Replace the R-tree library with PRTree. Fix SquirrelID shading issues. Bump the version to 5.12.0

Bukkit/build.gradle

@@ -36,7 +36,7 @@ dependencies {
     implementation("net.ess3:EssentialsX:2.17.2")
     implementation("net.alpenblock:BungeePerms:4.0-dev-106")
     compile("se.hyperver.hyperverse:Core:0.6.0-SNAPSHOT"){ transitive = false }
-    compile 'com.github.pavog:SquirrelID:0.6.1'
+    compile('com.sk89q:squirrelid:1.0.0-SNAPSHOT'){ transitive = false }
 }
 
 sourceCompatibility = 1.8
@@ -93,15 +93,14 @@ shadowJar {
         include(dependency("io.papermc:paperlib:1.0.2"))
         include(dependency("net.kyori:text-adapter-bukkit:3.0.3"))
         include(dependency("org.bstats:bstats-bukkit:1.7"))
-        include(dependency("com.github.davidmoten:rtree:0.8.7"))
+        include(dependency("org.khelekore:prtree:1.7.0-SNAPSHOT"))
-        include(dependency("io.reactivex:rxjava:1.3.8"))
+        include(dependency("com.sk89q:squirrelid:1.0.0-SNAPSHOT"))
-        include(dependency("com.github.davidmoten:guava-mini:0.1.1"))
-        include(dependency("com.github.pavog:SquirrelID:0.6.1"))
     }
     relocate('net.kyori.text', 'com.plotsquared.formatting.text')
     relocate("io.papermc.lib", "com.plotsquared.bukkit.paperlib")
     relocate("org.bstats", "com.plotsquared.metrics")
     relocate('com.sk89q.squirrelid', 'com.plotsquared.squirrelid')
+    relocate('org.khelekore.prtree', 'com.plotsquared.prtree')
     archiveFileName = "${project.name}-${parent.version}.jar"
     destinationDirectory = file "../target"
 }

Bukkit/pom.xml

@@ -67,10 +67,16 @@
       </exclusions>
     </dependency>
     <dependency>
-      <groupId>com.github.pavog</groupId>
+      <groupId>com.sk89q</groupId>
-      <artifactId>SquirrelID</artifactId>
+      <artifactId>squirrelid</artifactId>
-      <version>0.6.1</version>
+      <version>1.0.0-SNAPSHOT</version>
       <scope>compile</scope>
+      <exclusions>
+        <exclusion>
+          <artifactId>*</artifactId>
+          <groupId>*</groupId>
+        </exclusion>
+      </exclusions>
     </dependency>
     <dependency>
       <groupId>com.sk89q.worldedit</groupId>
@@ -137,19 +143,19 @@
     <dependency>
       <groupId>me.clip</groupId>
       <artifactId>placeholderapi</artifactId>
-      <version>2.10.4</version>
+      <version>2.10.6</version>
       <scope>runtime</scope>
     </dependency>
     <dependency>
       <groupId>net.luckperms</groupId>
       <artifactId>api</artifactId>
-      <version>5.0</version>
+      <version>5.1</version>
       <scope>runtime</scope>
     </dependency>
     <dependency>
       <groupId>net.ess3</groupId>
       <artifactId>EssentialsX</artifactId>
-      <version>2.16.1</version>
+      <version>2.17.2</version>
       <scope>runtime</scope>
     </dependency>
     <dependency>

Core/build.gradle

@@ -1,5 +1,6 @@
 repositories {
     maven { url = "https://jitpack.io" }
+    maven { url = "https://mvn.intellectualsites.com/content/repositories/snapshots" }
 }
 def textVersion = "3.0.2"
 
@@ -16,7 +17,7 @@ dependencies {
     testAnnotationProcessor("org.projectlombok:lombok:1.18.8")
     implementation("org.jetbrains.kotlin:kotlin-stdlib:1.3.72")
     implementation("org.jetbrains:annotations:19.0.0")
-    implementation 'com.github.davidmoten:rtree:0.8.7'
+    implementation("org.khelekore:prtree:1.7.0-SNAPSHOT")
 }
 
 sourceCompatibility = 1.8
@@ -74,7 +75,7 @@ shadowJar {
         include(dependency("net.kyori:text-serializer-gson:3.0.2"))
         include(dependency("net.kyori:text-serializer-legacy:3.0.2"))
         include(dependency("net.kyori:text-serializer-plain:3.0.2"))
-        include(dependency("com.github.davidmoten:rtree:0.8.7"))
+        include(dependency("org.khelekore:prtree:1.7.0-SNAPSHOT"))
     }
     relocate('net.kyori.text', 'com.plotsquared.formatting.text')
     relocate("org.json", "com.plotsquared.json") {

