Added McRegion reader classes (incomplete), moved some com.sk89q.worldedit.data classes around and moved org.jnbt com.sk89q.jnbt to coincide with some modifications to make the JNBT library a bit more generic by accepting uncompressed input streams.

src/com/sk89q/worldedit/data/FileLegacyChunkStore.java

@@ -0,0 +1,65 @@
+// $Id$
+/*
+ * WorldEdit
+ * Copyright (C) 2010 sk89q <http://www.sk89q.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package com.sk89q.worldedit.data;
+
+import java.io.*;
+
+/**
+ * Represents the chunk store used by Minecraft alpha.
+ *
+ * @author sk89q
+ */
+public class FileLegacyChunkStore extends LegacyChunkStore {
+    /**
+     * Folder to read from.
+     */
+    private File path;
+
+    /**
+     * Create an instance. The passed path is the folder to read the
+     * chunk files from.
+     * 
+     * @param path
+     */
+    public FileLegacyChunkStore(File path) {
+        this.path = path;
+    }
+
+    /**
+     * Get the input stream for a chunk file.
+     *
+     * @param f1
+     * @param f2
+     * @param name
+     * @return
+     * @throws DataException
+     * @throws IOException
+     */
+    @Override
+    protected InputStream getInputStream(String f1, String f2, String name)
+            throws DataException, IOException {
+        String file = f1 + File.separator + f2 + File.separator + name;
+        try {
+            return new FileInputStream(new File(path, file));
+        } catch (FileNotFoundException e) {
+            throw new MissingChunkException();
+        }
+    }
+}