PKHeX/PKHeX.Core/Legality/Core.cs
Kurt 5579c4c80d Tidy up MoveLevelUp
use the Learn objects from prior commits for adding a range of moves
2018-06-13 22:03:58 -07:00

1569 lines
77 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using static PKHeX.Core.Encounters1;
using static PKHeX.Core.Encounters2;
using static PKHeX.Core.Encounters3;
using static PKHeX.Core.Encounters4;
using static PKHeX.Core.Encounters5;
using static PKHeX.Core.Encounters6;
using static PKHeX.Core.Encounters7;
using static PKHeX.Core.LegalityCheckStrings;
namespace PKHeX.Core
{
public static partial class Legal
{
/// <summary>Setting to specify if an analysis should permit data sourced from the physical cartridge era of GameBoy games.</summary>
public static bool AllowGBCartEra { get; set; }
public static bool AllowGen1Tradeback { get; set; }
public static bool AllowGen2Crystal(bool Korean) => !Korean; // Pokemon Crystal was never released in Korea
public static bool AllowGen2Crystal(PKM pkm) => AllowGen2Crystal(pkm.Korean);
public static bool AllowGen2MoveReminder(PKM pkm) => !pkm.Korean && AllowGBCartEra; // Pokemon Stadium 2 was never released in Korea
public static bool CheckWordFilter { get; set; } = true;
public static int SavegameLanguage { get; set; }
/// <summary> e-Reader Berry originates from a Japanese SaveFile </summary>
public static bool SavegameJapanese { get; set; }
/// <summary> e-Reader Berry is Enigma or special berry </summary>
public static bool EReaderBerryIsEnigma { get; set; } = true;
/// <summary> e-Reader Berry Name </summary>
public static string EReaderBerryName { get; set; } = string.Empty;
/// <summary> e-Reader Berry Name formatted in Title Case </summary>
public static string EReaderBerryDisplayName => string.Format(V372, Util.ToTitleCase(EReaderBerryName.ToLower()));
public static string Savegame_OT { private get; set; } = string.Empty;
public static int Savegame_TID { private get; set; }
public static int Savegame_SID { private get; set; }
public static int Savegame_Gender { private get; set; }
public static GameVersion Savegame_Version { private get; set; } = GameVersion.Any;
// Gen 1
internal static readonly Learnset[] LevelUpRB = Learnset1.GetArray(Util.GetBinaryResource("lvlmove_rb.pkl"), MaxSpeciesID_1);
internal static readonly Learnset[] LevelUpY = Learnset1.GetArray(Util.GetBinaryResource("lvlmove_y.pkl"), MaxSpeciesID_1);
// Gen 2
internal static readonly EggMoves[] EggMovesGS = EggMoves2.GetArray(Util.GetBinaryResource("eggmove_gs.pkl"), MaxSpeciesID_2);
internal static readonly Learnset[] LevelUpGS = Learnset1.GetArray(Util.GetBinaryResource("lvlmove_gs.pkl"), MaxSpeciesID_2);
internal static readonly EggMoves[] EggMovesC = EggMoves2.GetArray(Util.GetBinaryResource("eggmove_c.pkl"), MaxSpeciesID_2);
internal static readonly Learnset[] LevelUpC = Learnset1.GetArray(Util.GetBinaryResource("lvlmove_c.pkl"), MaxSpeciesID_2);
// Gen 3
internal static readonly Learnset[] LevelUpE = Learnset6.GetArray(Data.UnpackMini(Util.GetBinaryResource("lvlmove_e.pkl"), "em"));
internal static readonly Learnset[] LevelUpRS = Learnset6.GetArray(Data.UnpackMini(Util.GetBinaryResource("lvlmove_rs.pkl"), "rs"));
internal static readonly Learnset[] LevelUpFR = Learnset6.GetArray(Data.UnpackMini(Util.GetBinaryResource("lvlmove_fr.pkl"), "fr"));
internal static readonly Learnset[] LevelUpLG = Learnset6.GetArray(Data.UnpackMini(Util.GetBinaryResource("lvlmove_lg.pkl"), "lg"));
internal static readonly EggMoves[] EggMovesRS = EggMoves6.GetArray(Data.UnpackMini(Util.GetBinaryResource("eggmove_rs.pkl"), "rs"));
// Gen 4
internal static readonly Learnset[] LevelUpDP = Learnset6.GetArray(Data.UnpackMini(Util.GetBinaryResource("lvlmove_dp.pkl"), "dp"));
internal static readonly Learnset[] LevelUpPt = Learnset6.GetArray(Data.UnpackMini(Util.GetBinaryResource("lvlmove_pt.pkl"), "pt"));
internal static readonly Learnset[] LevelUpHGSS = Learnset6.GetArray(Data.UnpackMini(Util.GetBinaryResource("lvlmove_hgss.pkl"), "hs"));
internal static readonly EggMoves[] EggMovesDPPt = EggMoves6.GetArray(Data.UnpackMini(Util.GetBinaryResource("eggmove_dppt.pkl"), "dp"));
internal static readonly EggMoves[] EggMovesHGSS = EggMoves6.GetArray(Data.UnpackMini(Util.GetBinaryResource("eggmove_hgss.pkl"), "hs"));
// Gen 5
internal static readonly Learnset[] LevelUpBW = Learnset6.GetArray(Data.UnpackMini(Util.GetBinaryResource("lvlmove_bw.pkl"), "51"));
internal static readonly Learnset[] LevelUpB2W2 = Learnset6.GetArray(Data.UnpackMini(Util.GetBinaryResource("lvlmove_b2w2.pkl"), "52"));
internal static readonly EggMoves[] EggMovesBW = EggMoves6.GetArray(Data.UnpackMini(Util.GetBinaryResource("eggmove_bw.pkl"), "bw"));
// Gen 6
internal static readonly EggMoves[] EggMovesXY = EggMoves6.GetArray(Data.UnpackMini(Util.GetBinaryResource("eggmove_xy.pkl"), "xy"));
internal static readonly Learnset[] LevelUpXY = Learnset6.GetArray(Data.UnpackMini(Util.GetBinaryResource("lvlmove_xy.pkl"), "xy"));
internal static readonly EggMoves[] EggMovesAO = EggMoves6.GetArray(Data.UnpackMini(Util.GetBinaryResource("eggmove_ao.pkl"), "ao"));
internal static readonly Learnset[] LevelUpAO = Learnset6.GetArray(Data.UnpackMini(Util.GetBinaryResource("lvlmove_ao.pkl"), "ao"));
// Gen 7
internal static readonly EggMoves[] EggMovesSM = EggMoves7.GetArray(Data.UnpackMini(Util.GetBinaryResource("eggmove_sm.pkl"), "sm"));
internal static readonly Learnset[] LevelUpSM = Learnset6.GetArray(Data.UnpackMini(Util.GetBinaryResource("lvlmove_sm.pkl"), "sm"));
internal static readonly EggMoves[] EggMovesUSUM = EggMoves7.GetArray(Data.UnpackMini(Util.GetBinaryResource("eggmove_uu.pkl"), "uu"));
internal static readonly Learnset[] LevelUpUSUM = Learnset6.GetArray(Data.UnpackMini(Util.GetBinaryResource("lvlmove_uu.pkl"), "uu"));
// Setup Help
static Legal()
{
// Misc Fixes to Data pertaining to legality constraints
EggMovesUSUM[198].Moves = EggMovesUSUM[198].Moves.Take(15).ToArray(); // Remove Punishment from USUM Murkrow (no species can pass it #1829)
}
public static void RefreshMGDB(string localDbPath) => EncounterEvent.RefreshMGDB(localDbPath);
// Moves
internal static int[] GetMinLevelLearnMoveG1(int species, List<int> moves)
{
