Add new loot classes to manage loot

Plugins/Mineplex.Core/src/mineplex/core/loot/ChestLoot.java

@@ -0,0 +1,63 @@
+package mineplex.core.loot;
+
+import java.util.ArrayList;
+
+import mineplex.core.common.util.UtilMath;
+
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+
+public class ChestLoot
+{
+	private int _totalLoot;
+	private ArrayList<RandomItem> _randomItems = new ArrayList<RandomItem>();
+	private boolean _unbreakableLoot;
+
+	public ChestLoot(boolean unbreakableLoot)
+	{
+		_unbreakableLoot = unbreakableLoot;
+	}
+
+	public ChestLoot()
+	{
+		this(false);
+	}
+
+	public void cloneLoot(ChestLoot loot)
+	{
+		_totalLoot += loot._totalLoot;
+		_randomItems.addAll(loot._randomItems);
+	}
+
+	public void registerLoot(RandomItem item)
+	{
+		_totalLoot += item.getAmount();
+		_randomItems.add(item);
+	}
+
+	public ItemStack getLoot()
+	{
+		int no = UtilMath.r(_totalLoot);
+
+		for (RandomItem item : _randomItems)
+		{
+			no -= item.getAmount();
+
+			if (no < 0)
+			{
+				ItemStack itemstack = item.getItemStack();
+
+				if (_unbreakableLoot && itemstack.getType().getMaxDurability() > 16)
+				{
+					ItemMeta meta = itemstack.getItemMeta();
+					meta.spigot().setUnbreakable(true);
+					itemstack.setItemMeta(meta);
+				}
+
+				return itemstack;
+			}
+		}
+
+		return null;
+	}
+}

Plugins/Mineplex.Core/src/mineplex/core/loot/RandomItem.java

@@ -0,0 +1,51 @@
+package mineplex.core.loot;
+
+import java.util.Random;
+
+import org.bukkit.Material;
+import org.bukkit.inventory.ItemStack;
+
+public class RandomItem
+{
+	private int _amount;
+	private ItemStack _item;
+	private int _min, _max;
+
+	public RandomItem(ItemStack item, int amount, int minStackSize, int maxStackSize)
+	{
+		_amount = amount;
+		_item = item;
+		_min = minStackSize;
+		_max = maxStackSize;
+	}
+
+	public RandomItem(ItemStack item, int amount)
+	{
+		this(item, amount, item.getAmount(), item.getAmount());
+	}
+
+	public RandomItem(Material material, int amount, int minStackSize, int maxStackSize)
+	{
+		_amount = amount;
+		_item = new ItemStack(material);
+		_min = minStackSize;
+		_max = maxStackSize;
+	}
+
+	public RandomItem(Material material, int amount)
+	{
+		this(material, amount, 1, 1);
+	}
+
+	public ItemStack getItemStack()
+	{
+		_item.setAmount((new Random().nextInt(Math.max(1, (_max - _min) + 1)) + _min));
+
+		return _item;
+	}
+
+	public int getAmount()
+	{
+		return _amount;
+	}
+}