Add Human skin material handling

Penumbra/Interop/Hooks/Resources/ResolvePathHooksBase.cs

@@ -35,6 +35,7 @@ public sealed unsafe class ResolvePathHooksBase : IDisposable
     private readonly Hook<MPapResolveDelegate>    _resolveMPapPathHook;
     private readonly Hook<PerSlotResolveDelegate> _resolveMdlPathHook;
     private readonly Hook<NamedResolveDelegate>   _resolveMtrlPathHook;
+    private readonly Hook<PerSlotResolveDelegate> _resolveSkinMtrlPathHook;
     private readonly Hook<NamedResolveDelegate>   _resolvePapPathHook;
     private readonly Hook<PerSlotResolveDelegate> _resolveKdbPathHook;
     private readonly Hook<PerSlotResolveDelegate> _resolvePhybPathHook;
@@ -65,6 +66,7 @@ public sealed unsafe class ResolvePathHooksBase : IDisposable
         _resolveMPapPathHook     = Create<MPapResolveDelegate>(   $"{name}.{nameof(ResolveMPap)}",     hooks, vTable[87], ResolveMPap);
         _resolveImcPathHook      = Create<PerSlotResolveDelegate>($"{name}.{nameof(ResolveImc)}",      hooks, vTable[89], ResolveImc);
         _resolveMtrlPathHook     = Create<NamedResolveDelegate>(  $"{name}.{nameof(ResolveMtrl)}",     hooks, vTable[90], ResolveMtrl);
+        _resolveSkinMtrlPathHook = Create<PerSlotResolveDelegate>($"{name}.{nameof(ResolveSkinMtrl)}", hooks, vTable[91], ResolveSkinMtrl);
         _resolveDecalPathHook    = Create<PerSlotResolveDelegate>($"{name}.{nameof(ResolveDecal)}",    hooks, vTable[92], ResolveDecal);
         _resolveVfxPathHook      = Create<VfxResolveDelegate>(    $"{name}.{nameof(ResolveVfx)}",      hooks, vTable[93], type, ResolveVfx, ResolveVfxHuman);
         _resolveEidPathHook      = Create<SingleResolveDelegate>( $"{name}.{nameof(ResolveEid)}",      hooks, vTable[94], ResolveEid);
@@ -83,6 +85,7 @@ public sealed unsafe class ResolvePathHooksBase : IDisposable
         _resolveMPapPathHook.Enable();
         _resolveMdlPathHook.Enable();
         _resolveMtrlPathHook.Enable();
+        _resolveSkinMtrlPathHook.Enable();
         _resolvePapPathHook.Enable();
         _resolveKdbPathHook.Enable();
         _resolvePhybPathHook.Enable();
@@ -103,6 +106,7 @@ public sealed unsafe class ResolvePathHooksBase : IDisposable
         _resolveMPapPathHook.Disable();
         _resolveMdlPathHook.Disable();
         _resolveMtrlPathHook.Disable();
+        _resolveSkinMtrlPathHook.Disable();
         _resolvePapPathHook.Disable();
         _resolveKdbPathHook.Disable();
         _resolvePhybPathHook.Disable();
@@ -123,6 +127,7 @@ public sealed unsafe class ResolvePathHooksBase : IDisposable
         _resolveMPapPathHook.Dispose();
         _resolveMdlPathHook.Dispose();
         _resolveMtrlPathHook.Dispose();
+        _resolveSkinMtrlPathHook.Dispose();
         _resolvePapPathHook.Dispose();
         _resolveKdbPathHook.Dispose();
         _resolvePhybPathHook.Dispose();
@@ -153,6 +158,9 @@ public sealed unsafe class ResolvePathHooksBase : IDisposable
     private nint ResolveMtrl(nint drawObject, nint pathBuffer, nint pathBufferSize, uint slotIndex, nint mtrlFileName)
         => ResolvePath(drawObject, _resolveMtrlPathHook.Original(drawObject, pathBuffer, pathBufferSize, slotIndex, mtrlFileName));
 
+    private nint ResolveSkinMtrl(nint drawObject, nint pathBuffer, nint pathBufferSize, uint slotIndex)
+        => ResolvePath(drawObject, _resolveSkinMtrlPathHook.Original(drawObject, pathBuffer, pathBufferSize, slotIndex));
+
     private nint ResolvePap(nint drawObject, nint pathBuffer, nint pathBufferSize, uint unkAnimationIndex, nint animationName)
         => ResolvePath(drawObject, _resolvePapPathHook.Original(drawObject, pathBuffer, pathBufferSize, unkAnimationIndex, animationName));
 

