90 lines
2.8 KiB
C#
90 lines
2.8 KiB
C#
using System.Linq;
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using Content.Server.Storage.Components;
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using Content.Shared.PDA;
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using Robust.Shared.Prototypes;
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using Robust.Shared.Random;
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namespace Content.Server.Traitor.Uplink.SurplusBundle;
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public sealed class SurplusBundleSystem : EntitySystem
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{
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[Dependency] private readonly IPrototypeManager _prototypeManager = default!;
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[Dependency] private readonly IRobustRandom _random = default!;
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private UplinkStoreListingPrototype[] _uplinks = default!;
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public override void Initialize()
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{
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base.Initialize();
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SubscribeLocalEvent<SurplusBundleComponent, MapInitEvent>(OnMapInit);
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InitList();
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}
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private void InitList()
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{
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// sort data in price descending order
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_uplinks = _prototypeManager.EnumeratePrototypes<UplinkStoreListingPrototype>()
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.Where(item => item.CanSurplus).ToArray();
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Array.Sort(_uplinks, (a, b) => b.Price - a.Price);
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}
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private void OnMapInit(EntityUid uid, SurplusBundleComponent component, MapInitEvent args)
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{
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FillStorage(uid, component: component);
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}
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private void FillStorage(EntityUid uid, IStorageComponent? storage = null,
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SurplusBundleComponent? component = null)
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{
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if (!Resolve(uid, ref storage, ref component))
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return;
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var cords = Transform(uid).Coordinates;
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var content = GetRandomContent(component.TotalPrice);
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foreach (var item in content)
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{
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var ent = EntityManager.SpawnEntity(item.ItemId, cords);
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storage.Insert(ent);
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}
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}
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// wow, is this leetcode reference?
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private List<UplinkStoreListingPrototype> GetRandomContent(int targetCost)
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{
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var ret = new List<UplinkStoreListingPrototype>();
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if (_uplinks.Length == 0)
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return ret;
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var totalCost = 0;
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var index = 0;
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while (totalCost < targetCost)
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{
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// All data is sorted in price descending order
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// Find new item with the lowest acceptable price
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// All expansive items will be before index, all acceptable after
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var remainingBudget = targetCost - totalCost;
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while (_uplinks[index].Price > remainingBudget)
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{
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index++;
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if (index >= _uplinks.Length)
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{
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// Looks like no cheap items left
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// It shouldn't be case for ss14 content
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// Because there are 1 TC items
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return ret;
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}
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}
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// Select random listing and add into crate
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var randomIndex = _random.Next(index, _uplinks.Length);
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var randomItem = _uplinks[randomIndex];
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ret.Add(randomItem);
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totalCost += randomItem.Price;
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}
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return ret;
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}
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}
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