schem list is still broken

clickEvent and hoverEvent don't seem to work, I'm probably doing something wrong

worldedit-core/src/main/java/com/boydti/fawe/FaweCache.java

@@ -1,9 +1,13 @@
 package com.boydti.fawe;
 
 import com.boydti.fawe.beta.Trimable;
+import com.boydti.fawe.config.BBC;
 import com.boydti.fawe.config.Settings;
 import com.boydti.fawe.object.collection.BitArray4096;
 import com.boydti.fawe.object.collection.CleanableThreadLocal;
+import com.boydti.fawe.object.exception.FaweBlockBagException;
+import com.boydti.fawe.object.exception.FaweChunkLoadException;
+import com.boydti.fawe.object.exception.FaweException;
 import com.boydti.fawe.util.IOUtil;
 import com.boydti.fawe.util.MathMan;
 import com.sk89q.jnbt.ByteArrayTag;
@@ -180,6 +184,24 @@ public enum FaweCache implements Trimable {
         return pool;
     }
 
+    /*
+    Exceptions
+     */
+    public static final FaweChunkLoadException CHUNK = new FaweChunkLoadException();
+    public static final FaweBlockBagException BLOCK_BAG = new FaweBlockBagException();
+    public static final FaweException MANUAL = new FaweException(BBC.WORLDEDIT_CANCEL_REASON_MANUAL);
+    public static final FaweException NO_REGION = new FaweException(BBC.WORLDEDIT_CANCEL_REASON_NO_REGION);
+    public static final FaweException OUTSIDE_REGION = new FaweException(BBC.WORLDEDIT_CANCEL_REASON_OUTSIDE_REGION);
+    public static final FaweException MAX_CHECKS = new FaweException(BBC.WORLDEDIT_CANCEL_REASON_MAX_CHECKS);
+    public static final FaweException MAX_CHANGES = new FaweException(BBC.WORLDEDIT_CANCEL_REASON_MAX_CHANGES);
+    public static final FaweException LOW_MEMORY = new FaweException(BBC.WORLDEDIT_CANCEL_REASON_LOW_MEMORY);
+    public static final FaweException MAX_ENTITIES = new FaweException(BBC.WORLDEDIT_CANCEL_REASON_MAX_ENTITIES);
+    public static final FaweException MAX_TILES = new FaweException(BBC.WORLDEDIT_CANCEL_REASON_MAX_TILES);
+
+    /*
+    thread cache
+     */
+
     public final CleanableThreadLocal<int[]> BLOCK_TO_PALETTE = new CleanableThreadLocal<>(() -> {
         int[] result = new int[BlockTypes.states.length];
         Arrays.fill(result, Integer.MAX_VALUE);

worldedit-core/src/main/java/com/boydti/fawe/beta/IBatchProcessor.java

@@ -20,7 +20,11 @@ public interface IBatchProcessor {
      * @param set
      * @return
      */
-    IChunkSet processBatch(IChunk chunk, IChunkGet get, IChunkSet set);
+    IChunkSet processSet(IChunk chunk, IChunkGet get, IChunkSet set);
+
+    default boolean processGet(int chunkX, int chunkZ) {
+        return true;
+    }
 
     /**
      * Convert this processor into an Extent based processor instead of a queue batch based on

worldedit-core/src/main/java/com/boydti/fawe/beta/implementation/EmptyBatchProcessor.java

@@ -10,7 +10,7 @@ public enum EmptyBatchProcessor implements IBatchProcessor {
     INSTANCE
     ;
     @Override
-    public IChunkSet processBatch(IChunk chunk, IChunkGet get, IChunkSet set) {
+    public IChunkSet processSet(IChunk chunk, IChunkGet get, IChunkSet set) {
         return set;
     }
 

worldedit-core/src/main/java/com/boydti/fawe/beta/implementation/IBatchProcessorHolder.java

@@ -20,8 +20,13 @@ public interface IBatchProcessorHolder extends IBatchProcessor {
     void setProcessor(IBatchProcessor set);
 
     @Override
-    default IChunkSet processBatch(IChunk chunk, IChunkGet get, IChunkSet set) {
+    default IChunkSet processSet(IChunk chunk, IChunkGet get, IChunkSet set) {
-        return getProcessor().processBatch(chunk, get, set);
+        return getProcessor().processSet(chunk, get, set);
+    }
+
+    @Override
+    default boolean processGet(int chunkX, int chunkZ) {
+        return getProcessor().processGet(chunkX, chunkZ);
     }
 
     @Override

worldedit-core/src/main/java/com/boydti/fawe/beta/implementation/MultiBatchProcessor.java

@@ -10,7 +10,6 @@ import com.sk89q.worldedit.extent.Extent;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
-import java.util.function.Predicate;
 
 public class MultiBatchProcessor implements IBatchProcessor {
     private IBatchProcessor[] processors;
@@ -55,9 +54,9 @@ public class MultiBatchProcessor implements IBatchProcessor {
     }
 
     @Override
-    public IChunkSet processBatch(IChunk chunk, IChunkGet get, IChunkSet set) {
+    public IChunkSet processSet(IChunk chunk, IChunkGet get, IChunkSet set) {
         for (IBatchProcessor processor : this.processors) {
-            set = processor.processBatch(chunk, get, set);
+            set = processor.processSet(chunk, get, set);
             if (set == null) {
                 return null;
             }
@@ -65,6 +64,16 @@ public class MultiBatchProcessor implements IBatchProcessor {
         return set;
     }
 
+    @Override
+    public boolean processGet(int chunkX, int chunkZ) {
+        for (IBatchProcessor processor : this.processors) {
+            if (!processor.processGet(chunkX, chunkZ)) {
+                return false;
+            }
+        }
+        return true;
+    }
+
     @Override
     public Extent construct(Extent child) {
         for (IBatchProcessor processor : processors) {

worldedit-core/src/main/java/com/boydti/fawe/beta/implementation/SingleThreadQueueExtent.java

@@ -1,6 +1,7 @@
 package com.boydti.fawe.beta.implementation;
 
 import com.boydti.fawe.Fawe;
+import com.boydti.fawe.FaweCache;
 import com.boydti.fawe.beta.CharFilterBlock;
 import com.boydti.fawe.beta.ChunkFilterBlock;
 import com.boydti.fawe.beta.IBatchProcessor;
@@ -13,6 +14,7 @@ import com.boydti.fawe.beta.implementation.holder.ChunkHolder;
 import com.boydti.fawe.beta.implementation.holder.ReferenceChunk;
 import com.boydti.fawe.config.Settings;
 import com.boydti.fawe.object.changeset.FaweChangeSet;
+import com.boydti.fawe.object.exception.FaweException;
 import com.boydti.fawe.util.MathMan;
 import com.boydti.fawe.util.MemUtil;
 import com.google.common.util.concurrent.Futures;
@@ -219,6 +221,9 @@ public class SingleThreadQueueExtent extends BatchProcessorHolder implements IQu
 
     @Override
     public final IChunk getOrCreateChunk(int x, int z) {
+        if (!processGet(x, z)) {
+            throw FaweCache.CHUNK;
+        }
         final long pair = (long) x << 32 | z & 0xffffffffL;
         if (pair == lastPair) {
             return lastChunk;

worldedit-core/src/main/java/com/boydti/fawe/beta/implementation/holder/ChunkHolder.java

@@ -414,7 +414,7 @@ public class ChunkHolder<T extends Future<T>> implements IChunk {
     public T call(IChunkSet set, Runnable finalize) {
         if (set != null) {
             IChunkGet get = getOrCreateGet();
-            set = getExtent().processBatch(this, get, set);
+            set = getExtent().processSet(this, get, set);
             if (set != null) {
                 return get.call(set, finalize);
             }

worldedit-core/src/main/java/com/boydti/fawe/jnbt/NBTStreamer.java

@@ -1,5 +1,6 @@
 package com.boydti.fawe.jnbt;
 
+import com.boydti.fawe.FaweCache;
 import com.boydti.fawe.config.BBC;
 import com.boydti.fawe.object.exception.FaweException;
 
@@ -40,7 +41,7 @@ public class NBTStreamer {
         try {
             is.readNamedTagLazy(node -> {
                 if (readers.isEmpty()) {
-                    throw FaweException.MANUAL;
+                    throw FaweCache.MANUAL;
                 }
                 return readers.remove(node);
             });

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

@@ -1,5 +1,6 @@
 package com.boydti.fawe.object.brush;
 
