toggles and timeouts

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitCommandSender.java

@@ -21,7 +21,6 @@ package com.sk89q.worldedit.bukkit;
 
 import static com.google.common.base.Preconditions.checkArgument;
 import static com.google.common.base.Preconditions.checkNotNull;
-
 import com.sk89q.worldedit.extension.platform.Actor;
 import com.sk89q.worldedit.internal.cui.CUIEvent;
 import com.sk89q.worldedit.session.SessionKey;
@@ -29,11 +28,10 @@ import com.sk89q.worldedit.util.auth.AuthorizationException;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
+import javax.annotation.Nullable;
 import java.io.File;
 import java.util.UUID;
 
-import javax.annotation.Nullable;
-
 public class BukkitCommandSender implements Actor {
 
     /**
@@ -106,6 +104,13 @@ public class BukkitCommandSender implements Actor {
         return true;
     }
 
+    @Override public boolean togglePermission(String permission) {
+        return false;
+    }
+
+    @Override public void setPermission(String permission, boolean value) {
+    }
+
     @Override
     public void checkPermission(String permission) throws AuthorizationException {
     }

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitPlayer.java

@@ -19,6 +19,8 @@
 
 package com.sk89q.worldedit.bukkit;
 
+import com.boydti.fawe.Fawe;
+import com.boydti.fawe.bukkit.FaweBukkit;
 import com.boydti.fawe.object.RunnableVal;
 import com.boydti.fawe.util.TaskManager;
 
@@ -200,6 +202,33 @@ public class BukkitPlayer extends AbstractPlayerActor {
                         player.getWorld().getName(), player, perm);
     }
 
+    @Override public boolean togglePermission(String permission) {
+        if (this.hasPermission(permission)) {
+            player.addAttachment(plugin).setPermission(permission, false);
+            return false;
+        } else {
+            player.addAttachment(plugin).setPermission(permission, true);
+            return true;
+        }
+    }
+
+    @Override
+    public void setPermission(String permission, boolean value) {
+        /*
+         *  Permissions are used to managing WorldEdit region restrictions
+         *   - The `/wea` command will give/remove the required bypass permission
+         */
+        if (Fawe.<FaweBukkit>imp().getVault() == null || Fawe.<FaweBukkit> imp().getVault().permission == null) {
+            player.addAttachment(Fawe.<FaweBukkit> imp().getPlugin()).setPermission(permission, value);
+        } else if (value) {
+            if (!Fawe.<FaweBukkit> imp().getVault().permission.playerAdd(player, permission)) {
+                player.addAttachment(Fawe.<FaweBukkit> imp().getPlugin()).setPermission(permission, value);
+            }
+        } else if (!Fawe.<FaweBukkit>imp().getVault().permission.playerRemove(player, permission)) {
+            player.addAttachment(Fawe.<FaweBukkit>imp().getPlugin()).setPermission(permission, value);
+        }
+    }
+
     @Override
     public World getWorld() {
         return BukkitAdapter.adapt(player.getWorld());

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

@@ -1,7 +1,6 @@
 package com.boydti.fawe.object;
 
 import com.boydti.fawe.Fawe;
-import com.boydti.fawe.FaweAPI;
 import com.boydti.fawe.command.CFICommands;
 import com.boydti.fawe.config.BBC;
 import com.boydti.fawe.config.Settings;
@@ -249,16 +248,6 @@ public abstract class FawePlayer<T> extends Metadatable {
         }
     }
 
-    public boolean toggle(String perm) {
-        if (this.hasPermission(perm)) {
-            this.setPermission(perm, false);
-            return false;
-        } else {
-            this.setPermission(perm, true);
-            return true;
-        }
-    }
-
     /**
      * Queue an action to run async
      * @param run
@@ -457,14 +446,6 @@ public abstract class FawePlayer<T> extends Metadatable {
      */
     public abstract boolean hasPermission(final String perm);
 
-    /**
-     * Set a permission (requires Vault)
-     *
-     * @param perm
-     * @param flag
-     */
-    public abstract void setPermission(final String perm, final boolean flag);
-
     /**
      * Send a message to the player
      *

worldedit-core/src/main/java/com/boydti/fawe/wrappers/PlayerWrapper.java

@@ -5,9 +5,10 @@ import com.boydti.fawe.object.FawePlayer;
 import com.boydti.fawe.object.RunnableVal;
 import com.boydti.fawe.util.EditSessionBuilder;
 import com.boydti.fawe.util.TaskManager;
-import com.sk89q.worldedit.*;
+
-import com.sk89q.worldedit.world.block.BaseBlock;
+import com.sk89q.worldedit.EditSession;
-import com.sk89q.worldedit.world.block.BlockState;
+import com.sk89q.worldedit.LocalSession;
+import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.blocks.BaseItemStack;
 import com.sk89q.worldedit.entity.BaseEntity;
 import com.sk89q.worldedit.entity.Player;
@@ -22,16 +23,14 @@ import com.sk89q.worldedit.util.Direction;
 import com.sk89q.worldedit.util.HandSide;
 import com.sk89q.worldedit.util.Location;
 import com.sk89q.worldedit.util.TargetBlock;
-import com.sk89q.worldedit.util.auth.AuthorizationException;
 import com.sk89q.worldedit.world.World;
+import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.world.block.BlockTypes;
 import com.sk89q.worldedit.world.gamemode.GameMode;
 
 import javax.annotation.Nullable;
 import java.io.File;
 import java.util.UUID;
-import java.util.concurrent.Callable;
-import java.util.function.Supplier;
 
 public class PlayerWrapper extends AbstractPlayerActor {
     private final Player parent;
@@ -131,6 +130,14 @@ public class PlayerWrapper extends AbstractPlayerActor {
         return parent.hasPermission(perm);
     }
 
