/// <summary>
/// Track purchases for this champion.
/// </summary>
public void Process(ChampionMatchItemPurchases matchPurchases)
{
// Create or get the purchase set for this match
PurchaseSetKey key = new PurchaseSetKey(matchPurchases);
PurchaseSet set = PurchaseSets.GetOrAdd(key, k => new PurchaseSet(k));
set.Process(matchPurchases);
}
public override bool Equals(object obj)
{
if (ReferenceEquals(this, obj))
{
return(true);
}
if (obj == null)
{
return(true);
}
if (!(obj is PurchaseSetKey))
{
return(false);
}
PurchaseSetKey other = obj as PurchaseSetKey;
return
(ChampionId == other.ChampionId &&
Lane == other.Lane &&
HasSmite == other.HasSmite);
}
public PurchaseSet(PurchaseSetKey key)
{
Key = key;
}
public ChampionPurchaseCalculator(PurchaseSet set)
{
Key = set.Key;
MatchCount = set.MatchCount;
// Create stats
var stats = PurchaseStats.Create(set.AllItemPurchases, set.MatchCount);
// Compute initial determinations based on game stage and settings percentages
var statsList = stats.SelectMany(kvp => kvp.Value.Select(nkvp => nkvp.Value));
var purchaseDeterminations = statsList.Select(purchaseStats => new IncludeDetermination()
{
Stats = purchaseStats,
GameStage = SetBuilderSettings.GetGameStage(purchaseStats),
Include = false
}).ToDictionary(
determination => new ItemPurchaseTrackerData.ItemPurchaseKey(determination.Stats)
);
// Filter initial include list by percentage
purchaseDeterminations.Values
.Where(determination => determination.Stats.Percentage >= SetBuilderSettings.ItemMinimumPurchasePercentage[determination.GameStage])
.ToList()
.ForEach(determination => determination.Include = true);
// Compute build path includes
DetermineBuildPathIncludes(purchaseDeterminations);
// Generate stage-based include list
Purchases = purchaseDeterminations.Values
.Where(determination => determination.Include)
.GroupBy(determination => determination.GameStage)
.ToDictionary(
g => g.Key,
g => g.Select(d => d.Stats).OrderBy(s => s.AveragePurchaseTimeSeconds).ToList()
);
// If early items contain items that build into a mid-game item, migrate the mid-game item to early game
if (Purchases.ContainsKey(GameStage.Early) && Purchases.ContainsKey(GameStage.Mid))
{
// Check if a full build path exists in the early stage already
bool hasFullEarlyPath = Purchases[GameStage.Early].Any(p =>
p.FinalBuildItemPercentage.Any(finalItem => Purchases[GameStage.Early].Any(i => finalItem.Key.ItemId == i.ItemId)));
if (!hasFullEarlyPath)
{
// Find the first early game item that builds into something in mid-game
var earlyItem = Purchases[GameStage.Early].FirstOrDefault(p =>
p.FinalBuildItemPercentage.Any(finalItem => Purchases[GameStage.Mid].Any(i => finalItem.Key.ItemId == i.ItemId)));
if (earlyItem != null)
{
// Find the mid-game item to move
var midItemIndex = Purchases[GameStage.Mid].FindIndex(i => earlyItem.FinalBuildItemPercentage.Any(kvp => kvp.Key.ItemId == i.ItemId));
var midItem = Purchases[GameStage.Mid][midItemIndex];
// Move the mid-game item
Purchases[GameStage.Early].Add(midItem);
Purchases[GameStage.Mid].RemoveAt(midItemIndex);
}
}
}
// If start items add up to less than 475, try to absorb first early item
if (Purchases.ContainsKey(GameStage.Start) && Purchases.ContainsKey(GameStage.Early))
{
int startCost = Purchases[GameStage.Start].Sum(d => StaticDataStore.Items.Items[d.ItemId].Gold.TotalPrice);
if (startCost < 475)
{
ItemPurchaseStats d = Purchases[GameStage.Early].FirstOrDefault();
if (StaticDataStore.Items.Items[d.ItemId].Gold.TotalPrice + startCost <= 475)
{
// Move item
Purchases[GameStage.Start].Add(d);
Purchases[GameStage.Early].RemoveAt(0);
}
}
}
// Move consumables to end of each section
foreach (GameStage stage in Purchases.Keys)
{
// Remove all consumables, sort by cost, then add to end of list
var purchaseList = Purchases[stage];
var consumables = purchaseList.Where(d => StaticDataStore.Items.Items[d.ItemId].Consumed).ToList();
purchaseList.RemoveAll(d => consumables.Contains(d));
consumables.Sort((a, b) =>
{
int cmp = StaticDataStore.Items.Items[a.ItemId].Gold.TotalPrice.CompareTo(
StaticDataStore.Items.Items[b.ItemId].Gold.TotalPrice);
if (cmp != 0)
{
return(cmp);
}
return(a.ItemId.CompareTo(b.ItemId));
}
);
purchaseList.AddRange(consumables);
}
// Remove components in mid/late game
var removeComponentsStages = new[] { GameStage.Late, GameStage.Mid };
IEnumerable <ItemStatic> componentItems = Enumerable.Empty <ItemStatic>();
foreach (GameStage stage in removeComponentsStages)
{
if (!Purchases.ContainsKey(stage))
{
continue;
}
var allComponents = Purchases[stage]
.Select(p => StaticDataStore.Items.Items[p.ItemId])
.Where(i => i.Into == null || i.Into.Count == 0)
.SelectMany(i => i.AllComponents())
.Where(i => i.Tags == null || (!i.Tags.Contains("Boots") && !i.Tags.Contains("Trinket")))
.Distinct();
componentItems = componentItems.Concat(allComponents).Distinct().ToList();
// Remove any component items
Purchases[stage].RemoveAll(i => componentItems.Any(c => c.Id == i.ItemId));
}
}
