EcoSerializable<T>> T get(@NotNull final String path,
+                                                @NotNull final Class<T> clazz) {
+        T object = getOrNull(path, clazz);
+        if (object == null) {
+            throw new NullPointerException("Object cannot be null!");
+        } else {
+            return object;
+        }
+    }
+
+    @Override
+    @Nullable
+    public <T extends EcoSerializable<T>> T getOrNull(@NotNull final String path,
+                                                      @NotNull final Class<T> clazz) {
+        if (cache.containsKey(path)) {
+            return (T) cache.get(path);
+        } else {
+            Config section = getSubsectionOrNull(path);
+            if (section == null) {
+                return null;
+            }
+            cache.put(path, SerializationUtils.deserialize(section, clazz));
+            return getOrNull(path, clazz);
+        }
+    }
+
+    @Override
+    @NotNull
+    @Deprecated
+    public ConfigurationSection getSection(@NotNull final String path) {
+        ConfigurationSection section = getSectionOrNull(path);
+        if (section == null) {
+            throw new NullPointerException("Section cannot be null!");
+        } else {
+            return section;
+        }
+    }
+
+    @Override
+    @Nullable
+    @Deprecated
+    public ConfigurationSection getSectionOrNull(@NotNull final String path) {
+        if (cache.containsKey(path)) {
+            return (ConfigurationSection) cache.get(path);
+        } else {
+            cache.put(path, config.getConfigurationSection(path));
+            return getSectionOrNull(path);
+        }
+    }
+
+    @Override
+    @NotNull
+    public Config getSubsection(@NotNull final String path) {
+        return new ConfigSection(this.getSection(path));
+    }
+
+    @Override
+    @Nullable
+    public Config getSubsectionOrNull(@NotNull final String path) {
+        ConfigurationSection section = this.getSectionOrNull(path);
+        if (section == null) {
+            return null;
+        }
+        return new ConfigSection(section);
+    }
+
+    @Override
+    public int getInt(@NotNull final String path) {
+        if (cache.containsKey(path)) {
+            return (int) cache.get(path);
+        } else {
+            cache.put(path, config.getInt(path, 0));
+            return getInt(path);
+        }
+    }
+
+    @Override
+    @Nullable
+    public Integer getIntOrNull(@NotNull final String path) {
+        if (has(path)) {
+            return getInt(path);
+        } else {
+            return null;
+        }
+    }
+
+    @Override
+    public int getInt(@NotNull final String path,
+                      final int def) {
+        if (cache.containsKey(path)) {
+            return (int) cache.get(path);
+        } else {
+            cache.put(path, config.getInt(path, def));
+            return getInt(path);
+        }
+    }
+
+    @Override
+    @NotNull
+    public List<Integer> getInts(@NotNull final String path) {
+        if (cache.containsKey(path)) {
+            return (List<Integer>) cache.get(path);
+        } else {
+            cache.put(path, has(path) ? new ArrayList<>(config.getIntegerList(path)) : new ArrayList<>());
+            return getInts(path);
+        }
+    }
+
+    @Override
+    @Nullable
+    public List<Integer> getIntsOrNull(@NotNull final String path) {
+        if (has(path)) {
+            return getInts(path);
+        } else {
+            return null;
+        }
+    }
+
+    @Override
+    public boolean getBool(@NotNull final String path) {
+        if (cache.containsKey(path)) {
+            return (boolean) cache.get(path);
+        } else {
+            cache.put(path, config.getBoolean(path));
+            return getBool(path);
+        }
+    }
+
+    @Override
+    @Nullable
+    public Boolean getBoolOrNull(@NotNull final String path) {
+        if (has(path)) {
+            return getBool(path);
+        } else {
+            return null;
+        }
+    }
+
+    @Override
+    @NotNull
+    public List<Boolean> getBools(@NotNull final String path) {
+        if (cache.containsKey(path)) {
+            return (List<Boolean>) cache.get(path);
+        } else {
+            cache.put(path, has(path) ? new ArrayList<>(config.getBooleanList(path)) : new ArrayList<>());
+            return getBools(path);
+        }
+    }
+
+    @Override
+    @Nullable
+    public List<Boolean> getBoolsOrNull(@NotNull final String path) {
+        if (has(path)) {
+            return getBools(path);
+        } else {
+            return null;
+        }
+    }
+
+    @Override
+    @NotNull
+    public String getString(@NotNull final String path) {
+        if (cache.containsKey(path)) {
+            return (String) cache.get(path);
+        } else {
+            cache.put(path, StringUtils.translate(Objects.requireNonNull(config.getString(path, ""))));
+            return getString(path);
+        }
+    }
+
+    @Override
+    @Nullable
+    public String getStringOrNull(@NotNull final String path) {
+        if (has(path)) {
+            return getString(path);
+        } else {
+            return null;
+        }
+    }
+
+    @Override
+    @NotNull
+    public List<String> getStrings(@NotNull final String path) {
+        if (cache.containsKey(path)) {
+            return (List<String>) cache.get(path);
+        } else {
+            cache.put(path, has(path) ? new ArrayList<>(config.getStringList(path)) : new ArrayList<>());
+            return getStrings(path);
+        }
+    }
+
+    @Override
+    @Nullable
+    public List<String> getStringsOrNull(@NotNull final String path) {
+        if (has(path)) {
+            return getStrings(path);
+        } else {
+            return null;
+        }
+    }
+
+    @Override
+    public double getDouble(@NotNull final String path) {
+        if (cache.containsKey(path)) {
+            return (double) cache.get(path);
+        } else {
+            cache.put(path, config.getDouble(path));
+            return getDouble(path);
+        }
+    }
+
+    @Override
+    @Nullable
+    public Double getDoubleOrNull(@NotNull final String path) {
+        if (has(path)) {
+            return getDouble(path);
+        } else {
+            return null;
+        }
+    }
+
+    @Override
+    @NotNull
+    public List<Double> getDoubles(@NotNull final String path) {
+        if (cache.containsKey(path)) {
+            return (List<Double>) cache.get(path);
+        } else {
+            cache.put(path, has(path) ? new ArrayList<>(config.getDoubleList(path)) : new ArrayList<>());
+            return getDoubles(path);
+        }
+    }
+
+    @Override
+    @Nullable
+    public List<Double> getDoublesOrNull(@NotNull final String path) {
+        if (has(path)) {
+            return getDoubles(path);
+        } else {
+            return null;
+        }
+    }
+}

eco-util/src/main/java/com/willfp/eco/internal/config/AbstractUpdatableConfig.java

@@ -1,4 +1,4 @@
-package com.willfp.eco.util.config.internal;
+package com.willfp.eco.internal.config;
 
 import com.willfp.eco.util.plugin.AbstractEcoPlugin;
 import org.bukkit.configuration.InvalidConfigurationException;

eco-util/src/main/java/com/willfp/eco/internal/config/ConfigSection.java

@@ -0,0 +1,16 @@
+package com.willfp.eco.internal.config;
+
+import org.bukkit.configuration.ConfigurationSection;
+import org.jetbrains.annotations.NotNull;
+
+public class ConfigSection extends AbstractUndefinedConfig<ConfigurationSection> {
+    /**
+     * Config section.
+     *
+     * @param section    The section.
+     */
+    protected ConfigSection(@NotNull final ConfigurationSection section) {
+        super("subsection");
+        this.init(section);
+    }
+}

eco-util/src/main/java/com/willfp/eco/util/BlockUtils.java

@@ -6,6 +6,7 @@ import org.bukkit.Material;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 import org.bukkit.entity.Player;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.HashSet;
@@ -76,6 +77,7 @@ public class  BlockUtils {
      *
      * @param function The function.
      */
+    @ApiStatus.Internal
     public void initialize(@NotNull final BiConsumer<Player, Block> function) {
         Validate.isTrue(!initialized, "Already initialized!");
 

eco-util/src/main/java/com/willfp/eco/util/PlayerUtils.java

@@ -4,6 +4,7 @@ import com.willfp.eco.util.optional.Prerequisite;
 import lombok.experimental.UtilityClass;
 import org.apache.commons.lang.Validate;
 import org.bukkit.entity.Player;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.function.Function;
@@ -42,6 +43,7 @@ public class PlayerUtils {
      *
      * @param function The function.
      */
+    @ApiStatus.Internal
     public void initialize(@NotNull final Function<Player, Double> function) {
         Validate.isTrue(!initialized, "Already initialized!");
 

eco-util/src/main/java/com/willfp/eco/util/SerializationUtils.java

@@ -0,0 +1,49 @@
+package com.willfp.eco.util;
+
+import com.willfp.eco.util.config.Config;
+import com.willfp.eco.util.serialization.Deserializer;
+import com.willfp.eco.util.serialization.EcoSerializable;
+import com.willfp.eco.util.serialization.NoRegisteredDeserializerException;
+import lombok.SneakyThrows;
+import lombok.experimental.UtilityClass;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@UtilityClass
+public class SerializationUtils {
+    /**
+     * All registered deserializers.
+     */
+    private static final Map<String, Deserializer<?>> REGISTRY = new HashMap<>();
+
+    /**
+     * Register deserializer.
+     *
+     * @param clazz        The serializable class.
+     * @param deserializer The deserializer.
+     * @param <T>          The object type.
+     */
+    public <T extends EcoSerializable<T>> void registerDeserializer(@NotNull final Class<T> clazz,
+                                                                    @NotNull final Deserializer<T> deserializer) {
+        REGISTRY.put(clazz.getName(), deserializer);
+    }
+
+    /**
+     * Deserialize object.
+     *
+     * @param config The config.
+     * @param clazz  The class.
+     * @param <T>    The object type.
+     */
+    @SneakyThrows
+    public <T extends EcoSerializable<T>> T deserialize(@NotNull final Config config,
+                                                        @NotNull final Class<T> clazz) {
+        if (!REGISTRY.containsKey(clazz.getName())) {
+            throw new NoRegisteredDeserializerException("No deserializer registered for " + clazz.getName());
+        }
+
+        return clazz.cast(REGISTRY.get(clazz.getName()).deserialize(config));
+    }
+}

