Added support for restoring from backups (snapshots). Added /listsnapshots, //use, and //restore.

src/EditSession.java

@@ -1279,63 +1279,4 @@ public class EditSession {
 
         return affected;
     }
-
-    /**
-     * Restores a region from a backup.
-     * 
-     * @param region
-     * @param chunkStore
-     */
-    public void restoreBackup(Region region, ChunkStore chunkStore)
-            throws MaxChangedBlocksException {
-        // TODO: Make this support non-cuboid regions
-        
-        Vector min = region.getMinimumPoint();
-        Vector max = region.getMaximumPoint();
-
-        Map<BlockVector2D,ArrayList<Vector>> neededChunks =
-                new LinkedHashMap<BlockVector2D,ArrayList<Vector>>();
-
-        // First, we need to group points by chunk so that we only need
-        // to keep one chunk in memory at any given moment
-        for (int x = min.getBlockX(); x <= max.getBlockX(); x++) {
-            for (int y = min.getBlockY(); y <= max.getBlockY(); y++) {
-                for (int z = min.getBlockZ(); z <= max.getBlockZ(); z++) {
-                    Vector pos = new Vector(x, y, z);
-                    BlockVector2D chunkPos = ChunkStore.toChunk(pos);
-
-                    // Unidentified chunk
-                    if (!neededChunks.containsKey(chunkPos)) {
-                        neededChunks.put(chunkPos, new ArrayList<Vector>());
-                    }
-
-                    neededChunks.get(chunkPos).add(pos);
-                }
-            }
-        }
-
-        // Now let's start restoring!
-        for (Map.Entry<BlockVector2D,ArrayList<Vector>> entry :
-                neededChunks.entrySet()) {
-            BlockVector2D chunkPos = entry.getKey();
-            Chunk chunk;
-
-            try {
-                chunk = chunkStore.getChunk(chunkPos);
-                // Good, the chunk could be at least loaded
-
-                // Now just copy blocks!
-                for (Vector pos : entry.getValue()) {
-                    BaseBlock block = chunk.getBlock(pos);
-                    setBlock(pos, block);
-                }
-            } catch (DataException de) {
-                // TODO: Error handling
-                de.printStackTrace();
-            } catch (IOException ioe) {
-                // TODO: Error handling
-                ioe.printStackTrace();
-            }
-        }
-    }
 }