+    @Override public boolean togglePermission(String permission) {
+        return parent.togglePermission(permission);
+    }
+
+    @Override public void setPermission(String permission, boolean value) {
+        parent.setPermission(permission, value);
+    }
+
     @Override
     public void dispatchCUIEvent(CUIEvent event) {
         parent.dispatchCUIEvent(event);
@@ -336,9 +343,7 @@ public class PlayerWrapper extends AbstractPlayerActor {
 
     @Override
     public boolean passThroughForwardWall(final int range) {
-        return TaskManager.IMP.sync(new Supplier<Boolean>() {
+        return TaskManager.IMP.sync(() -> {
-            @Override
-            public Boolean get() {
             int searchDist = 0;
             TargetBlock hitBlox = new TargetBlock(PlayerWrapper.this, range, 0.2);
             Extent world = getLocation().getExtent();
@@ -379,7 +384,6 @@ public class PlayerWrapper extends AbstractPlayerActor {
             }
 
             return false;
-            }
         });
     }
 

worldedit-core/src/main/java/com/sk89q/worldedit/EditSession.java

@@ -377,7 +377,6 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
             } else {
                 this.extent = new ProcessedWEExtent(this.extent, this.limit);
                 if (allowedRegions.length == 1) {
-                    Region region = allowedRegions[0];
                     this.extent = new SingleRegionExtent(this.extent, this.limit, allowedRegions[0]);
                 } else {
                     this.extent = new MultiRegionExtent(this.extent, this.limit, allowedRegions);
@@ -1155,11 +1154,11 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
         this.changes++;
         switch (stage) {
             case BEFORE_HISTORY:
-                return this.extent.setBlock(position, block);
+                return extent.setBlock(position, block);
             case BEFORE_CHANGE:
-                return this.bypassHistory.setBlock(position, block);
+                return bypassHistory.setBlock(position, block);
             case BEFORE_REORDER:
-                return this.bypassAll.setBlock(position, block);
+                return bypassAll.setBlock(position, block);
         }
 
         throw new RuntimeException("New enum entry added that is unhandled here");
@@ -1175,7 +1174,7 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
     public <B extends BlockStateHolder<B>> boolean rawSetBlock(BlockVector3 position, B block) {
         this.changes++;
         try {
-            return this.bypassAll.setBlock(position, block);
+            return bypassAll.setBlock(position, block);
         } catch (WorldEditException e) {
             throw new RuntimeException("Unexpected exception", e);
         }
@@ -1201,7 +1200,7 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
     public <B extends BlockStateHolder<B>> boolean setBlock(BlockVector3 position, B block) throws MaxChangedBlocksException {
         this.changes++;
         try {
-            return this.extent.setBlock(position, block);
+            return extent.setBlock(position, block);
         } catch (MaxChangedBlocksException e) {
             throw e;
         } catch (WorldEditException e) {
@@ -1209,6 +1208,7 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
         }
     }
 
+
     public <B extends BlockStateHolder<B>> boolean setBlock(int x, int y, int z, B block) {
         this.changes++;
         try {
@@ -1218,6 +1218,16 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
         }
     }
 
+    /**
+     * Sets the block at the given coordiantes, subject to both history and block re-ordering.
+     *
+     * @param x the x coordinate
+     * @param y the y coordinate
+     * @param z the z coordinate
+     * @param pattern a pattern to use
+     * @return Whether the block changed -- not entirely dependable
+     * @throws MaxChangedBlocksException thrown if too many blocks are changed
+     */
     public boolean setBlock(int x, int y, int z, Pattern pattern) {
         this.changes++;
         try {
@@ -1228,8 +1238,15 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
         }
     }
 
-    @SuppressWarnings("deprecation")
+    /**
-    public boolean setBlock(final BlockVector3 position, final Pattern pattern) {
+     * Sets the block at a position, subject to both history and block re-ordering.
+     *
+     * @param position the position
+     * @param pattern a pattern to use
+     * @return Whether the block changed -- not entirely dependable
+     * @throws MaxChangedBlocksException thrown if too many blocks are changed
+     */
+    public boolean setBlock(BlockVector3 position, Pattern pattern) throws MaxChangedBlocksException {
         this.changes++;
         try {
             return pattern.apply(this.extent, position, position);
@@ -1238,8 +1255,16 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
         }
     }
 