+import com.boydti.fawe.FaweCache;
 import com.boydti.fawe.config.BBC;
 import com.boydti.fawe.object.brush.visualization.VisualExtent;
 import com.boydti.fawe.object.exception.FaweException;
@@ -62,7 +63,7 @@ public class SplineBrush implements Brush, ResettableTool {
         this.position = position;
         if (newPos) {
             if (positionSets.size() >= MAX_POINTS) {
-                throw FaweException.MAX_CHECKS;
+                throw FaweCache.MAX_CHECKS;
             }
             final ArrayList<BlockVector3> points = new ArrayList<>();
             if (size > 0) {

worldedit-core/src/main/java/com/boydti/fawe/object/brush/visualization/cfi/HeightMapMCAGenerator.java

@@ -14,6 +14,7 @@ import com.boydti.fawe.object.collection.DifferentialArray;
 import com.boydti.fawe.object.collection.DifferentialBlockBuffer;
 import com.boydti.fawe.object.collection.LocalBlockVector2DSet;
 import com.boydti.fawe.object.collection.SummedAreaTable;
+import com.boydti.fawe.object.exception.FaweChunkLoadException;
 import com.boydti.fawe.object.exception.FaweException;
 import com.boydti.fawe.object.schematic.Schematic;
 import com.boydti.fawe.util.CachedTextureUtil;
@@ -883,14 +884,14 @@ public class HeightMapMCAGenerator extends MCAWriter implements StreamChange, Dr
     }
 
     @Override
-    public BiomeType getBiomeType(int x, int z) throws FaweException.FaweChunkLoadException {
+    public BiomeType getBiomeType(int x, int z) throws FaweChunkLoadException {
         int index = z * getWidth() + x;
         if (index < 0 || index >= getArea()) index = Math.floorMod(index, getArea());
         return BiomeTypes.get(biomes.getByte(index));
     }
 
 //    @Override
-    public int getCombinedId4Data(int x, int y, int z) throws FaweException.FaweChunkLoadException {
+    public int getCombinedId4Data(int x, int y, int z) throws FaweChunkLoadException {
         int index = z * getWidth() + x;
         if (y < 0) return 0;
         if (index < 0 || index >= getArea() || x < 0 || x >= getWidth()) return 0;

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

@@ -1,5 +1,6 @@
 package com.boydti.fawe.object.changeset;
 
+import com.boydti.fawe.FaweCache;
 import com.boydti.fawe.object.exception.FaweException;
 import com.boydti.fawe.util.ReflectionUtils;
 import com.sk89q.jnbt.CompoundTag;
@@ -87,10 +88,10 @@ public class BlockBagChangeSet extends AbstractDelegateChangeSet {
             try {
                 blockBag.fetchPlacedBlock(typeTo.getDefaultState());
             } catch (UnplaceableBlockException e) {
-                throw FaweException.BLOCK_BAG;
+                throw FaweCache.BLOCK_BAG;
             } catch (BlockBagException e) {
                 missingBlocks[typeTo.getInternalId()]++;
-                throw FaweException.BLOCK_BAG;
+                throw FaweCache.BLOCK_BAG;
             }
         }
         if (mine) {

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

@@ -134,7 +134,7 @@ public abstract class FaweChangeSet implements ChangeSet, IBatchProcessor {
     }
 
     @Override
-    public synchronized IChunkSet processBatch(IChunk chunk, IChunkGet get, IChunkSet set) {
+    public synchronized IChunkSet processSet(IChunk chunk, IChunkGet get, IChunkSet set) {
         int bx = chunk.getX() << 4;
         int bz = chunk.getZ() << 4;
 

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

@@ -9,6 +9,8 @@ import java.util.Spliterator;
 import java.util.function.Consumer;
 import java.util.function.Predicate;
 import java.util.stream.Stream;
+
+import com.google.common.collect.Lists;
 import org.jetbrains.annotations.NotNull;
 
 /**

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

@@ -0,0 +1,9 @@
+package com.boydti.fawe.object.exception;
+
+import com.boydti.fawe.config.BBC;
+
+public class FaweBlockBagException extends FaweException {
+    public FaweBlockBagException() {
+        super(BBC.WORLDEDIT_SOME_FAILS_BLOCKBAG);
+    }
+}

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

@@ -0,0 +1,9 @@
+package com.boydti.fawe.object.exception;
+
+import com.boydti.fawe.config.BBC;
+
+public class FaweChunkLoadException extends FaweException {
+    public FaweChunkLoadException() {
+        super(BBC.WORLDEDIT_FAILED_LOAD_CHUNK);
+    }
+}

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

@@ -4,17 +4,6 @@ import com.boydti.fawe.config.BBC;
 import com.sk89q.worldedit.extent.Extent;
 
 public class FaweException extends RuntimeException {
-    public static final FaweChunkLoadException CHUNK = new FaweChunkLoadException();
-    public static final FaweBlockBagException BLOCK_BAG = new FaweBlockBagException();
-    public static final FaweException MANUAL = new FaweException(BBC.WORLDEDIT_CANCEL_REASON_MANUAL);
-    public static final FaweException NO_REGION = new FaweException(BBC.WORLDEDIT_CANCEL_REASON_NO_REGION);
-    public static final FaweException OUTSIDE_REGION = new FaweException(BBC.WORLDEDIT_CANCEL_REASON_OUTSIDE_REGION);
-    public static final FaweException MAX_CHECKS = new FaweException(BBC.WORLDEDIT_CANCEL_REASON_MAX_CHECKS);
-    public static final FaweException MAX_CHANGES = new FaweException(BBC.WORLDEDIT_CANCEL_REASON_MAX_CHANGES);
-    public static final FaweException LOW_MEMORY = new FaweException(BBC.WORLDEDIT_CANCEL_REASON_LOW_MEMORY);
-    public static final FaweException MAX_ENTITIES = new FaweException(BBC.WORLDEDIT_CANCEL_REASON_MAX_ENTITIES);
-    public static final FaweException MAX_TILES = new FaweException(BBC.WORLDEDIT_CANCEL_REASON_MAX_TILES);
-
     // DEBUG
     public static final FaweException _enableQueue;
     public static final FaweException _disableQueue;
@@ -55,22 +44,6 @@ public class FaweException extends RuntimeException {
         return get(cause);
     }
 
-    /**
-     * This exception is thrown when a chunk fails to load in time
-     * - Chunks are loaded on the main thread to be accessed async
-     */
-    public static class FaweChunkLoadException extends FaweException {
-        public FaweChunkLoadException() {
-            super(BBC.WORLDEDIT_FAILED_LOAD_CHUNK);
-        }
-    }
-
-    public static class FaweBlockBagException extends FaweException {
-        public FaweBlockBagException() {
-            super(BBC.WORLDEDIT_SOME_FAILS_BLOCKBAG);
-        }
-    }
-
     /**
      * Faster exception throwing/handling if you don't fill the stacktrace
      *