var r = new int[moves.Count];
int index = PersonalTable.RB.GetFormeIndex(species, 0);
if (index == 0)
return r;
var pi_rb = ((PersonalInfoG1)PersonalTable.RB[index]).Moves;
var pi_y = ((PersonalInfoG1)PersonalTable.Y[index]).Moves;
for (int m = 0; m < moves.Count; m++)
{
if (pi_rb.Contains(moves[m]) || pi_y.Contains(moves[m]))
r[m] = 1;
else
{
var rb_level = LevelUpRB[index].GetLevelLearnMove(moves[m]);
var y_level = LevelUpY[index].GetLevelLearnMove(moves[m]);
// < 0 means it is not learned in that game, select the other game
if (rb_level < 0)
r[m] = y_level;
else if (y_level < 0)
r[m] = rb_level;
else
r[m] = Math.Min(rb_level, y_level);
}
}
return r;
}
internal static int[] GetMaxLevelLearnMoveG1(int species, List<int> moves)
{
var r = new int[moves.Count];
int index = PersonalTable.RB.GetFormeIndex(species, 0);
if (index == 0)
return r;
var pi_rb = ((PersonalInfoG1)PersonalTable.RB[index]).Moves;
var pi_y = ((PersonalInfoG1)PersonalTable.Y[index]).Moves;
for (int m = 0; m < moves.Count; m++)
{
bool start = pi_rb.Contains(moves[m]) && pi_y.Contains(moves[m]);
r[m] = start ? 1 : Math.Max(GetHighest(LevelUpRB), GetHighest(LevelUpY));
int GetHighest(IReadOnlyList<Learnset> learn) => learn[index].GetLevelLearnMove(moves[m]);
}
return r;
}
internal static List<int>[] GetExclusiveMovesG1(int species1, int species2, IEnumerable<int> tmhm, IEnumerable<int> moves)
{
// Return from two species the exclusive moves that only one could learn and also the current pokemon have it in its current moveset
var moves1 = MoveLevelUp.GetMovesLevelUp1(species1, 1, 100);
var moves2 = MoveLevelUp.GetMovesLevelUp1(species2, 1, 100);
// Remove common moves and remove tmhm, remove not learned moves
var common = new HashSet<int>(moves1.Intersect(moves2).Concat(tmhm));
var hashMoves = new HashSet<int>(moves);
moves1.RemoveAll(x => !hashMoves.Contains(x) || common.Contains(x));
moves2.RemoveAll(x => !hashMoves.Contains(x) || common.Contains(x));
return new[] { moves1, moves2 };
}
internal static List<int>[] GetValidMovesAllGens(PKM pkm, DexLevel[][] evoChains, int minLvLG1 = 1, int minLvLG2 = 1, bool LVL = true, bool Tutor = true, bool Machine = true, bool MoveReminder = true, bool RemoveTransferHM = true)
{
List<int>[] Moves = new List<int>[evoChains.Length];
for (int i = 1; i < evoChains.Length; i++)
if (evoChains[i].Length != 0)
Moves[i] = GetValidMoves(pkm, evoChains[i], i, minLvLG1, minLvLG2, LVL, Tutor, Machine, MoveReminder, RemoveTransferHM).ToList();
else
Moves[i] = new List<int>();
return Moves;
}
internal static IEnumerable<int> GetValidMoves(PKM pkm, IList<DexLevel>[] evoChains, bool LVL = true, bool Tutor = true, bool Machine = true, bool MoveReminder = true, bool RemoveTransferHM = true)
{
GameVersion version = (GameVersion)pkm.Version;
if (!pkm.IsUntraded)
version = GameVersion.Any;
return GetValidMoves(pkm, version, evoChains, minLvLG1: 1, minLvLG2: 1, LVL: LVL, Relearn: false, Tutor: Tutor, Machine: Machine, MoveReminder: MoveReminder, RemoveTransferHM: RemoveTransferHM);
}
internal static IEnumerable<int> GetValidMoves(PKM pkm, IList<DexLevel> evoChain, int generation, int minLvLG1 = 1, int minLvLG2 = 1, bool LVL = true, bool Tutor = true, bool Machine = true, bool MoveReminder = true, bool RemoveTransferHM = true)
{
GameVersion version = (GameVersion)pkm.Version;
if (!pkm.IsUntraded)
version = GameVersion.Any;
return GetValidMoves(pkm, version, evoChain, generation, minLvLG1: minLvLG1, minLvLG2: minLvLG2, LVL: LVL, Relearn: false, Tutor: Tutor, Machine: Machine, MoveReminder: MoveReminder, RemoveTransferHM: RemoveTransferHM);
}
internal static IEnumerable<int> GetValidRelearn(PKM pkm, int species, bool inheritlvlmoves, GameVersion version = GameVersion.Any)
{
List<int> r = new List<int> { 0 };
if (pkm.GenNumber < 6 || pkm.VC)
return r;
r.AddRange(MoveEgg.GetRelearnLVLMoves(pkm, species, 1, pkm.AltForm, version));
int form = pkm.AltForm;
if (pkm.Format == 6 && pkm.Species != 678)
form = 0;
r.AddRange(GetEggMoves(pkm, species, form, version));
if (inheritlvlmoves)
r.AddRange(MoveEgg.GetRelearnLVLMoves(pkm, species, 100, pkm.AltForm, version));
return r.Distinct();
}
internal static IList<int> GetShedinjaEvolveMoves(PKM pkm, int lvl = -1, int generation = 0)
{
if (lvl == -1)
lvl = pkm.CurrentLevel;
if (pkm.Species != 292 || lvl < 20)
return new List<int>();
// If nincada evolves into Ninjask an learn in the evolution a move from ninjask learnset pool
// Shedinja would appear with that move learned. Only one move above level 20 allowed, only in generations 3 and 4
switch (generation)
{
case 0: // Default (both)
case 3: // Ninjask have the same learnset in every gen 3 games
if (pkm.InhabitedGeneration(3))
return LevelUpE[291].GetMoves(lvl, 20).ToList();
if (generation == 0)
goto case 4;
break;
case 4: // Ninjask have the same learnset in every gen 4 games
if (pkm.InhabitedGeneration(4))
return LevelUpPt[291].GetMoves(lvl, 20);
break;
}
return new List<int>();
}
internal static int GetShedinjaMoveLevel(int species, int move, int generation)
{
var src = generation == 4 ? LevelUpPt : LevelUpE;
var moves = src[species];
return moves.GetLevelLearnMove(move);
}
internal static int[] GetBaseEggMoves(PKM pkm, int species, GameVersion gameSource, int lvl)
{
if (gameSource == GameVersion.Any)
gameSource = (GameVersion) pkm.Version;
switch (gameSource)
{
case GameVersion.GSC:
case GameVersion.GS:
// If checking back-transfer specimen (GSC->RBY), remove moves that must be deleted prior to transfer
int[] getRBYCompatibleMoves(int[] moves) => pkm.Format == 1 ? moves.Where(m => m <= MaxMoveID_1).ToArray() : moves;
if (pkm.InhabitedGeneration(2))
return getRBYCompatibleMoves(LevelUpGS[species].GetMoves(lvl));
break;
case GameVersion.C:
if (pkm.InhabitedGeneration(2))
return getRBYCompatibleMoves(LevelUpC[species].GetMoves(lvl));
break;
case GameVersion.R:
case GameVersion.S:
case GameVersion.RS:
if (pkm.InhabitedGeneration(3))
return LevelUpRS[species].GetMoves(lvl);
break;
case GameVersion.E:
if (pkm.InhabitedGeneration(3))
return LevelUpE[species].GetMoves(lvl);
break;
case GameVersion.FR:
case GameVersion.LG:
case GameVersion.FRLG:
// only difference in FR/LG is deoxys which doesn't breed.
