Added preliminary JavaScript scripting support. Currently it can be used to do routines such as forest creation but it cannot make hooks or do anything fancy.

manifest.mf

@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+Class-Path: js.jar
+

src/EditScriptContext.java

@@ -0,0 +1,53 @@
+// $Id$
+/*
+ * 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/>.
+*/
+
+/**
+ *
+ * @author sk89q
+ */
+public class EditScriptContext {
+    public EditScriptPlayer player;
+
+    /**
+     * Constructs the context. A player object has to be passed.
+     * 
+     * @param player
+     */
+    public EditScriptContext(EditScriptPlayer player) {
+        this.player = player;
+    }
+
+    /**
+     * Prints a message to the player.
+     * 
+     * @param msg
+     */
+    public void print(String msg) {
+        player.print(msg);
+    }
+
+    /**
+     * Prints an error message to the player.
+     *
+     * @param msg
+     */
+    public void error(String msg) {
+        player.error(msg);
+    }
+}

src/EditScriptMinecraftContext.java

@@ -0,0 +1,49 @@
+// $Id$
+/*
+ * 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/>.
+*/
+
+/**
+ *
+ * @author Albert
+ */
+public class EditScriptMinecraftContext {
+    /**
+     * Sets the block at position x, y, z with a block type.
+     *
+     * @param x
+     * @param y
+     * @param z
+     * @param blockType
+     * @return
+     */
+    public boolean setBlock(int x, int y, int z, int blockType) {
+        return etc.getMCServer().e.d(x, y, z, blockType);
+    }
+
+    /**
+     * Gets the block type at a position x, y, z.
+     *
+     * @param x
+     * @param y
+     * @param z
+     * @return
+     */
+    public int getBlock(int x, int y, int z) {
+        return etc.getMCServer().e.a(x, y, z);
+    }
+}

src/EditScriptPlayer.java

@@ -0,0 +1,72 @@
+// $Id$
+/*
+ * 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/>.
+*/
+
+/**
+ *
+ * @author Albert
+ */
+public class EditScriptPlayer {
+    private Player player;
+
+    public String name;
+    public double pitch;
+    public double yaw;
+    public double x;
+    public double y;
+    public double z;
+    public int blockX;
+    public int blockY;
+    public int blockZ;
+
+    /**
+     * Prints a message to the player.
+     *
+     * @param msg
+     */
+    public void print(String msg) {
+        player.sendMessage(msg);
+    }
+
+    /**
+     * Prints an error message to the player.
+     *
+     * @param msg
+     */
+    public void error(String msg) {
+        player.sendMessage(Colors.Rose + msg);
+    }
+
+    /**
+     * Constructs the player instance.
+     * 
+     * @param player
+     */
+    public EditScriptPlayer(Player player) {
+        this.player = player;
+        name = player.getName();
+        pitch = player.getPitch();
+        yaw = player.getRotation();
+        x = player.getX();
+        y = player.getY();
+        z = player.getZ();
+        blockX = (int)Math.floor(player.getX());
+        blockY = (int)Math.floor(player.getY());
+        blockZ = (int)Math.floor(player.getZ());
+    }
+}

src/WorldEdit.java

@@ -21,6 +21,8 @@ import java.util.HashMap;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import java.util.Map;
+import java.io.*;
+import org.mozilla.javascript.*;
 
 /**
  *
@@ -42,6 +44,7 @@ public class WorldEdit extends Plugin {
         commands.put("/editoverlay", "<ID> - Overlay the area one layer");
         commands.put("/removeabove", "<Size> - Remove blocks above head");
         commands.put("/editfill", "<ID> <Radius> <Depth> - Fill a hole");
+        commands.put("/editscript", "<Filename> [Args...] - Run an editscript");
     }
 
     /**
@@ -246,6 +249,72 @@ public class WorldEdit extends Plugin {
             player.sendMessage(Colors.LightPurple + affected + " block(s) have been removed.");
 
             return true;
+
+        // Run an editscript
+        } else if (split[0].equalsIgnoreCase("/editscript")) {
+            checkArgs(split, 1);
+            String filename = split[1].replace("\0", "") + ".js";
+            File dir = new File("editscripts");
+            File f = new File("editscripts", filename);
+
+            try {
+                String filePath = f.getCanonicalPath();
+                String dirPath = dir.getCanonicalPath();
+
+                if (!filePath.substring(0, dirPath.length()).equals(dirPath)) {
+                    player.sendMessage(Colors.Rose + "Editscript file does not exist.");
+                } else {
+                    // Read file
+                    StringBuffer buffer = new StringBuffer();
+                    FileInputStream stream = new FileInputStream(f);
+                    BufferedReader in = new BufferedReader(new InputStreamReader(stream, "UTF-8"));
+                    int c;
+                    while ((c = in.read()) > -1) {
+                        buffer.append((char)c);
+                    }
+                    in.close();
+                    String code = buffer.toString();
+
+                    // Evaluate
+                    Context cx = Context.enter();
+                    try {
+                        ScriptableObject scope = cx.initStandardObjects();
+
+                        // Add args
+                        String[] args = new String[split.length - 2];
+                        System.arraycopy(split, 2, args, 0, split.length - 2);
+                        ScriptableObject.putProperty(scope, "args",
+                            Context.javaToJS(args, scope));
+
+                        // Add context
+                        EditScriptPlayer scriptPlayer = new EditScriptPlayer(player);
+                        EditScriptContext context = new EditScriptContext(
+                            scriptPlayer);
+                        ScriptableObject.putProperty(scope, "context",
+                            Context.javaToJS(context, scope));
+                        ScriptableObject.putProperty(scope, "player",
+                            Context.javaToJS(scriptPlayer, scope));
+
+                        // Add Minecraft context
+                        EditScriptMinecraftContext minecraft = new EditScriptMinecraftContext();
+                        ScriptableObject.putProperty(scope, "minecraft",
+                            Context.javaToJS(minecraft, scope));
+
+                        cx.evaluateString(scope, code, filename, 1, null);
+                        player.sendMessage(Colors.LightPurple + filename + " executed successfully.");
+                    } catch (RhinoException re) {
+                        player.sendMessage(Colors.Rose + "JS error: " + re.getMessage());
+                        re.printStackTrace();
+                    } finally {
+                        Context.exit();
+                    }
+
+                    return true;
+                }
+            } catch (IOException e) {
+                player.sendMessage(Colors.Rose + "Editscript could not read or it does not exist.");
+            }
+            return true;
         }
 
         int lowerX = session.getLowerX();