Refactor RegionSelectors so limits are passed in during selection.

src/bukkit/java/com/sk89q/worldedit/bukkit/selections/CuboidSelection.java

@@ -19,13 +19,14 @@
 
 package com.sk89q.worldedit.bukkit.selections;
 
-import com.sk89q.worldedit.regions.selector.CuboidRegionSelector;
-import com.sk89q.worldedit.regions.RegionSelector;
-import org.bukkit.Location;
-import org.bukkit.World;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.bukkit.BukkitUtil;
-import com.sk89q.worldedit.regions.*;
+import com.sk89q.worldedit.regions.CuboidRegion;
+import com.sk89q.worldedit.regions.RegionSelector;
+import com.sk89q.worldedit.regions.selector.CuboidRegionSelector;
+import com.sk89q.worldedit.regions.selector.limit.PermissiveSelectorLimits;
+import org.bukkit.Location;
+import org.bukkit.World;
 
 public class CuboidSelection extends RegionSelection {
 
@@ -51,8 +52,8 @@ public class CuboidSelection extends RegionSelection {
         CuboidRegionSelector sel = new CuboidRegionSelector(BukkitUtil.getLocalWorld(world));
 
         // set up selector
-        sel.selectPrimary(pt1);
+        sel.selectPrimary(pt1, PermissiveSelectorLimits.getInstance());
-        sel.selectSecondary(pt2);
+        sel.selectSecondary(pt2, PermissiveSelectorLimits.getInstance());
 
         // set up CuboidSelection
         cuboid = sel.getIncompleteRegion();

src/legacy/java/com/sk89q/worldedit/regions/AbstractLegacyRegionSelector.java

@@ -0,0 +1,44 @@
+/*
+ * WorldEdit, a Minecraft world manipulation toolkit
+ * Copyright (C) sk89q <http://www.sk89q.com>
+ * Copyright (C) WorldEdit team and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser 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 Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.sk89q.worldedit.regions;
+
+import com.sk89q.worldedit.LocalPlayer;
+import com.sk89q.worldedit.LocalSession;
+import com.sk89q.worldedit.Vector;
+import com.sk89q.worldedit.extension.platform.Actor;
+
+abstract class AbstractLegacyRegionSelector implements RegionSelector {
+
+    @Deprecated
+    public final void explainPrimarySelection(LocalPlayer player, LocalSession session, Vector position) {
+        explainPrimarySelection((Actor) player, session, position);
+    }
+
+    @Deprecated
+    public final void explainSecondarySelection(LocalPlayer player, LocalSession session, Vector position) {
+        explainSecondarySelection((Actor) player, session, position);
+    }
+
+    @Deprecated
+    public final void explainRegionAdjust(LocalPlayer player, LocalSession session) {
+        explainRegionAdjust((Actor) player, session);
+    }
+
+}

src/legacy/java/com/sk89q/worldedit/regions/ConvexPolyhedralRegionSelector.java

@@ -25,5 +25,5 @@ import com.sk89q.worldedit.internal.cui.CUIRegion;
  * @deprecated This class only exists as to not break binary compatibility
  */
 @Deprecated
-public abstract class ConvexPolyhedralRegionSelector implements RegionSelector, CUIRegion {
+public abstract class ConvexPolyhedralRegionSelector extends AbstractLegacyRegionSelector implements CUIRegion {
 }

src/legacy/java/com/sk89q/worldedit/regions/CuboidRegionSelector.java

@@ -25,5 +25,5 @@ import com.sk89q.worldedit.internal.cui.CUIRegion;
  * @deprecated This class only exists as to not break binary compatibility
  */
 @Deprecated
-public abstract class CuboidRegionSelector implements RegionSelector, CUIRegion {
+public abstract class CuboidRegionSelector extends AbstractLegacyRegionSelector implements CUIRegion {
 }

src/legacy/java/com/sk89q/worldedit/regions/CylinderRegionSelector.java

@@ -25,5 +25,5 @@ import com.sk89q.worldedit.internal.cui.CUIRegion;
  * @deprecated This class only exists as to not break binary compatibility
  */
 @Deprecated
-public abstract class CylinderRegionSelector implements RegionSelector, CUIRegion {
+public abstract class CylinderRegionSelector extends AbstractLegacyRegionSelector implements CUIRegion {
 }

src/legacy/java/com/sk89q/worldedit/regions/EllipsoidRegionSelector.java

@@ -25,5 +25,5 @@ import com.sk89q.worldedit.internal.cui.CUIRegion;
  * @deprecated This class only exists as to not break binary compatibility
  */
 @Deprecated
-public abstract class EllipsoidRegionSelector implements RegionSelector, CUIRegion {
+public abstract class EllipsoidRegionSelector extends AbstractLegacyRegionSelector implements CUIRegion {
 }

src/legacy/java/com/sk89q/worldedit/regions/ExtendingCuboidRegionSelector.java

@@ -19,9 +19,11 @@
 
 package com.sk89q.worldedit.regions;
 
+import com.sk89q.worldedit.internal.cui.CUIRegion;
+
 /**
  * @deprecated This class only exists as to not break binary compatibility
  */
 @Deprecated
-public abstract class ExtendingCuboidRegionSelector extends CuboidRegionSelector {
+public abstract class ExtendingCuboidRegionSelector extends AbstractLegacyRegionSelector implements CUIRegion {
 }

src/legacy/java/com/sk89q/worldedit/regions/Polygonal2DRegionSelector.java

@@ -25,7 +25,7 @@ import com.sk89q.worldedit.internal.cui.CUIRegion;
  * @deprecated This class only exists as to not break binary compatibility
  */
 @Deprecated
-public abstract class Polygonal2DRegionSelector implements RegionSelector, CUIRegion {
+public abstract class Polygonal2DRegionSelector extends AbstractLegacyRegionSelector implements CUIRegion {
 
     /**
      * Get the number of points.

src/legacy/java/com/sk89q/worldedit/regions/SphereRegionSelector.java

@@ -19,9 +19,11 @@
 
 package com.sk89q.worldedit.regions;
 
+import com.sk89q.worldedit.internal.cui.CUIRegion;
+
 /**
  * @deprecated This class only exists as to not break binary compatibility
  */
 @Deprecated
-public abstract class SphereRegionSelector extends EllipsoidRegionSelector {
+public abstract class SphereRegionSelector extends AbstractLegacyRegionSelector implements CUIRegion {
 }

src/main/java/com/sk89q/worldedit/WorldEdit.java

@@ -412,30 +412,6 @@ public class WorldEdit {
         }
     }
 
-    public int getMaximumPolygonalPoints(Player player) {
-        if (player.hasPermission("worldedit.limit.unrestricted") || getConfiguration().maxPolygonalPoints < 0) {
-            return getConfiguration().defaultMaxPolygonalPoints;
-        }
-
-        if (getConfiguration().defaultMaxPolygonalPoints < 0) {
-            return getConfiguration().maxPolygonalPoints;
-        }
-
-        return Math.min(getConfiguration().defaultMaxPolygonalPoints, getConfiguration().maxPolygonalPoints);
-    }
-
-    public int getMaximumPolyhedronPoints(Player player) {
-        if (player.hasPermission("worldedit.limit.unrestricted") || getConfiguration().maxPolyhedronPoints < 0) {
-            return getConfiguration().defaultMaxPolyhedronPoints;
-        }
-
-        if (getConfiguration().defaultMaxPolyhedronPoints < 0) {
-            return getConfiguration().maxPolyhedronPoints;
-        }
-
-        return Math.min(getConfiguration().defaultMaxPolyhedronPoints, getConfiguration().maxPolyhedronPoints);
-    }
-
     /**
      * Checks to see if the specified radius is within bounds.
      *

src/main/java/com/sk89q/worldedit/command/SelectionCommands.java

@@ -19,6 +19,7 @@
 
 package com.sk89q.worldedit.command;
 
+import com.google.common.base.Optional;
 import com.sk89q.minecraft.util.commands.Command;
 import com.sk89q.minecraft.util.commands.CommandContext;
 import com.sk89q.minecraft.util.commands.CommandException;
@@ -33,6 +34,7 @@ import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.blocks.BaseBlock;
 import com.sk89q.worldedit.blocks.BlockType;
 import com.sk89q.worldedit.entity.Player;
+import com.sk89q.worldedit.extension.platform.permission.ActorSelectorLimits;
 import com.sk89q.worldedit.extent.clipboard.Clipboard;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.regions.RegionOperationException;
@@ -93,7 +95,7 @@ public class SelectionCommands {
             pos = player.getBlockIn();
         }
 
