Files
SPT-Server-Build/Libraries/SPTarkov.Server.Core/Extensions/ItemExtensions.cs
T
2025-08-05 14:09:54 +01:00

471 lines
17 KiB
C#

using System.Text.Json;
using SPTarkov.Common.Extensions;
using SPTarkov.Server.Core.Helpers;
using SPTarkov.Server.Core.Models.Common;
using SPTarkov.Server.Core.Models.Eft.Common;
using SPTarkov.Server.Core.Models.Eft.Common.Tables;
namespace SPTarkov.Server.Core.Extensions;
public static class ItemExtensions
{
/// <summary>
/// This method will compare two items and see if they are equivalent
/// This method will NOT compare IDs on the items
/// </summary>
/// <param name="item1">first item to compare</param>
/// <param name="item2">second item to compare</param>
/// <param name="compareUpdProperties">Upd properties to compare between the items</param>
/// <returns>true if they are the same</returns>
public static bool IsSameItem(this Item item1, Item item2, ISet<string>? compareUpdProperties = null)
{
// Different tpl == different item
if (item1.Template != item2.Template)
{
return false;
}
// Both lack upd object + same tpl = same
if (item1.Upd is null && item2.Upd is null)
{
return true;
}
// item1 lacks upd, item2 has one
if (item1.Upd is null && item2.Upd is not null)
{
return false;
}
// item1 has upd, item2 lacks one
if (item1.Upd is not null && item2.Upd is null)
{
return false;
}
// key = Upd property Type as string, value = comparison function that returns bool
var comparers = new Dictionary<string, Func<Upd, Upd, bool>>
{
{ "Key", (upd1, upd2) => upd1.Key?.NumberOfUsages == upd2.Key?.NumberOfUsages },
{ "Buff", (upd1, upd2) => upd1.Buff?.Value == upd2.Buff?.Value && upd1.Buff?.BuffType == upd2.Buff?.BuffType },
{ "CultistAmulet", (upd1, upd2) => upd1.CultistAmulet?.NumberOfUsages == upd2.CultistAmulet?.NumberOfUsages },
{ "Dogtag", (upd1, upd2) => upd1.Dogtag?.ProfileId == upd2.Dogtag?.ProfileId },
{ "FaceShield", (upd1, upd2) => upd1.FaceShield?.Hits == upd2.FaceShield?.Hits },
{
"Foldable",
(upd1, upd2) => upd1.Foldable?.Folded.GetValueOrDefault(false) == upd2.Foldable?.Folded.GetValueOrDefault(false)
},
{ "FoodDrink", (upd1, upd2) => upd1.FoodDrink?.HpPercent == upd2.FoodDrink?.HpPercent },
{ "MedKit", (upd1, upd2) => upd1.MedKit?.HpResource == upd2.MedKit?.HpResource },
{ "RecodableComponent", (upd1, upd2) => upd1.RecodableComponent?.IsEncoded == upd2.RecodableComponent?.IsEncoded },
{ "RepairKit", (upd1, upd2) => upd1.RepairKit?.Resource == upd2.RepairKit?.Resource },
{ "Resource", (upd1, upd2) => upd1.Resource?.UnitsConsumed == upd2.Resource?.UnitsConsumed },
};
// Choose above keys or passed in keys to compare items with
var valuesToCompare = compareUpdProperties?.Count > 0 ? compareUpdProperties : comparers.Keys.ToHashSet();
foreach (var propertyName in valuesToCompare)
{
if (!comparers.TryGetValue(propertyName, out var comparer))
// Key not found, skip
{
continue;
}
if (!comparer(item1.Upd, item2.Upd))
{
return false;
}
}
return true;
}
/// <summary>
/// Check if item is stored inside a container
/// </summary>
/// <param name="itemToCheck">Item to check is inside of container</param>
/// <param name="desiredContainerSlotId">Name of slot to check item is in e.g. SecuredContainer/Backpack</param>
/// <param name="items">Inventory with child parent items to check</param>
/// <returns>True when item is in container</returns>
public static bool ItemIsInsideContainer(this Item itemToCheck, string desiredContainerSlotId, IEnumerable<Item> items)
{
// Get items parent
var parent = items.FirstOrDefault(item => item.Id.Equals(itemToCheck.ParentId));
if (parent is null)
// No parent, end of line, not inside container
{
return false;
}
if (parent.SlotId == desiredContainerSlotId)
{
return true;
}
return parent.ItemIsInsideContainer(desiredContainerSlotId, items);
}
/// <summary>
/// Get the size of a stack, return 1 if no stack object count property found
/// </summary>
/// <param name="item">Item to get stack size of</param>
/// <returns>size of stack</returns>
public static int GetItemStackSize(this Item item)
{
if (item.Upd?.StackObjectsCount is not null)
{
return (int)item.Upd.StackObjectsCount;
}
return 1;
}
/// <summary>
/// Create a dictionary from a collection of items, keyed by item id
/// </summary>
/// <param name="items">Collection of items</param>
/// <returns>Dictionary of items</returns>
public static Dictionary<MongoId, Item> GenerateItemsMap(this IEnumerable<Item> items)
{
// Convert list to dictionary, keyed by items Id
return items.ToDictionary(item => item.Id);
}
/// <summary>
/// Adopts orphaned items by resetting them as root "hideout" items. Helpful in situations where a parent has been
/// deleted from a group of items and there are children still referencing the missing parent. This method will
/// remove the reference from the children to the parent and set item properties to root values.