if (pkm.InhabitedGeneration(3))
return LevelUpFR[species].GetMoves(lvl);
break;
case GameVersion.D:
case GameVersion.P:
case GameVersion.DP:
if (pkm.InhabitedGeneration(4))
return LevelUpDP[species].GetMoves(lvl);
break;
case GameVersion.Pt:
if (pkm.InhabitedGeneration(4))
return LevelUpPt[species].GetMoves(lvl);
break;
case GameVersion.HG:
case GameVersion.SS:
case GameVersion.HGSS:
if (pkm.InhabitedGeneration(4))
return LevelUpHGSS[species].GetMoves(lvl);
break;
case GameVersion.B:
case GameVersion.W:
case GameVersion.BW:
if (pkm.InhabitedGeneration(5))
return LevelUpBW[species].GetMoves(lvl);
break;
case GameVersion.B2:
case GameVersion.W2:
case GameVersion.B2W2:
if (pkm.InhabitedGeneration(5))
return LevelUpB2W2[species].GetMoves(lvl);
break;
case GameVersion.X:
case GameVersion.Y:
case GameVersion.XY:
if (pkm.InhabitedGeneration(6))
return LevelUpXY[species].GetMoves(lvl);
break;
case GameVersion.AS:
case GameVersion.OR:
case GameVersion.ORAS:
if (pkm.InhabitedGeneration(6))
return LevelUpAO[species].GetMoves(lvl);
break;
case GameVersion.SN:
case GameVersion.MN:
case GameVersion.SM:
if (species > MaxSpeciesID_7)
break;
if (pkm.InhabitedGeneration(7))
{
int index = PersonalTable.SM.GetFormeIndex(species, pkm.AltForm);
return LevelUpSM[index].GetMoves(lvl);
}
break;
case GameVersion.US:
case GameVersion.UM:
case GameVersion.USUM:
if (pkm.InhabitedGeneration(7))
{
int index = PersonalTable.USUM.GetFormeIndex(species, pkm.AltForm);
return LevelUpUSUM[index].GetMoves(lvl);
}
break;
}
return new int[0];
}
internal static List<int> GetValidPostEvolutionMoves(PKM pkm, int Species, DexLevel[][] evoChains, GameVersion Version)
{
// Return moves that the pokemon could learn after evolving
var moves = new List<int>();
for (int i = 1; i < evoChains.Length; i++)
if (evoChains[i].Length != 0)
moves.AddRange(GetValidPostEvolutionMoves(pkm, Species, evoChains[i], i, Version));
if (pkm.GenNumber >= 6)
moves.AddRange(pkm.RelearnMoves.Where(m => m != 0));
return moves.Distinct().ToList();
}
private static List<int> GetValidPostEvolutionMoves(PKM pkm, int Species, DexLevel[] evoChain, int Generation, GameVersion Version)
{
var evomoves = new List<int>();
var index = Array.FindIndex(evoChain, e => e.Species == 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, DexLevel[] evoChain, int Generation, GameVersion Version)
{
var preevomoves = new List<int>();
var evomoves = new List<int>();
var index = Array.FindIndex(evoChain, e => e.Species == Species);
for (int i = 0; i < evoChain.Length; 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();
}
// Encounter
internal static IEnumerable<GameVersion> GetGen2Versions(LegalInfo Info)
{
if (AllowGen2Crystal(Info.Korean) && Info.Game == GameVersion.C)
yield return GameVersion.C;
// Any encounter marked with version GSC is for pokemon with the same moves in GS and C
// it is sufficient to check just GS's case
yield return GameVersion.GS;
}
internal static IEnumerable<GameVersion> GetGen1Versions(LegalInfo Info)
{
if (Info.EncounterMatch.Species == 133 && Info.Game == GameVersion.Stadium)
{
// Stadium Eevee; check for RB and yellow initial moves
yield return GameVersion.RB;
yield return GameVersion.YW;
}
else if (Info.Game == GameVersion.YW)
yield return GameVersion.YW;
// Any encounter marked with version RBY is for pokemon with the same moves and catch rate in RB and Y,
// it is sufficient to check just RB's case
yield return GameVersion.RB;
}
internal static IEnumerable<int> GetInitialMovesGBEncounter(int species, int lvl, GameVersion ver)
{
int[] InitialMoves;
int[] LevelUpMoves;
int diff;
switch (ver)
{
case GameVersion.YW:
case GameVersion.RD:
case GameVersion.BU:
case GameVersion.GN:
case GameVersion.RB:
{
var LevelTable = ver == GameVersion.YW ? LevelUpY : LevelUpRB;
int index = PersonalTable.RB.GetFormeIndex(species, 0);
if (index == 0)
return Enumerable.Empty<int>();
LevelUpMoves = LevelTable[species].GetEncounterMoves(lvl);
diff = 4 - LevelUpMoves.Count(z => z != 0);
if (diff == 0)
return LevelUpMoves;
var table = ver == GameVersion.YW ? PersonalTable.Y : PersonalTable.RB;
InitialMoves = ((PersonalInfoG1)table[index]).Moves;
break;
}
case GameVersion.C:
case GameVersion.GD:
case GameVersion.SV:
case GameVersion.GS:
{
if (species == 235)
return new[] { 166 }; // Smeargle only learns Sketch, is duplicated in the level up tables
var LevelTable = ver == GameVersion.C ? LevelUpC : LevelUpGS;
int index = PersonalTable.C.GetFormeIndex(species, 0);
if (index == 0)
return Enumerable.Empty<int>();
LevelUpMoves = LevelTable[species].GetEncounterMoves(lvl);
diff = 4 - LevelUpMoves.Count(z => z != 0);
if (diff == 0)
return LevelUpMoves;
// Level Up 1 moves are initial moves, it can be duplicated in levels 2-100
InitialMoves = LevelTable[species].GetEncounterMoves(1);
break;
}
default:
return Enumerable.Empty<int>();
}
// Initial Moves could be duplicated in the level up table
// level up table moves have preference
var moves = InitialMoves.Where(p => p != 0).Except(LevelUpMoves).ToList();
// If all of the personal table moves can't be included, the last moves have preference.
int pop = moves.Count - diff;
if (pop > 0)
moves.RemoveRange(0, pop);
// The order for the pokemon default moves are first moves from personal table and then moves from level up table
return moves.Union(LevelUpMoves).ToArray();
}
internal static int GetRequiredMoveCount(PKM pk, int[] moves, LegalInfo info, int[] initialmoves)
{
if (pk.Format != 1 || !pk.Gen1_NotTradeback) // No Move Deleter in Gen 1
return 1; // Move Deleter exits, slots from 2 onwards can allways be empty
int required = GetRequiredMoveCount(pk, moves, info.EncounterMoves.LevelUpMoves, initialmoves);
if (required >= 4)
return 4;
// tm, hm and tutor moves replace a free slots if the pokemon have less than 4 moves
// Ignore tm, hm and tutor moves already in the learnset table
var learn = info.EncounterMoves.LevelUpMoves;
var tmhm = info.EncounterMoves.TMHMMoves;
var tutor = info.EncounterMoves.TutorMoves;
var union = initialmoves.Union(learn[1]);
required += moves.Count(m => m != 0 && union.All(t => t != m) && (tmhm[1].Any(t => t == m) || tutor[1].Any(t => t == m)));
return Math.Min(4, required);
}
private static int GetRequiredMoveCount(PKM pk, int[] moves, List<int>[] learn, int[] initialmoves)
{
if (SpecialMinMoveSlots.Contains(pk.Species))
return GetRequiredMoveCountSpecial(pk, moves, learn);
// A pokemon is captured with initial moves and can't forget any until have all 4 slots used
// If it has learn a move before having 4 it will be in one of the free slots
int required = GetRequiredMoveSlotsRegular(pk, moves, learn, initialmoves);
return required != 0 ? required : GetRequiredMoveCountDecrement(pk, moves, learn, initialmoves);
}
private static int GetRequiredMoveSlotsRegular(PKM pk, int[] moves, List<int>[] learn, int[] initialmoves)
{
int species = pk.Species;
int catch_rate = ((PK1) pk).Catch_Rate;
// Caterpie and Metapod evolution lines have different count of possible slots available if captured in different evolutionary phases
// Example: a level 7 caterpie evolved into metapod will have 3 learned moves, a captured metapod will have only 1 move
if ((species == 011 || species == 012) && catch_rate == 120)
{
// Captured as Metapod without Caterpie moves
return initialmoves.Union(learn[1]).Distinct().Count(lm => lm != 0 && !G1CaterpieMoves.Contains(lm));
// There is no valid Butterfree encounter in generation 1 games
}
if ((species == 014 || species == 015) && (catch_rate == 45 || catch_rate == 120))
{
if (species == 15 && catch_rate == 45) // Captured as Beedril without Weedle and Kakuna moves
return initialmoves.Union(learn[1]).Distinct().Count(lm => lm != 0 && !G1KakunaMoves.Contains(lm));
// Captured as Kakuna without Weedle moves