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

@@ -76,7 +76,7 @@ public abstract class FaweRegionExtent extends ResettableExtent implements IBatc
     public <B extends BlockStateHolder<B>> boolean setBlock(int x, int y, int z, B block) throws WorldEditException {
         if (!contains(x, y, z)) {
             if (!limit.MAX_FAILS()) {
-                WEManager.IMP.cancelEditSafe(this, FaweException.OUTSIDE_REGION);
+                WEManager.IMP.cancelEditSafe(this, FaweCache.OUTSIDE_REGION);
             }
             return false;
         }
@@ -87,7 +87,7 @@ public abstract class FaweRegionExtent extends ResettableExtent implements IBatc
     public boolean setBiome(int x, int y, int z, BiomeType biome) {
         if (!contains(x, y, z)) {
             if (!limit.MAX_FAILS()) {
-                WEManager.IMP.cancelEditSafe(this, FaweException.OUTSIDE_REGION);
+                WEManager.IMP.cancelEditSafe(this, FaweCache.OUTSIDE_REGION);
             }
             return false;
         }
@@ -98,7 +98,7 @@ public abstract class FaweRegionExtent extends ResettableExtent implements IBatc
     public BiomeType getBiome(BlockVector2 position) {
         if (!contains(position)) {
             if (!limit.MAX_FAILS()) {
-                WEManager.IMP.cancelEditSafe(this, FaweException.OUTSIDE_REGION);
+                WEManager.IMP.cancelEditSafe(this, FaweCache.OUTSIDE_REGION);
             }
             return null;
         }
@@ -109,7 +109,7 @@ public abstract class FaweRegionExtent extends ResettableExtent implements IBatc
     public BiomeType getBiomeType(int x, int z) {
         if (!contains(x, z)) {
             if (!limit.MAX_FAILS()) {
-                WEManager.IMP.cancelEditSafe(this, FaweException.OUTSIDE_REGION);
+                WEManager.IMP.cancelEditSafe(this, FaweCache.OUTSIDE_REGION);
             }
             return null;
         }
@@ -120,7 +120,7 @@ public abstract class FaweRegionExtent extends ResettableExtent implements IBatc
     public BaseBlock getFullBlock(BlockVector3 position) {
         if (!contains(position)) {
             if (!limit.MAX_FAILS()) {
-                WEManager.IMP.cancelEditSafe(this, FaweException.OUTSIDE_REGION);
+                WEManager.IMP.cancelEditSafe(this, FaweCache.OUTSIDE_REGION);
             }
             return BlockTypes.AIR.getDefaultState().toBaseBlock();
         }
@@ -131,7 +131,7 @@ public abstract class FaweRegionExtent extends ResettableExtent implements IBatc
     public BlockState getBlock(BlockVector3 position) {
         if (!contains(position)) {
             if (!limit.MAX_FAILS()) {
-                WEManager.IMP.cancelEditSafe(this, FaweException.OUTSIDE_REGION);
+                WEManager.IMP.cancelEditSafe(this, FaweCache.OUTSIDE_REGION);
             }
             return BlockTypes.AIR.getDefaultState();
         }
@@ -142,7 +142,7 @@ public abstract class FaweRegionExtent extends ResettableExtent implements IBatc
     public int getBlockLight(int x, int y, int z) {
         if (!contains(x, y, z)) {
             if (!limit.MAX_FAILS()) {
-                WEManager.IMP.cancelEditSafe(this, FaweException.OUTSIDE_REGION);
+                WEManager.IMP.cancelEditSafe(this, FaweCache.OUTSIDE_REGION);
             }
             return 0;
         }
@@ -153,7 +153,7 @@ public abstract class FaweRegionExtent extends ResettableExtent implements IBatc
     public int getBrightness(int x, int y, int z) {
         if (!contains(x, y, z)) {
             if (!limit.MAX_FAILS()) {
-                WEManager.IMP.cancelEditSafe(this, FaweException.OUTSIDE_REGION);
+                WEManager.IMP.cancelEditSafe(this, FaweCache.OUTSIDE_REGION);
             }
             return 0;
         }
@@ -164,7 +164,7 @@ public abstract class FaweRegionExtent extends ResettableExtent implements IBatc
     public int getLight(int x, int y, int z) {
         if (!contains(x, y, z)) {
             if (!limit.MAX_FAILS()) {
-                WEManager.IMP.cancelEditSafe(this, FaweException.OUTSIDE_REGION);
+                WEManager.IMP.cancelEditSafe(this, FaweCache.OUTSIDE_REGION);
             }
             return 0;
         }
@@ -175,7 +175,7 @@ public abstract class FaweRegionExtent extends ResettableExtent implements IBatc
     public int getOpacity(int x, int y, int z) {
         if (!contains(x, y, z)) {
             if (!limit.MAX_FAILS()) {
-                WEManager.IMP.cancelEditSafe(this, FaweException.OUTSIDE_REGION);
+                WEManager.IMP.cancelEditSafe(this, FaweCache.OUTSIDE_REGION);
             }
             return 0;
         }
@@ -186,7 +186,7 @@ public abstract class FaweRegionExtent extends ResettableExtent implements IBatc
     public int getSkyLight(int x, int y, int z) {
         if (!contains(x, y, z)) {
             if (!limit.MAX_FAILS()) {
-                WEManager.IMP.cancelEditSafe(this, FaweException.OUTSIDE_REGION);
+                WEManager.IMP.cancelEditSafe(this, FaweCache.OUTSIDE_REGION);
             }
             return 0;
         }
@@ -198,7 +198,7 @@ public abstract class FaweRegionExtent extends ResettableExtent implements IBatc
     public Entity createEntity(Location location, BaseEntity entity) {
         if (!contains(location.getBlockX(), location.getBlockY(), location.getBlockZ())) {
             if (!limit.MAX_FAILS()) {
-                WEManager.IMP.cancelEditSafe(this, FaweException.OUTSIDE_REGION);
+                WEManager.IMP.cancelEditSafe(this, FaweCache.OUTSIDE_REGION);
             }
             return null;
         }

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

@@ -50,7 +50,7 @@ public class HeightBoundExtent extends FaweRegionExtent implements IBatchProcess
     }
 
     @Override
-    public IChunkSet processBatch(IChunk chunk, IChunkGet get, IChunkSet set) {
+    public IChunkSet processSet(IChunk chunk, IChunkGet get, IChunkSet set) {
         if (trimY(set, min, max) | trimNBT(set, this::contains)) {
             return set;
         }

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

@@ -1,5 +1,6 @@
 package com.boydti.fawe.object.extent;
 
+import com.boydti.fawe.FaweCache;
 import com.boydti.fawe.config.BBC;
 import com.boydti.fawe.object.exception.FaweException;
 import com.boydti.fawe.util.MemUtil;
@@ -26,7 +27,7 @@ public class MemoryCheckingExtent extends PassthroughExtent {
                     BBC.WORLDEDIT_OOM_ADMIN.send(this.player);
                 }
             }
-            WEManager.IMP.cancelEdit(this, FaweException.LOW_MEMORY);
+            WEManager.IMP.cancelEdit(this, FaweCache.LOW_MEMORY);
         }
         return super.getExtent();
     }

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

@@ -5,7 +5,6 @@ import com.boydti.fawe.beta.IChunkGet;
 import com.boydti.fawe.beta.IChunkSet;
 import com.boydti.fawe.object.FaweLimit;
 import com.sk89q.worldedit.extent.Extent;
-import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.regions.RegionIntersection;
 
@@ -50,6 +49,16 @@ public class MultiRegionExtent extends FaweRegionExtent {
         return false;
     }
 
+    @Override
+    public boolean processGet(int chunkX, int chunkZ) {
+        for (Region region : regions) {
+            if (region.containsChunk(chunkX, chunkZ)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     @Override
     public boolean contains(int x, int z) {
         if (region.contains(x, z)) {
@@ -74,7 +83,7 @@ public class MultiRegionExtent extends FaweRegionExtent {
     }
 
     @Override
-    public IChunkSet processBatch(IChunk chunk, IChunkGet get, IChunkSet set) {
+    public IChunkSet processSet(IChunk chunk, IChunkGet get, IChunkSet set) {
-        return intersection.processBatch(chunk, get, set);
+        return intersection.processSet(chunk, get, set);
     }
 }

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

@@ -1,5 +1,6 @@
 package com.boydti.fawe.object.extent;
 
+import com.boydti.fawe.FaweCache;
 import com.boydti.fawe.beta.IChunk;
 import com.boydti.fawe.beta.IChunkGet;
 import com.boydti.fawe.beta.IChunkSet;
@@ -52,7 +53,7 @@ public class NullExtent extends FaweRegionExtent {
     }
 
     public NullExtent() {
-        this(new com.sk89q.worldedit.extent.NullExtent(), FaweException.MANUAL);
+        this(new com.sk89q.worldedit.extent.NullExtent(), FaweCache.MANUAL);
     }
 
     @Override
@@ -326,7 +327,12 @@ public class NullExtent extends FaweRegionExtent {
     }
 
     @Override
-    public IChunkSet processBatch(IChunk chunk, IChunkGet get, IChunkSet set) {
+    public IChunkSet processSet(IChunk chunk, IChunkGet get, IChunkSet set) {
         return null;
     }
+
+    @Override
+    public boolean processGet(int chunkX, int chunkZ) {
+        return false;
+    }
 }

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

@@ -1,5 +1,6 @@
 package com.boydti.fawe.object.extent;
 
