Chomp
557 lines
19 KiB
C#
557 lines
19 KiB
C#
using SPTarkov.DI.Annotations;
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using SPTarkov.Server.Core.Helpers;
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using SPTarkov.Server.Core.Models.Common;
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using SPTarkov.Server.Core.Models.Eft.Common;
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using SPTarkov.Server.Core.Models.Eft.Common.Tables;
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using SPTarkov.Server.Core.Models.Enums;
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using SPTarkov.Server.Core.Models.Spt.Config;
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using SPTarkov.Server.Core.Models.Utils;
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using SPTarkov.Server.Core.Servers;
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using SPTarkov.Server.Core.Utils;
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using LogLevel = SPTarkov.Server.Core.Models.Spt.Logging.LogLevel;
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namespace SPTarkov.Server.Core.Services;
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/// <summary>
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/// Stores flea prices for items as well as methods to interact with them.
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/// </summary>
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[Injectable(InjectionType.Singleton)]
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public class RagfairPriceService(
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ISptLogger<RagfairPriceService> logger,
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RandomUtil randomUtil,
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HandbookHelper handbookHelper,
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TraderHelper traderHelper,
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PresetHelper presetHelper,
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ItemHelper itemHelper,
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DatabaseService databaseService,
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ServerLocalisationService serverLocalisationService,
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ConfigServer configServer
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)
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{
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private readonly RagfairConfig _ragfairConfig = configServer.GetConfig<RagfairConfig>();
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protected Dictionary<MongoId, double>? _staticPrices;
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/// <summary>
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/// Generate static (handbook) and dynamic (prices.json) flea prices, store inside class as dictionaries
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/// </summary>
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public void Load()
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{
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RefreshStaticPrices();
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RefreshDynamicPrices();
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}
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public string GetRoute()
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{
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return "RagfairPriceService";
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}
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/// <summary>
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/// Iterate over all items of type "Item" in db and get template price, store in cache
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/// </summary>
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public void RefreshStaticPrices()
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{
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_staticPrices = new Dictionary<MongoId, double>();
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foreach (
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var item in databaseService
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.GetItems()
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.Values.Where(item =>
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string.Equals(item.Type, "Item", StringComparison.OrdinalIgnoreCase)
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)
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)
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{
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_staticPrices[item.Id] = handbookHelper.GetTemplatePrice(item.Id);
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}
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}
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/// <summary>
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/// Copy the prices.json data into our dynamic price dictionary
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/// </summary>
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public void RefreshDynamicPrices()
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{
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// TODO: remove as redundant?
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}
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/// <summary>
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/// Get the dynamic price for an item. If value doesn't exist, use static (handbook) value.
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/// if no static value, return 1
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/// </summary>
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/// <param name="tplId">Item tpl id to get price for</param>
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/// <returns>price in roubles</returns>
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public double GetFleaPriceForItem(MongoId tplId)
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{
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// Get dynamic price (templates/prices), if that doesn't exist get price from static array (templates/handbook)
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var itemPrice = itemHelper.GetDynamicItemPrice(tplId) ?? GetStaticPriceForItem(tplId);
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if (itemPrice is null)
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{
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var itemFromDb = itemHelper.GetItem(tplId);
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logger.Warning(
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serverLocalisationService.GetText(
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"ragfair-unable_to_find_item_price_for_item_in_flea_handbook",
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new { tpl = tplId, name = itemFromDb.Value.Name ?? "" }
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)
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);
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}
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// If no price in dynamic/static, set to 1
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if (itemPrice == 0)
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{
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itemPrice = 1;
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}
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return itemPrice.Value;
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}
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/// <summary>
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/// Get the flea price for an offers items + children
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/// </summary>
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/// <param name="offerItems">offer item + children to process</param>
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/// <returns>Rouble price</returns>
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public double GetFleaPriceForOfferItems(List<Item> offerItems)
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{
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// Preset weapons take the direct prices.json value, otherwise they're massively inflated
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if (itemHelper.IsOfBaseclass(offerItems[0].Template, BaseClasses.WEAPON))
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{
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return GetFleaPriceForItem(offerItems[0].Template);
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}
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return offerItems.Sum(item => GetFleaPriceForItem(item.Template));
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}
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/// <summary>
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/// Get the dynamic (flea) price for an item
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/// </summary>
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/// <param name="itemTpl"> Item template id to look up </param>
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/// <returns> Price in roubles </returns>
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public double? GetDynamicPriceForItem(MongoId itemTpl)
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{
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databaseService.GetPrices().TryGetValue(itemTpl, out var value);
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return value;
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}
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/// <summary>
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/// Grab the static (handbook) for an item by its tplId
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/// </summary>
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/// <param name="itemTpl">item template id to look up</param>
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/// <returns>price in roubles</returns>
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public double? GetStaticPriceForItem(MongoId itemTpl)
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{
