Show shiny state of encounter in db

Force shiny state for GO encounters

For encounters, this interface property is mainly just for exposing metadata for sprites.

PKHeX.Core/Legality/Encounters/EncounterMisc/EncounterEgg.cs

@@ -18,6 +18,7 @@ namespace PKHeX.Core
         public readonly int Level;
         public int Generation { get; }
         public GameVersion Version { get; }
+        public bool IsShiny => false;
 
         public EncounterEgg(int species, int form, int level, int gen, GameVersion game)
         {

PKHeX.Core/Legality/Encounters/EncounterMisc/EncounterInvalid.cs

@@ -16,6 +16,7 @@ namespace PKHeX.Core
         public bool EggEncounter { get; }
         public int Generation { get; }
         public GameVersion Version { get; }
+        public bool IsShiny => false;
 
         public string Name => "Invalid";
         public string LongName => "Invalid";

PKHeX.Core/Legality/Encounters/EncounterSlot/EncounterSlot.cs

@@ -15,6 +15,7 @@ namespace PKHeX.Core
         public int LevelMax { get; }
         public abstract int Generation { get; }
         public bool EggEncounter => false;
+        public virtual bool IsShiny => false;
 
         protected EncounterSlot(EncounterArea area, int species, int form, int min, int max)
         {

PKHeX.Core/Legality/Encounters/EncounterSlot/GO/EncounterSlotGO.cs

@@ -22,6 +22,8 @@ namespace PKHeX.Core
         /// <inheritdoc/>
         public Gender Gender { get; }
 
+        public override bool IsShiny => Shiny.IsShiny();
+
         protected EncounterSlotGO(EncounterArea area, int species, int form, int start, int end, Shiny shiny, Gender gender, PogoType type) : base(area, species, form, type.GetMinLevel(), EncountersGO.MAX_LEVEL)
         {
             Start = start;
@@ -126,5 +128,22 @@ namespace PKHeX.Core
                 return false;
             return (pkm.GetIV(0) & 1) == 1; // HP
         }
+
+        protected override void SetPINGA(PKM pk, EncounterCriteria criteria)
+        {
+            base.SetPINGA(pk, criteria);
+            switch (Shiny)
+            {
+                case Shiny.Random when !pk.IsShiny && criteria.Shiny.IsShiny():
+                case Shiny.Always when !pk.IsShiny: // Force Square
+                    pk.PID = (uint)(((pk.TID ^ 0 ^ (pk.PID & 0xFFFF) ^ 0) << 16) | (pk.PID & 0xFFFF));
+                    break;
+
+                case Shiny.Random when pk.IsShiny && !criteria.Shiny.IsShiny():
+                case Shiny.Never when pk.IsShiny: // Force Not Shiny
+                    pk.PID ^= 0x1000_0000;
+                    break;
+            }
+        }
     }
 }

PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic.cs

@@ -42,6 +42,7 @@ namespace PKHeX.Core
         private const string _name = "Static Encounter";
         public string Name => _name;
         public string LongName => Version == GameVersion.Any ? _name : $"{_name} ({Version})";
+        public bool IsShiny => Shiny.IsShiny();
 
         protected EncounterStatic(GameVersion game) => Version = game;
 

PKHeX.Core/Legality/Encounters/EncounterTrade/EncounterTrade.cs

@@ -52,6 +52,7 @@ namespace PKHeX.Core
         public string Name => _name;
         public string LongName => _name;
         public bool IsNicknamed { get; init; } = true;
+        public bool IsShiny => Shiny.IsShiny();
 
         public IReadOnlyList<string> Nicknames { get; internal set; } = Array.Empty<string>();
         public IReadOnlyList<string> TrainerNames { get; internal set; } = Array.Empty<string>();

PKHeX.Core/Legality/Encounters/IEncounterTemplate.cs

@@ -1,6 +1,6 @@
 namespace PKHeX.Core
 {
-    public interface IEncounterTemplate : ISpeciesForm, IVersion, IGeneration
+    public interface IEncounterTemplate : ISpeciesForm, IVersion, IGeneration, IShiny
     {
         /// <summary>
         /// Indicates if the encounter originated as an egg.

PKHeX.Core/Legality/Structures/Shiny.cs

@@ -46,5 +46,13 @@
             Shiny.AlwaysStar => pkm.ShinyXor == 1,
             _ => true
         };
+
+        public static bool IsShiny(this Shiny s) => s switch
+        {
+            Shiny.Always => true,
+            Shiny.AlwaysSquare => true,
+            Shiny.AlwaysStar => true,
+            _ => false
+        };
     }
 }

PKHeX.Core/PKM/PKM.cs

@@ -8,7 +8,7 @@ namespace PKHeX.Core
     /// <summary>
     /// Object representing a <see cref="PKM"/>'s data and derived properties.
     /// </summary>
-    public abstract class PKM : ISpeciesForm, ITrainerID, IGeneration, ILangNick, IGameValueLimit, INature
+    public abstract class PKM : ISpeciesForm, ITrainerID, IGeneration, IShiny, ILangNick, IGameValueLimit, INature
     {
         public static readonly string[] Extensions = PKX.GetPKMExtensions();
         public abstract int SIZE_PARTY { get; }

PKHeX.Core/PKM/Shared/IShiny.cs

@@ -0,0 +1,13 @@
+namespace PKHeX.Core
+{
+    /// <summary>
+    /// Interface that exposes a boolean indicating if the object is a shiny.
+    /// </summary>
+    public interface IShiny
+    {
+        /// <summary>
+        /// Is definitively a shiny.
+        /// </summary>
+        bool IsShiny { get; }
+    }
+}

PKHeX.Core/PKM/Shared/QRPK7.cs

@@ -9,6 +9,7 @@ namespace PKHeX.Core
         public int LevelMin => Level;
         public int LevelMax => Level;
         public int Generation => Version.GetGeneration();
+        public bool IsShiny => false;
 
         private readonly byte[] Data;
         public const int SIZE = 0x30;

PKHeX.WinForms/Subforms/SAV_Encounters.cs

@@ -314,7 +314,7 @@ namespace PKHeX.WinForms
             for (int i = 0; i < end; i++)
             {
                 var enc = Results[i + begin];
-                PKXBOXES[i].Image = SpriteUtil.GetSprite(enc.Species, enc.Form, 0, 0, 0, enc.EggEncounter, false, enc.Generation);
+                PKXBOXES[i].Image = SpriteUtil.GetSprite(enc.Species, enc.Form, 0, 0, 0, enc.EggEncounter, enc.IsShiny, enc.Generation);
             }
             for (int i = end; i < RES_MAX; i++)
                 PKXBOXES[i].Image = null;