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PKHeX/Legality/Checks.cs
chenzw95 784bd8d661 Add legality checks for HM-specific memories 
Pokemon which have memories of using moves that they cannot learn will be flagged as illegal.
2016-05-07 14:18:52 +08:00

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C#
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using System;
using System.Collections.Generic;
using System.Linq;
namespace PKHeX
{
public enum Severity
{
Indeterminate = -2,
Invalid = -1,
Fishy = 0,
Valid = 1,
NotImplemented = 2,
}
public class LegalityCheck
{
public Severity Judgement = Severity.Valid;
public string Comment = "Valid";
public bool Valid => Judgement >= Severity.Fishy;
public bool Flag;
public LegalityCheck() { }
public LegalityCheck(Severity s, string c)
{
Judgement = s;
Comment = c;
}
}
public partial class LegalityAnalysis
{
private LegalityCheck verifyECPID()
{
// Secondary Checks
if (pk6.EncryptionConstant == 0)
return new LegalityCheck(Severity.Fishy, "Encryption Constant is not set.");
if (pk6.PID == 0)
return new LegalityCheck(Severity.Fishy, "PID is not set.");
string special = "";
if (pk6.Gen6)
{
// Wurmple -> Silcoon/Cascoon
int wIndex = Array.IndexOf(Legal.WurmpleFamily, pk6.Species);
if (wIndex > -1)
{
// Check if Wurmple was the origin (only Egg and Wild Encounter)
if (pk6.WasEgg || (EncounterType == typeof(EncounterSlot[]) && (EncounterMatch as EncounterSlot[]).All(slot => slot.Species == 265)))
if ((pk6.EncryptionConstant >> 16) % 10 / 5 != wIndex / 2)
return new LegalityCheck(Severity.Invalid, "Wurmple evolution Encryption Constant mismatch.");
}
else if (pk6.Species == 265)
special = "Wurmple Evolution: " + ((pk6.EncryptionConstant >> 16)%10/5 == 0 ? "Silcoon" : "Cascoon");
if (pk6.PID == pk6.EncryptionConstant)
return new LegalityCheck(Severity.Fishy, "Encryption Constant matches PID.");
int xor = pk6.TSV ^ pk6.PSV;
if (xor < 16 && xor >= 8 && (pk6.PID ^ 0x80000000) == pk6.EncryptionConstant)
return new LegalityCheck(Severity.Fishy, "Encryption Constant matches shinyxored PID.");
return special != "" ? new LegalityCheck(Severity.Valid, special) : new LegalityCheck();
}
// When transferred to Generation 6, the Encryption Constant is copied from the PID.
// The PID is then checked to see if it becomes shiny with the new Shiny rules (>>4 instead of >>3)
// If the PID is nonshiny->shiny, the top bit is flipped.
// Check to see if the PID and EC are properly configured.
bool xorPID = ((pk6.TID ^ pk6.SID ^ (int)(pk6.PID & 0xFFFF) ^ (int)(pk6.PID >> 16)) & 0x7) == 8;
bool valid = xorPID
? pk6.EncryptionConstant == (pk6.PID ^ 0x8000000)
: pk6.EncryptionConstant == pk6.PID;
if (!valid)
if (xorPID)
return new LegalityCheck(Severity.Invalid, "PID should be equal to EC [with top bit flipped]!");
else
return new LegalityCheck(Severity.Invalid, "PID should be equal to EC!");
return new LegalityCheck();
}
private LegalityCheck verifyNickname()
{
// If the Pokémon is not nicknamed, it should match one of the language strings.
if (pk6.Nickname.Length == 0)
return new LegalityCheck(Severity.Indeterminate, "Nickname is empty.");
if (pk6.Species > PKX.SpeciesLang[0].Length)
return new LegalityCheck(Severity.Indeterminate, "Species index invalid for Nickname comparison.");
if (!Encounter.Valid)
return new LegalityCheck(Severity.Valid, "Skipped Nickname check due to other check being invalid.");
if (pk6.Language > 8)
return new LegalityCheck(Severity.Indeterminate, "Language ID > 8.");
if (EncounterType == typeof(EncounterTrade))
{
string[] validOT = new string[0];
int index = -1;
if (pk6.XY)
{
validOT = Legal.TradeXY[pk6.Language];
index = Array.IndexOf(Legal.TradeGift_XY, EncounterMatch);
}
else if (pk6.AO)
{
validOT = Legal.TradeAO[pk6.Language];
index = Array.IndexOf(Legal.TradeGift_AO, EncounterMatch);
}
if (validOT.Length == 0)
return new LegalityCheck(Severity.Indeterminate, "Ingame Trade invalid version?");
if (index == -1 || validOT.Length < index * 2)
return new LegalityCheck(Severity.Indeterminate, "Ingame Trade invalid lookup?");
string nick = validOT[index];
string OT = validOT[validOT.Length/2 + index];
if (nick != pk6.Nickname)
return new LegalityCheck(Severity.Fishy, "Ingame Trade nickname has been altered.");
if (OT != pk6.OT_Name)
return new LegalityCheck(Severity.Invalid, "Ingame Trade OT has been altered.");
return new LegalityCheck(Severity.Valid, "Ingame Trade OT/Nickname have not been altered.");
}
if (pk6.IsEgg)
{
if (!pk6.IsNicknamed)
return new LegalityCheck(Severity.Invalid, "Eggs must be nicknamed.");
return PKX.SpeciesLang[pk6.Language][0] == pk6.Nickname
? new LegalityCheck(Severity.Valid, "Egg matches language Egg name.")