-    @SuppressWarnings("deprecation")
+    /**
-    public int setBlocks(final Set<BlockVector3> vset, final Pattern pattern) {
+     * Set blocks that are in a set of positions and return the number of times
+     * that the block set calls returned true.
+     *
+     * @param vset a set of positions
+     * @param pattern the pattern
+     * @return the number of changed blocks
+     * @throws MaxChangedBlocksException thrown if too many blocks are changed
+     */
+    public int setBlocks(Set<BlockVector3> vset, Pattern pattern) throws MaxChangedBlocksException {
         RegionVisitor visitor = new RegionVisitor(vset, new BlockReplace(extent, pattern), this);
         Operations.completeBlindly(visitor);
         changes += visitor.getAffected();
@@ -1492,7 +1517,7 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
      * @param searchBlocks the list of blocks to search
      * @return the number of blocks that matched the pattern
      */
-    public int countBlocks(Region region, Set<BlockStateHolder> searchBlocks) {
+    public int countBlocks(Region region, Set<BaseBlock> searchBlocks) {
         Mask mask = new BlockMaskBuilder().addBlocks(searchBlocks).build(extent);
         RegionVisitor visitor = new RegionVisitor(region, new RegionFunction() {
             @Override
@@ -1585,7 +1610,7 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
      * @throws MaxChangedBlocksException thrown if too many blocks are changed
      */
     public <B extends BlockStateHolder<B>> int fillXZ(BlockVector3 origin, B block, double radius, int depth, boolean recursive) throws MaxChangedBlocksException {
-        return fillXZ(origin, (block), radius, depth, recursive);
+        return fillXZ(origin, block, radius, depth, recursive);
     }
 
     /**
@@ -1650,7 +1675,7 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
                 getWorld(), // Causes clamping of Y range
                 position.add(-apothem + 1, 0, -apothem + 1),
                 position.add(apothem - 1, height - 1, apothem - 1));
-        Pattern pattern = (BlockTypes.AIR.getDefaultState());
+        Pattern pattern = BlockTypes.AIR.getDefaultState();
         return setBlocks(region, pattern);
     }
 
@@ -1672,7 +1697,7 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
                 getWorld(), // Causes clamping of Y range
                 position.add(-apothem + 1, 0, -apothem + 1),
                 position.add(apothem - 1, -height + 1, apothem - 1));
-        Pattern pattern = (BlockTypes.AIR.getDefaultState());
+        Pattern pattern = BlockTypes.AIR.getDefaultState();
         return setBlocks(region, pattern);
     }
 
@@ -1685,7 +1710,7 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
      * @return number of blocks affected
      * @throws MaxChangedBlocksException thrown if too many blocks are changed
      */
-    public int removeNear(final BlockVector3 position, Mask mask, final int apothem) {
+    public int removeNear(BlockVector3 position, Mask mask, int apothem) throws MaxChangedBlocksException {
         checkNotNull(position);
         checkArgument(apothem >= 1, "apothem >= 1");
 
@@ -1796,6 +1821,7 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
     public int setBlocks(Region region, Pattern pattern) throws MaxChangedBlocksException {
         checkNotNull(region);
         checkNotNull(pattern);
+
         if (pattern instanceof BlockPattern) {
             return setBlocks(region, ((BlockPattern) pattern).getBlock());
         }
@@ -2005,7 +2031,7 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
     public <B extends BlockStateHolder<B>> int overlayCuboidBlocks(Region region, B block) throws MaxChangedBlocksException {
         checkNotNull(block);
 
-        return overlayCuboidBlocks(region, (block));
+        return overlayCuboidBlocks(region, block);
     }
 
     /**
@@ -2999,6 +3025,26 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
     public int makeShape(final Region region, final Vector3 zero, final Vector3 unit,
                          final Pattern pattern, final String expressionString, final boolean hollow)
             throws ExpressionException, MaxChangedBlocksException {
+        return makeShape(region, zero, unit, pattern, expressionString, hollow, WorldEdit.getInstance().getConfiguration().calculationTimeout);
+    }
+
+    /**
+     * Generate a shape for the given expression.
+     *
+     * @param region the region to generate the shape in
+     * @param zero the coordinate origin for x/y/z variables
+     * @param unit the scale of the x/y/z/ variables
+     * @param pattern the default material to make the shape from
+     * @param expressionString the expression defining the shape
+     * @param hollow whether the shape should be hollow
+     * @param timeout the time, in milliseconds, to wait for each expression evaluation before halting it. -1 to disable
+     * @return number of blocks changed
+     * @throws ExpressionException
+     * @throws MaxChangedBlocksException
+     */
+    public int makeShape(final Region region, final Vector3 zero, final Vector3 unit,
+                        final Pattern pattern, final String expressionString, final boolean hollow, final int timeout)
+            throws ExpressionException, MaxChangedBlocksException {
         final Expression expression = Expression.compile(expressionString, "x", "y", "z", "type", "data");
         expression.optimize();
 
