Show lock capsule slot in mystery gift editor

Closes #3487

editor getting hacky, but it works

PKHeX.Core/MysteryGifts/PCD.cs

@@ -57,6 +57,8 @@ namespace PKHeX.Core
         public override bool IsPokémon { get => Gift.IsPokémon; set => Gift.IsPokémon = value; }
         public override bool IsItem { get => Gift.IsItem; set => Gift.IsItem = value; }
         public override int ItemID { get => Gift.ItemID; set => Gift.ItemID = value; }
+        public bool IsLockCapsule => IsItem && ItemID == 533; // 0x215
+        public bool CanConvertToPGT => !IsLockCapsule;
 
         public override int CardID
         {

PKHeX.Core/Saves/SAV4.cs

@@ -393,11 +393,14 @@ namespace PKHeX.Core
         {
             get
             {
-                DataMysteryGift[] cards = new DataMysteryGift[8 + 3];
+                int pcd = this is SAV4HGSS ? 4 : 3;
+                DataMysteryGift[] cards = new DataMysteryGift[8 + pcd];
                 for (int i = 0; i < 8; i++) // 8 PGT
                     cards[i] = new PGT(General.Slice(WondercardData + (i * PGT.Size), PGT.Size));
                 for (int i = 8; i < 11; i++) // 3 PCD
                     cards[i] = new PCD(General.Slice(WondercardData + (8 * PGT.Size) + ((i-8) * PCD.Size), PCD.Size));
+                if (this is SAV4HGSS hgss)
+                    cards[^1] = hgss.LockCapsuleSlot;
                 return cards;
             }
             set
@@ -416,6 +419,8 @@ namespace PKHeX.Core
                     if (value[i] is PCD)
                         SetData(General, value[i].Data, WondercardData + (8 *PGT.Size) + ((i - 8)*PCD.Size));
                 }
+                if (this is SAV4HGSS hgss && value.Length >= 11 && value[^1] is PCD capsule)
+                    hgss.LockCapsuleSlot = capsule;
             }
         }
 

PKHeX.Core/Saves/SAV4HGSS.cs

@@ -58,6 +58,14 @@ namespace PKHeX.Core
             Box = 0;
         }
 
+        private Span<byte> LockCapsuleSpan => General.AsSpan(0xB064, PCD.Size);
+
+        public PCD LockCapsuleSlot
+        {
+            get => new(LockCapsuleSpan.ToArray());
+            set => value.Data.CopyTo(LockCapsuleSpan);
+        }
+
         #region Storage
         // box{pk4[30}[18]
         // u32 currentBox

PKHeX.WinForms/Subforms/Save Editors/SAV_Wondercard.cs

@@ -192,10 +192,12 @@ namespace PKHeX.WinForms
             int lastUnfilled = GetLastUnfilledByType(gift, mga);
             if (lastUnfilled > -1 && lastUnfilled < index)
                 index = lastUnfilled;
+            if (gift is PCD { IsLockCapsule: true })
+                index = 11;
 
             var gifts = mga.Gifts;
             var other = gifts[index];
-            if (gift is PCD pcd && other is PGT)
+            if (gift is PCD { CanConvertToPGT: true } pcd && other is PGT)
             {
                 gift = pcd.Gift;
             }
@@ -204,6 +206,11 @@ namespace PKHeX.WinForms
                 WinFormsUtil.Alert(MsgMysteryGiftSlotFail, $"{gift.Type} != {other.Type}");
                 return;
             }
+            else if (gift is PCD { IsLockCapsule: true } != (index == 11))
+            {
+                WinFormsUtil.Alert(MsgMysteryGiftSlotFail, $"{GameInfo.Strings.Item[533]} slot not valid.");
+                return;
+            }
             gifts[index] = (DataMysteryGift)gift.Clone();
             SetBackground(index, Drawing.PokeSprite.Properties.Resources.slotSet);
             SetGiftBoxes();
@@ -454,6 +461,8 @@ namespace PKHeX.WinForms
             int lastUnfilled = GetLastUnfilledByType(mg, mga);
             if (lastUnfilled > -1 && lastUnfilled < index && mga.Gifts[lastUnfilled].Type == mga.Gifts[index].Type)
                 index = lastUnfilled;
+            if (mg is PCD { IsLockCapsule: true })
+                index = 11;
 
             if (wc_slot == -1) // dropped
             {
@@ -470,20 +479,21 @@ namespace PKHeX.WinForms
                 if (gift == null)
                 { WinFormsUtil.Alert(MsgFileUnsupported, first); return; }
 