-        if (!session.getRegionSelector(player.getWorld()).selectPrimary(pos)) {
+        if (!session.getRegionSelector(player.getWorld()).selectPrimary(pos, ActorSelectorLimits.forActor(player))) {
             player.printError("Position already set.");
             return;
         }
@@ -128,7 +130,7 @@ public class SelectionCommands {
             pos = player.getBlockIn();
         }
 
-        if (!session.getRegionSelector(player.getWorld()).selectSecondary(pos)) {
+        if (!session.getRegionSelector(player.getWorld()).selectSecondary(pos, ActorSelectorLimits.forActor(player))) {
             player.printError("Position already set.");
             return;
         }
@@ -150,8 +152,7 @@ public class SelectionCommands {
         Vector pos = player.getBlockTrace(300);
 
         if (pos != null) {
-            if (!session.getRegionSelector(player.getWorld())
+            if (!session.getRegionSelector(player.getWorld()).selectPrimary(pos, ActorSelectorLimits.forActor(player))) {
-                    .selectPrimary(pos)) {
                 player.printError("Position already set.");
                 return;
             }
@@ -176,8 +177,7 @@ public class SelectionCommands {
         Vector pos = player.getBlockTrace(300);
 
         if (pos != null) {
-            if (!session.getRegionSelector(player.getWorld())
+            if (!session.getRegionSelector(player.getWorld()).selectSecondary(pos, ActorSelectorLimits.forActor(player))) {
-                    .selectSecondary(pos)) {
                 player.printError("Position already set.");
                 return;
             }
@@ -208,7 +208,6 @@ public class SelectionCommands {
     @Logging(POSITION)
     @CommandPermissions("worldedit.selection.chunk")
     public void chunk(Player player, LocalSession session, EditSession editSession, CommandContext args) throws WorldEditException {
-
         final Vector min;
         final Vector max;
         final World world = player.getWorld();
@@ -254,8 +253,8 @@ public class SelectionCommands {
         } else {
             selector = new CuboidRegionSelector(world);
         }
-        selector.selectPrimary(min);
+        selector.selectPrimary(min, ActorSelectorLimits.forActor(player));
-        selector.selectSecondary(max);
+        selector.selectSecondary(max, ActorSelectorLimits.forActor(player));
         session.setRegionSelector(world, selector);
 
         session.dispatchCUISelection(player);
@@ -732,11 +731,11 @@ public class SelectionCommands {
             selector = new ExtendingCuboidRegionSelector(oldSelector);
             player.print("Cuboid: left click for a starting point, right click to extend");
         } else if (typeName.equalsIgnoreCase("poly")) {
-            int maxPoints = we.getMaximumPolygonalPoints(player);
+            selector = new Polygonal2DRegionSelector(oldSelector);
-            selector = new Polygonal2DRegionSelector(oldSelector, maxPoints);
             player.print("2D polygon selector: Left/right click to add a point.");
-            if (maxPoints > -1) {
+            Optional<Integer> limit = ActorSelectorLimits.forActor(player).getPolygonVertexLimit();
-                player.print(maxPoints + " points maximum.");
+            if (limit.isPresent()) {
+                player.print(limit.get() + " points maximum.");
             }
         } else if (typeName.equalsIgnoreCase("ellipsoid")) {
             selector = new EllipsoidRegionSelector(oldSelector);
@@ -748,9 +747,12 @@ public class SelectionCommands {
             selector = new CylinderRegionSelector(oldSelector);
             player.print("Cylindrical selector: Left click=center, right click to extend.");
         } else if (typeName.equalsIgnoreCase("convex") || typeName.equalsIgnoreCase("hull") || typeName.equalsIgnoreCase("polyhedron")) {
-            int maxVertices = we.getMaximumPolyhedronPoints(player);
+            selector = new ConvexPolyhedralRegionSelector(oldSelector);
-            selector = new ConvexPolyhedralRegionSelector(oldSelector, maxVertices);
             player.print("Convex polyhedral selector: Left click=First vertex, right click to add more.");
+            Optional<Integer> limit = ActorSelectorLimits.forActor(player).getPolyhedronVertexLimit();
+            if (limit.isPresent()) {
+                player.print(limit.get() + " points maximum.");
+            }
         } else {
             player.printError("Only cuboid|extend|poly|ellipsoid|sphere|cyl|convex are accepted.");
             return;

src/main/java/com/sk89q/worldedit/command/tool/DistanceWand.java

@@ -23,6 +23,7 @@ import com.sk89q.worldedit.*;
 import com.sk89q.worldedit.entity.Player;
 import com.sk89q.worldedit.extension.platform.Actor;
 import com.sk89q.worldedit.extension.platform.Platform;
+import com.sk89q.worldedit.extension.platform.permission.ActorSelectorLimits;
 import com.sk89q.worldedit.regions.RegionSelector;
 
 /**
@@ -46,7 +47,7 @@ public class DistanceWand extends BrushTool implements DoubleActionTraceTool {
             if (target == null) return true;
 
             RegionSelector selector = session.getRegionSelector(player.getWorld());
-            if (selector.selectPrimary(target)) {
+            if (selector.selectPrimary(target, ActorSelectorLimits.forActor(player))) {
                 selector.explainPrimarySelection(player, session, target);
             }
             return true;
@@ -63,7 +64,7 @@ public class DistanceWand extends BrushTool implements DoubleActionTraceTool {
             if (target == null) return true;
 
             RegionSelector selector = session.getRegionSelector(player.getWorld());
-            if (selector.selectSecondary(target)) {
+            if (selector.selectSecondary(target, ActorSelectorLimits.forActor(player))) {
                 selector.explainSecondarySelection(player, session, target);
             }
             return true;

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

@@ -37,6 +37,7 @@ import com.sk89q.worldedit.event.platform.Interaction;
 import com.sk89q.worldedit.event.platform.PlatformInitializeEvent;
 import com.sk89q.worldedit.event.platform.PlatformReadyEvent;
 import com.sk89q.worldedit.event.platform.PlayerInputEvent;
+import com.sk89q.worldedit.extension.platform.permission.ActorSelectorLimits;
 import com.sk89q.worldedit.internal.ServerInterfaceAdapter;
 import com.sk89q.worldedit.regions.RegionSelector;
 import com.sk89q.worldedit.util.Location;
@@ -330,7 +331,7 @@ public class PlatformManager {
 
                     RegionSelector selector = session.getRegionSelector(player.getWorld());
 
-                    if (selector.selectPrimary(location.toVector())) {
+                    if (selector.selectPrimary(location.toVector(), ActorSelectorLimits.forActor(player))) {
                         selector.explainPrimarySelection(actor, session, vector);
                     }
 
@@ -365,7 +366,7 @@ public class PlatformManager {
                     }
 
                     RegionSelector selector = session.getRegionSelector(player.getWorld());
-                    if (selector.selectSecondary(vector)) {
+                    if (selector.selectSecondary(vector, ActorSelectorLimits.forActor(player))) {
                         selector.explainSecondarySelection(actor, session, vector);
                     }
 

src/main/java/com/sk89q/worldedit/extension/platform/permission/ActorSelectorLimits.java