eco-util/src/main/java/com/willfp/eco/util/SkullUtils.java

@@ -3,6 +3,7 @@ package com.willfp.eco.util;
 import lombok.experimental.UtilityClass;
 import org.apache.commons.lang.Validate;
 import org.bukkit.inventory.meta.SkullMeta;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.function.BiConsumer;
@@ -38,6 +39,7 @@ public class SkullUtils {
      *
      * @param function The function.
      */
+    @ApiStatus.Internal
     public void initialize(@NotNull final BiConsumer<SkullMeta, String> function) {
         Validate.isTrue(!initialized, "Already initialized!");
 

eco-util/src/main/java/com/willfp/eco/util/StringUtils.java

@@ -30,6 +30,11 @@ public class StringUtils {
      */
     private static final Pattern HEX_PATTERN = Pattern.compile("&#" + "([A-Fa-f0-9]{6})" + "");
 
+    /**
+     * Regex for hex codes.
+     */
+    private static final Pattern ALT_HEX_PATTERN = Pattern.compile("\\{#" + "([A-Fa-f0-9]{6})" + "}");
+
     /**
      * Translate a string - converts Placeholders and Color codes.
      *
@@ -61,7 +66,22 @@ public class StringUtils {
     }
 
     private static String translateHexColorCodes(@NotNull final String message) {
-        Matcher matcher = HEX_PATTERN.matcher(message);
+        String processedMessage = message;
+        for (HexParseMode parseMode : HexParseMode.values()) {
+            processedMessage = translateHexColorCodes(processedMessage, parseMode);
+        }
+        return processedMessage;
+    }
+
+    private static String translateHexColorCodes(@NotNull final String message,
+                                                 @NotNull final HexParseMode mode) {
+        Matcher matcher;
+        if (mode == HexParseMode.CMI) {
+            matcher = ALT_HEX_PATTERN.matcher(message);
+        } else {
+            matcher = HEX_PATTERN.matcher(message);
+        }
+
         StringBuffer buffer = new StringBuffer(message.length() + 4 * 8);
         while (matcher.find()) {
             String group = matcher.group(1);
@@ -201,4 +221,9 @@ public class StringUtils {
         }
         return string;
     }
+
+    private enum HexParseMode {
+        CMI,
+        NORMAL
+    }
 }

eco-util/src/main/java/com/willfp/eco/util/TridentUtils.java

@@ -4,6 +4,7 @@ import lombok.experimental.UtilityClass;
 import org.apache.commons.lang.Validate;
 import org.bukkit.entity.Trident;
 import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.function.Function;
@@ -38,6 +39,7 @@ public class TridentUtils {
      *
      * @param function The function.
      */
+    @ApiStatus.Internal
     public void initialize(@NotNull final Function<Trident, ItemStack> function) {
         Validate.isTrue(!initialized, "Already initialized!");
 

eco-util/src/main/java/com/willfp/eco/util/bukkit/scheduling/TimedRunnable.java

@@ -0,0 +1,11 @@
+package com.willfp.eco.util.bukkit.scheduling;
+
+public interface TimedRunnable extends Runnable {
+    /**
+     * The TimedRunnable interface is generally used for repeating tasks.
+     * This method is to retrieve the ticks between repetitions.
+     *
+     * @return The ticks between repetitions.
+     */
+    long getTime();
+}

eco-util/src/main/java/com/willfp/eco/util/command/AbstractCommand.java

@@ -1,7 +1,6 @@
 package com.willfp.eco.util.command;
 
 import com.willfp.eco.util.internal.PluginDependent;
-import com.willfp.eco.util.interfaces.Registerable;
 import com.willfp.eco.util.plugin.AbstractEcoPlugin;
 import org.bukkit.Bukkit;
 import org.bukkit.command.Command;
@@ -15,7 +14,7 @@ import org.jetbrains.annotations.Nullable;
 import java.util.Arrays;
 import java.util.List;
 
-public abstract class AbstractCommand extends PluginDependent implements CommandExecutor, Registerable {
+public abstract class AbstractCommand extends PluginDependent implements CommandExecutor {
     /**
      * The name of the command
      * <p>
@@ -130,7 +129,6 @@ public abstract class AbstractCommand extends PluginDependent implements Command
      * <p>
      * Requires the command name to exist, defined in plugin.yml.
      */
-    @Override
     public final void register() {
         PluginCommand command = Bukkit.getPluginCommand(name);
         assert command != null;

eco-util/src/main/java/com/willfp/eco/util/config/BaseConfig.java

@@ -1,6 +1,6 @@
 package com.willfp.eco.util.config;
 
-import com.willfp.eco.util.config.internal.AbstractUpdatableConfig;
+import com.willfp.eco.internal.config.AbstractUpdatableConfig;
 import com.willfp.eco.util.plugin.AbstractEcoPlugin;
 import org.jetbrains.annotations.NotNull;
 

eco-util/src/main/java/com/willfp/eco/util/config/Config.java

@@ -0,0 +1,262 @@
+package com.willfp.eco.util.config;
+
+import com.willfp.eco.util.serialization.EcoSerializable;
+import org.bukkit.configuration.ConfigurationSection;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+
+public interface Config {
+    /**
+     * Clears cache.
+     */
+    void clearCache();
+
+    /**
+     * Get if the config contains a key.
+     *
+     * @param path The key to check.
+     * @return If contained.
+     */
+    boolean has(@NotNull String path);
+
+    /**
+     * Get config keys.
+     *
+     * @param deep If keys from subsections should be fetched too.
+     * @return A list of keys.
+     */
+    @NotNull
+    List<String> getKeys(boolean deep);
+
+    /**
+     * Set an object in config.
+     *
+     * @param path   The path.
+     * @param object The object.
+     */
+    void set(@NotNull String path,
+             @NotNull EcoSerializable<?> object);
+
+    /**
+     * Get an object from config.
+     * Default implementations call {@link org.bukkit.configuration.file.YamlConfiguration#get(String)}.
+     *
+     * @param path The path.
+     * @return The object.
+     */
+    @Nullable
+    Object getRaw(@NotNull String path);
+
+    /**
+     * Get an object from config.
+     *
+     * @param path  The path.
+     * @param clazz The class of the object.
+     * @param <T>   The type of the object.
+     * @return The object.
+     */
+    @NotNull <T extends EcoSerializable<T>> T get(@NotNull String path,
+                                                  @NotNull Class<T> clazz);
+
+    /**
+     * Get an object from config.
+     *
+     * @param path  The path.
+     * @param clazz The class of the object.
+     * @param <T>   The type of the object.
+     * @return The object, or null if not found.
+     */
+    @Nullable <T extends EcoSerializable<T>> T getOrNull(@NotNull String path,
+                                                         @NotNull Class<T> clazz);
+
+    /**
+     * Get bukkit configuration section from config.
+     *
+     * @param path The key to check.
+     * @return The configuration section. Throws NPE if not found.
+     */
+    @NotNull
+    @Deprecated
+    ConfigurationSection getSection(@NotNull String path);
+
+    /**
+     * Get bukkit configuration section from config.
+     *
+     * @param path The key to check.
+     * @return The configuration section, or null if not found.
+     */
+    @Nullable
+    @Deprecated
+    ConfigurationSection getSectionOrNull(@NotNull String path);
+
+    /**
+     * Get subsection from config.
+     *
+     * @param path The key to check.
+     * @return The subsection. Throws NPE if not found.
+     */
+    @NotNull
+    Config getSubsection(@NotNull String path);
+
+    /**
+     * Get subsection from config.
+     *
+     * @param path The key to check.
+     * @return The subsection, or null if not found.
+     */
+    @Nullable
+    Config getSubsectionOrNull(@NotNull String path);
+
+    /**
+     * Get an integer from config.
+     *
+     * @param path The key to fetch the value from.
+     * @return The found value, or 0 if not found.
+     */
+    int getInt(@NotNull String path);
+
+    /**
+     * Get an integer from config.
+     *
+     * @param path The key to fetch the value from.
+     * @return The found value, or null if not found.
+     */
+    @Nullable
+    Integer getIntOrNull(@NotNull String path);
+
+    /**
+     * Get an integer from config with a specified default (not found) value.
+     *
+     * @param path The key to fetch the value from.
+     * @param def  The value to default to if not found.
+     * @return The found value, or the default.
+     */
+    int getInt(@NotNull String path,
+               int def);
+
+    /**
+     * Get a list of integers from config.
+     *
+     * @param path The key to fetch the value from.
+     * @return The found value, or a blank {@link java.util.ArrayList} if not found.
+     */
+    @NotNull
+    List<Integer> getInts(@NotNull String path);
+
+    /**
+     * Get a list of integers from config.
+     *
+     * @param path The key to fetch the value from.
+     * @return The found value, or null if not found.
+     */
+    @Nullable
+    List<Integer> getIntsOrNull(@NotNull String path);
+
+    /**
+     * Get a boolean from config.
+     *
+     * @param path The key to fetch the value from.
+     * @return The found value, or false if not found.
+     */
+    boolean getBool(@NotNull String path);
+
+    /**
+     * Get a boolean from config.
+     *
+     * @param path The key to fetch the value from.
+     * @return The found value, or null if not found.
+     */
+    @Nullable
+    Boolean getBoolOrNull(@NotNull String path);
+
+    /**
+     * Get a list of booleans from config.
+     *
+     * @param path The key to fetch the value from.
+     * @return The found value, or a blank {@link java.util.ArrayList} if not found.
+     */
+    @NotNull
+    List<Boolean> getBools(@NotNull String path);
+
+    /**
+     * Get a list of booleans from config.
+     *
+     * @param path The key to fetch the value from.
+     * @return The found value, or null if not found.
+     */
+    @Nullable
+    List<Boolean> getBoolsOrNull(@NotNull String path);
+
+    /**
+     * Get a string from config.
+     *
+     * @param path The key to fetch the value from.
+     * @return The found value, or an empty string if not found.
+     */
+    @NotNull
+    String getString(@NotNull String path);
+
+    /**
+     * Get a string from config.
+     *
+     * @param path The key to fetch the value from.
+     * @return The found value, or null if not found.
+     */
+    @Nullable
+    String getStringOrNull(@NotNull String path);
+
+    /**
+     * Get a list of strings from config.
+     *
+     * @param path The key to fetch the value from.
+     * @return The found value, or a blank {@link java.util.ArrayList} if not found.
+     */
+    @NotNull
+    List<String> getStrings(@NotNull String path);
+
+    /**
+     * Get a list of strings from config.
+     *
+     * @param path The key to fetch the value from.
+     * @return The found value, or null if not found.
+     */
+    @Nullable
+    List<String> getStringsOrNull(@NotNull String path);
+
+    /**
+     * Get a decimal from config.
+     *
+     * @param path The key to fetch the value from.
+     * @return The found value, or 0 if not found.
+     */
+    double getDouble(@NotNull String path);
+
+    /**
+     * Get a decimal from config.
+     *
+     * @param path The key to fetch the value from.
+     * @return The found value, or null if not found.
+     */
+    @Nullable
+    Double getDoubleOrNull(@NotNull String path);
+
+    /**
+     * Get a list of decimals from config.
+     *
+     * @param path The key to fetch the value from.
+     * @return The found value, or a blank {@link java.util.ArrayList} if not found.
+     */
+    @NotNull
+    List<Double> getDoubles(@NotNull String path);
+
+    /**
+     * Get a list of decimals from config.
+     *
+     * @param path The key to fetch the value from.
+     * @return The found value, or null if not found.
+     */
+    @Nullable
+    List<Double> getDoublesOrNull(@NotNull String path);
+}

