Plex-FAWE/src/main/java/com/sk89q/worldedit/regions/CuboidRegion.java
sk89q 24f8fbc92a Converted API over to use new World.
This breaks backwards compatibility for all getWorld() methods, but
shim methods were added for binary compatibility with method calls that
use LocalWorld.
2014-04-05 03:04:21 -07:00

454 lines
14 KiB
Java

/*
* 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;
import com.sk89q.worldedit.*;
import com.sk89q.worldedit.world.World;
import com.sk89q.worldedit.world.storage.ChunkStore;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* An axis-aligned cuboid. It can be defined using two corners of the cuboid.
*/
public class CuboidRegion extends AbstractRegion implements FlatRegion {
private Vector pos1;
private Vector pos2;
/**
* Construct a new instance of this cuboid using two corners of the cuboid.
*
* @param pos1 the first position
* @param pos2 the second position
*/
public CuboidRegion(Vector pos1, Vector pos2) {
this(null, pos1, pos2);
}
@Deprecated
public CuboidRegion(LocalWorld world, Vector pos1, Vector pos2) {
this((World) world, pos1, pos2);
}
/**
* Construct a new instance of this cuboid using two corners of the cuboid.
*
* @param world the world
* @param pos1 the first position
* @param pos2 the second position
*/
public CuboidRegion(World world, Vector pos1, Vector pos2) {
super(world);
checkNotNull(pos1);
checkNotNull(pos2);
this.pos1 = pos1;
this.pos2 = pos2;
recalculate();
}
/**
* Get the first cuboid-defining corner.
*
* @return a position
*/
public Vector getPos1() {
return pos1;
}
/**
* Set the first cuboid-defining corner.
*
* @param pos1 a position
*/
public void setPos1(Vector pos1) {
this.pos1 = pos1;
}
/**
* Get the second cuboid-defining corner.
*
* @return a position
*/
public Vector getPos2() {
return pos2;
}
/**
* Set the second cuboid-defining corner.
*
* @param pos2 a position
*/
public void setPos2(Vector pos2) {
this.pos2 = pos2;
}
/**
* Clamps the cuboid according to boundaries of the world.
*/
private void recalculate() {
pos1 = pos1.clampY(0, world == null ? 255 : world.getMaxY());
pos2 = pos2.clampY(0, world == null ? 255 : world.getMaxY());
}
/**
* Get a region that contains the faces of this cuboid.
*
* @return a new complex region
*/
public Region getFaces() {
Vector min = getMinimumPoint();
Vector max = getMaximumPoint();
return new RegionIntersection(
// Project to Z-Y plane
new CuboidRegion(pos1.setX(min.getX()), pos2.setX(min.getX())),
new CuboidRegion(pos1.setX(max.getX()), pos2.setX(max.getX())),
// Project to X-Y plane
new CuboidRegion(pos1.setZ(min.getZ()), pos2.setZ(min.getZ())),
new CuboidRegion(pos1.setZ(max.getZ()), pos2.setZ(max.getZ())),
// Project to the X-Z plane
new CuboidRegion(pos1.setY(min.getY()), pos2.setY(min.getY())),
new CuboidRegion(pos1.setY(max.getY()), pos2.setY(max.getY())));
}
/**
* Get a region that contains the walls (all faces but the ones parallel to
* the X-Z plane) of this cuboid.
