/// <summary>
/// Gets possible encounters that allow all moves requested to be learned.
/// </summary>
/// <param name="pk">Rough Pokémon data which contains the requested species, gender, and form.</param>
/// <param name="needs">Moves which cannot be taught by the player.</param>
/// <param name="version">Specific version to iterate for. Necessary for retrieving possible Egg Moves.</param>
/// <returns>A consumable <see cref="IEncounterable"/> list of possible encounters.</returns>
private static IEnumerable <EncounterEgg> GetEggs(PKM pk, IReadOnlyCollection <int> needs, GameVersion version)
{
if (GameVersion.CXD.Contains(version) || GameVersion.GG.Contains(version))
{
yield break; // no eggs from these games
}
var eggs = EncounterEggGenerator.GenerateEggs(pk, all: true);
foreach (var egg in eggs)
{
if (needs.Count == 0)
{
yield return(egg);
continue;
}
IEnumerable <int> em = MoveEgg.GetEggMoves(pk, egg.Species, pk.AltForm, version);
if (Legal.LightBall.Contains(egg.Species) && needs.Contains(344))
{
em = em.Concat(new[] { 344 }); // Volt Tackle
}
if (!needs.Except(em).Any())
{
yield return(egg);
}
}
}
/// <summary>
/// Gets possible encounters that allow all moves requested to be learned.
/// </summary>
/// <param name="pk">Rough Pokémon data which contains the requested species, gender, and form.</param>
/// <param name="needs">Moves which cannot be taught by the player.</param>
/// <param name="version">Specific version to iterate for. Necessary for retrieving possible Egg Moves.</param>
/// <returns>A consumable <see cref="IEncounterable"/> list of possible encounters.</returns>
private static IEnumerable <EncounterEgg> GetEggs(PKM pk, IReadOnlyCollection <int> needs, GameVersion version)
{
var eggs = EncounterEggGenerator.GenerateEggs(pk, all: true);
foreach (var egg in eggs)
{
if (needs.Count == 0)
{
yield return(egg);
continue;
}
var em = Legal.GetEggMoves(pk, egg.Species, pk.AltForm, version);
if (!needs.Except(em).Any())
{
yield return(egg);
}
}
}