@@ -3011,21 +3057,21 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
         final int[] timedOut = {0};
         final ArbitraryShape shape = new ArbitraryShape(region) {
             @Override
-            public BaseBlock getMaterial(final int x, final int y, final int z, final BaseBlock defaultMaterial) {
+            protected BaseBlock getMaterial(int x, int y, int z, BaseBlock defaultMaterial) {
-                //TODO Optimize - avoid vector creation (math)
-//                final Vector3 current = mutablev.setComponents(x, y, z);
-//            protected BlockStateHolder getMaterial(int x, int y, int z, BlockStateHolder defaultMaterial) {
                 final Vector3 current = Vector3.at(x, y, z);
                 environment.setCurrentBlock(current);
                 final Vector3 scaled = current.subtract(zero).divide(unit);
 
                 try {
-                    if (expression.evaluate(scaled.getX(), scaled.getY(), scaled.getZ(), defaultMaterial.getBlockType().getInternalId(), defaultMaterial.getInternalPropertiesId()) <= 0) {
+                    if (expression.evaluate(new double[]{scaled.getX(), scaled.getY(), scaled.getZ(), defaultMaterial.getBlockType().getInternalId(), defaultMaterial.getInternalPropertiesId()}, timeout) <= 0) {
                         // TODO data
                         return null;
                     }
 
                     return BlockTypes.get((int) typeVariable.getValue()).withPropertyId((int) dataVariable.getValue()).toBaseBlock();
+                } catch (ExpressionTimeoutException e) {
+                    timedOut[0] = timedOut[0] + 1;
+                    return null;
                 } catch (Exception e) {
                     log.warn("Failed to create shape", e);
                     return null;
@@ -3043,6 +3089,11 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
 
     public int deformRegion(final Region region, final Vector3 zero, final Vector3 unit, final String expressionString)
             throws ExpressionException, MaxChangedBlocksException {
+        return deformRegion(region, zero, unit, expressionString, WorldEdit.getInstance().getConfiguration().calculationTimeout);
+    }
+
+    public int deformRegion(final Region region, final Vector3 zero, final Vector3 unit, final String expressionString,
+                            final int timeout) throws ExpressionException, MaxChangedBlocksException {
         final Expression expression = Expression.compile(expressionString, "x", "y", "z");
         expression.optimize();
 
@@ -3060,15 +3111,15 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
             public boolean apply(BlockVector3 position) throws WorldEditException {
                 try {
                     // offset, scale
-                    double sx = (position.getX() - zero.getX()) / unit.getX();
+                    final Vector3 scaled = position.toVector3().subtract(zero).divide(unit);
-                    double sy = (position.getY() - zero.getY()) / unit.getY();
+
-                    double sz = (position.getZ() - zero.getZ()) / unit.getZ();
                     // transform
-                    expression.evaluate(sx, sy, sz);
+                    expression.evaluate(new double[]{scaled.getX(), scaled.getY(), scaled.getZ()}, timeout);
                     int xv = (int) (x.getValue() * unit.getX() + zero2.getX());
                     int yv = (int) (y.getValue() * unit.getY() + zero2.getY());
                     int zv = (int) (z.getValue() * unit.getZ() + zero2.getZ());
-                    // read/write block from world
+
+                    // read block from world
                     return setBlock(position, getBlock(xv, yv, zv));
                 } catch (EvaluationException e) {
                     throw new RuntimeException(e);
@@ -3159,7 +3210,7 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
         return changes;
     }
 
-    public int drawLine(final Pattern pattern, final BlockVector3 pos1, final BlockVector3 pos2, final double radius, final boolean filled) {
+    public int drawLine(final Pattern pattern, final BlockVector3 pos1, final BlockVector3 pos2, final double radius, final boolean filled) throws MaxChangedBlocksException {
         return drawLine(pattern, pos1, pos2, radius, filled, false);
     }
 
@@ -3175,7 +3226,8 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
      * @return number of blocks affected
      * @throws MaxChangedBlocksException thrown if too many blocks are changed
      */
-    public int drawLine(Pattern pattern, BlockVector3 pos1, BlockVector3 pos2, double radius, boolean filled, boolean flat) {
+    public int drawLine(Pattern pattern, BlockVector3 pos1, BlockVector3 pos2, double radius, boolean filled, boolean flat)
+            throws MaxChangedBlocksException {
 
         LocalBlockVectorSet vset = new LocalBlockVectorSet();
         boolean notdrawn = true;
@@ -3336,11 +3388,12 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
         final LocalBlockVectorSet returnset = new LocalBlockVectorSet();
         final LocalBlockVectorSet newset = new LocalBlockVectorSet();
         newset.addAll(vset);
-        for (final BlockVector3 v : newset) {
+        for (BlockVector3 v : newset) {
             final int x = v.getX(), y = v.getY(), z = v.getZ();
-            if (!(newset.contains(x + 1, y, z)
+            if (!(newset.contains(x + 1, y, z) &&
-                    && newset.contains(x - 1, y, z)
+                    newset.contains(x - 1, y, z) &&
-                    && newset.contains(x, y, z + 1) && newset.contains(x, y, z - 1))) {
+                    newset.contains(x, y, z + 1) &&
+                    newset.contains(x, y, z - 1))) {
                 returnset.add(v);
             }
         }
@@ -3348,16 +3401,17 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
     }
 