*
* @return a new complex region
*/
public Region getWalls() {
Vector min = getMinimumPoint();
Vector max = getMaximumPoint();
return new RegionIntersection(
// Project to Z-Y plane
new CuboidRegion(pos1.setX(min.getX()), pos2.setX(min.getX())),
new CuboidRegion(pos1.setX(max.getX()), pos2.setX(max.getX())),
// Project to X-Y plane
new CuboidRegion(pos1.setZ(min.getZ()), pos2.setZ(min.getZ())),
new CuboidRegion(pos1.setZ(max.getZ()), pos2.setZ(max.getZ())));
}
@Override
public Vector getMinimumPoint() {
return new Vector(Math.min(pos1.getX(), pos2.getX()),
Math.min(pos1.getY(), pos2.getY()),
Math.min(pos1.getZ(), pos2.getZ()));
}
@Override
public Vector getMaximumPoint() {
return new Vector(Math.max(pos1.getX(), pos2.getX()),
Math.max(pos1.getY(), pos2.getY()),
Math.max(pos1.getZ(), pos2.getZ()));
}
@Override
public int getMinimumY() {
return Math.min(pos1.getBlockY(), pos2.getBlockY());
}
@Override
public int getMaximumY() {
return Math.max(pos1.getBlockY(), pos2.getBlockY());
}
@Override
public void expand(Vector... changes) {
checkNotNull(changes);
for (Vector change : changes) {
if (change.getX() > 0) {
if (Math.max(pos1.getX(), pos2.getX()) == pos1.getX()) {
pos1 = pos1.add(new Vector(change.getX(), 0, 0));
} else {
pos2 = pos2.add(new Vector(change.getX(), 0, 0));
}
} else {
if (Math.min(pos1.getX(), pos2.getX()) == pos1.getX()) {
pos1 = pos1.add(new Vector(change.getX(), 0, 0));
} else {
pos2 = pos2.add(new Vector(change.getX(), 0, 0));
}
}
if (change.getY() > 0) {
if (Math.max(pos1.getY(), pos2.getY()) == pos1.getY()) {
pos1 = pos1.add(new Vector(0, change.getY(), 0));
} else {
pos2 = pos2.add(new Vector(0, change.getY(), 0));
}
} else {
if (Math.min(pos1.getY(), pos2.getY()) == pos1.getY()) {
pos1 = pos1.add(new Vector(0, change.getY(), 0));
} else {
pos2 = pos2.add(new Vector(0, change.getY(), 0));
}
}
if (change.getZ() > 0) {
if (Math.max(pos1.getZ(), pos2.getZ()) == pos1.getZ()) {
pos1 = pos1.add(new Vector(0, 0, change.getZ()));
} else {
pos2 = pos2.add(new Vector(0, 0, change.getZ()));
}
} else {
if (Math.min(pos1.getZ(), pos2.getZ()) == pos1.getZ()) {
pos1 = pos1.add(new Vector(0, 0, change.getZ()));
} else {
pos2 = pos2.add(new Vector(0, 0, change.getZ()));
}
}
}
recalculate();
}
@Override
public void contract(Vector... changes) {
checkNotNull(changes);
for (Vector change : changes) {
if (change.getX() < 0) {
if (Math.max(pos1.getX(), pos2.getX()) == pos1.getX()) {
pos1 = pos1.add(new Vector(change.getX(), 0, 0));
} else {
pos2 = pos2.add(new Vector(change.getX(), 0, 0));
}
} else {
if (Math.min(pos1.getX(), pos2.getX()) == pos1.getX()) {
pos1 = pos1.add(new Vector(change.getX(), 0, 0));
} else {
pos2 = pos2.add(new Vector(change.getX(), 0, 0));
}
}
if (change.getY() < 0) {
if (Math.max(pos1.getY(), pos2.getY()) == pos1.getY()) {
pos1 = pos1.add(new Vector(0, change.getY(), 0));
} else {
pos2 = pos2.add(new Vector(0, change.getY(), 0));
}
} else {
if (Math.min(pos1.getY(), pos2.getY()) == pos1.getY()) {
pos1 = pos1.add(new Vector(0, change.getY(), 0));
} else {
pos2 = pos2.add(new Vector(0, change.getY(), 0));
}
}
if (change.getZ() < 0) {
if (Math.max(pos1.getZ(), pos2.getZ()) == pos1.getZ()) {
pos1 = pos1.add(new Vector(0, 0, change.getZ()));
} else {
pos2 = pos2.add(new Vector(0, 0, change.getZ()));
}
} else {
if (Math.min(pos1.getZ(), pos2.getZ()) == pos1.getZ()) {
pos1 = pos1.add(new Vector(0, 0, change.getZ()));
} else {
pos2 = pos2.add(new Vector(0, 0, change.getZ()));
}
}
}
recalculate();
}
@Override
public void shift(Vector change) throws RegionOperationException {
pos1 = pos1.add(change);
pos2 = pos2.add(change);
recalculate();
}
@Override
