/
dInventory.java
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/
dInventory.java
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package net.aufdemrand.denizen.objects;
import java.util.regex.Pattern;
import org.bukkit.Bukkit;
import org.bukkit.block.BlockState;
import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Player;
import org.bukkit.event.inventory.InventoryType;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.InventoryHolder;
import org.bukkit.inventory.ItemStack;
import net.aufdemrand.denizen.tags.Attribute;
public class dInventory implements dObject {
//final static Pattern inventoryPattern = Pattern.compile("(\\w+)");
//////////////////
// OBJECT FETCHER
////////////////
/**
* Gets an Inventory Object from a string form.
*
* @param string the string
* @return an Inventory, or null if incorrectly formatted
*
*/
public static dInventory valueOf(String string) {
// No match
return null;
}
/**
* Determine whether a string is a valid inventory.
*
* @param string the string
* @return true if matched, otherwise false
*
*/
public static boolean matches(String arg) {
return false;
}
///////////////
// Constructors
/////////////
public dInventory(Inventory inventory) {
this.inventory = inventory;
}
public dInventory(InventoryType type) {
inventory = Bukkit.getServer().createInventory(null, type);
}
public dInventory(InventoryHolder holder) {
this.inventory = holder.getInventory();
}
public dInventory(Player player) {
this.inventory = player.getInventory();
}
public dInventory(BlockState state) {
if (state instanceof InventoryHolder) {
this.inventory = ((InventoryHolder) state).getInventory();
}
}
public dInventory(LivingEntity entity) {
if (entity instanceof InventoryHolder) {
this.inventory = ((InventoryHolder) entity).getInventory();
}
}
/////////////////////
// INSTANCE FIELDS/METHODS
/////////////////
// Associated with Bukkit Inventory
private Inventory inventory = null;
public Inventory getInventory() {
return inventory;
}
/**
* Add an array of items to this inventory
* and return the result
*
* @param items The array of items
* @return The resulting dInventory
*
*/
public dInventory add(ItemStack[] items) {
if (inventory == null || items == null) return this;
for (ItemStack item : items) {
if (item != null) inventory.addItem(item);
}
return this;
}
/**
* 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 == true) 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 == false) {
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 item 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(items).count(null, false);
}
return this;
}
/**
* Return the dLocation of this inventory's
* holder
*
* @return The holder's dLocation
*
*/
public dLocation getLocation() {
if (inventory != null) {
InventoryHolder holder = inventory.getHolder();
if (holder instanceof BlockState) {
return new dLocation(((BlockState) holder).getLocation());
}
else if (holder instanceof Player) {
return new dLocation(((Player) holder).getLocation());
}
}
return null;
}
/**
* 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;
}
/**
* Replace another inventory with this one,
* cropping it if necessary so that it fits.
*
* @param destination The destination inventory
*
*/
public void replace(dInventory destination) {
if (inventory == null || destination == null) return;
// If the destination is smaller than our current inventory,
// add as many items as possible
if (destination.getSize() < this.getSize()) {
destination.clear();
destination.add(this.getContents());
}
else {
destination.setContents(this.getContents());
}
}
public void clear() {
if (inventory != null) inventory.clear();
}
public ItemStack[] getContents() {
if (inventory != null) return inventory.getContents();
else return new ItemStack[0];
}
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);
}
//////////////////////////////
// DSCRIPT ARGUMENT METHODS
/////////////////////////
private String prefix = "Inventory";
@Override
public String getType() {
return "dInventory";
}
@Override
public String getPrefix() {
return prefix;
}
@Override
public dInventory setPrefix(String prefix) {
this.prefix = prefix;
return this;
}
@Override
public String debug() {
return null;
}
@Override
public boolean isUnique() {
return false;
}
@Override
public String identify() {
return null;
}
@Override
public String getAttribute(Attribute attribute) {
if (attribute == null) return null;
// Check if the inventory contains a certain quantity (1 by default) of an item
// and return true or false
if (attribute.startsWith("contains")) {
if (attribute.hasContext(1) && dItem.matches(attribute.getContext(1))) {
int qty = 1;
if (attribute.getAttribute(2).startsWith("qty") &&
attribute.hasContext(2) && aH.matchesInteger(attribute.getContext(2))) {
qty = attribute.getIntContext(2);
}
return new Element(getInventory().containsAtLeast
(dItem.valueOf(attribute.getContext(1)).getItemStack(), qty))
.getAttribute(attribute.fulfill(1));
}
}
// Get the location of this inventory's holder
if (attribute.startsWith("location")) {
return new dLocation(getLocation())
.getAttribute(attribute.fulfill(1));
}
// Get the combined quantity of itemstacks that match an item if
// one if specified, or the combined quantity of all itemstacks
// if one is not
if (attribute.startsWith("qty"))
if (attribute.hasContext(1) && dItem.matches(attribute.getContext(1)))
return new Element(String.valueOf(count
(dItem.valueOf(attribute.getContext(1)).getItemStack(), false)))
.getAttribute(attribute.fulfill(1));
else
return new Element(String.valueOf(count(null, false)))
.getAttribute(attribute.fulfill(1));
// Return the number of slots in the inventory
if (attribute.startsWith("size"))
return new Element(String.valueOf(getSize()))
.getAttribute(attribute.fulfill(1));
// Get the number of itemstacks that match an item if one is
// specified, or the number of all itemstacks if one is not
if (attribute.startsWith("stacks"))
if (attribute.hasContext(1) && dItem.matches(attribute.getContext(1)))
return new Element(String.valueOf(count
(dItem.valueOf(attribute.getContext(1)).getItemStack(), true)))
.getAttribute(attribute.fulfill(1));
else
return new Element(String.valueOf(count(null, true)))
.getAttribute(attribute.fulfill(1));
// Return the type of the inventory (e.g. "PLAYER", "CRAFTING")
if (attribute.startsWith("type"))
return new Element(getInventory().getType().name())
.getAttribute(attribute.fulfill(1));
return new Element(identify()).getAttribute(attribute.fulfill(0));
}
}