     public Set<BlockVector3> getHollowed(final Set<BlockVector3> vset) {
-        final Set returnset = new LocalBlockVectorSet();
+        final Set<BlockVector3> returnset = new LocalBlockVectorSet();
         final LocalBlockVectorSet newset = new LocalBlockVectorSet();
         newset.addAll(vset);
-        for (final BlockVector3 v : newset) {
+        for (BlockVector3 v : newset) {
             final int x = v.getX(), y = v.getY(), z = v.getZ();
-            if (!(newset.contains(x + 1, y, z)
+            if (!(newset.contains(x + 1, y, z) &&
-                    && newset.contains(x - 1, y, z)
+                    newset.contains(x - 1, y, z) &&
-                    && newset.contains(x, y + 1, z)
+                    newset.contains(x, y + 1, z) &&
-                    && newset.contains(x, y - 1, z)
+                    newset.contains(x, y - 1, z) &&
-                    && newset.contains(x, y, z + 1) && newset.contains(x, y, z - 1))) {
+                    newset.contains(x, y, z + 1) &&
+                    newset.contains(x, y, z - 1))) {
                 returnset.add(v);
             }
         }
@@ -3368,7 +3422,7 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
         final LocalBlockVectorSet queue = new LocalBlockVectorSet();
         queue.add(origin);
         while (!queue.isEmpty()) {
-        	BlockVector3 current = queue.getIndex(0);
+        	final BlockVector3 current = queue.getIndex(0);
         	queue.remove(current);
         	final BlockState block = getBlock(current);
         	if (block.getBlockType().getMaterial().isMovementBlocker()) {
@@ -3392,6 +3446,12 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
     public int makeBiomeShape(final Region region, final Vector3 zero, final Vector3 unit, final BiomeType biomeType,
                               final String expressionString, final boolean hollow)
             throws ExpressionException, MaxChangedBlocksException {
+        return makeBiomeShape(region, zero, unit, biomeType, expressionString, hollow, WorldEdit.getInstance().getConfiguration().calculationTimeout);
+    }
+
+    public int makeBiomeShape(final Region region, final Vector3 zero, final Vector3 unit, final BiomeType biomeType,
+                              final String expressionString, final boolean hollow, final int timeout)
+            throws ExpressionException, MaxChangedBlocksException {
         final Vector2 zero2D = zero.toVector2();
         final Vector2 unit2D = unit.toVector2();
 
@@ -3402,20 +3462,24 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
         final WorldEditExpressionEnvironment environment = new WorldEditExpressionEnvironment(editSession, unit, zero);
         expression.setEnvironment(environment);
 
+        final int[] timedOut = {0};
         final ArbitraryBiomeShape shape = new ArbitraryBiomeShape(region) {
             @Override
-            protected BiomeType getBiome(final int x, final int z, final BiomeType defaultBiomeType) {
+            protected BiomeType getBiome(int x, int z, BiomeType defaultBiomeType) {
                 environment.setCurrentBlock(x, 0, z);
                 double scaledX = (x - zero2D.getX()) / unit2D.getX();
                 double scaledZ = (z - zero2D.getZ()) / unit2D.getZ();
 
                 try {
-                    if (expression.evaluate(scaledX, scaledZ) <= 0) {
+                    if (expression.evaluate(new double[]{scaledX, scaledZ}, timeout) <= 0) {
                         return null;
                     }
 
                     // TODO: Allow biome setting via a script variable (needs BiomeType<->int mapping)
                     return defaultBiomeType;
+                } catch (ExpressionTimeoutException e) {
+                    timedOut[0] = timedOut[0] + 1;
+                    return null;
                 } catch (Exception e) {
                     log.warn("Failed to create shape", e);
                     return null;
@@ -3423,6 +3487,11 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
             }
         };
         int changed = shape.generate(this, biomeType, hollow);
+        if (timedOut[0] > 0) {
+            throw new ExpressionTimeoutException(
+                    String.format("%d blocks changed. %d blocks took too long to evaluate (increase time with //timeout)",
+                            changed, timedOut[0]));
+        }
         return changed;
     }
 
@@ -3529,7 +3598,6 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
             boolean containsAny = false;
             if (cuboid && containsBot1 && containsBot2 && containsTop1 && containsTop2 && conNextX && conNextZ) {
                 containsAny = true;
-                BlockVector3 mbv = mutable;
                 if (fcs != null) {
                     for (int x = 0; x < 16; x++) {
                         int xx = x + bx;
@@ -3537,7 +3605,7 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
                             int zz = z + bz;
                             for (int y = 0; y < maxY + 1; y++) {
                                 BaseBlock block = getFullBlock(mutable.setComponents(xx, y, zz));
-                                fcs.add(mbv, block, BlockTypes.AIR.getDefaultState().toBaseBlock());
+                                fcs.add(mutable, block, BlockTypes.AIR.getDefaultState().toBaseBlock());
                             }
                         }
                     }

worldedit-core/src/main/java/com/sk89q/worldedit/command/OptionsCommands.java

@@ -4,31 +4,37 @@ import com.boydti.fawe.Fawe;
 import com.boydti.fawe.config.BBC;
 import com.boydti.fawe.object.FawePlayer;
 import com.boydti.fawe.object.extent.ResettableExtent;
-import com.boydti.fawe.util.*;
+import com.boydti.fawe.util.CachedTextureUtil;
+import com.boydti.fawe.util.CleanTextureUtil;
+import com.boydti.fawe.util.MathMan;
+import com.boydti.fawe.util.RandomTextureUtil;
+import com.boydti.fawe.util.TextureUtil;
+
+import static com.google.common.base.Preconditions.checkNotNull;
 import com.google.common.collect.Sets;
 import com.sk89q.minecraft.util.commands.Command;
 import com.sk89q.minecraft.util.commands.CommandContext;
 import com.sk89q.minecraft.util.commands.CommandPermissions;
-import com.sk89q.worldedit.*;
+import com.sk89q.worldedit.EditSession;
-import com.sk89q.worldedit.extension.input.DisallowedUsageException;
+import com.sk89q.worldedit.LocalConfiguration;
-import com.sk89q.worldedit.world.block.BaseBlock;
+import com.sk89q.worldedit.LocalSession;
-import com.sk89q.worldedit.world.block.BlockState;
+import com.sk89q.worldedit.WorldEdit;
+import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.entity.Player;
+import com.sk89q.worldedit.extension.input.DisallowedUsageException;
 import com.sk89q.worldedit.extension.input.ParserContext;
 import com.sk89q.worldedit.extension.platform.Actor;
 import com.sk89q.worldedit.extent.clipboard.Clipboard;
 import com.sk89q.worldedit.function.mask.Mask;
 import com.sk89q.worldedit.util.command.parametric.Optional;
 import com.sk89q.worldedit.util.command.parametric.ParameterException;
+import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.world.item.ItemType;
 import com.sk89q.worldedit.world.item.ItemTypes;
 
