/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldEdit team and contributors
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.regions.selector;
import com.sk89q.worldedit.*;
import com.sk89q.worldedit.extension.platform.Actor;
import com.sk89q.worldedit.internal.cui.*;
import com.sk89q.worldedit.regions.CylinderRegion;
import com.sk89q.worldedit.regions.Region;
import com.sk89q.worldedit.regions.RegionSelector;
import com.sk89q.worldedit.regions.selector.limit.SelectorLimits;
import com.sk89q.worldedit.world.World;
import javax.annotation.Nullable;
import java.text.NumberFormat;
import java.util.ArrayList;
import java.util.List;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Creates a {@code CylinderRegionSelector} from a user's selections.
*/
public class CylinderRegionSelector extends com.sk89q.worldedit.regions.CylinderRegionSelector implements RegionSelector, CUIRegion {
protected static transient final NumberFormat NUMBER_FORMAT;
protected transient CylinderRegion region;
static {
NUMBER_FORMAT = (NumberFormat) NumberFormat.getInstance().clone();
NUMBER_FORMAT.setMaximumFractionDigits(3);
}
/**
* Create a new region selector with a {@code null} world.
*/
public CylinderRegionSelector() {
this((World) null);
}
/**
* Create a new region selector.
*
* @param world the world, which may be {@code null}
*/
public CylinderRegionSelector(@Nullable World world) {
region = new CylinderRegion(world);
}
/**
* Create a new selector from the given one.
*
* @param oldSelector the old selector
*/
public CylinderRegionSelector(RegionSelector oldSelector) {
this(checkNotNull(oldSelector).getIncompleteRegion().getWorld());
if (oldSelector instanceof CylinderRegionSelector) {
final CylinderRegionSelector cylSelector = (CylinderRegionSelector) oldSelector;
region = new CylinderRegion(cylSelector.region);
} else {
final Region oldRegion;
try {
oldRegion = oldSelector.getRegion();
} catch (IncompleteRegionException e) {
return;
}
Vector pos1 = oldRegion.getMinimumPoint();
Vector pos2 = oldRegion.getMaximumPoint();
Vector center = pos1.add(pos2).divide(2).floor();
region.setCenter(center.toVector2D());
region.setRadius(pos2.toVector2D().subtract(center.toVector2D()));
region.setMaximumY(Math.max(pos1.getBlockY(), pos2.getBlockY()));
region.setMinimumY(Math.min(pos1.getBlockY(), pos2.getBlockY()));
}
}
/**
* Create a new selector.
*
* @param world the world
* @param center the center
* @param radius the radius
* @param minY the minimum Y
* @param maxY the maximum Y
*/
public CylinderRegionSelector(@Nullable World world, Vector2D center, Vector2D radius, int minY, int maxY) {
this(world);
region.setCenter(center);
region.setRadius(radius);
region.setMinimumY(Math.min(minY, maxY));
region.setMaximumY(Math.max(minY, maxY));
}
@Nullable
@Override
public World getWorld() {
return region.getWorld();
}
@Override
public void setWorld(@Nullable World world) {
region.setWorld(world);
}
@Override
public boolean selectPrimary(Vector position, SelectorLimits limits) {
if (!region.getCenter().equals(Vector.ZERO) && position.compareTo(region.getCenter()) == 0) {
return false;
}
region = new CylinderRegion(region.getWorld());
region.setCenter(position.toVector2D());
region.setY(position.getBlockY());
return true;
}
@Override
public boolean selectSecondary(Vector position, SelectorLimits limits) {
Vector center = region.getCenter();
if ((center.compareTo(Vector.ZERO)) == 0) {
return true;
}
final Vector2D diff = position.subtract(center).toVector2D();
final Vector2D minRadius = Vector2D.getMaximum(diff, diff.multiply(-1.0));
region.extendRadius(minRadius);
region.setY(position.getBlockY());
return true;
}
@Override
public void explainPrimarySelection(Actor player, LocalSession session, Vector pos) {
player.print("Starting a new cylindrical selection at " + pos + ".");
session.describeCUI(player);
}
@Override
public void explainSecondarySelection(Actor player, LocalSession session, Vector pos) {
Vector center = region.getCenter();
if (!center.equals(Vector.ZERO)) {
player.print("Radius set to " + NUMBER_FORMAT.format(region.getRadius().getX()) + "/" + NUMBER_FORMAT.format(region.getRadius().getZ()) + " blocks. (" + region.getArea() + ").");
} else {
player.printError("You must select the center point before setting the radius.");
return;
}
session.describeCUI(player);
}
@Override
public void explainRegionAdjust(Actor player, LocalSession session) {
session.describeCUI(player);
}
@Override
public BlockVector getPrimaryPosition() throws IncompleteRegionException {
if (!isDefined()) {
throw new IncompleteRegionException();
}
return region.getCenter().toBlockVector();
}
@Override
public CylinderRegion getRegion() throws IncompleteRegionException {
if (!isDefined()) {
throw new IncompleteRegionException();
}
return region;
}
@Override
public CylinderRegion getIncompleteRegion() {
return region;
}
@Override
public boolean isDefined() {
return !region.getRadius().equals(Vector2D.ZERO);
}
@Override
public void learnChanges() {
}
@Override
public void clear() {
region = new CylinderRegion(region.getWorld());
}
@Override
public String getTypeName() {
return "Cylinder";
}
@Override
public List<String> getInformationLines() {
final List<String> lines = new ArrayList<String>();
if (!region.getCenter().equals(Vector.ZERO)) {
lines.add("Center: " + region.getCenter());
}
if (!region.getRadius().equals(Vector2D.ZERO)) {
lines.add("Radius: " + region.getRadius());
}
return lines;
}
@Override
public int getArea() {
return region.getArea();
}
@Override
public void describeCUI(LocalSession session, Actor player) {
session.dispatchCUIEvent(player, new SelectionCylinderEvent(region.getCenter(), region.getRadius()));
session.dispatchCUIEvent(player, new SelectionMinMaxEvent(region.getMinimumY(), region.getMaximumY()));
}
@Override
public void describeLegacyCUI(LocalSession session, Actor player) {
if (isDefined()) {
session.dispatchCUIEvent(player, new SelectionPointEvent(0, region.getMinimumPoint(), getArea()));
session.dispatchCUIEvent(player, new SelectionPointEvent(1, region.getMaximumPoint(), getArea()));
}
}
@Override
public int getProtocolVersion() {
return 1;
}
@Override
public String getTypeID() {
return "cylinder";
}
@Override
public String getLegacyTypeID() {
return "cuboid";
}
}