Update Inventory Workaround to latest version

2a88a314ce3003598f8b94c427b4f88a6aeb16e6

5 files changed, 29 insertions, 450 deletions

diff --git a/Essentials/src/net/ess3/commands/Commandhat.java b/Essentials/src/net/ess3/commands/Commandhat.java
index 5a0d5bd19..ce1ead49f 100644
--- a/Essentials/src/net/ess3/commands/Commandhat.java
+++ b/Essentials/src/net/ess3/commands/Commandhat.java
@@ -26,7 +26,7 @@ public class Commandhat extends EssentialsCommand
 			{
 				final ItemStack air = new ItemStack(Material.AIR);
 				inv.setHelmet(air);
-				InventoryWorkaround.addItem(user.getPlayer().getInventory(), true, head);
+				InventoryWorkaround.addItems(user.getPlayer().getInventory(), head);
 				user.sendMessage(_("hatRemoved"));
 			}
 		}
@@ -41,7 +41,7 @@ public class Commandhat extends EssentialsCommand
 					final PlayerInventory inv = player.getInventory();
 					final ItemStack head = inv.getHelmet();
 					hand.setAmount(1);
-					InventoryWorkaround.removeItem(inv, true, true, hand);
+					inv.remove(hand);
 					inv.setHelmet(hand);
 					inv.setItemInHand(head);
 					user.sendMessage(_("hatPlaced"));
diff --git a/Essentials/src/net/ess3/commands/Commandsell.java b/Essentials/src/net/ess3/commands/Commandsell.java
index 8e1989bad..d36f82ee1 100644
--- a/Essentials/src/net/ess3/commands/Commandsell.java
+++ b/Essentials/src/net/ess3/commands/Commandsell.java
@@ -7,7 +7,6 @@ import org.bukkit.Material;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
 import net.ess3.api.IUser;
-import net.ess3.craftbukkit.InventoryWorkaround;
 import net.ess3.economy.Trade;
 import net.ess3.utils.FormatUtil;
 
@@ -143,7 +142,7 @@ public class Commandsell extends EssentialsCommand
 		//TODO: Prices for Enchantments
 		final ItemStack ris = is.clone();
 		ris.setAmount(amount);
-		InventoryWorkaround.removeItem(player.getInventory(), true, true, ris);
+		player.getInventory().removeItem(ris);
 		player.updateInventory();
 		Trade.log("Command", "Sell", "Item", user.getName(), new Trade(ris, ess), user.getName(), new Trade(worth * amount, ess), player.getLocation(), ess);
 		user.giveMoney(worth * amount);
diff --git a/Essentials/src/net/ess3/craftbukkit/FakeInventory.java b/Essentials/src/net/ess3/craftbukkit/FakeInventory.java
deleted file mode 100644
index a874f8b46..000000000
--- a/Essentials/src/net/ess3/craftbukkit/FakeInventory.java
+++ /dev/null
@@ -1,249 +0,0 @@
-package net.ess3.craftbukkit;
-
-import java.util.HashMap;
-import java.util.List;
-import java.util.ListIterator;
-import org.bukkit.Material;
-import org.bukkit.entity.HumanEntity;
-import org.bukkit.event.inventory.InventoryType;
-import org.bukkit.inventory.Inventory;
-import org.bukkit.inventory.InventoryHolder;
-import org.bukkit.inventory.ItemStack;
-
-
-public class FakeInventory implements Inventory
-{
-	ItemStack[] items;
-
-	public FakeInventory(ItemStack[] items)
-	{
-		this.items = new ItemStack[items.length];
-		for (int i = 0; i < items.length; i++)
-		{
-			if (items[i] == null)
-			{
-				continue;
-			}
-			this.items[i] = items[i].clone();
-		}
-	}
-
-	@Override
-	public int getSize()
-	{
-		return items.length;
-	}
-
-	@Override
-	public String getName()
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public ItemStack getItem(int i)
-	{
-		return items[i];
-	}
-
-	@Override
-	public void setItem(int i, ItemStack is)
-	{
-		items[i] = is;
-	}
-
-	@Override
-	public HashMap<Integer, ItemStack> addItem(ItemStack... iss)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public HashMap<Integer, ItemStack> removeItem(ItemStack... iss)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public ItemStack[] getContents()
-	{
-		return items;
-	}
-
-	@Override
-	public void setContents(ItemStack[] iss)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public boolean contains(int i)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public boolean contains(Material mtrl)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public boolean contains(ItemStack is)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public boolean contains(int i, int i1)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public boolean contains(Material mtrl, int i)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public boolean contains(ItemStack is, int i)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public HashMap<Integer, ? extends ItemStack> all(int i)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public HashMap<Integer, ? extends ItemStack> all(Material mtrl)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public HashMap<Integer, ? extends ItemStack> all(ItemStack is)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public int first(int i)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public int first(Material mtrl)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public int first(ItemStack is)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public int firstEmpty()
-	{
-		for (int i = 0; i < items.length; i++)
-		{
-			if (items[i] == null || items[i].getTypeId() == 0)
-			{
-				return i;
-			}
-		}
-		return -1;
-	}
-
-	@Override
-	public void remove(int i)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public void remove(Material mtrl)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public void remove(ItemStack is)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public void clear(int i)
-	{
-		items[i] = null;
-	}
-
-	@Override
-	public void clear()
-	{
-		for (int i = 0; i < items.length; i++)
-		{
-			items[i] = null;
-		}
-	}
-
-	@Override
-	public List<HumanEntity> getViewers()
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public String getTitle()
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public InventoryType getType()
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public InventoryHolder getHolder()
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public ListIterator<ItemStack> iterator()
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public int getMaxStackSize()
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public void setMaxStackSize(int size)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	@Override
-	public ListIterator<ItemStack> iterator(int index)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-
-	public boolean containsAtLeast(ItemStack arg0, int arg1)
-	{
-		throw new UnsupportedOperationException("Not supported yet.");
-	}
-}
diff --git a/Essentials/src/net/ess3/craftbukkit/InventoryWorkaround.java b/Essentials/src/net/ess3/craftbukkit/InventoryWorkaround.java
index 3c2fa910f..2a40a6c1c 100644
--- a/Essentials/src/net/ess3/craftbukkit/InventoryWorkaround.java
+++ b/Essentials/src/net/ess3/craftbukkit/InventoryWorkaround.java
@@ -2,6 +2,7 @@ package net.ess3.craftbukkit;
 
