mirror of
https://github.com/plexusorg/Plex-FAWE.git
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295 lines
9.7 KiB
Java
295 lines
9.7 KiB
Java
// $Id$
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/*
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* WorldEdit
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* Copyright (C) 2010 sk89q <http://www.sk89q.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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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 General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import org.jnbt.*;
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import java.io.*;
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import java.util.Map;
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import java.util.HashMap;
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import java.util.ArrayList;
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import com.sk89q.worldedit.*;
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/**
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*
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* @author Albert
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*/
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public class CuboidClipboard {
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private int[][][] data;
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private Point min;
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private Point max;
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private Point origin;
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/**
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* Constructs the region instance. The minimum and maximum points must be
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* the respective minimum and maximum numbers!
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*
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* @param min
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* @param max
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* @param origin
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*/
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public CuboidClipboard(Point min, Point max, Point origin) {
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this.min = min;
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this.max = max;
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this.origin = origin;
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data = new int[(int)((max.getX()) - min.getX() + 1)]
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[(int)(max.getY() - min.getY() + 1)]
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[(int)(max.getZ() - min.getZ() + 1)];
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}
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/**
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* Get the width (X-direction) of the clipboard.
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*
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* @return width
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*/
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public int getWidth() {
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return (int)(max.getX() - min.getX() + 1);
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}
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/**
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* Get the length (Z-direction) of the clipboard.
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*
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* @return length
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*/
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public int getLength() {
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return (int)(max.getZ() - min.getZ() + 1);
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}
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/**
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* Get the height (Y-direction) of the clipboard.
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*
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* @return height
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*/
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public int getHeight() {
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return (int)(max.getY() - min.getY() + 1);
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}
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/**
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* Copy to the clipboard.
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*
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* @param editSession
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*/
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public void copy(EditSession editSession) {
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for (int x = (int)min.getX(); x <= (int)max.getX(); x++) {
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for (int y = (int)min.getY(); y <= (int)max.getY(); y++) {
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for (int z = (int)min.getZ(); z <= (int)max.getZ(); z++) {
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data[x - (int)min.getX()][y - (int)min.getY()][z - (int)min.getZ()] =
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editSession.getBlock(x, y, z);
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}
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}
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}
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}
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/**
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* Paste from the clipboard.
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*
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* @param editSession
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* @param newOrigin Position to paste it from
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* @param noAir True to not paste air
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* @throws MaxChangedBlocksException
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*/
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public void paste(EditSession editSession, Point newOrigin, boolean noAir)
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throws MaxChangedBlocksException {
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int offsetX = (int)(min.getX() - origin.getX() + newOrigin.getX());
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int offsetY = (int)(min.getY() - origin.getY() + newOrigin.getY());
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int offsetZ = (int)(min.getZ() - origin.getZ() + newOrigin.getZ());
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place(editSession, offsetX, offsetY, offsetZ, noAir);
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}
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/**
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* Places the blocks in a position from the minimum corner.
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*
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* @param editSession
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* @param offsetX
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* @param offsetY
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* @param offsetZ
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* @param noAir
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* @throws MaxChangedBlocksException
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*/
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public void place(EditSession editSession, int offsetX,
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int offsetY, int offsetZ, boolean noAir)
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throws MaxChangedBlocksException {
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int xs = getWidth();
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int ys = getHeight();
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int zs = getLength();
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for (int x = 0; x < xs; x++) {
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for (int y = 0; y < ys; y++) {
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for (int z = 0; z < zs; z++) {
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if (noAir && data[x][y][z] == 0) { continue; }
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editSession.setBlock(x + offsetX, y + offsetY, z + offsetZ,
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data[x][y][z]);
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}
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}
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}
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}
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/**
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* Stack the clipboard in a certain direction a certain number of
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* times.
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*
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* @param editSession
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* @param xm
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* @param ym
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* @param zm
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* @param count
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* @param noAir
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* @param moveOrigin move the origin
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* @throws MaxChangedBlocksException
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*/
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public void stack(EditSession editSession, int xm, int ym, int zm, short count,
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boolean noAir, boolean moveOrigin) throws MaxChangedBlocksException {
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int xs = getWidth();
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int ys = getHeight();
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int zs = getLength();
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int offsetX = (int)min.getX();
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int offsetY = (int)min.getY();
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int offsetZ = (int)min.getZ();
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for (short i = 1; i <= count; i++) {
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place(editSession, offsetX + xm * xs, offsetY + ym * ys,
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offsetZ + zm * zs, noAir);
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}
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if (moveOrigin) {
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min = new Point((int)offsetX + xm * count,
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(int)offsetY + ym * count,
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(int)offsetZ + zm * count);
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}
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}
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/**
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* Saves the clipboard data to a .schematic-format file.
