mirror of
https://github.com/kwsch/PKHeX
synced 2024-11-16 00:58:01 +00:00
437 lines
21 KiB
C#
437 lines
21 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using PKHeX.Core;
|
|
|
|
using static PKHeX.Core.Legal;
|
|
|
|
namespace PKHeX
|
|
{
|
|
internal static class GBRestrictions
|
|
{
|
|
internal static readonly int[] G1CaterpieMoves = { 33, 81 };
|
|
internal static readonly int[] G1WeedleMoves = { 40, 81 };
|
|
internal static readonly int[] G1MetapodMoves = G1CaterpieMoves.Concat(new[] { 106 }).ToArray();
|
|
internal static readonly int[] G1KakunaMoves = G1WeedleMoves.Concat(new[] { 106 }).ToArray();
|
|
internal static readonly int[] G1Exeggcute_IncompatibleMoves = { 78, 77, 79 };
|
|
|
|
internal static readonly int[] Stadium_CatchRate =
|
|
{
|
|
167, // Normal Box
|
|
168, // Gorgeous Box
|
|
};
|
|
|
|
internal static readonly HashSet<int> Stadium_GiftSpecies = new HashSet<int>
|
|
{
|
|
001, // Bulbasaur
|
|
004, // Charmander
|
|
007, // Squirtle
|
|
054, // Psyduck (Amnesia)
|
|
106, // Hitmonlee
|
|
107, // Hitmonchan
|
|
133, // Eevee
|
|
138, // Omanyte
|
|
140, // Kabuto
|
|
};
|
|
|
|
internal static readonly HashSet<int> SpecialMinMoveSlots = new HashSet<int>
|
|
{
|
|
25, 26, 29, 30, 31, 32, 33, 34, 36, 38, 40, 59, 91, 103, 114, 121,
|
|
};
|
|
|
|
internal static readonly HashSet<int> Types_Gen1 = new HashSet<int>
|
|
{
|
|
0, 1, 2, 3, 4, 5, 7, 8, 20, 21, 22, 23, 24, 25, 26
|
|
};
|
|
|
|
internal static readonly HashSet<int> Species_NotAvailable_CatchRate = new HashSet<int>
|
|
{
|
|
12, 18, 31, 34, 38, 45, 53, 59, 62, 65, 68, 71, 78, 91, 103, 121
|
|
};
|
|
|
|
internal static readonly HashSet<int> Trade_Evolution1 = new HashSet<int>
|
|
{
|
|
064,
|
|
067,
|
|
075,
|
|
093
|
|
};
|
|
|
|
private static int[] GetMinLevelLearnMoveG1(int species, List<int> moves)
|
|
{
|
|
var r = new int[moves.Count];
|
|
for (int i = 0; i < r.Length; i++)
|
|
r[i] = MoveLevelUp.GetIsLevelUp1(species, moves[i], 100, 0, 0).Level;
|
|
return r;
|
|
}
|
|
|
|
private 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;
|
|
}
|
|
|
|
private 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, 0, 1, 100);
|
|
var moves2 = MoveLevelUp.GetMovesLevelUp1(species2, 0, 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 void GetIncompatibleEvolutionMoves(PKM pkm, int[] moves, List<int> tmhm, out int previousspecies, out IList<int> incompatible_previous, out IList<int> incompatible_current)
|
|
{
|
|
switch (pkm.Species)
|
|
{
|
|
case 34 when moves.Contains(31) && moves.Contains(37):
|
|
// Nidoking learns Thrash at level 23
|
|
// Nidorino learns Fury Attack at level 36, Nidoran♂ at level 30
|
|
// Other moves are either learned by Nidoran♂ up to level 23 or by TM
|
|
incompatible_current = new[] { 31 };
|
|
incompatible_previous = new[] { 37 };
|
|
previousspecies = 33;
|
|
return;
|
|
|
|
case 103 when moves.Contains(23) && moves.Any(m => G1Exeggcute_IncompatibleMoves.Contains(moves[m])):
|
|
// Exeggutor learns stomp at level 28
|
|
// Exeggcute learns Stun Spore at 32, PoisonPowder at 37 and Sleep Powder at 48
|
|
incompatible_current = new[] { 23 };
|
|
incompatible_previous = G1Exeggcute_IncompatibleMoves;
|
|
previousspecies = 103;
|
|
return;
|
|
|
|
case 134:
|
|
case 135:
|
|
case 136:
|
|
incompatible_previous = new List<int>();
|
|
incompatible_current = new List<int>();
|
|
previousspecies = 133;
|
|
var ExclusiveMoves = GetExclusiveMovesG1(133, pkm.Species, tmhm, moves);
|
|
var EeveeLevels = GetMinLevelLearnMoveG1(133, ExclusiveMoves[0]);
|
|
var EvoLevels = GetMaxLevelLearnMoveG1(pkm.Species, ExclusiveMoves[1]);
|
|
|
|
for (int i = 0; i < ExclusiveMoves[0].Count; i++)
|
|
{
|
|
// There is a evolution move with a lower level that current eevee move
|
|
if (EvoLevels.Any(ev => ev < EeveeLevels[i]))
|
|
incompatible_previous.Add(ExclusiveMoves[0][i]);
|
|
}
|
|
for (int i = 0; i < ExclusiveMoves[1].Count; i++)
|
|
{
|
|
// There is a eevee move with a greather level that current evolution move
|
|
if (EeveeLevels.Any(ev => ev > EvoLevels[i]))