@@ -0,0 +1,85 @@
+/*
+ * WorldEdit, a Minecraft world manipulation toolkit
+ * Copyright (C) sk89q <http://www.sk89q.com>
+ * Copyright (C) WorldEdit team and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser 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 Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.sk89q.worldedit.extension.platform.permission;
+
+import com.google.common.base.Optional;
+import com.sk89q.worldedit.LocalConfiguration;
+import com.sk89q.worldedit.WorldEdit;
+import com.sk89q.worldedit.extension.platform.Actor;
+import com.sk89q.worldedit.regions.selector.limit.SelectorLimits;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+public class ActorSelectorLimits implements SelectorLimits {
+
+    private final LocalConfiguration configuration;
+    private final Actor actor;
+
+    public ActorSelectorLimits(LocalConfiguration configuration, Actor actor) {
+        checkNotNull(configuration);
+        checkNotNull(actor);
+
+        this.configuration = configuration;
+        this.actor = actor;
+    }
+
+    @Override
+    public Optional<Integer> getPolygonVertexLimit() {
+        int limit;
+
+        if (actor.hasPermission(OverridePermissions.NO_LIMITS) || configuration.maxPolygonalPoints < 0) {
+            limit = configuration.defaultMaxPolygonalPoints;
+        } else if (configuration.defaultMaxPolygonalPoints < 0) {
+            limit = configuration.maxPolygonalPoints;
+        } else {
+            limit = Math.min(configuration.defaultMaxPolygonalPoints, configuration.maxPolygonalPoints);
+        }
+
+        if (limit > 0) {
+            return Optional.of(limit);
+        } else {
+            return Optional.absent();
+        }
+    }
+
+    @Override
+    public Optional<Integer> getPolyhedronVertexLimit() {
+        int limit;
+
+        if (actor.hasPermission(OverridePermissions.NO_LIMITS) || configuration.maxPolyhedronPoints < 0) {
+            limit = configuration.defaultMaxPolyhedronPoints;
+        } else if (configuration.defaultMaxPolyhedronPoints < 0) {
+            limit = configuration.maxPolyhedronPoints;
+        } else {
+            limit = Math.min(configuration.defaultMaxPolyhedronPoints, configuration.maxPolyhedronPoints);
+        }
+
+        if (limit > 0) {
+            return Optional.of(limit);
+        } else {
+            return Optional.absent();
+        }
+    }
+
+    public static ActorSelectorLimits forActor(Actor actor) {
+        return new ActorSelectorLimits(WorldEdit.getInstance().getConfiguration(), actor);
+    }
+
+}

src/main/java/com/sk89q/worldedit/extension/platform/permission/OverridePermissions.java

@@ -0,0 +1,32 @@
+/*
+ * WorldEdit, a Minecraft world manipulation toolkit
+ * Copyright (C) sk89q <http://www.sk89q.com>
+ * Copyright (C) WorldEdit team and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser 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 Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.sk89q.worldedit.extension.platform.permission;
+
+/**
+ * Standard override permissions.
+ */
+public final class OverridePermissions {
+
+    public static final String NO_LIMITS = "worldedit.limit.unrestricted";
+
+    private OverridePermissions() {
+    }
+
+}

src/main/java/com/sk89q/worldedit/regions/RegionSelector.java

@@ -19,8 +19,12 @@
 
 package com.sk89q.worldedit.regions;
 
-import com.sk89q.worldedit.*;
+import com.sk89q.worldedit.BlockVector;
+import com.sk89q.worldedit.IncompleteRegionException;
+import com.sk89q.worldedit.LocalSession;
+import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.extension.platform.Actor;
+import com.sk89q.worldedit.regions.selector.limit.SelectorLimits;
 
 import java.util.List;
 
@@ -37,7 +41,7 @@ public interface RegionSelector {
      * @param position the position
      * @return true if something changed
      */
-    public boolean selectPrimary(Vector position);
+    public boolean selectPrimary(Vector position, SelectorLimits limits);
 
     /**
      * Called when the second point is selected.
@@ -45,7 +49,7 @@ public interface RegionSelector {
      * @param position the position
      * @return true if something changed
      */
-    public boolean selectSecondary(Vector position);
+    public boolean selectSecondary(Vector position, SelectorLimits limits);
 
     /**
      * Tell the player information about his/her primary selection.
@@ -56,9 +60,6 @@ public interface RegionSelector {
      */
     public void explainPrimarySelection(Actor actor, LocalSession session, Vector position);
 
-    @Deprecated
-    public void explainPrimarySelection(LocalPlayer player, LocalSession session, Vector position);
-
     /**
      * Tell the player information about his/her secondary selection.
      *
@@ -68,9 +69,6 @@ public interface RegionSelector {
      */
     public void explainSecondarySelection(Actor actor, LocalSession session, Vector position);
 
-    @Deprecated
-    public void explainSecondarySelection(LocalPlayer player, LocalSession session, Vector position);
-
     /**
      * The the player information about the region's changes. This may resend
      * all the defining region information if needed.
@@ -80,9 +78,6 @@ public interface RegionSelector {
      */
     public void explainRegionAdjust(Actor actor, LocalSession session);
 
-    @Deprecated
-    public void explainRegionAdjust(LocalPlayer player, LocalSession session);
-
     /**
      * Get the primary position.
      * 

src/main/java/com/sk89q/worldedit/regions/selector/ConvexPolyhedralRegionSelector.java

@@ -19,12 +19,11 @@
 
 package com.sk89q.worldedit.regions.selector;
 
+import com.google.common.base.Optional;
 import com.sk89q.worldedit.BlockVector;
 import com.sk89q.worldedit.BlockVector2D;
 import com.sk89q.worldedit.IncompleteRegionException;
-import com.sk89q.worldedit.LocalPlayer;
 import com.sk89q.worldedit.LocalSession;
-import com.sk89q.worldedit.LocalWorld;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.extension.platform.Actor;
 import com.sk89q.worldedit.internal.cui.CUIRegion;
@@ -34,6 +33,7 @@ import com.sk89q.worldedit.regions.ConvexPolyhedralRegion;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.regions.RegionSelector;
 import com.sk89q.worldedit.regions.polyhedron.Triangle;
+import com.sk89q.worldedit.regions.selector.limit.SelectorLimits;
 import com.sk89q.worldedit.world.World;
 
 import javax.annotation.Nullable;
@@ -46,30 +46,26 @@ import java.util.Map;
 import static com.google.common.base.Preconditions.checkNotNull;
 
 /**
- * A {@link RegionSelector} for {@link ConvexPolyhedralRegion}s.
+ * Creates a {@code ConvexPolyhedralRegion} from a user's selections.
  */
 public class ConvexPolyhedralRegionSelector extends com.sk89q.worldedit.regions.ConvexPolyhedralRegionSelector implements RegionSelector, CUIRegion {
 
-    private int maxVertices;
     private final ConvexPolyhedralRegion region;
     private BlockVector pos1;
 
     /**
-     * @deprecated cast {@code world} to {@link World}
+     * Create a new selector with a {@code null} world.
      */
-    @Deprecated
+    public ConvexPolyhedralRegionSelector() {
-    public ConvexPolyhedralRegionSelector(@Nullable LocalWorld world, int maxVertices) {
+        this((World) null);
-        this((World) world, maxVertices);
     }
 
     /**
      * Create a new selector.
      *
-     * @param world the world
+     * @param world the world, which may be {@code null}
-     * @param maxVertices the maximum number of vertices, where a number below 0 means unbounded
      */
-    public ConvexPolyhedralRegionSelector(@Nullable World world, int maxVertices) {
+    public ConvexPolyhedralRegionSelector(@Nullable World world) {
-        this.maxVertices = maxVertices;
         region = new ConvexPolyhedralRegion(world);
     }
 
@@ -77,12 +73,10 @@ public class ConvexPolyhedralRegionSelector extends com.sk89q.worldedit.regions.
      * Create a new selector.
      *
      * @param oldSelector the old selector
-     * @param maxVertices the maximum number of vertices, where a number below 0 means unbounded
      */
-    public ConvexPolyhedralRegionSelector(RegionSelector oldSelector, int maxVertices) {
+    public ConvexPolyhedralRegionSelector(RegionSelector oldSelector) {
         checkNotNull(oldSelector);
 
-        this.maxVertices = maxVertices;
         if (oldSelector instanceof ConvexPolyhedralRegionSelector) {
             final ConvexPolyhedralRegionSelector convexPolyhedralRegionSelector = (ConvexPolyhedralRegionSelector) oldSelector;
 
@@ -102,7 +96,7 @@ public class ConvexPolyhedralRegionSelector extends com.sk89q.worldedit.regions.
 
             region = new ConvexPolyhedralRegion(oldRegion.getWorld());
 
-            for (final BlockVector2D pt : new ArrayList<BlockVector2D>(oldRegion.polygonize(maxVertices < 0 ? maxVertices : maxVertices / 2))) {
+            for (final BlockVector2D pt : new ArrayList<BlockVector2D>(oldRegion.polygonize(Integer.MAX_VALUE))) {
                 region.addVertex(pt.toVector(minY));
                 region.addVertex(pt.toVector(maxY));
             }
@@ -112,19 +106,24 @@ public class ConvexPolyhedralRegionSelector extends com.sk89q.worldedit.regions.
     }
 
     @Override
-    public boolean selectPrimary(Vector pos) {
+    public boolean selectPrimary(Vector position, SelectorLimits limits) {
+        checkNotNull(position);
         clear();
-        pos1 = pos.toBlockVector();
+        pos1 = position.toBlockVector();
-        return region.addVertex(pos);
+        return region.addVertex(position);
     }
 
     @Override
-    public boolean selectSecondary(Vector pos) {
+    public boolean selectSecondary(Vector position, SelectorLimits limits) {
-        if (maxVertices >= 0 && region.getVertices().size() > maxVertices) {
+        checkNotNull(position);
+
+        Optional<Integer> vertexLimit = limits.getPolyhedronVertexLimit();
+
+        if (vertexLimit.isPresent() && region.getVertices().size() > vertexLimit.get()) {
             return false;
         }
 
-        return region.addVertex(pos);
+        return region.addVertex(position);
     }
 
     @Override
@@ -184,6 +183,10 @@ public class ConvexPolyhedralRegionSelector extends com.sk89q.worldedit.regions.
 