return initialmoves.Union(learn[1]).Distinct().Count(lm => lm != 0 && !G1WeedleMoves.Contains(lm));
}
return IsMoveCountRequired3(species, pk.CurrentLevel, moves) ? 3 : 0; // no match
}
private static bool IsMoveCountRequired3(int species, int level, int[] moves)
{
// Species that evolve and learn the 4th move as evolved species at a greather level than base species
// The 4th move is included in the level up table set as a preevolution move,
// it should be removed from the used slots count if is not the learn move
switch (species)
{
case 017: return level < 21 && !moves.Contains(018); // Pidgeotto without Whirlwind
case 028: return level < 27 && !moves.Contains(040); // Sandslash without Poison Sting
case 047: return level < 30 && !moves.Contains(147); // Parasect without Spore
case 055: return level < 39 && !moves.Contains(093); // Golduck without Confusion
case 087: return level < 44 && !moves.Contains(156); // Dewgong without Rest
case 093:
case 094: return level < 29 && !moves.Contains(095); // Haunter/Gengar without Hypnosis
case 110: return level < 39 && !moves.Contains(108); // Weezing without Smoke Screen
}
return false;
}
private static int GetRequiredMoveCountDecrement(PKM pk, int[] moves, List<int>[] learn, int[] initialmoves)
{
int usedslots = initialmoves.Union(learn[1]).Where(m => m != 0).Distinct().Count();
switch (pk.Species)
{
case 031: // Venonat; ignore Venomoth (by the time Venonat evolves it will always have 4 moves)
if (pk.CurrentLevel >= 11 && !moves.Contains(48)) // Supersonic
usedslots--;
if (pk.CurrentLevel >= 19 && !moves.Contains(93)) // Confusion
usedslots--;
break;
case 064: case 065: // Abra & Kadabra
int catch_rate = ((PK1) pk).Catch_Rate;
if (catch_rate != 100)// Initial Yellow Kadabra Kinesis (move 134)
usedslots--;
if (catch_rate == 200 && pk.CurrentLevel < 20) // Kadabra Disable, not learned until 20 if captured as Abra (move 50)
usedslots--;
break;
case 104: case 105: // Cubone & Marowak
if (!moves.Contains(39)) // Initial Yellow Tail Whip
usedslots--;
if (!moves.Contains(125)) // Initial Yellow Bone Club
usedslots--;
if (pk.Species == 105 && pk.CurrentLevel < 33 && !moves.Contains(116)) // Marowak evolved without Focus Energy
usedslots--;
break;
case 113:
if (!moves.Contains(39)) // Yellow Initial Tail Whip
usedslots--;
if (!moves.Contains(3)) // Yellow Lvl 12 and Initial Red/Blue Double Slap
usedslots--;
break;
case 056 when pk.CurrentLevel >= 9 && !moves.Contains(67): // Mankey (Low Kick)
case 127 when pk.CurrentLevel >= 21 && !moves.Contains(20): // Pinsir (Bind)
case 130 when pk.CurrentLevel < 32: // Gyarados
usedslots--;
break;
}
return usedslots;
}
private static int GetRequiredMoveCountSpecial(PKM pk, int[] moves, List<int>[] learn)
{
// Species with few mandatory slots, species with stone evolutions that could evolve at lower level and do not learn any more moves
// and Pikachu and Nidoran family, those only have mandatory the initial moves and a few have one level up moves,
// every other move could be avoided switching game or evolving
var mandatory = GetRequiredMoveCountLevel(pk);
switch (pk.Species)
{
case 103 when pk.CurrentLevel >= 28: // Exeggutor
// At level 28 learn different move if is a Exeggute or Exeggutor
if (moves.Contains(73))
mandatory.Add(73); // Leech Seed level 28 Exeggute
if (moves.Contains(23))
mandatory.Add(23); // Stomp level 28 Exeggutor
break;
case 25 when pk.CurrentLevel >= 33:
mandatory.Add(97); // Pikachu always learns Agility
break;
case 114:
mandatory.Add(132); // Tangela always has Constrict as Initial Move
break;
}
// Add to used slots the non-mandatory moves from the learnset table that the pokemon have learned
return mandatory.Count + moves.Count(m => m != 0 && mandatory.All(l => l != m) && learn[1].Any(t => t == m));
}
private static List<int> GetRequiredMoveCountLevel(PKM pk)
{
int species = pk.Species;
int basespecies = GetBaseSpecies(pk);
int maxlevel = 1;
int minlevel = 1;
if (species == 114) // Tangela moves before level 32 are different in RB vs Y
{
minlevel = 32;
maxlevel = pk.CurrentLevel;
}
else if (029 <= species && species <= 034 && pk.CurrentLevel >= 8)
{
maxlevel = 8; // Always learns a third move at level 8
}
if (minlevel > pk.CurrentLevel)
return new List<int>();
return MoveLevelUp.GetMovesLevelUp1(basespecies, maxlevel, minlevel);
}
internal static bool GetWasEgg23(PKM pkm)
{
if (pkm.IsEgg)
return true;
if (pkm.Format > 2 && pkm.Ball != 4)
return false;
if (pkm.Format == 3)
return pkm.WasEgg;
int lvl = pkm.CurrentLevel;
if (lvl < 5)
return false;
if (pkm.Format > 3 && pkm.Met_Level < 5)
return false;
if (pkm.Format > 3 && pkm.FatefulEncounter)
return false;
return IsEvolutionValid(pkm);
}
// Generation Specific Fetching
internal static IEnumerable<EncounterStatic> GetEncounterStaticTable(PKM pkm, GameVersion gameSource = GameVersion.Any)
{
if (gameSource == GameVersion.Any)
gameSource = (GameVersion)pkm.Version;
switch (gameSource)
{
case GameVersion.RBY:
case GameVersion.RD:
case GameVersion.BU:
case GameVersion.GN:
case GameVersion.YW:
return StaticRBY;
case GameVersion.GSC:
case GameVersion.GD:
case GameVersion.SV:
case GameVersion.C:
return GetEncounterStaticTableGSC(pkm);
case GameVersion.R: return StaticR;
case GameVersion.S: return StaticS;
case GameVersion.E: return StaticE;
case GameVersion.FR: return StaticFR;
case GameVersion.LG: return StaticLG;
case GameVersion.CXD: return Encounter_CXD;
case GameVersion.D: return StaticD;
case GameVersion.P: return StaticP;
case GameVersion.Pt: return StaticPt;
case GameVersion.HG: return StaticHG;
case GameVersion.SS: return StaticSS;
case GameVersion.B: return StaticB;
case GameVersion.W: return StaticW;
case GameVersion.B2: return StaticB2;
case GameVersion.W2: return StaticW2;
case GameVersion.X: return StaticX;
case GameVersion.Y: return StaticY;
case GameVersion.AS: return StaticA;
case GameVersion.OR: return StaticO;
case GameVersion.SN: return StaticSN;
case GameVersion.MN: return StaticMN;
case GameVersion.US: return StaticUS;
case GameVersion.UM: return StaticUM;
default: return Enumerable.Empty<EncounterStatic>();
}
}
internal static IEnumerable<EncounterArea> GetEncounterTable(PKM pkm, GameVersion gameSource = GameVersion.Any)
{
if (gameSource == GameVersion.Any)
gameSource = (GameVersion)pkm.Version;
switch (gameSource)
{
case GameVersion.RBY:
case GameVersion.RD:
case GameVersion.BU:
case GameVersion.GN:
case GameVersion.YW:
return SlotsRBY;
case GameVersion.GSC:
case GameVersion.GD:
case GameVersion.SV:
case GameVersion.C:
return GetEncounterTableGSC(pkm);
case GameVersion.R: return SlotsR;
case GameVersion.S: return SlotsS;
case GameVersion.E: return SlotsE;
case GameVersion.FR: return SlotsFR;
case GameVersion.LG: return SlotsLG;
case GameVersion.CXD: return SlotsXD;
case GameVersion.D: return SlotsD;
case GameVersion.P: return SlotsP;
case GameVersion.Pt: return SlotsPt;
case GameVersion.HG: return SlotsHG;
case GameVersion.SS: return SlotsSS;
case GameVersion.B: return SlotsB;
case GameVersion.W: return SlotsW;
case GameVersion.B2: return SlotsB2;
case GameVersion.W2: return SlotsW2;
case GameVersion.X: return SlotsX;
case GameVersion.Y: return SlotsY;
case GameVersion.AS: return SlotsA;
case GameVersion.OR: return SlotsO;
case GameVersion.SN: return SlotsSN;
case GameVersion.MN: return SlotsMN;
case GameVersion.US: return SlotsUS;
case GameVersion.UM: return SlotsUM;
default: return Enumerable.Empty<EncounterArea>();
}
}
private static IEnumerable<EncounterStatic> GetEncounterStaticTableGSC(PKM pkm)
{
if (!AllowGen2Crystal(pkm))
return StaticGS;
if (pkm.Format != 2)
return StaticGSC;
if (pkm.HasOriginalMetLocation)
return StaticC;
return StaticGSC;
}
private static IEnumerable<EncounterArea> GetEncounterTableGSC(PKM pkm)
{
if (!AllowGen2Crystal(pkm))
return SlotsGS;
if (pkm.Format != 2)
// Gen 2 met location is lost outside gen 2 games