eco-util/src/main/java/com/willfp/eco/util/config/ExtendableConfig.java

@@ -1,6 +1,6 @@
 package com.willfp.eco.util.config;
 
-import com.willfp.eco.util.config.internal.AbstractUpdatableConfig;
+import com.willfp.eco.internal.config.AbstractUpdatableConfig;
 import com.willfp.eco.util.plugin.AbstractEcoPlugin;
 import org.jetbrains.annotations.NotNull;
 

eco-util/src/main/java/com/willfp/eco/util/config/StaticBaseConfig.java

@@ -1,6 +1,6 @@
 package com.willfp.eco.util.config;
 
-import com.willfp.eco.util.config.internal.AbstractConfig;
+import com.willfp.eco.internal.config.AbstractConfig;
 import com.willfp.eco.util.plugin.AbstractEcoPlugin;
 import org.jetbrains.annotations.NotNull;
 

eco-util/src/main/java/com/willfp/eco/util/config/StaticOptionalConfig.java

@@ -0,0 +1,40 @@
+package com.willfp.eco.util.config;
+
+import com.willfp.eco.internal.config.AbstractUndefinedConfig;
+import com.willfp.eco.util.plugin.AbstractEcoPlugin;
+import org.bukkit.configuration.file.YamlConfiguration;
+import org.jetbrains.annotations.NotNull;
+
+public abstract class StaticOptionalConfig extends AbstractUndefinedConfig<YamlConfiguration> {
+    /**
+     * Config implementation for passing YamlConfigurations.
+     * <p>
+     * Does not automatically update.
+     *
+     * @param configName The name of the config
+     * @param plugin     The plugin.
+     * @param config     The YamlConfiguration handle.
+     * @deprecated Plugin not required.
+     */
+    @Deprecated
+    public StaticOptionalConfig(@NotNull final String configName,
+                                @NotNull final AbstractEcoPlugin plugin,
+                                @NotNull final YamlConfiguration config) {
+        this(configName, config);
+    }
+
+    /**
+     * Config implementation for passing YamlConfigurations.
+     * <p>
+     * Does not automatically update.
+     *
+     * @param configName The name of the config
+     * @param config     The YamlConfiguration handle.
+     */
+    public StaticOptionalConfig(@NotNull final String configName,
+                                @NotNull final YamlConfiguration config) {
+        super(configName);
+
+        init(config);
+    }
+}

eco-util/src/main/java/com/willfp/eco/util/config/ValueGetter.java

@@ -1,5 +0,0 @@
-package com.willfp.eco.util.config;
-
-@Deprecated
-public interface ValueGetter {
-}

