public static IReadOnlyDictionary <ItemID, Item> UpdateOrCreateMap(IReadOnlyDictionary <ItemID, Item>?sourceMap, ICollection <Initializer> initializers, IReadOnlyDictionary <AnimateID, Animate> animates)
{
SnapshotContainer?snapshot = null;
if (sourceMap != null)
{
snapshot = new();
TakeSnapshots(snapshot, sourceMap);
}
Dictionary <ItemID, Item> items = new(initializers.Count);
var compoundInitializers = new List <Initializer>();
var typedInitializers = new Dictionary <Initializer, Func <Initializer, IReadOnlyDictionary <AnimateID, Animate>, IReadOnlyDictionary <ItemID, Item>, Item> >();
foreach (var initializer in initializers)
{
var createMethod = GetCreateMethod(initializer.ID);
if (createMethod != null)
{
typedInitializers[initializer] = createMethod;
}
else if (initializer.UsableOn != null && initializer.UsableOn.Length > 0)
{
if (initializer.Components != null && initializer.Components.Length == 2)
{
compoundInitializers.Add(initializer);
}
else
{
items[initializer.ID] = RegisterTexts(UsableItem.Create(initializer, animates), initializer);
}
}
else
{
items[initializer.ID] = RegisterTexts(Create(initializer), initializer);
}
}
foreach (var initializer in compoundInitializers)
{
items[initializer.ID] = RegisterTexts(CompoundItem.Create(initializer, animates, items), initializer);
}
foreach (var initializerMethod in typedInitializers)
{
var initializer = initializerMethod.Key;
items[initializer.ID] = RegisterTexts(initializerMethod.Value.Invoke(initializer, animates, items), initializer);
}
if (snapshot != null)
{
RestoreSnapshots(snapshot, items);
}
return(items);
}
