Updated for 1.14

src/com/massivecraft/massivecore/MassivePlugin.java

@@ -422,12 +422,12 @@ public abstract class MassivePlugin extends JavaPlugin implements Listener, Name
 	@SuppressWarnings("unchecked")
 	public List<Class<?>> getClassesActive(String packageName, final Class<?> superClass, Predicate<Class<?>>... predicates)
 	{
-		if (!Active.class.isAssignableFrom(superClass)) throw new IllegalArgumentException(superClass.getName() + " is not insatnce of Active.");
+		if (!Active.class.isAssignableFrom(superClass)) throw new IllegalArgumentException(superClass.getName() + " is not instance of Active.");
 		
 		packageName = packageName == null ? "" : "." + packageName;
 		packageName = this.getClass().getPackage().getName() + packageName;
 		
-		Predicate predicateCombined = MUtil.predicatesAnd(predicates);
+		Predicate predicateCombined = predicates.length > 0 ? MUtil.predicatesAnd(predicates) : x -> true;
 		Predicate<Class<?>> predicateNotAbstract = type -> !Modifier.isAbstract(type.getModifiers());
 		Predicate<Class<?>> predicateSubclass = type -> !Modifier.isAbstract(type.getModifiers());
 		Predicate<Class<?>> predicateSingleton = PredicateIsClassSingleton.get();

src/com/massivecraft/massivecore/command/type/enumeration/TypeMaterial.java

@@ -1,11 +1,8 @@
 package com.massivecraft.massivecore.command.type.enumeration;
 
-import com.massivecraft.massivecore.collections.MassiveSet;
 import com.massivecraft.massivecore.util.Txt;
 import org.bukkit.Material;
 
-import java.util.Set;
-
 public class TypeMaterial extends TypeEnum<Material>
 {
 	// -------------------------------------------- //
@@ -22,16 +19,4 @@ public class TypeMaterial extends TypeEnum<Material>
 		);
 	}
 
-	@SuppressWarnings("deprecation")
-	@Override
-	public Set<String> getIdsInner(Material value)
-	{
-		Set<String> ret = new MassiveSet<>(super.getIdsInner(value));
-		
-		String id = String.valueOf(value.getId());
-		ret.add(id);
-		
-		return ret;
-	}
-
 }

src/com/massivecraft/massivecore/util/FlattenUtil.java

@@ -25,7 +25,7 @@ public class FlattenUtil
 			List<Object> ret = new MassiveList<>();
 			
 			// Fill
-			for (Object item : (Iterable<Object>)packed)
+			for (Object item : (Iterable<?>)packed)
 			{
 				// Recurse
 				ret.addAll(flatten(item));

src/com/massivecraft/massivecore/util/InventoryUtil.java

@@ -6,7 +6,6 @@ import com.massivecraft.massivecore.comparator.ComparatorComparable;
 import com.massivecraft.massivecore.comparator.ComparatorEntryValue;
 import com.massivecraft.massivecore.event.EventMassiveCoreLorePriority;
 import com.massivecraft.massivecore.mixin.MixinInventory;
-import com.massivecraft.massivecore.predicate.Predicate;
 import com.massivecraft.massivecore.predicate.PredicateStringStartsWith;
 import org.bukkit.Bukkit;
 import org.bukkit.Material;
@@ -31,9 +30,9 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashMap;
-import java.util.Iterator;
 import java.util.List;
 import java.util.Map.Entry;
+import java.util.stream.Collectors;
 
 public class InventoryUtil
 {
@@ -971,7 +970,7 @@ public class InventoryUtil
 			InventoryHolder holder = inventory.getHolder();
 			int size = inventory.getSize();
 			if (inventory instanceof PlayerInventory) size = SIZE_PLAYER_STORAGE;
-			String title = inventory.getTitle();
+			String title = "";
 			ret = MixinInventory.get().createInventory(holder, size, title);
 		}
 		