eco-util/src/main/java/com/willfp/eco/util/config/internal/AbstractConfig.java

@@ -1,472 +0,0 @@
-package com.willfp.eco.util.config.internal;
-
-import com.willfp.eco.util.StringUtils;
-import com.willfp.eco.util.internal.PluginDependent;
-import com.willfp.eco.util.plugin.AbstractEcoPlugin;
-import lombok.AccessLevel;
-import lombok.Getter;
-import org.bukkit.configuration.ConfigurationSection;
-import org.bukkit.configuration.InvalidConfigurationException;
-import org.bukkit.configuration.file.YamlConfiguration;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.OutputStream;
-import java.nio.charset.StandardCharsets;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
-
-@SuppressWarnings("unchecked")
-public abstract class AbstractConfig extends PluginDependent {
-    /**
-     * The linked {@link YamlConfiguration} where values are physically stored.
-     */
-    @Getter(AccessLevel.PUBLIC)
-    protected final YamlConfiguration config;
-
-    /**
-     * The physical config file, as stored on disk.
-     */
-    @Getter(AccessLevel.PROTECTED)
-    private final File configFile;
-
-    /**
-     * The full name of the config file (eg config.yml).
-     */
-    @Getter(AccessLevel.PROTECTED)
-    private final String name;
-
-    /**
-     * The subdirectory path.
-     */
-    @Getter(AccessLevel.PROTECTED)
-    private final String subDirectoryPath;
-
-    /**
-     * The provider of the config.
-     */
-    @Getter(AccessLevel.PROTECTED)
-    private final Class<?> source;
-
-    /**
-     * Cached values for faster reading.
-     */
-    private final Map<String, Object> cache = new HashMap<>();
-
-    /**
-     * Abstract config.
-     *
-     * @param configName       The name of the config
-     * @param plugin           The plugin.
-     * @param subDirectoryPath The subdirectory path.
-     * @param source           The class that owns the resource.
-     */
-    protected AbstractConfig(@NotNull final String configName,
-                             @NotNull final AbstractEcoPlugin plugin,
-                             @NotNull final String subDirectoryPath,
-                             @NotNull final Class<?> source) {
-        super(plugin);
-        this.source = source;
-        this.subDirectoryPath = subDirectoryPath;
-        this.name = configName + ".yml";
-
-        File directory = new File(this.getPlugin().getDataFolder(), subDirectoryPath);
-        if (!directory.exists()) {
-            directory.mkdirs();
-        }
-
-        if (!new File(directory, this.name).exists()) {
-            createFile();
-        }
-
-        this.configFile = new File(directory, this.name);
-        this.config = YamlConfiguration.loadConfiguration(configFile);
-    }
-
-    private void createFile() {
-        String resourcePath = getResourcePath();
-        InputStream in = source.getResourceAsStream(resourcePath);
-
-        File outFile = new File(this.getPlugin().getDataFolder(), resourcePath);
-        int lastIndex = resourcePath.lastIndexOf('/');
-        File outDir = new File(this.getPlugin().getDataFolder(), resourcePath.substring(0, Math.max(lastIndex, 0)));
-
-        if (!outDir.exists()) {
-            outDir.mkdirs();
-        }
-
-        try {
-            if (!outFile.exists()) {
-                OutputStream out = new FileOutputStream(outFile);
-                byte[] buf = new byte[1024];
-                int len;
-                while ((len = in.read(buf)) > 0) {
-                    out.write(buf, 0, len);
-                }
-                out.close();
-                in.close();
-            }
-        } catch (IOException ignored) {
-        }
-    }
-
-    /**
-     * Get resource path as relative to base directory.
-     *
-     * @return The resource path.
-     */
-    protected String getResourcePath() {
-        String resourcePath;
-
-        if (subDirectoryPath.isEmpty()) {
-            resourcePath = name;
-        } else {
-            resourcePath = subDirectoryPath + name;
-        }
-
-        return "/" + resourcePath;
-    }
-
-    /**
-     * Get YamlConfiguration as found in jar.
-     *
-     * @return The YamlConfiguration.
-     */
-    protected YamlConfiguration getConfigInJar() {
-        InputStream newIn = source.getResourceAsStream(getResourcePath());
-
-        if (newIn == null) {
-            throw new NullPointerException(this.getName() + " is null?");
-        }
-
-        BufferedReader reader = new BufferedReader(new InputStreamReader(newIn, StandardCharsets.UTF_8));
-        YamlConfiguration newConfig = new YamlConfiguration();
-
-        try {
-            newConfig.load(reader);
-        } catch (IOException | InvalidConfigurationException e) {
-            e.printStackTrace();
-        }
-
-        return newConfig;
-    }
-
-    /**
-     * Clears cache.
-     */
-    public final void clearCache() {
-        cache.clear();
-    }
-
-    /**
-     * Get if the config contains a key.
-     *
-     * @param path The key to check.
-     * @return If contained.
-     */
-    public boolean has(@NotNull final String path) {
-        return config.contains(path);
-    }
-
-    /**
-     * Get configuration section from config.
-     *
-     * @param path The key to check.
-     * @return The configuration section. Throws NPE if not found.
-     */
-    @NotNull
-    public ConfigurationSection getSection(@NotNull final String path) {
-        ConfigurationSection section = getSectionOrNull(path);
-        if (section == null) {
-            throw new NullPointerException("Section cannot be null!");
-        } else {
-            return section;
-        }
-    }
-
-    /**
-     * Get configuration section from config.
-     *
-     * @param path The key to check.
-     * @return The configuration section, or null if not found.
-     */
-    @Nullable
-    public ConfigurationSection getSectionOrNull(@NotNull final String path) {
-        if (cache.containsKey(path)) {
-            return (ConfigurationSection) cache.get(path);
-        } else {
-            cache.put(path, config.getConfigurationSection(path));
-            return getSectionOrNull(path);
-        }
-    }
-
-    /**
-     * Get an integer from config.
-     *
-     * @param path The key to fetch the value from.
-     * @return The found value, or 0 if not found.
-     */
-    public int getInt(@NotNull final String path) {
-        if (cache.containsKey(path)) {
-            return (int) cache.get(path);
-        } else {
-            cache.put(path, config.getInt(path, 0));
-            return getInt(path);
-        }
-    }
-
-    /**
-     * Get an integer from config.
-     *
-     * @param path The key to fetch the value from.
-     * @return The found value, or null if not found.
-     */
-    @Nullable
-    public Integer getIntOrNull(@NotNull final String path) {
-        if (has(path)) {
-            return getInt(path);
-        } else {
-            return null;
-        }
-    }
-
-    /**
-     * Get an integer from config with a specified default (not found) value.
-     *
-     * @param path The key to fetch the value from.
-     * @param def  The value to default to if not found.
-     * @return The found value, or the default.
-     */
-    public int getInt(@NotNull final String path,
-                      final int def) {
-        if (cache.containsKey(path)) {
-            return (int) cache.get(path);
-        } else {
-            cache.put(path, config.getInt(path, def));
-            return getInt(path);
-        }
-    }
-
-    /**
-     * Get a list of integers from config.
-     *
-     * @param path The key to fetch the value from.
-     * @return The found value, or a blank {@link java.util.ArrayList} if not found.
-     */
-    @NotNull
-    public List<Integer> getInts(@NotNull final String path) {
-        if (cache.containsKey(path)) {
-            return (List<Integer>) cache.get(path);
-        } else {
-            cache.put(path, config.getIntegerList(path));
-            return getInts(path);
-        }
-    }
-
-    /**
-     * Get a list of integers from config.
-     *
-     * @param path The key to fetch the value from.
-     * @return The found value, or null if not found.
-     */
-    @Nullable
-    public List<Integer> getIntsOrNull(@NotNull final String path) {
-        if (has(path)) {
-            return getInts(path);
-        } else {
-            return null;
-        }
-    }
-
-    /**
-     * Get a boolean from config.
-     *
-     * @param path The key to fetch the value from.
-     * @return The found value, or false if not found.
-     */
-    public boolean getBool(@NotNull final String path) {
-        if (cache.containsKey(path)) {
-            return (boolean) cache.get(path);
-        } else {
-            cache.put(path, config.getBoolean(path));
-            return getBool(path);
-        }
-    }
-
-    /**
-     * Get a boolean from config.
-     *
-     * @param path The key to fetch the value from.
-     * @return The found value, or null if not found.
-     */
-    @Nullable
-    public Boolean getBoolOrNull(@NotNull final String path) {
-        if (has(path)) {
-            return getBool(path);
-        } else {
-            return null;
-        }
-    }
-
-    /**
-     * Get a list of booleans from config.
-     *
-     * @param path The key to fetch the value from.
-     * @return The found value, or a blank {@link java.util.ArrayList} if not found.
-     */
-    @NotNull
-    public List<Boolean> getBools(@NotNull final String path) {
-        if (cache.containsKey(path)) {
-            return (List<Boolean>) cache.get(path);
-        } else {
-            cache.put(path, config.getBooleanList(path));
-            return getBools(path);
-        }
-    }
-
-    /**
-     * Get a list of booleans from config.
-     *
-     * @param path The key to fetch the value from.
-     * @return The found value, or null if not found.
-     */
-    @Nullable
-    public List<Boolean> getBoolsOrNull(@NotNull final String path) {
-        if (has(path)) {
-            return getBools(path);
-        } else {
-            return null;
-        }
-    }
-
-    /**
-     * Get a string from config.
-     *
-     * @param path The key to fetch the value from.
-     * @return The found value, or an empty string if not found.
-     */
-    @NotNull
-    public String getString(@NotNull final String path) {
-        if (cache.containsKey(path)) {
-            return (String) cache.get(path);
-        } else {
-            cache.put(path, StringUtils.translate(Objects.requireNonNull(config.getString(path, ""))));
-            return getString(path);
-        }
-    }
-
-    /**
-     * Get a string from config.
-     *
-     * @param path The key to fetch the value from.
-     * @return The found value, or null if not found.
-     */
-    @Nullable
-    public String getStringOrNull(@NotNull final String path) {
-        if (has(path)) {
-            return getString(path);
-        } else {
-            return null;
-        }
-    }
-
-    /**
-     * Get a list of strings from config.
-     *
-     * @param path The key to fetch the value from.
-     * @return The found value, or a blank {@link java.util.ArrayList} if not found.
-     */
-    @NotNull
-    public List<String> getStrings(@NotNull final String path) {
-        if (cache.containsKey(path)) {
-            return (List<String>) cache.get(path);
-        } else {
-            cache.put(path, config.getStringList(path));
-            return getStrings(path);
-        }
-    }
-
-    /**
-     * Get a list of strings from config.
-     *
-     * @param path The key to fetch the value from.
-     * @return The found value, or null if not found.
-     */
-    @Nullable
-    public List<String> getStringsOrNull(@NotNull final String path) {
-        if (has(path)) {
-            return getStrings(path);
-        } else {
-            return null;
-        }
-    }
-
-    /**
-     * Get a decimal from config.
-     *
-     * @param path The key to fetch the value from.
-     * @return The found value, or 0 if not found.
-     */
-    public double getDouble(@NotNull final String path) {
-        if (cache.containsKey(path)) {
-            return (double) cache.get(path);
-        } else {
-            cache.put(path, config.getDouble(path));
-            return getDouble(path);
-        }
-    }
-
-    /**
-     * Get a decimal from config.
-     *
-     * @param path The key to fetch the value from.
-     * @return The found value, or null if not found.
-     */
-    @Nullable
-    public Double getDoubleOrNull(@NotNull final String path) {
-        if (has(path)) {
-            return getDouble(path);
-        } else {
-            return null;
-        }
-    }
-
-    /**
-     * Get a list of decimals from config.
-     *
-     * @param path The key to fetch the value from.
-     * @return The found value, or a blank {@link java.util.ArrayList} if not found.
-     */
-    @NotNull
-    public List<Double> getDoubles(@NotNull final String path) {
-        if (cache.containsKey(path)) {
-            return (List<Double>) cache.get(path);
-        } else {
-            cache.put(path, config.getDoubleList(path));
-            return getDoubles(path);
-        }
-    }
-
-    /**
-     * Get a list of decimals from config.
-     *
-     * @param path The key to fetch the value from.
-     * @return The found value, or null if not found.
-     */
-    @Nullable
-    public List<Double> getDoublesOrNull(@NotNull final String path) {
-        if (has(path)) {
-            return getDoubles(path);
-        } else {
-            return null;
-        }
-    }
-}

eco-util/src/main/java/com/willfp/eco/util/display/Display.java

@@ -14,25 +14,24 @@ import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.function.Function;
-import java.util.function.Predicate;
 
 @UtilityClass
+@SuppressWarnings("deprecation")
 public class Display {
     /**
-     * Registered display functions.
+     * The prefix for lore lines.
      */
-    private static final List<Map<String, Function<ItemStack, ItemStack>>> DISPLAY_FUNCTIONS = new ArrayList<>(10000);
+    public static final String PREFIX = "§z";
 
     /**
-     * Registered revert functions.
+     * All registered display modules.
      */
-    private static final List<Function<ItemStack, ItemStack>> REVERT_FUNCTIONS = new ArrayList<>();
+    private static final Map<DisplayPriority, List<DisplayModule>> MODULES = new HashMap<>();
 
     /**
      * NamespacedKey for finalizing.
      */
-    private static NamespacedKey finalizeKey;
+    private static NamespacedKey finalizeKey = null;
 