 import java.util.HashMap;
 import java.util.Map;
+import org.bukkit.Bukkit;
 import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.ItemStack;
 
@@ -16,51 +17,17 @@ public final class InventoryWorkaround
 	{
 	}
 
-	public static int first(final Inventory inventory, final ItemStack item, final boolean enforceDurability, final boolean enforceAmount, final boolean enforceEnchantments)
-	{
-		return next(inventory, item, 0, enforceDurability, enforceAmount, enforceEnchantments);
-	}
-
-	public static int next(final Inventory cinventory, final ItemStack item, final int start, final boolean enforceDurability, final boolean enforceAmount, final boolean enforceEnchantments)
-	{
-		final ItemStack[] inventory = cinventory.getContents();
-		for (int i = start; i < inventory.length; i++)
-		{
-			final ItemStack cItem = inventory[i];
-			if (cItem == null)
-			{
-				continue;
-			}
-			if (item.getTypeId() == cItem.getTypeId() && (!enforceAmount || item.getAmount() == cItem.getAmount()) && (!enforceDurability || cItem.getDurability() == item.getDurability()) && (!enforceEnchantments || cItem.getEnchantments().equals(
-					item.getEnchantments())))
-			{
-				return i;
-			}
-		}
-		return -1;
-	}
-
-	public static int firstPartial(final Inventory cinventory, final ItemStack item, final boolean enforceDurability)
-	{
-		return firstPartial(cinventory, item, enforceDurability, item.getType().getMaxStackSize());
-	}
-
-	public static int firstPartial(final Inventory cinventory, final ItemStack item, final boolean enforceDurability, final int maxAmount)
+	public static int firstPartial(final Inventory inventory, final ItemStack item, final int maxAmount)
 	{
 		if (item == null)
 		{
 			return -1;
 		}
-		final ItemStack[] inventory = cinventory.getContents();
-		for (int i = 0; i < inventory.length; i++)
+		final ItemStack[] stacks = inventory.getContents();
+		for (int i = 0; i < stacks.length; i++)
 		{
-			final ItemStack cItem = inventory[i];
-			if (cItem == null)
-			{
-				continue;
-			}
-			if (item.getTypeId() == cItem.getTypeId() && cItem.getAmount() < maxAmount && (!enforceDurability || cItem.getDurability() == item.getDurability()) && cItem.getEnchantments().equals(
-					item.getEnchantments()))
+			final ItemStack cItem = stacks[i];
+			if(cItem != null && cItem.getAmount() < maxAmount && cItem.isSimilar(item))
 			{
 				return i;
 			}
@@ -68,26 +35,24 @@ public final class InventoryWorkaround
 		return -1;
 	}
 
-	public static boolean addAllItems(final Inventory cinventory, final boolean enforceDurability, final ItemStack... items)
+	public static boolean addAllItems(final Inventory inventory, final ItemStack... items)
 	{
-		final Inventory fake = new FakeInventory(cinventory.getContents());
-		if (addItem(fake, enforceDurability, items).isEmpty())
+		final Inventory fakeInventory = Bukkit.getServer().createInventory(null, inventory.getType());
+		fakeInventory.setContents(inventory.getContents());
+		if (fakeInventory.addItem(items).isEmpty())
 		{
-			addItem(cinventory, enforceDurability, items);
+			inventory.addItem(items);
 			return true;
 		}
-		else
-		{
-			return false;
-		}
+		return false;
 	}
 