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return handbookHelper.GetTemplatePrice(itemTpl);
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}
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/// <summary>
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/// Get prices for all items on flea, prioritize handbook prices first, use prices from prices.json if missing
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/// This will refresh the caches prior to building the output
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/// </summary>
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/// <returns>Dictionary of item tpls and rouble cost</returns>
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public Dictionary<MongoId, double> GetAllFleaPrices()
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{
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var dynamicPrices = databaseService.GetPrices();
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// Use dynamic prices first, fill in any gaps with data from static prices (handbook)
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return dynamicPrices
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.Concat(_staticPrices)
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.GroupBy(x => x.Key)
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.ToDictionary(x => x.Key, x => x.First().Value);
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}
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public Dictionary<MongoId, double> GetAllStaticPrices()
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{
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// Refresh the cache so we include any newly added custom items
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if (_staticPrices is null)
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{
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RefreshStaticPrices();
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}
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return _staticPrices;
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}
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/// <summary>
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/// Get the percentage difference between two values
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/// </summary>
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/// <param name="a">numerical value a</param>
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/// <param name="b">numerical value b</param>
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/// <returns>different in percent</returns>
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protected double GetPriceDifference(double a, double b)
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{
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return 100 * a / (a + b);
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}
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/// <summary>
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/// Get the rouble price for an assorts barter scheme
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/// </summary>
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/// <param name="barterScheme"></param>
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/// <returns>Rouble price</returns>
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public double GetBarterPrice(List<BarterScheme> barterScheme)
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{
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var price = 0d;
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foreach (var item in barterScheme)
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{
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price += GetStaticPriceForItem(item.Template).Value * item.Count.Value;
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}
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return Math.Round(price);
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}
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/// <summary>
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/// Generate a currency cost for an item and its mods
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/// </summary>
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/// <param name="offerItems">Item with mods to get price for</param>
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/// <param name="desiredCurrency">Currency price desired in</param>
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/// <param name="isPackOffer">Price is for a pack type offer</param>
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/// <returns>cost of item in desired currency</returns>
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public double GetDynamicOfferPriceForOffer(
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List<Item> offerItems,
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string desiredCurrency,
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bool isPackOffer
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)
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{
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// Price to return.
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var price = 0d;
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// Iterate over each item in the offer.
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foreach (var item in offerItems)
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{
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// Skip over armor inserts as those are not factored into item prices.
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if (itemHelper.IsOfBaseclass(item.Template, BaseClasses.BUILT_IN_INSERTS))
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{
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continue;
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}
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price += GetDynamicItemPrice(
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item.Template,
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desiredCurrency,
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item,
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offerItems,
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isPackOffer
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).Value;
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// Check if the item is a weapon preset.
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if (
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item?.Upd?.SptPresetId is not null
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&& presetHelper.IsPresetBaseClass(item.Upd.SptPresetId, BaseClasses.WEAPON)
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)
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// This is a weapon preset, which has it's own price calculation that takes into account the mods in the
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// preset. Since we've already calculated the price for the preset entire preset in
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// `getDynamicItemPrice`, we can skip the rest of the items in the offer.
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{
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break;
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}
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}
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return Math.Round(price);
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}
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/// <summary>
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/// </summary>
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/// <param name="itemTemplateId">items tpl value</param>
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/// <param name="desiredCurrency">Currency to return result in</param>
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/// <param name="item">Item object (used for weapon presets)</param>
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/// <param name="offerItems"></param>
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/// <param name="isPackOffer"></param>
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/// <returns></returns>
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public double? GetDynamicItemPrice(
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MongoId itemTemplateId,
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MongoId desiredCurrency,
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Item? item = null,
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List<Item>? offerItems = null,
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bool? isPackOffer = null
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)
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{
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var isPreset = false;
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var price = GetFleaPriceForItem(itemTemplateId);
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// Adjust price if below handbook price, based on config.
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if (_ragfairConfig.Dynamic.OfferAdjustment.AdjustPriceWhenBelowHandbookPrice)
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{
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price = AdjustPriceIfBelowHandbook(price, itemTemplateId);
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}
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// Use trader price if higher, based on config.
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if (_ragfairConfig.Dynamic.UseTraderPriceForOffersIfHigher)
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{
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var traderPrice = traderHelper.GetHighestSellToTraderPrice(itemTemplateId);
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if (traderPrice > price)
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{
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price = traderPrice;
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}
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}
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// Prices for weapon presets are handled differently.