     @Override
     public void explainPrimarySelection(Actor player, LocalSession session, Vector pos) {
+        checkNotNull(player);
+        checkNotNull(session);
+        checkNotNull(pos);
+
         session.describeCUI(player);
 
         player.print("Started new selection with vertex "+pos+".");
@@ -191,17 +194,22 @@ public class ConvexPolyhedralRegionSelector extends com.sk89q.worldedit.regions.
 
     @Override
     public void explainSecondarySelection(Actor player, LocalSession session, Vector pos) {
+        checkNotNull(player);
+        checkNotNull(session);
+        checkNotNull(pos);
+
         session.describeCUI(player);
 
-        player.print("Added vertex "+pos+" to the selection.");
+        player.print("Added vertex " + pos + " to the selection.");
     }
 
     @Override
     public void explainRegionAdjust(Actor player, LocalSession session) {
+        checkNotNull(player);
+        checkNotNull(session);
         session.describeCUI(player);
     }
 
-
     @Override
     public int getProtocolVersion() {
         return 3;
@@ -214,6 +222,9 @@ public class ConvexPolyhedralRegionSelector extends com.sk89q.worldedit.regions.
 
     @Override
     public void describeCUI(LocalSession session, Actor player) {
+        checkNotNull(player);
+        checkNotNull(session);
+
         Collection<Vector> vertices = region.getVertices();
         Collection<Triangle> triangles = region.getTriangles();
 
@@ -240,25 +251,13 @@ public class ConvexPolyhedralRegionSelector extends com.sk89q.worldedit.regions.
 
     @Override
     public void describeLegacyCUI(LocalSession session, Actor player) {
+        checkNotNull(player);
+        checkNotNull(session);
+
         if (isDefined()) {
             session.dispatchCUIEvent(player, new SelectionPointEvent(0, region.getMinimumPoint(), getArea()));
             session.dispatchCUIEvent(player, new SelectionPointEvent(1, region.getMaximumPoint(), getArea()));
         }
     }
 
-    @Override
-    public void explainPrimarySelection(LocalPlayer player, LocalSession session, Vector position) {
-        explainPrimarySelection((Actor) player, session, position);
-    }
-
-    @Override
-    public void explainSecondarySelection(LocalPlayer player, LocalSession session, Vector position) {
-        explainSecondarySelection((Actor) player, session, position);
-    }
-
-    @Override
-    public void explainRegionAdjust(LocalPlayer player, LocalSession session) {
-        explainRegionAdjust((Actor) player, session);
-    }
-
 }

src/main/java/com/sk89q/worldedit/regions/selector/CuboidRegionSelector.java

@@ -26,6 +26,7 @@ import com.sk89q.worldedit.internal.cui.SelectionPointEvent;
 import com.sk89q.worldedit.regions.CuboidRegion;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.regions.RegionSelector;
+import com.sk89q.worldedit.regions.selector.limit.SelectorLimits;
 import com.sk89q.worldedit.world.World;
 
 import javax.annotation.Nullable;
@@ -35,33 +36,25 @@ import java.util.List;
 import static com.google.common.base.Preconditions.checkNotNull;
 
 /**
- * A {@link RegionSelector} for {@link CuboidRegion}s.
+ * Creates a {@code CuboidRegion} from a user's selections.
  */
 public class CuboidRegionSelector extends com.sk89q.worldedit.regions.CuboidRegionSelector implements RegionSelector, CUIRegion {
 
-    protected BlockVector pos1;
+    protected BlockVector position1;
-    protected BlockVector pos2;
+    protected BlockVector position2;
     protected CuboidRegion region;
 
     /**
-     * Create a new region selector with no world.
+     * Create a new region selector with a {@code null} world.
      */
     public CuboidRegionSelector() {
         this((World) null);
     }
 
-    /**
-     * @deprecated cast {@code world} to {@link World}
-     */
-    @Deprecated
-    public CuboidRegionSelector(@Nullable LocalWorld world) {
-        this((World) world);
-    }
-
     /**
      * Create a new region selector.
      *
-     * @param world the world
+     * @param world the world, which may be {@code null}
      */
     public CuboidRegionSelector(@Nullable World world) {
         region = new CuboidRegion(world, new Vector(), new Vector());
@@ -74,11 +67,12 @@ public class CuboidRegionSelector extends com.sk89q.worldedit.regions.CuboidRegi
      */
     public CuboidRegionSelector(RegionSelector oldSelector) {
         this(checkNotNull(oldSelector).getIncompleteRegion().getWorld());
+
         if (oldSelector instanceof CuboidRegionSelector) {
             final CuboidRegionSelector cuboidRegionSelector = (CuboidRegionSelector) oldSelector;
 
-            pos1 = cuboidRegionSelector.pos1;
+            position1 = cuboidRegionSelector.position1;
-            pos2 = cuboidRegionSelector.pos2;
+            position2 = cuboidRegionSelector.position2;
         } else {
             final Region oldRegion;
             try {
@@ -87,67 +81,67 @@ public class CuboidRegionSelector extends com.sk89q.worldedit.regions.CuboidRegi
                 return;
             }
 
-            pos1 = oldRegion.getMinimumPoint().toBlockVector();
+            position1 = oldRegion.getMinimumPoint().toBlockVector();
-            pos2 = oldRegion.getMaximumPoint().toBlockVector();
+            position2 = oldRegion.getMaximumPoint().toBlockVector();
         }
 
-        region.setPos1(pos1);
+        region.setPos1(position1);
-        region.setPos2(pos2);
+        region.setPos2(position2);
-    }
-
-    /**
-     * @deprecated cast {@code world} to {@link World}
-     */
-    @Deprecated
-    public CuboidRegionSelector(@Nullable LocalWorld world, Vector pos1, Vector pos2) {
-        this((World) world, pos1, pos2);
     }
 
     /**
      * Create a new region selector with the given two positions.
      *
      * @param world the world
-     * @param pos1 position 1
+     * @param position1 position 1
-     * @param pos2 position 2
+     * @param position2 position 2
      */
-    public CuboidRegionSelector(@Nullable World world, Vector pos1, Vector pos2) {
+    public CuboidRegionSelector(@Nullable World world, Vector position1, Vector position2) {
         this(world);
-        checkNotNull(pos1);
+        checkNotNull(position1);
-        checkNotNull(pos2);
+        checkNotNull(position2);
-        this.pos1 = pos1.toBlockVector();
+        this.position1 = position1.toBlockVector();
-        this.pos2 = pos2.toBlockVector();
+        this.position2 = position2.toBlockVector();
-        region.setPos1(pos1);
+        region.setPos1(position1);
-        region.setPos2(pos2);
+        region.setPos2(position2);
     }
 
     @Override
-    public boolean selectPrimary(Vector pos) {
+    public boolean selectPrimary(Vector position, SelectorLimits limits) {
-        if (pos1 != null && (pos.compareTo(pos1) == 0)) {
+        checkNotNull(position);
+
+        if (position1 != null && (position.compareTo(position1) == 0)) {
             return false;
         }
 
-        pos1 = pos.toBlockVector();
+        position1 = position.toBlockVector();
-        region.setPos1(pos1);
+        region.setPos1(position1);
         return true;
     }
 
