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PKHeX/PKHeX.Core/Legality/Moves/MoveEgg.cs

122 lines
4.9 KiB
C#

using System;
using System.Collections.Generic;
using static PKHeX.Core.Legal;
using static PKHeX.Core.GameVersion;
namespace PKHeX.Core
{
public static class MoveEgg
{
public static int[] GetEggMoves(PersonalInfo pi, int species, int form, GameVersion version, int generation)
{
if (species > GetMaxSpeciesOrigin(generation, version))
return Array.Empty<int>();
if (pi.Genderless && !FixedGenderFromBiGender.Contains(species))
return Array.Empty<int>();
if (!Breeding.CanGameGenerateEggs(version))
return Array.Empty<int>();
return GetEggMoves(generation, species, form, version);
}
public static int[] GetEggMoves(int generation, int species, int form, GameVersion version) => generation switch
{
1 or 2 => GetMovesSafe(version == C ? EggMovesC : EggMovesGS, species),
3 => GetMovesSafe(EggMovesRS, species),
4 when version is D or P or Pt => GetMovesSafe(EggMovesDPPt, species),
4 when version is HG or SS => GetMovesSafe(EggMovesHGSS, species),
5 => GetMovesSafe(EggMovesBW, species),
6 when version is X or Y => GetMovesSafe(EggMovesXY, species),
6 when version is OR or AS => GetMovesSafe(EggMovesAO, species),
7 when version is SN or MN => GetFormEggMoves(species, form, EggMovesSM),
7 when version is US or UM => GetFormEggMoves(species, form, EggMovesUSUM),
8 when version is SW or SH => GetFormEggMoves(species, form, EggMovesSWSH),
8 when version is BD or SP => GetMovesSafe(EggMovesBDSP, species),
_ => Array.Empty<int>(),
};
private static int[] GetMovesSafe<T>(IReadOnlyList<T> moves, int species) where T : EggMoves
{
if ((uint)species >= moves.Count)
return Array.Empty<int>();
return moves[species].Moves;
}
private static int[] GetFormEggMoves(int species, int form, IReadOnlyList<EggMoves7> table)
{
if ((uint)species >= table.Count)
return Array.Empty<int>();
var entry = table[species];
if (form <= 0 || entry.FormTableIndex <= species)
return entry.Moves;
// Sanity check form in the event it is out of range.
var baseIndex = entry.FormTableIndex;
var index = baseIndex + form - 1;
if ((uint)index >= table.Count)
return Array.Empty<int>();
entry = table[index];
if (entry.FormTableIndex != baseIndex)
return Array.Empty<int>();
return entry.Moves;
}
internal static int[] GetRelearnLVLMoves(PKM pkm, int species, int form, int lvl, GameVersion version = Any)
{
if (version == Any)
version = (GameVersion)pkm.Version;
// A pkm can only have levelup relearn moves from the game it originated on
// eg Plusle/Minun have Charm/Fake Tears (respectively) only in OR/AS, not X/Y
return version switch
{
X or Y => getMoves(LevelUpXY, PersonalTable.XY),
OR or AS => getMoves(LevelUpAO, PersonalTable.AO),
SN or MN when species <= MaxSpeciesID_7 => getMoves(LevelUpSM, PersonalTable.SM),
US or UM => getMoves(LevelUpUSUM, PersonalTable.USUM),
SW or SH => getMoves(LevelUpSWSH, PersonalTable.SWSH),
BD or SP => getMoves(LevelUpBDSP, PersonalTable.BDSP),
PLA => getMoves(LevelUpLA, PersonalTable.LA),
_ => Array.Empty<int>(),
};
int[] getMoves(IReadOnlyList<Learnset> moves, PersonalTable table) => moves[table.GetFormIndex(species, form)].GetMoves(lvl);
}
public static bool GetIsSharedEggMove(PKM pkm, int gen, int move)
{
if (gen < 8 || pkm.IsEgg)
return false;
var egg = GetSharedEggMoves(pkm, gen);
return Array.IndexOf(egg, move) >= 0;
}
public static int[] GetSharedEggMoves(PKM pkm, int gen)
{
if (gen < 8 || pkm.IsEgg)
return Array.Empty<int>();
if (pkm is PB8 pb)
{
var entry = (PersonalInfoBDSP)pb.PersonalInfo;
var baseSpecies = entry.HatchSpecies;
var baseForm = entry.HatchFormIndex;
return GetEggMoves(8, baseSpecies, baseForm, BD);
}
if (pkm is PK8 pk)
{
var entry = (PersonalInfoSWSH)pk.PersonalInfo;
var baseSpecies = entry.HatchSpecies;
var baseForm = entry.HatchFormIndexEverstone;
return GetEggMoves(8, baseSpecies, baseForm, SW);
}
return Array.Empty<int>();
}
}
}