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if (
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item?.Upd?.SptPresetId is not null
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&& offerItems is not null
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&& presetHelper.IsPresetBaseClass(item.Upd.SptPresetId, BaseClasses.WEAPON)
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)
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{
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price = GetWeaponPresetPrice(item, offerItems, price);
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isPreset = true;
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}
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// Check for existence of manual price adjustment multiplier
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if (
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_ragfairConfig.Dynamic.ItemPriceMultiplier.TryGetValue(
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itemTemplateId,
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out var multiplier
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)
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)
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{
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price *= multiplier;
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}
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// The quality of the item affects the price + not on the ignore list
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if (
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item is not null
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&& !_ragfairConfig.Dynamic.IgnoreQualityPriceVarianceBlacklist.Contains(itemTemplateId)
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)
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{
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var qualityModifier = itemHelper.GetItemQualityModifier(item);
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price *= qualityModifier;
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}
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// Make adjustments for unreasonably priced items.
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foreach (var (key, value) in _ragfairConfig.Dynamic.UnreasonableModPrices)
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{
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if (!value.Enabled || !itemHelper.IsOfBaseclass(itemTemplateId, key))
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{
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continue;
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}
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price = AdjustUnreasonablePrice(value, itemTemplateId, price);
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}
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// Vary the price based on the type of offer.
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var range = GetOfferTypeRangeValues(isPreset, isPackOffer ?? false);
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price = RandomiseOfferPrice(price, range);
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// Convert to different currency if required.
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if (desiredCurrency != Money.ROUBLES)
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{
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price = handbookHelper.FromRUB(price, desiredCurrency);
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}
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if (price <= 0)
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{
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return 0.1d;
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}
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return price;
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}
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/// <summary>
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/// using data from config, adjust an items price to be relative to its handbook price
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/// </summary>
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/// <param name="unreasonableItemChange">Change object from config</param>
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/// <param name="itemTpl">Item being adjusted</param>
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/// <param name="price">Current price of item</param>
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/// <returns>Adjusted price of item</returns>
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protected double AdjustUnreasonablePrice(
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UnreasonableModPrices unreasonableItemChange,
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MongoId itemTpl,
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double price
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)
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{
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var itemHandbookPrice = handbookHelper.GetTemplatePrice(itemTpl);
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if (itemHandbookPrice > 0)
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{
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return price;
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}
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// Flea price is over handbook price
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if (price > itemHandbookPrice * unreasonableItemChange.HandbookPriceOverMultiplier)
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{
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// Skip extreme values
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if (price <= 1)
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{
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return price;
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}
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// Price is over limit, adjust
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return itemHandbookPrice * unreasonableItemChange.NewPriceHandbookMultiplier;
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}
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return price;
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}
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/// <summary>
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/// Get different min/max price multipliers for different offer types (preset/pack/default)
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/// </summary>
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/// <param name="isPreset">Offer is a preset</param>
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/// <param name="isPack">Offer is a pack</param>
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/// <returns>MinMax values</returns>
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protected MinMax<double> GetOfferTypeRangeValues(bool isPreset, bool isPack)
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{
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// Use different min/max values if the item is a preset or pack
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var priceRanges = _ragfairConfig.Dynamic.PriceRanges;
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if (isPreset)
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{
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return priceRanges.Preset;
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}
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if (isPack)
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{
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return priceRanges.Pack;
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}
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return priceRanges.Default;
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}
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/// <summary>
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/// Check to see if an items price is below its handbook price and adjust according to values set to config/ragfair.json
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/// </summary>
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/// <param name="itemPrice">price of item</param>
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/// <param name="itemTpl">item template Id being checked</param>
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/// <returns>adjusted price value in roubles</returns>
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protected double AdjustPriceIfBelowHandbook(double itemPrice, MongoId itemTpl)
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{
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var itemHandbookPrice = GetStaticPriceForItem(itemTpl);
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var priceDifferencePercent = GetPriceDifference(itemHandbookPrice.Value, itemPrice);
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var offerAdjustmentSettings = _ragfairConfig.Dynamic.OfferAdjustment;
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// Only adjust price if difference is > a percent AND item price passes threshold set in config
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if (
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priceDifferencePercent > offerAdjustmentSettings.MaxPriceDifferenceBelowHandbookPercent
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&& itemPrice >= offerAdjustmentSettings.PriceThresholdRub
