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dInventory.java
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dInventory.java
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package net.aufdemrand.denizen.objects;
import net.aufdemrand.denizen.objects.aH.Argument;
import net.aufdemrand.denizen.objects.aH.PrimitiveType;
import net.aufdemrand.denizen.objects.notable.Notable;
import net.aufdemrand.denizen.objects.notable.NotableManager;
import net.aufdemrand.denizen.objects.notable.Note;
import net.aufdemrand.denizen.objects.properties.Property;
import net.aufdemrand.denizen.objects.properties.PropertyParser;
import net.aufdemrand.denizen.scripts.ScriptRegistry;
import net.aufdemrand.denizen.scripts.containers.core.InventoryScriptContainer;
import net.aufdemrand.denizen.scripts.containers.core.InventoryScriptHelper;
import net.aufdemrand.denizen.tags.Attribute;
import net.aufdemrand.denizen.utilities.Utilities;
import net.aufdemrand.denizen.utilities.debugging.dB;
import net.aufdemrand.denizen.utilities.nbt.ImprovedOfflinePlayer;
import net.aufdemrand.denizencore.utilities.CoreUtilities;
import org.bukkit.Bukkit;
import org.bukkit.Material;
import org.bukkit.block.BrewingStand;
import org.bukkit.block.Chest;
import org.bukkit.block.DoubleChest;
import org.bukkit.block.Furnace;
import org.bukkit.craftbukkit.v1_7_R4.inventory.CraftInventory;
import org.bukkit.entity.Entity;
import org.bukkit.entity.Player;
import org.bukkit.event.inventory.InventoryType;
import org.bukkit.inventory.*;
import org.bukkit.inventory.meta.BookMeta;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class dInventory implements dObject, Notable, Adjustable {
public static dInventory mirrorBukkitInventory(Inventory inventory) {
// Scripts have priority over notables
if (InventoryScriptHelper.tempInventoryScripts.containsKey(inventory))
return new dInventory(inventory).setIdentifiers("script",
InventoryScriptHelper.tempInventoryScripts.get(inventory));
// Use the map to get notable inventories
if (InventoryScriptHelper.notableInventories.containsKey(inventory.getTitle()))
return InventoryScriptHelper.notableInventories.get(inventory.getTitle());
// Iterate through offline player inventories
for (Map.Entry<UUID, PlayerInventory> inv : InventoryScriptHelper.offlineInventories.entrySet()) {
if (((CraftInventory) inv.getValue()).getInventory().equals(((CraftInventory) inventory).getInventory()))
return new dInventory(new ImprovedOfflinePlayer(inv.getKey()));
}
return new dInventory(inventory);
}
/////////////////////
// PATTERNS
/////////////////
final static Pattern inventory_by_type = Pattern.compile("(in@)(npc|player|enderchest|workbench|entity|location|generic)\\[(.+?)\\]", Pattern.CASE_INSENSITIVE);
final static Pattern inventory_by_script = Pattern.compile("(in@)(.+)", Pattern.CASE_INSENSITIVE);
/////////////////////
// STATIC FIELDS
/////////////////
// The maximum number of slots a Bukkit inventory can have
public final static int maxSlots = 54;
// All of the inventory id types we use
public final static String[] idTypes = { "npc", "player", "enderchest", "workbench", "entity", "location", "generic" };
/////////////////////
// NOTABLE METHODS
/////////////////
public boolean isUnique() {
return NotableManager.isSaved(this);
}
@Note("Inventories")
public String getSaveObject() {
return "in@" + idType + PropertyParser.getPropertiesString(this);
}
public void makeUnique(String id) {
String title = inventory.getTitle();
if (title == null || title.startsWith("container."))
title = inventory.getType().getDefaultTitle();
// You can only have 32 characters in an inventory title... So let's make sure we have at least 3 colors...