/// </summary>
/// <param name="rootId">The ID of the "root" of the container</param>
/// <param name="items">Array of Items that should be adjusted</param>
/// <returns>Returns Array of Items that have been adopted</returns>
public static List<Item> AdoptOrphanedItems(this List<Item> items, string rootId)
{
foreach (var item in items)
{
// Check if the item's parent exists.
var parentExists = items.Any(parentItem => parentItem.Id.Equals(item.ParentId));
// If the parent does not exist and the item is not already a 'hideout' item, adopt the orphaned item by
// setting the parent ID to the PMCs inventory equipment ID, the slot ID to 'hideout', and remove the location.
if (!parentExists && item.ParentId != rootId && item.SlotId != "hideout")
{
item.ParentId = rootId;
item.SlotId = "hideout";
item.Location = null;
}
}
return items;
}
/// <summary>
/// Recursive function that looks at every item from parameter and gets their children's Ids + includes parent item in results
/// </summary>
/// <param name="items">List of items (item + possible children)</param>
/// <param name="baseItemId">Parent item's id</param>
/// <returns>list of child item ids</returns>
public static List<MongoId> GetItemWithChildrenTpls(this IEnumerable<Item> items, MongoId baseItemId)
{
List<MongoId> list = [];
foreach (var childItem in items)
{
if (childItem.ParentId == baseItemId.ToString())
{
list.AddRange(GetItemWithChildrenTpls(items, childItem.Id));
}
}
list.Add(baseItemId); // Required, push original item id onto array
return list;
}
/// <summary>
/// Check if the passed in item has buy count restrictions
/// </summary>
/// <param name="itemToCheck">Item to check</param>
/// <returns>true if it has buy restrictions</returns>
public static bool HasBuyRestrictions(this Item itemToCheck)
{
return itemToCheck.Upd?.BuyRestrictionCurrent is not null && itemToCheck.Upd?.BuyRestrictionMax is not null;
}
/// <summary>
/// Gets the identifier for a child using slotId, locationX and locationY.
/// </summary>
/// <param name="item">Item.</param>
/// <returns>SlotId OR slotId, locationX, locationY.</returns>
public static string GetChildId(this Item item)
{
if (item.Location is null)
{
return item.SlotId;
}
var LocationTyped = (ItemLocation)item.Location;
return $"{item.SlotId},{LocationTyped.X},{LocationTyped.Y}";
}
public static bool IsVertical(this ItemLocation itemLocation)
{
return itemLocation.R == ItemRotation.Vertical;
}
/// <summary>
/// Update items upd.StackObjectsCount to be 1 if its upd is missing or StackObjectsCount is undefined
/// </summary>
/// <param name="item">Item to update</param>
/// <returns>Fixed item</returns>
public static void FixItemStackCount(this Item item)
{
// Ensure item has 'Upd' object
item.Upd ??= new Upd { StackObjectsCount = 1 };
// Ensure item has 'StackObjectsCount' property
item.Upd.StackObjectsCount ??= 1;
}
/// <summary>
/// TODO: return IEnumerable and update all calling code
/// Get an item with its attachments (children)
/// </summary>
/// <param name="items">List of items (item + possible children)</param>
/// <param name="baseItemId">Parent item's id</param>
/// <param name="excludeStoredItems">OPTIONAL - Include only mod items, exclude items stored inside root item</param>
/// <returns>list of Item objects</returns>
public static List<Item> GetItemWithChildren(this IEnumerable<Item> items, MongoId baseItemId, bool excludeStoredItems = false)
{
// Use dictionary to make key lookup faster, convert to list before being returned
var itemList = items.ToList();
OrderedDictionary<MongoId, Item> result = [];
// Find desired root item
var desiredRootItem = itemList.FirstOrDefault(item => item.Id == baseItemId);
if (desiredRootItem is null)
{
// Root not found, nothing to return, exit
return [];
}
result.Add(desiredRootItem.Id, desiredRootItem);
var rootItemIdString = desiredRootItem.Id.ToString();
foreach (var item in itemList)
{
if (result.ContainsKey(item.Id))
{
// Already processed, skip
continue;
}
// Skip items with different parentId
if (item.ParentId != rootItemIdString)
{
continue;
}
// Is stored in parent and disallowed
if (excludeStoredItems && item.Location is not null)
{
continue;
}
// Item may have children, check
foreach (var subItem in GetItemWithChildren(itemList, item.Id))
{
result.Add(subItem.Id, subItem);
}
}
return result.Values.ToList();
}
/// <summary>
/// Convert an Item to SptLootItem
/// </summary>
/// <param name="item">Item to convert</param>
/// <returns>Converted SptLootItem</returns>
public static SptLootItem ToLootItem(this Item item)
{
return new SptLootItem
{
ComposedKey = null,
Id = item.Id,
Template = item.Template,
Upd = item.Upd,
ParentId = item.ParentId,
SlotId = item.SlotId,
Location = item.Location,
Desc = item.Desc,
ExtensionData = item.ExtensionData,
};
}
public static ItemLocation? GetParsedLocation(this Item item)
{
if (item.Location is null)
{
return null;
}
if (item.Location is JsonElement element)
{
// TODO: when is this true
return element.ToObject<ItemLocation>();
}
return (ItemLocation)item.Location;
}
/// <summary>
/// Get a list of the item IDs (NOT tpls) inside a secure container
/// </summary>
/// <param name="items">Inventory items to look for secure container in</param>
/// <returns>List of ids</returns>
public static HashSet<MongoId> GetSecureContainerItems(this IEnumerable<Item> items)
{
var secureContainer = items.First(x => x.SlotId == "SecuredContainer");
// No container found, drop out
if (secureContainer is null)
{
return [];
}
var itemsInSecureContainer = items.GetItemWithChildrenTpls(secureContainer.Id);
// Return all items returned and exclude the secure container item itself
return itemsInSecureContainer.Where(x => x != secureContainer.Id).ToHashSet();
}
/// <summary>
/// Regenerate all GUIDs with new IDs, except special item types (e.g. quest, sorting table, etc.)