-	public static Map<Integer, ItemStack> addItem(final Inventory cinventory, final boolean forceDurability, final ItemStack... items)
+	public static Map<Integer, ItemStack> addItems(final Inventory inventory, final ItemStack... items)
 	{
-		return addItem(cinventory, forceDurability, 0, items);
+		return addOversizedItems(inventory, 0, items);
 	}
 
-	public static Map<Integer, ItemStack> addItem(final Inventory cinventory, final boolean enforceDurability, final int oversizedStacks, final ItemStack... items)
+	public static Map<Integer, ItemStack> addOversizedItems(final Inventory inventory, final int oversizedStacks, final ItemStack... items)
 	{
 		final Map<Integer, ItemStack> leftover = new HashMap<Integer, ItemStack>();
 
@@ -112,8 +77,7 @@ public final class InventoryWorkaround
 					combined[j] = items[i].clone();
 					break;
 				}
-				if (combined[j].getTypeId() == items[i].getTypeId() && (!enforceDurability || combined[j].getDurability() == items[i].getDurability()) && combined[j].getEnchantments().equals(
-						items[i].getEnchantments()))
+				if (combined[j].isSimilar(items[i]))
 				{
 					combined[j].setAmount(combined[j].getAmount() + items[i].getAmount());
 					break;
@@ -134,13 +98,13 @@ public final class InventoryWorkaround
 			{
 				// Do we already have a stack of it?
 				final int maxAmount = oversizedStacks > item.getType().getMaxStackSize() ? oversizedStacks : item.getType().getMaxStackSize();
-				final int firstPartial = firstPartial(cinventory, item, enforceDurability, maxAmount);
+				final int firstPartial = firstPartial(inventory, item, maxAmount);
 
 				// Drat! no partial stack
 				if (firstPartial == -1)
 				{
 					// Find a free spot!
-					final int firstFree = cinventory.firstEmpty();
+					final int firstFree = inventory.firstEmpty();
 
 					if (firstFree == -1)
 					{
@@ -155,13 +119,13 @@ public final class InventoryWorkaround
 						{
 							final ItemStack stack = item.clone();
 							stack.setAmount(maxAmount);
-							cinventory.setItem(firstFree, stack);
+							inventory.setItem(firstFree, stack);
 							item.setAmount(item.getAmount() - maxAmount);
 						}
 						else
 						{
 							// Just store it
-							cinventory.setItem(firstFree, item);
+							inventory.setItem(firstFree, item);
 							break;
 						}
 					}
@@ -169,7 +133,7 @@ public final class InventoryWorkaround
 				else
 				{
 					// So, apparently it might only partially fit, well lets do just that
-					final ItemStack partialItem = cinventory.getItem(firstPartial);
+					final ItemStack partialItem = inventory.getItem(firstPartial);
 