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)
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// var itemDetails = this.itemHelper.getItem(itemTpl);
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// this.logger.debug(`item below handbook price {itemDetails[1]._name} handbook: {itemHandbookPrice} flea: ${itemPrice} {priceDifferencePercent}%`);
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{
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return Math.Round(
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itemHandbookPrice.Value * offerAdjustmentSettings.HandbookPriceMultiplier
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);
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}
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return itemPrice;
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}
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/// <summary>
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/// Multiply the price by a randomised curve where n = 2, shift = 2
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/// </summary>
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/// <param name="existingPrice">price to alter</param>
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/// <param name="rangeValues">min and max to adjust price by</param>
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/// <returns>multiplied price</returns>
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protected double RandomiseOfferPrice(double existingPrice, MinMax<double> rangeValues)
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{
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// Multiply by 100 to get 2 decimal places of precision
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var multiplier = randomUtil.GetBiasedRandomNumber(
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rangeValues.Min * 100,
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rangeValues.Max * 100,
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2,
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2
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);
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// return multiplier back to its original decimal place location
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return existingPrice * (multiplier / 100);
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}
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/// <summary>
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/// Calculate the cost of a weapon preset by adding together the price of its mods + base price of default weapon preset
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/// </summary>
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/// <param name="weaponRootItem">base weapon</param>
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/// <param name="weaponWithChildren">weapon plus mods</param>
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/// <param name="existingPrice">price of existing base weapon</param>
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/// <returns>price of weapon in roubles</returns>
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protected double GetWeaponPresetPrice(
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Item weaponRootItem,
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List<Item> weaponWithChildren,
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double existingPrice
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)
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{
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// Get the default preset for this weapon
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var presetResult = GetWeaponPreset(weaponRootItem);
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if (presetResult.IsDefault)
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{
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return GetFleaPriceForItem(weaponRootItem.Template);
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}
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// Get mods on current gun not in default preset
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var newOrReplacedModsInPresetVsDefault = weaponWithChildren.Where(x =>
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!presetResult.Preset.Items.Any(y => y.Template == x.Template)
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);
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// Add up extra mods price
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var extraModsPrice = 0d;
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foreach (var mod in newOrReplacedModsInPresetVsDefault)
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// Use handbook or trader price, whatever is higher (dont use dynamic flea price as purchased item cannot be relisted)
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{
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extraModsPrice += GetHighestHandbookOrTraderPriceAsRouble(mod.Template).Value;
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}
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// Only deduct cost of replaced mods if there's replaced/new mods
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if (newOrReplacedModsInPresetVsDefault.Any())
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{
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// Add up cost of mods replaced
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var modsReplacedByNewMods = newOrReplacedModsInPresetVsDefault.Where(x =>
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presetResult.Preset.Items.Any(y => y.SlotId == x.SlotId)
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);
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// Add up replaced mods price
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var replacedModsPrice = 0d;
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foreach (var replacedMod in modsReplacedByNewMods)
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{
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replacedModsPrice += GetHighestHandbookOrTraderPriceAsRouble(
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replacedMod.Template
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).Value;
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}
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// Subtract replaced mods total from extra mods total
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extraModsPrice -= replacedModsPrice;
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}
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// return extra mods price + base gun price
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return existingPrice + extraModsPrice;
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}
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/// <summary>
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/// Get the highest price for an item that is stored in handbook or trader assorts
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/// </summary>
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/// <param name="itemTpl">Item to get highest price of</param>
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/// <returns>rouble cost</returns>
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protected double? GetHighestHandbookOrTraderPriceAsRouble(MongoId itemTpl)
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{
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var price = GetStaticPriceForItem(itemTpl);
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var traderPrice = traderHelper.GetHighestSellToTraderPrice(itemTpl);
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if (traderPrice > price)
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{
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price = traderPrice;
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}
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return price;
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}
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/// <summary>
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/// Attempt to get the default preset for a weapon, failing that get the first preset in the array
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/// (assumes default = has encyclopedia entry)
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/// </summary>
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/// <param name="presets">weapon presets to choose from</param>
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/// <returns>Default preset object</returns>
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protected WeaponPreset GetWeaponPreset(Item weapon)
|
|
{
|
|
var defaultPreset = presetHelper.GetDefaultPreset(weapon.Template);
|
|
if (defaultPreset is not null)
|
|
{
|
|
return new WeaponPreset { IsDefault = true, Preset = defaultPreset };
|
|
}
|
|
|
|
var nonDefaultPresets = presetHelper.GetPresets(weapon.Template);
|
|
|
|
if (logger.IsLogEnabled(LogLevel.Debug))
|
|
{
|
|
logger.Debug(
|
|
nonDefaultPresets.Count == 1
|
|
? $"Item Id: {weapon.Template} has no default encyclopedia entry but only one preset: ({nonDefaultPresets[0].Name}), choosing preset: ({nonDefaultPresets[0].Name})"
|
|
: $"Item Id: {weapon.Template} has no default encyclopedia entry, choosing first preset({nonDefaultPresets[0].Name}) of {nonDefaultPresets.Count}"
|
|
);
|
|
}
|
|
|
|
return new WeaponPreset { IsDefault = false, Preset = nonDefaultPresets[0] };
|
|
}
|
|
|
|
public record WeaponPreset
|
|
{
|
|
public bool IsDefault { get; set; }
|
|
|
|
public Preset Preset { get; set; }
|
|
}
|
|
}
|