// which brings notable inventory title lengths down to 26... TODO: document this/fix if possible in later version
if (title.length() > 26) title = title.substring(0, title.charAt(25) == '§' ? 25 : 26);
String colors;
while (true) {
colors = Utilities.generateRandomColors(3);
if (!InventoryScriptHelper.notableInventories.containsKey(title + colors)) {
ItemStack[] contents = inventory.getContents();
if (getInventoryType() == InventoryType.CHEST) {
inventory = Bukkit.getServer().createInventory(null, inventory.getSize(), title + colors);
}
else {
inventory = Bukkit.getServer().createInventory(null, inventory.getType(), title + colors);
}
inventory.setContents(contents);
InventoryScriptHelper.notableInventories.put(title + colors, this);
break;
}
}
idType = null;
idHolder = null;
loadIdentifiers();
NotableManager.saveAs(this, id);
}
public void forget() {
NotableManager.remove(idHolder);
}
//////////////////
// OBJECT FETCHER
////////////////
@Fetchable("in")
public static dInventory valueOf(String string) {
return valueOf(string, null, null);
}
/**
*
* Gets a dInventory from a string format.
*
* @param string
* The inventory in string form. (in@player[playerName], in@scriptName, etc.)
* @return
* The dInventory value. If the string is incorrectly formatted or
* the specified inventory is invalid, this is null.
*
*/
public static dInventory valueOf(String string, dPlayer player, dNPC npc) {
if (string == null) return null;
///////
// Handle objects with properties through the object fetcher
Matcher m = ObjectFetcher.DESCRIBED_PATTERN.matcher(string);
if (m.matches()) {
return ObjectFetcher.getObjectFrom(dInventory.class, string, player, npc);
}
// Match in@scriptName for Inventory Scripts, as well as in@notableName
m = inventory_by_script.matcher(string);
if (m.matches()) {
if (ScriptRegistry.containsScript(m.group(2), InventoryScriptContainer.class))
return ScriptRegistry.getScriptContainerAs(m.group(2), InventoryScriptContainer.class)
.getInventoryFrom(player, npc);
if (NotableManager.isSaved(m.group(2)) && NotableManager.isType(m.group(2), dInventory.class))
return (dInventory) NotableManager.getSavedObject(m.group(2));
for (String idType : idTypes) if (m.group(2).equalsIgnoreCase(idType))
return new dInventory(m.group(2));
}
m = inventory_by_type.matcher(string);
if (m.matches()) {
// Set the type of the inventory holder
String type = m.group(2).toLowerCase();
// Set the name/id/location of the inventory holder
String holder = m.group(3);
if (type.equals("generic")) {
Argument arg = Argument.valueOf(holder);
if (arg.matchesEnum(InventoryType.values())) {
return new dInventory(InventoryType.valueOf(holder.toUpperCase()));
}
else if (arg.matchesPrimitive(PrimitiveType.Integer)) {
return new dInventory(arg.asElement().asInt());
}
else {
dB.echoError("That type of inventory does not exist!");
}
}
else if (type.equals("npc")) {
if (dNPC.matches(holder))
return dNPC.valueOf(holder).getDenizenInventory();
}
else if (type.equals("player")) {
if (dPlayer.matches(holder))
return dPlayer.valueOf(holder).getInventory();
}
else if (type.equals("workbench")) {
if (dPlayer.matches(holder)) {
dInventory workbench = dPlayer.valueOf(holder).getWorkbench();
if (workbench != null)
dB.echoError("Value of dInventory returning null (" + string + ")." +
" Specified player does not have an open workbench.");
else
return workbench;
}
}
else if (type.equals("enderchest")) {
if (dPlayer.matches(holder))
return dPlayer.valueOf(holder).getEnderChest();
}
else if (type.equals("entity")) {
if (dEntity.matches(holder))
return dEntity.valueOf(holder).getInventory();
}
else if (type.equals("location")) {
if (dLocation.matches(holder))
return dLocation.valueOf(holder).getInventory();
}
// If the dInventory is invalid, alert the user and return null
dB.echoError("Value of dInventory returning null. Invalid " +
type + " specified: " + holder);
return null;
}
dB.echoError("Value of dInventory returning null. Invalid dInventory specified: " + string);
return null;
}
/**
* Determine whether a string is a valid inventory.
