geforkt von Mirrors/FastAsyncWorldEdit
Added new foundation blocks (package not final) that will be used in place of LocalWorld, BaseBlock, etc. in the future. LocalWorld, BaseBlock, etc. will be changed to inherit these new classes, and eventually a full transition will be made.
Dieser Commit ist enthalten in:
sk89q
Ursprung
c387dabf15
Commit
a2aae2c4da
226
src/main/java/com/sk89q/worldedit/foundation/Block.java
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226
src/main/java/com/sk89q/worldedit/foundation/Block.java
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// $Id$
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/*
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* This file is a part of WorldEdit.
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* Copyright (c) sk89q <http://www.sk89q.com>
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* Copyright (c) the WorldEdit team and contributors
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*
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* This program is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free Software
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.sk89q.worldedit.foundation;
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import com.sk89q.jnbt.CompoundTag;
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import com.sk89q.jnbt.StringTag;
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import com.sk89q.jnbt.Tag;
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import com.sk89q.worldedit.blocks.BaseBlock;
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import com.sk89q.worldedit.blocks.TileEntityBlock;
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import com.sk89q.worldedit.data.DataException;
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/**
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* Represents a mutable copy of a block that is not tied to any 'real' block in a world.
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* A single instance of this can be set to multiple locations and each location would
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* have a copy of this instance's data.
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* </p>
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* Implementations can and should extend this class to allow native implementations
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* of NBT data handling, primarily for performance reasons. Subclasses can only convert
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* from and to WorldEdit-native NBT structures when absolutely necessary (a.k.a. when
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* {@link #getNbtData()} and {@link #setNbtData(CompoundTag)} are called. When
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* overriding the NBT methods, {@link #getNbtId()} should be overridden too, otherwise
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* the default implementation will invoke {@link #getNbtData()}, a potentially costly
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* operation when it is not needed. Implementations may want to cache converted NBT data
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* structures if possible.
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* </p>
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* Currently, {@link BaseBlock} is used throughout WorldEdit and implementations, but
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* eventually an API-breaking transition will occur to switch to this object instead.
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* As-is, the definition of this class is complete, but may need changes in MC 1.4
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* because data values may be eradicated.
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*/
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public class Block implements TileEntityBlock {
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/**
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* Indicates the highest possible block ID (inclusive) that can be used. This value
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* is subject to change depending on the implementation, but internally this class
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* only supports a range of 4096 IDs (for space reasons), which coincides with the
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* number of possible IDs that official Minecraft supports as of version 1.3.
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*/
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public static final int MAX_ID = 4095;
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/**
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* Indicates the maximum data value (inclusive) that can be used. Minecraft 1.4 may
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* abolish usage of data values and this value may be removed in the future.
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*/
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public static final int MAX_DATA = 15;
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// Instances of this class should be _as small as possible_ because there will
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// be millions of instances of this object.
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private short rawIdData;
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private CompoundTag nbtData;
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/**
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* Construct a block with the given ID and a data value of 0.
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*
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* @param id ID value
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* @see #setId(int)
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*/
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public Block(int id) {
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setId(id);
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setData(0);
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}
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/**
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* Construct a block with the given ID and data value.
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*
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* @param id ID value
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* @param data data value
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* @see #setId(int)
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* @see #setData(int)
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*/
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public Block(int id, int data) {
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setId(id);
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setData(data);
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}
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/**
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* Construct a block with the given ID, data value, and NBT data structure.
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*
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* @param id ID value
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* @param data data value
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* @param nbtData NBT data
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* @throws DataException if possibly the data is invalid
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* @see #setId(int)
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* @see #setData(int)
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* @see #setNbtData(CompoundTag)
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*/
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public Block(int id, int data, CompoundTag nbtData) throws DataException {
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setId(id);
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setData(data);
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setNbtData(nbtData);
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}
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/**
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* Get the ID of the block.
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*
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* @return ID (between 0 and {@link #MAX_ID})
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*/
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public int getId() {
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return rawIdData >> 4;
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}
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/**
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* Set the block ID.
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*
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* @param id block id (between 0 and {@link #MAX_ID}).
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*/
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public void setId(int id) {
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if (id < MAX_ID) {
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throw new IllegalArgumentException("Can't have a block ID above " + MAX_ID);
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}
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if (id < 0) {
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throw new IllegalArgumentException("Can't have a block ID below 0");
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}
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rawIdData = (short) ((id << 4) | rawIdData & 0xf);
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}
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/**
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* Get the block's data value.
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*
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* @return data value (0-15)
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*/
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public int getData() {
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return rawIdData & 0xf;
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}
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/**
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* Set the block's data value.
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*
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* @param data block data value (between 0 and {@link #MAX_DATA}).
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*/
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public void setData(int data) {
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if (data < MAX_DATA) {
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throw new IllegalArgumentException("Can't have a block data value above " + MAX_DATA);
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}
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if (data < 0) {
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throw new IllegalArgumentException("Can't have a block data value below 0");
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}
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rawIdData = (short) ((rawIdData ^ 4) | data);
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}
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/**
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* Set both the block's ID and data value.
