PKHeX/PKHeX.Core/Legality/LearnSource/Sources/LearnSource2GS.cs

112 lines
3.7 KiB
C#

using System;
using System.Diagnostics.CodeAnalysis;
using static PKHeX.Core.LearnMethod;
using static PKHeX.Core.LearnEnvironment;
using static PKHeX.Core.LearnSource2;
namespace PKHeX.Core;
/// <summary>
/// Exposes information about how moves are learned in <see cref="GS"/>.
/// </summary>
public sealed class LearnSource2GS : ILearnSource, IEggSource
{
public static readonly LearnSource2GS Instance = new();
private static readonly PersonalTable2 Personal = PersonalTable.GS;
private static readonly EggMoves2[] EggMoves = Legal.EggMovesGS;
private static readonly Learnset[] Learnsets = Legal.LevelUpGS;
private const int MaxSpecies = Legal.MaxSpeciesID_2;
private const LearnEnvironment Game = GS;
public Learnset GetLearnset(ushort species, byte form) => Learnsets[species];
public bool TryGetPersonal(ushort species, byte form, [NotNullWhen(true)] out PersonalInfo? pi)
{
pi = null;
if ((uint)species > MaxSpecies)
return false;
pi = Personal[species];
return true;
}
public bool GetIsEggMove(ushort species, byte form, ushort move)
{
if ((uint)species > MaxSpecies)
return false;
var moves = EggMoves[species];
return moves.GetHasEggMove(move);
}
public ReadOnlySpan<ushort> GetEggMoves(ushort species, byte form)
{
if ((uint)species > MaxSpecies)
return ReadOnlySpan<ushort>.Empty;
return EggMoves[species].Moves;
}
public MoveLearnInfo GetCanLearn(PKM pk, PersonalInfo pi, EvoCriteria evo, ushort move, MoveSourceType types = MoveSourceType.All, LearnOption option = LearnOption.Current)
{
if (types.HasFlagFast(MoveSourceType.Machine) && GetIsTM(pi, move))
return new(TMHM, Game);
if (types.HasFlagFast(MoveSourceType.LevelUp))
{
var learn = GetLearnset(evo.Species, evo.Form);
var level = learn.GetLevelLearnMove(move);
if (level != -1 && evo.LevelMin <= level && level <= evo.LevelMax)
return new(LevelUp, Game, (byte)level);
}
return default;
}
private static bool GetIsTM(PersonalInfo info, ushort move)
{
var index = Array.IndexOf(TMHM_GSC, move);
if (index == -1)
return false;
return info.TMHM[index];
}
public void GetAllMoves(Span<bool> result, PKM pk, EvoCriteria evo, MoveSourceType types = MoveSourceType.All)
{
if (!TryGetPersonal(evo.Species, evo.Form, out var pi))
return;
if (types.HasFlagFast(MoveSourceType.LevelUp))
{
bool removeVC = pk.Format == 1 || pk.VC1;
var learn = GetLearnset(evo.Species, evo.Form);
var min = ParseSettings.AllowGen2MoveReminder(pk) ? 1 : evo.LevelMin;
(bool hasMoves, int start, int end) = learn.GetMoveRange(evo.LevelMax, min);
if (hasMoves)
{
var moves = learn.Moves;
for (int i = end; i >= start; i--)
{
var move = moves[i];
if (!removeVC || move < Legal.MaxMoveID_1)
result[move] = true;
}
}
}
if (types.HasFlagFast(MoveSourceType.Machine))
{
var flags = pi.TMHM;
var moves = TMHM_GSC;
for (int i = 0; i < moves.Length; i++)
{
if (flags[i])
result[moves[i]] = true;
}
}
}
public static void GetEncounterMoves(IEncounterTemplate enc, Span<ushort> init)
{
var species = enc.Species;
var learn = Learnsets[species];
learn.SetEncounterMoves(enc.LevelMin, init);
}
}