     /**
      * Register display module.
@@ -40,30 +39,13 @@ public class Display {
      * @param module The module.
      */
     public void registerDisplayModule(@NotNull final DisplayModule module) {
-        int priority = module.getPriority();
-        if (priority > 9999) {
-            priority = 9999;
-        }
-        Function<ItemStack, ItemStack> function = module.getFunction();
+        List<DisplayModule> modules = MODULES.get(module.getPriority());
 
-        Map<String, Function<ItemStack, ItemStack>> functions = DISPLAY_FUNCTIONS.get(priority);
-        if (functions == null) {
-            functions = new HashMap<>();
-        }
+        modules.removeIf(module1 -> module1.getPluginName().equalsIgnoreCase(module.getPluginName()));
 
-        functions.remove(module.getId());
-        functions.put(module.getId(), function);
+        modules.add(module);
 
-        DISPLAY_FUNCTIONS.set(priority, functions);
-    }
-
-    /**
-     * Register revert function.
-     *
-     * @param function The function.
-     */
-    public void registerRevertModule(@NotNull final Function<ItemStack, ItemStack> function) {
-        REVERT_FUNCTIONS.add(function);
+        MODULES.put(module.getPriority(), modules);
     }
 
     /**
@@ -73,20 +55,33 @@ public class Display {
      * @return The itemstack.
      */
     public ItemStack display(@NotNull final ItemStack itemStack) {
-        if (isFinalized(itemStack)) {
-            unfinalize(itemStack);
-            return itemStack;
+        if (!itemStack.hasItemMeta()) {
+            return itemStack; // return early if there's no customization of the item
+        }
+
+        Map<String, Object[]> pluginVarArgs = new HashMap<>();
+
+        for (DisplayPriority priority : DisplayPriority.values()) {
+            List<DisplayModule> modules = MODULES.get(priority);
+            for (DisplayModule module : modules) {
+                pluginVarArgs.put(module.getPluginName(), module.generateVarArgs(itemStack));
+            }
         }
 
         revert(itemStack);
 
-        for (Map<String, Function<ItemStack, ItemStack>> displayFunctions : DISPLAY_FUNCTIONS) {
-            if (displayFunctions == null) {
-                continue;
-            }
+        ItemMeta meta = itemStack.getItemMeta();
 
-            for (Function<ItemStack, ItemStack> displayFunction : displayFunctions.values()) {
-                displayFunction.apply(itemStack);
+        if (meta == null) {
+            return itemStack;
+        }
+
+        for (DisplayPriority priority : DisplayPriority.values()) {
+            List<DisplayModule> modules = MODULES.get(priority);
+            for (DisplayModule module : modules) {
+                Object[] varargs = pluginVarArgs.get(module.getPluginName());
+                module.display(itemStack);
+                module.display(itemStack, varargs);
             }
         }
 
@@ -110,13 +105,32 @@ public class Display {
      * @return The itemstack.
      */
     public ItemStack revert(@NotNull final ItemStack itemStack) {
-        if (isFinalized(itemStack)) {
+        if (Display.isFinalized(itemStack)) {
             unfinalize(itemStack);
+        }
+
+        if (!itemStack.hasItemMeta()) {
             return itemStack;
         }
 
-        for (Function<ItemStack, ItemStack> displayFunction : REVERT_FUNCTIONS) {
-            displayFunction.apply(itemStack);
+        ItemMeta meta = itemStack.getItemMeta();
+
+        if (meta == null) {
+            return itemStack;
+        }
+
+        List<String> lore = meta.getLore();
+
+        if (lore != null && lore.removeIf(line -> line.startsWith(Display.PREFIX))) { // only apply lore modification if needed
+            meta.setLore(lore);
+            itemStack.setItemMeta(meta);
+        }
+
+        for (DisplayPriority priority : DisplayPriority.values()) {
+            List<DisplayModule> modules = MODULES.get(priority);
+            for (DisplayModule module : modules) {
+                module.revert(itemStack);
+            }
         }
 
         return itemStack;
@@ -130,13 +144,16 @@ public class Display {
      */
     public ItemStack finalize(@NotNull final ItemStack itemStack) {
         Validate.notNull(finalizeKey, "Key cannot be null!");
+
         if (itemStack.getType().getMaxStackSize() > 1) {
             return itemStack;
         }
+
         ItemMeta meta = itemStack.getItemMeta();
         if (meta == null) {
             return itemStack;
         }
+
         PersistentDataContainer container = meta.getPersistentDataContainer();
         container.set(finalizeKey, PersistentDataType.INTEGER, 1);
         itemStack.setItemMeta(meta);
@@ -151,10 +168,13 @@ public class Display {
      */
     public ItemStack unfinalize(@NotNull final ItemStack itemStack) {
         Validate.notNull(finalizeKey, "Key cannot be null!");
+
         ItemMeta meta = itemStack.getItemMeta();
+
         if (meta == null) {
             return itemStack;
         }
+
         PersistentDataContainer container = meta.getPersistentDataContainer();
         container.remove(finalizeKey);
         itemStack.setItemMeta(meta);
@@ -169,37 +189,17 @@ public class Display {
      */
     public boolean isFinalized(@NotNull final ItemStack itemStack) {
         Validate.notNull(finalizeKey, "Key cannot be null!");
+
         ItemMeta meta = itemStack.getItemMeta();
+
         if (meta == null) {
             return false;
         }
+
         PersistentDataContainer container = meta.getPersistentDataContainer();
         return container.has(finalizeKey, PersistentDataType.INTEGER);
     }
 
-
-    /**
-     * Register finalize function.
-     *
-     * @param function The function.
-     * @deprecated Not needed.
-     */
-    @Deprecated
-    public void registerFinalizeModule(@NotNull final Function<ItemStack, ItemStack> function) {
-        // This function is not needed.
-    }
-
-    /**
-     * Register finalize test function.
-     *
-     * @param function The function.
-     * @deprecated Not needed.
-     */
-    @Deprecated
-    public void registerFinalizeTestModule(@NotNull final Predicate<ItemStack> function) {
-        // This isn't needed.
-    }
-
     /**
      * Set key to be used for finalization.
      *
@@ -211,8 +211,8 @@ public class Display {
     }
 
     static {
-        for (int i = 0; i < 10000; i++) {
-            DISPLAY_FUNCTIONS.add(null);
+        for (DisplayPriority priority : DisplayPriority.values()) {
+            MODULES.put(priority, new ArrayList<>());
         }
     }
 }

eco-util/src/main/java/com/willfp/eco/util/display/DisplayModule.java

@@ -1,42 +1,79 @@
 package com.willfp.eco.util.display;
 
+import com.willfp.eco.util.internal.PluginDependent;
+import com.willfp.eco.util.plugin.AbstractEcoPlugin;
 import lombok.Getter;
 import org.bukkit.inventory.ItemStack;
 import org.jetbrains.annotations.NotNull;
 
-import java.util.function.Function;
-
-public class DisplayModule {
+public abstract class DisplayModule extends PluginDependent {
     /**
-     * Priority of the display module, where lower numbers are executed sooner.
+     * The priority of the module.
      */
     @Getter
-    private final int priority;
+    private final DisplayPriority priority;
 
     /**
-     * The function executed on display.
-     */
-    @Getter
-    private final Function<ItemStack, ItemStack> function;
-
-    /**
-     * Function id for unregistration.
-     */
-    @Getter
-    private final String id;
-
-    /**
-     * Create new display module.
+     * Create a new display module.
      *
-     * @param function The function.
-     * @param priority The priority.
-     * @param id       The id.
+     * @param plugin   The plugin that the display is for.
+     * @param priority The priority of the module.
      */
-    public DisplayModule(@NotNull final Function<ItemStack, ItemStack> function,
-                         final int priority,
-                         @NotNull final String id) {
-        this.function = function;
+    protected DisplayModule(@NotNull final AbstractEcoPlugin plugin,
+                            @NotNull final DisplayPriority priority) {
+        super(plugin);
         this.priority = priority;
-        this.id = id;
+    }
+
+    /**
+     * Display an item.
+     *
+     * @param itemStack The item.
+     * @param args      Optional args for display.
+     */
+    protected void display(@NotNull final ItemStack itemStack,
+                           @NotNull final Object... args) {
+        // Technically optional.
+    }
+
+    /**
+     * Display an item.
+     * <p>
+     * This method exists for parity with older plugins that don't include the varargs.
+     *
+     * @param itemStack The item.
+     * @deprecated Use {@link this#display(ItemStack, Object...)} instead.
+     */
+    @Deprecated
+    protected void display(@NotNull final ItemStack itemStack) {
+        // Technically optional.
+    }
+
+    /**
+     * Revert an item.
+     *
+     * @param itemStack The item.
+     */
+    protected void revert(@NotNull final ItemStack itemStack) {
+        // Technically optoinal.
+    }
+
+    /**
+     * Create varargs to pass back to itemstack after reverting, but before display.
+     *
+     * @param itemStack The itemStack.
+     * @return The plugin-specific varargs.
+     */
+    protected Object[] generateVarArgs(@NotNull final ItemStack itemStack) {
+        return new Object[0];
+    }
+
+    /**
+     * Get name of plugin.
+     *
+     * @return The plugin name.
+     */
+    final String getPluginName() {
+        return super.getPlugin().getPluginName();
     }
 }

eco-util/src/main/java/com/willfp/eco/util/display/DisplayPriority.java

@@ -0,0 +1,23 @@
+package com.willfp.eco.util.display;
+
+public enum DisplayPriority {
+    /**
+     * Ran first.
+     */
+    LOWEST,
+
+    /**
+     * Ran second.
+     */
+    LOW,
+
+    /**
+     * Ran third.
+     */
+    HIGH,
+
+    /**
+     * Ran last.
+     */
+    HIGHEST
+}

eco-util/src/main/java/com/willfp/eco/util/interfaces/EcoRunnable.java

@@ -1,11 +0,0 @@
-package com.willfp.eco.util.interfaces;
-
-public interface EcoRunnable extends Runnable {
-    /**
-     * The EcoRunnable interface is generally used for repeating tasks.
-     * This method is to retrieve the ticks between repetitions.
-     *
-     * @return The ticks between repetitions.
-     */
-    long getTime();
-}

eco-util/src/main/java/com/willfp/eco/util/interfaces/Registerable.java

@@ -1,8 +0,0 @@
-package com.willfp.eco.util.interfaces;
-
-public interface Registerable {
-    /**
-     * Register an object with its respective registry.
-     */
-    void register();
-}

eco-util/src/main/java/com/willfp/eco/util/plugin/AbstractEcoPlugin.java

@@ -1,10 +1,10 @@
 package com.willfp.eco.util.plugin;
 
