fix textures UV. drop leftovers. properly map material_lo.

NResUI/Rendering/Viewport/Msh/MshRestPoseBuilder.cs

@@ -88,7 +88,7 @@ public static class MshRestPoseBuilder
     {
         try
         {
-            return Convert.ToInt32(node.ParentIndexOrMinusOne);
+            return Convert.ToInt32(node.ParentIndexOrLink);
         }
         catch
         {

NResUI/Rendering/Viewport/Msh/MshViewportLoader.cs

@@ -134,7 +134,7 @@ public static class MshViewportLoader
             var outIndices = new List<uint>();
             var batchTriangleCount = 0;
 
-            var material = materialLibrary.FindMaterial(batch.MaterialIndex) ?? ViewportMaterial.Untextured;
+            var material = materialLibrary.FindMaterial(batch.MaterialIndexLo) ?? ViewportMaterial.Untextured;
             var vertexColor = material.HasTexture ? Vector3.One : debugColor;
 
             for (var i = 0; i + 2 < batch.IndexCount0x06; i += 3)
@@ -156,7 +156,7 @@ public static class MshViewportLoader
                     normal = Vector3.UnitY;
                 else
                     normal = Vector3.Normalize(normal);
-
+                
                 AddTriangleVertex(p0, vertexColor, normal, GetUv(uvs, vertexIndex0), vertices, outIndices, ref boundsMin, ref boundsMax);
                 AddTriangleVertex(p1, vertexColor, normal, GetUv(uvs, vertexIndex1), vertices, outIndices, ref boundsMin, ref boundsMax);
                 AddTriangleVertex(p2, vertexColor, normal, GetUv(uvs, vertexIndex2), vertices, outIndices, ref boundsMin, ref boundsMax);
@@ -183,7 +183,7 @@ public static class MshViewportLoader
             return Vector2.Zero;
 
         var uv = uvs[vertexIndex];
-        return new Vector2(uv.U / 1024.0f, 1.0f - uv.V / 1024.0f);
+        return new Vector2(uv.U / 1024.0f, uv.V / 1024.0f);
     }
 
     private static Vector3 ToNumericsVector3(Common.Vector3 position)

NResUI/Rendering/Viewport/Msh/WeaMaterialLibrary.cs

@@ -46,9 +46,9 @@ public sealed class WeaMaterialLibrary
 
         foreach (var materialRef in materialRefs)
         {
-            var texture = TryLoadMaterialTexture(gl, materialFs, parseResult.Archive, materialRef.Name);
+            var texture = TryLoadMaterialTexture(gl, materialFs, parseResult.Archive, materialRef.Name, out var texm);
             result[materialRef.Id] = texture != null
-                ? new ViewportMaterial(materialRef.Name, texture.Value)
+                ? new ViewportMaterial(materialRef.Name, texture.Value, texm)
                 : new ViewportMaterial(materialRef.Name);
         }
 
@@ -194,9 +194,10 @@ public sealed class WeaMaterialLibrary
     }
 
     private static uint? TryLoadMaterialTexture(
-        GL gl, FileStream materialFs, NResArchive materialArchive, string materialName
+        GL gl, FileStream materialFs, NResArchive materialArchive, string materialName, out TexmFile? texm
     )
     {
+        texm = null;
         var entry = FindMaterialEntry(materialArchive, materialName);
         if (entry == null)
             return null;
@@ -235,6 +236,7 @@ public sealed class WeaMaterialLibrary
         if (texmResult.TexmFile == null)
             return null;
 
+        texm = texmResult.TexmFile;
         var rgba = texmResult.TexmFile.GetRgba32BytesFromMipmap(0, out var width, out var height);
         return ViewportTextureLoader.CreateRgbaTexture(gl, rgba, width, height);
     }

NResUI/Rendering/Viewport/ViewportMaterial.cs

@@ -1,3 +1,5 @@
+using TexmLib;
+
 namespace NResUI.Rendering.Viewport;
 
 public sealed class ViewportMaterial
@@ -6,10 +8,13 @@ public sealed class ViewportMaterial
     public uint TextureHandle { get; }
     public bool HasTexture => TextureHandle != 0;
 
-    public ViewportMaterial(string name, uint textureHandle = 0)
+    public TexmFile? Texm { get; }
+
+    public ViewportMaterial(string name, uint textureHandle = 0, TexmFile? texm = null)
     {
         Name = name;
         TextureHandle = textureHandle;
+        Texm = texm;
     }
 
     public static ViewportMaterial Untextured { get; } = new("Untextured");