Fix PlotRangeIterator

This commit is contained in:
Hannes Greule 2020-12-05 17:29:01 +01:00 committed by Alexander Söderberg
parent b4ea230ff1
commit 14ec7fb816
3 changed files with 131 additions and 19 deletions

View File

@ -2299,12 +2299,13 @@ public class Plot {
continue;
}
boolean merge = true;
PlotId bot = PlotId.of(current.getId().getX(), current.getId().getY());
PlotId top = PlotId.of(current.getId().getX(), current.getId().getY());
PlotId bot = current.getId();
PlotId top = current.getId();
while (merge) {
merge = false;
List<PlotId> ids = Lists.newArrayList((Iterable<? extends PlotId>) PlotId.PlotRangeIterator
.range(PlotId.of(bot.getX(), bot.getY() - 1), PlotId.of(top.getX(), bot.getY() - 1)));
Iterable<PlotId> ids = PlotId.PlotRangeIterator.range(
PlotId.of(bot.getX(), bot.getY() - 1),
PlotId.of(top.getX(), bot.getY() - 1));
boolean tmp = true;
for (PlotId id : ids) {
Plot plot = this.area.getPlotAbs(id);
@ -2316,8 +2317,9 @@ public class Plot {
merge = true;
bot = PlotId.of(bot.getX(), bot.getY() - 1);
}
ids = Lists.newArrayList((Iterable<? extends PlotId>) PlotId.PlotRangeIterator
.range(PlotId.of(top.getX() + 1, bot.getY()), PlotId.of(top.getX() + 1, top.getY())));
ids = PlotId.PlotRangeIterator.range(
PlotId.of(top.getX() + 1, bot.getY()),
PlotId.of(top.getX() + 1, top.getY()));
tmp = true;
for (PlotId id : ids) {
Plot plot = this.area.getPlotAbs(id);
@ -2329,8 +2331,9 @@ public class Plot {
merge = true;
top = PlotId.of(top.getX() + 1, top.getY());
}
ids = Lists.newArrayList((Iterable<? extends PlotId>) PlotId.PlotRangeIterator
.range(PlotId.of(bot.getX(), top.getY() + 1), PlotId.of(top.getX(), top.getY() + 1)));
ids = PlotId.PlotRangeIterator.range(
PlotId.of(bot.getX(), top.getY() + 1),
PlotId.of(top.getX(), top.getY() + 1));
tmp = true;
for (PlotId id : ids) {
Plot plot = this.area.getPlotAbs(id);
@ -2342,8 +2345,9 @@ public class Plot {
merge = true;
top = PlotId.of(top.getX(), top.getY() + 1);
}
ids = Lists.newArrayList((Iterable<? extends PlotId>) PlotId.PlotRangeIterator
.range(PlotId.of(bot.getX() - 1, bot.getY()), PlotId.of(bot.getX() - 1, top.getY())));
ids = PlotId.PlotRangeIterator.range(
PlotId.of(bot.getX() - 1, bot.getY()),
PlotId.of(bot.getX() - 1, top.getY()));
tmp = true;
for (PlotId id : ids) {
Plot plot = this.area.getPlotAbs(id);

View File

@ -30,6 +30,7 @@ import com.plotsquared.core.location.Direction;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.Iterator;
import java.util.NoSuchElementException;
/**
* Plot (X,Y) tuples for plot locations
@ -265,26 +266,25 @@ public final class PlotId {
}
@Override public boolean hasNext() {
if (this.x < this.end.getX()) {
return true;
} else if (this.x == this.end.getX()) {
return this.y < this.end.getY();
} else {
return false;
}
// end is fully included
return this.x <= this.end.getX() && this.y <= this.end.getY();
}
@Override public PlotId next() {
if (!hasNext()) {
throw new IndexOutOfBoundsException("The iterator has no more entries");
throw new NoSuchElementException("The iterator has no more entries");
}
// increment *after* getting the result to include the minimum
// the id to return
PlotId result = PlotId.of(this.x, this.y);
// first increase y, then x
if (this.y == this.end.getY()) {
this.x++;
this.y = 0;
} else {
this.y++;
}
return PlotId.of(this.start.getX() + this.x, this.start.getY() + this.y);
return result;
}
@Nonnull @Override public Iterator<PlotId> iterator() {

