Fix world delete

Core/src/main/java/com/intellectualcrafters/plot/object/Plot.java

@@ -799,17 +799,7 @@ public class Plot {
                 manager.clearPlot(Plot.this.area, current, this);
             }
         };
-        if (!isMerged() && this.area.getRegion().equals(getLargestRegion())) {
+        run.run();
-            final LocalBlockQueue blockQueue = area.getQueue(false);
-            ChunkManager.largeRegionTask(this.getWorldName(), this.area.getRegion(), new RunnableVal<ChunkLoc>() {
-                @Override
-                public void run(ChunkLoc value) {
-                    blockQueue.regenChunk(value.x, value.z);
-                }
-            }, whenDone);
-        } else {
-            run.run();
-        }
         return true;
     }
 

Core/src/main/java/com/intellectualcrafters/plot/object/worlds/SinglePlot.java

@@ -6,6 +6,7 @@ import com.intellectualcrafters.plot.object.Plot;
 import com.intellectualcrafters.plot.object.PlotArea;
 import com.intellectualcrafters.plot.object.PlotId;
 import com.intellectualcrafters.plot.object.PlotPlayer;
+import com.intellectualcrafters.plot.object.RegionWrapper;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.UUID;
@@ -47,5 +48,16 @@ public class SinglePlot extends Plot {
         getArea().loadWorld(getId());
         return super.isLoaded();
     }
+    private HashSet<RegionWrapper> regions;
+    {
+        regions = new HashSet<>();
+        regions.add(new RegionWrapper(Integer.MIN_VALUE, Integer.MAX_VALUE, Integer.MIN_VALUE, Integer.MAX_VALUE));
+    }
+
+    @Override
+    public HashSet<RegionWrapper> getRegions() {
+        return regions;
+    }
+
     // getCenter getSide getHome getDefaultHome getBiome
 }

Core/src/main/java/com/intellectualcrafters/plot/object/worlds/SinglePlotArea.java

@@ -8,7 +8,6 @@ import com.intellectualcrafters.plot.object.Location;
 import com.intellectualcrafters.plot.object.Plot;
 import com.intellectualcrafters.plot.object.PlotId;
 import com.intellectualcrafters.plot.object.PlotLoc;
-import com.intellectualcrafters.plot.object.PlotPlayer;
 import com.intellectualcrafters.plot.object.PlotSettings;
 import com.intellectualcrafters.plot.object.SetupObject;
 import com.intellectualcrafters.plot.util.SetupUtils;
@@ -87,14 +86,31 @@ public class SinglePlotArea extends GridPlotWorld {
         return getPlotAbs(pid);
     }
 
-    public boolean addPlot(Plot p) {
+    public boolean addPlot(Plot plot) {
+        plot = adapt(plot);
+        return super.addPlot(plot);
+    }
+
+    @Override
+    public boolean addPlotAbs(Plot plot) {
+        plot = adapt(plot);
+        return super.addPlotAbs(plot);
+    }
+
+    @Override
+    public boolean addPlotIfAbsent(Plot plot) {
+        plot = adapt(plot);
+        return super.addPlotIfAbsent(plot);
+    }
+
+    private Plot adapt(Plot p) {
+        if (p instanceof SinglePlot) {
+            return p;
+        }
         PlotSettings s = p.getSettings();
         p = new SinglePlot(p.getId(), p.owner, p.getTrusted(), p.getMembers(), p.getDenied(), s.alias,  s.getPosition(), null, this, s.merged, p.getTimestamp(), p.temp);
-        p.getSettings().flags = s.flags;
+        s.flags = s.flags;
-        for (PlotPlayer pp : p.getPlayersInPlot()) {
+        return p;
-            pp.setMeta("lastplot", p);
-        }
-        return this.plots.put(p.getId(), p) == null;
     }
 
     public Plot getPlotAbs(PlotId id) {

settings.gradle

@@ -1,3 +1,3 @@
 rootProject.name = 'PlotSquared'
 
-include 'Core', 'Bukkit', 'Sponge', 'Nukkit'
+include 'Core', 'Bukkit', 'Nukkit' //,'Sponge'