: new LegalityCheck(Severity.Invalid, "Egg name does not match language Egg name.");
}
string nickname = pk6.Nickname.Replace("'", "’");
if (pk6.IsNicknamed)
{
for (int i = 0; i < PKX.SpeciesLang.Length; i++)
{
string[] lang = PKX.SpeciesLang[i];
int index = Array.IndexOf(lang, nickname);
if (index < 0)
continue;
return index == pk6.Species && i != pk6.Language
? new LegalityCheck(Severity.Fishy, "Nickname matches another species name (+language).")
: new LegalityCheck(Severity.Fishy, "Nickname flagged, matches species name.");
}
return new LegalityCheck(Severity.Valid, "Nickname does not match another species name.");
}
// else
{
// Can't have another language name if it hasn't evolved.
return Legal.getHasEvolved(pk6) && PKX.SpeciesLang.Any(lang => lang[pk6.Species] == nickname)
|| PKX.SpeciesLang[pk6.Language][pk6.Species] == nickname
? new LegalityCheck(Severity.Valid, "Nickname matches species name.")
: new LegalityCheck(Severity.Invalid, "Nickname does not match species name.");
}
}
private LegalityCheck verifyEVs()
{
var evs = pk6.EVs;
int sum = evs.Sum();
if (sum == 0 && pk6.Stat_Level - pk6.Met_Level > 0)
return new LegalityCheck(Severity.Fishy, "All EVs are zero, but leveled above Met Level");
if (sum == 508)
return new LegalityCheck(Severity.Fishy, "2 EVs remaining.");
if (sum > 510)
return new LegalityCheck(Severity.Invalid, "EV total cannot be above 510.");
if (evs.Any(ev => ev > 252))
return new LegalityCheck(Severity.Invalid, "EVs cannot go above 252.");
if (evs.All(ev => pk6.EVs[0] == ev) && evs[0] != 0)
return new LegalityCheck(Severity.Fishy, "EVs are all equal.");
return new LegalityCheck();
}
private LegalityCheck verifyIVs()
{
if (EncounterType == typeof(EncounterStatic) && (EncounterMatch as EncounterStatic)?.IV3 == true)
if (pk6.IVs.Count(iv => iv == 31) < 3)
return new LegalityCheck(Severity.Invalid, "Should have at least 3 IVs = 31.");
if (pk6.IVs.Sum() == 0)
return new LegalityCheck(Severity.Fishy, "All IVs are zero.");
if (pk6.IVs[0] < 30 && pk6.IVs.All(iv => pk6.IVs[0] == iv))
return new LegalityCheck(Severity.Fishy, "All IVs are equal.");
return new LegalityCheck();
}
private LegalityCheck verifyID()
{
if (EncounterType == typeof(EncounterTrade))
return new LegalityCheck(); // Already matches Encounter Trade information
if (pk6.TID == 0 && pk6.SID == 0)
return new LegalityCheck(Severity.Fishy, "TID and SID are zero.");
if (pk6.TID == pk6.SID)
return new LegalityCheck(Severity.Fishy, "TID and SID are equal.");
if (pk6.TID == 0)
return new LegalityCheck(Severity.Fishy, "TID is zero.");
if (pk6.SID == 0)
return new LegalityCheck(Severity.Fishy, "SID is zero.");
return new LegalityCheck();
}
private LegalityCheck verifyEncounter()
{
if (!pk6.Gen6)
return new LegalityCheck {Judgement = Severity.NotImplemented};
if (pk6.WasLink)
{
// Should NOT be Fateful, and should be in Database
EncounterLink enc = EncounterMatch as EncounterLink;
if (enc == null)
return new LegalityCheck(Severity.Invalid, "Invalid Link Gift: unable to find matching gift.");
if (pk6.XY && !enc.XY)
return new LegalityCheck(Severity.Invalid, "Invalid Link Gift: can't obtain in XY.");
if (pk6.AO && !enc.ORAS)
return new LegalityCheck(Severity.Invalid, "Invalid Link Gift: can't obtain in ORAS.");
if (enc.Shiny != null && (bool)enc.Shiny ^ pk6.IsShiny)
return new LegalityCheck(Severity.Invalid, "Shiny Link gift mismatch.");
return pk6.FatefulEncounter
? new LegalityCheck(Severity.Invalid, "Invalid Link Gift: should not be Fateful Encounter.")
: new LegalityCheck(Severity.Valid, "Valid Link gift.");
}
if (pk6.WasEvent || pk6.WasEventEgg)
{
WC6 MatchedWC6 = EncounterMatch as WC6;
return MatchedWC6 != null // Matched in RelearnMoves check.
? new LegalityCheck(Severity.Valid, $"Matches #{MatchedWC6.CardID.ToString("0000")} ({MatchedWC6.CardTitle})")
: new LegalityCheck(Severity.Invalid, "Not a valid Wonder Card gift.");
}
EncounterMatch = null; // Reset object
if (pk6.WasEgg)
{
// Check Hatch Locations
if (pk6.Met_Level != 1)
return new LegalityCheck(Severity.Invalid, "Invalid met level, expected 1.");
// Check species
if (Legal.NoHatchFromEgg.Contains(pk6.Species))
return new LegalityCheck(Severity.Invalid, "Species cannot be hatched from an egg.");
if (pk6.IsEgg)
{
if (pk6.Egg_Location == 30002)
return new LegalityCheck(Severity.Invalid, "Egg location shouldn't be 'traded' for an un-hatched egg.");
if (pk6.Met_Location == 30002)
return new LegalityCheck(Severity.Valid, "Valid traded un-hatched egg.");
return pk6.Met_Location == 0
? new LegalityCheck(Severity.Valid, "Valid un-hatched egg.")
: new LegalityCheck(Severity.Invalid, "Invalid location for un-hatched egg (expected no met location).");
}
if (pk6.XY)
{
if (pk6.Egg_Location == 318)
return new LegalityCheck(Severity.Invalid, "Invalid X/Y egg location.");
return Legal.ValidMet_XY.Contains(pk6.Met_Location)
? new LegalityCheck(Severity.Valid, "Valid X/Y hatched egg.")
