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

63 lines
2.3 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 ushort[] GetEggMoves(ushort species, byte form, GameVersion version, int generation)
{
if (!Breeding.CanGameGenerateEggs(version))
return Array.Empty<ushort>();
return GetEggMoves(generation, species, form, version);
}
public static ushort[] GetEggMoves(int generation, ushort species, byte 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<ushort>(),
};
private static ushort[] GetMovesSafe<T>(IReadOnlyList<T> moves, ushort species) where T : EggMoves
{
if (species >= moves.Count)
return Array.Empty<ushort>();
return moves[species].Moves;
}
public static ushort[] GetFormEggMoves(ushort species, byte form, IReadOnlyList<EggMoves7> table)
{
if (species >= table.Count)
return Array.Empty<ushort>();
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<ushort>();
entry = table[index];
if (entry.FormTableIndex != baseIndex)
return Array.Empty<ushort>();
return entry.Moves;
}
}