Don't check/set if a chunk should be saved if it's a world-plot

Bukkit/src/main/java/com/plotsquared/bukkit/listener/ChunkListener.java

@@ -32,6 +32,7 @@ import com.plotsquared.core.location.Location;
 import com.plotsquared.core.plot.Plot;
 import com.plotsquared.core.plot.PlotArea;
 import com.plotsquared.core.plot.world.PlotAreaManager;
+import com.plotsquared.core.plot.world.SinglePlotArea;
 import com.plotsquared.core.util.ReflectionUtils.RefClass;
 import com.plotsquared.core.util.ReflectionUtils.RefField;
 import com.plotsquared.core.util.ReflectionUtils.RefMethod;
@@ -295,7 +296,7 @@ public class ChunkListener implements Listener {
         Chunk chunk = event.getChunk();
         if (Settings.Chunk_Processor.AUTO_TRIM) {
             String world = chunk.getWorld().getName();
-            if (this.plotAreaManager.hasPlotArea(world)) {
+            if ((!Settings.Enabled_Components.WORLDS || !SinglePlotArea.isSinglePlotWorld(world)) && this.plotAreaManager.hasPlotArea(world)) {
                 if (unloadChunk(world, chunk, true)) {
                     return;
                 }
@@ -365,8 +366,7 @@ public class ChunkListener implements Listener {
     }
 
     private void cleanChunk(final Chunk chunk) {
-        TaskManager.index.incrementAndGet();
+        final int currentIndex = TaskManager.index.incrementAndGet();
-        final int currentIndex = TaskManager.index.get();
         PlotSquaredTask task = TaskManager.runTaskRepeat(() -> {
             if (!chunk.isLoaded()) {
                 Objects.requireNonNull(TaskManager.removeTask(currentIndex)).cancel();

Bukkit/src/main/java/com/plotsquared/bukkit/listener/SingleWorldListener.java

@@ -27,6 +27,7 @@ package com.plotsquared.bukkit.listener;
 
 import com.plotsquared.core.PlotSquared;
 import com.plotsquared.core.plot.world.PlotAreaManager;
+import com.plotsquared.core.plot.world.SinglePlotArea;
 import com.plotsquared.core.plot.world.SinglePlotAreaManager;
 import com.plotsquared.core.util.ReflectionUtils;
 import org.bukkit.Chunk;
@@ -86,7 +87,7 @@ public class SingleWorldListener implements Listener {
         if (!(man instanceof SinglePlotAreaManager)) {
             return;
         }
-        if (!isPlotId(name)) {
+        if (!SinglePlotArea.isSinglePlotWorld(name)) {
             return;
         }
 
@@ -103,31 +104,4 @@ public class SingleWorldListener implements Listener {
         handle(event);
     }
 
-    private boolean isPlotId(String worldName) {
-        int len = worldName.length();
-        int separator = 0;
-        for (int i = 0; i < len; i++) {
-            switch (worldName.charAt(i)) {
-                case '_':
-                    separator++;
-                    break;
-                case '-':
-                case '0':
-                case '1':
-                case '2':
-                case '3':
-                case '4':
-                case '5':
-                case '6':
-                case '7':
-                case '8':
-                case '9':
-                    break;
-                default:
-                    return false;
-            }
-        }
-        return separator == 1;
-    }
-
 }

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

@@ -37,7 +37,6 @@ import com.plotsquared.core.inject.annotations.WorldConfig;
 import com.plotsquared.core.listener.PlotListener;
 import com.plotsquared.core.location.BlockLoc;
 import com.plotsquared.core.location.Location;
-import com.plotsquared.core.location.PlotLoc;
 import com.plotsquared.core.plot.Plot;
 import com.plotsquared.core.plot.PlotAreaType;
 import com.plotsquared.core.plot.PlotId;
@@ -78,6 +77,38 @@ public class SinglePlotArea extends GridPlotWorld {
         this.setDefaultHome(new BlockLoc(Integer.MAX_VALUE, Integer.MIN_VALUE, Integer.MAX_VALUE));
     }
 
+    /**
+     * Returns true if the given string matches the naming system used to identify single plot worlds
+     * e.g. -1_5 represents plot id *;-1;5. "*" being the plot area name given to single plot world
+     * {@link com.plotsquared.core.plot.PlotArea}.
+     */
+    public static boolean isSinglePlotWorld(String worldName) {
+        int len = worldName.length();
+        int separator = 0;
+        for (int i = 0; i < len; i++) {
+            switch (worldName.charAt(i)) {
+                case '_':
+                    separator++;
+                    break;
+                case '-':
+                case '0':
+                case '1':
+                case '2':
+                case '3':
+                case '4':
+                case '5':
+                case '6':
+                case '7':
+                case '8':
+                case '9':
+                    break;
+                default:
+                    return false;
+            }
+        }
+        return separator == 1;
+    }
+
     @NonNull
     @Override
     protected PlotManager createManager() {