: new LegalityCheck(Severity.Invalid, "Invalid X/Y location for hatched egg.");
}
if (pk6.AO)
{
return Legal.ValidMet_AO.Contains(pk6.Met_Location)
? new LegalityCheck(Severity.Valid, "Valid OR/AS hatched egg.")
: new LegalityCheck(Severity.Invalid, "Invalid OR/AS location for hatched egg.");
}
return new LegalityCheck(Severity.Invalid, "Invalid location for hatched egg.");
}
EncounterMatch = Legal.getValidStaticEncounter(pk6);
if (EncounterMatch != null)
return new LegalityCheck(Severity.Valid, "Valid gift/static encounter.");
if (Legal.getIsFossil(pk6))
{
return pk6.AbilityNumber != 4
? new LegalityCheck(Severity.Valid, "Valid revived fossil.")
: new LegalityCheck(Severity.Invalid, "Hidden ability on revived fossil.");
}
EncounterMatch = Legal.getValidFriendSafari(pk6);
if (EncounterMatch != null)
{
if (pk6.Species == 670 || pk6.Species == 671) // Floette
if (!new[] {0, 1, 3}.Contains(pk6.AltForm)) // 0/1/3 - RBY
return new LegalityCheck(Severity.Invalid, "Friend Safari: Not valid color.");
else if (pk6.Species == 710 || pk6.Species == 711) // Pumpkaboo
if (pk6.AltForm != 1) // Average
return new LegalityCheck(Severity.Invalid, "Friend Safari: Not average sized.");
else if (pk6.Species == 586) // Sawsbuck
if (pk6.AltForm != 0)
return new LegalityCheck(Severity.Invalid, "Friend Safari: Not Spring form.");
return new LegalityCheck(Severity.Valid, "Valid friend safari encounter.");
}
EncounterMatch = Legal.getValidWildEncounters(pk6);
if (EncounterMatch != null)
{
EncounterSlot[] enc = (EncounterSlot[])EncounterMatch;
if (enc.Any(slot => slot.Normal))
return enc.All(slot => slot.Pressure)
? new LegalityCheck(Severity.Valid, "Valid encounter at location (Pressure/Hustle/Vital Spirit).")
: new LegalityCheck(Severity.Valid, "Valid encounter at location.");
// Decreased Level Encounters
if (enc.Any(slot => slot.WhiteFlute))
return enc.All(slot => slot.Pressure)
? new LegalityCheck(Severity.Valid, "Valid encounter at location (White Flute & Pressure/Hustle/Vital Spirit).")
: new LegalityCheck(Severity.Valid, "Valid encounter at location (White Flute).");
// Increased Level Encounters
if (enc.Any(slot => slot.BlackFlute))
return enc.All(slot => slot.Pressure)
? new LegalityCheck(Severity.Valid, "Valid encounter at location (Black Flute & Pressure/Hustle/Vital Spirit).")
: new LegalityCheck(Severity.Valid, "Valid encounter at location (Black Flute).");
if (enc.Any(slot => slot.Pressure))
return new LegalityCheck(Severity.Valid, "Valid encounter at location (Pressure/Hustle/Vital Spirit).");
return new LegalityCheck(Severity.Valid, "Valid encounter at location (DexNav).");
}
EncounterMatch = Legal.getValidIngameTrade(pk6);
if (EncounterMatch != null)
{
return new LegalityCheck(Severity.Valid, "Valid ingame trade.");
}
return new LegalityCheck(Severity.Invalid, "Not a valid encounter.");
}
private LegalityCheck verifyLevel()
{
WC6 MatchedWC6 = EncounterMatch as WC6;
if (MatchedWC6 != null && MatchedWC6.Level != pk6.Met_Level)
return new LegalityCheck(Severity.Invalid, "Met Level does not match Wonder Card level.");
int lvl = pk6.CurrentLevel;
if (lvl < pk6.Met_Level)
return new LegalityCheck(Severity.Invalid, "Current level is below met level.");
if ((pk6.WasEgg || EncounterMatch == null) && !Legal.getEvolutionValid(pk6) && pk6.Species != 350)
return new LegalityCheck(Severity.Invalid, "Level is below evolution requirements.");
if (lvl > pk6.Met_Level && lvl > 1 && lvl != 100 && pk6.EXP == PKX.getEXP(pk6.Stat_Level, pk6.Species))
return new LegalityCheck(Severity.Fishy, "Current experience matches level threshold.");
return new LegalityCheck(Severity.Valid, "Current level is not below met level.");
}
private LegalityCheck verifyRibbons()
{
if (!Encounter.Valid)
return new LegalityCheck(Severity.Valid, "Skipped Ribbon check due to other check being invalid.");
List<string> missingRibbons = new List<string>();
List<string> invalidRibbons = new List<string>();
// Check Event Ribbons
bool[] EventRib =
{
pk6.RIB2_6, pk6.RIB2_7, pk6.RIB3_0, pk6.RIB3_1, pk6.RIB3_2,
pk6.RIB3_3, pk6.RIB3_4, pk6.RIB3_5, pk6.RIB3_6, pk6.RIB3_7,
pk6.RIB4_0, pk6.RIB4_1, pk6.RIB4_2, pk6.RIB4_3, pk6.RIB4_4
};
WC6 MatchedWC6 = EncounterMatch as WC6;
if (MatchedWC6 != null) // Wonder Card
{
bool[] wc6rib =
{
MatchedWC6.RIB0_3, MatchedWC6.RIB0_4, MatchedWC6.RIB0_5, MatchedWC6.RIB0_6, MatchedWC6.RIB1_5,
MatchedWC6.RIB1_6, MatchedWC6.RIB0_7, MatchedWC6.RIB1_1, MatchedWC6.RIB1_2, MatchedWC6.RIB1_3,