View File

@ -0,0 +1,108 @@
/*
* _____ _ _ _____ _
* | __ \| | | | / ____| | |
* | |__) | | ___ | |_| (___ __ _ _ _ __ _ _ __ ___ __| |
* | ___/| |/ _ \| __|\___ \ / _` | | | |/ _` | '__/ _ \/ _` |
* | | | | (_) | |_ ____) | (_| | |_| | (_| | | | __/ (_| |
* |_| |_|\___/ \__|_____/ \__, |\__,_|\__,_|_| \___|\__,_|
* | |
* |_|
* PlotSquared plot management system for Minecraft
* Copyright (C) 2020 IntellectualSites
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package com.plotsquared.core.plot;
import org.junit.Test;
import java.util.Arrays;
import java.util.List;
import java.util.NoSuchElementException;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertThrows;
import static org.junit.Assert.assertTrue;
public class PlotRangeIteratorTest {
@Test
public void singlePlotIterator() {
// an iterator that should only contain the given plot
PlotId id = PlotId.of(3, 7);
PlotId.PlotRangeIterator range = PlotId.PlotRangeIterator.range(id, id);
assertTrue(range.hasNext());
assertEquals(id, range.next());
assertFalse(range.hasNext());
assertThrows(NoSuchElementException.class, range::next);
}
// the tests below assume a specific order (first increasing y, then increasing x)
// this is not a written requirement but makes testing easier
@Test
public void squareAreaPlotIterator() {
PlotId id00 = PlotId.of(0, 0);
PlotId id01 = PlotId.of(0, 1);
PlotId id10 = PlotId.of(1, 0);
PlotId id11 = PlotId.of(1, 1);
List<PlotId> all = Arrays.asList(id00, id01, id10, id11);
PlotId.PlotRangeIterator range = PlotId.PlotRangeIterator.range(id00, id11);
for (PlotId id : all) {
assertTrue(range.hasNext());
assertEquals(id, range.next());
}
assertFalse(range.hasNext());
assertThrows(NoSuchElementException.class, range::next);
}
@Test
public void rectangleYAreaPlotIterator() {
// max y > max x
PlotId id00 = PlotId.of(0, 0);
PlotId id01 = PlotId.of(0, 1);
PlotId id02 = PlotId.of(0, 2);
PlotId id10 = PlotId.of(1, 0);
PlotId id11 = PlotId.of(1, 1);
PlotId id12 = PlotId.of(1, 2);
List<PlotId> all = Arrays.asList(id00, id01, id02, id10, id11, id12);
PlotId.PlotRangeIterator range = PlotId.PlotRangeIterator.range(id00, id12);
for (PlotId id : all) {
assertTrue(range.hasNext());
assertEquals(id, range.next());
}
assertFalse(range.hasNext());
assertThrows(NoSuchElementException.class, range::next);
}
@Test
public void rectangleXAreaPlotIterator() {
// max x > max y
PlotId id00 = PlotId.of(0, 0);
PlotId id01 = PlotId.of(0, 1);
PlotId id10 = PlotId.of(1, 0);
PlotId id11 = PlotId.of(1, 1);
PlotId id20 = PlotId.of(2, 0);
PlotId id21 = PlotId.of(2, 1);
List<PlotId> all = Arrays.asList(id00, id01, id10, id11, id20, id21);
PlotId.PlotRangeIterator range = PlotId.PlotRangeIterator.range(id00, id21);
for (PlotId id : all) {
assertTrue(range.hasNext());
assertEquals(id, range.next());
}
assertFalse(range.hasNext());
assertThrows(NoSuchElementException.class, range::next);
}
}