+import com.willfp.eco.internal.arrows.ArrowDataListener;
 import com.willfp.eco.internal.bukkit.events.EcoEventManager;
 import com.willfp.eco.internal.bukkit.logging.EcoLogger;
 import com.willfp.eco.internal.bukkit.scheduling.EcoScheduler;
-import com.willfp.eco.util.ClassUtils;
-import com.willfp.eco.util.arrows.ArrowDataListener;
+import com.willfp.eco.internal.extensions.EcoExtensionLoader;
 import com.willfp.eco.util.bukkit.events.EventManager;
 import com.willfp.eco.util.bukkit.keys.NamespacedKeyFactory;
 import com.willfp.eco.util.bukkit.logging.Logger;
@@ -15,15 +15,14 @@ import com.willfp.eco.util.command.AbstractCommand;
 import com.willfp.eco.util.config.configs.Config;
 import com.willfp.eco.util.config.configs.Lang;
 import com.willfp.eco.util.config.updating.ConfigHandler;
-import com.willfp.eco.internal.extensions.EcoExtensionLoader;
+import com.willfp.eco.util.display.Display;
+import com.willfp.eco.util.display.DisplayModule;
 import com.willfp.eco.util.extensions.loader.ExtensionLoader;
 import com.willfp.eco.util.integrations.IntegrationLoader;
 import com.willfp.eco.util.integrations.placeholder.PlaceholderManager;
 import com.willfp.eco.util.integrations.placeholder.plugins.PlaceholderIntegrationPAPI;
 import com.willfp.eco.util.optional.Prerequisite;
 import com.willfp.eco.util.protocollib.AbstractPacketAdapter;
-import com.willfp.eco.util.recipe.RecipeListener;
-import com.willfp.eco.util.recipe.RecipeManager;
 import com.willfp.eco.util.updater.UpdateChecker;
 import lombok.Getter;
 import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
@@ -33,6 +32,7 @@ import org.bukkit.event.Listener;
 import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.java.JavaPlugin;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -141,12 +141,6 @@ public abstract class AbstractEcoPlugin extends JavaPlugin {
     @Getter
     private final RunnableFactory runnableFactory;
 
-    /**
-     * Recipe handler for crafting recipes.
-     */
-    @Getter
-    private final RecipeManager recipeManager;
-
     /**
      * The loader for all plugin extensions.
      *
@@ -161,6 +155,12 @@ public abstract class AbstractEcoPlugin extends JavaPlugin {
     @Getter
     private final ConfigHandler configHandler;
 
+    /**
+     * The display module for the plugin.
+     */
+    @Getter
+    private DisplayModule displayModule;
+
     /**
      * If the server is running an outdated version of the plugin.
      */
@@ -195,7 +195,6 @@ public abstract class AbstractEcoPlugin extends JavaPlugin {
         this.runnableFactory = new RunnableFactory(this);
         this.extensionLoader = new EcoExtensionLoader(this);
         this.configHandler = new ConfigHandler(this);
-        this.recipeManager = new RecipeManager(this);
 
         this.langYml = new Lang(this);
         this.configYml = new Config(this);
@@ -214,7 +213,6 @@ public abstract class AbstractEcoPlugin extends JavaPlugin {
         this.getLog().info("Loading " + this.color + this.pluginName);
 
         this.getEventManager().registerListener(new ArrowDataListener(this));
-        this.getEventManager().registerListener(new RecipeListener(this));
 
         new UpdateChecker(this).getVersion(version -> {
             DefaultArtifactVersion currentVersion = new DefaultArtifactVersion(this.getDescription().getVersion());
@@ -297,14 +295,18 @@ public abstract class AbstractEcoPlugin extends JavaPlugin {
      * Default code to be executed after the server is up.
      */
     public final void afterLoad() {
-        if (ClassUtils.exists("com.comphenix.protocol.events.PacketAdapter")) {
-            this.getPacketAdapters().forEach(abstractPacketAdapter -> {
-                if (abstractPacketAdapter.isPostLoad()) {
-                    abstractPacketAdapter.register();
-                }
-            });
+        this.displayModule = createDisplayModule();
+
+        if (this.getDisplayModule() != null) {
+            Display.registerDisplayModule(this.getDisplayModule());
         }
 
+        this.getPacketAdapters().forEach(abstractPacketAdapter -> {
+            if (abstractPacketAdapter.isPostLoad()) {
+                abstractPacketAdapter.register();
+            }
+        });
+
         if (!Prerequisite.HAS_PAPER.isMet()) {
             this.getLog().error("");
             this.getLog().error("----------------------------");
@@ -400,4 +402,12 @@ public abstract class AbstractEcoPlugin extends JavaPlugin {
      * @return A list of all updatable classes.
      */
     public abstract List<Class<?>> getUpdatableClasses();
+
+    /**
+     * Create the display module for the plugin.
+     *
+     * @return The display module, or null.
+     */
+    @Nullable
+    protected abstract DisplayModule createDisplayModule();
 }

eco-util/src/main/java/com/willfp/eco/util/recipe/RecipeListener.java

@@ -1,89 +0,0 @@
-package com.willfp.eco.util.recipe;
-
-import com.willfp.eco.util.internal.PluginDependent;
-import com.willfp.eco.util.plugin.AbstractEcoPlugin;
-import org.bukkit.Material;
-import org.bukkit.event.EventHandler;
-import org.bukkit.event.Listener;
-import org.bukkit.event.inventory.CraftItemEvent;
-import org.bukkit.event.inventory.PrepareItemCraftEvent;
-import org.bukkit.inventory.ItemStack;
-import org.bukkit.inventory.ShapedRecipe;
-import org.jetbrains.annotations.NotNull;
-
-public class RecipeListener extends PluginDependent implements Listener {
-    /**
-     * Pass an {@link AbstractEcoPlugin} in order to interface with it.
-     *
-     * @param plugin The plugin to manage.
-     */
-    public RecipeListener(@NotNull final AbstractEcoPlugin plugin) {
-        super(plugin);
-    }
-
-    /**
-     * Called on item craft.
-     *
-     * @param event The event to listen for.
-     */
-    @EventHandler
-    public void prepareCraftListener(@NotNull final PrepareItemCraftEvent event) {
-        if (!(event.getRecipe() instanceof ShapedRecipe)) {
-            return;
-        }
-
-        ShapedRecipe recipe = (ShapedRecipe) event.getRecipe();
-
-        if (!recipe.getKey().getNamespace().equals(this.getPlugin().getPluginName().toLowerCase())) {
-            return;
-        }
-
-        ItemStack[] matrix = event.getInventory().getMatrix();
-        EcoShapedRecipe matched = this.getPlugin().getRecipeManager().getMatch(matrix);
-
-        if (matched == null) {
-            event.getInventory().setResult(new ItemStack(Material.AIR));
-            return;
-        }
-
-        if (matched.test(matrix)) {
-            event.getInventory().setResult(matched.getOutput());
-        } else {
-            event.getInventory().setResult(new ItemStack(Material.AIR));
-        }
-    }
-
-    /**
-     * Called on item craft.
-     *
-     * @param event The event to listen for.
-     */
-    @EventHandler
-    public void craftListener(@NotNull final CraftItemEvent event) {
-        if (!(event.getRecipe() instanceof ShapedRecipe)) {
-            return;
-        }
-
-        ShapedRecipe recipe = (ShapedRecipe) event.getRecipe();
-
-        if (!recipe.getKey().getNamespace().equals(this.getPlugin().getPluginName().toLowerCase())) {
-            return;
-        }
-
-        ItemStack[] matrix = event.getInventory().getMatrix();
-        EcoShapedRecipe matched = this.getPlugin().getRecipeManager().getMatch(matrix);
-
-        if (matched == null) {
-            event.getInventory().setResult(new ItemStack(Material.AIR));
-            event.setCancelled(true);
-            return;
-        }
-
-        if (matched.test(matrix)) {
-            event.getInventory().setResult(matched.getOutput());
-        } else {
-            event.getInventory().setResult(new ItemStack(Material.AIR));
-            event.setCancelled(true);
-        }
-    }
-}

