mirror of
https://github.com/plexusorg/Plex-FAWE.git
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414 lines
12 KiB
Java
414 lines
12 KiB
Java
// $Id$
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/*
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* WorldEdit
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* Copyright (C) 2010 sk89q <http://www.sk89q.com> and contributors
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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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package com.sk89q.worldedit.regions;
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import com.sk89q.worldedit.BlockVector;
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import com.sk89q.worldedit.BlockVector2D;
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import com.sk89q.worldedit.LocalWorld;
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import com.sk89q.worldedit.Vector;
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import com.sk89q.worldedit.Vector2D;
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import com.sk89q.worldedit.data.ChunkStore;
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import java.util.Iterator;
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import java.util.Set;
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import java.util.HashSet;
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/**
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*
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* @author sk89q
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*/
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public class CuboidRegion extends AbstractRegion implements FlatRegion {
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/**
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* Store the first point.
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*/
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private Vector pos1;
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/**
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* Store the second point.
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*/
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private Vector pos2;
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/**
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* Construct a new instance of this cuboid region.
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*
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* @param pos1
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* @param pos2
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*/
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public CuboidRegion(Vector pos1, Vector pos2) {
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this(null, pos1, pos2);
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}
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/**
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* Construct a new instance of this cuboid region.
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*
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* @param world
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* @param pos1
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* @param pos2
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*/
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public CuboidRegion(LocalWorld world, Vector pos1, Vector pos2) {
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super(world);
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this.pos1 = pos1;
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this.pos2 = pos2;
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recalculate();
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}
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/**
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* Get the lower point of the cuboid.
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*
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* @return min point
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*/
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public Vector getMinimumPoint() {
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return new Vector(Math.min(pos1.getX(), pos2.getX()),
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Math.min(pos1.getY(), pos2.getY()),
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Math.min(pos1.getZ(), pos2.getZ()));
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}
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/**
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* Get the upper point of the cuboid.
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*
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* @return max point
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*/
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public Vector getMaximumPoint() {
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return new Vector(Math.max(pos1.getX(), pos2.getX()),
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Math.max(pos1.getY(), pos2.getY()),
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Math.max(pos1.getZ(), pos2.getZ()));
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}
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public int getMinimumY() {
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return Math.min(pos1.getBlockY(), pos2.getBlockY());
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}
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public int getMaximumY() {
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return Math.max(pos1.getBlockY(), pos2.getBlockY());
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}
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/**
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* Expands the cuboid in a direction.
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*
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* @param change
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*/
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public void expand(Vector... changes) {
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for (Vector change : changes) {
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if (change.getX() > 0) {
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if (Math.max(pos1.getX(), pos2.getX()) == pos1.getX()) {
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pos1 = pos1.add(new Vector(change.getX(), 0, 0));
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} else {
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pos2 = pos2.add(new Vector(change.getX(), 0, 0));
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}
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} else {
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if (Math.min(pos1.getX(), pos2.getX()) == pos1.getX()) {
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pos1 = pos1.add(new Vector(change.getX(), 0, 0));
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} else {
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pos2 = pos2.add(new Vector(change.getX(), 0, 0));
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}
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}
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if (change.getY() > 0) {
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if (Math.max(pos1.getY(), pos2.getY()) == pos1.getY()) {
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pos1 = pos1.add(new Vector(0, change.getY(), 0));
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} else {
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pos2 = pos2.add(new Vector(0, change.getY(), 0));
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}
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} else {
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if (Math.min(pos1.getY(), pos2.getY()) == pos1.getY()) {
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pos1 = pos1.add(new Vector(0, change.getY(), 0));
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} else {
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pos2 = pos2.add(new Vector(0, change.getY(), 0));
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}
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}
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if (change.getZ() > 0) {
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if (Math.max(pos1.getZ(), pos2.getZ()) == pos1.getZ()) {
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pos1 = pos1.add(new Vector(0, 0, change.getZ()));
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} else {
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pos2 = pos2.add(new Vector(0, 0, change.getZ()));
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}
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} else {
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if (Math.min(pos1.getZ(), pos2.getZ()) == pos1.getZ()) {
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pos1 = pos1.add(new Vector(0, 0, change.getZ()));
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} else {
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pos2 = pos2.add(new Vector(0, 0, change.getZ()));
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}
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}
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}
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recalculate();
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}
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/**
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* Contracts the cuboid in a direction.
