From 23d916f191b2e8bc1394c67c3ddaf1bacc9bf833 Mon Sep 17 00:00:00 2001
From: GJ <gjmcferrin@gmail.com>
Date: Sat, 26 May 2012 10:50:12 -0400
Subject: [PATCH] Fixed dupe exploit with pistons (again).

---
 Changelog.txt                                              | 1 +
 .../java/com/gmail/nossr50/listeners/BlockListener.java    | 7 ++++---
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/Changelog.txt b/Changelog.txt
index eb24d9d8f..a6b31646d 100644
--- a/Changelog.txt
+++ b/Changelog.txt
@@ -10,6 +10,7 @@ Key:
 Version 1.3.09
  = Fixed issue with NoCheatPlus and Serrated Strikes / Skull Splitter (fight.noswing)
  = Fixed bug where you could receive Archery XP from Potions
+ = Fixed bug with duping blocks via piston pushing
  ! Changed Spout settings to be in their own config file (spout.yml)
 
 Version 1.3.08
diff --git a/src/main/java/com/gmail/nossr50/listeners/BlockListener.java b/src/main/java/com/gmail/nossr50/listeners/BlockListener.java
index 272938b80..9645cb1f1 100644
--- a/src/main/java/com/gmail/nossr50/listeners/BlockListener.java
+++ b/src/main/java/com/gmail/nossr50/listeners/BlockListener.java
@@ -36,6 +36,7 @@ import org.bukkit.event.block.BlockPistonExtendEvent;
 import org.bukkit.event.block.BlockPistonRetractEvent;
 import org.bukkit.event.block.BlockPlaceEvent;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.metadata.FixedMetadataValue;
 
 import org.getspout.spoutapi.sound.SoundEffect;
 
@@ -58,15 +59,15 @@ public class BlockListener implements Listener {
 
         for (Block b : blocks) {
             if (mcMMO.placeStore.isTrue(b)) {
-                mcMMO.placeStore.setTrue(b.getRelative(direction));
+                b.getRelative(direction).setMetadata("pistonTrack", new FixedMetadataValue(plugin, true));
                 mcMMO.placeStore.setFalse(b);
             }
         }
 
         for (Block b : blocks) {
-            if (mcMMO.placeStore.isTrue(b.getRelative(direction))) {
+            if (b.getRelative(direction).hasMetadata("pistonTrack")) {
                 mcMMO.placeStore.setTrue(b.getRelative(direction));
-                mcMMO.placeStore.setFalse(b);
+                b.getRelative(direction).removeMetadata("pistonTrack", plugin);
             }
         }
     }