+import com.boydti.fawe.FaweCache;
 import com.boydti.fawe.object.FaweLimit;
 import com.boydti.fawe.object.exception.FaweException;
 import com.boydti.fawe.util.WEManager;
@@ -37,7 +38,7 @@ public class ProcessedWEExtent extends AbstractDelegateExtent {
             return null;
         }
         if (!limit.MAX_ENTITIES()) {
-            WEManager.IMP.cancelEditSafe(this, FaweException.MAX_ENTITIES);
+            WEManager.IMP.cancelEditSafe(this, FaweCache.MAX_ENTITIES);
             return null;
         }
         return super.createEntity(location, entity);
@@ -46,7 +47,7 @@ public class ProcessedWEExtent extends AbstractDelegateExtent {
     @Override
     public BlockState getBlock(int x, int y, int z) {
         if (!limit.MAX_CHECKS()) {
-            WEManager.IMP.cancelEditSafe(this, FaweException.MAX_CHECKS);
+            WEManager.IMP.cancelEditSafe(this, FaweCache.MAX_CHECKS);
             return BlockTypes.AIR.getDefaultState();
         } else {
             return extent.getBlock(x, y, z);
@@ -56,7 +57,7 @@ public class ProcessedWEExtent extends AbstractDelegateExtent {
     @Override
     public BaseBlock getFullBlock(BlockVector3 pos) {
         if (!limit.MAX_CHECKS()) {
-            WEManager.IMP.cancelEditSafe(this, FaweException.MAX_CHECKS);
+            WEManager.IMP.cancelEditSafe(this, FaweCache.MAX_CHECKS);
             return BlockTypes.AIR.getDefaultState().toBaseBlock();
         } else {
             return extent.getFullBlock(pos);
@@ -78,18 +79,18 @@ public class ProcessedWEExtent extends AbstractDelegateExtent {
         boolean hasNbt = block instanceof BaseBlock && block.hasNbtData();
         if (hasNbt) {
             if (!limit.MAX_BLOCKSTATES()) {
-                WEManager.IMP.cancelEdit(this, FaweException.MAX_TILES);
+                WEManager.IMP.cancelEdit(this, FaweCache.MAX_TILES);
                 return false;
             } else {
                 if (!limit.MAX_CHANGES()) {
-                    WEManager.IMP.cancelEdit(this, FaweException.MAX_CHANGES);
+                    WEManager.IMP.cancelEdit(this, FaweCache.MAX_CHANGES);
                     return false;
                 }
                 return extent.setBlock(x, y, z, block);
             }
         }
         if (!limit.MAX_CHANGES()) {
-            WEManager.IMP.cancelEdit(this, FaweException.MAX_CHANGES);
+            WEManager.IMP.cancelEdit(this, FaweCache.MAX_CHANGES);
             return false;
         } else {
             return extent.setBlock(x, y, z, block);
@@ -99,7 +100,7 @@ public class ProcessedWEExtent extends AbstractDelegateExtent {
     @Override
     public boolean setBiome(BlockVector2 position, BiomeType biome) {
         if (!limit.MAX_CHANGES()) {
-            WEManager.IMP.cancelEditSafe(this, FaweException.MAX_CHANGES);
+            WEManager.IMP.cancelEditSafe(this, FaweCache.MAX_CHANGES);
             return false;
         }
         return super.setBiome(position, biome);

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

@@ -6,7 +6,7 @@ import com.boydti.fawe.beta.IChunkSet;
 import com.boydti.fawe.object.FaweLimit;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.regions.Region;
-import java.util.Arrays;
+
 import java.util.Collection;
 import java.util.Collections;
 
@@ -40,7 +40,12 @@ public class SingleRegionExtent extends FaweRegionExtent {
     }
 
     @Override
-    public IChunkSet processBatch(IChunk chunk, IChunkGet get, IChunkSet set) {
+    public IChunkSet processSet(IChunk chunk, IChunkGet get, IChunkSet set) {
-        return region.processBatch(chunk, get, set);
+        return region.processSet(chunk, get, set);
+    }
+
+    @Override
+    public boolean processGet(int chunkX, int chunkZ) {
+        return region.containsChunk(chunkX, chunkZ);
     }
 }

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

@@ -0,0 +1,6 @@
+package com.boydti.fawe.object.function;
+
+@FunctionalInterface
+public interface QuadFunction<T, U, V, W, R> {
+    R apply(T t, U u, V v, W w);
+}

worldedit-core/src/main/java/com/boydti/fawe/object/schematic/visualizer/SchemVis.java

@@ -551,13 +551,13 @@
 //    public void sendChunk(int x, int z, int bitMask) { /* do nothing - never used*/ }
 //
 //    @Override
-//    public BiomeType getBiomeType(int x, int z) throws FaweException.CHUNK {
+//    public BiomeType getBiomeType(int x, int z) throws FaweCache.CHUNK {
 //        // TODO later (currently not used)
 //        return BiomeTypes.FOREST;
 //    }
 //
 //    @Override
-//    public int getCombinedId4Data(int x, int y, int z) throws FaweException.CHUNK {
+//    public int getCombinedId4Data(int x, int y, int z) throws FaweCache.CHUNK {
 //        MCAChunk chunk = getChunk(x >> 4, z >> 4);
 //        if (y < 0 || y > 255) return 0;
 //        return chunk.getBlockCombinedId(x & 15, y, z & 15);

worldedit-core/src/main/java/com/boydti/fawe/util/EditSessionBuilder.java

@@ -2,6 +2,7 @@ package com.boydti.fawe.util;
 
 import com.boydti.fawe.Fawe;
 import com.boydti.fawe.FaweAPI;
+import com.boydti.fawe.FaweCache;
 import com.boydti.fawe.beta.IQueueExtent;
 import com.boydti.fawe.beta.implementation.ParallelQueueExtent;
 import com.boydti.fawe.config.BBC;
@@ -223,11 +224,11 @@ public class EditSessionBuilder {
         event.setExtent(extent);
         eventBus.post(event);
         if (event.isCancelled()) {
-            return new NullExtent(extent, FaweException.MANUAL);
+            return new NullExtent(extent, FaweCache.MANUAL);
         }
         final Extent toReturn = event.getExtent();
         if(toReturn instanceof com.sk89q.worldedit.extent.NullExtent) {
-            return new NullExtent(toReturn, FaweException.MANUAL);
+            return new NullExtent(toReturn, FaweCache.MANUAL);
         }
 //        if (!(toReturn instanceof AbstractDelegateExtent)) {
 //            Fawe.debug("Extent " + toReturn + " must be AbstractDelegateExtent");
@@ -307,7 +308,7 @@ public class EditSessionBuilder {
                 if (Permission.hasPermission(player, "worldedit.fast")) {
                     BBC.WORLDEDIT_OOM_ADMIN.send(player);
                 }
-                throw FaweException.LOW_MEMORY;
+                throw FaweCache.LOW_MEMORY;
             }
         }
 //        this.originalLimit = limit;
@@ -409,7 +410,7 @@ public class EditSessionBuilder {
             FaweRegionExtent regionExtent = null;
             if (allowedRegions != null) {
                 if (allowedRegions.length == 0) {
-                    regionExtent = new NullExtent(this.extent, FaweException.NO_REGION);
+                    regionExtent = new NullExtent(this.extent, FaweCache.NO_REGION);
                 } else {
 //                    this.extent = new ProcessedWEExtent(this.extent, this.limit);
                     if (allowedRegions.length == 1) {

worldedit-core/src/main/java/com/boydti/fawe/web/SchemSync.java

@@ -1,6 +1,7 @@
 package com.boydti.fawe.web;
 
 import com.boydti.fawe.Fawe;
+import com.boydti.fawe.FaweCache;
 import com.boydti.fawe.config.Settings;
 import com.boydti.fawe.object.exception.FaweException;
 import com.boydti.fawe.util.MainUtil;
@@ -57,7 +58,7 @@ public class SchemSync implements Runnable {
 
     private void close(Error error) throws IOException {
         this.clientSocket.getOutputStream().write(error.ordinal());
-        throw FaweException.MANUAL;
+        throw FaweCache.MANUAL;
     }
 
     @Override

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

@@ -25,6 +25,7 @@ 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.boydti.fawe.FaweCache;
 import com.boydti.fawe.config.BBC;
 import com.boydti.fawe.config.Settings;
 import com.boydti.fawe.object.FaweLimit;
@@ -332,7 +333,7 @@ public class EditSession extends PassthroughExtent implements AutoCloseable {
 
     public boolean cancel() {
         ExtentTraverser traverser = new ExtentTraverser<>(getExtent());
-        NullExtent nullExtent = new NullExtent(world, FaweException.MANUAL);
+        NullExtent nullExtent = new NullExtent(world, FaweCache.MANUAL);
         while (traverser != null) {
             Extent get = traverser.get();
             ExtentTraverser next = traverser.next();
@@ -2844,7 +2845,7 @@ public class EditSession extends PassthroughExtent implements AutoCloseable {
             BlockVector3 max = region.getMaximumPoint();
             BlockVector3 min = region.getMinimumPoint();
             if (!fe.contains(max.getBlockX(), max.getBlockY(), max.getBlockZ()) && !fe.contains(min.getBlockX(), min.getBlockY(), min.getBlockZ())) {
-                throw FaweException.OUTSIDE_REGION;
+                throw FaweCache.OUTSIDE_REGION;
             }
         }
         final Set<BlockVector2> chunks = region.getChunks();

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

@@ -29,7 +29,6 @@ import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.command.util.CommandPermissions;
 import com.sk89q.worldedit.command.util.CommandPermissionsConditionGenerator;
 import com.sk89q.worldedit.command.util.Logging;
-import com.sk89q.worldedit.command.util.WorldEditAsyncCommandBuilder;
 import com.sk89q.worldedit.entity.Player;
 import com.sk89q.worldedit.extension.platform.Actor;
 import com.sk89q.worldedit.extension.platform.Capability;
@@ -82,7 +81,6 @@ public class BiomeCommands {
     public void biomeList(Actor actor,
                           @ArgFlag(name = 'p', desc = "Page number.", def = "1")
                               int page) {
-        WorldEditAsyncCommandBuilder.createAndSendMessage(actor, () -> {
             BiomeRegistry biomeRegistry = WorldEdit.getInstance().getPlatformManager()
                     .queryCapability(Capability.GAME_HOOKS).getRegistries().getBiomeRegistry();
 