 import java.io.FileNotFoundException;
 import java.util.HashSet;
 
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
 /**
  * General WorldEdit commands.
  */
@@ -54,7 +60,7 @@ public class OptionsCommands {
     @CommandPermissions("fawe.tips")
     public void tips(Player player, LocalSession session) throws WorldEditException {
         FawePlayer<Object> fp = FawePlayer.wrap(player);
-        if (fp.toggle("fawe.tips")) {
+        if (player.togglePermission("fawe.tips")) {
             BBC.WORLDEDIT_TOGGLE_TIPS_ON.send(player);
         } else {
             BBC.WORLDEDIT_TOGGLE_TIPS_OFF.send(player);

worldedit-core/src/main/java/com/sk89q/worldedit/command/RegionCommands.java

@@ -28,12 +28,16 @@ import com.boydti.fawe.object.FaweQueue;
 import com.boydti.fawe.object.exception.FaweException;
 import com.boydti.fawe.object.visitor.Fast2DIterator;
 import com.boydti.fawe.util.MathMan;
+
+import static com.google.common.base.Preconditions.checkNotNull;
 import com.sk89q.jnbt.CompoundTag;
 import com.sk89q.minecraft.util.commands.Command;
 import com.sk89q.minecraft.util.commands.CommandContext;
 import com.sk89q.minecraft.util.commands.CommandPermissions;
 import com.sk89q.minecraft.util.commands.Logging;
-
+import static com.sk89q.minecraft.util.commands.Logging.LogMode.ALL;
+import static com.sk89q.minecraft.util.commands.Logging.LogMode.ORIENTATION_REGION;
+import static com.sk89q.minecraft.util.commands.Logging.LogMode.REGION;
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.LocalSession;
 import com.sk89q.worldedit.WorldEdit;
@@ -58,7 +62,14 @@ import com.sk89q.worldedit.math.convolution.GaussianKernel;
 import com.sk89q.worldedit.math.convolution.HeightMap;
 import com.sk89q.worldedit.math.convolution.HeightMapFilter;
 import com.sk89q.worldedit.math.noise.RandomNoise;
-import com.sk89q.worldedit.regions.*;
+import com.sk89q.worldedit.regions.ConvexPolyhedralRegion;
+import com.sk89q.worldedit.regions.CuboidRegion;
+import com.sk89q.worldedit.regions.Region;
+import com.sk89q.worldedit.regions.RegionOperationException;
+import com.sk89q.worldedit.regions.Regions;
+import static com.sk89q.worldedit.regions.Regions.asFlatRegion;
+import static com.sk89q.worldedit.regions.Regions.maximumBlockY;
+import static com.sk89q.worldedit.regions.Regions.minimumBlockY;
 import com.sk89q.worldedit.util.Location;
 import com.sk89q.worldedit.util.TreeGenerator.TreeType;
 import com.sk89q.worldedit.util.command.binding.Range;
@@ -76,15 +87,6 @@ import java.util.Collection;
 import java.util.Iterator;
 import java.util.List;
 
-
-import static com.google.common.base.Preconditions.checkNotNull;
-import static com.sk89q.minecraft.util.commands.Logging.LogMode.ALL;
-import static com.sk89q.minecraft.util.commands.Logging.LogMode.ORIENTATION_REGION;
-import static com.sk89q.minecraft.util.commands.Logging.LogMode.REGION;
-import static com.sk89q.worldedit.regions.Regions.asFlatRegion;
-import static com.sk89q.worldedit.regions.Regions.maximumBlockY;
-import static com.sk89q.worldedit.regions.Regions.minimumBlockY;
-
 /**
  * Commands that operate on regions.
  */
@@ -486,11 +488,10 @@ public class RegionCommands extends MethodCommands {
     )
     @CommandPermissions("fawe.admin")
     public void wea(Player player) throws WorldEditException {
-        FawePlayer<Object> fp = FawePlayer.wrap(player);
+        if (player.togglePermission("fawe.bypass")) {
-        if (fp.toggle("fawe.bypass")) {
+            BBC.WORLDEDIT_BYPASSED.send(player);
-            BBC.WORLDEDIT_BYPASSED.send(fp);
         } else {
-            BBC.WORLDEDIT_RESTRICTED.send(fp);
+            BBC.WORLDEDIT_RESTRICTED.send(player);
         }
     }
 