     @Override
-    public boolean selectSecondary(Vector pos) {
+    public boolean selectSecondary(Vector position, SelectorLimits limits) {
-        if (pos2 != null && (pos.compareTo(pos2)) == 0) {
+        checkNotNull(position);
+
+        if (position2 != null && (position.compareTo(position2)) == 0) {
             return false;
         }
 
-        pos2 = pos.toBlockVector();
+        position2 = position.toBlockVector();
-        region.setPos2(pos2);
+        region.setPos2(position2);
         return true;
     }
 
     @Override
     public void explainPrimarySelection(Actor player, LocalSession session, Vector pos) {
-        if (pos1 != null && pos2 != null) {
+        checkNotNull(player);
-            player.print("First position set to " + pos1 + " (" + region.getArea() + ").");
+        checkNotNull(session);
+        checkNotNull(pos);
+
+        if (position1 != null && position2 != null) {
+            player.print("First position set to " + position1 + " (" + region.getArea() + ").");
         } else {
-            player.print("First position set to " + pos1 + ".");
+            player.print("First position set to " + position1 + ".");
         }
 
         session.dispatchCUIEvent(player, new SelectionPointEvent(0, pos, getArea()));
@@ -155,10 +149,14 @@ public class CuboidRegionSelector extends com.sk89q.worldedit.regions.CuboidRegi
 
     @Override
     public void explainSecondarySelection(Actor player, LocalSession session, Vector pos) {
-        if (pos1 != null && pos2 != null) {
+        checkNotNull(player);
-            player.print("Second position set to " + pos2 + " (" + region.getArea() + ").");
+        checkNotNull(session);
+        checkNotNull(pos);
+
+        if (position1 != null && position2 != null) {
+            player.print("Second position set to " + position2 + " (" + region.getArea() + ").");
         } else {
-            player.print("Second position set to " + pos2 + ".");
+            player.print("Second position set to " + position2 + ".");
         }
 
         session.dispatchCUIEvent(player, new SelectionPointEvent(1, pos, getArea()));
@@ -166,32 +164,35 @@ public class CuboidRegionSelector extends com.sk89q.worldedit.regions.CuboidRegi
 
     @Override
     public void explainRegionAdjust(Actor player, LocalSession session) {
-        if (pos1 != null) {
+        checkNotNull(player);
-            session.dispatchCUIEvent(player, new SelectionPointEvent(0, pos1, getArea()));
+        checkNotNull(session);
+
+        if (position1 != null) {
+            session.dispatchCUIEvent(player, new SelectionPointEvent(0, position1, getArea()));
         }
 
-        if (pos2 != null) {
+        if (position2 != null) {
-            session.dispatchCUIEvent(player, new SelectionPointEvent(1, pos2, getArea()));
+            session.dispatchCUIEvent(player, new SelectionPointEvent(1, position2, getArea()));
         }
     }
 
     @Override
     public BlockVector getPrimaryPosition() throws IncompleteRegionException {
-        if (pos1 == null) {
+        if (position1 == null) {
             throw new IncompleteRegionException();
         }
 
-        return pos1;
+        return position1;
     }
 
     @Override
     public boolean isDefined() {
-        return pos1 != null && pos2 != null;
+        return position1 != null && position2 != null;
     }
 
     @Override
     public CuboidRegion getRegion() throws IncompleteRegionException {
-        if (pos1 == null || pos2 == null) {
+        if (position1 == null || position2 == null) {
             throw new IncompleteRegionException();
         }
 
@@ -205,14 +206,14 @@ public class CuboidRegionSelector extends com.sk89q.worldedit.regions.CuboidRegi
 
     @Override
     public void learnChanges() {
-        pos1 = region.getPos1().toBlockVector();
+        position1 = region.getPos1().toBlockVector();
-        pos2 = region.getPos2().toBlockVector();
+        position2 = region.getPos2().toBlockVector();
     }
 
     @Override
     public void clear() {
-        pos1 = null;
+        position1 = null;
-        pos2 = null;
+        position2 = null;
     }
 
     @Override
@@ -224,12 +225,12 @@ public class CuboidRegionSelector extends com.sk89q.worldedit.regions.CuboidRegi
     public List<String> getInformationLines() {
         final List<String> lines = new ArrayList<String>();
 
-        if (pos1 != null) {
+        if (position1 != null) {
-            lines.add("Position 1: " + pos1);
+            lines.add("Position 1: " + position1);
         }
 
-        if (pos2 != null) {
+        if (position2 != null) {
-            lines.add("Position 2: " + pos2);
+            lines.add("Position 2: " + position2);
         }
 
         return lines;
@@ -237,11 +238,11 @@ public class CuboidRegionSelector extends com.sk89q.worldedit.regions.CuboidRegi
 
     @Override
     public int getArea() {
-        if (pos1 == null) {
+        if (position1 == null) {
             return -1;
         }
 
-        if (pos2 == null) {
+        if (position2 == null) {
             return -1;
         }
 
@@ -250,12 +251,12 @@ public class CuboidRegionSelector extends com.sk89q.worldedit.regions.CuboidRegi
 
     @Override
     public void describeCUI(LocalSession session, Actor player) {
-        if (pos1 != null) {
+        if (position1 != null) {
-            session.dispatchCUIEvent(player, new SelectionPointEvent(0, pos1, getArea()));
+            session.dispatchCUIEvent(player, new SelectionPointEvent(0, position1, getArea()));
         }
 
-        if (pos2 != null) {
+        if (position2 != null) {
-            session.dispatchCUIEvent(player, new SelectionPointEvent(1, pos2, getArea()));
+            session.dispatchCUIEvent(player, new SelectionPointEvent(1, position2, getArea()));
         }
     }
 
@@ -278,20 +279,5 @@ public class CuboidRegionSelector extends com.sk89q.worldedit.regions.CuboidRegi
     public String getLegacyTypeID() {
         return "cuboid";
     }
-
-    @Override
-    public void explainPrimarySelection(LocalPlayer player, LocalSession session, Vector position) {
-        explainPrimarySelection((Actor) player, session, position);
-    }
-
-    @Override
-    public void explainSecondarySelection(LocalPlayer player, LocalSession session, Vector position) {
-        explainSecondarySelection((Actor) player, session, position);
-    }
-
-    @Override
-    public void explainRegionAdjust(LocalPlayer player, LocalSession session) {
-        explainRegionAdjust((Actor) player, session);
-    }
     
 }

src/main/java/com/sk89q/worldedit/regions/selector/CylinderRegionSelector.java

@@ -25,6 +25,7 @@ import com.sk89q.worldedit.internal.cui.*;
 import com.sk89q.worldedit.regions.CylinderRegion;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.regions.RegionSelector;
+import com.sk89q.worldedit.regions.selector.limit.SelectorLimits;
 import com.sk89q.worldedit.world.World;
 
 import javax.annotation.Nullable;
@@ -35,7 +36,7 @@ import java.util.List;
 import static com.google.common.base.Preconditions.checkNotNull;
 
 /**
- * A {@link RegionSelector} for {@link CylinderRegion}s.
+ * Creates a {@code CylinderRegionSelector} from a user's selections.
  */
 public class CylinderRegionSelector extends com.sk89q.worldedit.regions.CylinderRegionSelector implements RegionSelector, CUIRegion {
 
@@ -48,17 +49,16 @@ public class CylinderRegionSelector extends com.sk89q.worldedit.regions.Cylinder
     }
 
     /**
-     * @deprecated cast {@code world} to {@link World}
+     * Create a new region selector with a {@code null} world.
      */
-    @Deprecated
+    public CylinderRegionSelector() {
-    public CylinderRegionSelector(@Nullable LocalWorld world) {
+        this((World) null);
-        this((World) world);
     }
 
     /**
      * Create a new region selector.
      *
-     * @param world the world
+     * @param world the world, which may be {@code null}
      */
     public CylinderRegionSelector(@Nullable World world) {
         region = new CylinderRegion(world);
@@ -71,6 +71,7 @@ public class CylinderRegionSelector extends com.sk89q.worldedit.regions.Cylinder
      */
     public CylinderRegionSelector(RegionSelector oldSelector) {
         this(checkNotNull(oldSelector).getIncompleteRegion().getWorld());
+
         if (oldSelector instanceof CylinderRegionSelector) {
             final CylinderRegionSelector cylSelector = (CylinderRegionSelector) oldSelector;
 