@@ -99,8 +97,7 @@ public class BiomeCommands {
                                 }
                             })
                             .collect(Collectors.toList()));
-             return paginationBox.create(page);
+             actor.print(paginationBox.create(page));
-        }, null);
     }
 
     @Command(

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

@@ -30,7 +30,6 @@ import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.command.util.CommandPermissions;
 import com.sk89q.worldedit.command.util.CommandPermissionsConditionGenerator;
 import com.sk89q.worldedit.command.util.Logging;
-import com.sk89q.worldedit.command.util.WorldEditAsyncCommandBuilder;
 import com.sk89q.worldedit.entity.Player;
 import com.sk89q.worldedit.extension.platform.Actor;
 import com.sk89q.worldedit.internal.anvil.ChunkDeleter;
@@ -98,9 +97,8 @@ public class ChunkCommands {
                             @ArgFlag(name = 'p', desc = "Page number.", def = "1") int page) throws WorldEditException {
         final Region region = session.getSelection(world);
 
-        WorldEditAsyncCommandBuilder.createAndSendMessage(actor,
+        actor.print("Listing chunks for " + actor.getName());
-                () -> new ChunkListPaginationBox(region).create(page),
+        actor.print(new ChunkListPaginationBox(region).create(page));
-                "Listing chunks for " + actor.getName());
     }
 
     @Command(

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

@@ -24,6 +24,7 @@ import static com.sk89q.worldedit.command.util.Logging.LogMode.PLACEMENT;
 import static com.sk89q.worldedit.command.util.Logging.LogMode.REGION;
 
 import com.boydti.fawe.FaweAPI;
+import com.boydti.fawe.FaweCache;
 import com.boydti.fawe.config.BBC;
 import com.boydti.fawe.config.Settings;
 import com.boydti.fawe.object.FaweLimit;
@@ -135,7 +136,7 @@ public class ClipboardCommands {
             ((long) max.getX() - (long) min.getX() + 1) * ((long) max.getY() - (long) min.getY() + 1) * ((long) max.getZ() - (long) min.getZ() + 1);
         FaweLimit limit = actor.getLimit();
         if (volume >= limit.MAX_CHECKS) {
-            throw FaweException.MAX_CHECKS;
+            throw FaweCache.MAX_CHECKS;
         }
         actor.checkConfirmationRegion(() -> {
             session.setClipboard(null);
@@ -216,10 +217,10 @@ public class ClipboardCommands {
         long volume = ((long) max.getX() - (long) min.getX() + 1) * ((long) max.getY() - (long) min.getY() + 1) * ((long) max.getZ() - (long) min.getZ() + 1);
         FaweLimit limit = actor.getLimit();
         if (volume >= limit.MAX_CHECKS) {
-            throw FaweException.MAX_CHECKS;
+            throw FaweCache.MAX_CHECKS;
         }
         if (volume >= limit.MAX_CHANGES) {
-            throw FaweException.MAX_CHANGES;
+            throw FaweCache.MAX_CHANGES;
         }
         session.setClipboard(null);
 
@@ -255,10 +256,10 @@ public class ClipboardCommands {
         long volume = (((long) max.getX() - (long) min.getX() + 1) * ((long) max.getY() - (long) min.getY() + 1) * ((long) max.getZ() - (long) min.getZ() + 1));
         FaweLimit limit = actor.getLimit();
         if (volume >= limit.MAX_CHECKS) {
-            throw FaweException.MAX_CHECKS;
+            throw FaweCache.MAX_CHECKS;
         }
         if (volume >= limit.MAX_CHANGES) {
-            throw FaweException.MAX_CHANGES;
+            throw FaweCache.MAX_CHANGES;
         }
         actor.checkConfirmationRegion(() -> {
             session.setClipboard(null);
@@ -378,6 +379,7 @@ public class ClipboardCommands {
                 }
                 url = FaweAPI.upload(target, format);
             }
+        }
         if (url == null) {
             BBC.GENERATING_LINK_FAILED.send(player);
         } else {
@@ -392,7 +394,6 @@ public class ClipboardCommands {
             BBC.DOWNLOAD_LINK.send(player, urlText);
         }
     }
-    }
 
     @Command(
             name = "asset",

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

@@ -252,7 +252,7 @@ public class GeneralCommands {
                            @ArgFlag(name = 'p', desc = "Page of results to return", def = "1")
                                int page,
                            @Arg(desc = "Search query", variable = true)
-                               List<String> query) {
+                               List<String> query) throws Exception {
         String search = String.join(" ", query);
         if (search.length() <= 2) {
             actor.printError("Enter a longer search string (len > 2).");
@@ -263,8 +263,7 @@ public class GeneralCommands {
             return;
         }
 
-        WorldEditAsyncCommandBuilder.createAndSendMessage(actor, new ItemSearcher(search, blocksOnly, itemsOnly, page),
+        actor.print(new ItemSearcher(search, blocksOnly, itemsOnly, page).call());
-                "(Please wait... searching items.)");
     }
 
     public static class ItemSearcher implements Callable<Component> {

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

@@ -30,6 +30,7 @@ import static com.sk89q.worldedit.regions.Regions.maximumBlockY;
 import static com.sk89q.worldedit.regions.Regions.minimumBlockY;
 
 import com.boydti.fawe.FaweAPI;
+import com.boydti.fawe.FaweCache;
 import com.boydti.fawe.config.BBC;
 import com.boydti.fawe.object.FaweLimit;
 import com.boydti.fawe.object.exception.FaweException;
@@ -410,7 +411,7 @@ public class RegionCommands {
         long volume = (((long) max.getX() - (long) min.getX() + 1) * ((long) max.getY() - (long) min.getY() + 1) * ((long) max.getZ() - (long) min.getZ() + 1));
         FaweLimit limit = fp.getLimit();
         if (volume >= limit.MAX_CHECKS) {
-            throw FaweException.MAX_CHECKS;
+            throw FaweCache.MAX_CHECKS;
         }
         fp.checkConfirmationRegion(() -> {
             try {

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

@@ -19,25 +19,25 @@
 
 package com.sk89q.worldedit.command;
 
-import static com.google.common.base.Preconditions.checkArgument;
-import static com.google.common.base.Preconditions.checkNotNull;
-
 import com.boydti.fawe.config.BBC;
 import com.boydti.fawe.config.Settings;
 import com.boydti.fawe.object.clipboard.MultiClipboardHolder;
 import com.boydti.fawe.object.clipboard.URIClipboardHolder;
 import com.boydti.fawe.object.clipboard.remap.ClipboardRemapper;
+import com.boydti.fawe.object.function.QuadFunction;
 import com.boydti.fawe.object.schematic.MinecraftStructure;
 import com.boydti.fawe.util.MainUtil;
+import com.boydti.fawe.util.MathMan;
+import com.google.common.base.Function;
 import com.google.common.collect.Multimap;
 import com.sk89q.worldedit.LocalConfiguration;
 import com.sk89q.worldedit.LocalSession;
 import com.sk89q.worldedit.WorldEdit;
 import com.sk89q.worldedit.WorldEditException;
+import com.sk89q.worldedit.command.argument.Arguments;
 import com.sk89q.worldedit.command.util.AsyncCommandBuilder;
 import com.sk89q.worldedit.command.util.CommandPermissions;
 import com.sk89q.worldedit.command.util.CommandPermissionsConditionGenerator;
-import com.sk89q.worldedit.command.util.WorldEditAsyncCommandBuilder;
 import com.sk89q.worldedit.entity.Player;
 import com.sk89q.worldedit.event.extent.ActorSaveClipboardEvent;
 import com.sk89q.worldedit.extension.platform.Actor;
@@ -59,6 +59,16 @@ import com.sk89q.worldedit.util.formatting.text.event.HoverEvent;
 import com.sk89q.worldedit.util.formatting.text.format.TextColor;
 import com.sk89q.worldedit.util.io.Closer;
 import com.sk89q.worldedit.util.io.file.FilenameException;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.enginehub.piston.annotation.Command;
+import org.enginehub.piston.annotation.CommandContainer;
+import org.enginehub.piston.annotation.param.Arg;
+import org.enginehub.piston.annotation.param.ArgFlag;
+import org.enginehub.piston.annotation.param.Switch;
+import org.enginehub.piston.exception.StopExecutionException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
 import java.io.File;
@@ -77,17 +87,14 @@ import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
+import java.util.Map;
 import java.util.UUID;
 import java.util.concurrent.Callable;
 import java.util.regex.Pattern;
-import org.enginehub.piston.annotation.Command;
+
-import org.enginehub.piston.annotation.CommandContainer;
+import static com.boydti.fawe.util.ReflectionUtils.as;
-import org.enginehub.piston.annotation.param.Arg;
+import static com.google.common.base.Preconditions.checkArgument;
-import org.enginehub.piston.annotation.param.ArgFlag;
+import static com.google.common.base.Preconditions.checkNotNull;
-import org.enginehub.piston.annotation.param.Switch;
-import org.enginehub.piston.exception.StopExecutionException;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 //import com.boydti.fawe.object.schematic.visualizer.SchemVis;
 
