Merge branch 'refs/heads/Exter-N/stockings-skin-slot'

Penumbra/DebugConfiguration.cs

@@ -2,5 +2,6 @@ namespace Penumbra;
 
 public class DebugConfiguration
 {
-    public static bool WriteImcBytesToLog = false;
+    public static bool WriteImcBytesToLog        = false;
+    public static bool UseSkinMaterialProcessing = true;
 }

Penumbra/Interop/Hooks/Resources/ResolvePathHooksBase.cs

@@ -6,6 +6,7 @@ using Penumbra.Collections;
 using Penumbra.GameData.Enums;
 using Penumbra.GameData.Structs;
 using Penumbra.Interop.PathResolving;
+using Penumbra.Interop.Processing;
 using static FFXIVClientStructs.FFXIV.Client.Game.Character.ActionEffectHandler;
 
 namespace Penumbra.Interop.Hooks.Resources;
@@ -159,7 +160,13 @@ public sealed unsafe class ResolvePathHooksBase : IDisposable
         => 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));
+    {
+        var finalPathBuffer = _resolveSkinMtrlPathHook.Original(drawObject, pathBuffer, pathBufferSize, slotIndex);
+        if (DebugConfiguration.UseSkinMaterialProcessing && finalPathBuffer != nint.Zero && finalPathBuffer == pathBuffer)
+            SkinMtrlPathEarlyProcessing.Process(new Span<byte>((void*)pathBuffer, (int)pathBufferSize), (CharacterBase*)drawObject, slotIndex);
+
+        return ResolvePath(drawObject, finalPathBuffer);
+    }
 
     private nint ResolvePap(nint drawObject, nint pathBuffer, nint pathBufferSize, uint unkAnimationIndex, nint animationName)
         => ResolvePath(drawObject, _resolvePapPathHook.Original(drawObject, pathBuffer, pathBufferSize, unkAnimationIndex, animationName));

Penumbra/Interop/Processing/SkinMtrlPathEarlyProcessing.cs

@@ -0,0 +1,64 @@
+using FFXIVClientStructs.FFXIV.Client.Graphics.Scene;
+using FFXIVClientStructs.FFXIV.Client.System.Resource.Handle;
+
+namespace Penumbra.Interop.Processing;
+
+public static unsafe class SkinMtrlPathEarlyProcessing
+{
+    public static void Process(Span<byte> path, CharacterBase* character, uint slotIndex)
+    {
+        var end = path.IndexOf(MaterialExtension());
+        if (end < 0)
+            return;
+
+        var suffixPos = path[..end].LastIndexOf((byte)'_');
+        if (suffixPos < 0)
+            return;
+
+        var handle = GetModelResourceHandle(character, slotIndex);
+        if (handle == null)
+            return;
+
+        var skinSuffix = GetSkinSuffix(handle);
+        if (skinSuffix.IsEmpty || skinSuffix.Length > path.Length - suffixPos - 7)
+            return;
+
+        ++suffixPos;
+        skinSuffix.CopyTo(path[suffixPos..]);
+        suffixPos += skinSuffix.Length;
+        MaterialExtension().CopyTo(path[suffixPos..]);
+        return;
+
+        static ReadOnlySpan<byte> MaterialExtension()
+            => ".mtrl\0"u8;
+    }
+
+    private static ModelResourceHandle* GetModelResourceHandle(CharacterBase* character, uint slotIndex)
+    {
+        if (character is null)
+            return null;
+
+        if (character->TempSlotData is not null)
+        {
+            // TODO ClientStructs-ify
+            var handle = *(ModelResourceHandle**)((nint)character->TempSlotData + 0xE0 * slotIndex + 0x8);
+            if (handle != null)
+                return handle;
+        }
+
+        var model = character->Models[slotIndex];
+        return model is null ? null : model->ModelResourceHandle;
+    }
+
+    private static ReadOnlySpan<byte> GetSkinSuffix(ModelResourceHandle* handle)
+    {
+        foreach (var (attribute, _) in handle->Attributes)
+        {
+            var attributeSpan = attribute.AsSpan();
+            if (attributeSpan.Length > 12 && attributeSpan[..11].SequenceEqual("skin_suffix"u8) && attributeSpan[11] is (byte)'=' or (byte)'_')
+                return attributeSpan[12..];
+        }
+
+        return [];
+    }
+}

Penumbra/UI/AdvancedWindow/Materials/MaterialTemplatePickers.cs

@@ -131,7 +131,7 @@ public sealed unsafe class MaterialTemplatePickers : IUiService
             if (texture == null)
                 continue;
             var handle = _textureArraySlicer.GetImGuiHandle(texture, sliceIndex);
-            if (handle == 0)
+            if (handle.IsNull)
                 continue;
 
             var position =  regionStart with { X = regionStart.X + (itemSize.X + itemSpacing) * j };

Penumbra/UI/Tabs/Debug/DebugConfigurationDrawer.cs

@@ -6,10 +6,11 @@ public static class DebugConfigurationDrawer
 {
     public static void Draw()
     {
-        using var id = ImUtf8.CollapsingHeaderId("Debug Logging Options"u8);
+        using var id = ImUtf8.CollapsingHeaderId("Debugging Options"u8);
         if (!id)
             return;
 
-        ImUtf8.Checkbox("Log IMC File Replacements"u8, ref DebugConfiguration.WriteImcBytesToLog);
+        ImUtf8.Checkbox("Log IMC File Replacements"u8,         ref DebugConfiguration.WriteImcBytesToLog);
+        ImUtf8.Checkbox("Scan for Skin Material Attributes"u8, ref DebugConfiguration.UseSkinMaterialProcessing);
     }
 }