Fixes

Fixes #51
Fixes #49

core/src/main/java/com/boydti/fawe/object/changeset/DiskStorageHistory.java

@@ -458,9 +458,7 @@ public class DiskStorageHistory implements ChangeSet, FaweChangeSet {
                             try {
                                 NamedTag nt = stream.readNamedTag();
                                 return nt != null ? ((CompoundTag) nt.getTag()) : null;
-                            } catch (IOException e) {
-                                e.printStackTrace();
-                            }
+                            } catch (IOException ignore) {}
                         }
                         return null;
                     }

core/src/main/java/com/boydti/fawe/object/clipboard/DiskOptimizedClipboard.java

@@ -1,4 +1,54 @@
 package com.boydti.fawe.object.clipboard;
 
-public class DiskOptimizedClipboard {
+import com.boydti.fawe.object.IntegerTrio;
+import com.sk89q.jnbt.CompoundTag;
+import com.sk89q.worldedit.blocks.BaseBlock;
+import com.sk89q.worldedit.entity.BaseEntity;
+import com.sk89q.worldedit.entity.Entity;
+import com.sk89q.worldedit.extent.Extent;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+
+/**
+ * // TODO
+ * A clipboard with disk backed storage. (lower memory + loads on crash)
+ *  - Uses an auto closable RandomAccessFile for getting / setting id / data
+ *  - I don't know how to reduce nbt / entities to O(1) complexity, so it is stored in memory.
+ */
+public class DiskOptimizedClipboard extends FaweClipboard {
+
+    private final HashMap<IntegerTrio, CompoundTag> nbtMap;
+    private final HashSet<ClipboardEntity> entities;
+
+    public DiskOptimizedClipboard(int width, int height, int length) {
+        super(width, height, length);
+        nbtMap = new HashMap<>();
+        entities = new HashSet<ClipboardEntity>();
+    }
+
+    @Override
+    public BaseBlock getBlock(int x, int y, int z) {
+        throw new UnsupportedOperationException("NOT IMPLEMENTED / WIP");
+    }
+
+    @Override
+    public boolean setBlock(int x, int y, int z, BaseBlock block) {
+        throw new UnsupportedOperationException("NOT IMPLEMENTED / WIP");
+    }
+
+    @Override
+    public Entity createEntity(Extent world, double x, double y, double z, float yaw, float pitch, BaseEntity entity) {
+        throw new UnsupportedOperationException("NOT IMPLEMENTED / WIP");
+    }
+
+    @Override
+    public List<? extends Entity> getEntities() {
+        throw new UnsupportedOperationException("NOT IMPLEMENTED / WIP");
+    }
+
+    @Override
+    public boolean remove(ClipboardEntity clipboardEntity) {
+        throw new UnsupportedOperationException("NOT IMPLEMENTED / WIP");
+    }
 }

core/src/main/java/com/boydti/fawe/object/clipboard/MemoryOptimizedClipboard.java

@@ -61,8 +61,15 @@ public class MemoryOptimizedClipboard extends FaweClipboard {
     public boolean setBlock(int x, int y, int z, BaseBlock block) {
         final int id = block.getId();
         switch (id) {
-            case 0:
+            case 0: {
+                int i = x + z * width + (y >> 4) * area;
+                byte[] idArray = ids[i];
+                if (idArray != null) {
+                    int y2 = y & 0xF;
+                    idArray[y2] = 0;
+                }
                 return true;
+            }
             case 54:
             case 130:
             case 142:

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

@@ -605,8 +605,10 @@ public class EditSession implements Extent {
             return FaweCache.CACHE_BLOCK[combinedId4Data];
         }
         try {
-            return this.world.getLazyBlock(new Vector(x, y, z));
+            BaseBlock block = this.world.getBlock(new Vector(x, y, z));
+            return block;
         } catch (Throwable e) {
+            e.printStackTrace();
             return FaweCache.CACHE_BLOCK[combinedId4Data];
         }
     }
@@ -1464,7 +1466,7 @@ public class EditSession implements Extent {
                 EditSession.this.flushQueue();
             }
         }, true);
-        return this.changes = visitor.getAffected();
+        return this.changes = copy.getAffected();
     }
 
     /**

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

@@ -78,8 +78,6 @@ public class BlockArrayClipboard implements Clipboard {
         this.mx = origin.getBlockX();
         this.my = origin.getBlockY();
         this.mz = origin.getBlockZ();
-
-
     }
 
     @Override