Fixed a few clipboard related issues.

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

@@ -37,7 +37,7 @@ public class BlockVector extends Vector {
      * @param position the other position
      */
     public BlockVector(Vector position) {
-        this(position.getBlockX(), position.getBlockY(), position.getBlockZ());
+        super(position);
     }
 
     /**
@@ -59,7 +59,7 @@ public class BlockVector extends Vector {
      * @param z the Z coordinate
      */
     public BlockVector(float x, float y, float z) {
-        this((int) x, (int) y, (int) z);
+        super(x, y, z);
     }
 
     /**
@@ -70,7 +70,7 @@ public class BlockVector extends Vector {
      * @param z the Z coordinate
      */
     public BlockVector(double x, double y, double z) {
-        this((int) x, (int) y, (int) z);
+        super(x, y, z);
     }
 
     @Override

worldedit-core/src/main/java/com/sk89q/worldedit/BlockVector2D.java

@@ -36,7 +36,7 @@ public class BlockVector2D extends Vector2D {
      * @param position the position to copy
      */
     public BlockVector2D(Vector2D position) {
-        this(position.getBlockX(), position.getBlockZ());
+        super(position);
     }
 
     /**
@@ -56,7 +56,7 @@ public class BlockVector2D extends Vector2D {
      * @param z the Z coordinate
      */
     public BlockVector2D(float x, float z) {
-        this((int) x, (int) z);
+        super(x, z);
     }
 
     /**
@@ -66,7 +66,7 @@ public class BlockVector2D extends Vector2D {
      * @param z the Z coordinate
      */
     public BlockVector2D(double x, double z) {
-        this((int) x, (int) z);
+        super(x, z);
     }
 
     @Override

worldedit-core/src/main/java/com/sk89q/worldedit/extent/ChangeSetExtent.java

@@ -21,6 +21,7 @@ package com.sk89q.worldedit.extent;
 
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.WorldEditException;
+import com.sk89q.worldedit.blocks.BaseBlock;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
 import com.sk89q.worldedit.entity.BaseEntity;
 import com.sk89q.worldedit.entity.Entity;
@@ -59,7 +60,7 @@ public class ChangeSetExtent extends AbstractDelegateExtent {
 
     @Override
     public boolean setBlock(Vector location, BlockStateHolder block) throws WorldEditException {
-        BlockStateHolder previous = getBlock(location);
+        BaseBlock previous = getFullBlock(location);
         changeSet.add(new BlockChange(location.toBlockVector(), previous, block));
         return super.setBlock(location, block);
     }

worldedit-core/src/main/java/com/sk89q/worldedit/extent/clipboard/BlockArrayClipboard.java

@@ -65,7 +65,7 @@ public class BlockArrayClipboard implements Clipboard {
         this.origin = region.getMinimumPoint();
 
         Vector dimensions = getDimensions();
-        blocks = new BaseBlock[dimensions.getBlockX()][dimensions.getBlockY()][dimensions.getBlockZ()];
+        blocks = new BlockStateHolder[dimensions.getBlockX()][dimensions.getBlockY()][dimensions.getBlockZ()];
     }
 
     @Override
@@ -146,10 +146,10 @@ public class BlockArrayClipboard implements Clipboard {
             Vector v = position.subtract(region.getMinimumPoint());
             BlockStateHolder block = blocks[v.getBlockX()][v.getBlockY()][v.getBlockZ()];
             if (block != null) {
-                if (block instanceof BlockState) {
-                    return new BaseBlock((BlockState) block);
-                } else if (block instanceof BaseBlock) {
+                if (block instanceof BaseBlock) {
                     return (BaseBlock) block;
+                } else {
+                    return new BaseBlock(block.toImmutableState());
                 }
             }
         }

worldedit-core/src/main/java/com/sk89q/worldedit/function/operation/ForwardExtentCopy.java

@@ -19,6 +19,10 @@
 
 package com.sk89q.worldedit.function.operation;
 
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import com.google.common.collect.Lists;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.entity.Entity;
@@ -37,12 +41,8 @@ import com.sk89q.worldedit.math.transform.Identity;
 import com.sk89q.worldedit.math.transform.Transform;
 import com.sk89q.worldedit.regions.Region;
 
-import java.util.Iterator;
 import java.util.List;
 
-import static com.google.common.base.Preconditions.checkArgument;
-import static com.google.common.base.Preconditions.checkNotNull;
-
 /**
  * Makes a copy of a portion of one extent to another extent or another point.
  *
@@ -257,16 +257,11 @@ public class ForwardExtentCopy implements Operation {
             if (copyingEntities) {
                 ExtentEntityCopy entityCopy = new ExtentEntityCopy(from, destination, to, currentTransform);
                 entityCopy.setRemoving(removingEntities);
-                List<? extends Entity> entities = source.getEntities(region);
-                // Switch to entities.removeIf after Java 8 cutoff.
-                Iterator<? extends Entity> entityIterator = entities.iterator();
-                while (entityIterator.hasNext()) {
-                    EntityProperties type = entityIterator.next().getFacet(EntityProperties.class);
-
-                    if (type != null && !type.isPasteable()) {
-                        entityIterator.remove();
-                    }
-                }
+                List<? extends Entity> entities = Lists.newArrayList(source.getEntities(region));
+                entities.removeIf(entity -> {
+                    EntityProperties properties = entity.getFacet(EntityProperties.class);
+                    return properties != null && !properties.isPasteable();
+                });
                 EntityVisitor entityVisitor = new EntityVisitor(entities.iterator(), entityCopy);
                 return new DelegateOperation(this, new OperationQueue(blockVisitor, entityVisitor));
             } else {

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

@@ -50,7 +50,7 @@ public class ClipboardPattern extends AbstractPattern {
         int yp = Math.abs(position.getBlockY()) % size.getBlockY();
         int zp = Math.abs(position.getBlockZ()) % size.getBlockZ();
 
-        return clipboard.getBlock(clipboard.getMinimumPoint().add(new Vector(xp, yp, zp)));
+        return clipboard.getFullBlock(clipboard.getMinimumPoint().add(new Vector(xp, yp, zp)));
     }
 
 }

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

@@ -89,7 +89,7 @@ public class RepeatingExtentPattern extends AbstractPattern {
         int x = base.getBlockX() % size.getBlockX();
         int y = base.getBlockY() % size.getBlockY();
         int z = base.getBlockZ() % size.getBlockZ();
-        return extent.getBlock(new Vector(x, y, z));
+        return extent.getFullBlock(new Vector(x, y, z));
     }
 
 }

worldedit-forge/src/main/java/com/sk89q/worldedit/forge/ForgeWorld.java

@@ -305,7 +305,7 @@ public class ForgeWorld extends AbstractWorld {
         ForgeWorld from = new ForgeWorld(freshWorld);
         try {
             for (BlockVector vec : region) {
-                editSession.setBlock(vec, from.getBlock(vec));
+                editSession.setBlock(vec, from.getFullBlock(vec));
             }
         } catch (MaxChangedBlocksException e) {
             throw new RuntimeException(e);