@@ -572,68 +579,109 @@ public class SchematicCommands {
         descFooter = "Note: Format is not fully verified until loading."
     )
     @CommandPermissions("worldedit.schematic.list")
-    public void list(Actor actor,
+    public void list(Actor actor, LocalSession session, @Arg(name = "filter", desc = "Filter for schematics", def = "all")
-                     @ArgFlag(name = 'p', desc = "Page to view.", def = "1")
+            String filter, @ArgFlag(name = 'f', desc = "Restricts by format.", def = "")
+            String formatName,
+                     @ArgFlag(name = 'p', desc = "Page to view.", def = "-1")
                          int page,
                      @Switch(name = 'd', desc = "Sort by date, oldest first")
                          boolean oldFirst,
                      @Switch(name = 'n', desc = "Sort by date, newest first")
                          boolean newFirst,
-                     @ArgFlag(name = 'f', desc = "Restricts by format.")
+                     Arguments arguments
-                         String formatName,
+                    ) throws WorldEditException {
-                    @Arg(name = "filter", desc = "Filter for schematics", def = "all")
-                        String filter) throws WorldEditException {
         if (oldFirst && newFirst) {
             throw new StopExecutionException(TextComponent.of("Cannot sort by oldest and newest."));
         }
-        final String saveDir = worldEdit.getConfiguration().saveDir;
+        String pageCommand = arguments.get();
-        final int sortType = oldFirst ? -1 : newFirst ? 1 : 0;
+        if (pageCommand.contains("-p ")) {
+            pageCommand = pageCommand.replaceAll("-p [0-9]+", "-p %page%");
+        } else{
+            pageCommand = pageCommand + " -p %page%";
+        }
+        LocalConfiguration config = worldEdit.getConfiguration();
+        File dir = worldEdit.getWorkingDirectoryFile(config.saveDir);
 
-        final String pageCommand = actor.isPlayer()
+        String schemCmd = "/schematic";
-                ? "//schem list -p %page%" + (sortType == -1 ? " -d" : sortType == 1 ? " -n" : "") : null;
+        String loadSingle = schemCmd + " " + "load";
+        String loadMulti = schemCmd + " " + "loadall";
+        String unload = schemCmd + " " + "unload";
+        String delete = schemCmd + " " + "delete";
+        String list = schemCmd + " " + "list";
+        String showCmd = schemCmd + " " + "show";
 
-        WorldEditAsyncCommandBuilder.createAndSendMessage(actor,
+        List<String> args = filter.isEmpty() ? Collections.emptyList() : Arrays.asList(filter.split(" "));
-                new SchematicListTask(saveDir, sortType, page, pageCommand, filter, formatName), "(Please wait... gathering schematic list.)");
 
-//        UtilityCommands.list(dir, actor, args, page, -1, formatName, Settings.IMP.PATHS.PER_PLAYER_SCHEMATICS, new RunnableVal3<Message, URI, String>() {
+        URIClipboardHolder multi = as(URIClipboardHolder.class, session.getExistingClipboard());
-//            @Override
+
-//            public void run(Message msg, URI uri, String relFilePath) {
+        final boolean hasShow = false;
-//                boolean isDir = false;
+
-//                boolean loaded = multi != null && multi.contains(uri);
+        //If player forgot -p argument
-//
+        if (page == -1) {
-//                String name = relFilePath;
+            page = 1;
-//                String uriStr = uri.toString();
+            if (args.size() != 0) {
-//                if (uriStr.startsWith("file:/")) {
+                String lastArg = args.get(args.size() - 1);
-//                    File file1 = new File(uri.getPath());
+                if (MathMan.isInteger(lastArg)) {
-//                    name = file1.getName();
+                    page = Integer.parseInt(lastArg);
-//                    try {
+                }
-//                        if (!MainUtil.isInSubDirectory(dir, file1)) {
+            }
-//                            throw new RuntimeException(new CommandException("Invalid path"));
+        }
-//                        }
+        boolean playerFolder = Settings.IMP.PATHS.PER_PLAYER_SCHEMATICS;
-//                    } catch (IOException ignore) {}
+        UUID uuid = playerFolder ? actor.getUniqueId() : null;
-//                    if (file1.isDirectory()) {
+        List<File> files = UtilityCommands.getFiles(dir, actor, args, formatName, playerFolder, oldFirst, newFirst);
-//                        isDir = true;
+        List<Map.Entry<URI, String>> entries = UtilityCommands.filesToEntry(dir, files, uuid);
-//                    } else if (name.indexOf('.') != -1) {
+
-//                        name = name.substring(0, name.lastIndexOf('.'));
+        Function<URI, Boolean> isLoaded = multi == null ? f -> false : multi::contains;
-//                    }
+
-//                }  // url
+        List<Component> components = UtilityCommands.entryToComponent(dir, entries, isLoaded, new QuadFunction<String, String, UtilityCommands.URIType, Boolean, Component>() {
-//
+            @Override
-//                msg.text(" - ");
+            public Component apply(String name, String path, UtilityCommands.URIType type, Boolean loaded) {
-//
+                TextColor color = TextColor.GRAY;
-//                if (loaded) {
+                switch (type) {
-//                    msg.text("[-]").command(unload + " " + relFilePath).tooltip("Unload");
+                    case URL:
-//                } else {
+                        color = TextColor.DARK_GRAY;
-//                    msg.text("[+]").command(loadMulti + " " + relFilePath).tooltip("Add to clipboard");
+                        break;
-//                }
+                    case FILE:
-//                if (!isDir) msg.text("[X]").suggest("/" + delete + " " + relFilePath).tooltip("Delete");
+                        color = TextColor.GREEN;
-//                msg.text(name);
+                        break;
-//                if (isDir) {
+                    case DIRECTORY:
-//                    msg.command(list + " " + relFilePath).tooltip("List");
+                        color = TextColor.GOLD;
-//                } else {
+                        break;
-//                    msg.command(loadSingle + " " + relFilePath).tooltip("Load");
+                }
-//                }
+
-//            }
+                TextComponent.Builder msg = TextComponent.builder();
-//        });
+
+                msg.append(TextComponent.of(" - ", color));
+
+                if (loaded) {
+                    msg.append(TextComponent.of("[-]", TextColor.RED)
+                            .clickEvent(ClickEvent.of(ClickEvent.Action.SUGGEST_COMMAND, unload + " " + path))
+                            .hoverEvent(HoverEvent.of(HoverEvent.Action.SHOW_TEXT, TextComponent.of("Unload"))));
+                } else {
+                    msg.append(TextComponent.of("[+]", TextColor.GREEN)
+                            .clickEvent(ClickEvent.of(ClickEvent.Action.SUGGEST_COMMAND, loadMulti + " " + path))
+                            .hoverEvent(HoverEvent.of(HoverEvent.Action.SHOW_TEXT, TextComponent.of("Add to clipboard"))));
+                }
+                if (type != UtilityCommands.URIType.DIRECTORY) {
+                    msg.append(TextComponent.of("[X]", TextColor.DARK_RED).clickEvent(ClickEvent.of(ClickEvent.Action.SUGGEST_COMMAND, delete + " " + path)));
+                } else if (hasShow) {
+                    msg.append(TextComponent.of("[O]", TextColor.DARK_AQUA).clickEvent(ClickEvent.of(ClickEvent.Action.SUGGEST_COMMAND, showCmd + " " + path)));
+                }
+                TextComponent msgElem = TextComponent.of(name, color);
+                if (type != UtilityCommands.URIType.DIRECTORY) {
+                    msgElem.clickEvent(ClickEvent.of(ClickEvent.Action.SUGGEST_COMMAND, loadSingle + " " + path))
+                            .hoverEvent(HoverEvent.of(HoverEvent.Action.SHOW_TEXT, TextComponent.of("Load")));
+                } else {
+                    msgElem.clickEvent(ClickEvent.of(ClickEvent.Action.SUGGEST_COMMAND, list + " " + path))
+                            .hoverEvent(HoverEvent.of(HoverEvent.Action.SHOW_TEXT, TextComponent.of("List")));
+                }
+                msg.append(msgElem);
+
+                return msg.build();
+            }
+        });
+        PaginationBox paginationBox = PaginationBox.fromStrings("Available schematics", pageCommand, components);
+        actor.print(paginationBox.create(page));
     }
 
     private static class SchematicLoadTask implements Callable<ClipboardHolder> {

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

@@ -19,17 +19,16 @@
 
 package com.sk89q.worldedit.command;
 
