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PKHeX/PKHeX.Core/Legality/Verifiers/BallVerifier.cs
Kurt aa3b64dc6d Simplify ball check logic 
fetch a single result and add it to the analysis

can probably remove the GetLineage call since the encountermatch stores
the original species
2018-06-30 10:34:09 -07:00

252 lines
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C#
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using System.Collections.Generic;
using System.Linq;
using static PKHeX.Core.LegalityCheckStrings;
namespace PKHeX.Core
{
public class BallVerifier : Verifier
{
protected override CheckIdentifier Identifier => CheckIdentifier.Ball;
private CheckResult NONE => GetInvalid(V125);
public override void Verify(LegalityAnalysis data)
{
if (data.pkm.Format <= 2)
return; // no ball info saved
var result = VerifyBall(data);
data.AddLine(result);
}
private CheckResult VerifyBall(LegalityAnalysis data)
{
var EncounterMatch = data.EncounterMatch;
var Info = data.Info;
// Fixed ball cases -- can be only one ball ever
if (EncounterMatch is MysteryGift g)
return VerifyBallMysteryGift(data, g);
if (EncounterMatch is EncounterLink l)
return VerifyBallEquals(data, l.Ball);
if (EncounterMatch is EncounterTrade t)
return VerifyBallEquals(data, t.Ball);
if (EncounterMatch is EncounterStatic s && s.Gift)
return VerifyBallEquals(data, s.Ball);
// Capture / Inherit cases -- can be one of many balls
var pkm = data.pkm;
if (pkm.Species == 292 && Info.Generation > 3) // Shedinja. For gen3, copy the ball from Nincada
return VerifyBallEquals(data, 4); // Pokeball Only
if (pkm.Ball == 0x14 && Legal.AlolanCaptureNoHeavyBall.Contains(EncounterMatch.Species)
&& !EncounterMatch.EggEncounter && pkm.SM) // Heavy Ball, can inherit if from egg (USUM fixed catch rate calc)
return GetInvalid(V116);
if (EncounterMatch is EncounterStatic e)
return VerifyBallStatic(data, e);
if (EncounterMatch is EncounterSlot w)
return VerifyBallWild(data, w);
if (EncounterMatch is EncounterEgg)
return VerifyBallEgg(data);
return VerifyBallEquals(data, 4); // Pokeball
}
private CheckResult VerifyBallMysteryGift(LegalityAnalysis data, MysteryGift g)
{
if (g.Gen4 && g.Species == 490 && g.Ball == 0) // there is no ball data in Manaphy Mystery Gift from Gen4
return VerifyBallEquals(data, 4); // Pokeball
return VerifyBallEquals(data, g.Ball);
}
private CheckResult VerifyBallStatic(LegalityAnalysis data, EncounterStatic s)
{
if (s.Location == 75 && s.Generation == 5) // Entree Forest (Dream World)
return VerifyBallEquals(data, Legal.DreamWorldBalls);
return VerifyBallEquals(data, Legal.GetWildBalls(data.pkm));
}
private CheckResult VerifyBallWild(LegalityAnalysis data, EncounterSlot w)
{
if (w.Location == 30016 && w.Generation == 7) // Poké Pelago
return VerifyBallEquals(data, 4); // Pokeball
var Info = data.Info;
// For gen3/4 Safari Zones and BCC getValidWildEncounters already filter to not return
// mixed possible encounters between safari, BCC and other encounters
// That means is the first encounter is not safari then there is no safari encounter in the array
if (3 <= Info.Generation && Info.Generation <= 4 && w.Type.IsSafariType())
return VerifyBallEquals(data, 5); // Safari Ball
if (Info.Generation == 4 && w.Type == SlotType.BugContest)
return VerifyBallEquals(data, 0x18); // Sport Ball
return VerifyBallEquals(data, Legal.GetWildBalls(data.pkm));
}
private CheckResult VerifyBallEgg(LegalityAnalysis data)
{
var pkm = data.pkm;
if (data.Info.Generation < 6) // No inheriting Balls
return VerifyBallEquals(data, 4); // Must be Pokéball -- no ball inheritance.
switch (pkm.Ball)
{
case 0x04: return GetValid(V119); // Poké Ball
case 0x01: return GetInvalid(V117); // Master Ball
case 0x10: return GetInvalid(V120); // Cherish Ball
default: return VerifyBallInherited(data);
}
}
private CheckResult VerifyBallInherited(LegalityAnalysis data)
{
switch (data.Info.Generation)
{
case 6: return VerifyBallEggGen6(data); // Gen6 Inheritance Rules
case 7: return VerifyBallEggGen7(data); // Gen7 Inheritance Rules
default: return NONE;
}
}
private CheckResult VerifyBallEggGen6(LegalityAnalysis data)
{
var pkm = data.pkm;
if (pkm.Gender == 2 || Legal.BreedMaleOnly.Contains(data.EncounterMatch.Species)) // Genderless
return VerifyBallEquals(data, 4); // Must be Pokéball as ball can only pass via mother (not Ditto!)
