From 3c19350b9beac767b61ee387f4c869b2fbdb49ee Mon Sep 17 00:00:00 2001
From: yueh <yueh@orod.de>
Date: Mon, 2 Nov 2015 12:13:09 +0100
Subject: [PATCH] Fixes #1983: WorldData cleared too early when still needed.

---
 src/main/java/appeng/core/AppEng.java               |  8 ++++++++
 src/main/java/appeng/core/worlddata/IWorldData.java |  4 +++-
 src/main/java/appeng/core/worlddata/WorldData.java  | 11 +++++++----
 3 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/src/main/java/appeng/core/AppEng.java b/src/main/java/appeng/core/AppEng.java
index 2a31a645..a782f9a2 100644
--- a/src/main/java/appeng/core/AppEng.java
+++ b/src/main/java/appeng/core/AppEng.java
@@ -21,6 +21,7 @@ package appeng.core;
 
 import java.io.File;
 import java.util.concurrent.TimeUnit;
+
 import javax.annotation.Nonnull;
 
 import com.google.common.base.Stopwatch;
@@ -37,6 +38,7 @@ import cpw.mods.fml.common.event.FMLPostInitializationEvent;
 import cpw.mods.fml.common.event.FMLPreInitializationEvent;
 import cpw.mods.fml.common.event.FMLServerAboutToStartEvent;
 import cpw.mods.fml.common.event.FMLServerStartingEvent;
+import cpw.mods.fml.common.event.FMLServerStoppedEvent;
 import cpw.mods.fml.common.event.FMLServerStoppingEvent;
 import cpw.mods.fml.common.network.NetworkRegistry;
 
@@ -233,6 +235,12 @@ public final class AppEng
 	private void serverStopping( final FMLServerStoppingEvent event )
 	{
 		WorldData.instance().onServerStopping();
+	}
+
+	@EventHandler
+	private void serverStopped( final FMLServerStoppedEvent event )
+	{
+		WorldData.instance().onServerStoppped();
 		TickHandler.INSTANCE.shutdown();
 	}
 
diff --git a/src/main/java/appeng/core/worlddata/IWorldData.java b/src/main/java/appeng/core/worlddata/IWorldData.java
index 361b9a0f..bd24d3e3 100644
--- a/src/main/java/appeng/core/worlddata/IWorldData.java
+++ b/src/main/java/appeng/core/worlddata/IWorldData.java
@@ -24,13 +24,15 @@ import javax.annotation.Nonnull;
 
 /**
  * @author thatsIch
- * @version rv3 - 30.05.2015
+ * @version rv3 - 02.11.2015
  * @since rv3 30.05.2015
  */
 public interface IWorldData
 {
 	void onServerStopping();
 
+	void onServerStoppped();
+
 	@Nonnull
 	IWorldGridStorageData storageData();
 
diff --git a/src/main/java/appeng/core/worlddata/WorldData.java b/src/main/java/appeng/core/worlddata/WorldData.java
index 86025bf4..ea415d82 100644
--- a/src/main/java/appeng/core/worlddata/WorldData.java
+++ b/src/main/java/appeng/core/worlddata/WorldData.java
@@ -45,7 +45,7 @@ import appeng.services.compass.CompassThreadFactory;
  * different worlds.
  *
  * @author thatsIch
- * @version rv3 - 30.05.2015
+ * @version rv3 - 02.11.2015
  * @since rv3 30.05.2015
  */
 public final class WorldData implements IWorldData
@@ -162,15 +162,18 @@ public final class WorldData implements IWorldData
 	@Override
 	public void onServerStopping()
 	{
-		Preconditions.checkNotNull( instance );
-
 		for( final IOnWorldStoppable stoppable : this.stoppables )
 		{
 			stoppable.onWorldStop();
 		}
+	}
+
+	@Override
+	public void onServerStoppped()
+	{
+		Preconditions.checkNotNull( instance );
 
 		this.stoppables.clear();
-
 		instance = null;
 	}