Core/pom.xml

@@ -93,9 +93,9 @@
       <scope>runtime</scope>
     </dependency>
     <dependency>
-      <groupId>com.github.davidmoten</groupId>
+      <groupId>org.khelekore</groupId>
-      <artifactId>rtree</artifactId>
+      <artifactId>prtree</artifactId>
-      <version>0.8.7</version>
+      <version>1.7.0-SNAPSHOT</version>
       <scope>runtime</scope>
     </dependency>
     <dependency>

Core/src/main/java/com/plotsquared/core/location/Location.java

@@ -34,6 +34,8 @@ import com.sk89q.worldedit.math.BlockVector2;
 import com.sk89q.worldedit.math.BlockVector3;
 import lombok.Getter;
 import lombok.Setter;
+import org.khelekore.prtree.MBR;
+import org.khelekore.prtree.SimpleMBR;
 
 public class Location implements Cloneable, Comparable<Location> {
 
@@ -221,6 +223,10 @@ public class Location implements Cloneable, Comparable<Location> {
         return this;
     }
 
+    public MBR toMBR() {
+        return new SimpleMBR(this.getX(), this.getX(), this.getY(), this.getY(), this.getZ(), this.getZ());
+    }
+
     @Override public boolean equals(Object o) {
         if (o == null) {
             return false;

Core/src/main/java/com/plotsquared/core/plot/world/ScatteredPlotWorld.java

@@ -25,18 +25,18 @@
  */
 package com.plotsquared.core.plot.world;
 
-import com.github.davidmoten.rtree.Entry;
-import com.github.davidmoten.rtree.RTree;
-import com.github.davidmoten.rtree.geometry.Geometries;
-import com.github.davidmoten.rtree.geometry.Geometry;
 import com.plotsquared.core.location.Location;
 import com.plotsquared.core.plot.PlotArea;
 import com.plotsquared.core.plot.PlotWorld;
+import com.plotsquared.core.util.PlotAreaConverter;
 import com.plotsquared.core.util.RegionUtil;
+import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.regions.CuboidRegion;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
-import rx.Observable;
+import org.khelekore.prtree.MBR;
+import org.khelekore.prtree.PRTree;
+import org.khelekore.prtree.SimpleMBR;
 
 import java.util.Collection;
 import java.util.Collections;
@@ -48,9 +48,12 @@ import java.util.List;
  */
 public class ScatteredPlotWorld extends PlotWorld {
 
+    private static final PlotAreaConverter MBR_CONVERTER = new PlotAreaConverter();
+    private static final int BRANCH_FACTOR = 30;
+
     private final List<PlotArea> areas = new LinkedList<>();
     private final Object treeLock = new Object();
-    private RTree<PlotArea, Geometry> areaTree;
+    private PRTree<PlotArea> areaTree;
 
     /**
      * Create a new plot world with a given world name
@@ -66,14 +69,14 @@ public class ScatteredPlotWorld extends PlotWorld {
             return null;
         }
         synchronized (this.treeLock) {
-            final Observable<Entry<PlotArea, Geometry>> area =
+            for (final PlotArea area : this.areaTree.find(location.toMBR())) {
-                areaTree.search(Geometries.point(location.getX(), location.getZ()));
+                if (area.contains(location)) {
-            if (area.isEmpty().toBlocking().first()) {
+                    return area;
+                }
+            }
+        }
         return null;
     }
-            return area.toBlocking().first().value();
-        }
-    }
 
     @Override @NotNull public Collection<PlotArea> getAreas() {
         return Collections.unmodifiableCollection(this.areas);
@@ -95,7 +98,17 @@ public class ScatteredPlotWorld extends PlotWorld {
         }
         synchronized (this.treeLock) {
             final List<PlotArea> areas = new LinkedList<>();
-            this.areaTree.search(RegionUtil.toRectangle(region)).toBlocking().forEach(entry -> areas.add(entry.value()));
+
+            final BlockVector3 min = region.getMinimumPoint();
+            final BlockVector3 max = region.getMaximumPoint();
+            final MBR mbr = new SimpleMBR(min.getX(), max.getX(), min.getY(), max.getY(), min.getZ(), max.getZ());
+
+            for (final PlotArea area : this.areaTree.find(mbr)) {
+                if (RegionUtil.intersects(area.getRegion(), region)) {
+                    areas.add(area);
+                }
+            }
+
             return areas;
         }
     }
@@ -105,11 +118,8 @@ public class ScatteredPlotWorld extends PlotWorld {
      */
     private void buildTree() {
         synchronized (this.treeLock) {
-            this.areaTree = RTree.create();
+            this.areaTree = new PRTree<>(MBR_CONVERTER, BRANCH_FACTOR);
-            for (final PlotArea area : areas) {
+            this.areaTree.load(this.areas);
-                this.areaTree = this.areaTree.add(area,
-                    RegionUtil.toRectangle(area.getRegion()));
-            }
         }
     }
 