eco-util/src/main/java/com/willfp/eco/util/recipe/RecipeParts.java

@@ -0,0 +1,63 @@
+package com.willfp.eco.util.recipe;
+
+import com.willfp.eco.util.recipe.parts.EmptyRecipePart;
+import com.willfp.eco.util.recipe.parts.RecipePart;
+import com.willfp.eco.util.recipe.parts.SimpleRecipePart;
+import lombok.experimental.UtilityClass;
+import org.bukkit.Material;
+import org.bukkit.NamespacedKey;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@UtilityClass
+@SuppressWarnings("deprecation")
+public final class RecipeParts {
+    /**
+     * All recipe parts.
+     */
+    private static final Map<NamespacedKey, RecipePart> PARTS = new HashMap<>();
+
+    /**
+     * Register a new recipe part.
+     *
+     * @param key  The key of the recipe part.
+     * @param part The recipe part.
+     */
+    public void registerRecipePart(@NotNull final NamespacedKey key,
+                                   @NotNull final RecipePart part) {
+        PARTS.put(key, part);
+    }
+
+    /**
+     * Lookup recipe part from string.
+     *
+     * @param key The string to test.
+     * @return The found recipe part, or null if not found.
+     */
+    public RecipePart lookup(@NotNull final String key) {
+        String[] split = key.toLowerCase().split(":");
+        if (split.length == 1) {
+            Material material = Material.getMaterial(key.toUpperCase());
+            if (material == null || material == Material.AIR) {
+                return new EmptyRecipePart();
+            }
+            return new SimpleRecipePart(material);
+        }
+
+        RecipePart part = PARTS.get(new NamespacedKey(split[0], split[1]));
+        return part == null ? new EmptyRecipePart() : part;
+    }
+
+    /**
+     * Get if itemStack is a recipe part (used to check for custom items).
+     *
+     * @param itemStack The itemStack to check.
+     * @return If is recipe.
+     */
+    public boolean isRecipePart(@NotNull final ItemStack itemStack) {
+        return PARTS.values().stream().anyMatch(recipePart -> recipePart.matches(itemStack));
+    }
+}

eco-util/src/main/java/com/willfp/eco/util/recipe/Recipes.java

@@ -2,8 +2,8 @@ package com.willfp.eco.util.recipe;
 
 import com.google.common.collect.BiMap;
 import com.google.common.collect.HashBiMap;
-import com.willfp.eco.util.internal.PluginDependent;
-import com.willfp.eco.util.plugin.AbstractEcoPlugin;
+import com.willfp.eco.util.recipe.recipes.EcoShapedRecipe;
+import lombok.experimental.UtilityClass;
 import org.bukkit.Bukkit;
 import org.bukkit.NamespacedKey;
 import org.bukkit.inventory.ItemStack;
@@ -12,40 +12,34 @@ import org.bukkit.inventory.ShapedRecipe;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+@UtilityClass
 @SuppressWarnings("deprecation")
-public class RecipeManager extends PluginDependent {
+public class Recipes {
     /**
      * Registry of all recipes.
      */
-    private final BiMap<String, EcoShapedRecipe> registry = HashBiMap.create();
+    private static final BiMap<NamespacedKey, EcoShapedRecipe> RECIPES = HashBiMap.create();
+
 
     /**
-     * Pass an {@link AbstractEcoPlugin} in order to interface with it.
+     * Register a recipe.
      *
-     * @param plugin The plugin to manage.
+     * @param recipe The recipe.
      */
-    public RecipeManager(@NotNull final AbstractEcoPlugin plugin) {
-        super(plugin);
-    }
+    public void register(@NotNull final EcoShapedRecipe recipe) {
+        RECIPES.forcePut(recipe.getKey(), recipe);
 
-    void register(@NotNull final EcoShapedRecipe recipe) {
-        String key = recipe.getKey();
-        registry.forcePut(key, recipe);
+        Bukkit.getServer().removeRecipe(recipe.getKey());
+        Bukkit.getServer().removeRecipe(recipe.getDisplayedKey());
 
-        NamespacedKey baseKey = this.getPlugin().getNamespacedKeyFactory().create(key);
-        Bukkit.getServer().removeRecipe(baseKey);
-
-        NamespacedKey displayedKey = this.getPlugin().getNamespacedKeyFactory().create(key + "_displayed");
-        Bukkit.getServer().removeRecipe(displayedKey);
-
-        ShapedRecipe shapedRecipe = new ShapedRecipe(baseKey, recipe.getOutput());
+        ShapedRecipe shapedRecipe = new ShapedRecipe(recipe.getKey(), recipe.getOutput());
         shapedRecipe.shape("012", "345", "678");
         for (int i = 0; i < 9; i++) {
             char character = String.valueOf(i).toCharArray()[0];
             shapedRecipe.setIngredient(character, recipe.getMaterialAtIndex(i));
         }
 
-        ShapedRecipe displayedRecipe = new ShapedRecipe(displayedKey, recipe.getOutput());
+        ShapedRecipe displayedRecipe = new ShapedRecipe(recipe.getDisplayedKey(), recipe.getOutput());
         displayedRecipe.shape("012", "345", "678");
         for (int i = 0; i < 9; i++) {
             char character = String.valueOf(i).toCharArray()[0];
@@ -64,7 +58,7 @@ public class RecipeManager extends PluginDependent {
      */
     @Nullable
     public EcoShapedRecipe getMatch(@NotNull final ItemStack[] matrix) {
-        return registry.values().stream().filter(recipe -> recipe.test(matrix)).findFirst().orElse(null);
+        return RECIPES.values().stream().filter(recipe -> recipe.test(matrix)).findFirst().orElse(null);
     }
 
     /**
@@ -74,7 +68,18 @@ public class RecipeManager extends PluginDependent {
      * @return The shaped recipe, or null if not found.
      */
     @Nullable
-    public EcoShapedRecipe getShapedRecipe(@NotNull final String key) {
-        return registry.get(key);
+    public EcoShapedRecipe getShapedRecipe(@NotNull final NamespacedKey key) {
+        EcoShapedRecipe recipe = RECIPES.get(key);
+        if (recipe != null) {
+            return recipe;
+        }
+
+        if (key.getKey().contains("_displayed")) {
+            NamespacedKey otherKey = new NamespacedKey(key.getNamespace(), key.getKey().replace("_displayed", ""));
+
+            return RECIPES.get(otherKey);
+        }
+
+        return null;
     }
 }

eco-util/src/main/java/com/willfp/eco/util/recipe/lookup/RecipePartUtils.java

@@ -1,51 +0,0 @@
-package com.willfp.eco.util.recipe.lookup;
-
-import com.willfp.eco.util.recipe.parts.EmptyRecipePart;
-import com.willfp.eco.util.recipe.parts.RecipePart;
-import com.willfp.eco.util.recipe.parts.SimpleRecipePart;
-import lombok.experimental.UtilityClass;
-import org.bukkit.Material;
-import org.jetbrains.annotations.NotNull;
-
-import java.util.HashMap;
-import java.util.Map;
-import java.util.function.Function;
-
-@UtilityClass
-public final class RecipePartUtils {
-    /**
-     * All recipes.
-     */
-    private static final Map<String, Function<String, RecipePart>> TESTS = new HashMap<>();
-
-    /**
-     * Register a new lookup.
-     *
-     * @param key            The key of the lookup.
-     * @param lookupFunction The lookup to register, where the output is the recipe part generated.
-     */
-    public void registerLookup(@NotNull final String key,
-                               @NotNull final Function<String, RecipePart> lookupFunction) {
-        TESTS.put(key, lookupFunction);
-    }
-
-    /**
-     * Lookup recipe part from string.
-     *
-     * @param key The string to test.
-     * @return The generated recipe part, or null if invalid.
-     */
-    public RecipePart lookup(@NotNull final String key) {
-        Function<String, RecipePart> lookup = TESTS.get(key);
-
-        if (lookup == null) {
-            Material material = Material.getMaterial(key.toUpperCase());
-            if (material == null || material == Material.AIR) {
-                return new EmptyRecipePart();
-            }
-            return new SimpleRecipePart(material);
-        }
-
-        return lookup.apply(key);
-    }
-}

eco-util/src/main/java/com/willfp/eco/util/recipe/recipes/EcoShapedRecipe.java

@@ -1,18 +1,19 @@
-package com.willfp.eco.util.recipe;
+package com.willfp.eco.util.recipe.recipes;
 
-import com.willfp.eco.util.interfaces.Registerable;
 import com.willfp.eco.util.internal.PluginDependent;
 import com.willfp.eco.util.plugin.AbstractEcoPlugin;
+import com.willfp.eco.util.recipe.Recipes;
 import com.willfp.eco.util.recipe.parts.EmptyRecipePart;
 import com.willfp.eco.util.recipe.parts.RecipePart;
 import lombok.Getter;
 import org.bukkit.Material;
+import org.bukkit.NamespacedKey;
 import org.bukkit.inventory.ItemStack;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.Arrays;
 
-public final class EcoShapedRecipe extends PluginDependent implements Registerable {
+public final class EcoShapedRecipe extends PluginDependent {
     /**
      * Recipe parts.
      */
@@ -23,7 +24,13 @@ public final class EcoShapedRecipe extends PluginDependent implements Registerab
      * The key of the recipe.
      */
     @Getter
-    private final String key;
+    private final NamespacedKey key;
+
+    /**
+     * The key of the displayed recipe.
+     */
+    @Getter
+    private final NamespacedKey displayedKey;
 