return SlotsGSC;
if (pkm.HasOriginalMetLocation)
// Format 2 with met location, encounter should be from Crystal
return SlotsC;
if (pkm.Species > 151 && !FutureEvolutionsGen1.Contains(pkm.Species))
// Format 2 without met location but pokemon could not be tradeback to gen 1,
// encounter should be from gold or silver
return SlotsGS;
// Encounter could be any gen 2 game, it can have empty met location for have a g/s origin
// or it can be a Crystal pokemon that lost met location after being tradeback to gen 1 games
return SlotsGSC;
}
internal static IEnumerable<int> GetLineage(PKM pkm)
{
if (pkm.IsEgg)
return new[] {pkm.Species};
var table = EvolutionTree.GetEvolutionTree(pkm.Format);
var lineage = table.GetValidPreEvolutions(pkm, maxLevel: pkm.CurrentLevel);
return lineage.Select(evolution => evolution.Species);
}
internal static ICollection<int> GetWildBalls(PKM pkm)
{
switch (pkm.GenNumber)
{
case 1: return WildPokeBalls1;
case 2: return WildPokeBalls2;
case 3: return WildPokeBalls3;
case 4: return pkm.HGSS ? WildPokeBalls4_HGSS : WildPokeBalls4_DPPt;
case 5: return WildPokeBalls5;
case 6: return WildPokeballs6;
case 7: return WildPokeballs7;
default: return null;
}
}
internal static int GetEggHatchLevel(PKM pkm) => pkm.Format <= 3 ? 5 : 1;
internal static ICollection<int> GetSplitBreedGeneration(PKM pkm)
{
return GetSplitBreedGeneration(pkm.GenNumber);
}
private static ICollection<int> GetSplitBreedGeneration(int generation)
{
switch (generation)
{
case 1:
case 2: return Empty;
case 3: return SplitBreed_3;
case 4: return SplitBreed;
case 5: return SplitBreed;
case 6: return SplitBreed;
case 7: return SplitBreed;
default: return Empty;
}
}
internal static int GetMaxSpeciesOrigin(PKM pkm)
{
if (pkm.Format == 1)
return GetMaxSpeciesOrigin(1);
if (pkm.Format == 2 || pkm.VC)
return GetMaxSpeciesOrigin(2);
return GetMaxSpeciesOrigin(pkm.GenNumber);
}
internal static int GetMaxSpeciesOrigin(int generation)
{
switch (generation)
{
case 1: return MaxSpeciesID_1;
case 2: return MaxSpeciesID_2;
case 3: return MaxSpeciesID_3;
case 4: return MaxSpeciesID_4;
case 5: return MaxSpeciesID_5;
case 6: return MaxSpeciesID_6;
case 7: return MaxSpeciesID_7_USUM;
default: return -1;
}
}
internal static IEnumerable<int> GetFutureGenEvolutions(int generation)
{
switch (generation)
{
case 1: return FutureEvolutionsGen1;
case 2: return FutureEvolutionsGen2;
case 3: return FutureEvolutionsGen3;
case 4: return FutureEvolutionsGen4;
case 5: return FutureEvolutionsGen5;
default: return Enumerable.Empty<int>();
}
}
internal static int GetDebutGeneration(int species)
{
if (species <= MaxSpeciesID_1)
return 1;
if (species <= MaxSpeciesID_2)
return 2;
if (species <= MaxSpeciesID_3)
return 3;
if (species <= MaxSpeciesID_4)
return 4;
if (species <= MaxSpeciesID_5)
return 5;
if (species <= MaxSpeciesID_6)
return 6;
if (species <= MaxSpeciesID_7_USUM)
return 7;
return -1;
}
internal static int GetMaxLanguageID(int generation)
{
switch (generation)
{
case 1:
case 3:
return 7; // 1-7 except 6
case 2:
case 4:
case 5:
case 6:
return 8;
case 7:
return 10;
}
return -1;
}
private static bool[] GetReleasedHeldItems(int generation)
{
switch (generation)
{
case 2: return ReleasedHeldItems_2;
case 3: return ReleasedHeldItems_3;
case 4: return ReleasedHeldItems_4;
case 5: return ReleasedHeldItems_5;
case 6: return ReleasedHeldItems_6;
case 7: return ReleasedHeldItems_7;
default: return new bool[0];
}
}
internal static bool IsHeldItemAllowed(PKM pkm)
{
return IsHeldItemAllowed(pkm.HeldItem, pkm.Format);
}
private static bool IsHeldItemAllowed(int item, int generation)
{
if (item < 0)
return false;
if (item == 0)
return true;
var items = GetReleasedHeldItems(generation);
return items.Length > item && items[item];
}
internal static bool IsNotBaseSpecies(PKM pkm)
{
if (pkm.IsEgg)
return false;
return GetValidPreEvolutions(pkm).Count > 1;
}
private static bool IsEvolvedFormChange(PKM pkm)
{
if (pkm.IsEgg)
return false;
if (pkm.Format >= 7 && AlolanVariantEvolutions12.Contains(pkm.Species))
return pkm.AltForm == 1;
if (pkm.Species == 678 && pkm.Gender == 1)
return pkm.AltForm == 1;
if (pkm.Species == 773)
return true;
return false;
}
internal static bool IsTradeEvolved(PKM pkm)
{
if (pkm.IsEgg)
return false;
var table = EvolutionTree.GetEvolutionTree(pkm.Format);
var lineage = table.GetValidPreEvolutions(pkm, maxLevel: 100, skipChecks:true);
return lineage.Any(evolution => EvolutionMethod.TradeMethods.Contains(evolution.Flag)); // Trade Evolutions
}
internal static bool IsEvolutionValid(PKM pkm, int minSpecies = -1, int minLevel = -1)
{
var curr = GetValidPreEvolutions(pkm);
var min = curr.FirstOrDefault(z => z.Species == minSpecies);
if (min != null && min.Level < minLevel)
return false;
IEnumerable<DexLevel> poss = GetValidPreEvolutions(pkm, lvl: 100, skipChecks: true);
if (minSpecies != -1)
poss = poss.Reverse().SkipWhile(z => z.Species != minSpecies); // collection is reversed, we only care about count
else if (GetSplitBreedGeneration(pkm).Contains(GetBaseSpecies(pkm, 1)))
return curr.Count >= poss.Count() - 1;
return curr.Count >= poss.Count();
}
internal static bool IsEvolutionValidWithMove(PKM pkm, LegalInfo info)
{
// Exclude species that do not evolve leveling with a move
// Exclude gen 1-3 formats
// Exclude Mr Mime and Snorlax for gen 1-3 games
if (!SpeciesEvolutionWithMove.Contains(pkm.Species) || pkm.Format <= 3 || (BabyEvolutionWithMove.Contains(pkm.Species) && pkm.GenNumber <= 3))
return true;
var index = Array.FindIndex(SpeciesEvolutionWithMove, p => p == pkm.Species);
var levels = MinLevelEvolutionWithMove[index];
var moves = MoveEvolutionWithMove[index];
var allowegg = EggMoveEvolutionWithMove[index][pkm.GenNumber];
// Get the minimum level in any generation when the pokemon could learn the evolve move
var LearnLevel = 101;
for (int g = pkm.GenNumber; g <= pkm.Format; g++)
if (pkm.InhabitedGeneration(g) && levels[g] > 0)
LearnLevel = Math.Min(LearnLevel, levels[g]);
// Check also if the current encounter include the evolve move as an special move
// That means the pokemon have the move from the encounter level
if (info.EncounterMatch is IMoveset s && s.Moves?.Any(m => moves.Contains(m)) == true)
LearnLevel = Math.Min(LearnLevel, info.EncounterMatch.LevelMin);
// If the encounter is a player hatched egg check if the move could be an egg move or inherited level up move
if (info.EncounterMatch.EggEncounter && !pkm.WasGiftEgg && !pkm.WasEventEgg && allowegg)
{
if (IsMoveInherited(pkm, info, moves))
LearnLevel = Math.Min(LearnLevel, pkm.GenNumber < 4 ? 6 : 2);
}
// If has original met location the minimum evolution level is one level after met level
// Gen 3 pokemon in gen 4 games: minimum level is one level after transfer to generation 4
// VC pokemon: minimum level is one level after transfer to generation 7
// Sylveon: always one level after met level, for gen 4 and 5 eevees in gen 6 games minimum for evolution is one level after transfer to generation 5
if (pkm.HasOriginalMetLocation || pkm.Format == 4 && pkm.Gen3 || pkm.VC || pkm.Species == 700)
LearnLevel = Math.Max(pkm.Met_Level + 1, LearnLevel);
// Current level must be at least one the minimum learn level
// the level-up event that triggers the learning of the move also triggers evolution with no further level-up required
return pkm.CurrentLevel >= LearnLevel;
}
private static bool IsMoveInherited(PKM pkm, LegalInfo info, int[] moves)
{
// In 3DS games, the inherited move must be in the relearn moves.
if (pkm.GenNumber >= 6)
return pkm.RelearnMoves.Any(moves.Contains);
// In Pre-3DS games, the move is inherited if it has the move and it can be hatched with the move.
if (pkm.Moves.Any(moves.Contains))
return true;
// If the pokemon does not have the move, it still could be an egg move that was forgotten.
