/// <summary>
/// Checks if the Evolution from the source <see cref="IEncounterable"/> is valid.
/// </summary>
/// <param name="pkm">Source data to verify</param>
/// <param name="info">Source supporting information to verify with</param>
/// <returns>Evolution is valid or not</returns>
private static bool IsValidEvolution(PKM pkm, LegalInfo info)
{
int species = pkm.Species;
if (info.EncounterMatch.Species == species)
{
return(true);
}
if (info.EncounterMatch.EggEncounter && species == 350 && pkm.Format >= 5 && !pkm.IsUntraded) // Prism Scale
{
return(true);
}
if (EvolutionChain.GetEvoChainSpeciesIndex(info.EvoChainsAllGens[pkm.Format], pkm.Species) < 0)
{
return(false); // Can't exist as current species
}
if (info.Generation > 0 && info.EvoChainsAllGens[info.Generation].All(z => z.Species != info.EncounterMatch.Species))
{
return(false); // Can't exist as origin species
}
// If current species evolved with a move evolution and encounter species is not current species check if the evolution by move is valid
// Only the evolution by move is checked, if there is another evolution before the evolution by move is covered in IsEvolutionValid
if (Legal.SpeciesEvolutionWithMove.Contains(pkm.Species))
{
return(Legal.IsEvolutionValidWithMove(pkm, info));
}
return(true);
}
private static List <int> GetValidPostEvolutionMoves(PKM pkm, int Species, IReadOnlyList <EvoCriteria> evoChain, int Generation, GameVersion Version)
{
var evomoves = new List <int>();
var index = EvolutionChain.GetEvoChainSpeciesIndex(evoChain, Species);
for (int i = 0; i <= index; i++)
{
var evo = evoChain[i];
var moves = GetMoves(pkm, evo.Species, 1, 1, evo.Level, pkm.AltForm, moveTutor: true, Version: Version, LVL: true, specialTutors: true, Machine: true, MoveReminder: true, RemoveTransferHM: false, Generation: Generation);
// Moves from Species or any species after in the evolution phase
evomoves.AddRange(moves);
}
return(evomoves);
}
internal static IEnumerable <int> GetExclusivePreEvolutionMoves(PKM pkm, int Species, IReadOnlyList <EvoCriteria> evoChain, int Generation, GameVersion Version)
{
var preevomoves = new List <int>();
var evomoves = new List <int>();
var index = EvolutionChain.GetEvoChainSpeciesIndex(evoChain, Species);
for (int i = 0; i < evoChain.Count; i++)
{
var evo = evoChain[i];
var moves = GetMoves(pkm, evo.Species, 1, 1, evo.Level, pkm.AltForm, moveTutor: true, Version: Version, LVL: true, specialTutors: true, Machine: true, MoveReminder: true, RemoveTransferHM: false, Generation: Generation);
var list = i >= index ? preevomoves : evomoves;
list.AddRange(moves);
}
return(preevomoves.Except(evomoves).Distinct());
}