@@ -104,7 +105,7 @@ public class CylinderRegionSelector extends com.sk89q.worldedit.regions.Cylinder
      * @param minY the minimum Y
      * @param maxY the maximum Y
      */
-    public CylinderRegionSelector(@Nullable LocalWorld world, Vector2D center, Vector2D radius, int minY, int maxY) {
+    public CylinderRegionSelector(@Nullable World world, Vector2D center, Vector2D radius, int minY, int maxY) {
         this(world);
 
         region.setCenter(center);
@@ -115,30 +116,30 @@ public class CylinderRegionSelector extends com.sk89q.worldedit.regions.Cylinder
     }
 
     @Override
-    public boolean selectPrimary(Vector pos) {
+    public boolean selectPrimary(Vector position, SelectorLimits limits) {
-        if (!region.getCenter().equals(Vector.ZERO) && pos.compareTo(region.getCenter()) == 0) {
+        if (!region.getCenter().equals(Vector.ZERO) && position.compareTo(region.getCenter()) == 0) {
             return false;
         }
 
         region = new CylinderRegion(region.getWorld());
-        region.setCenter(pos.toVector2D());
+        region.setCenter(position.toVector2D());
-        region.setY(pos.getBlockY());
+        region.setY(position.getBlockY());
 
         return true;
     }
 
     @Override
-    public boolean selectSecondary(Vector pos) {
+    public boolean selectSecondary(Vector position, SelectorLimits limits) {
         Vector center = region.getCenter();
         if ((center.compareTo(Vector.ZERO)) == 0) {
             return true;
         }
 
-        final Vector2D diff = pos.subtract(center).toVector2D();
+        final Vector2D diff = position.subtract(center).toVector2D();
         final Vector2D minRadius = Vector2D.getMaximum(diff, diff.multiply(-1.0));
         region.extendRadius(minRadius);
 
-        region.setY(pos.getBlockY());
+        region.setY(position.getBlockY());
 
         return true;
     }
@@ -153,6 +154,7 @@ public class CylinderRegionSelector extends com.sk89q.worldedit.regions.Cylinder
     @Override
     public void explainSecondarySelection(Actor player, LocalSession session, Vector pos) {
         Vector center = region.getCenter();
+
         if (!center.equals(Vector.ZERO)) {
             player.print("Radius set to " + format.format(region.getRadius().getX()) + "/" + format.format(region.getRadius().getZ()) + " blocks. (" + region.getArea() + ").");
         } else {
@@ -258,19 +260,4 @@ public class CylinderRegionSelector extends com.sk89q.worldedit.regions.Cylinder
         return "cuboid";
     }
 
-    @Override
-    public void explainPrimarySelection(LocalPlayer player, LocalSession session, Vector position) {
-        explainPrimarySelection((Actor) player, session, position);
-    }
-
-    @Override
-    public void explainSecondarySelection(LocalPlayer player, LocalSession session, Vector position) {
-        explainSecondarySelection((Actor) player, session, position);
-    }
-
-    @Override
-    public void explainRegionAdjust(LocalPlayer player, LocalSession session) {
-        explainRegionAdjust((Actor) player, session);
-    }
-
 }

src/main/java/com/sk89q/worldedit/regions/selector/EllipsoidRegionSelector.java

@@ -27,6 +27,7 @@ import com.sk89q.worldedit.internal.cui.SelectionPointEvent;
 import com.sk89q.worldedit.regions.EllipsoidRegion;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.regions.RegionSelector;
+import com.sk89q.worldedit.regions.selector.limit.SelectorLimits;
 import com.sk89q.worldedit.world.World;
 
 import javax.annotation.Nullable;
@@ -36,7 +37,7 @@ import java.util.List;
 import static com.google.common.base.Preconditions.checkNotNull;
 
 /**
- * A {@link RegionSelector} for {@link EllipsoidRegion}s.
+ * Creates a {@code EllipsoidRegionSelector} from a user's selections.
  */
 public class EllipsoidRegionSelector extends com.sk89q.worldedit.regions.EllipsoidRegionSelector implements RegionSelector, CUIRegion {
 
@@ -44,24 +45,16 @@ public class EllipsoidRegionSelector extends com.sk89q.worldedit.regions.Ellipso
     protected boolean started = false;
 
     /**
-     * Create a new selector.
+     * Create a new selector with a {@code null} world.
      */
     public EllipsoidRegionSelector() {
         this((World) null);
     }
 
-    /**
-     * @deprecated cast {@code world} to {@link World}
-     */
-    @Deprecated
-    public EllipsoidRegionSelector(@Nullable LocalWorld world) {
-        this((World) world);
-    }
-
     /**
      * Create a new selector.
      *
-     * @param world the world
+     * @param world the world, which may be {@code null}
      */
     public EllipsoidRegionSelector(@Nullable World world) {
         region = new EllipsoidRegion(world, new Vector(), new Vector());
@@ -102,7 +95,7 @@ public class EllipsoidRegionSelector extends com.sk89q.worldedit.regions.Ellipso
      * @param center the center
      * @param radius the radius
      */
-    public EllipsoidRegionSelector(@Nullable LocalWorld world, Vector center, Vector radius) {
+    public EllipsoidRegionSelector(@Nullable World world, Vector center, Vector radius) {
         this(world);
 
         region.setCenter(center);
@@ -110,12 +103,12 @@ public class EllipsoidRegionSelector extends com.sk89q.worldedit.regions.Ellipso
     }
 
     @Override
-    public boolean selectPrimary(Vector pos) {
+    public boolean selectPrimary(Vector position, SelectorLimits limits) {
-        if (pos.equals(region.getCenter()) && region.getRadius().lengthSq() == 0) {
+        if (position.equals(region.getCenter()) && region.getRadius().lengthSq() == 0) {
             return false;
         }
 
-        region.setCenter(pos.toBlockVector());
+        region.setCenter(position.toBlockVector());
         region.setRadius(new Vector());
         started = true;
 
@@ -123,12 +116,12 @@ public class EllipsoidRegionSelector extends com.sk89q.worldedit.regions.Ellipso
     }
 
     @Override
-    public boolean selectSecondary(Vector pos) {
+    public boolean selectSecondary(Vector position, SelectorLimits limits) {
         if (!started) {
             return false;
         }
 
-        final Vector diff = pos.subtract(region.getCenter());
+        final Vector diff = position.subtract(region.getCenter());
         final Vector minRadius = Vector.getMaximum(diff, diff.multiply(-1.0));
         region.extendRadius(minRadius);
         return true;
@@ -249,19 +242,4 @@ public class EllipsoidRegionSelector extends com.sk89q.worldedit.regions.Ellipso
         return region.getCenter().toBlockVector();
     }
 
-    @Override
-    public void explainPrimarySelection(LocalPlayer player, LocalSession session, Vector position) {
-        explainPrimarySelection((Actor) player, session, position);
-    }
-
-    @Override
-    public void explainSecondarySelection(LocalPlayer player, LocalSession session, Vector position) {
-        explainSecondarySelection((Actor) player, session, position);
-    }
-
-    @Override
-    public void explainRegionAdjust(LocalPlayer player, LocalSession session) {
-        explainRegionAdjust((Actor) player, session);
-    }
-
 }

src/main/java/com/sk89q/worldedit/regions/selector/ExtendingCuboidRegionSelector.java

@@ -19,29 +19,33 @@
 
 package com.sk89q.worldedit.regions.selector;
 
-import com.sk89q.worldedit.*;
+import com.sk89q.worldedit.BlockVector;
+import com.sk89q.worldedit.LocalSession;
+import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.extension.platform.Actor;
-import com.sk89q.worldedit.regions.CuboidRegion;
 import com.sk89q.worldedit.regions.RegionSelector;
+import com.sk89q.worldedit.regions.selector.limit.SelectorLimits;
 import com.sk89q.worldedit.world.World;
 
 import javax.annotation.Nullable;
 
 /**
- * A {@link RegionSelector} for {@link CuboidRegion}s that enlarges the
+ * Creates a {@code CuboidRegion} from a user's selections by expanding
- * region with every secondary selection.
+ * the region on every right click.
  */
 public class ExtendingCuboidRegionSelector extends CuboidRegionSelector {
 
-    @Deprecated
+    /**
-    public ExtendingCuboidRegionSelector(@Nullable LocalWorld world) {
+     * Create a new selector with a {@code null} world.
-        this((World) world);
+     */
+    public ExtendingCuboidRegionSelector() {
+        super((World) null);
     }
 