     /**
      * The recipe's output.
@@ -38,7 +45,8 @@ public final class EcoShapedRecipe extends PluginDependent implements Registerab
         super(plugin);
 
         this.parts = parts;
-        this.key = key;
+        this.key = plugin.getNamespacedKeyFactory().create(key);
+        this.displayedKey = plugin.getNamespacedKeyFactory().create(key + "_displayed");
         this.output = output;
     }
 
@@ -82,9 +90,8 @@ public final class EcoShapedRecipe extends PluginDependent implements Registerab
     /**
      * Register the recipe.
      */
-    @Override
     public void register() {
-        this.getPlugin().getRecipeManager().register(this);
+        Recipes.register(this);
     }
 
     @Override
@@ -193,66 +200,4 @@ public final class EcoShapedRecipe extends PluginDependent implements Registerab
             return new EcoShapedRecipe(plugin, key.toLowerCase(), recipeParts, output);
         }
     }
-
-    public enum RecipePosition {
-        /**
-         * Top left of matrix.
-         */
-        TOP_LEFT(0),
-
-        /**
-         * Top middle of matrix.
-         */
-        TOP_MIDDLE(1),
-
-        /**
-         * Top right of matrix.
-         */
-        TOP_RIGHT(2),
-
-        /**
-         * Middle left of matrix.
-         */
-        MIDDLE_LEFT(3),
-
-        /**
-         * Middle of matrix.
-         */
-        MIDDLE(4),
-
-        /**
-         * Middle right of matrix.
-         */
-        MIDDLE_RIGHT(5),
-
-        /**
-         * Bottom left of matrix.
-         */
-        BOTTOM_LEFT(6),
-
-        /**
-         * Bottom middle of matrix.
-         */
-        BOTTOM_MIDDLE(7),
-
-        /**
-         * Bottom right of matrix.
-         */
-        BOTTOM_RIGHT(8);
-
-        /**
-         * The index within a crafting table matrix.
-         */
-        @Getter
-        private final int index;
-
-        /**
-         * Recipe position with crafting table index.
-         *
-         * @param index The index.
-         */
-        RecipePosition(final int index) {
-            this.index = index;
-        }
-    }
 }

eco-util/src/main/java/com/willfp/eco/util/recipe/recipes/RecipePosition.java

@@ -0,0 +1,65 @@
+package com.willfp.eco.util.recipe.recipes;
+
+import lombok.Getter;
+
+public enum RecipePosition {
+    /**
+     * Top left of matrix.
+     */
+    TOP_LEFT(0),
+
+    /**
+     * Top middle of matrix.
+     */
+    TOP_MIDDLE(1),
+
+    /**
+     * Top right of matrix.
+     */
+    TOP_RIGHT(2),
+
+    /**
+     * Middle left of matrix.
+     */
+    MIDDLE_LEFT(3),
+
+    /**
+     * Middle of matrix.
+     */
+    MIDDLE(4),
+
+    /**
+     * Middle right of matrix.
+     */
+    MIDDLE_RIGHT(5),
+
+    /**
+     * Bottom left of matrix.
+     */
+    BOTTOM_LEFT(6),
+
+    /**
+     * Bottom middle of matrix.
+     */
+    BOTTOM_MIDDLE(7),
+
+    /**
+     * Bottom right of matrix.
+     */
+    BOTTOM_RIGHT(8);
+
+    /**
+     * The index within a crafting table matrix.
+     */
+    @Getter
+    private final int index;
+
+    /**
+     * Recipe position with crafting table index.
+     *
+     * @param index The index.
+     */
+    RecipePosition(final int index) {
+        this.index = index;
+    }
+}

eco-util/src/main/java/com/willfp/eco/util/serialization/Deserializer.java

@@ -0,0 +1,14 @@
+package com.willfp.eco.util.serialization;
+
+import com.willfp.eco.util.config.Config;
+import org.jetbrains.annotations.NotNull;
+
+public abstract class Deserializer<T extends EcoSerializable<T>> {
+    /**
+     * Deserialize a config into an object.
+     *
+     * @param config The config.
+     * @return The object.
+     */
+    public abstract T deserialize(@NotNull Config config);
+}

eco-util/src/main/java/com/willfp/eco/util/serialization/EcoSerializable.java

@@ -0,0 +1,14 @@
+package com.willfp.eco.util.serialization;
+
+import com.willfp.eco.util.config.Config;
+import org.jetbrains.annotations.NotNull;
+
+public interface EcoSerializable<T> {
+    /**
+     * Serialize an object into a config.
+     *
+     * @return The config.
+     */
+    @NotNull
+    Config serialize();
+}

eco-util/src/main/java/com/willfp/eco/util/serialization/NoRegisteredDeserializerException.java

@@ -0,0 +1,14 @@
+package com.willfp.eco.util.serialization;
+
+import org.jetbrains.annotations.NotNull;
+
+public class NoRegisteredDeserializerException extends Exception {
+    /**
+     * Create new NoRegisteredDeserializerException.
+     *
+     * @param message The message.
+     */
+    public NoRegisteredDeserializerException(@NotNull final String message) {
+        super(message);
+    }
+}

eco-util/src/main/java/com/willfp/eco/util/tuples/Pair.java

@@ -1,9 +1,26 @@
 package com.willfp.eco.util.tuples;
 
+import lombok.Getter;
+import lombok.Setter;
 import org.jetbrains.annotations.Nullable;
 
-@SuppressWarnings("deprecation")
-public class Pair<A, B> extends com.willfp.eco.util.tuplets.Pair<A, B> {
+public class Pair<A, B> {
+    /**
+     * The first item in the tuple.
+     */
+    @Getter
+    @Setter
+    @Nullable
+    private A first;
+
+    /**
+     * The second item in the tuple.
+     */
+    @Getter
+    @Setter
+    @Nullable
+    private B second;
+
     /**
      * Create a pair of values.
      *
@@ -12,6 +29,7 @@ public class Pair<A, B> extends com.willfp.eco.util.tuplets.Pair<A, B> {
      */
     public Pair(@Nullable final A first,
                 @Nullable final B second) {
-        super(first, second);
+        this.first = first;
+        this.second = second;
     }
 }

eco-util/src/main/java/com/willfp/eco/util/tuples/Triplet.java

@@ -1,9 +1,18 @@
 package com.willfp.eco.util.tuples;
 
+import lombok.Getter;
+import lombok.Setter;
 import org.jetbrains.annotations.Nullable;
 
-@SuppressWarnings("deprecation")
-public class Triplet<A, B, C> extends com.willfp.eco.util.tuplets.Triplet<A, B, C> {
+public class Triplet<A, B, C> extends Pair<A, B> {
+    /**
+     * The third item in the tuple.
+     */
+    @Getter
+    @Setter
+    @Nullable
+    private C third;
+
     /**
      * Create a triple of values.
      *
@@ -14,6 +23,8 @@ public class Triplet<A, B, C> extends com.willfp.eco.util.tuplets.Triplet<A, B,
     public Triplet(@Nullable final A first,
                    @Nullable final B second,
                    @Nullable final C third) {
-        super(first, second, third);
+        super(first, second);
+
+        this.third = third;
     }
 }

eco-util/src/main/java/com/willfp/eco/util/tuplets/Pair.java

@@ -1,41 +0,0 @@
-package com.willfp.eco.util.tuplets;
-
-import lombok.Getter;
-import lombok.Setter;
-import lombok.ToString;
-import org.jetbrains.annotations.Nullable;
-
-@SuppressWarnings("DeprecatedIsStillUsed")
-@ToString
-@Deprecated
-public class Pair<A, B> {
-    /**
-     * The first value in the pair.
-     */
-    @Getter
-    @Setter
-    @Nullable
-    private A first;
-
-    /**
-     * The second value in the pair.
-     */
-    @Getter
-    @Setter
-    @Nullable
-    private B second;
-
-    /**
-     * Create a pair of values.
-     * <p>
-     * This is deprecated because I forgot how to spell Tuples before putting this into production.
-     *
-     * @param first  The first item in the pair.
-     * @param second The second item in the pair.
-     */
-    public Pair(@Nullable final A first,
-                @Nullable final B second) {
-        this.first = first;
-        this.second = second;
-    }
-}

eco-util/src/main/java/com/willfp/eco/util/tuplets/Triplet.java

@@ -1,52 +0,0 @@
-package com.willfp.eco.util.tuplets;
-
-import lombok.Getter;
-import lombok.Setter;
-import lombok.ToString;
-import org.jetbrains.annotations.Nullable;
-
-@SuppressWarnings("DeprecatedIsStillUsed")
-@ToString
-@Deprecated
-public class Triplet<A, B, C> {
-    /**
-     * The first item in the triplet.
-     */
-    @Getter
-    @Setter
-    @Nullable
-    private A first;
-
-    /**
-     * The second item in the triplet.
-     */
-    @Getter
-    @Setter
-    @Nullable
-    private B second;
-
-    /**
-     * The third item in the triplet.
-     */
-    @Getter
-    @Setter
-    @Nullable
-    private C third;
-
-    /**
-     * Create a triplet.
-     * <p>
-     * This is deprecated because I forgot how to spell Tuples before putting this into production.
-     *
-     * @param first  The first item in the triplet.
-     * @param second The second item in the triplet.
-     * @param third  The third item in the triplet.
-     */
-    public Triplet(@Nullable final A first,
-                   @Nullable final B second,
-                   @Nullable final C third) {
-        this.first = first;
-        this.second = second;
-        this.third = third;
-    }
-}

gradle.properties

@@ -1,2 +1,2 @@
-version = 3.8.0
+version = 4.3.0
 plugin-name = eco