/// </summary>
/// <param name="items"></param>
/// <returns></returns>
public static IEnumerable<Item> ReplaceIDs(this IEnumerable<Item> items)
{
foreach (var item in items)
{
// Generate new id
var newId = new MongoId();
// Keep copy of original id
var originalId = item.Id;
// Update items id to new one we generated
item.Id = newId;
// Find all children of item and update their parent ids to match
var childItems = items.Where(item => item.ParentId == originalId.ToString());
foreach (var childItem in childItems)
{
childItem.ParentId = newId;
}
}
return items;
}
/// <summary>
/// Update a root items _id property value to be unique
/// </summary>
/// <param name="itemWithChildren">Item to update root items _id property</param>
/// <param name="newId">Optional: new id to use</param>
/// <returns>New root id</returns>
public static MongoId RemapRootItemId(this IEnumerable<Item> itemWithChildren, MongoId? newId = null)
{
newId ??= new MongoId();
var rootItemExistingId = itemWithChildren.FirstOrDefault().Id;
foreach (var item in itemWithChildren)
{
// Root, update id
if (item.Id.Equals(rootItemExistingId))
{
item.Id = newId.Value;
continue;
}
// Child with parent of root, update
if (item.ParentId == rootItemExistingId)
{
item.ParentId = newId.Value;
}
}
return newId.Value;
}
/// <summary>
/// Create hashsets for passed in items, keyed by the items ID and by the items parentId
/// </summary>
/// <param name="inventoryItems">Items to hash</param>
/// <returns>InventoryItemHash</returns>
public static InventoryItemHash GetInventoryItemHash(this IEnumerable<Item> inventoryItems)
{
// Group by parentId + turn value into mongoId as we've filtered out non-mongoId values
var byParentId = inventoryItems
.Where(item => !string.IsNullOrEmpty(item.ParentId) && item.ParentId != "hideout")
.GroupBy(item => new MongoId(item.ParentId))
.ToDictionary(kvp => kvp.Key, group => group.ToHashSet());
return new InventoryItemHash { ByItemId = inventoryItems.ToDictionary(item => item.Id), ByParentId = byParentId };
}
/// <summary>
/// Remove spawned in session (FiR) status from items inside a container
/// </summary>
/// <param name="pmcData">Player profile</param>
/// <param name="containerSlotId">Container slot id to find items for and remove FiR from e.g. "Backpack"</param>
public static void RemoveFiRStatusFromItemsInContainer(this PmcData pmcData, string containerSlotId)
{
var container = pmcData?.Inventory?.Items?.FirstOrDefault(item => item.SlotId == containerSlotId);
if (container is null)
{
return;
}
var parentItemLookup = pmcData.Inventory.Items.ToLookup(item => item.ParentId);
var parentIdsToSearch = new Queue<string>();
parentIdsToSearch.Enqueue(container.Id);
while (parentIdsToSearch.Count > 0)
{
var currentParentId = parentIdsToSearch.Dequeue();
foreach (var childItem in parentItemLookup[currentParentId])
{
if (childItem.Upd?.SpawnedInSession != null && childItem.Upd.SpawnedInSession.Value)
{
childItem.Upd.SpawnedInSession = false;
}
parentIdsToSearch.Enqueue(childItem.Id);
}
}
}
/// <summary>
/// Add a blank Upd object to an item
/// </summary>
/// <param name="item"></param>
/// <returns>True = Upd added</returns>
public static bool AddUpd(this Item item)
{
if (item.Upd is not null)
{
// Already exists, exit early
return false;
}
item.Upd = new Upd();
return true;
}
}