Chunk+Block pos <=> Global pos: no round trip?

/****************************
	T e s t C h u n k U t i l s  -  A Rising World Java plug-in to test ChunkUtil conversions.


	TextChunkUtile.java - The main plug-in class


	Created by : Maurizio M. Gavioli 2018-07-23


(C) Copyright 2018 Maurizio M. Gavioli (a.k.a. Miwarre)
This plug-in is licensed under the the terms of the GNU General Public License
as published by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.


This plug-in is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.


You should have received a copy of the GNU General Public License along with
this plug-in.  If not, see <https://www.gnu.org/licenses/>.
*****************************/


package com.vistamaresoft.testchunkutils;


import net.risingworld.api.Plugin;
import net.risingworld.api.events.EventMethod;
import net.risingworld.api.events.Listener;
import net.risingworld.api.events.player.PlayerCommandEvent;
import net.risingworld.api.objects.Player;
import net.risingworld.api.utils.Utils.ChunkUtils;
import net.risingworld.api.utils.Vector3f;
import net.risingworld.api.utils.Vector3i;


public class TestChunkUtils extends Plugin implements Listener
{
	@Override
	public void onEnable()
	{
		registerEventListener(this);
	}


	@Override
	public void onDisable()
	{
		unregisterEventListener(this);
	}


	@EventMethod
	public void onCommand(PlayerCommandEvent event)
	{
		Player		player	= event.getPlayer();
		String[]	cmd		= event.getCommand().split(" ");


		// check for a specific chat command
		if (cmd[0].equals("/cu") )
		{
			if (cmd.length != 3)
				player.sendTextMessage("usage: /cu chunkval blockval");
			else
			{
				// get chunk val and block val from the input string
				int chunkVal, blockVal;
				try { chunkVal= Integer.valueOf(cmd[1]); }
				catch (NumberFormatException e)
				{
					player.sendTextMessage("Chunk value is not an integer");
					return;
				}
				try { blockVal= Integer.valueOf(cmd[2]); }
				catch (NumberFormatException e)
				{
					player.sendTextMessage("Block value is not an integer");
					return;
				}
				Vector3f	globalPos	= ChunkUtils.getGlobalPosition(
											new Vector3i(chunkVal, 0, 0), new Vector3i(blockVal, 0, 0));
				player.sendTextMessage("Chunk "+chunkVal+", block "+blockVal+" => pos "+globalPos.x);
				Vector3i	chunkPos	= new Vector3i();
				Vector3i	blockPos	= new Vector3i();
				ChunkUtils.getChunkAndBlockPosition(globalPos, chunkPos, blockPos);
				player.sendTextMessage("Global pos. "+globalPos.x+" => chunk "+chunkPos.x+", block "+blockPos.x);
			}
		}
	}


}