MatchedWC6.RIB1_4, MatchedWC6.RIB0_0, MatchedWC6.RIB0_1, MatchedWC6.RIB0_2, MatchedWC6.RIB1_0
};
for (int i = 0; i < EventRib.Length; i++)
if (EventRib[i] ^ wc6rib[i]) // Mismatch
(wc6rib[i] ? missingRibbons : invalidRibbons).Add(EventRibName[i]);
}
else if (EncounterType == typeof(EncounterLink))
{
// No Event Ribbons except Classic (unless otherwise specified, ie not for Demo)
for (int i = 0; i < EventRib.Length; i++)
if (i != 4 && EventRib[i])
invalidRibbons.Add(EventRibName[i]);
if (EventRib[4] ^ ((EncounterLink)EncounterMatch).Classic)
(EventRib[4] ? invalidRibbons : missingRibbons).Add(EventRibName[4]);
}
else // No ribbons
{
for (int i = 0; i < EventRib.Length; i++)
if (EventRib[i])
invalidRibbons.Add(EventRibName[i]);
}
// Unobtainable ribbons for Gen6 Origin
if (pk6.RIB0_1)
invalidRibbons.Add("GBA Champion"); // RSE HoF
if (pk6.RIB0_2)
invalidRibbons.Add("Sinnoh Champ"); // DPPt HoF
if (pk6.RIB2_2)
invalidRibbons.Add("Artist"); // RSE Master Rank Portrait
if (pk6.RIB2_4)
invalidRibbons.Add("Record"); // Unobtainable
if (pk6.RIB2_5)
invalidRibbons.Add("Legend"); // HGSS Defeat Red @ Mt.Silver
if (pk6.Memory_ContestCount > 0)
invalidRibbons.Add("Contest Memory"); // Gen3/4 Contest
if (pk6.Memory_BattleCount > 0)
invalidRibbons.Add("Battle Memory"); // Gen3/4 Battle
if (missingRibbons.Count + invalidRibbons.Count == 0)
return new LegalityCheck(Severity.Valid, "All ribbons accounted for.");
string[] result = new string[2];
if (missingRibbons.Count > 0)
result[0] = "Missing Ribbons: " + string.Join(", ", missingRibbons);
if (invalidRibbons.Count > 0)
result[1] = "Invalid Ribbons: " + string.Join(", ", invalidRibbons);
return new LegalityCheck(Severity.Invalid, string.Join(Environment.NewLine, result.Where(s=>!string.IsNullOrEmpty(s))));
}
private LegalityCheck verifyAbility()
{
int index = Legal.PersonalAO[pk6.Species].FormeIndex(pk6.Species, pk6.AltForm);
byte[] abilities = Legal.PersonalAO[index].Abilities;
int abilval = Array.IndexOf(abilities, (byte)pk6.Ability);
if (abilval < 0)
return new LegalityCheck(Severity.Invalid, "Ability is not valid for species/form.");
if (EncounterMatch != null)
{
if (EncounterType == typeof(EncounterStatic))
if (pk6.AbilityNumber == 4 ^ ((EncounterStatic)EncounterMatch).Ability == 4)
return new LegalityCheck(Severity.Invalid, "Hidden Ability mismatch for static encounter.");
if (EncounterType == typeof(EncounterTrade))
if (pk6.AbilityNumber == 4 ^ ((EncounterTrade)EncounterMatch).Ability == 4)
return new LegalityCheck(Severity.Invalid, "Hidden Ability mismatch for ingame trade.");
if (EncounterType == typeof(EncounterSlot[]) && pk6.AbilityNumber == 4)
{
var slots = (EncounterSlot[])EncounterMatch;
bool valid = slots.Any(slot => slot.DexNav ||
slot.Type == SlotType.FriendSafari ||
slot.Type == SlotType.Horde);
if (!valid)
return new LegalityCheck(Severity.Invalid, "Hidden Ability on non-horde/friend safari wild encounter.");
}
}
return abilities[pk6.AbilityNumber >> 1] != pk6.Ability
? new LegalityCheck(Severity.Invalid, "Ability does not match ability number.")
: new LegalityCheck(Severity.Valid, "Ability matches ability number.");
}
private LegalityCheck verifyBall()
{
if (!pk6.Gen6)
return new LegalityCheck();
if (!Encounter.Valid)
return new LegalityCheck(Severity.Valid, "Skipped Ball check due to other check being invalid.");
if (EncounterType == typeof(WC6))
return pk6.Ball != ((WC6)EncounterMatch).Pokéball
? new LegalityCheck(Severity.Invalid, "Ball does not match specified Wonder Card Ball.")
: new LegalityCheck(Severity.Valid, "Ball matches Wonder Card.");
if (EncounterType == typeof(EncounterLink))
return ((EncounterLink)EncounterMatch).Ball != pk6.Ball
? new LegalityCheck(Severity.Invalid, "Incorrect ball on Link gift.")
: new LegalityCheck(Severity.Valid, "Correct ball on Link gift.");
if (EncounterType == typeof(EncounterTrade))
return pk6.Ball != 4 // Pokeball
? new LegalityCheck(Severity.Invalid, "Incorrect ball on ingame trade encounter.")
: new LegalityCheck(Severity.Valid, "Correct ball on ingame trade encounter.");
if (pk6.Ball == 0x04) // Poké Ball
return new LegalityCheck(Severity.Valid, "Standard Poké Ball.");
if (EncounterType == typeof(EncounterStatic))
{
EncounterStatic enc = EncounterMatch as EncounterStatic;
if (enc.Gift)
return enc.Ball != pk6.Ball // Pokéball by default
? new LegalityCheck(Severity.Invalid, "Incorrect ball on ingame gift.")