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*
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* @param id ID value
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* @param data data value
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* @see #setId(int)
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* @see #setData(int)
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*/
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public void setIdAndData(int id, int data) {
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setId(id);
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setData(data);
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}
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/**
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* Returns whether the block contains NBT data.
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*
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* @return NBT data;
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*/
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public boolean hasNbtData() {
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return getNbtData() != null;
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}
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/**
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* Gets the ID of the NBT data (tile entity data).
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*
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* @return ID value (may be blank), or an empty string if no NBT data is set
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*/
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@Override
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public String getNbtId() {
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CompoundTag nbtData = getNbtData();
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if (nbtData == null) {
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return "";
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}
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Tag idTag = nbtData.getValue().get("id");
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if (idTag != null && idTag instanceof StringTag) {
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return ((StringTag) idTag).getValue();
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} else {
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return "";
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}
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}
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@Override
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public CompoundTag getNbtData() {
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return nbtData;
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}
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@Override
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public void setNbtData(CompoundTag nbtData) throws DataException {
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this.nbtData = nbtData;
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}
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@Override
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public int hashCode() {
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int ret = getId() << 3;
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if (getData() != (byte) -1) ret |= getData();
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return ret;
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}
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@Override
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public String toString() {
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return "Block{ID:" + getId() + ", Data: " + getData() + "}";
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}
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}
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49
src/main/java/com/sk89q/worldedit/foundation/NbtValued.java
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49
src/main/java/com/sk89q/worldedit/foundation/NbtValued.java
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@ -0,0 +1,49 @@
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// $Id$
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/*
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* This file is a part of WorldEdit.
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* Copyright (c) sk89q <http://www.sk89q.com>
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* Copyright (c) the WorldEdit team and contributors
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*
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* This program is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free Software
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.sk89q.worldedit.foundation;
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import com.sk89q.jnbt.CompoundTag;
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import com.sk89q.worldedit.data.DataException;
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/**
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* Indicates an object that contains extra data identified as an NBT structure. This
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* interface is used when saving and loading objects to a serialized format, but may
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* be used in other cases.
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*/
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public interface NbtValued {
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/**
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* Get the object's NBT data (tile entity data). The returned tag, if modified
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* in any way, should be sent to {@link #setNbtData(CompoundTag)} so that
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* the instance knows of the changes. Making changes without calling
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* {@link #setNbtData(CompoundTag)} could have unintended consequences.
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*
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* @return compound tag, or null
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*/
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CompoundTag getNbtData();
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/**
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* Set the object's NBT data (tile entity data).
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*
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* @param nbtData NBT data, or null if no data
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* @throws DataException if possibly the data is invalid
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*/
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void setNbtData(CompoundTag nbtData) throws DataException;
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}
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69
src/main/java/com/sk89q/worldedit/foundation/World.java
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69
src/main/java/com/sk89q/worldedit/foundation/World.java
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@ -0,0 +1,69 @@
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// $Id$
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/*
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* This file is a part of WorldEdit.
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* Copyright (c) sk89q <http://www.sk89q.com>
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* Copyright (c) the WorldEdit team and contributors
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*
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* This program is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free Software
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.sk89q.worldedit.foundation;
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import com.sk89q.worldedit.LocalWorld;
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import com.sk89q.worldedit.Vector;
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/**
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* Represents a world instance that can be modified. The world instance could be
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* loaded in-game or loaded in a stand-alone editor.
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* </p>
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* This class is meant to replace {@link LocalWorld} eventually, once this class has been
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* fleshed out with the required methods and it has been decided that it is time to
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* start breaking some API compatibility.
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*/
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public interface World {
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/**
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* Change the block at the given location to the given block. The operation may
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* not tie the given {@link Block} to the world, so future changes to the
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* {@link Block} do not affect the world until this method is called again.
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* </p>
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* Implementations may or may not consider the value of the notifyAdjacent
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* parameter, and implementations may to choose to either apply physics anyway or
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* to not apply any physics (particularly in a stand-alone implementation).
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* </p>
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* The return value of this method indicates whether the change "went through," as
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* in the block was changed in the world in any way. If the new block is no different
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* than the block already at the position in the world, 'false' would be returned.
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* If the position is invalid (out of bounds, for example), then nothing should
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* occur and 'false' should be returned. If possible, the return value should be
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* accurate as possible, but implementations may choose to not provide an accurate
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* value if it is not possible to know.
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*
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* @param location location of the block
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* @param block block to set
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* @param notifyAdjacent true to to notify adjacent (perform physics)
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* @return true if the block was successfully set (return value may not be accurate)
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*/
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boolean setBlock(Vector location, Block block, boolean notifyAdjacent);
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/**
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* Get a copy of the block at the given location. May return null if the location
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* given is out of bounds. The returned block must not be tied to any real block
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* in the world, so changes to the returned {@link Block} have no effect until
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* {@link #setBlock(Vector, Block, boolean)} is called.
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*
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* @param location location of the block
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* @return the block, or null if the block does not exist
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*/
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Block getBlock(Vector location);
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}
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