     /**
      * Create a new selector.
      *
-     * @param world the world
+     * @param world the world, which may be {@code null}
      */
     public ExtendingCuboidRegionSelector(@Nullable World world) {
         super(world);
@@ -55,71 +59,71 @@ public class ExtendingCuboidRegionSelector extends CuboidRegionSelector {
     public ExtendingCuboidRegionSelector(RegionSelector oldSelector) {
         super(oldSelector);
 
-        if (pos1 == null || pos2 == null) {
+        if (position1 == null || position2 == null) {
             return;
         }
 
-        pos1 = region.getMinimumPoint().toBlockVector();
+        position1 = region.getMinimumPoint().toBlockVector();
-        pos2 = region.getMaximumPoint().toBlockVector();
+        position2 = region.getMaximumPoint().toBlockVector();
-        region.setPos1(pos1);
+        region.setPos1(position1);
-        region.setPos2(pos2);
+        region.setPos2(position2);
     }
 
     /**
      * Create a new selector.
      *
      * @param world the world
-     * @param pos1 the first position
+     * @param position1 the first position
-     * @param pos2 the second position
+     * @param position2 the second position
      */
-    public ExtendingCuboidRegionSelector(@Nullable LocalWorld world, Vector pos1, Vector pos2) {
+    public ExtendingCuboidRegionSelector(@Nullable World world, Vector position1, Vector position2) {
         this(world);
-        pos1 = Vector.getMinimum(pos1,  pos2);
+        position1 = Vector.getMinimum(position1, position2);
-        pos2 = Vector.getMaximum(pos1,  pos2);
+        position2 = Vector.getMaximum(position1, position2);
-        region.setPos1(pos1);
+        region.setPos1(position1);
-        region.setPos2(pos2);
+        region.setPos2(position2);
     }
 
     @Override
-    public boolean selectPrimary(Vector pos) {
+    public boolean selectPrimary(Vector position, SelectorLimits limits) {
-        if (pos1 != null && pos2 != null && pos.compareTo(pos1) == 0 && pos.compareTo(pos2) == 0) {
+        if (position1 != null && position2 != null && position.compareTo(position1) == 0 && position.compareTo(position2) == 0) {
             return false;
         }
 
-        pos1 = pos2 = pos.toBlockVector();
+        position1 = position2 = position.toBlockVector();
-        region.setPos1(pos1);
+        region.setPos1(position1);
-        region.setPos2(pos2);
+        region.setPos2(position2);
         return true;
     }
 
     @Override
-    public boolean selectSecondary(Vector pos) {
+    public boolean selectSecondary(Vector position, SelectorLimits limits) {
-        if (pos1 == null || pos2 == null) {
+        if (position1 == null || position2 == null) {
-            return selectPrimary(pos);
+            return selectPrimary(position, limits);
         }
 
-        if (region.contains(pos)) {
+        if (region.contains(position)) {
             return false;
         }
 
-        double x1 = Math.min(pos.getX(), pos1.getX());
+        double x1 = Math.min(position.getX(), position1.getX());
-        double y1 = Math.min(pos.getY(), pos1.getY());
+        double y1 = Math.min(position.getY(), position1.getY());
-        double z1 = Math.min(pos.getZ(), pos1.getZ());
+        double z1 = Math.min(position.getZ(), position1.getZ());
 
-        double x2 = Math.max(pos.getX(), pos2.getX());
+        double x2 = Math.max(position.getX(), position2.getX());
-        double y2 = Math.max(pos.getY(), pos2.getY());
+        double y2 = Math.max(position.getY(), position2.getY());
-        double z2 = Math.max(pos.getZ(), pos2.getZ());
+        double z2 = Math.max(position.getZ(), position2.getZ());
 
-        final BlockVector o1 = pos1;
+        final BlockVector o1 = position1;
-        final BlockVector o2 = pos2;
+        final BlockVector o2 = position2;
-        pos1 = new BlockVector(x1, y1, z1);
+        position1 = new BlockVector(x1, y1, z1);
-        pos2 = new BlockVector(x2, y2, z2);
+        position2 = new BlockVector(x2, y2, z2);
-        region.setPos1(pos1);
+        region.setPos1(position1);
-        region.setPos2(pos2);
+        region.setPos2(position2);
 
         assert(region.contains(o1));
         assert(region.contains(o2));
-        assert(region.contains(pos));
+        assert(region.contains(position));
 
         return true;
     }
@@ -138,19 +142,4 @@ public class ExtendingCuboidRegionSelector extends CuboidRegionSelector {
         explainRegionAdjust(player, session);
     }
 
-    @Override
-    public void explainPrimarySelection(LocalPlayer player, LocalSession session, Vector position) {
-        explainPrimarySelection((Actor) player, session, position);
-    }
-
-    @Override
-    public void explainSecondarySelection(LocalPlayer player, LocalSession session, Vector position) {
-        explainSecondarySelection((Actor) player, session, position);
-    }
-
-    @Override
-    public void explainRegionAdjust(LocalPlayer player, LocalSession session) {
-        explainRegionAdjust((Actor) player, session);
-    }
-
 }

src/main/java/com/sk89q/worldedit/regions/selector/Polygonal2DRegionSelector.java

@@ -19,6 +19,7 @@
 
 package com.sk89q.worldedit.regions.selector;
 
+import com.google.common.base.Optional;
 import com.sk89q.worldedit.*;
 import com.sk89q.worldedit.extension.platform.Actor;
 import com.sk89q.worldedit.internal.cui.CUIRegion;
@@ -28,6 +29,7 @@ import com.sk89q.worldedit.internal.cui.SelectionShapeEvent;
 import com.sk89q.worldedit.regions.Polygonal2DRegion;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.regions.RegionSelector;
+import com.sk89q.worldedit.regions.selector.limit.SelectorLimits;
 import com.sk89q.worldedit.world.World;
 
 import javax.annotation.Nullable;
@@ -37,57 +39,37 @@ import java.util.List;
 import static com.google.common.base.Preconditions.checkNotNull;
 
 /**
- * A {@link RegionSelector} for {@link Polygonal2DRegion}s.
+ * Creates a {@code Polygonal2DRegion} from a user's selections.
  */
 public class Polygonal2DRegionSelector extends com.sk89q.worldedit.regions.Polygonal2DRegionSelector implements RegionSelector, CUIRegion {
 
-    private int maxPoints;
     private BlockVector pos1;
     private Polygonal2DRegion region;
 
     /**
-     * @deprecated Use {@link #Polygonal2DRegionSelector(LocalWorld, int)}
+     * Create a new selector with a {@code null} world.
      */
-    @Deprecated
+    public Polygonal2DRegionSelector() {
-    public Polygonal2DRegionSelector(@Nullable LocalWorld world) {
+        this((World) null);
-        this(world, 50);
     }
 
     /**
-     * @deprecated cast {@code world} to {@link World}
+     * Create a new selector with the given world.
-     */
-    @Deprecated
-    public Polygonal2DRegionSelector(@Nullable LocalWorld world, int maxPoints) {
-        this((World) world, maxPoints);
-    }
-
-    /**
-     * Create a new selector.
      *
      * @param world the world
-     * @param maxPoints the maximum number of points
      */
-    public Polygonal2DRegionSelector(@Nullable World world, int maxPoints) {
+    public Polygonal2DRegionSelector(@Nullable World world) {
-        this.maxPoints = maxPoints;
         region = new Polygonal2DRegion(world);
     }
 
-    /**
-     * @deprecated Use {@link #Polygonal2DRegionSelector(RegionSelector, int)}
-     */
-    @Deprecated
-    public Polygonal2DRegionSelector(RegionSelector oldSelector) {
-        this(oldSelector, 50);
-    }
-
     /**
      * Create a new selector from another one.
      *
      * @param oldSelector the old selector
-     * @param maxPoints the maximum number of points
      */
-    public Polygonal2DRegionSelector(RegionSelector oldSelector, int maxPoints) {
+    public Polygonal2DRegionSelector(RegionSelector oldSelector) {
-        this(checkNotNull(oldSelector).getIncompleteRegion().getWorld(), maxPoints);
+        this(checkNotNull(oldSelector).getIncompleteRegion().getWorld());
+
         if (oldSelector instanceof Polygonal2DRegionSelector) {
             final Polygonal2DRegionSelector polygonal2DRegionSelector = (Polygonal2DRegionSelector) oldSelector;
 