-import static com.sk89q.worldedit.command.util.Logging.LogMode.PLACEMENT;
-import static com.sk89q.worldedit.util.formatting.text.TextComponent.newline;
-
 import com.boydti.fawe.Fawe;
 import com.boydti.fawe.config.BBC;
 import com.boydti.fawe.config.Settings;
 import com.boydti.fawe.object.DelegateConsumer;
-import com.boydti.fawe.object.RunnableVal3;
+import com.boydti.fawe.object.function.QuadFunction;
 import com.boydti.fawe.util.MainUtil;
-import com.boydti.fawe.util.MathMan;
 import com.boydti.fawe.util.image.ImageUtil;
+import com.google.common.base.Function;
+import com.google.common.collect.Lists;
+import com.sk89q.minecraft.util.commands.CommandException;
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.IncompleteRegionException;
 import com.sk89q.worldedit.LocalConfiguration;
@@ -39,12 +38,11 @@ import com.sk89q.worldedit.WorldEdit;
 import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.command.util.CommandPermissions;
 import com.sk89q.worldedit.command.util.CommandPermissionsConditionGenerator;
-import com.sk89q.worldedit.command.util.SkipQueue;
 import com.sk89q.worldedit.command.util.CreatureButcher;
 import com.sk89q.worldedit.command.util.EntityRemover;
 import com.sk89q.worldedit.command.util.Logging;
 import com.sk89q.worldedit.command.util.PrintCommandHelp;
-import com.sk89q.worldedit.command.util.WorldEditAsyncCommandBuilder;
+import com.sk89q.worldedit.command.util.SkipQueue;
 import com.sk89q.worldedit.entity.Entity;
 import com.sk89q.worldedit.entity.Player;
 import com.sk89q.worldedit.extension.platform.Actor;
@@ -65,13 +63,18 @@ import com.sk89q.worldedit.regions.CuboidRegion;
 import com.sk89q.worldedit.regions.CylinderRegion;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.util.formatting.component.SubtleFormat;
+import com.sk89q.worldedit.util.formatting.text.Component;
 import com.sk89q.worldedit.util.formatting.text.TextComponent;
-import com.sk89q.worldedit.util.formatting.text.TextComponent.Builder;
-import com.sk89q.worldedit.util.formatting.text.event.ClickEvent;
-import com.sk89q.worldedit.util.formatting.text.event.HoverEvent;
 import com.sk89q.worldedit.util.formatting.text.format.TextColor;
 import com.sk89q.worldedit.world.World;
 import com.sk89q.worldedit.world.block.BlockTypes;
+import org.enginehub.piston.annotation.Command;
+import org.enginehub.piston.annotation.CommandContainer;
+import org.enginehub.piston.annotation.param.Arg;
+import org.enginehub.piston.annotation.param.ArgFlag;
+import org.enginehub.piston.annotation.param.Switch;
+
+import javax.imageio.ImageIO;
 import java.awt.RenderingHints;
 import java.awt.image.BufferedImage;
 import java.io.File;
@@ -80,19 +83,18 @@ import java.net.URI;
 import java.nio.file.Files;
 import java.text.DecimalFormat;
 import java.text.NumberFormat;
+import java.util.AbstractMap;
 import java.util.ArrayList;
+import java.util.Collections;
+import java.util.LinkedList;
 import java.util.List;
 import java.util.Locale;
+import java.util.Map;
 import java.util.UUID;
 import java.util.function.Consumer;
 import java.util.function.Supplier;
-import javax.imageio.ImageIO;
+
-import org.enginehub.piston.annotation.Command;
+import static com.sk89q.worldedit.command.util.Logging.LogMode.PLACEMENT;
-import org.enginehub.piston.annotation.CommandContainer;
-import org.enginehub.piston.annotation.param.Arg;
-import org.enginehub.piston.annotation.param.ArgFlag;
-import org.enginehub.piston.annotation.param.Switch;
-import org.jetbrains.annotations.NotNull;
 
 /**
  * Utility commands.
@@ -651,7 +653,7 @@ public class UtilityCommands {
     @CommandPermissions("worldedit.calc")
     public void calc(Actor actor,
                      @Arg(desc = "Expression to evaluate", variable = true)
-                         List<String> input) {
+                         List<String> input) throws EvaluationException {
         Expression expression;
         try {
             expression = Expression.compile(String.join(" ", input));
@@ -660,12 +662,11 @@ public class UtilityCommands {
                 "'%s' could not be parsed as a valid expression", input));
             return;
         }
-        WorldEditAsyncCommandBuilder.createAndSendMessage(actor, () -> {
         double result = expression.evaluate(
             new double[]{}, WorldEdit.getInstance().getSessionManager().get(actor).getTimeout());
         String formatted = Double.isNaN(result) ? "NaN" : formatter.format(result);
-            return SubtleFormat.wrap(input + " = ").append(TextComponent.of(formatted, TextColor.LIGHT_PURPLE));
+        TextComponent msg = SubtleFormat.wrap(input + " = ").append(TextComponent.of(formatted, TextColor.LIGHT_PURPLE));
-        }, null);
+        actor.print(msg);
     }
 
     @Command(
@@ -695,36 +696,64 @@ public class UtilityCommands {
             we.getPlatformManager().getPlatformCommandManager().getCommandManager(), actor, "//help");
     }
 
-    public static void list(File dir, Actor actor, List<String> args, @Range(min = 0) int page, String formatName, boolean playerFolder, String onClickCmd) {
+    public static List<Map.Entry<URI, String>> filesToEntry(final File root, final List<File> files, final UUID uuid) {
-        list(dir, actor, args, page, -1, formatName, playerFolder, false, false, new RunnableVal3<Builder, URI, String>() {
+        return Lists.transform(files, input -> { // Keep this functional, as transform is evaluated lazily
-            @Override
+            URI uri = input.toURI();
-            public void run(Builder m, URI uri, String fileName) {
+            String path = getPath(root, input, uuid);
-                m.append(BBC.SCHEMATIC_LIST_ELEM.format(fileName, ""));
+            return new AbstractMap.SimpleEntry<>(uri, path);
-                if (onClickCmd != null) { m.hoverEvent(HoverEvent.showText(TextComponent.of(onClickCmd + " " + fileName)))
-                    .clickEvent(ClickEvent.runCommand(onClickCmd + " " + fileName));
-                }
-            }
         });
     }
 
-    public static void list(File dir, Actor actor, List<String> args, @Range(min = 0) int page, int perPage, String formatName, boolean playerFolder, boolean oldFirst, boolean newFirst, RunnableVal3<Builder, URI, String> eachMsg) {
+    public static enum URIType {
-        List<File> fileList = new ArrayList<>();
+        URL,
-        if (perPage == -1) perPage = actor instanceof Player ? 12 : 20; // More pages for console
+        FILE,
-        page = getFiles(dir, actor, args, page, perPage, formatName, playerFolder, fileList::add);
+        DIRECTORY,
+        OTHER
+    }
+
+    public static List<Component> entryToComponent(File root, List<Map.Entry<URI, String>> entries, Function<URI, Boolean> isLoaded, QuadFunction<String, String, URIType, Boolean, Component> adapter) {
+        return Lists.transform(entries, input -> {
+            URI uri = input.getKey();
+            String path = input.getValue();
+
+            boolean url = false;
+            boolean loaded = isLoaded.apply(uri);
+
+            URIType type = URIType.FILE;
+
+            String name = path;
+            String uriStr = uri.toString();
+            if (uriStr.startsWith("file:/")) {
+                File file = new File(uri.getPath());
+                name = file.getName();
+                if (file.isDirectory()) {
+                    type = URIType.DIRECTORY;
+                } else {
+                    if (name.indexOf('.') != -1) name = name.substring(0, name.lastIndexOf('.'));
+                }
+                try {
+                    if (!MainUtil.isInSubDirectory(root, file)) {
+                        throw new RuntimeException(new CommandException("Invalid path"));
+                    }
+                } catch (IOException ignore) {
+                }
+            } else if (uriStr.startsWith("http://") || uriStr.startsWith("https://")) {
+                type = URIType.URL;
+            } else {
+                type = URIType.OTHER;
+            }
+
+            return adapter.apply(name, path, type, loaded);
+        });
+    }
+
+    public static List<File> getFiles(File dir, Actor actor, List<String> args, String formatName, boolean playerFolder, boolean oldFirst, boolean newFirst) {
+        List<File> fileList = new LinkedList<>();
+        getFiles(dir, actor, args, formatName, playerFolder, fileList::add);
 
         if (fileList.isEmpty()) {
             BBC.SCHEMATIC_NONE.send(actor);
-            return;
+            return Collections.emptyList();
-        }
-
-        int pageCount = (fileList.size() + perPage - 1) / perPage;
-        if (page < 1) {
-            BBC.SCHEMATIC_PAGE.send(actor, ">0");
-            return;
-        }
-        if (page > pageCount) {
-            BBC.SCHEMATIC_PAGE.send(actor, "<" + (pageCount + 1));
-            return;
         }
 
         final int sortType = oldFirst ? -1 : newFirst ? 1 : 0;
@@ -750,30 +779,10 @@ public class UtilityCommands {
             return res;
         });
 