*
* @param arg the arg string
* @return true if matched, otherwise false
*
*/
public static boolean matches(String arg) {
// Every single dInventory should have the in@ prefix. No exceptions.
return arg.toLowerCase().startsWith("in@");
}
///////////////
// Constructors
/////////////
String idType = null;
String idHolder = null;
public dInventory(Inventory inventory) {
this.inventory = inventory;
loadIdentifiers();
}
public dInventory(Inventory inventory, InventoryHolder holder) {
this.inventory = inventory;
loadIdentifiers(holder);
}
public dInventory(InventoryHolder holder) {
inventory = holder.getInventory();
loadIdentifiers();
}
public dInventory(ItemStack[] items) {
inventory = Bukkit.getServer().createInventory(null, (int) Math.ceil(items.length / 9) * 9);
setContents(items);
loadIdentifiers();
}
public dInventory(ImprovedOfflinePlayer offlinePlayer) {
this(offlinePlayer, false);
}
public dInventory(ImprovedOfflinePlayer offlinePlayer, boolean isEnderChest) {
inventory = isEnderChest ? offlinePlayer.getEnderChest() : offlinePlayer.getInventory();
setIdentifiers("player", "p@" + offlinePlayer.getUniqueId());
}
public dInventory(int size, String title) {
if (size <= 0 || size%9 != 0) {
dB.echoError("InventorySize must be multiple of 9, and greater than 0.");
return;
}
inventory = Bukkit.getServer().createInventory(null, size, title);
loadIdentifiers();
}
public dInventory(InventoryType type) {
inventory = Bukkit.getServer().createInventory(null, type);
loadIdentifiers();
}
public dInventory(int size) {
this(size, "Chest");
}
public dInventory(String idType) {
this.idType = idType.toLowerCase();
for (Mechanism mechanism : mechanisms) {
adjust(mechanism);
}
mechanisms.clear();
}
/////////////////////
// INSTANCE FIELDS/METHODS
/////////////////
// Associated with Bukkit Inventory
private Inventory inventory = null;
public Inventory getInventory() {
return inventory;
}
/**
* Changes the inventory to a new inventory, possibly of a different
* type, size, and with different contents.
* NOTE: SHOULD ONLY BE USED IN CASES WHERE THERE
* ARE NO OTHER OPTIONS.
*
* @param inventory The new inventory
*/
public void setInventory(Inventory inventory) {
this.inventory = inventory;
loadIdentifiers();
}
public void setInventory(Inventory inventory, dPlayer player) {
this.inventory = inventory;
this.idHolder = player.identify();
}
public void setTitle(String title) {
if (!getIdType().equals("generic") || title == null)
return;
else if (inventory == null) {
inventory = Bukkit.getServer().createInventory(null, maxSlots, title);
loadIdentifiers();
return;
}
ItemStack[] contents = inventory.getContents();
if (inventory.getType() == InventoryType.CHEST)
inventory = Bukkit.getServer().createInventory(null, inventory.getSize(), title);
else
inventory = Bukkit.getServer().createInventory(null, inventory.getType(), title);
inventory.setContents(contents);
loadIdentifiers();
}
public boolean containsItem(dItem item, int amount) {
if (item == null)
return false;
item.setAmount(1);
String myItem = CoreUtilities.toLowerCase(item.getFullString());
for (int i = 0; i < inventory.getSize(); i++) {
ItemStack is = inventory.getItem(i);
if (is == null)
continue;
is = is.clone();
int count = is.getAmount();
is.setAmount(1);
String newItem = CoreUtilities.toLowerCase(new dItem(is).getFullString());
if (myItem.equals(newItem)) {
if (count <= amount) {
amount -= count;
if (amount == 0)
return true;
}
else if (count > amount) {
return true;
}
}
}
return false;
}
public boolean removeItem(dItem item, int amount) {
if (item == null)
return false;
item.setAmount(1);
String myItem = CoreUtilities.toLowerCase(item.getFullString());
for (int i = 0; i < inventory.getSize(); i++) {
ItemStack is = inventory.getItem(i);
if (is == null)
continue;
is = is.clone();
int count = is.getAmount();
is.setAmount(1);
String newItem = CoreUtilities.toLowerCase(new dItem(is).getFullString());
if (myItem.equals(newItem)) {
if (count <= amount) {
inventory.setItem(i, null);
amount -= count;
if (amount == 0)
return true;
}
else if (count > amount) {
is.setAmount(count - amount);
inventory.setItem(i, is);
return true;
}
}
}
return false;
}
public void setSize(int size) {
if (!getIdType().equals("generic"))
return;
else if (size <= 0 || size%9 != 0) {
dB.echoError("InventorySize must be multiple of 9, and greater than 0.");