// This requires the pokemon to not have 4 other moves identified as egg moves or inherited level up moves.
return 4 > info.Moves.Count(m => m.Source == MoveSource.EggMove || m.Source == MoveSource.InheritLevelUp);
}
internal static bool IsFormChangeable(PKM pkm, int species)
{
if (FormChange.Contains(species))
return true;
if (IsEvolvedFormChange(pkm))
return true;
if (species == 718 && pkm.InhabitedGeneration(7) && pkm.AltForm > 1)
return true;
return false;
}
internal static bool GetCanInheritMoves(PKM pkm, IEncounterable e)
{
if (FixedGenderFromBiGender.Contains(e.Species)) // Nincada -> Shedinja loses gender causing 'false', edge case
return true;
int ratio = pkm.PersonalInfo.Gender;
if (ratio > 0 && ratio < 255)
return true;
if (MixedGenderBreeding.Contains(e.Species))
return true;
return false;
}
public static int GetLowestLevel(PKM pkm, int startLevel)
{
if (startLevel == -1)
startLevel = 100;
var table = EvolutionTree.GetEvolutionTree(pkm.Format);
int count = 1;
for (int i = 100; i >= startLevel; i--)
{
var evos = table.GetValidPreEvolutions(pkm, maxLevel: i, minLevel: startLevel, skipChecks:true);
if (evos.Count < count) // lost an evolution, prior level was minimum current level
return evos.Max(evo => evo.Level) + 1;
count = evos.Count;
}
return startLevel;
}
internal static bool GetCanBeCaptured(int species, int gen, GameVersion version = GameVersion.Any)
{
switch (gen)
{
// Capture Memory only obtainable via Gen 6.
case 6:
switch (version)
{
case GameVersion.Any:
return FriendSafari.Contains(species)
|| GetCanBeCaptured(species, SlotsX, StaticX)
|| GetCanBeCaptured(species, SlotsY, StaticY)
|| GetCanBeCaptured(species, SlotsA, StaticA)
|| GetCanBeCaptured(species, SlotsO, StaticO);
case GameVersion.X:
return FriendSafari.Contains(species)
|| GetCanBeCaptured(species, SlotsX, StaticX);
case GameVersion.Y:
return FriendSafari.Contains(species)
|| GetCanBeCaptured(species, SlotsY, StaticY);
case GameVersion.AS:
return GetCanBeCaptured(species, SlotsA, StaticA);
case GameVersion.OR:
return GetCanBeCaptured(species, SlotsO, StaticO);
}
break;
}
return false;
}
private static bool GetCanBeCaptured(int species, IEnumerable<EncounterArea> area, IEnumerable<EncounterStatic> statics)
{
if (area.Any(loc => loc.Slots.Any(slot => slot.Species == species)))
return true;
if (statics.Any(enc => enc.Species == species && !enc.Gift))
return true;
return false;
}
internal static bool GetCanLearnMachineMove(PKM pkm, int move, int generation, GameVersion version = GameVersion.Any)
{
return GetValidMoves(pkm, version, GetValidPreEvolutions(pkm), generation, Machine: true).Contains(move);
}
internal static bool GetCanRelearnMove(PKM pkm, int move, int generation, GameVersion version = GameVersion.Any)
{
return GetValidMoves(pkm, version, GetValidPreEvolutions(pkm), generation, LVL: true, Relearn: true).Contains(move);
}
internal static bool GetCanKnowMove(PKM pkm, int move, int generation, GameVersion version = GameVersion.Any)
{
if (pkm.Species == 235 && !InvalidSketch.Contains(move))
return true;
return GetValidMoves(pkm, version, GetValidPreEvolutions(pkm), generation, LVL: true, Relearn: true, Tutor: true, Machine: true).Contains(move);
}
internal static int GetBaseEggSpecies(PKM pkm, int skipOption = 0)
{
if (pkm.Format == 1)
return GetBaseSpecies(pkm, generation: 2);
return GetBaseSpecies(pkm, skipOption);
}
internal static int GetBaseSpecies(PKM pkm, int skipOption = 0, int generation = -1)
{
int tree = generation != -1 ? generation : pkm.Format;
var table = EvolutionTree.GetEvolutionTree(tree);
int maxSpeciesOrigin = generation != -1 ? GetMaxSpeciesOrigin(generation) : -1;
var evos = table.GetValidPreEvolutions(pkm, maxLevel: 100, maxSpeciesOrigin: maxSpeciesOrigin, skipChecks: true);
return GetBaseSpecies(pkm, evos, skipOption);
}
internal static int GetBaseSpecies(PKM pkm, IList<DexLevel> evos, int skipOption = 0)
{
if (pkm.Species == 292)
return 290;
switch (skipOption)
{
case -1: return pkm.Species;
case 1: return evos.Count <= 1 ? pkm.Species : evos[evos.Count - 2].Species;
default: return evos.Count <= 0 ? pkm.Species : evos.Last().Species;
}
}
private static int GetMaxLevelGeneration(PKM pkm)
{
return GetMaxLevelGeneration(pkm, pkm.GenNumber);
}
private static int GetMaxLevelGeneration(PKM pkm, int generation)
{
if (!pkm.InhabitedGeneration(generation))
return pkm.Met_Level;
if (pkm.Format <= 2)
{
if (generation == 1 && FutureEvolutionsGen1_Gen2LevelUp.Contains(pkm.Species))
return pkm.CurrentLevel - 1;
return pkm.CurrentLevel;
}
if (pkm.Species == 700 && generation == 5)
return pkm.CurrentLevel - 1;
if (pkm.Gen3 && pkm.Format > 4 && pkm.Met_Level == pkm.CurrentLevel && FutureEvolutionsGen3_LevelUpGen4.Contains(pkm.Species))
return pkm.Met_Level - 1;
if (!pkm.HasOriginalMetLocation)
return pkm.Met_Level;
return pkm.CurrentLevel;
}
internal static int GetMinLevelEncounter(PKM pkm)
{
if (pkm.Format == 3 && pkm.WasEgg)
// Only for gen 3 pokemon in format 3, after transfer to gen 4 it should return transfer level
return 5;
if (pkm.Format == 4 && pkm.Gen4 && pkm.WasEgg)
// Only for gen 4 pokemon in format 4, after transfer to gen 5 it should return transfer level
return 1;
return pkm.HasOriginalMetLocation ? pkm.Met_Level : GetMaxLevelGeneration(pkm);
}
private static int GetMinLevelGeneration(PKM pkm, int generation)
{
if (!pkm.InhabitedGeneration(generation))
return 0;
if (pkm.Format <= 2)
return 2;
if (!pkm.HasOriginalMetLocation && generation != pkm.GenNumber)
return pkm.Met_Level;
if (pkm.GenNumber <= 3)
return 2;
return 1;
}
private static bool GetCatchRateMatchesPreEvolution(PKM pkm, int catch_rate)
{
// For species catch rate, discard any species that has no valid encounters and a different catch rate than their pre-evolutions
var Lineage = GetLineage(pkm).Except(Species_NotAvailable_CatchRate);
return IsCatchRateRBY(Lineage) || IsCatchRateTrade() || IsCatchRateStadium();
// Dragonite's Catch Rate is different than Dragonair's in Yellow, but there is no Dragonite encounter.
bool IsCatchRateRBY(IEnumerable<int> ds) => ds.Any(s => catch_rate == PersonalTable.RB[s].CatchRate || s != 149 && catch_rate == PersonalTable.Y[s].CatchRate);
// Krabby encounter trade special catch rate
bool IsCatchRateTrade() => (pkm.Species == 098 || pkm.Species == 099) && catch_rate == 204;
bool IsCatchRateStadium() => Stadium_GiftSpecies.Contains(pkm.Species) && Stadium_CatchRate.Contains(catch_rate);
}
internal static void SetTradebackStatusRBY(PKM pkm)
{
if (!AllowGen1Tradeback)
{
pkm.TradebackStatus = TradebackType.Gen1_NotTradeback;
((PK1)pkm).CatchRateIsItem = false;
return;
}
// Detect tradeback status by comparing the catch rate(Gen1)/held item(Gen2) to the species in the pkm's evolution chain.
var catch_rate = ((PK1)pkm).Catch_Rate;
bool matchAny = GetCatchRateMatchesPreEvolution(pkm, catch_rate);
// If the catch rate value has been modified, the item has either been removed or swapped in Generation 2.
var HeldItemCatchRate = catch_rate == 0 || HeldItems_GSC.Any(h => h == catch_rate);
if (HeldItemCatchRate && !matchAny)
pkm.TradebackStatus = TradebackType.WasTradeback;
else if (!HeldItemCatchRate && matchAny)
pkm.TradebackStatus = TradebackType.Gen1_NotTradeback;
else
pkm.TradebackStatus = TradebackType.Any;
// Update the editing settings for the PKM to acknowledge the tradeback status if the species is changed.
