Should probably limit the size, also...

If you want to select some cavity, just use `//sel fuzzy` and `//pos1`
while standing there

core/src/main/java/com/boydti/fawe/object/FawePlayer.java

@@ -19,6 +19,7 @@ import com.sk89q.worldedit.IncompleteRegionException;
 import com.sk89q.worldedit.LocalSession;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.WorldEdit;
+import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.entity.Player;
 import com.sk89q.worldedit.extension.platform.Actor;
 import com.sk89q.worldedit.extent.clipboard.Clipboard;
@@ -113,6 +114,12 @@ public abstract class FawePlayer<T> extends Metadatable {
                 try {
                     run.run();
                 } catch (Throwable e) {
+                    while (e.getCause() != null) {
+                        e = e.getCause();
+                    }
+                    if (e instanceof WorldEditException) {
+                        sendMessage(BBC.getPrefix() + e.getLocalizedMessage());
+                    } else {
                         FaweException fe = FaweException.get(e);
                         if (fe != null) {
                             sendMessage(fe.getMessage());
@@ -120,6 +127,7 @@ public abstract class FawePlayer<T> extends Metadatable {
                             e.printStackTrace();
                         }
                     }
+                }
                 runningCount.decrementAndGet();
                 Runnable next = getActions().poll();
                 if (next != null) {

core/src/main/java/com/boydti/fawe/object/regions/FuzzyRegion.java

@@ -24,6 +24,7 @@ public class FuzzyRegion extends AbstractRegion {
     private int minX, minY, minZ, maxX, maxY, maxZ;
     private int offsetX, offsetY, offsetZ;
     private Extent extent;
+    private int count = 0;
 
     {
         minX = minY = minZ = Integer.MAX_VALUE;
@@ -56,7 +57,7 @@ public class FuzzyRegion extends AbstractRegion {
 
     @Override
     public int getArea() {
-        return set.length();
+        return set.cardinality();
     }
 
     public void select(int x, int y, int z) {
@@ -123,6 +124,9 @@ public class FuzzyRegion extends AbstractRegion {
 
     public void set(int x, int y, int z) throws RegionOperationException{
         if (populated) {
+            if (++count > 1048576) {
+                throw new RegionOperationException("Selection is too large! (1048576 blocks)");
+            }
             x -= offsetX;
             y -= offsetY;
             z -= offsetZ;
@@ -135,7 +139,7 @@ public class FuzzyRegion extends AbstractRegion {
         }
         set.set(pair(x, y, z), true);
         if (x >= 1024 || x <= -1024 || z >= 1024 || z <= -1024) {
-            throw new RegionOperationException("Selection is too large!");
+            throw new RegionOperationException("Selection is too large! (1024 blocks wide)");
         }
         if (x > maxX) {
             maxX = x;

core/src/main/java/com/sk89q/worldedit/extension/platform/PlatformManager.java

@@ -342,10 +342,10 @@ public class PlatformManager {
     public void handleBlockInteract(BlockInteractEvent event) {
         // Create a proxy actor with a potentially different world for
         // making changes to the world
-        Actor actor = createProxyActor(event.getCause());
+        final Actor actor = createProxyActor(event.getCause());
         try {
             final Location location = event.getLocation();
-            Vector vector = location.toVector();
+            final Vector vector = location.toVector();
 
             // At this time, only handle interaction from players
             if (actor instanceof Player) {
@@ -362,11 +362,16 @@ public class PlatformManager {
                             return;
                         }
 
-                        RegionSelector selector = session.getRegionSelector(player.getWorld());
+                        final RegionSelector selector = session.getRegionSelector(player.getWorld());
-
+                        FawePlayer<?> fp = FawePlayer.wrap(player);
+                        fp.runAction(new Runnable() {
+                            @Override
+                            public void run() {
                                 if (selector.selectPrimary(location.toVector(), ActorSelectorLimits.forActor(player))) {
                                     selector.explainPrimarySelection(actor, session, vector);
                                 }
+                            }
+                        }, true, true);
 
                         event.setCancelled(true);
                         return;
@@ -407,11 +412,16 @@ public class PlatformManager {
                         if (!actor.hasPermission("worldedit.selection.pos")) {
                             return;
                         }
-
+                        final RegionSelector selector = session.getRegionSelector(player.getWorld());
-                        RegionSelector selector = session.getRegionSelector(player.getWorld());
+                        FawePlayer<?> fp = FawePlayer.wrap(player);
+                        fp.runAction(new Runnable() {
+                            @Override
+                            public void run() {
                                 if (selector.selectSecondary(vector, ActorSelectorLimits.forActor(player))) {
                                     selector.explainSecondarySelection(actor, session, vector);
                                 }
+                            }
+                        }, true, true);
 
                         event.setCancelled(true);
                         return;