: new LegalityCheck(Severity.Valid, "Correct ball on ingame gift.");
return !Legal.WildPokeballs.Contains(pk6.Ball)
? new LegalityCheck(Severity.Invalid, "Incorrect ball on ingame static encounter.")
: new LegalityCheck(Severity.Valid, "Correct ball on ingame static encounter.");
}
if (EncounterType == typeof(EncounterSlot[]))
return !Legal.WildPokeballs.Contains(pk6.Ball)
? new LegalityCheck(Severity.Invalid, "Incorrect ball on ingame encounter.")
: new LegalityCheck(Severity.Valid, "Correct ball on ingame encounter.");
if (pk6.WasEgg)
{
if (pk6.Ball == 0x01) // Master Ball
return new LegalityCheck(Severity.Invalid, "Master Ball on egg origin.");
if (pk6.Ball == 0x10) // Cherish Ball
return new LegalityCheck(Severity.Invalid, "Cherish Ball on non-event.");
if (pk6.Gender == 2) // Genderless
return pk6.Ball != 0x04 // Must be Pokéball as ball can only pass via mother (not Ditto!)
? new LegalityCheck(Severity.Invalid, "Non-Pokéball on genderless egg.")
: new LegalityCheck(Severity.Valid, "Pokéball on genderless egg.");
if (Legal.BreedMaleOnly.Contains(pk6.Species))
return pk6.Ball != 0x04 // Must be Pokéball as ball can only pass via mother (not Ditto!)
? new LegalityCheck(Severity.Invalid, "Non-Pokéball on Male-Only egg.")
: new LegalityCheck(Severity.Valid, "Pokéball on Male-Only egg.");
if (pk6.Ball == 0x05) // Safari Ball
{
if (Legal.getLineage(pk6).All(e => !Legal.Inherit_Safari.Contains(e)))
return new LegalityCheck(Severity.Invalid, "Safari Ball not possible for species.");
if (pk6.AbilityNumber == 4)
return new LegalityCheck(Severity.Invalid, "Safari Ball with Hidden Ability.");
return new LegalityCheck(Severity.Valid, "Safari Ball possible for species.");
}
if (0x10 < pk6.Ball && pk6.Ball < 0x18) // Apricorn Ball
{
if (Legal.getLineage(pk6).All(e => !Legal.Inherit_Apricorn.Contains(e)))
return new LegalityCheck(Severity.Invalid, "Apricorn Ball not possible for species.");
if (pk6.AbilityNumber == 4)
return new LegalityCheck(Severity.Invalid, "Apricorn Ball with Hidden Ability.");
return new LegalityCheck(Severity.Valid, "Apricorn Ball possible for species.");
}
if (pk6.Ball == 0x18) // Sport Ball
{
if (Legal.getLineage(pk6).All(e => !Legal.Inherit_Sport.Contains(e)))
return new LegalityCheck(Severity.Invalid, "Sport Ball not possible for species.");
if (pk6.AbilityNumber == 4)
return new LegalityCheck(Severity.Invalid, "Sport Ball with Hidden Ability.");
return new LegalityCheck(Severity.Valid, "Sport Ball possible for species.");
}
if (pk6.Ball == 0x19) // Dream Ball
{
if (Legal.getLineage(pk6).All(e => !Legal.Inherit_Dream.Contains(e)))
return new LegalityCheck(Severity.Invalid, "Dream Ball not possible for species.");
return new LegalityCheck(Severity.Valid, "Dream Ball possible for species.");
}
if (pk6.Species > 650 && pk6.Species != 700) // Sylveon
return !Legal.WildPokeballs.Contains(pk6.Ball)
? new LegalityCheck(Severity.Invalid, "Unobtainable ball for Kalos origin.")
: new LegalityCheck(Severity.Valid, "Obtainable ball for Kalos origin.");
if (0x0D <= pk6.Ball && pk6.Ball <= 0x0F)
{
if (Legal.Ban_Gen4Ball.Contains(pk6.Species))
return new LegalityCheck(Severity.Invalid, "Unobtainable capture for Gen4 Ball.");
return new LegalityCheck(Severity.Valid, "Obtainable capture for Gen4 Ball.");
}
if (0x02 <= pk6.Ball && pk6.Ball <= 0x0C) // Don't worry, Ball # 0x05 was already checked.
{
if (Legal.Ban_Gen3Ball.Contains(pk6.Species))
return new LegalityCheck(Severity.Invalid, "Unobtainable capture for Gen4 Ball.");
return new LegalityCheck(Severity.Valid, "Obtainable capture for Gen4 Ball.");
}
}
return new LegalityCheck(Severity.Invalid, "No ball check satisfied, assuming illegal.");
}
private LegalityCheck verifyHistory()
{
if (!Encounter.Valid)
return new LegalityCheck(Severity.Valid, "Skipped Memory check due to other check being invalid.");
WC6 MatchedWC6 = EncounterMatch as WC6;
if (MatchedWC6?.OT.Length > 0) // Has Event OT -- null propagation yields false if MatchedWC6=null
{
if (pk6.OT_Friendship != PKX.getBaseFriendship(pk6.Species))
return new LegalityCheck(Severity.Invalid, "Event OT Friendship does not match base friendship.");
if (pk6.OT_Affection != 0)
return new LegalityCheck(Severity.Invalid, "Event OT Affection should be zero.");
if (pk6.CurrentHandler != 1)
return new LegalityCheck(Severity.Invalid, "Current handler should not be Event OT.");
}
if (!pk6.WasEvent && (pk6.HT_Name.Length == 0 || pk6.Geo1_Country == 0)) // Is not Traded
{
if (pk6.HT_Name.Length != 0)
return new LegalityCheck(Severity.Invalid, "GeoLocation -- HT Name present but has no previous Country.");
if (pk6.Geo1_Country != 0)
return new LegalityCheck(Severity.Invalid, "GeoLocation -- Previous country of residence but no Handling Trainer.");
if (pk6.HT_Memory != 0)
return new LegalityCheck(Severity.Invalid, "Memory -- Handling Trainer memory present but no Handling Trainer.");
if (pk6.CurrentHandler != 0) // Badly edited; PKHeX doesn't trip this.