|
|
incompatible_current.Add(ExclusiveMoves[1][i]);
|
|
}
|
|
return;
|
|
}
|
|
incompatible_previous = Array.Empty<int>();
|
|
incompatible_current = Array.Empty<int>();
|
|
previousspecies = 0;
|
|
}
|
|
|
|
internal static int GetRequiredMoveCount(PKM pk, int[] moves, LegalInfo info, int[] initialmoves)
|
|
{
|
|
if (!pk.Gen1_NotTradeback) // No Move Deleter in Gen 1
|
|
return 1; // Move Deleter exits, slots from 2 onwards can always 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, 0, maxlevel, minlevel);
|
|
}
|
|
|
|
internal static IEnumerable<GameVersion> GetGen2Versions(LegalInfo Info)
|
|
{
|
|
if (ParseSettings.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;
|
|
yield break;
|
|
}
|
|
if (Info.Game == GameVersion.YW)
|
|
{
|
|
yield return GameVersion.YW;
|
|
yield break;
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
|
|
private static bool GetCatchRateMatchesPreEvolution(PKM pkm, int catch_rate, IEnumerable<int> gen1)
|
|
{
|
|
// For species catch rate, discard any species that has no valid encounters and a different catch rate than their pre-evolutions
|
|
var Lineage = gen1.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);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the Tradeback status depending on various values.
|
|
/// </summary>
|
|
/// <param name="pkm">Pokémon to guess the tradeback status from.</param>
|
|
internal static TradebackType GetTradebackStatusInitial(PKM pkm)
|
|
{
|
|
if (pkm is PK1 pk1)
|
|
return GetTradebackStatusRBY(pk1);
|
|
|
|
if (pkm.Format == 2 || pkm.VC2) // Check for impossible tradeback scenarios
|
|
return !pkm.CanInhabitGen1() ? TradebackType.Gen2_NotTradeback : TradebackType.Any;
|
|
|
|
// VC2 is released, we can assume it will be TradebackType.Any.
|
|
// Is impossible to differentiate a VC1 pokemon traded to Gen7 after VC2 is available.
|
|
// Met Date cannot be used definitively as the player can change their system clock.
|
|
return TradebackType.Any;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the Tradeback status depending on the <see cref="PK1.Catch_Rate"/>
|
|
/// </summary>
|
|
/// <param name="pkm">Pokémon to guess the tradeback status from.</param>
|
|
private static TradebackType GetTradebackStatusRBY(PK1 pkm)
|
|
{
|
|
if (!ParseSettings.AllowGen1Tradeback)
|
|
return TradebackType.Gen1_NotTradeback;
|
|
|
|
// Detect tradeback status by comparing the catch rate(Gen1)/held item(Gen2) to the species in the pkm's evolution chain.
|
|
var catch_rate = pkm.Catch_Rate;
|
|
if (catch_rate == 0)
|
|
return TradebackType.WasTradeback;
|
|
|
|
var table = EvolutionTree.GetEvolutionTree(1);
|
|
var lineage = table.GetValidPreEvolutions(pkm, maxLevel: pkm.CurrentLevel);
|
|
var gen1 = lineage.Select(evolution => evolution.Species);
|
|
bool matchAny = GetCatchRateMatchesPreEvolution(pkm, catch_rate, gen1);
|
|
|
|
if (!matchAny)
|
|
return TradebackType.WasTradeback;
|
|
|
|
if (HeldItems_GSC.Contains((ushort)catch_rate))
|
|
return TradebackType.Any;
|
|
|
|
return TradebackType.Gen1_NotTradeback;
|
|
}
|
|
|
|
internal static bool IsTradedKadabraG1(PKM pkm)
|
|
{
|
|
if (!(pkm is PK1 pk1) || pk1.Species != 64)
|
|
return false;
|
|
if (pk1.TradebackStatus == TradebackType.WasTradeback)
|
|
return true;
|
|
if (ParseSettings.ActiveTrainer.Game == (int)GameVersion.Any)
|
|
return false;
|
|
var IsYellow = ParseSettings.ActiveTrainer.Game == (int)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
|
|
// Yellow Kadabra catch rate in Red/Blue game, must be Alakazam
|
|
var table = IsYellow ? PersonalTable.RB : PersonalTable.Y;
|
|
if (pk1.Catch_Rate == table[64].CatchRate)
|
|
return true;
|
|
}
|
|
if (IsYellow)
|
|
return false;
|
|
// Yellow only moves in Red/Blue game, must be Alakazam
|
|
var moves = pk1.Moves;
|
|
if (moves.Contains(134)) // Kinesis, yellow only move
|
|
return true;
|
|
if (pk1.CurrentLevel < 20 && moves.Contains(50)) // Obtaining Disable below level 20 implies a yellow only move
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
}
|
|
}
|