return;
}
else if (inventory == null) {
inventory = Bukkit.getServer().createInventory(null, size, "Chest");
loadIdentifiers();
return;
}
int oldSize = inventory.getSize();
ItemStack[] oldContents = inventory.getContents();
ItemStack[] newContents = new ItemStack[size];
if (oldSize > size)
for (int i = 0; i < size; i++)
newContents[i] = oldContents[i];
else
newContents = oldContents;
String title = inventory.getTitle();
inventory = Bukkit.getServer().createInventory(null, size,
(title != null ? title : inventory.getType().getDefaultTitle()));
inventory.setContents(newContents);
loadIdentifiers();
}
private void loadIdentifiers() {
loadIdentifiers(inventory.getHolder());
}
private void loadIdentifiers(final InventoryHolder holder) {
if (inventory == null) return;
if (holder != null) {
if (holder instanceof dNPC) {
idType = "npc";
idHolder = ((dNPC) holder).identify();
return;
}
else if (holder instanceof Player) {
if (inventory.getType() == InventoryType.ENDER_CHEST)
idType = "enderchest";
else if (inventory.getType() == InventoryType.WORKBENCH)
idType = "workbench";
else
idType = "player";
idHolder = new dPlayer((Player) holder).identify();
return;
}
else if (holder instanceof Entity) {
idType = "entity";
idHolder = new dEntity((Entity) holder).identify();
return;
}
else {
idType = "location";
try {
idHolder = getLocation(holder).identify();
} catch (NullPointerException e) {
idHolder = "null";
}
return;
}
}
else if (getIdType().equals("player")) {
// Iterate through offline player inventories
for (Map.Entry<UUID, PlayerInventory> inv : InventoryScriptHelper.offlineInventories.entrySet()) {
if (((CraftInventory) inv.getValue()).getInventory().equals(((CraftInventory) inventory).getInventory())) {
idHolder = new dPlayer(inv.getKey()).identify();
return;
}
}
}
else if (getIdType().equals("script")) {
// Iterate through inventory scripts
for (InventoryScriptContainer container : InventoryScriptHelper.inventory_scripts.values()) {
if (((CraftInventory) (container.getInventoryFrom()).inventory).getInventory().equals(((CraftInventory) inventory).getInventory())) {
idHolder = container.getName();
return;
}
}
}
idType = "generic";
idHolder = getInventory().getType().name();
}
public dInventory setIdentifiers(String type, String holder) {
idType = type;
idHolder = holder;
return this;
}
public String getIdType() {
return idType == null ? "" : idType;
}
public String getIdHolder() {
return idHolder == null ? "" : idHolder;
}
/**
* Return the dLocation of this inventory's
* holder
*
* @return The holder's dLocation
*
*/
public dLocation getLocation() {
return getLocation(inventory.getHolder());
}
public dLocation getLocation(InventoryHolder holder) {
if (inventory != null && holder != null) {
if (holder instanceof Chest) {
return new dLocation(((Chest) holder).getLocation());
}
else if (holder instanceof DoubleChest) {
return new dLocation(((DoubleChest) holder).getLocation());
}
else if (holder instanceof BrewingStand) {
return new dLocation(((BrewingStand) holder).getLocation());
}
else if (holder instanceof Furnace) {
return new dLocation(((Furnace) holder).getLocation());
}
else if (holder instanceof Entity) {
return new dLocation(((Entity) holder).getLocation());
}
else if (holder instanceof dNPC) {
dNPC npc = (dNPC) holder;
if (npc.getLocation() == null)
return new dLocation(((dNPC) holder).getCitizen().getStoredLocation());
return npc.getLocation();
}
}
return null;
}
public ItemStack[] getContents() {
if (inventory != null) return inventory.getContents();
else return new ItemStack[0];
}
public dList getEquipment() {
ItemStack[] equipment = null;
if (inventory instanceof PlayerInventory) {
equipment = ((PlayerInventory) inventory).getArmorContents();
}
else if (inventory instanceof HorseInventory) {
equipment = new ItemStack[]{((HorseInventory) inventory).getSaddle(), ((HorseInventory) inventory).getArmor()};
}
if (equipment == null)
return null;
dList equipmentList = new dList();
for (ItemStack item : equipment) {
equipmentList.add(new dItem(item).identify());
}
return equipmentList;
}
public InventoryType getInventoryType() {
return inventory.getType();
}
public int getSize() {
return inventory.getSize();
}
public void remove(ItemStack item) {
inventory.remove(item);
}
public void setContents(ItemStack[] contents) {
inventory.setContents(contents);
}