return new LegalityCheck(Severity.Invalid, "Untraded -- Current handler should not be the Handling Trainer.");
if (pk6.HT_Friendship != 0)
return new LegalityCheck(Severity.Invalid, "Untraded -- Handling Trainer Friendship should be zero.");
if (pk6.HT_Affection != 0)
return new LegalityCheck(Severity.Invalid, "Untraded -- Handling Trainer Affection should be zero.");
if (pk6.XY && pk6.CNTs.Any(stat => stat > 0))
return new LegalityCheck(Severity.Invalid, "Untraded -- Contest stats on XY should be zero.");
// We know it is untraded (HT is empty), if it must be trade evolved flag it.
if (Legal.getHasTradeEvolved(pk6))
{
if (pk6.Species != 350) // Milotic
return new LegalityCheck(Severity.Invalid, "Untraded -- requires a trade evolution.");
if (pk6.CNT_Beauty < 170) // Beauty Contest Stat Requirement
return new LegalityCheck(Severity.Invalid, "Untraded -- Beauty is not high enough for Levelup Evolution.");
if (pk6.CurrentLevel == 1)
return new LegalityCheck(Severity.Invalid, "Untraded -- Beauty is high enough but still Level 1.");
}
}
else // Is Traded
{
if (pk6.HT_Memory == 0)
return new LegalityCheck(Severity.Invalid, "Memory -- missing Handling Trainer Memory.");
}
// Memory Checks
if (pk6.IsEgg)
{
if (pk6.HT_Memory != 0)
return new LegalityCheck(Severity.Invalid, "Memory -- has Handling Trainer Memory.");
if (pk6.OT_Memory != 0)
return new LegalityCheck(Severity.Invalid, "Memory -- has Original Trainer Memory.");
}
else if (EncounterType != typeof(WC6))
{
if (pk6.OT_Memory == 0 ^ !pk6.Gen6)
return new LegalityCheck(Severity.Invalid, "Memory -- missing Original Trainer Memory.");
if (!pk6.Gen6 && pk6.OT_Affection != 0)
return new LegalityCheck(Severity.Invalid, "OT Affection should be zero.");
}
// Unimplemented: Ingame Trade Memories
return new LegalityCheck(Severity.Valid, "History is valid.");
}
private LegalityCheck verifyCommonMemory(int handler)
{
int m = 0;
string resultPrefix = "";
switch (handler)
{
case 0:
m = pk6.OT_Memory;
resultPrefix = "OT ";
break;
case 1:
m = pk6.HT_Memory;
resultPrefix = "HT ";
break;
}
int matchingMoveMemory = Array.IndexOf(Legal.MoveSpecificMemories[0], m);
if (matchingMoveMemory != -1 && !Legal.isValidMachineMove(pk6, Legal.MoveSpecificMemories[1][matchingMoveMemory]))
{
return new LegalityCheck(Severity.Invalid, resultPrefix + "Memory: Species cannot learn this move.");
}
return new LegalityCheck(Severity.Valid, resultPrefix + "Memory is valid.");
}
private LegalityCheck verifyOTMemory()
{
if (!History.Valid)
return new LegalityCheck(Severity.Valid, "Skipped OT Memory check as History is not valid.");
if (EncounterType == typeof(EncounterTrade))
{
return new LegalityCheck(Severity.Valid, "OT Memory (Ingame Trade) is valid.");
}
if (EncounterType == typeof(WC6))
{
if (pk6.OT_Memory != 0)
return new LegalityCheck(Severity.Invalid, "Event Pokémon should not have an OT memory.");
return new LegalityCheck(Severity.Valid, "OT Memory (Event) is valid.");
}
switch (pk6.OT_Memory)
{
case 4: // {0} became {1}’s friend when it arrived via Link Trade at... {2}. {4} that {3}.
return new LegalityCheck(Severity.Invalid, "OT Memory: Link Trade is not a valid first memory.");
case 14:
if (!Legal.getCanBeCaptured(pk6.OT_TextVar, pk6.Version))
return new LegalityCheck(Severity.Invalid, "OT Memory: Captured Species can not be captured in game.");
return new LegalityCheck(Severity.Valid, "OT Memory: Captured Species can be captured in game.");
}
if (pk6.XY && Legal.Memory_NotXY.Contains(pk6.OT_Memory))
return new LegalityCheck(Severity.Invalid, "OT Memory: OR/AS exclusive memory on X/Y origin.");
if (pk6.AO && Legal.Memory_NotAO.Contains(pk6.OT_Memory))
return new LegalityCheck(Severity.Invalid, "OT Memory: X/Y exclusive memory on OR/AS origin.");
return verifyCommonMemory(0);
}
private LegalityCheck verifyHTMemory()
{
if (!History.Valid)
return new LegalityCheck(Severity.Valid, "Skipped OT Memory check as History is not valid.");
switch (pk6.HT_Memory)
{
case 1: // {0} met {1} at... {2}. {1} threw a Poké Ball at it, and they started to travel together. {4} that {3}.
return new LegalityCheck(Severity.Invalid, "HT Memory: Handling Trainer did not capture this.");
case 2: // {0} hatched from an Egg and saw {1} for the first time at... {2}. {4} that {3}.
return new LegalityCheck(Severity.Invalid, "HT Memory: Handling Trainer did not hatch this.");
case 14:
if (!Legal.getCanBeCaptured(pk6.HT_TextVar))
return new LegalityCheck(Severity.Invalid, "HT Memory: Captured Species can not be captured in game.");
return new LegalityCheck(Severity.Valid, "HT Memory: Captured Species can be captured in game.");
}
return verifyCommonMemory(1);
}
private LegalityCheck verifyForm()
{
if (!Encounter.Valid)
return new LegalityCheck(Severity.Valid, "Skipped Form check due to other check being invalid.");
switch (pk6.Species)
{
case 25:
if (pk6.AltForm != 0 ^ EncounterType == typeof(EncounterStatic))
return EncounterType == typeof(EncounterStatic)
? new LegalityCheck(Severity.Invalid, "Cosplay Pikachu cannot have the default form.")