Penumbra/Interop/ResourceTree/ResolveContext.cs

@@ -188,7 +188,8 @@ internal unsafe partial record ResolveContext(
         return GetOrCreateNode(ResourceType.Tex, (nint)tex->Texture, &tex->ResourceHandle, gamePath);
     }
 
-    public ResourceNode? CreateNodeFromModel(Model* mdl, ResourceHandle* imc, TextureResourceHandle* decalHandle, ResourceHandle* mpapHandle)
+    public ResourceNode? CreateNodeFromModel(Model* mdl, ResourceHandle* imc, TextureResourceHandle* decalHandle,
+        MaterialResourceHandle* skinMtrlHandle, ResourceHandle* mpapHandle)
     {
         if (mdl is null || mdl->ModelResourceHandle is null)
             return null;
@@ -218,6 +219,12 @@ internal unsafe partial record ResolveContext(
             }
         }
 
+        if (skinMtrlHandle is not null
+         && Utf8GamePath.FromByteString(CharacterBase->ResolveSkinMtrlPathAsByteString(SlotIndex), out var skinMtrlPath)
+         && CreateNodeFromMaterial(skinMtrlHandle->Material, skinMtrlPath) is
+                { } skinMaaterialNode)
+            node.Children.Add(skinMaaterialNode);
+
         if (CreateNodeFromDecal(decalHandle, imc) is { } decalNode)
             node.Children.Add(decalNode);
 

Penumbra/Interop/ResourceTree/ResourceTree.cs

@@ -73,6 +73,12 @@ public class ResourceTree(
         // TODO ClientStructs-ify (aers/FFXIVClientStructs#1312)
         var mpapArrayPtr = *(ResourceHandle***)((nint)model + 0x948);
         var mpapArray    = mpapArrayPtr is not null ? new ReadOnlySpan<Pointer<ResourceHandle>>(mpapArrayPtr, model->SlotCount) : [];
+        // TODO ClientStructs-ify (aers/FFXIVClientStructs#1474)
+        var skinMtrlArray = modelType switch
+        {
+            ModelType.Human => new ReadOnlySpan<Pointer<MaterialResourceHandle>>((MaterialResourceHandle**)((nint)model + 0xB48), 5),
+            _               => [],
+        };
         var decalArray = modelType switch
         {
             ModelType.Human     => human->SlotDecalsSpan,
@@ -108,7 +114,8 @@ public class ResourceTree(
 
             var mdl = model->Models[i];
             if (slotContext.CreateNodeFromModel(mdl, imc, i < decalArray.Length ? decalArray[(int)i].Value : null,
-                    i < mpapArray.Length ? mpapArray[(int)i].Value : null) is { } mdlNode)
+                    i < skinMtrlArray.Length ? skinMtrlArray[(int)i].Value : null, i < mpapArray.Length ? mpapArray[(int)i].Value : null) is
+                { } mdlNode)
             {
                 if (globalContext.WithUiData)
                     mdlNode.FallbackName = $"Model #{i}";
@@ -166,7 +173,8 @@ public class ResourceTree(
                 }
 
                 var mdl = subObject->Models[i];
-                if (slotContext.CreateNodeFromModel(mdl, imc, weapon->Decal, i < mpapArray.Length ? mpapArray[i].Value : null) is { } mdlNode)
+                if (slotContext.CreateNodeFromModel(mdl, imc, weapon->Decal, null, i < mpapArray.Length ? mpapArray[i].Value : null) is
+                    { } mdlNode)
                 {
                     if (globalContext.WithUiData)
                         mdlNode.FallbackName = $"Weapon #{weaponIndex}, Model #{i}";

Penumbra/Interop/Structs/StructExtensions.cs

@@ -34,6 +34,14 @@ internal static class StructExtensions
         return ToOwnedByteString(character.ResolveMtrlPath(pathBuffer, CharacterBase.PathBufferSize, slotIndex, mtrlFileName));
     }
 
+    public static unsafe CiByteString ResolveSkinMtrlPathAsByteString(ref this CharacterBase character, uint slotIndex)
+    {
+        // TODO ClientStructs-ify (aers/FFXIVClientStructs#1474)
+        var vf91       = (delegate* unmanaged<CharacterBase*, byte*, nuint, uint, byte*>)((nint*)character.VirtualTable)[91];
+        var pathBuffer = stackalloc byte[CharacterBase.PathBufferSize];
+        return ToOwnedByteString(vf91((CharacterBase*)Unsafe.AsPointer(ref character), pathBuffer, CharacterBase.PathBufferSize, slotIndex));
+    }
+
     public static CiByteString ResolveMaterialPapPathAsByteString(ref this CharacterBase character, uint slotIndex, uint unkSId)
     {
         Span<byte> pathBuffer = stackalloc byte[CharacterBase.PathBufferSize];