From 2341b2b9720f65100f8dff3e2a55a69132c46b61 Mon Sep 17 00:00:00 2001
From: boy0001 <jessepaleg@gmail.com>
Date: Thu, 26 Feb 2015 22:00:46 +1100
Subject: [PATCH] Reduce memory usage of RegenAllRoads

---
 .../com/intellectualcrafters/plot/generator/HybridUtils.java | 1 +
 .../com/intellectualcrafters/plot/util/ChunkManager.java     | 2 ++
 .../plot/util/bukkit/BukkitChunkManager.java                 | 5 +++++
 3 files changed, 8 insertions(+)

diff --git a/PlotSquared/src/main/java/com/intellectualcrafters/plot/generator/HybridUtils.java b/PlotSquared/src/main/java/com/intellectualcrafters/plot/generator/HybridUtils.java
index af85a6e89..9f96252e1 100644
--- a/PlotSquared/src/main/java/com/intellectualcrafters/plot/generator/HybridUtils.java
+++ b/PlotSquared/src/main/java/com/intellectualcrafters/plot/generator/HybridUtils.java
@@ -163,6 +163,7 @@ public abstract class HybridUtils {
                         }
                     }
                 }
+                ChunkManager.manager.unloadChunk(world, chunk);
                 return true;
             }
         }
diff --git a/PlotSquared/src/main/java/com/intellectualcrafters/plot/util/ChunkManager.java b/PlotSquared/src/main/java/com/intellectualcrafters/plot/util/ChunkManager.java
index abe0ca771..6e94e3656 100644
--- a/PlotSquared/src/main/java/com/intellectualcrafters/plot/util/ChunkManager.java
+++ b/PlotSquared/src/main/java/com/intellectualcrafters/plot/util/ChunkManager.java
@@ -23,6 +23,8 @@ public abstract class ChunkManager {
     }
 
     public abstract boolean loadChunk(String world, ChunkLoc loc);
+    
+    public abstract boolean unloadChunk(String world, ChunkLoc loc);
 
     public abstract List<ChunkLoc> getChunkChunks(String world);
 
diff --git a/PlotSquared/src/main/java/com/intellectualcrafters/plot/util/bukkit/BukkitChunkManager.java b/PlotSquared/src/main/java/com/intellectualcrafters/plot/util/bukkit/BukkitChunkManager.java
index 7c5297c57..93dbafc29 100644
--- a/PlotSquared/src/main/java/com/intellectualcrafters/plot/util/bukkit/BukkitChunkManager.java
+++ b/PlotSquared/src/main/java/com/intellectualcrafters/plot/util/bukkit/BukkitChunkManager.java
@@ -778,6 +778,11 @@ public class BukkitChunkManager extends ChunkManager {
         return BukkitUtil.getWorld(world).getChunkAt(loc.x, loc.z).load(false);
     }
     
+    @Override
+    public boolean unloadChunk(final String world, final ChunkLoc loc) {
+        return BukkitUtil.getWorld(world).getChunkAt(loc.x, loc.z).unload(true, true);
+    }
+    
     public static void swapChunk(World world, Chunk pos1, Chunk pos2, RegionWrapper r1, RegionWrapper r2) {
         initMaps();
         int relX = (r2.minX - r1.minX);