: new LegalityCheck(Severity.Invalid, "Only Cosplay Pikachu can have this form.");
break;
case 664:
case 665:
if (pk6.AltForm > 17) // Fancy & Pokéball
return new LegalityCheck(Severity.Invalid, "Event Vivillon pattern on pre-evolution.");
break;
case 666:
if (pk6.AltForm > 17) // Fancy & Pokéball
return EncounterType != typeof (WC6)
? new LegalityCheck(Severity.Invalid, "Invalid Vivillon pattern.")
: new LegalityCheck(Severity.Valid, "Valid Vivillon pattern.");
break;
case 670:
if (pk6.AltForm == 5) // Eternal Flower
return EncounterType != typeof (WC6)
? new LegalityCheck(Severity.Invalid, "Invalid Eternal Flower encounter.")
: new LegalityCheck(Severity.Valid, "Valid Eternal Flower encounter.");
break;
}
return pk6.AltForm > 0 && (Legal.BattleForms.Contains(pk6.Species) || Legal.BattleMegas.Contains(pk6.Species))
? new LegalityCheck(Severity.Invalid, "Form cannot exist outside of a battle.")
: new LegalityCheck();
}
private LegalityCheck verifyMisc()
{
if (pk6.Gen6 && Encounter.Valid && EncounterType == typeof(WC6) ^ pk6.FatefulEncounter)
{
if (EncounterType == typeof(EncounterStatic) && pk6.Species == 386) // Deoxys Matched @ Sky Pillar
return new LegalityCheck();
return new LegalityCheck(Severity.Invalid, "Fateful Encounter should " + (pk6.FatefulEncounter ? "not " : "") + "be checked.");
}
return new LegalityCheck();
}
private LegalityCheck[] verifyMoves()
{
int[] Moves = pk6.Moves;
LegalityCheck[] res = new LegalityCheck[4];
for (int i = 0; i < 4; i++)
res[i] = new LegalityCheck();
if (!pk6.Gen6)
return res;
var validMoves = Legal.getValidMoves(pk6).ToArray();
if (pk6.Species == 235)
{
for (int i = 0; i < 4; i++)
res[i] = Legal.InvalidSketch.Contains(Moves[i])
? new LegalityCheck(Severity.Invalid, "Invalid Sketch move.")
: new LegalityCheck();
}
else if (CardMatch?.Count > 1) // Multiple possible WC6 matched
{
int[] RelearnMoves = pk6.RelearnMoves;
foreach (var wc in CardMatch)
{
for (int i = 0; i < 4; i++)
{
if (Moves[i] == Legal.Struggle)
res[i] = new LegalityCheck(Severity.Invalid, "Invalid Move: Struggle.");
else if (validMoves.Contains(Moves[i]))
res[i] = new LegalityCheck(Severity.Valid, Moves[i] == 0 ? "Empty" : "Level-up.");
else if (RelearnMoves.Contains(Moves[i]))
res[i] = new LegalityCheck(Severity.Valid, Moves[i] == 0 ? "Empty" : "Relearn Move.") { Flag = true };
else if (wc.Moves.Contains(Moves[i]))
res[i] = new LegalityCheck(Severity.Valid, "Wonder Card Non-Relearn Move.");
else
res[i] = new LegalityCheck(Severity.Invalid, "Invalid Move.");
}
if (res.All(r => r.Valid)) // Card matched
{ EncounterMatch = wc; RelearnBase = wc.RelearnMoves; }
}
}
else
{
int[] RelearnMoves = pk6.RelearnMoves;
WC6 MatchedWC6 = EncounterMatch as WC6;
int[] WC6Moves = MatchedWC6?.Moves ?? new int[0];
for (int i = 0; i < 4; i++)
{
if (Moves[i] == Legal.Struggle)
res[i] = new LegalityCheck(Severity.Invalid, "Invalid Move: Struggle.");
else if (validMoves.Contains(Moves[i]))
res[i] = new LegalityCheck(Severity.Valid, Moves[i] == 0 ? "Empty" : "Level-up.");
else if (RelearnMoves.Contains(Moves[i]))
res[i] = new LegalityCheck(Severity.Valid, Moves[i] == 0 ? "Empty" : "Relearn Move.") { Flag = true };
else if (WC6Moves.Contains(Moves[i]))
res[i] = new LegalityCheck(Severity.Valid, "Wonder Card Non-Relearn Move.");
else
res[i] = new LegalityCheck(Severity.Invalid, "Invalid Move.");
}
}
if (Moves[0] == 0)
res[0] = new LegalityCheck(Severity.Invalid, "Invalid Move.");
if (pk6.Species == 647) // Keldeo
if (pk6.AltForm == 1 ^ pk6.Moves.Contains(548))
res[0] = new LegalityCheck(Severity.Invalid, "Secret Sword / Resolute Keldeo Mismatch.");
// Duplicate Moves Check
for (int i = 0; i < 4; i++)
if (Moves.Count(m => m != 0 && m == Moves[i]) > 1)
res[i] = new LegalityCheck(Severity.Invalid, "Duplicate Move.");
return res;
}
private LegalityCheck[] verifyRelearn()
{
RelearnBase = null;
LegalityCheck[] res = new LegalityCheck[4];
int[] Moves = pk6.RelearnMoves;
if (!pk6.Gen6)
goto noRelearn;
if (pk6.WasLink)
{
var Link = Legal.getValidLinkGifts(pk6);
if (Link == null)
{
for (int i = 0; i < 4; i++)
res[i] = new LegalityCheck();
return res;
}
EncounterMatch = Link;
int[] moves = ((EncounterLink)EncounterMatch).RelearnMoves;
RelearnBase = moves;
for (int i = 0; i < 4; i++)
res[i] = moves[i] != Moves[i]
? new LegalityCheck(Severity.Invalid, $"Expected: {movelist[moves[i]]}.")