 					final int amount = item.getAmount();
 					final int partialAmount = partialItem.getAmount();
@@ -189,139 +153,4 @@ public final class InventoryWorkaround
 		}
 		return leftover;
 	}
-
-	public static Map<Integer, ItemStack> removeItem(final Inventory cinventory, final boolean enforceDurability, final boolean enforceEnchantments, final ItemStack... items)
-	{
-		final Map<Integer, ItemStack> leftover = new HashMap<Integer, ItemStack>();
-
-		// TODO: optimization
-
-		for (int i = 0; i < items.length; i++)
-		{
-			final ItemStack item = items[i];
-			if (item == null)
-			{
-				continue;
-			}
-			int toDelete = item.getAmount();
-
-			while (true)
-			{
-
-				// Bail when done
-				if (toDelete <= 0)
-				{
-					break;
-				}
-
-				// get first Item, ignore the amount
-				final int first = first(cinventory, item, enforceDurability, false, enforceEnchantments);
-
-				// Drat! we don't have this type in the inventory
-				if (first == -1)
-				{
-					item.setAmount(toDelete);
-					leftover.put(i, item);
-					break;
-				}
-				else
-				{
-					final ItemStack itemStack = cinventory.getItem(first);
-					final int amount = itemStack.getAmount();
-
-					if (amount <= toDelete)
-					{
-						toDelete -= amount;
-						// clear the slot, all used up
-						cinventory.clear(first);
-					}
-					else
-					{
-						// split the stack and store
-						itemStack.setAmount(amount - toDelete);
-						cinventory.setItem(first, itemStack);
-						toDelete = 0;
-					}
-				}
-			}
-		}
-		return leftover;
-	}
-
-	public static boolean containsItem(final Inventory cinventory, final boolean enforceDurability, final boolean enforceEnchantments, final ItemStack... items)
-	{
-		final Map<Integer, ItemStack> leftover = new HashMap<Integer, ItemStack>();
-
-		// TODO: optimization
-
-		// combine items
-
-		ItemStack[] combined = new ItemStack[items.length];
-		for (int i = 0; i < items.length; i++)
-		{
-			if (items[i] == null)
-			{
-				continue;
-			}
-			for (int j = 0; j < combined.length; j++)
-			{
-				if (combined[j] == null)
-				{
-					combined[j] = items[i].clone();
-					break;
-				}
-				if (combined[j].getTypeId() == items[i].getTypeId() && (!enforceDurability || combined[j].getDurability() == items[i].getDurability()) && (!enforceEnchantments || combined[j].getEnchantments().equals(
-						items[i].getEnchantments())))
-				{
-					combined[j].setAmount(combined[j].getAmount() + items[i].getAmount());
-					break;
-				}
-			}
-		}
-
-		for (int i = 0; i < combined.length; i++)
-		{
-			final ItemStack item = combined[i];
-			if (item == null)
-			{
-				continue;
-			}
-			int mustHave = item.getAmount();
-			int position = 0;
-
-			while (true)
-			{
-				// Bail when done
-				if (mustHave <= 0)
-				{
-					break;
-				}
-
-				final int slot = next(cinventory, item, position, enforceDurability, false, enforceEnchantments);
-
-				// Drat! we don't have this type in the inventory
-				if (slot == -1)
-				{
-					leftover.put(i, item);
-					break;
-				}
-				else
-				{
-					final ItemStack itemStack = cinventory.getItem(slot);
-					final int amount = itemStack.getAmount();
-
-					if (amount <= mustHave)
-					{
-						mustHave -= amount;
-					}
-					else
-					{
-						mustHave = 0;
-					}
-					position = slot + 1;
-				}
-			}
-		}
-		return leftover.isEmpty();
-	}
 }
diff --git a/Essentials/src/net/ess3/economy/Trade.java b/Essentials/src/net/ess3/economy/Trade.java
index 8ccc6f205..8d5bd5ad6 100644
--- a/Essentials/src/net/ess3/economy/Trade.java
+++ b/Essentials/src/net/ess3/economy/Trade.java
@@ -71,7 +71,7 @@ public class Trade
 			throw new ChargeException(_("notEnoughMoney"));
 		}
 
-		if (getItemStack() != null && InventoryWorkaround.containsItem(user.getPlayer().getInventory(), true, true, itemStack))
+		if (getItemStack() != null && !user.getPlayer().getInventory().containsAtLeast(itemStack, itemStack.getAmount()))
 		{
 			throw new ChargeException(
 					_("missingItems", getItemStack().getAmount(), getItemStack().getType().toString().toLowerCase(Locale.ENGLISH).replace("_", " ")));
@@ -105,7 +105,7 @@ public class Trade
 		{
 			if (dropItems)
 			{
-				final Map<Integer, ItemStack> leftOver = InventoryWorkaround.addItem(user.getPlayer().getInventory(), true, getItemStack());
+				final Map<Integer, ItemStack> leftOver = InventoryWorkaround.addItems(user.getPlayer().getInventory(), getItemStack());
 				final Location loc = user.getPlayer().getLocation();
 				for (ItemStack dropStack : leftOver.values())
 				{
@@ -129,7 +129,7 @@ public class Trade
 			}
 			else
 			{
-				success = InventoryWorkaround.addAllItems(user.getPlayer().getInventory(), true, getItemStack());
+				success = InventoryWorkaround.addAllItems(user.getPlayer().getInventory(), getItemStack());
 			}
 			user.getPlayer().updateInventory();
 		}
@@ -152,12 +152,12 @@ public class Trade
 		}
 		if (getItemStack() != null)
 		{
-			if (!InventoryWorkaround.containsItem(user.getPlayer().getInventory(), true, true, itemStack))
+			if (!user.getPlayer().getInventory().containsAtLeast(itemStack, itemStack.getAmount()))
 			{
 				throw new ChargeException(
 						_("missingItems", getItemStack().getAmount(), getItemStack().getType().toString().toLowerCase(Locale.ENGLISH).replace("_", " ")));
 			}
-			InventoryWorkaround.removeItem(user.getPlayer().getInventory(), true, true, getItemStack());
+			user.getPlayer().getInventory().removeItem(getItemStack());
 			user.getPlayer().updateInventory();
 		}
 		if (command != null && !command.isEmpty() && !Permissions.NOCOMMANDCOST.isAuthorized(user, command))