From a783d0dfc8f4bfeb1a7f7116d17b2cb84187d72b Mon Sep 17 00:00:00 2001
From: Cory Redmond <ace@ac3-servers.eu>
Date: Sun, 4 Oct 2015 21:39:22 +0100
Subject: [PATCH] Monitor falling blocks.

---
 .../nossr50/listeners/BlockListener.java      | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/src/main/java/com/gmail/nossr50/listeners/BlockListener.java b/src/main/java/com/gmail/nossr50/listeners/BlockListener.java
index 817f7abb0..e1c285ce6 100644
--- a/src/main/java/com/gmail/nossr50/listeners/BlockListener.java
+++ b/src/main/java/com/gmail/nossr50/listeners/BlockListener.java
@@ -11,6 +11,7 @@ import org.bukkit.block.BlockFace;
 import org.bukkit.block.BlockState;
 import org.bukkit.block.BrewingStand;
 import org.bukkit.enchantments.Enchantment;
+import org.bukkit.entity.EntityType;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
@@ -20,6 +21,7 @@ import org.bukkit.event.block.BlockDamageEvent;
 import org.bukkit.event.block.BlockPistonExtendEvent;
 import org.bukkit.event.block.BlockPistonRetractEvent;
 import org.bukkit.event.block.BlockPlaceEvent;
+import org.bukkit.event.entity.EntityChangeBlockEvent;
 import org.bukkit.inventory.ItemStack;
 
 import com.gmail.nossr50.mcMMO;
@@ -49,6 +51,8 @@ import com.gmail.nossr50.util.Misc;
 import com.gmail.nossr50.util.Permissions;
 import com.gmail.nossr50.util.player.UserManager;
 import com.gmail.nossr50.util.skills.SkillUtils;
+import org.bukkit.metadata.FixedMetadataValue;
+import org.bukkit.metadata.MetadataValue;
 
 public class BlockListener implements Listener {
     private final mcMMO plugin;
@@ -124,6 +128,34 @@ public class BlockListener implements Listener {
         //new StickyPistonTrackerTask(direction, event.getBlock(), movedBlock).runTaskLater(plugin, 2);
     }
 
+    /**
+     * Monitor falling blocks.
+     *
+     * @param event The event to watch
+     */
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onFallingBlock(EntityChangeBlockEvent event) {
+
+        if (BlockUtils.shouldBeWatched(event.getBlock().getState()) && event.getEntityType().equals(EntityType.FALLING_BLOCK)) {
+            if (event.getTo().equals(Material.AIR) && mcMMO.getPlaceStore().isTrue(event.getBlock())) {
+                event.getEntity().setMetadata("mcMMOBlockFall", new FixedMetadataValue( plugin, event.getBlock().getLocation()));
+            } else {
+                List<MetadataValue> values = event.getEntity().getMetadata( "mcMMOBlockFall" );
+
+                if (!values.isEmpty()) {
+
+                    if (values.get(0).value() == null) return;
+                    Block spawn = ((org.bukkit.Location) values.get(0).value()).getBlock();
+
+
+                    mcMMO.getPlaceStore().setTrue( event.getBlock() );
+                    mcMMO.getPlaceStore().setFalse( spawn );
+
+                }
+            }
+        }
+    }
+
     /**
      * Monitor BlockPlace events.
      *