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*
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* @param change
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*/
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public void contract(Vector... changes) {
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for (Vector change : changes) {
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if (change.getX() < 0) {
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if (Math.max(pos1.getX(), pos2.getX()) == pos1.getX()) {
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pos1 = pos1.add(new Vector(change.getX(), 0, 0));
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} else {
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pos2 = pos2.add(new Vector(change.getX(), 0, 0));
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}
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} else {
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if (Math.min(pos1.getX(), pos2.getX()) == pos1.getX()) {
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pos1 = pos1.add(new Vector(change.getX(), 0, 0));
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} else {
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pos2 = pos2.add(new Vector(change.getX(), 0, 0));
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}
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}
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if (change.getY() < 0) {
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if (Math.max(pos1.getY(), pos2.getY()) == pos1.getY()) {
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pos1 = pos1.add(new Vector(0, change.getY(), 0));
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} else {
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pos2 = pos2.add(new Vector(0, change.getY(), 0));
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}
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} else {
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if (Math.min(pos1.getY(), pos2.getY()) == pos1.getY()) {
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pos1 = pos1.add(new Vector(0, change.getY(), 0));
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} else {
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pos2 = pos2.add(new Vector(0, change.getY(), 0));
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}
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}
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if (change.getZ() < 0) {
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if (Math.max(pos1.getZ(), pos2.getZ()) == pos1.getZ()) {
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pos1 = pos1.add(new Vector(0, 0, change.getZ()));
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} else {
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pos2 = pos2.add(new Vector(0, 0, change.getZ()));
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}
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} else {
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if (Math.min(pos1.getZ(), pos2.getZ()) == pos1.getZ()) {
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pos1 = pos1.add(new Vector(0, 0, change.getZ()));
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} else {
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pos2 = pos2.add(new Vector(0, 0, change.getZ()));
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}
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}
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}
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recalculate();
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}
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private void recalculate() {
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pos1 = pos1.clampY(0, world == null ? 255 : world.getMaxY());
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pos2 = pos2.clampY(0, world == null ? 255 : world.getMaxY());
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}
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@Override
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public void shift(Vector change) throws RegionOperationException {
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pos1 = pos1.add(change);
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pos2 = pos2.add(change);
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recalculate();
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}
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/**
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* Get position 1.
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*
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* @return position 1
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*/
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public Vector getPos1() {
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return pos1;
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}
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/**
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* Set position 1.
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*
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* @param pos1
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*/
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public void setPos1(Vector pos1) {
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this.pos1 = pos1;
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}
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/**
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* Get position 2.
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*
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* @return position 2
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*/
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public Vector getPos2() {
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return pos2;
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}
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/**
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* Set position 2.
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*
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* @param pos2
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*/
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public void setPos2(Vector pos2) {
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this.pos2 = pos2;
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}
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/**
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* Get a list of chunks that this region is within.
