source: binary-improvements/AllocsCommands/Commands/ShowInventory.cs

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

namespace AllocsFixes.CustomCommands {
        [UsedImplicitly]
        public class ShowInventory : ConsoleCmdAbstract {
                public override string getDescription () {
                        return "list inventory of a given player";
                }

                public override string getHelp () {
                        return "Usage:\n" +
                               "   showinventory <user id / player name / entity id> [tag]\n" +
                               "Show the inventory of the player given by his UserID, player name or\n" +
                               "entity id (as given by e.g. \"lpi\").\n" +
                               "Optionally specify a tag that is included in each line of the output. In\n" +
                               "this case output is designed to be easily parseable by tools.\n" +
                               "Note: This only shows the player's inventory after it was first sent to\n" +
                               "the server which happens at least every 30 seconds.";
                }

                public override string[] getCommands () {
                        return new[] {"showinventory", "si"};
                }

                public override void Execute (List<string> _params, CommandSenderInfo _senderInfo) {
                        if (_params.Count < 1) {
                                SdtdConsole.Instance.Output ("Usage: showinventory <steamid|playername|entityid> [tag]");
                                return;
                        }

                        Player p = PersistentContainer.Instance.Players.GetByString (_params [0], true);
                        if (p == null) {
                                SdtdConsole.Instance.Output (
                                        "Playername or entity/steamid id not found or no inventory saved (first saved after a player has been online for 30s).");
                                return;
                        }

                        string tag = null;
                        if (_params.Count > 1 && _params [1].Length > 0) {
                                tag = _params [1];
                        }

                        PersistentData.Inventory inv = p.Inventory;

                        if (tag == null) {
                                SdtdConsole.Instance.Output ($"Belt of player {p.Name}:");
                        }

                        PrintInv (inv.belt, p.EntityID, "belt", tag);
                        if (tag == null) {
                                SdtdConsole.Instance.Output (string.Empty);
                        }

                        if (tag == null) {
                                SdtdConsole.Instance.Output ($"Bagpack of player {p.Name}:");
                        }

                        PrintInv (inv.bag, p.EntityID, "backpack", tag);
                        if (tag == null) {
                                SdtdConsole.Instance.Output (string.Empty);
                        }

                        if (tag == null) {
                                SdtdConsole.Instance.Output ($"Equipment of player {p.Name}:");
                        }

                        PrintEquipment (inv.equipment, p.EntityID, "equipment", tag);

                        if (tag != null) {
                                SdtdConsole.Instance.Output ($"tracker_item id={p.EntityID}, tag={tag}, SHOWINVENTORY DONE");
                        }
                }

                private static void PrintInv (IReadOnlyList<InvItem> _inv, int _entityId, string _location, string _tag) {
                        for (int i = 0; i < _inv.Count; i++) {
                                if (_inv[i] == null) {
                                        continue;
                                }

                                if (_tag == null) {
                                        // no Tag defined -> readable output
                                        if (_inv [i].quality < 0) {
                                                SdtdConsole.Instance.Output (string.Format ("    Slot {0}: {1:000} * {2}", i,
                                                        _inv [i].count, _inv [i].itemName));
                                        } else {
                                                SdtdConsole.Instance.Output (string.Format ("    Slot {0}: {1:000} * {2} - quality: {3}", i,
                                                        _inv [i].count, _inv [i].itemName, _inv [i].quality));
                                        }