@@ -500,8 +501,7 @@ public class RegionCommands extends MethodCommands {
             help = "Select your current allowed region"
     )
     @CommandPermissions("fawe.worldeditregion")
-    public void wer(Player player) throws WorldEditException {
+    public void wer(FawePlayer fp) throws WorldEditException {
-        FawePlayer<Object> fp = FawePlayer.wrap(player);
         final Region region = fp.getLargestRegion();
         if (region == null) {
             BBC.NO_REGION.send(fp);

worldedit-core/src/main/java/com/sk89q/worldedit/extension/platform/PlayerProxy.java

@@ -20,7 +20,6 @@
 package com.sk89q.worldedit.extension.platform;
 
 import static com.google.common.base.Preconditions.checkNotNull;
-
 import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.blocks.BaseItemStack;
 import com.sk89q.worldedit.entity.BaseEntity;
@@ -37,9 +36,8 @@ import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
 import com.sk89q.worldedit.world.gamemode.GameMode;
 
-import java.util.UUID;
-
 import javax.annotation.Nullable;
+import java.util.UUID;
 
 public class PlayerProxy extends AbstractPlayerActor {
 
@@ -155,6 +153,14 @@ public class PlayerProxy extends AbstractPlayerActor {
         return permActor.hasPermission(perm);
     }
 
+    @Override public boolean togglePermission(String permission) {
+        return permActor.hasPermission(permission);
+    }
+
+    @Override public void setPermission(String permission, boolean value) {
+        permActor.setPermission(permission, value);
+    }
+
     @Override
     public void dispatchCUIEvent(CUIEvent event) {
         cuiActor.dispatchCUIEvent(event);

worldedit-core/src/main/java/com/sk89q/worldedit/function/factory/Deform.java

@@ -150,7 +150,8 @@ public class Deform implements Contextual<Operation> {
         }
 
         LocalSession session = context.getSession();
-        return new DeformOperation(context.getDestination(), region, zero, unit, expression);
+        return new DeformOperation(context.getDestination(), region, zero, unit, expression,
+                session == null ? WorldEdit.getInstance().getConfiguration().calculationTimeout : session.getTimeout());
     }
 
     private static final class DeformOperation implements Operation {
@@ -159,20 +160,22 @@ public class Deform implements Contextual<Operation> {
         private final Vector3 zero;
         private final Vector3 unit;
         private final String expression;
+        private final int timeout;
 
-        private DeformOperation(Extent destination, Region region, Vector3 zero, Vector3 unit, String expression) {
+        private DeformOperation(Extent destination, Region region, Vector3 zero, Vector3 unit, String expression, int timeout) {
             this.destination = destination;
             this.region = region;
             this.zero = zero;
             this.unit = unit;
             this.expression = expression;
+            this.timeout = timeout;
         }
 
         @Override
         public Operation resume(RunContext run) throws WorldEditException {
             try {
                 // TODO: Move deformation code
-                ((EditSession) destination).deformRegion(region, zero, unit, expression);
+                ((EditSession) destination).deformRegion(region, zero, unit, expression, timeout);
                 return null;
             } catch (ExpressionException e) {
                 throw new RuntimeException("Failed to execute expression", e); // TODO: Better exception to throw here?

worldedit-core/src/main/java/com/sk89q/worldedit/function/generator/FloraGenerator.java

@@ -22,7 +22,6 @@ package com.sk89q.worldedit.function.generator;
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.function.RegionFunction;
-import com.sk89q.worldedit.function.pattern.BlockPattern;
 import com.sk89q.worldedit.function.pattern.Pattern;
 import com.sk89q.worldedit.function.pattern.RandomPattern;
 import com.sk89q.worldedit.math.BlockVector3;
@@ -83,9 +82,9 @@ public class FloraGenerator implements RegionFunction {
      */
     public static Pattern getDesertPattern() {
         RandomPattern pattern = new RandomPattern();
-        pattern.add((BlockTypes.DEAD_BUSH.getDefaultState()), 30);
+        pattern.add(BlockTypes.DEAD_BUSH.getDefaultState(), 30);
-        pattern.add((BlockTypes.CACTUS.getDefaultState()), 20);
+        pattern.add(BlockTypes.CACTUS.getDefaultState(), 20);
-        pattern.add((BlockTypes.AIR.getDefaultState()), 300);
+        pattern.add(BlockTypes.AIR.getDefaultState(), 300);
         return pattern;
     }
 
@@ -96,9 +95,9 @@ public class FloraGenerator implements RegionFunction {
      */
     public static Pattern getTemperatePattern() {
         RandomPattern pattern = new RandomPattern();
-        pattern.add((BlockTypes.GRASS.getDefaultState()), 300);
+        pattern.add(BlockTypes.GRASS.getDefaultState(), 300);
-        pattern.add((BlockTypes.POPPY.getDefaultState()), 5);
+        pattern.add(BlockTypes.POPPY.getDefaultState(), 5);
-        pattern.add((BlockTypes.DANDELION.getDefaultState()), 5);
+        pattern.add(BlockTypes.DANDELION.getDefaultState(), 5);
         return pattern;
     }
 

worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/BlockTypeMask.java

@@ -20,14 +20,12 @@
 package com.sk89q.worldedit.function.mask;
 
 import static com.google.common.base.Preconditions.checkNotNull;
-
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.world.block.BlockType;
 import com.sk89q.worldedit.world.block.BlockTypes;
 
 import javax.annotation.Nullable;
-import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.Set;
@@ -113,9 +111,6 @@ public class BlockTypeMask extends AbstractExtentMask {
     public boolean test(BlockVector3 vector) {
         return types[getExtent().getBlockType(vector).getInternalId()];
     }
-//    public boolean test(BlockVector3 vector) {
-//        return blocks.contains(getExtent().getBlock(vector).getBlockType());
-//    }
 