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*
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* @param path
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* @throws IOException
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* @throws SchematicException
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*/
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public void saveSchematic(String path) throws IOException, SchematicException {
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int xs = getWidth();
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int ys = getHeight();
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int zs = getLength();
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if (xs > 65535) {
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throw new SchematicException("Width of region too large for a .schematic");
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}
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if (ys > 65535) {
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throw new SchematicException("Height of region too large for a .schematic");
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}
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if (zs > 65535) {
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throw new SchematicException("Length of region too large for a .schematic");
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}
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HashMap<String,Tag> schematic = new HashMap<String,Tag>();
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schematic.put("Width", new ShortTag("Width", (short)xs));
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schematic.put("Length", new ShortTag("Length", (short)zs));
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schematic.put("Height", new ShortTag("Height", (short)ys));
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schematic.put("Materials", new StringTag("Materials", "Alpha"));
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// Copy blocks
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byte[] blocks = new byte[xs * ys * zs];
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for (int x = 0; x < xs; x++) {
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for (int y = 0; y < ys; y++) {
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for (int z = 0; z < zs; z++) {
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int index = y * xs * zs + z * xs + x;
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blocks[index] = (byte)data[x][y][z];
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}
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}
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}
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schematic.put("Blocks", new ByteArrayTag("Blocks", blocks));
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// Current data is not supported
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byte[] data = new byte[xs * ys * zs];
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schematic.put("Data", new ByteArrayTag("Data", data));
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// These are not stored either
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schematic.put("Entities", new ListTag("Entities", CompoundTag.class, new ArrayList<Tag>()));
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schematic.put("TileEntities", new ListTag("TileEntities", CompoundTag.class, new ArrayList<Tag>()));
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// Build and output
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CompoundTag schematicTag = new CompoundTag("Schematic", schematic);
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NBTOutputStream stream = new NBTOutputStream(new FileOutputStream(path));
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stream.writeTag(schematicTag);
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stream.close();
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}
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/**
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* Load a .schematic file into a clipboard.
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*
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* @param path
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* @param origin
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* @return clipboard
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* @throws SchematicException
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* @throws IOException
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*/
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public static CuboidClipboard loadSchematic(String path, Point origin)
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throws SchematicException, IOException {
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FileInputStream stream = new FileInputStream(path);
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NBTInputStream nbtStream = new NBTInputStream(stream);
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CompoundTag schematicTag = (CompoundTag)nbtStream.readTag();
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if (!schematicTag.getName().equals("Schematic")) {
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throw new SchematicException("Tag \"Schematic\" does not exist or is not first");
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}
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Map<String,Tag> schematic = schematicTag.getValue();
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if (!schematic.containsKey("Blocks")) {
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throw new SchematicException("Schematic file is missing a \"Blocks\" tag");
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}
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short xs = (Short)getChildTag(schematic, "Width", ShortTag.class).getValue();
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short zs = (Short)getChildTag(schematic, "Length", ShortTag.class).getValue();
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short ys = (Short)getChildTag(schematic, "Height", ShortTag.class).getValue();
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String materials = (String)getChildTag(schematic, "Materials", StringTag.class).getValue();
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if (!materials.equals("Alpha")) {
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throw new SchematicException("Schematic file is not an Alpha schematic");
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}
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byte[] blocks = (byte[])getChildTag(schematic, "Blocks", ByteArrayTag.class).getValue();
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Point min = origin;
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Point max = new Point(
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origin.getX() + xs - 1,
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origin.getY() + ys - 1,
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origin.getZ() + zs - 1
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);
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CuboidClipboard clipboard = new CuboidClipboard(min, max, origin);
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for (int x = 0; x < xs; x++) {
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for (int y = 0; y < ys; y++) {
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for (int z = 0; z < zs; z++) {
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int index = y * xs * zs + z * xs + x;
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clipboard.data[x][y][z] = blocks[index];
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}
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}
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}
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return clipboard;
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}
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private static Tag getChildTag(Map<String,Tag> items, String key, Class expected)
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throws SchematicException {
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if (!items.containsKey(key)) {
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throw new SchematicException("Schematic file is missing a \"" + key + "\" tag");
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}
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Tag tag = items.get(key);
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if (!expected.isInstance(tag)) {
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throw new SchematicException(
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key + " tag is not of tag type " + expected.getName());
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}
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return tag;
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}
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}
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