public void setContents(dList list) {
int size;
if (inventory == null) {
size = (int) Math.ceil(list.size() / 9)*9;
if (size == 0) size = 9;
inventory = Bukkit.getServer().createInventory(null, size);
loadIdentifiers();
}
else
size = inventory.getSize();
ItemStack[] contents = new ItemStack[size];
int filled = 0;
for (dItem item : list.filter(dItem.class)) {
contents[filled] = item.getItemStack();
filled++;
}
final ItemStack air = new ItemStack(Material.AIR);
while (filled < size) {
contents[filled] = air;
filled ++;
}
inventory.setContents(contents);
}
public boolean update() {
if (getIdType().equals("player")) {
dPlayer.valueOf(idHolder).getPlayerEntity().updateInventory();
return true;
}
return false;
}
public int firstPartial(int startSlot, ItemStack item) {
ItemStack[] inventory = getContents();
if (item == null) {
return -1;
}
for (int i = startSlot; i < inventory.length; i++) {
ItemStack item1 = inventory[i];
if (item1 != null && item1.getAmount() < item.getMaxStackSize() && item1.isSimilar(item)) {
return i;
}
}
return -1;
}
public int firstEmpty(int startSlot) {
ItemStack[] inventory = getContents();
for (int i = startSlot; i < inventory.length; i++) {
if (inventory[i] == null) {
return i;
}
}
return -1;
}
/////////////////////
// INVENTORY MANIPULATION
/////////////////
// Somewhat simplified version of CraftBukkit's current code
public dInventory add(int slot, ItemStack... items) {
if (inventory == null || items == null) return this;
for (int i = 0; i < items.length; i++) {
ItemStack item = items[i];
if (item == null) continue;
int amount = item.getAmount();
int max = item.getMaxStackSize();
while (true) {
// Do we already have a stack of it?
int firstPartial = firstPartial(slot, item);
// Drat! no partial stack
if (firstPartial == -1) {
// Find a free spot!
int firstFree = firstEmpty(slot);
if (firstFree == -1) {
// No space at all!
break;
} else {
// More than a single stack!
if (amount > max) {
ItemStack clone = item.clone();
clone.setAmount(max);
inventory.setItem(firstFree, clone);
item.setAmount(amount -= max);
} else {
// Just store it
inventory.setItem(firstFree, item);
break;
}
}
} else {
// So, apparently it might only partially fit, well lets do just that
ItemStack partialItem = inventory.getItem(firstPartial);
int partialAmount = partialItem.getAmount();
int total = amount + partialAmount;
// Check if it fully fits
if (total <= max) {
partialItem.setAmount(total);
break;
}
// It fits partially
partialItem.setAmount(max);
item.setAmount(amount = total - max);
}
}
}
return this;
}
public List<ItemStack> addWithLeftovers(int slot, boolean keepMaxStackSize, ItemStack... items) {
if (inventory == null || items == null) return null;
List<ItemStack> leftovers = new ArrayList<ItemStack>();
for (int i = 0; i < items.length; i++) {
ItemStack item = items[i];
if (item == null) continue;
int amount = item.getAmount();
int max;
if (keepMaxStackSize)
max = item.getMaxStackSize();
else
max = 64;
while (true) {
// Do we already have a stack of it?
int firstPartial = firstPartial(slot, item);
// Drat! no partial stack
if (firstPartial == -1) {
// Find a free spot!
int firstFree = firstEmpty(slot);
if (firstFree == -1) {
// No space at all!
leftovers.add(item);
break;
} else {
// More than a single stack!
if (amount > max) {
ItemStack clone = item.clone();
clone.setAmount(max);
inventory.setItem(firstFree, clone);
item.setAmount(amount -= max);
} else {
// Just store it
inventory.setItem(firstFree, item);
break;
}
}
} else {
// So, apparently it might only partially fit, well lets do just that
ItemStack partialItem = inventory.getItem(firstPartial);
int partialAmount = partialItem.getAmount();
int total = amount + partialAmount;
// Check if it fully fits
if (total <= max) {
partialItem.setAmount(total);
break;
}
// It fits partially
partialItem.setAmount(max);
item.setAmount(amount = total - max);
}
}
}
return leftovers;
}
public List<ItemStack> setWithLeftovers(int slot, ItemStack... items) {
if (inventory == null || items == null) return null;
List<ItemStack> leftovers = new ArrayList<ItemStack>();
for (int i = 0; i < items.length; i++) {
ItemStack item = items[i];
try {
inventory.setItem(i+slot, item);
} catch (Exception e) {
leftovers.add(i+slot, item);
}
}
return leftovers;
}
/**
* Count the number or quantities of stacks that
* match an item in an inventory.
