source: binary-improvements/7dtd-server-fixes/src/TelnetCommands/RemoveLandProtection.cs@ 128

using System;
using System.Collections.Generic;

public class RemoveLandProtection : ConsoleCommand
{
        public RemoveLandProtection (ConsoleSdtd cons) : base(cons)
        {
        }

        public override string Description ()
        {
                return "removes the association of a land protection block to the owner";
        }

        public override string[] Names ()
        {
                return new string[] { "removelandprotection", "rlp" };
        }

        private void removeById (string _id)
        {
                try {
                        PersistentPlayerList ppl = CommonMappingFunctions.GetGameManager ().GetPersistentPlayerList ();

                        if (_id.Length < 1 || !ppl.Players.ContainsKey(_id)) {
                                m_Console.SendResult ("Not a valid Steam ID or user has never logged on. Use \"listlandprotection\" to get a list of keystones.");
                                return;
                        }
                        if (ppl.Players[_id].LPBlocks == null || ppl.Players[_id].LPBlocks.Count == 0) {
                                m_Console.SendResult ("Player does not own any keystones. Use \"listlandprotection\" to get a list of keystones.");
                                return;
                        }

                        List<BlockChangeInfo> changes = new List<BlockChangeInfo> ();
                        foreach (Vector3i pos in ppl.Players[_id].LPBlocks) {
                                BlockChangeInfo bci = new BlockChangeInfo (pos, 0, true);
                                changes.Add (bci);
                        }
                        CommonMappingFunctions.GetGameManager ().SetBlocksRPC (changes);

                        m_Console.SendResult ("#"+changes.Count + " Land protection blocks for player \"" + _id + "\" removed");
                } catch (Exception e) {
                        Log.Out ("Error in RemoveLandProtection.removeById: " + e);
                }
        }

        private void removeByPosition (string[] _coords)
        {
                try {
                        int x = int.MinValue;
                        int.TryParse (_coords [0], out x);
                        int y = int.MinValue;
                        int.TryParse (_coords [1], out y);
                        int z = int.MinValue;
                        int.TryParse (_coords [2], out z);

                        if (x == int.MinValue || y == int.MinValue || z == int.MinValue) {
                                m_Console.SendResult ("At least one of the given coordinates is not a valid integer");
                                return;
                        }

                        Vector3i v = new Vector3i (x, y, z);

                        PersistentPlayerList ppl = CommonMappingFunctions.GetGameManager ().GetPersistentPlayerList ();

                        Dictionary<Vector3i, PersistentPlayerData> d = ppl.positionToLPBlockOwner;
                        if (d == null || !d.ContainsKey (v)) {
                                m_Console.SendResult ("No land protection block at the given position or not a valid position. Use \"listlandprotection\" to get a list of keystones.");
                                return;
                        }

                        BlockChangeInfo bci = new BlockChangeInfo (v, 0, true);

                        List<BlockChangeInfo> changes = new List<BlockChangeInfo> ();
                        changes.Add (bci);

                        CommonMappingFunctions.GetGameManager ().SetBlocksRPC (changes);

                        m_Console.SendResult ("Land protection block at (" + v.ToString () + ") removed");
                } catch (Exception e) {
                        Log.Out ("Error in RemoveLandProtection.removeByPosition: " + e);
                }
        }

        public override void Run (string[] _params)
        {
                try {
                        if (_params.Length == 1) {
                                removeById (_params [0]);
                        } else if (_params.Length == 3) {
                                removeByPosition (_params);
                        } else {
                                m_Console.SendResult ("Usage: removelandprotection <x> <y> <z>  OR  removelandprotection <steamid>");
                        }
                } catch (Exception e) {
                        Log.Out ("Error in RemoveLandProtection.Run: " + e);
                }
        }
}