Added clearlag support.

pom.xml

@@ -98,5 +98,10 @@
             <artifactId>stackmob</artifactId>
             <version>4</version>
         </dependency>
+        <dependency>
+            <groupId>me.minebuilders</groupId>
+            <artifactId>Clearlag</artifactId>
+            <version>3.0.6</version>
+        </dependency>
     </dependencies>
 </project>

src/main/java/com/songoda/ultimatestacker/UltimateStacker.java

@@ -28,7 +28,6 @@ import org.apache.commons.lang.ArrayUtils;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.Material;
-import org.bukkit.World;
 import org.bukkit.command.ConsoleCommandSender;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.Player;
@@ -37,7 +36,6 @@ import org.bukkit.plugin.java.JavaPlugin;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.UUID;
 
 public class UltimateStacker extends JavaPlugin {
 
@@ -171,6 +169,9 @@ public class UltimateStacker extends JavaPlugin {
         pluginManager.registerEvents(new TameListeners(this), this);
         pluginManager.registerEvents(new SheepDyeListeners(this), this);
 
+        if (Setting.CLEAR_LAG.getBoolean() && pluginManager.isPluginEnabled("ClearLag"))
+            pluginManager.registerEvents(new ClearLagListeners(this), this);
+
         // Register Hologram Plugin
         if (Setting.SPAWNER_HOLOGRAMS.getBoolean()) {
             if (pluginManager.isPluginEnabled("HolographicDisplays"))
@@ -226,8 +227,10 @@ public class UltimateStacker extends JavaPlugin {
         return !this.getServer().getPluginManager().isPluginEnabled("EpicSpawners") && Setting.SPAWNERS_ENABLED.getBoolean();
     }
 
-    public Hologram getHologram() { return hologram; }
-    
+    public Hologram getHologram() {
+        return hologram;
+    }
+
     public ServerVersion getServerVersion() {
         return serverVersion;
     }

src/main/java/com/songoda/ultimatestacker/listeners/ClearLagListeners.java

@@ -0,0 +1,26 @@
+package com.songoda.ultimatestacker.listeners;
+
+import com.songoda.ultimatestacker.UltimateStacker;
+import me.minebuilders.clearlag.events.EntityRemoveEvent;
+import org.bukkit.entity.Entity;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+
+public class ClearLagListeners implements Listener {
+
+    private final UltimateStacker instance;
+
+    public ClearLagListeners(UltimateStacker instance) {
+        this.instance = instance;
+    }
+
+    @EventHandler
+    public void onClearLaggTask(EntityRemoveEvent event) {
+        for (Entity entity : event.getWorld().getEntities()) {
+            if (instance.getEntityStackManager().isStacked(entity)) {
+                instance.getEntityStackManager().removeStack(entity);
+                event.addEntity(entity);
+            }
+        }
+    }
+}

src/main/java/com/songoda/ultimatestacker/utils/settings/Setting.java

@@ -17,7 +17,6 @@ public enum Setting {
     DISABLED_WORLDS("Main.Disabled Worlds", Arrays.asList("World1", "World2", "World3"),
             "Worlds that stacking doesn't happen in."),
 
-
     STACK_ENTITIES("Entities.Enabled", true,
             "Should entities be stacked?"),
 
@@ -44,6 +43,11 @@ public enum Setting {
             "Should killing a stack of entities kill the whole stack or",
             "just one out of the stack?"),
 
+    CLEAR_LAG("Entities.Clear Lag", false,
+            "When enabled, the plugin will hook into ClearLag and extend the",
+            "clear task to include stacked entities from this plugin. If this is enabled",
+            "the built in task will not run."),
+
     INSTANT_KILL("Entities.Instant Kill", Arrays.asList("FALL", "DROWNING", "LAVA", "VOID"),
             "Events that will trigger an entire stack to be killed.",
             "It should be noted that this is useless if the above setting is true.",