: new LegalityCheck();
return res;
}
if (pk6.WasEvent || pk6.WasEventEgg)
{
// Get WC6's that match
CardMatch = new List<WC6>(Legal.getValidWC6s(pk6));
foreach (var wc in CardMatch.ToArray())
{
int[] moves = wc.RelearnMoves;
for (int i = 0; i < 4; i++)
res[i] = moves[i] != Moves[i]
? new LegalityCheck(Severity.Invalid, $"Expected ID: {movelist[moves[i]]}.")
: new LegalityCheck(Severity.Valid, $"Matched WC #{wc.CardID.ToString("0000")}");
if (res.Any(r => !r.Valid))
CardMatch.Remove(wc);
}
if (CardMatch.Count > 1)
return res;
if (CardMatch.Count == 1)
{ EncounterMatch = CardMatch[0]; RelearnBase = CardMatch[0].RelearnMoves; return res; }
EncounterMatch = EncounterType = null;
goto noRelearn; // No WC match
}
if (pk6.WasEgg)
{
const int games = 2;
bool checkAllGames = pk6.WasTradedEgg;
bool splitBreed = Legal.SplitBreed.Contains(pk6.Species);
int iterate = (checkAllGames ? games : 1) * (splitBreed ? 2 : 1);
for (int i = 0; i < iterate; i++)
{
int gameSource = !checkAllGames ? -1 : i % iterate / (splitBreed ? 2 : 1);
int skipOption = splitBreed && iterate / 2 <= i ? 1 : 0;
// Obtain level1 moves
List<int> baseMoves = new List<int>(Legal.getBaseEggMoves(pk6, skipOption, gameSource));
int baseCt = baseMoves.Count;
if (baseCt > 4) baseCt = 4;
// Obtain Nonstandard moves
var relearnMoves = Legal.getValidRelearn(pk6, skipOption).ToArray();
var relearn = pk6.RelearnMoves.Where(move => move != 0
&& (!baseMoves.Contains(move) || relearnMoves.Contains(move))
).ToArray();
int relearnCt = relearn.Length;
// Get Move Window
List<int> window = new List<int>(baseMoves);
window.AddRange(relearn);
int[] moves = window.Skip(baseCt + relearnCt - 4).Take(4).ToArray();
Array.Resize(ref moves, 4);
int req;
if (relearnCt == 4)
req = 0;
else if (baseCt + relearnCt > 4)
req = 4 - relearnCt;
else
req = baseCt;
// Movepool finalized! Check validity.
int[] rl = pk6.RelearnMoves;
string em = string.Join(", ", baseMoves.Select(r => r >= movelist.Length ? "ERROR" : movelist[r]));
RelearnBase = baseMoves.ToArray();
// Base Egg Move
for (int j = 0; j < req; j++)
{
if (baseMoves.Contains(rl[j]))
res[j] = new LegalityCheck(Severity.Valid, "Base egg move.");
else
{
res[j] = new LegalityCheck(Severity.Invalid, "Base egg move missing.");
for (int f = j+1; f < req; f++)
res[f] = new LegalityCheck(Severity.Invalid, "Base egg move missing.");
res[req-1].Comment += $"{Environment.NewLine}Expected the following Relearn Moves: {em}.";
break;
}
}
// Non-Base
if (Legal.LightBall.Contains(pk6.Species))
relearnMoves = relearnMoves.Concat(new[] { 344 }).ToArray();
for (int j = req; j < 4; j++)
res[j] = !relearnMoves.Contains(rl[j])
? new LegalityCheck(Severity.Invalid, "Not an expected relearn move.")
: new LegalityCheck(Severity.Valid, rl[j] == 0 ? "Empty" : "Relearn move.");
if (res.All(r => r.Valid))
break;
}
return res;
}
if (Moves[0] != 0) // DexNav only?
{
// Check DexNav
if (!Legal.getDexNavValid(pk6))
goto noRelearn;
res[0] = !Legal.getValidRelearn(pk6, 0).Contains(Moves[0])
? new LegalityCheck(Severity.Invalid, "Not an expected DexNav move.")
: new LegalityCheck();
for (int i = 1; i < 4; i++)
res[i] = Moves[i] != 0
? new LegalityCheck(Severity.Invalid, "Expected no Relearn Move in slot.")
: new LegalityCheck();
if (res[0].Valid)
RelearnBase = new[] { Moves[0], 0, 0, 0 };
return res;
}
// Should have no relearn moves.
noRelearn:
for (int i = 0; i < 4; i++)
res[i] = Moves[i] != 0
? new LegalityCheck(Severity.Invalid, "Expected no Relearn Moves.")
: new LegalityCheck();
return res;
}
internal static string[] movelist = Util.getStringList("moves", "en");
private static readonly string[] EventRibName =
{
"Country", "National", "Earth", "World", "Classic",
"Premier", "Event", "Birthday", "Special", "Souvenir",
"Wishing", "Battle Champ", "Regional Champ", "National Champ", "World Champ"
};
}
}
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