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GlamourerOld/Interop/UpdateSlotService.cs

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+using System;
+using System.Linq;
+using Dalamud.Hooking;
+using Dalamud.Utility.Signatures;
+using Penumbra.GameData.Enums;
+using Penumbra.GameData.Structs;
+
+namespace Glamourer.Interop;
+
+public unsafe class UpdateSlotService : IDisposable
+{
+    public UpdateSlotService()
+    {
+        SignatureHelper.Initialise(this);
+        _flagSlotForUpdateHook.Enable();
+    }
+
+    public void Dispose()
+        => _flagSlotForUpdateHook.Dispose();
+
+    private delegate ulong FlagSlotForUpdateDelegateIntern(nint drawObject, uint slot, CharacterArmor* data);
+    public delegate  void  FlagSlotForUpdateDelegate(DrawObject drawObject, EquipSlot slot, ref CharacterArmor item);
+
+    // This gets called when one of the ten equip items of an existing draw object gets changed.
+    [Signature(Sigs.FlagSlotForUpdate, DetourName = nameof(FlagSlotForUpdateDetour))]
+    private readonly Hook<FlagSlotForUpdateDelegateIntern> _flagSlotForUpdateHook = null!;
+
+    public event FlagSlotForUpdateDelegate? EquipUpdate;
+
+    public ulong FlagSlotForUpdateInterop(DrawObject drawObject, EquipSlot slot, CharacterArmor armor)
+        => _flagSlotForUpdateHook.Original(drawObject.Address, slot.ToIndex(), &armor);
+
+    public void UpdateSlot(DrawObject drawObject, EquipSlot slot, CharacterArmor data)
+    {
+        InvokeFlagSlotEvent(drawObject, slot, ref data);
+        FlagSlotForUpdateInterop(drawObject, slot, data);
+    }
+
+    public void UpdateStain(DrawObject drawObject, EquipSlot slot, StainId stain)
+    {
+        var armor = drawObject.Equip[slot] with { Stain = stain };
+        UpdateSlot(drawObject, slot, armor);
+    }
+
+    private ulong FlagSlotForUpdateDetour(nint drawObject, uint slotIdx, CharacterArmor* data)
+    {
+        var slot = slotIdx.ToEquipSlot();
+        InvokeFlagSlotEvent(drawObject, slot, ref *data);
+        return _flagSlotForUpdateHook.Original(drawObject, slotIdx, data);
+    }
+
+    private void InvokeFlagSlotEvent(DrawObject drawObject, EquipSlot slot, ref CharacterArmor armor)
+    {
+        if (EquipUpdate == null)
+        {
+            Glamourer.Log.Excessive(
+                $"{slot} updated on 0x{drawObject.Address:X} to {armor.Set.Value}-{armor.Variant} with stain {armor.Stain.Value}.");
+            return;
+        }
+
+        var iv = armor;
+        foreach (var del in EquipUpdate.GetInvocationList().OfType<FlagSlotForUpdateDelegate>())
+        {
+            try
+            {
+                del(drawObject, slot, ref armor);
+            }
+            catch (Exception ex)
+            {
+                Glamourer.Log.Error($"Could not invoke {nameof(EquipUpdate)} Subscriber:\n{ex}");
+            }
+        }
+
+        Glamourer.Log.Excessive(
+            $"{slot} updated on 0x{drawObject.Address:X} to {armor.Set.Value}-{armor.Variant} with stain {armor.Stain.Value}, initial armor was {iv.Set.Value}-{iv.Variant} with stain {iv.Stain.Value}.");
+    }
+}