Plex-FAWE/src/main/java/com/sk89q/worldedit/bukkit/BukkitPlayerBlockBag.java

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// $Id$
/*
* WorldEdit
* Copyright (C) 2010 sk89q <http://www.sk89q.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.bukkit;
import org.bukkit.entity.Player;
import org.bukkit.inventory.ItemStack;
import com.sk89q.worldedit.Vector;
import com.sk89q.worldedit.bags.*;
import com.sk89q.worldedit.blocks.BlockID;
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public class BukkitPlayerBlockBag extends BlockBag {
/**
* Player instance.
*/
private Player player;
/**
* The player's inventory;
*/
private ItemStack[] items;
/**
* Construct the object.
*
* @param player
*/
public BukkitPlayerBlockBag(Player player) {
this.player = player;
}
/**
* Loads inventory on first use.
*/
private void loadInventory() {
if (items == null) {
items = player.getInventory().getContents();
}
}
/**
* Get the player.
*
* @return
*/
public Player getPlayer() {
return player;
}
/**
* Get a block.
*
* @param id
*/
@Override
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public void fetchBlock(int id) throws BlockBagException {
if (id == BlockID.AIR) {
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throw new IllegalArgumentException("Can't fetch air block");
}
loadInventory();
boolean found = false;
for (int slot = 0; slot < items.length; ++slot) {
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ItemStack item = items[slot];
if (item == null) continue;
if (item.getTypeId() == id) {
int amount = item.getAmount();
// Unlimited
if (amount < 0) {
return;
}
if (amount > 1) {
item.setAmount(amount - 1);
found = true;
} else {
items[slot] = null;
found = true;
}
break;
}
}
if (found) {
} else {
throw new OutOfBlocksException();
}
}
/**
* Store a block.
*
* @param id
*/
@Override
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public void storeBlock(int id) throws BlockBagException {
if (id == BlockID.AIR) {
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throw new IllegalArgumentException("Can't store air block");
}
loadInventory();
boolean found = false;
int freeSlot = -1;
for (int slot = 0; slot < items.length; ++slot) {
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ItemStack item = items[slot];
// Delay using up a free slot until we know there are no stacks
// of this item to merge into
if (item == null) {
if (freeSlot == -1) {
freeSlot = slot;
}
continue;
}
if (item.getTypeId() == id) {
int amount = item.getAmount();
// Unlimited
if (amount < 0) {
return;
}
if (amount < 64) {
item.setAmount(amount + 1);
found = true;
break;
}
}
}
if (!found && freeSlot > -1) {
items[freeSlot] = new ItemStack(id, 1);
found = true;
}
if (found) {
} else {
throw new OutOfSpaceException(id);
}
}
/**
* Flush any changes. This is called at the end.
*/
@Override
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public void flushChanges() {
if (items != null) {
player.getInventory().setContents(items);
items = null;
}
}
/**
* Adds a position to be used a source.
*
* @param pos
*/
@Override
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public void addSourcePosition(Vector pos) {
}
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/**
* Adds a position to be used a source.
*
* @param pos
*/
@Override
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public void addSingleSourcePosition(Vector pos) {
}
}