public Set<Vector2D> getChunks() {
Set<Vector2D> chunks = new HashSet<Vector2D>();
Vector min = getMinimumPoint();
Vector max = getMaximumPoint();
for (int x = min.getBlockX(); x <= max.getBlockX(); ++x) {
for (int z = min.getBlockZ(); z <= max.getBlockZ(); ++z) {
chunks.add(new BlockVector2D(x >> ChunkStore.CHUNK_SHIFTS,
z >> ChunkStore.CHUNK_SHIFTS));
}
}
return chunks;
}
@Override
public Set<Vector> getChunkCubes() {
Set<Vector> chunks = new HashSet<Vector>();
Vector min = getMinimumPoint();
Vector max = getMaximumPoint();
for (int x = min.getBlockX(); x <= max.getBlockX(); ++x) {
for (int y = min.getBlockY(); y <= max.getBlockY(); ++y) {
for (int z = min.getBlockZ(); z <= max.getBlockZ(); ++z) {
chunks.add(new BlockVector(x >> ChunkStore.CHUNK_SHIFTS,
y >> ChunkStore.CHUNK_SHIFTS, z >> ChunkStore.CHUNK_SHIFTS));
}
}
}
return chunks;
}
@Override
public boolean contains(Vector pt) {
double x = pt.getX();
double y = pt.getY();
double z = pt.getZ();
Vector min = getMinimumPoint();
Vector max = getMaximumPoint();
return x >= min.getBlockX() && x <= max.getBlockX()
&& y >= min.getBlockY() && y <= max.getBlockY()
&& z >= min.getBlockZ() && z <= max.getBlockZ();
}
@Override
public Iterator<BlockVector> iterator() {
return new Iterator<BlockVector>() {
private Vector min = getMinimumPoint();
private Vector max = getMaximumPoint();
private int nextX = min.getBlockX();
private int nextY = min.getBlockY();
private int nextZ = min.getBlockZ();
@Override
public boolean hasNext() {
return (nextX != Integer.MIN_VALUE);
}
@Override
public BlockVector next() {
if (!hasNext()) throw new java.util.NoSuchElementException();
BlockVector answer = new BlockVector(nextX, nextY, nextZ);
if (++nextX > max.getBlockX()) {
nextX = min.getBlockX();
if (++nextY > max.getBlockY()) {
nextY = min.getBlockY();
if (++nextZ > max.getBlockZ()) {
nextX = Integer.MIN_VALUE;
}
}
}
return answer;
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
};
}
@Override
public Iterable<Vector2D> asFlatRegion() {
return new Iterable<Vector2D>() {
@Override
public Iterator<Vector2D> iterator() {
return new Iterator<Vector2D>() {
private Vector min = getMinimumPoint();
private Vector max = getMaximumPoint();
private int nextX = min.getBlockX();
private int nextZ = min.getBlockZ();
@Override
public boolean hasNext() {
return (nextX != Integer.MIN_VALUE);
}
@Override
public Vector2D next() {
if (!hasNext()) throw new java.util.NoSuchElementException();
Vector2D answer = new Vector2D(nextX, nextZ);
if (++nextX > max.getBlockX()) {
nextX = min.getBlockX();
if (++nextZ > max.getBlockZ()) {
nextX = Integer.MIN_VALUE;
}
}
return answer;
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
};
}
};
}
@Override
public String toString() {
return getMinimumPoint() + " - " + getMaximumPoint();
}
@Override
public CuboidRegion clone() {
return (CuboidRegion) super.clone();
}
/**
* Make a cuboid region out of the given region using the minimum and maximum
* bounds of the provided region.
*
* @param region the region
* @return a new cuboid region
*/
public static CuboidRegion makeCuboid(Region region) {
checkNotNull(region);
return new CuboidRegion(region.getMinimumPoint(), region.getMaximumPoint());
}
/**
* Make a cuboid from the center.
*
* @param origin the origin
* @param apothem the apothem, where 0 is the minimum value to make a 1x1 cuboid
* @return a cuboid region
*/
public static CuboidRegion fromCenter(Vector origin, int apothem) {
checkNotNull(origin);
checkArgument(apothem >= 0, "apothem => 0 required");
Vector size = new Vector(1, 1, 1).multiply(apothem);
return new CuboidRegion(origin.subtract(size), origin.add(size));
}
}