     @Nullable
     @Override

worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/ExpressionMask.java

@@ -21,7 +21,6 @@ package com.sk89q.worldedit.function.mask;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
-import com.sk89q.worldedit.WorldEdit;
 import com.sk89q.worldedit.internal.expression.Expression;
 import com.sk89q.worldedit.internal.expression.ExpressionException;
 import com.sk89q.worldedit.internal.expression.runtime.EvaluationException;

worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/ExpressionMask2D.java

@@ -21,7 +21,6 @@ package com.sk89q.worldedit.function.mask;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
-import com.sk89q.worldedit.WorldEdit;
 import com.sk89q.worldedit.internal.expression.Expression;
 import com.sk89q.worldedit.internal.expression.ExpressionException;
 import com.sk89q.worldedit.internal.expression.runtime.EvaluationException;

worldedit-core/src/main/java/com/sk89q/worldedit/function/mask/SolidBlockMask.java

@@ -29,14 +29,6 @@ import javax.annotation.Nullable;
 
 public class SolidBlockMask extends BlockTypeMask {
 
-    public static boolean[] getTypes() {
-        boolean[] types = new boolean[BlockTypes.size()];
-        for (BlockType type : BlockTypes.values) {
-            types[type.getInternalId()] = type.getMaterial().isSolid();
-        }
-        return types;
-    }
-
     public SolidBlockMask(Extent extent) {
         super(extent, getTypes());
     }
@@ -48,6 +40,14 @@ public class SolidBlockMask extends BlockTypeMask {
         return block.getBlockType().getMaterial().isMovementBlocker();
     }
 
+    public static boolean[] getTypes() {
+        boolean[] types = new boolean[BlockTypes.size()];
+        for (BlockType type : BlockTypes.values) {
+            types[type.getInternalId()] = type.getMaterial().isSolid();
+        }
+        return types;
+    }
+
     @Nullable
     @Override
     public Mask2D toMask2D() {

worldedit-core/src/main/java/com/sk89q/worldedit/function/pattern/WaterloggedRemover.java

@@ -20,9 +20,7 @@
 package com.sk89q.worldedit.function.pattern;
 
 import com.sk89q.worldedit.extent.Extent;
-import com.sk89q.worldedit.function.mask.BlockMaskBuilder;
 import com.sk89q.worldedit.math.BlockVector3;
-import com.sk89q.worldedit.registry.state.Property;
 import com.sk89q.worldedit.registry.state.PropertyKey;
 import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.world.block.BlockState;
@@ -30,9 +28,6 @@ import com.sk89q.worldedit.world.block.BlockType;
 import com.sk89q.worldedit.world.block.BlockTypes;
 
 import java.lang.ref.SoftReference;
-import java.util.Map;
-import java.util.function.BiPredicate;
-import java.util.function.Predicate;
 
 /**
  * Removes the waterlogged state from blocks if possible. If not possible, returns air.
@@ -42,9 +37,9 @@ public class WaterloggedRemover extends AbstractExtentPattern {
     private static SoftReference<BlockState[]> cache = new SoftReference<>(null);
 
     private synchronized BlockState[] getRemap() {
-         BlockState[] remap = this.cache.get();
+         BlockState[] remap = cache.get();
          if (remap != null) return remap;
-         this.cache = new SoftReference<>(remap = new BlockState[BlockTypes.states.length]);
+         cache = new SoftReference<>(remap = new BlockState[BlockTypes.states.length]);
 
          // init
         for (int i = 0; i < remap.length; i++) {

worldedit-core/src/main/java/com/sk89q/worldedit/function/visitor/BreadthFirstSearch.java

@@ -318,4 +318,5 @@ public abstract class BreadthFirstSearch implements Operation {
         visited.clear();
         affected = 0;
     }
+
 }

worldedit-core/src/main/java/com/sk89q/worldedit/internal/expression/Expression.java

@@ -105,6 +105,7 @@ public class Expression {
 
     private Expression(List<Token> tokens, String... variableNames) throws ExpressionException {
         this.variableNames = variableNames;
+
         variables.put("e", new Constant(-1, Math.E));
         variables.put("pi", new Constant(-1, Math.PI));
         variables.put("true", new Constant(-1, 1));

worldedit-core/src/main/java/com/sk89q/worldedit/util/auth/Subject.java

@@ -48,4 +48,13 @@ public interface Subject {
      */
     boolean hasPermission(String permission);
 
+    /**
+     * Add and remove permissions from a subject to show and hide certain messages.
+     *
+     * @param permission the permission
+     * @return false if the permission was removed, true if this subject has permission
+     */
+    boolean togglePermission(String permission);
+
+    void setPermission(String permission, boolean value);
 }