@@ -1229,25 +1228,21 @@ public class InventoryUtil
 	// -------------------------------------------- //
 
 	// Return true on change
-	public static boolean removeLoreMatching(ItemStack item, Predicate<String> predicate)
+	public static boolean removeLoreMatching(ItemStack item, java.util.function.Predicate<String> predicate)
 	{
-		if (predicate == null) throw new NullPointerException("prefix");
+		if (predicate == null) throw new NullPointerException("predicate");
 
 		List<String> lore = getLore(item);
 		if (lore == null) return false;
 
-		boolean ret = false;
+		List<String> newLore = lore.stream().filter(predicate).collect(Collectors.toList());
-		for (Iterator<String> it = lore.iterator(); it.hasNext();)
+		if (lore.size() != newLore.size())
 		{
-			String line = it.next();
+			setLore(item, lore);
-			if (!predicate.apply(line)) continue;
+			return true;
-			it.remove();
-			ret = true;
 		}
 
-		setLore(item, lore);
+		return false;
-
-		return ret;
 	}
 
 	public static boolean removeLoreWithPrefix(ItemStack item, String prefix)
@@ -1255,21 +1250,14 @@ public class InventoryUtil
 		return removeLoreMatching(item, PredicateStringStartsWith.get(prefix));
 	}
 
-	public static List<String> getLoreMatching(ItemStack item, Predicate<String> predicate)
+	public static List<String> getLoreMatching(ItemStack item, java.util.function.Predicate<String> predicate)
 	{
-		if (predicate == null) throw new NullPointerException("prefix");
+		if (predicate == null) throw new NullPointerException("predicate");
 
 		List<String> lore = getLore(item);
 		if (lore == null) return null;
 
-		for (Iterator<String> it = lore.iterator(); it.hasNext();)
+		return lore.stream().filter(predicate).collect(Collectors.toList());
-		{
-			String line = it.next();
-			if (predicate.apply(line)) continue;
-			it.remove();
-		}
-
-		return lore;
 	}
 
 	public static List<String> getLoreWithPrefix(ItemStack item, String prefix)

src/com/massivecraft/massivecore/util/SignUtil.java

@@ -1,5 +1,6 @@
 package com.massivecraft.massivecore.util;
 
+import com.massivecraft.massivecore.collections.BackstringSet;
 import org.bukkit.ChatColor;
 import org.bukkit.Material;
 import org.bukkit.World;
@@ -239,14 +240,28 @@ public class SignUtil
 	// IS SIGN
 	// -------------------------------------------- //
 
+	public static final BackstringSet<Material> MATERIALS_SIGN = new BackstringSet<>(Material.class,
+		"SIGN", // Minecraft 1.?
+		"WALL_SIGN", // Minecraft 1.?
+		"ACACIA_SIGN", // Minecraft 1.14
+		"ACACIA_WALL_SIGN", // Minecraft 1.14
+		"BIRCH_SIGN", // Minecraft 1.14
+		"BIRCH_WALL_SIGN", // Minecraft 1.14
+		"DARK_OAK_SIGN", // Minecraft 1.14
+		"DARK_OAK_WALL_SIGN", // Minecraft 1.14
+		"JUNGLE_SIGN", // Minecraft 1.14
+		"JUNGLE_WALL_SIGN", // Minecraft 1.14
+		"OAK_SIGN", // Minecraft 1.14
+		"OAK_WALL_SIGN", // Minecraft 1.14
+		"SPRUCE_SIGN", // Minecraft 1.14
+		"SPRUCE_WALL_SIGN" // Minecraft 1.14
+	);
+
 	public static boolean isSign(Material material)
 	{
 		if (material == null) throw new NullPointerException("material");
 		
-		if (material == Material.SIGN) return true;
+		return MATERIALS_SIGN.contains(material);
-		if (material == Material.WALL_SIGN) return true;
-		
-		return false;
 	}
 	
 	public static boolean isSign(Block block)