mirror of
https://github.com/EngineHub/WorldGuard.git
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362 lines
8.6 KiB
Java
362 lines
8.6 KiB
Java
// $Id$
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/*
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* WorldGuard
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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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package com.sk89q.worldguard.protection.regions;
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import com.sk89q.worldedit.BlockVector;
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import com.sk89q.worldedit.Vector;
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import com.sk89q.worldguard.LocalPlayer;
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import com.sk89q.worldguard.domains.DefaultDomain;
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import com.sk89q.worldguard.protection.UnsupportedIntersectionException;
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/**
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* Represents a region of any shape and size that can be protected.
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*
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* @author sk89q
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*/
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public abstract class ProtectedRegion implements Comparable<ProtectedRegion> {
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/**
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* Holds the region's ID.
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*/
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private String id;
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/**
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* Priority.
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*/
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private int priority = 0;
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/**
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* Holds the parent.
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*/
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private transient ProtectedRegion parent;
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/**
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* Holds the parent's Id. Used for serialization, don't touch it.
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*/
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private String parentId;
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/**
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* List of owners.
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*/
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private DefaultDomain owners = new DefaultDomain();
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/**
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* List of members.
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*/
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private DefaultDomain members = new DefaultDomain();
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/**
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* Area flags.
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*/
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private AreaFlags flags = new AreaFlags();
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/**
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* Area message.
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*/
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private String enterMessage;
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/**
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* Area message.
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*/
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private String leaveMessage;
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/**
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* Construct a new instance of this region.
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*
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* @param id
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*/
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public ProtectedRegion(String id) {
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this.id = id;
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}
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/**
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* @return the id
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*/
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public String getId() {
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return id;
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}
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/**
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* @return the parentId.
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*/
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public String getParentId() {
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this.setParentId();
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return parentId;
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}
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/**
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* @set the parentId. Used for serialization, don't touch it.
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*/
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public void setParentId() {
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if (this.parent != null) {
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this.parentId = parent.getId();
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} else {
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this.parentId = null;
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}
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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 abstract BlockVector getMinimumPoint();
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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 abstract BlockVector getMaximumPoint();
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/**
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* @return the priority
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*/
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public int getPriority() {
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return priority;
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}
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/**
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* @param priority the priority to set
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*/
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public void setPriority(int priority) {
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this.priority = priority;
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}
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/**
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* @return the parent
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*/
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public ProtectedRegion getParent() {
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return parent;
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}
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/**
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* Set the parent. This checks to make sure that it will not result
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* in circular inheritance.
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*
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* @param parent the parent to set
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* @throws CircularInheritanceException
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*/
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public void setParent(ProtectedRegion parent) throws CircularInheritanceException {
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if (parent == null) {
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this.parent = null;
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return;
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}
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if (parent == this) {
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throw new CircularInheritanceException();
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}
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ProtectedRegion p = parent.getParent();
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while (p != null) {
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if (p == this) {
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throw new CircularInheritanceException();
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}
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p = p.getParent();
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}
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this.parent = parent;
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}
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/**
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* Se flags.
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* @param flags
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*/
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public void setFlags(AreaFlags flags) {
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this.flags = flags;
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}
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/**
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* @return the enterMessage
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*/
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public String getEnterMessage() {
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return enterMessage;
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}
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/**
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* @param enterMessage the enterMessage to set
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*/
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public void setEnterMessage(String enterMessage) {
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this.enterMessage = enterMessage;
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}
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/**
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* @return the leaveMessage
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*/
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public String getLeaveMessage() {
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return leaveMessage;
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}
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/**
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* @param leaveMessage the leaveMessage to set
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*/
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public void setLeaveMessage(String leaveMessage) {
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this.leaveMessage = leaveMessage;
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}
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/**
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* @return the owners
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*/
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public DefaultDomain getOwners() {
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return owners;
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}
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/**
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* @param owners the owners to set
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*/
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public void setOwners(DefaultDomain owners) {
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this.owners = owners;
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}
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/**
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* @return the members
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*/
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public DefaultDomain getMembers() {
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return members;
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}
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/**
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* @param owners the owners to set
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*/
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public void setMembers(DefaultDomain members) {
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this.members = members;
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}
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/**
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* Checks whether a player is an owner of region or any of its parents.
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*
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* @param player
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* @return
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*/
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public boolean isOwner(LocalPlayer player) {
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if (owners.contains(player)) {
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return true;
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}
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ProtectedRegion parent = getParent();
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while (parent != null) {
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if (parent.getOwners().contains(player)) {
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return true;
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}
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parent = parent.getParent();
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}
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return false;
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}
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/**
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* Checks whether a player is a member of the region or any of its parents.
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*
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* @param player
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* @return
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*/
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public boolean isMember(LocalPlayer player) {
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if (owners.contains(player) || members.contains(player)) {
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return true;
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}
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ProtectedRegion parent = getParent();
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while (parent != null) {
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if (parent.getOwners().contains(player)
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|| parent.getMembers().contains(player)) {
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return true;
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}
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parent = parent.getParent();
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}
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return false;
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}
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/**
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* Get flags.
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*
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* @return
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*/
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public AreaFlags getFlags() {
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return flags;
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}
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/**
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* Check to see if a point is inside this region.
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*
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* @param pt
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* @return
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*/
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public abstract boolean contains(Vector pt);
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/**
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* Compares to another region.
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*
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* @param other
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* @return
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*/
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public int compareTo(ProtectedRegion other) {
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if (priority == other.priority) {
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return 0;
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} else if (priority > other.priority) {
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return -1;
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} else {
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return 1;
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}
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}
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/**
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* Return the type of region as a user-friendly, lowercase name.
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*
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* @return type of region
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*/
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public abstract String getTypeName();
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/**
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* Checks if two region intersects.
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*
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* @param region1
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* @param region2
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* @throws UnsupportedIntersectionException
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* @return
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*/
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public static boolean intersects(ProtectedRegion region1, ProtectedRegion region2)
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throws UnsupportedIntersectionException {
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if (region1 instanceof ProtectedCuboidRegion
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&& region2 instanceof ProtectedCuboidRegion) {
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ProtectedCuboidRegion r1 = (ProtectedCuboidRegion)region1;
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ProtectedCuboidRegion r2 = (ProtectedCuboidRegion)region2;
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BlockVector min1 = r1.getMinimumPoint();
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BlockVector max1 = r1.getMaximumPoint();
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BlockVector min2 = r2.getMinimumPoint();
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BlockVector max2 = r2.getMaximumPoint();
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return !(min1.getBlockX() > max2.getBlockX()
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|| min1.getBlockY() > max2.getBlockY()
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|| min1.getBlockZ() > max2.getBlockZ()
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|| max1.getBlockX() < min2.getBlockX()
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|| max1.getBlockY() < min2.getBlockY()
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|| max1.getBlockZ() < min2.getBlockZ());
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} else {
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throw new UnsupportedIntersectionException();
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}
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}
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/**
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* Thrown when setting a parent would create a circular inheritance
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* situation.
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*
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*/
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public static class CircularInheritanceException extends Exception {
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private static final long serialVersionUID = 7479613488496776022L;
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}
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}
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