((PK1)pkm).CatchRateIsItem = !pkm.Gen1_NotTradeback && HeldItemCatchRate && !matchAny;
}
internal static DexLevel[][] GetEvolutionChainsAllGens(PKM pkm, IEncounterable Encounter)
{
var CompleteEvoChain = GetEvolutionChain(pkm, Encounter);
int maxgen = pkm.Format == 1 && !pkm.Gen1_NotTradeback ? 2 : pkm.Format;
int mingen = (pkm.Format == 2 || pkm.VC2) && !pkm.Gen2_NotTradeback ? 1 : pkm.GenNumber;
DexLevel[][] GensEvoChains = new DexLevel[maxgen + 1][];
for (int i = 0; i <= maxgen; i++)
GensEvoChains[i] = new DexLevel[0];
if (pkm.Species == 0 || pkm.Format > 2 && pkm.GenU) // Illegal origin or empty pokemon, return only chain for current format
{
GensEvoChains[pkm.Format] = CompleteEvoChain;
return GensEvoChains;
}
// If is egg skip the other checks and just return the evo chain for GenNumber, that will contains only the pokemon inside the egg
// Empty list returned if is an impossible egg (like a gen 3 infernape inside an egg)
int pkGen = pkm.GenNumber;
if (pkm.IsEgg)
{
if (GetMaxSpeciesOrigin(pkGen) >= pkm.Species)
GensEvoChains[pkGen] = CompleteEvoChain;
return GensEvoChains;
}
int lvl = pkm.CurrentLevel;
// Iterate generations backwards because level will be decreased from current level in each generation
for (int gen = maxgen; gen >= mingen; gen--)
{
if (pkGen == 1 && pkm.Gen1_NotTradeback && gen == 2)
continue;
if (pkGen <= 2 && 3 <= gen && gen <= 6)
continue;
if (!pkm.HasOriginalMetLocation && pkm.Format > 2 && gen < pkm.Format && gen <= 4 && lvl > pkm.Met_Level)
{
// Met location was lost at this point but it also means the pokemon existed in generations 1 to 4 with maximum level equals to met level
lvl = pkm.Met_Level;
}
int maxspeciesgen = GetMaxSpeciesOrigin(gen);
if (gen == 2 && pkm.VC1)
maxspeciesgen = MaxSpeciesID_1;
// Remove future gen evolutions after a few special considerations,
// it the pokemon origin is illegal like a "gen 3" Infernape the list will be emptied, it didnt existed in gen 3 in any evolution phase
while (CompleteEvoChain.Length != 0 && CompleteEvoChain[0].Species > maxspeciesgen)
{
// Eevee requires to level one time to be Sylveon, it can be deduced in gen 5 and before it existed with maximum one level bellow current
if (CompleteEvoChain[0].Species == 700 && gen == 5)
lvl--;
// This is a gen 3 pokemon in a gen 4 phase evolution that requieres level up and then transfered to gen 5+
// We can deduce that it existed in gen 4 until met level,
// but if current level is met level we can also deduce it existed in gen 3 until maximum met level -1
if (gen == 3 && pkm.Format > 4 && lvl == pkm.CurrentLevel && CompleteEvoChain[0].Species > MaxSpeciesID_3 && CompleteEvoChain[0].RequiresLvlUp)
lvl--;
// The same condition for gen2 evolution of gen 1 pokemon, level of the pokemon in gen 1 games would be CurrentLevel -1 one level bellow gen 2 level
if (gen == 1 && pkm.Format == 2 && lvl == pkm.CurrentLevel && CompleteEvoChain[0].Species > MaxSpeciesID_1 && CompleteEvoChain[0].RequiresLvlUp)
lvl--;
CompleteEvoChain = CompleteEvoChain.Skip(1).ToArray();
}
// Alolan form evolutions, remove from gens 1-6 chains
if (gen < 7 && pkm.Format >= 7 && CompleteEvoChain.Length != 0 && CompleteEvoChain[0].Form > 0 && EvolveToAlolanForms.Contains(CompleteEvoChain[0].Species))
CompleteEvoChain = CompleteEvoChain.Skip(1).ToArray();
if (CompleteEvoChain.Length == 0)
continue;
GensEvoChains[gen] = GetEvolutionChain(pkm, Encounter, CompleteEvoChain[0].Species, lvl);
if (gen > 2 && !pkm.HasOriginalMetLocation && gen >= pkGen)
{
// For transferred species, rule out pre-evolutions where their max level is not obtainable in the specified generation.
// Only prune entries for gen values that would overwrite the met data.
bool isTransferred = HasMetLocationUpdatedTransfer(pkGen, gen);
if (pkm.Format >= 5 && gen == 4 && pkGen == 3)
isTransferred = false; // can't prune as the 3->4 data is overwritten again 4->5
if (isTransferred)
{
// Remove previous evolutions below transfer level
// For example a gen3 Charizard in format 7 with current level 36 and met level 36, thus could never be Charmander / Charmeleon in Gen5+.
// chain level for charmander is 35, is below met level.
int minlvl = GetMinLevelGeneration(pkm, gen);
GensEvoChains[gen] = GensEvoChains[gen].Where(e => e.Level >= minlvl).ToArray();
}
}
else if (gen == 1 && GensEvoChains[gen].LastOrDefault()?.Species > MaxSpeciesID_1)
{
// Remove generation 2 pre-evolutions
GensEvoChains[gen] = GensEvoChains[gen].Take(GensEvoChains[gen].Length - 1).ToArray();
if (pkm.VC1)
{
// Remove generation 2 pre-evolutions from gen 7 and future generations
for ( int fgen = 7; fgen <= maxgen; fgen++)
GensEvoChains[fgen] = GensEvoChains[fgen].Take(GensEvoChains[fgen].Length - 1).ToArray();
}
}
}
return GensEvoChains;
}
private static DexLevel[] GetEvolutionChain(PKM pkm, IEncounterable Encounter)
{
return GetEvolutionChain(pkm, Encounter, pkm.Species, 100);
}
private static DexLevel[] GetEvolutionChain(PKM pkm, IEncounterable Encounter, int maxspec, int maxlevel)
{
var vs = GetValidPreEvolutions(pkm).ToArray();
// Evolution chain is in reverse order (devolution)
int minspec = Encounter.Species;
int minindex = Math.Max(0, Array.FindIndex(vs, p => p.Species == minspec));
Array.Resize(ref vs, minindex + 1);
var last = vs[vs.Length - 1];
if (last.MinLevel > 1) // Last entry from vs is removed, turn next entry into the wild/hatched pokemon
{
last.MinLevel = Encounter.LevelMin;
last.RequiresLvlUp = false;
var first = vs[0];
if (!first.RequiresLvlUp)
{
if (first.MinLevel == 2)
{
// Example Raichu in gen 2 or later,
// because Pichu requires level up Minimum level of Raichu would be 2
// but after removing Pichu because the origin species is Pikachu, Raichu min level should be 1
first.MinLevel = 1;
first.RequiresLvlUp = false;
}
else // ingame trade / stone can evolve immediately
{
first.MinLevel = last.MinLevel;
}
}
}
// Maxspec is used to remove future gen evolutions, to gather evolution chain of a pokemon in previous generations
int skip = Math.Max(0, Array.FindIndex(vs, p => p.Species == maxspec));
// Maxlevel is also used for previous generations, it removes evolutions imposible before the transfer level
// For example a fire red charizard whose current level in XY is 50 but met level is 20, it couldnt be a Charizard in gen 3 and 4 games
vs = vs.Skip(skip).Where(e => e.MinLevel <= maxlevel).ToArray();
// Reduce the evolution chain levels to max level, because met level is the last one when the pokemon could be and learn moves in that generation
foreach (DexLevel d in vs)
d.Level = Math.Min(d.Level, maxlevel);
return vs;
}
internal static IList<DexLevel> GetValidPreEvolutions(PKM pkm, int maxspeciesorigin = -1, int lvl = -1, bool skipChecks = false)
{
if (lvl < 0)
lvl = pkm.CurrentLevel;
if (pkm.IsEgg && !skipChecks)
return new List<DexLevel>
{
new DexLevel { Species = pkm.Species, Level = lvl, MinLevel = lvl },
};
if (pkm.Species == 292 && lvl >= 20 && (!pkm.HasOriginalMetLocation || pkm.Met_Level + 1 <= lvl))
return new List<DexLevel>
{
new DexLevel { Species = 292, Level = lvl, MinLevel = 20 },
new DexLevel { Species = 290, Level = pkm.GenNumber < 5 ? lvl : lvl-1, MinLevel = 1 }
// Shedinja spawns after evolving, which is after level up moves were prompted. Not for future generations.