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*
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* @return
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*/
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public Set<Vector2D> getChunks() {
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Set<Vector2D> chunks = new HashSet<Vector2D>();
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Vector min = getMinimumPoint();
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Vector max = getMaximumPoint();
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for (int x = min.getBlockX(); x <= max.getBlockX(); ++x) {
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for (int z = min.getBlockZ(); z <= max.getBlockZ(); ++z) {
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chunks.add(new BlockVector2D(x >> ChunkStore.CHUNK_SHIFTS,
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z >> ChunkStore.CHUNK_SHIFTS));
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}
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}
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return chunks;
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}
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public Set<Vector> getChunkCubes() {
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Set<Vector> chunks = new HashSet<Vector>();
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Vector min = getMinimumPoint();
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Vector max = getMaximumPoint();
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for (int x = min.getBlockX(); x <= max.getBlockX(); ++x) {
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for (int y = min.getBlockY(); y <= max.getBlockY(); ++y) {
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for (int z = min.getBlockZ(); z <= max.getBlockZ(); ++z) {
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chunks.add(new BlockVector(x >> ChunkStore.CHUNK_SHIFTS,
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y >> ChunkStore.CHUNK_SHIFTS, z >> ChunkStore.CHUNK_SHIFTS));
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}
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}
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}
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return chunks;
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}
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/**
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* Returns true based on whether the region contains the point,
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*
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* @param pt
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*/
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public boolean contains(Vector pt) {
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double x = pt.getX();
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double y = pt.getY();
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double z = pt.getZ();
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Vector min = getMinimumPoint();
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Vector max = getMaximumPoint();
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return x >= min.getBlockX() && x <= max.getBlockX()
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&& y >= min.getBlockY() && y <= max.getBlockY()
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&& z >= min.getBlockZ() && z <= max.getBlockZ();
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}
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/**
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* Get the iterator.
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*
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* @return iterator of points inside the region
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*/
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@Override
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public Iterator<BlockVector> iterator() {
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return new Iterator<BlockVector>() {
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private Vector min = getMinimumPoint();
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private Vector max = getMaximumPoint();
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private int nextX = min.getBlockX();
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private int nextY = min.getBlockY();
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private int nextZ = min.getBlockZ();
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public boolean hasNext() {
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return (nextX != Integer.MIN_VALUE);
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}
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public BlockVector next() {
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if (!hasNext()) throw new java.util.NoSuchElementException();
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BlockVector answer = new BlockVector(nextX, nextY, nextZ);
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if (++nextX > max.getBlockX()) {
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nextX = min.getBlockX();
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if (++nextY > max.getBlockY()) {
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nextY = min.getBlockY();
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if (++nextZ > max.getBlockZ()) {
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nextX = Integer.MIN_VALUE;
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}
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}
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}
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return answer;
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}
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public void remove() {
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throw new UnsupportedOperationException();
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}
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};
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}
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@Override
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public Iterable<Vector2D> asFlatRegion() {
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return new Iterable<Vector2D>() {
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@Override
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public Iterator<Vector2D> iterator() {
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return new Iterator<Vector2D>() {
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private Vector min = getMinimumPoint();
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private Vector max = getMaximumPoint();
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private int nextX = min.getBlockX();
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private int nextZ = min.getBlockZ();
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public boolean hasNext() {
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return (nextX != Integer.MIN_VALUE);
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}
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public Vector2D next() {
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if (!hasNext()) throw new java.util.NoSuchElementException();
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Vector2D answer = new Vector2D(nextX, nextZ);
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if (++nextX > max.getBlockX()) {
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nextX = min.getBlockX();
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if (++nextZ > max.getBlockZ()) {
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nextX = Integer.MIN_VALUE;
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}
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}
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return answer;
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}
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@Override
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public void remove() {
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throw new UnsupportedOperationException();
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}
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};
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}
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};
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}
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/**
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* Returns string representation in the format
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* "(minX, minY, minZ) - (maxX, maxY, maxZ)".
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*
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* @return string
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*/
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@Override
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public String toString() {
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return getMinimumPoint() + " - " + getMaximumPoint();
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}
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public CuboidRegion clone() {
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return (CuboidRegion) super.clone();
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}
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/**
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* Make a cuboid region out of the given region using the minimum and maximum
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* bounds of the provided region.
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*
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* @param region the region
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* @return a new cuboid region
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*/
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public static CuboidRegion makeCuboid(Region region) {
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return new CuboidRegion(region.getMinimumPoint(), region.getMaximumPoint());
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}
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}
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