mirror of
https://github.com/plexusorg/Plex-FAWE.git
synced 2024-09-06 07:48:20 +00:00
104 lines
2.7 KiB
Java
104 lines
2.7 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.iterator;
|
|
|
|
import static com.google.common.base.Preconditions.checkNotNull;
|
|
|
|
import com.sk89q.worldedit.math.BlockVector3;
|
|
import com.sk89q.worldedit.regions.Region;
|
|
|
|
import java.util.Iterator;
|
|
|
|
public class RegionIterator implements Iterator<BlockVector3> {
|
|
|
|
private final Region region;
|
|
private final int maxX;
|
|
private final int maxY;
|
|
private final int maxZ;
|
|
private final BlockVector3 min;
|
|
private int nextX;
|
|
private int nextY;
|
|
private int nextZ;
|
|
|
|
public RegionIterator(Region region) {
|
|
checkNotNull(region);
|
|
|
|
this.region = region;
|
|
|
|
BlockVector3 max = region.getMaximumPoint();
|
|
this.maxX = max.getBlockX();
|
|
this.maxY = max.getBlockY();
|
|
this.maxZ = max.getBlockZ();
|
|
|
|
this.min = region.getMinimumPoint();
|
|
this.nextX = min.getBlockX();
|
|
this.nextY = min.getBlockY();
|
|
this.nextZ = min.getBlockZ();
|
|
|
|
forward();
|
|
}
|
|
|
|
@Override
|
|
public boolean hasNext() {
|
|
return nextX != Integer.MIN_VALUE;
|
|
}
|
|
|
|
private void forward() {
|
|
while (hasNext() && !region.contains(BlockVector3.at(nextX, nextY, nextZ))) {
|
|
forwardOne();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public BlockVector3 next() {
|
|
if (!hasNext()) throw new java.util.NoSuchElementException();
|
|
|
|
BlockVector3 answer = BlockVector3.at(nextX, nextY, nextZ);
|
|
|
|
forwardOne();
|
|
forward();
|
|
|
|
return answer;
|
|
}
|
|
|
|
private void forwardOne() {
|
|
if (++nextX <= maxX) {
|
|
return;
|
|
}
|
|
nextX = min.getBlockX();
|
|
|
|
if (++nextY <= maxY) {
|
|
return;
|
|
}
|
|
nextY = min.getBlockY();
|
|
|
|
if (++nextZ <= maxZ) {
|
|
return;
|
|
}
|
|
nextX = Integer.MIN_VALUE;
|
|
}
|
|
|
|
@Override
|
|
public void remove() {
|
|
throw new UnsupportedOperationException();
|
|
}
|
|
|
|
}
|