@@ -104,7 +86,7 @@ public class Polygonal2DRegionSelector extends com.sk89q.worldedit.regions.Polyg
             final int minY = oldRegion.getMinimumPoint().getBlockY();
             final int maxY = oldRegion.getMaximumPoint().getBlockY();
 
-            List<BlockVector2D> points = oldRegion.polygonize(maxPoints);
+            List<BlockVector2D> points = oldRegion.polygonize(Integer.MAX_VALUE);
 
             pos1 = points.get(0).toVector(minY).toBlockVector();
             region = new Polygonal2DRegion(oldRegion.getWorld(), points, minY, maxY);
@@ -136,36 +118,38 @@ public class Polygonal2DRegionSelector extends com.sk89q.worldedit.regions.Polyg
     }
 
     @Override
-    public boolean selectPrimary(Vector pos) {
+    public boolean selectPrimary(Vector position, SelectorLimits limits) {
-        if (pos.equals(pos1)) {
+        if (position.equals(pos1)) {
             return false;
         }
 
-        pos1 = pos.toBlockVector();
+        pos1 = position.toBlockVector();
         region = new Polygonal2DRegion(region.getWorld());
-        region.addPoint(pos);
+        region.addPoint(position);
-        region.expandY(pos.getBlockY());
+        region.expandY(position.getBlockY());
 
         return true;
     }
 
     @Override
-    public boolean selectSecondary(Vector pos) {
+    public boolean selectSecondary(Vector position, SelectorLimits limits) {
         if (region.size() > 0) {
             final List<BlockVector2D> points = region.getPoints();
 
             final BlockVector2D lastPoint = points.get(region.size() - 1);
-            if (lastPoint.getBlockX() == pos.getBlockX() && lastPoint.getBlockZ() == pos.getBlockZ()) {
+            if (lastPoint.getBlockX() == position.getBlockX() && lastPoint.getBlockZ() == position.getBlockZ()) {
                 return false;
             }
 
-            if (maxPoints >= 0 && points.size() > maxPoints) {
+            Optional<Integer> vertexLimit = limits.getPolygonVertexLimit();
+
+            if (vertexLimit.isPresent() && points.size() > vertexLimit.get()) {
                 return false;
             }
         }
 
-        region.addPoint(pos);
+        region.addPoint(position);
-        region.expandY(pos.getBlockY());
+        region.expandY(position.getBlockY());
 
         return true;
     }
@@ -288,19 +272,4 @@ public class Polygonal2DRegionSelector extends com.sk89q.worldedit.regions.Polyg
         return "polygon2d";
     }
 
-    @Override
-    public void explainPrimarySelection(LocalPlayer player, LocalSession session, Vector position) {
-        explainPrimarySelection((Actor) player, session, position);
-    }
-
-    @Override
-    public void explainSecondarySelection(LocalPlayer player, LocalSession session, Vector position) {
-        explainSecondarySelection((Actor) player, session, position);
-    }
-
-    @Override
-    public void explainRegionAdjust(LocalPlayer player, LocalSession session) {
-        explainRegionAdjust((Actor) player, session);
-    }
-
 }

src/main/java/com/sk89q/worldedit/regions/selector/SphereRegionSelector.java

@@ -19,42 +19,36 @@
 
 package com.sk89q.worldedit.regions.selector;
 
-import com.sk89q.worldedit.LocalPlayer;
 import com.sk89q.worldedit.LocalSession;
-import com.sk89q.worldedit.LocalWorld;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.extension.platform.Actor;
 import com.sk89q.worldedit.regions.RegionSelector;
+import com.sk89q.worldedit.regions.selector.limit.SelectorLimits;
 import com.sk89q.worldedit.world.World;
 
 import javax.annotation.Nullable;
 
 /**
- * A {@link RegionSelector} for {@link SphereRegionSelector}s.
+ * Creates a {@code SphereRegion} from a user's selections.
  */
 public class SphereRegionSelector extends EllipsoidRegionSelector {
 
-    @Deprecated
+    /**
-    public SphereRegionSelector(@Nullable LocalWorld world) {
+     * Create a new selector with a {@code null world}.
-        this((World) world);
+     */
+    public SphereRegionSelector() {
+        super();
     }
 
     /**
      * Create a new selector.
      *
-     * @param world the world
+     * @param world the world, which may be {@code null}
      */
     public SphereRegionSelector(@Nullable World world) {
         super(world);
     }
 
-    /**
-     * Create a new selector.
-     */
-    public SphereRegionSelector() {
-        super();
-    }
-
     /**
      * Create a new selector from another one
      *
@@ -74,17 +68,17 @@ public class SphereRegionSelector extends EllipsoidRegionSelector {
      * @param center the center position
      * @param radius the radius
      */
-    public SphereRegionSelector(@Nullable LocalWorld world, Vector center, int radius) {
+    public SphereRegionSelector(@Nullable World world, Vector center, int radius) {
         super(world, center, new Vector(radius, radius, radius));
     }
 
     @Override
-    public boolean selectSecondary(Vector pos) {
+    public boolean selectSecondary(Vector position, SelectorLimits limits) {
         if (!started) {
             return false;
         }
 
-        final double radiusScalar = Math.ceil(pos.distance(region.getCenter()));
+        final double radiusScalar = Math.ceil(position.distance(region.getCenter()));
         region.setRadius(new Vector(radiusScalar, radiusScalar, radiusScalar));
 
         return true;
@@ -106,19 +100,4 @@ public class SphereRegionSelector extends EllipsoidRegionSelector {
         return "sphere";
     }
 
-    @Override
-    public void explainPrimarySelection(LocalPlayer player, LocalSession session, Vector position) {
-        explainPrimarySelection((Actor) player, session, position);
-    }
-
-    @Override
-    public void explainSecondarySelection(LocalPlayer player, LocalSession session, Vector position) {
-        explainSecondarySelection((Actor) player, session, position);
-    }
-
-    @Override
-    public void explainRegionAdjust(LocalPlayer player, LocalSession session) {
-        explainRegionAdjust((Actor) player, session);
-    }
-
 }

src/main/java/com/sk89q/worldedit/regions/selector/limit/PermissiveSelectorLimits.java

@@ -0,0 +1,53 @@
+/*
+ * WorldEdit, a Minecraft world manipulation toolkit
+ * Copyright (C) sk89q <http://www.sk89q.com>
+ * Copyright (C) WorldEdit team and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser 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 Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.sk89q.worldedit.regions.selector.limit;
+
+import com.google.common.base.Optional;
+
+/**
+ * No limits at all.
+ */
+public class PermissiveSelectorLimits implements SelectorLimits {
+
+    private static final PermissiveSelectorLimits INSTANCE = new PermissiveSelectorLimits();
+
+    private PermissiveSelectorLimits() {
+    }
+
+    @Override
+    public Optional<Integer> getPolygonVertexLimit() {
+        return Optional.absent();
+    }
+
+    @Override
+    public Optional<Integer> getPolyhedronVertexLimit() {
+        return Optional.absent();
+    }
+
+    /**
+     * Get a static instance.
+     *
+     * @return an instance
+     */
+    public static PermissiveSelectorLimits getInstance() {
+        return INSTANCE;
+    }
+
+}

src/main/java/com/sk89q/worldedit/regions/selector/limit/SelectorLimits.java

@@ -0,0 +1,47 @@
+/*
+ * WorldEdit, a Minecraft world manipulation toolkit
+ * Copyright (C) sk89q <http://www.sk89q.com>
+ * Copyright (C) WorldEdit team and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser 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 Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.sk89q.worldedit.regions.selector.limit;
+
+import com.google.common.base.Optional;
+
+/**
+ * Defines limits for selections.
+ */
+public interface SelectorLimits {
+
+    /**
+     * Get the optionally defined vertex limit for polygons.
+     *
+     * <p>If one is not present, then there is no limitation.</p>
+     *
+     * @return an optional vertex limit
+     */
+    Optional<Integer> getPolygonVertexLimit();
+
+    /**
+     * Get the optionally defined vertex limit for polyhedrons.
+     *
+     * <p>If one is not present, then there is no limitation.</p>
+     *
+     * @return an optional vertex limit
+     */
+    Optional<Integer> getPolyhedronVertexLimit();
+
+}