                                        DoParts (_inv [i].parts, 1, null);
                                } else {
                                        // Tag defined -> parseable output
                                        string partsMsg = DoParts (_inv [i].parts, 1, "");
                                        string msg = "tracker_item id=" + _entityId + ", tag=" + _tag + ", location=" + _location +
                                                     ", slot=" + i + ", item=" + _inv [i].itemName + ", qnty=" + _inv [i].count +
                                                     ", quality=" + _inv [i].quality + ", parts=(" + partsMsg + ")";
                                        SdtdConsole.Instance.Output (msg);
                                }
                        }
                }

                private static void PrintEquipment (IReadOnlyList<InvItem> _equipment, int _entityId, string _location, string _tag) {
                        AddEquipment ("head", _equipment, EquipmentSlots.Head, _entityId, _location, _tag);
                        // AddEquipment ("eyes", _equipment, EquipmentSlots.Eyewear, _entityId, _location, _tag);
                        // AddEquipment ("face", _equipment, EquipmentSlots.Face, _entityId, _location, _tag);

                        AddEquipment ("armor", _equipment, EquipmentSlots.Chest, _entityId, _location, _tag);
                        // AddEquipment ("jacket", _equipment, EquipmentSlots.Jacket, _entityId, _location, _tag);
                        // AddEquipment ("shirt", _equipment, EquipmentSlots.Shirt, _entityId, _location, _tag);

                        // AddEquipment ("legarmor", _equipment, EquipmentSlots.LegArmor, _entityId, _location, _tag);
                        // AddEquipment ("pants", _equipment, EquipmentSlots.Legs, _entityId, _location, _tag);
                        AddEquipment ("boots", _equipment, EquipmentSlots.Feet, _entityId, _location, _tag);

                        AddEquipment ("gloves", _equipment, EquipmentSlots.Hands, _entityId, _location, _tag);
                }

                private static void AddEquipment (string _slotname, IReadOnlyList<InvItem> _items, EquipmentSlots _slot, int _entityId,
                        string _location, string _tag) {
                        int slotindex = (int)_slot;

                        if (_items == null || _items[slotindex] == null) {
                                return;
                        }

                        InvItem item = _items [slotindex];
                        if (_tag == null) {
                                // no Tag defined -> readable output
                                if (item.quality < 0) {
                                        SdtdConsole.Instance.Output (string.Format ("    Slot {0:8}: {1:000}", _slotname,
                                                item.itemName));
                                } else {
                                        SdtdConsole.Instance.Output (string.Format ("    Slot {0:8}: {1:000} - quality: {2}",
                                                _slotname, item.itemName, item.quality));
                                }

                                DoParts (_items [slotindex].parts, 1, null);
                        } else {
                                // Tag defined -> parseable output
                                string partsMsg = DoParts (_items [slotindex].parts, 1, "");
                                string msg = $"tracker_item id={_entityId}, tag={_tag}, location={_location}, slot={_slotname}, item={item.itemName}, qnty=1, quality={item.quality}, parts=({partsMsg})";
                                SdtdConsole.Instance.Output (msg);
                        }
                }

                private static string DoParts (IReadOnlyList<InvItem> _parts, int _indent, string _currentMessage) {
                        if (_parts == null || _parts.Count <= 0) {
                                return _currentMessage;
                        }

                        string indenter = new string (' ', _indent * 4);
                        for (int i = 0; i < _parts.Count; i++) {
                                if (_parts[i] == null) {
                                        continue;
                                }

                                if (_currentMessage == null) {
                                        // no currentMessage given -> readable output
                                        if (_parts [i].quality < 0) {
                                                SdtdConsole.Instance.Output (string.Format ("{0}         - {1}", indenter,
                                                        _parts [i].itemName));
                                        } else {
                                                SdtdConsole.Instance.Output (string.Format ("{0}         - {1} - quality: {2}",
                                                        indenter, _parts [i].itemName, _parts [i].quality));
                                        }

                                        DoParts (_parts [i].parts, _indent + 1, null);
                                } else {
                                        // currentMessage given -> parseable output
                                        if (_currentMessage.Length > 0) {
                                                _currentMessage += ",";
                                        }

                                        _currentMessage += $"{_parts[i].itemName}@{_parts[i].quality}";
                                        _currentMessage = DoParts (_parts [i].parts, _indent + 1, _currentMessage);
                                }
                        }

                        return _currentMessage;
                }
        }
}