int ball = pkm.Ball;
if (ball >= 26)
return GetInvalid(V126);
if (ball == 0x05) // Safari Ball
{
if (EvolutionChain.GetLineage(pkm).All(e => !Legal.Inherit_Safari.Contains(e)))
return GetInvalid(V121);
if (pkm.AbilityNumber == 4)
return GetInvalid(V122);
return GetValid(V123);
}
if (0x10 < ball && ball < 0x18) // Apricorn Ball
{
if (EvolutionChain.GetLineage(pkm).All(e => !Legal.Inherit_Apricorn6.Contains(e)))
return GetInvalid(V121);
if (pkm.AbilityNumber == 4)
return GetInvalid(V122);
return GetValid(V123);
}
if (ball == 0x18) // Sport Ball
{
if (EvolutionChain.GetLineage(pkm).All(e => !Legal.Inherit_Sport.Contains(e)))
return GetInvalid(V121);
if (pkm.AbilityNumber == 4)
return GetInvalid(V122);
return GetValid(V123);
}
if (ball == 0x19) // Dream Ball
{
if (pkm.AbilityNumber == 4 && Legal.Ban_DreamHidden.Contains(pkm.Species))
return GetInvalid(V122);
if (EvolutionChain.GetLineage(pkm).Any(e => Legal.Inherit_Dream.Contains(e)))
return GetValid(V123);
return GetInvalid(V121);
}
if (0x0D <= ball && ball <= 0x0F) // Dusk Heal Quick
{
if (!Legal.Ban_Gen4Ball_6.Contains(pkm.Species))
return GetValid(V123);
return GetInvalid(V121);
}
if (0x02 <= ball && ball <= 0x0C) // Don't worry, Ball # 0x05 was already checked.
{
if (Legal.Ban_Gen3Ball.Contains(pkm.Species))
return GetInvalid(V121);
if (pkm.AbilityNumber == 4 && Legal.Ban_Gen3BallHidden.Contains(pkm.SpecForm))
return GetInvalid(V122);
return GetValid(V123);
}
if (pkm.Species > 650 && pkm.Species != 700) // Sylveon
{
if (Legal.GetWildBalls(pkm).Contains(pkm.Ball))
return GetValid(V123);
return GetInvalid(V121);
}
return NONE;
}
private CheckResult VerifyBallEggGen7(LegalityAnalysis data)
{
var pkm = data.pkm;
if (722 <= pkm.Species && pkm.Species <= 730) // G7 Starters
return VerifyBallEquals(data, 4);
int ball = pkm.Ball;
var Lineage = EvolutionChain.GetLineage(pkm).ToArray();
if (ball == 0x05) // Safari Ball
{
if (!Lineage.Any(e => Legal.Inherit_Safari.Contains(e) || Legal.Inherit_SafariMale.Contains(e)))
return GetInvalid(V121);
if (pkm.AbilityNumber == 4 && Lineage.Any(e => Legal.Ban_SafariBallHidden_7.Contains(e)))
return GetInvalid(V122);
return GetValid(V123);
}
if (0x10 < ball && ball < 0x18) // Apricorn Ball
{
if (!Lineage.Any(e => Legal.Inherit_Apricorn7.Contains(e)))
return GetInvalid(V121);
if (pkm.AbilityNumber == 4 && Legal.Ban_NoHidden7Apricorn.Contains(Lineage.Last() | pkm.AltForm << 11)) // lineage is 3->2->origin
return GetInvalid(V122);
return GetValid(V123);
}
if (ball == 0x18) // Sport Ball
{
if (!Lineage.Any(e => Legal.Inherit_Sport.Contains(e)))
return GetInvalid(V121);
if (pkm.AbilityNumber == 4 && (Lineage.Contains(313) || Lineage.Contains(314))) // Volbeat/Illumise
return GetInvalid(V122);
return GetValid(V123);
}
if (ball == 0x19) // Dream Ball
{
if (Lineage.Any(e => Legal.Inherit_Dream.Contains(e) || Legal.Inherit_DreamMale.Contains(e)))
return GetValid(V123);
return GetInvalid(V121);
}
if (0x0D <= ball && ball <= 0x0F) // Dusk Heal Quick
{
if (!Legal.Ban_Gen4Ball_7.Contains(pkm.Species))
return GetValid(V123);
return GetInvalid(V121);
}
if (0x02 <= ball && ball <= 0x0C) // Don't worry, Ball # 0x05 was already checked.
{
if (!Legal.Ban_Gen3Ball_7.Contains(pkm.Species))
return GetValid(V123);
return GetInvalid(V121);
}
if (ball == 26)
{
if (Lineage[0] == 669 && pkm.AltForm == 3 && pkm.AbilityNumber == 4)
return GetInvalid(V122); // Can't obtain Flabébé-Blue with Hidden Ability in wild
if ((pkm.Species > 731 && pkm.Species <= 785) || Lineage.Any(e => Legal.PastGenAlolanNatives.Contains(e) && !Legal.PastGenAlolanNativesUncapturable.Contains(e)))
return GetValid(V123);
if (Lineage.Any(e => Legal.PastGenAlolanScans.Contains(e)))
return GetValid(V123);
// next statement catches all new alolans
}
if (pkm.Species > 721)
return VerifyBallEquals(data, Legal.GetWildBalls(pkm));
if (ball >= 27)
return GetInvalid(V126);
return NONE;
}
private CheckResult VerifyBallEquals(LegalityAnalysis data, int ball) => GetResult(ball == data.pkm.Ball);
private CheckResult VerifyBallEquals(LegalityAnalysis data, ICollection<int> balls) => GetResult(balls.Contains(data.pkm.Ball));
private CheckResult GetResult(bool valid)
{
return valid ? GetValid(V119) : GetInvalid(V118);
}
}
}
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