From c6033a7e1caf54617c9b45f5827f25e84c6ee65a Mon Sep 17 00:00:00 2001
From: sk89q <the.sk89q@gmail.com>
Date: Tue, 16 Nov 2010 00:15:06 -0800
Subject: [PATCH] Chests are now empty when removed (so they longer drop their
 items). Profile debugging mode added that prints how long an operation took.

---
 src/EditSession.java       |  5 +++++
 src/ServerInterface.java   | 26 ++++++++++++++++++++++++++
 src/WorldEditListener.java | 13 +++++++++++++
 3 files changed, 44 insertions(+)

diff --git a/src/EditSession.java b/src/EditSession.java
index 7d39fd516..19b8afa8f 100644
--- a/src/EditSession.java
+++ b/src/EditSession.java
@@ -93,6 +93,11 @@ public class EditSession {
         if (y < 0 || y > 127) {
             return false;
         }
+
+        // Clear the chest so that it doesn't drop items
+        if (ServerInterface.getBlockType(pt) == 54) {
+            ServerInterface.clearChest(pt);
+        }
         
         boolean result = ServerInterface.setBlockType(pt, block.getID());
         if (block.getID() != 0) {
diff --git a/src/ServerInterface.java b/src/ServerInterface.java
index c42fb30d3..8dc987347 100644
--- a/src/ServerInterface.java
+++ b/src/ServerInterface.java
@@ -184,6 +184,32 @@ public class ServerInterface {
         return true;
     }
 
+    /**
+     * Clear a chest's contents.
+     * 
+     * @param pt
+     */
+    public static boolean clearChest(Vector pt) {
+        ComplexBlock cblock = etc.getServer().getComplexBlock(
+                pt.getBlockX(), pt.getBlockY(), pt.getBlockZ());
+
+        if (!(cblock instanceof Chest)) {
+            return false;
+        }
+
+        Chest chest = (Chest)cblock;
+        hj[] itemArray = chest.getArray();
+
+        // Find an existing slot to put it into
+        for (int i = 0; itemArray.length > i; i++) {
+            itemArray[i] = null;
+        }
+
+        chest.update();
+
+        return true;
+    }
+
     /**
      * Generate a tree at a location.
      * 
diff --git a/src/WorldEditListener.java b/src/WorldEditListener.java
index ce2224583..177e66a73 100644
--- a/src/WorldEditListener.java
+++ b/src/WorldEditListener.java
@@ -79,6 +79,10 @@ public class WorldEditListener extends PluginListener {
      */
     private GroupRestrictionsManager restrictions = new GroupRestrictionsManager();
 
+    /**
+     * True to time operations.
+     */
+    private boolean profile;
     /**
      * List of allowed blocks.
      */
@@ -1702,11 +1706,18 @@ public class WorldEditListener extends PluginListener {
                             new EditSession(session.getBlockChangeLimit());
                     editSession.enableQueue();
 
+                    long start = System.currentTimeMillis();
+
                     try {
                         return performCommand(player, session, editSession, split);
                     } finally {
                         session.remember(editSession);
                         editSession.flushQueue();
+
+                        if (profile) {
+                            long time = System.currentTimeMillis() - start;
+                            ply.sendMessage(Colors.Yellow + (time / 1000.0) + "s elapsed");
+                        }
                     }
                 }
             }
@@ -1774,6 +1785,8 @@ public class WorldEditListener extends PluginListener {
             properties.load();
         }
 
+        profile = properties.getBoolean("debug-profile", false);
+
         // Get allowed blocks
         allowedBlocks = new HashSet<Integer>();
         for (String b : properties.getString("allowed-blocks",