Unload chunks command

src/me/StevenLawson/TotalFreedomMod/Commands/Command_unloadchunks.java

@@ -0,0 +1,48 @@
+package me.StevenLawson.TotalFreedomMod.Commands;
+
+import me.StevenLawson.TotalFreedomMod.TFM_Log;
+import me.StevenLawson.TotalFreedomMod.TFM_Util;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.Chunk;
+import org.bukkit.World;
+import org.bukkit.entity.Player;
+
+@CommandPermissions(level = AdminLevel.SUPER, source = SourceType.BOTH)
+@CommandParameters(description = "Unloads chunks not currently in use.", usage = "/<command>", aliases="rc")
+public class Command_unloadchunks extends TFM_Command
+{
+    @Override
+    public boolean run(CommandSender sender, Player sender_p, Command cmd, String commandLabel, String[] args, boolean senderIsConsole)
+    {
+        int numChunks = 0;
+        for (World world : server.getWorlds())
+        {
+            numChunks += unloadUnusedChunks(world);
+        }
+        TFM_Util.adminAction(sender.getName(), "Unloading unused chunks", true);
+
+        if (!senderIsConsole)
+        {
+            sender_p.sendMessage(numChunks + " chunks unloaded.");
+        }
+        TFM_Log.info(numChunks + " chunks unloaded.");
+        return true;
+    }
+
+    private int unloadUnusedChunks(World world)
+    {
+        int numChunks = 0;
+        for (Chunk loadedChunk : world.getLoadedChunks())
+        {
+            if (!world.isChunkInUse(loadedChunk.getX(), loadedChunk.getZ()))
+            {
+                if (world.unloadChunk(loadedChunk))
+                {
+                    numChunks++;
+                }
+            }
+        }
+        return numChunks;
+    }
+}