};
if (maxspeciesorigin == -1 && pkm.InhabitedGeneration(2) && pkm.GenNumber == 1)
maxspeciesorigin = MaxSpeciesID_2;
int tree = maxspeciesorigin == MaxSpeciesID_2 ? 2 : pkm.Format;
var et = EvolutionTree.GetEvolutionTree(tree);
return et.GetValidPreEvolutions(pkm, maxLevel: lvl, maxSpeciesOrigin: maxspeciesorigin, skipChecks: skipChecks);
}
private static IEnumerable<int> GetValidMoves(PKM pkm, GameVersion Version, IReadOnlyList<IList<DexLevel>> vs, int minLvLG1 = 1, int minLvLG2 = 1, bool LVL = false, bool Relearn = false, bool Tutor = false, bool Machine = false, bool MoveReminder = true, bool RemoveTransferHM = true)
{
List<int> r = new List<int> { 0 };
if (Relearn && pkm.Format >= 6)
r.AddRange(pkm.RelearnMoves);
for (int gen = pkm.GenNumber; gen <= pkm.Format; gen++)
if (vs[gen].Count != 0)
r.AddRange(GetValidMoves(pkm, Version, vs[gen], gen, minLvLG1: minLvLG1, minLvLG2: minLvLG2, LVL: LVL, Relearn: false, Tutor: Tutor, Machine: Machine, MoveReminder: MoveReminder, RemoveTransferHM: RemoveTransferHM));
return r.Distinct();
}
private static IEnumerable<int> GetValidMoves(PKM pkm, GameVersion Version, IList<DexLevel> vs, int Generation, int minLvLG1 = 1, int minLvLG2 = 1, bool LVL = false, bool Relearn = false, bool Tutor = false, bool Machine = false, bool MoveReminder = true, bool RemoveTransferHM = true)
{
List<int> r = new List<int> { 0 };
if (vs.Count == 0)
return r;
int species = pkm.Species;
// Special Type Tutors Availability
bool moveTutor = Tutor || MoveReminder; // Usually true, except when called for move suggestions (no tutored moves)
if (FormChangeMoves.Contains(species)) // Deoxys & Shaymin & Giratina (others don't have extra but whatever)
{
int formcount = pkm.PersonalInfo.FormeCount;
if (species == 386 && pkm.Format == 3)
// In gen 3 deoxys has different forms depending on the current game, in personal info there is no alter form info
formcount = 4;
for (int i = 0; i < formcount; i++)
r.AddRange(GetMoves(pkm, species, minLvLG1, minLvLG2, vs[0].Level, i, moveTutor, Version, LVL, Tutor, Machine, MoveReminder, RemoveTransferHM, Generation));
if (Relearn)
r.AddRange(pkm.RelearnMoves);
return r.Distinct();
}
for (var i = 0; i < vs.Count; i++)
{
DexLevel evo = vs[i];
var moves = GetEvoMoves(pkm, Version, vs, Generation, minLvLG1, minLvLG2, LVL, Tutor, Machine, MoveReminder, RemoveTransferHM, moveTutor, i, evo);
r.AddRange(moves);
}
if (pkm.Format <= 3)
return r.Distinct();
if (LVL)
MoveTutor.AddSpecialFormChangeMoves(r, pkm, Generation, species);
if (Tutor)
MoveTutor.AddSpecialTutorMoves(r, pkm, Generation, species);
if (Relearn && Generation >= 6)
r.AddRange(pkm.RelearnMoves);
return r.Distinct();
}
private static IEnumerable<int> GetEvoMoves(PKM pkm, GameVersion Version, IList<DexLevel> vs, int Generation, int minLvLG1, int minLvLG2, bool LVL, bool Tutor, bool Machine, bool MoveReminder, bool RemoveTransferHM, bool moveTutor, int i, DexLevel evo)
{
var minlvlevo1 = 1;
var minlvlevo2 = 1;
if (Generation == 1)
{
// Return moves from minLvLG1 if species if the species encounters
// For evolutions return moves using evolution min level as min level
minlvlevo1 = minLvLG1;
if (evo.MinLevel > 1)
minlvlevo1 = Math.Min(pkm.CurrentLevel, evo.MinLevel);
}
if (Generation == 2 && !AllowGen2MoveReminder(pkm))
{
minlvlevo2 = minLvLG2;
if (evo.MinLevel > 1)
minlvlevo2 = Math.Min(pkm.CurrentLevel, evo.MinLevel);
}
var maxLevel = evo.Level;
if (i != 0 && vs[i - 1].RequiresLvlUp) // evolution
++maxLevel; // allow lvlmoves from the level it evolved to the next species
return GetMoves(pkm, evo.Species, minlvlevo1, minlvlevo2, maxLevel, pkm.AltForm, moveTutor, Version, LVL, Tutor, Machine, MoveReminder, RemoveTransferHM, Generation);
}
private static IEnumerable<int> GetMoves(PKM pkm, int species, int minlvlG1, int minlvlG2, int lvl, int form, bool moveTutor, GameVersion Version, bool LVL, bool specialTutors, bool Machine, bool MoveReminder, bool RemoveTransferHM, int Generation)
{
List<int> r = new List<int>();
if (LVL)
r.AddRange(MoveLevelUp.GetMovesLevelUp(pkm, species, minlvlG1, minlvlG2, lvl, form, Version, MoveReminder, Generation));
if (Machine)
r.AddRange(MoveTechnicalMachine.GetTMHM(pkm, species, form, Generation, Version, RemoveTransferHM));
if (moveTutor)
r.AddRange(MoveTutor.GetTutorMoves(pkm, species, form, specialTutors, Generation));
return r.Distinct();
}
internal static int[] GetEggMoves(PKM pkm, int species, int formnum, GameVersion version)
{
return MoveEgg.GetEggMoves(pkm, species, formnum, version);
}
internal static bool IsTradedKadabraG1(PKM pkm)
{
if (!(pkm is PK1 pk1) || pk1.Species != 64)
return false;
if (pk1.TradebackStatus == TradebackType.WasTradeback)
return true;
if (Savegame_Version == GameVersion.Any)
return false;
var IsYellow = Savegame_Version == GameVersion.YW;
if (pk1.TradebackStatus == TradebackType.Gen1_NotTradeback)
{
// If catch rate is Abra catch rate it wont trigger as invalid trade without evolution, it could be traded as Abra
var catch_rate = pk1.Catch_Rate;
// Yellow Kadabra catch rate in Red/Blue game, must be Alakazam
if (!IsYellow && catch_rate == PersonalTable.Y[64].CatchRate)
return true;
// Red/Blue Kadabra catch rate in Yellow game, must be Alakazam
if (IsYellow && catch_rate == PersonalTable.RB[64].CatchRate)
return true;
}
if (IsYellow)
return false;
// Yellow only moves in Red/Blue game, must be Alakazam
if (pk1.Moves.Contains(134)) // Kinesis, yellow only move
return true;
if (pk1.CurrentLevel < 20 && pkm.Moves.Contains(50)) // Obtaining Disable below level 20 implies a yellow only move
return true;
return false;
}
internal static bool IsOutsider(PKM pkm)
{
if (Savegame_Version == GameVersion.Any)
return false;
var Outsider = Savegame_TID != pkm.TID || Savegame_OT != pkm.OT_Name;
if (pkm.Format <= 2)
return Outsider;
Outsider |= Savegame_SID != pkm.SID;
if (pkm.Format == 3) // Generation 3 does not check ot geneder nor pokemon version
return Outsider;
Outsider |= Savegame_Gender != pkm.OT_Gender || Savegame_Version != (GameVersion) pkm.Version;
return Outsider;
}
internal const GameVersion NONE = GameVersion.Invalid;
internal static readonly LearnVersion LearnNONE = new LearnVersion(-1);
internal static bool HasVisitedB2W2(this PKM pkm) => pkm.InhabitedGeneration(5);
internal static bool HasVisitedORAS(this PKM pkm) => pkm.InhabitedGeneration(6) && (pkm.AO || !pkm.IsUntraded);
internal static bool HasVisitedUSUM(this PKM pkm) => pkm.InhabitedGeneration(7) && (pkm.USUM || !pkm.IsUntraded);
internal static bool IsMovesetRestricted(this PKM pkm) => pkm.IsUntraded;
public static LanguageID GetSafeLanguage(int generation, LanguageID prefer, GameVersion game = GameVersion.Any)
{
switch (generation)
{
case 1:
case 2:
if (Languages_GB.Contains((int)prefer) && (prefer != LanguageID.Korean || game == GameVersion.C))
return prefer;
return LanguageID.English;
case 3:
if (Languages_3.Contains((int) prefer))
return prefer;
return LanguageID.English;
case 4:
case 5:
case 6:
if (Languages_46.Contains((int)prefer))
return prefer;
return LanguageID.English;
default:
if (Languages_7.Contains((int)prefer))
return prefer;
return LanguageID.English;
}
}
public static bool HasMetLocationUpdatedTransfer(int originalGeneration, int currentGeneration)
{
if (originalGeneration < 3)
return currentGeneration >= 3;
if (originalGeneration <= 4)
return currentGeneration != originalGeneration;
return false;
}
public static bool IsValidMissingLanguage(PKM pkm)
{
return pkm.Format == 5 && pkm.BW;
}
}
}