Core/src/main/java/com/plotsquared/core/util/PlotAreaConverter.java

@@ -0,0 +1,68 @@
+/*
+ *       _____  _       _    _____                                _
+ *      |  __ \| |     | |  / ____|                              | |
+ *      | |__) | | ___ | |_| (___   __ _ _   _  __ _ _ __ ___  __| |
+ *      |  ___/| |/ _ \| __|\___ \ / _` | | | |/ _` | '__/ _ \/ _` |
+ *      | |    | | (_) | |_ ____) | (_| | |_| | (_| | | |  __/ (_| |
+ *      |_|    |_|\___/ \__|_____/ \__, |\__,_|\__,_|_|  \___|\__,_|
+ *                                    | |
+ *                                    |_|
+ *            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 <http://www.gnu.org/licenses/>.
+ */
+package com.plotsquared.core.util;
+
+import com.plotsquared.core.plot.PlotArea;
+import com.sk89q.worldedit.regions.CuboidRegion;
+import org.khelekore.prtree.MBRConverter;
+
+public class PlotAreaConverter implements MBRConverter<PlotArea> {
+
+    public static final int AXIS_X = 0;
+    public static final int AXIS_Y = 1;
+    public static final int AXIS_Z = 2;
+
+    @Override public int getDimensions() {
+        return 3;
+    }
+
+    @Override public double getMin(final int axis, final PlotArea area) {
+        final CuboidRegion region = area.getRegion();
+        if (axis == AXIS_X) {
+            return region.getMinimumPoint().getX();
+        } else if (axis == AXIS_Y) {
+            return region.getMinimumPoint().getY();
+        } else if (axis == AXIS_Z) {
+            return region.getMinimumPoint().getZ();
+        } else {
+            throw new IllegalArgumentException("Unknown axis: " + axis);
+        }
+    }
+
+    @Override public double getMax(final int axis, final PlotArea area) {
+        final CuboidRegion region = area.getRegion();
+        if (axis == AXIS_X) {
+            return region.getMaximumPoint().getX();
+        } else if (axis == AXIS_Y) {
+            return region.getMaximumPoint().getY();
+        } else if (axis == AXIS_Z) {
+            return region.getMaximumPoint().getZ();
+        } else {
+            throw new IllegalArgumentException("Unknown axis: " + axis);
+        }
+    }
+
+}

Core/src/main/java/com/plotsquared/core/util/RegionUtil.java

@@ -25,14 +25,14 @@
  */
 package com.plotsquared.core.util;
 
-import com.github.davidmoten.rtree.geometry.Geometries;
-import com.github.davidmoten.rtree.geometry.Rectangle;
 import com.plotsquared.core.plot.Plot;
 import com.sk89q.worldedit.math.BlockVector2;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.regions.CuboidRegion;
 import org.jetbrains.annotations.NotNull;
 
+import java.awt.geom.Rectangle2D;
+
 public class RegionUtil {
     public static CuboidRegion createRegion(int pos1x, int pos2x, int pos1z, int pos2z) {
         return createRegion(pos1x, pos2x, 0, Plot.MAX_HEIGHT - 1, pos1z, pos2z);
@@ -58,10 +58,10 @@ public class RegionUtil {
             .getY() && y <= max.getY();
     }
 
-    @NotNull public static Rectangle toRectangle(@NotNull final CuboidRegion region) {
+    @NotNull public static Rectangle2D toRectangle(@NotNull final CuboidRegion region) {
         final BlockVector2 min = region.getMinimumPoint().toBlockVector2();
         final BlockVector2 max = region.getMaximumPoint().toBlockVector2();
-        return Geometries.rectangle(min.getX(), min.getZ(), max.getX(), max.getZ());
+        return new Rectangle2D.Double(min.getX(), min.getZ(), max.getX(), max.getZ());
     }
 
     // Because WE (not fawe) lack this for CuboidRegion

build.gradle

@@ -30,7 +30,7 @@ ext {
     git = Grgit.open(dir: new File(rootDir.toString() + "/.git"))
 }
 
-def ver = "5.11.2"
+def ver = "5.12.0"
 def versuffix = ""
 ext {
     if (project.hasProperty("versionsuffix")) {