-        int offset = (page - 1) * perPage;
+        return fileList;
-
-        int limit = Math.min(offset + perPage, fileList.size());
-
-//        String fullArgs = (String) args.getLocals().get("arguments");
-//        String baseCmd = null;
-//        if (fullArgs != null) {
-//            baseCmd = fullArgs.endsWith(" " + page) ? fullArgs.substring(0, fullArgs.length() - (" " + page).length()) : fullArgs;
-//        }
-        @NotNull Builder m = TextComponent.builder(BBC.SCHEMATIC_LIST.format(page, pageCount));
-
-        UUID uuid = playerFolder ? actor.getUniqueId() : null;
-        for (int i = offset; i < limit; i++) {
-            m.append(newline());
-            File file = fileList.get(i);
-            eachMsg.run(m, file.toURI(), getPath(dir, file, uuid));
-        }
-//        if (baseCmd != null) {
-//            //TODO m.newline().paginate(baseCmd, page, pageCount);
-//        }
-        actor.print(m.build());
     }
 
-    public static int getFiles(File dir, Actor actor, List<String> args, @Range(min = 0) int page, int perPage, String formatName, boolean playerFolder, Consumer<File> forEachFile) {
+    public static void getFiles(File dir, Actor actor, List<String> args, String formatName, boolean playerFolder, Consumer<File> forEachFile) {
         Consumer<File> rootFunction = forEachFile;
         //schem list all <path>
 
@@ -785,10 +794,6 @@ public class UtilityCommands {
         boolean listMine = false;
         boolean listGlobal = !Settings.IMP.PATHS.PER_PLAYER_SCHEMATICS;
         if (len > 0) {
-            int max = len;
-            if (MathMan.isInteger(args.get(len - 1))) {
-                page = Integer.parseInt(args.get(--len));
-            }
             for (int i = 0; i < len; i++) {
                 String arg = "";
                 switch (arg.toLowerCase()) {
@@ -872,7 +877,7 @@ public class UtilityCommands {
                     public void accept(File f) {
                         try {
                             if (f.isDirectory()) {
-                                UUID uuid = UUID.fromString(f.getName());
+                                UUID.fromString(f.getName());
                                 return;
                             }
                         } catch (IllegalArgumentException ignored) {}
@@ -889,7 +894,6 @@ public class UtilityCommands {
             List<File> result = filter(toFilter, filters);
             for (File file : result) rootFunction.accept(file);
         }
-        return page;
     }
 
     private static List<File> filter(List<File> fileList, List<String> filters) {
@@ -946,7 +950,7 @@ public class UtilityCommands {
         }
     }
 
-    private static String getPath(File root, File file, UUID uuid) {
+    public static String getPath(File root, File file, UUID uuid) {
         File dir;
         if (uuid != null) {
             dir = new File(root, uuid.toString());

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

@@ -99,7 +99,6 @@ public class ProvideBindings extends Bindings {
         if (extent != null) {
             return extent;
         }
-        LocalSession session = WorldEdit.getInstance().getSessionManager().get(actor);
         Player plr = getPlayer(actor);
         EditSession editSession = editSession(getLocalSession(plr), plr);
         store.injectValue(Key.of(EditSession.class), ValueProvider.constant(editSession));

worldedit-core/src/main/java/com/sk89q/worldedit/extent/inventory/BlockBagExtent.java

@@ -19,6 +19,7 @@
 
 package com.sk89q.worldedit.extent.inventory;
 
+import com.boydti.fawe.FaweCache;
 import com.boydti.fawe.object.exception.FaweException;
 import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.extent.AbstractDelegateExtent;
@@ -106,10 +107,10 @@ public class BlockBagExtent extends AbstractDelegateExtent {
                 try {
                     blockBag.fetchPlacedBlock(block.toImmutableState());
                 } catch (UnplaceableBlockException e) {
-                    throw FaweException.BLOCK_BAG;
+                    throw FaweCache.BLOCK_BAG;
                 } catch (BlockBagException e) {
                     missingBlocks[block.getBlockType().getInternalId()]++;
-                    throw FaweException.BLOCK_BAG;
+                    throw FaweCache.BLOCK_BAG;
                 }
             }
             if (mine) {

worldedit-core/src/main/java/com/sk89q/worldedit/regions/CuboidRegion.java

@@ -670,7 +670,7 @@ public class CuboidRegion extends AbstractRegion implements FlatRegion {
     }
 
     @Override
-    public IChunkSet processBatch(IChunk chunk, IChunkGet get, IChunkSet set) {
+    public IChunkSet processSet(IChunk chunk, IChunkGet get, IChunkSet set) {
         int bx = chunk.getX() << 4;
         int bz = chunk.getZ() << 4;
         int tx = bx + 15;

worldedit-core/src/main/java/com/sk89q/worldedit/regions/Region.java

@@ -265,7 +265,17 @@ public interface Region extends Iterable<BlockVector3>, Cloneable, IBatchProcess
                 contains(tx, ty, tz);
     }
 
-    default IChunkSet processBatch(IChunk chunk, IChunkGet get, IChunkSet set) {
+    default boolean containsChunk(int chunkX, int chunkZ) {
+        int bx = chunkX << 4;
+        int bz = chunkZ << 4;
+        int tx = bx + 15;
+        int tz = bz + 15;
+        BlockVector3 min = getMinimumPoint();
+        BlockVector3 max = getMaximumPoint();
+        return tx >= min.getX() && bx <= max.getX() && tx >= min.getZ() && bx <= max.getZ();
+    }
+
+    default IChunkSet processSet(IChunk chunk, IChunkGet get, IChunkSet set) {
         int bx = chunk.getX() << 4;
         int bz = chunk.getZ() << 4;
         int tx = bx + 15;

worldedit-core/src/main/java/com/sk89q/worldedit/regions/RegionIntersection.java

@@ -155,7 +155,7 @@ public class RegionIntersection extends AbstractRegion {
     }
 
     @Override
-    public IChunkSet processBatch(IChunk chunk, IChunkGet get, IChunkSet set) {
+    public IChunkSet processSet(IChunk chunk, IChunkGet get, IChunkSet set) {
         int bx = chunk.getX() << 4;
         int bz = chunk.getZ() << 4;
         int tx = bx + 15;
@@ -164,7 +164,7 @@ public class RegionIntersection extends AbstractRegion {
             BlockVector3 regMin = region.getMinimumPoint();
             BlockVector3 regMax = region.getMaximumPoint();
             if (tx >= regMin.getX() && bx <= regMax.getX() && tz >= regMin.getZ() && bz <= regMax.getZ()) {
-                return region.processBatch(chunk, get, set);
+                return region.processSet(chunk, get, set);
             }
         }
         return null;

worldedit-core/src/main/java/com/sk89q/worldedit/util/formatting/component/CommandUsageBox.java

@@ -22,6 +22,7 @@ package com.sk89q.worldedit.util.formatting.component;
 import static com.google.common.base.Preconditions.checkNotNull;
 import static com.sk89q.worldedit.internal.command.CommandUtil.getSubCommands;
 
+import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Iterables;
 import com.sk89q.worldedit.util.formatting.text.TextComponent;
 import com.sk89q.worldedit.util.formatting.text.event.ClickEvent;
@@ -31,7 +32,10 @@ import java.util.List;
 import javax.annotation.Nullable;
 import org.enginehub.piston.Command;
 import org.enginehub.piston.CommandParameters;
+import org.enginehub.piston.NoInputCommandParameters;
 import org.enginehub.piston.config.ColorConfig;
+import org.enginehub.piston.inject.InjectedValueAccess;
+import org.enginehub.piston.part.CommandPart;
 import org.enginehub.piston.util.HelpGenerator;
 
 /**

worldedit-core/src/main/java/com/sk89q/worldedit/util/formatting/component/PaginationBox.java

@@ -168,7 +168,10 @@ public abstract class PaginationBox extends MessageBox {
                     iterIndex++;
                 } while (iterIndex < number);
             }
-            return TextComponent.of(obj.toString());
+            if (obj instanceof Component) {
+                return (Component) obj;
+            }
+            return TextComponent.of(obj + "");
         }
 
         @Override