source: binary-improvements/AllocsCommands/Commands/RemoveLandProtection.cs@ 501

using System;
using System.Collections.Generic;
using AllocsFixes.PersistentData;
using JetBrains.Annotations;

namespace AllocsFixes.CustomCommands {
        [UsedImplicitly]
        public class RemoveLandProtection : ConsoleCmdAbstract {
                public override string getDescription () {
                        return "removes the association of a land protection block to the owner";
                }

                public override string getHelp () {
                        return "Usage:" +
                               "  1. removelandprotection <userid>\n" +
                               "  2. removelandprotection <x> <y> <z>\n" +
                               "  3. removelandprotection nearby [length]\n" +
                               "1. Remove all land claims owned by the user with the given UserID\n" +
                               "2. Remove only the claim block on the exactly given block position\n" +
                               "3. Remove all claims in a square with edge length of 64 (or the optionally specified size) around the executing player";
                }

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

                private void removeById (string _id) {
                        try {
                                if (!PlatformUserIdentifierAbs.TryFromCombinedString (_id, out PlatformUserIdentifierAbs userId)) {
                                        SdtdConsole.Instance.Output (
                                                "Not a valid Steam ID or user has never logged on. Use \"listlandprotection\" to get a list of keystones.");
                                        return;
                                }
                                
                                PersistentPlayerList ppl = GameManager.Instance.GetPersistentPlayerList ();

                                if (ppl.Players [userId].LPBlocks == null || ppl.Players [userId].LPBlocks.Count == 0) {
                                        SdtdConsole.Instance.Output (
                                                "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 [userId].LPBlocks) {
                                        BlockChangeInfo bci = new BlockChangeInfo (pos, new BlockValue (0), true, false);
                                        changes.Add (bci);
                                }

                                GameManager.Instance.SetBlocksRPC (changes);

                                SdtdConsole.Instance.Output (
                                        $"Tried to remove #{changes.Count} land protection blocks for player \"{_id}\". Note that only blocks in chunks that are currently loaded (close to any player) could be removed. Please check for remaining blocks by running:");
                                SdtdConsole.Instance.Output ($"  listlandprotection {_id}");
                        } catch (Exception e) {
                                Log.Out ($"Error in RemoveLandProtection.removeById: {e}");
                        }
                }

                private void removeByPosition (IReadOnlyList<string> _coords) {
                        int.TryParse (_coords [0], out int x);
                        int.TryParse (_coords [1], out int y);
                        int.TryParse (_coords [2], out int z);

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

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

                        PersistentPlayerList ppl = GameManager.Instance.GetPersistentPlayerList ();

                        Dictionary<Vector3i, PersistentPlayerData> d = ppl.m_lpBlockMap;
                        if (d == null || !d.ContainsKey (v)) {
                                SdtdConsole.Instance.Output (
                                        "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, new BlockValue (0), true, false);

                        List<BlockChangeInfo> changes = new List<BlockChangeInfo> {bci};

                        GameManager.Instance.SetBlocksRPC (changes);

                        SdtdConsole.Instance.Output ($"Land protection block at ({v}) removed");
                }

                public override void Execute (List<string> _params, CommandSenderInfo _senderInfo) {
                        if (_params.Count > 0 && _params [0].EqualsCaseInsensitive ("nearby")) {
                                if (_senderInfo.RemoteClientInfo != null) {
                                        _params.Add (_senderInfo.RemoteClientInfo.entityId.ToString ());
                                } else if (_senderInfo.IsLocalGame && !GameManager.IsDedicatedServer) {
                                        _params.Add (GameManager.Instance.World.GetPrimaryPlayerId ().ToString ());
                                }

                                try {
                                        int closeToDistance = 32;
                                        if (_params.Count == 3) {
                                                if (!int.TryParse (_params [1], out closeToDistance)) {
                                                        SdtdConsole.Instance.Output ("Given length is not an integer!");
                                                        return;
                                                }

                                                closeToDistance /= 2;
                                        }

                                        int entityId = int.Parse (_params [_params.Count - 1]);
                                        EntityPlayer ep = GameManager.Instance.World.Players.dict [entityId];
                                        Vector3i closeTo = new Vector3i (ep.GetPosition ());
                                        LandClaimList.PositionFilter[] posFilters =
                                                {LandClaimList.CloseToFilter2dRect (closeTo, closeToDistance)};
                                        Dictionary<Player, List<Vector3i>> claims = LandClaimList.GetLandClaims (null, posFilters);

                                        try {
                                                List<BlockChangeInfo> changes = new List<BlockChangeInfo> ();
                                                foreach (KeyValuePair<Player, List<Vector3i>> kvp in claims) {
                                                        foreach (Vector3i v in kvp.Value) {
                                                                BlockChangeInfo bci = new BlockChangeInfo (v, new BlockValue (0), true, false);
                                                                changes.Add (bci);
                                                        }
                                                }

                                                GameManager.Instance.SetBlocksRPC (changes);
                                        } catch (Exception e) {
                                                SdtdConsole.Instance.Output ("Error removing claims");
                                                Log.Out ($"Error in RemoveLandProtection.Run: {e}");
                                        }
                                } catch (Exception e) {
                                        SdtdConsole.Instance.Output ("Error getting current player's position");
                                        Log.Out ($"Error in RemoveLandProtection.Run: {e}");
                                }
                        } else if (_params.Count == 1) {
                                removeById (_params [0]);
                        } else if (_params.Count == 3) {
                                removeByPosition (_params);
                        } else {
                                SdtdConsole.Instance.Output ("Illegal parameters");
                        }
                }
        }
}