-                if (gift is PCD pcd && mga.Gifts[index] is PGT)
+                ref var dest = ref mga.Gifts[index];
+                if (gift is PCD { CanConvertToPGT: true } pcd && dest is PGT)
                 {
                     gift = pcd.Gift;
                 }
-                else if (gift.Type != mga.Gifts[index].Type)
+                else if (gift.Type != dest.Type)
                 {
-                    WinFormsUtil.Alert(MsgMysteryGiftSlotFail, $"{gift.Type} != {mga.Gifts[index].Type}");
+                    WinFormsUtil.Alert(MsgMysteryGiftSlotFail, $"{gift.Type} != {dest.Type}");
                     return;
                 }
                 SetBackground(index, Drawing.PokeSprite.Properties.Resources.slotSet);
-                mga.Gifts[index] = (DataMysteryGift)gift.Clone();
+                dest = (DataMysteryGift)gift.Clone();
 
-                SetCardID(mga.Gifts[index].CardID);
+                SetCardID(dest.CardID);
-                ViewGiftData(mga.Gifts[index]);
+                ViewGiftData(dest);
             }
             else // Swap Data
             {
@@ -504,7 +514,7 @@ namespace PKHeX.WinForms
             // Double check compatibility of slots
             if (s1.Type != s2.Type)
             {
-                if (s2 is PCD && s1 is PGT)
+                if (s2 is PCD { CanConvertToPGT: true } && s1 is PGT)
                 {
                     // Get first empty slot
                     var firstEmpty = Array.FindIndex(gifts, z => z.Empty);
@@ -523,12 +533,17 @@ namespace PKHeX.WinForms
                 return -1;
             }
 
+            if ((s1 is PCD && dest == 11) || (s2 is PCD && src == 11))
+            {
+                WinFormsUtil.Alert(MsgMysteryGiftSlotFail, $"{GameInfo.Strings.Item[533]} swap not valid.");
+                return -1;
+            }
+
             // If data is present in both slots, just swap.
-            if (!gifts[dest].Empty)
+            if (!s1.Empty)
             {
                 // Swap
-                gifts[src] = s1;
+                (gifts[src], gifts[dest]) = (s1, s2);
-                gifts[dest] = s2;
                 return dest;
             }
 
@@ -579,7 +594,7 @@ namespace PKHeX.WinForms
             }
             // Row 3
             var f3 = GetFlowLayoutPanel();
-            f3.Margin = new Padding(0, f3.Height, 0, 0);
+            f3.Margin = new Padding(0, 12, 0, 0);
             f3.Controls.Add(GetLabel($"{nameof(PCD)} 1-3"));
             for (int i = 8; i < 11; i++)
             {
@@ -591,6 +606,19 @@ namespace PKHeX.WinForms
             FLP_Gifts.Controls.Add(f1);
             FLP_Gifts.Controls.Add(f2);
             FLP_Gifts.Controls.Add(f3);
+
+            if (mga.Gifts.Length == 12) // lock capsule
+            {
+                // Row 4
+                var f4 = GetFlowLayoutPanel();
+                f4.Controls.Add(GetLabel(GameInfo.Strings.Item[533])); // Lock Capsule
+                {
+                    var p = GetPictureBox(spriter.Width, spriter.Height);
+                    f4.Controls.Add(p);
+                    pb.Add(p);
+                }
+                FLP_Gifts.Controls.Add(f4);
+            }
             return pb;
         }
 
@@ -623,7 +651,7 @@ namespace PKHeX.WinForms
 
         private static FlowLayoutPanel GetFlowLayoutPanel() => new()
         {
-            Width = 480,
+            Width = 490,
             Height = 60,
             Padding = new Padding(0),
             Margin = new Padding(0),
@@ -631,7 +659,7 @@ namespace PKHeX.WinForms
 
         private static Label GetLabel(string text) => new()
         {
-            Size = new Size(40, 60),
+            Size = new Size(50, 60),
             AutoSize = false,
             TextAlign = ContentAlignment.MiddleRight,
             Text = text,