source: binary-improvements/7dtd-server-fixes/src/CustomCommands/RemoveLandProtection.cs@ 166

using System;
using System.Collections.Generic;

namespace AllocsFixes.CustomCommands
{
        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);
                        }
                }
        }
}