*
* @param item The item (can be null)
* @param stacks Whether stacks should be counted
* instead of item quantities
* @return The number of stacks or quantity of items
*
*/
public int count(ItemStack item, boolean stacks)
{
if (inventory == null) return 0;
int qty = 0;
for (ItemStack invStack : inventory)
{
// If ItemStacks are empty here, they are null
if (invStack != null)
{
// If item is null, include all items in the
// inventory
if (item == null || invStack.isSimilar(item)) {
// If stacks is true, only count the number
// of stacks
//
// Otherwise, count the quantities of stacks
if (stacks) qty++;
else qty = qty + invStack.getAmount();
}
}
}
return qty;
}
/**
* Keep only the items from a certain array
* in this inventory, removing all others
*
* @param items The array of items
* @return The resulting dInventory
*
*/
public dInventory keep(ItemStack[] items) {
if (inventory == null || items == null) return this;
for (ItemStack invStack : inventory) {
if (invStack != null) {
boolean keep = false;
// See if the item array contains
// this inventory item
for (ItemStack item : items) {
if (invStack.isSimilar(item)) {
keep = true;
break;
}
}
// If the item array did not contain
// this inventory item, remove it
// from the inventory
if (!keep) {
this.remove(invStack);
}
}
}
return this;
}
/**
* Exclude an array of items from this
* inventory by removing them over and over
* until they are completely gone
*
* @param items The array of items
* @return The resulting dInventory
*
*/
public dInventory exclude(ItemStack[] items) {
if (inventory == null || items == null) return this;
int oldCount = this.count(null, false);
int newCount = -1;
while (oldCount != newCount) {
oldCount = newCount;
newCount = this.remove(items).count(null, false);
}
return this;
}
/**
* Fill an inventory with an array of items by
* continuing to add the items to it over and
* over until there is no more room
*
* @param items The array of items
* @return The resulting dInventory
*
*/
public dInventory fill(ItemStack[] items) {
if (inventory == null || items == null) return this;
int oldCount = this.count(null, false);
int newCount = -1;
while (oldCount != newCount) {
oldCount = newCount;
newCount = this.add(0, items).count(null, false);
}
return this;
}
/**
* Remove an array of items from this inventory,
* and return the result
*
* @param items The array of items
* @return The resulting dInventory
*
*/
public dInventory remove(ItemStack[] items) {
if (inventory == null || items == null) return this;
for (ItemStack item : items) {
if (item != null) inventory.removeItem(item);
}
return this;
}
/**
* Remove a book from this inventory, comparing
* only its title and author with books in the
* inventory, but ignoring its text, thus having
* Denizen support for updatable quest journals
* and their like
*
* @param book The itemStack of the book
* @return The resulting dInventory
*
*/
public dInventory removeBook(ItemStack book) {
if (inventory == null || book == null) return this;
// We have to manually keep track of the quantity
// we are removing, because we are not relying on
// Bukkit methods to find matching itemStacks
int qty = book.getAmount();
// Store the book's meta information in a variable
BookMeta bookMeta = (BookMeta) book.getItemMeta();
for (ItemStack invStack : inventory) {
if (qty == 0) break;
if (invStack != null && invStack.getItemMeta() instanceof BookMeta) {
BookMeta invMeta = (BookMeta) invStack.getItemMeta();
if (invMeta.getAuthor().equalsIgnoreCase(bookMeta.getAuthor())
&& invMeta.getTitle().equalsIgnoreCase(bookMeta.getTitle())) {
// Make sure we don't remove more books than we
// need to
if (qty - invStack.getAmount() < 0) {
invStack.setAmount((qty - invStack.getAmount()) * -1);
}
else {
inventory.removeItem(invStack);
// Update the quantity we still have to remove
qty = qty - invStack.getAmount();
}
}
}
}
return this;
}
/**
* Replace another inventory with this one,