Fixed a REALLY stupid bug where I had broken vertex exporting if ther…

…e was only 1 color or 1 UV.

FinModelUtility/Fin/Fin/src/model/io/exporters/gltf/GltfBuilderUtil.cs

@@ -26,9 +26,19 @@ public static Type GetMaterialType(int colorCount, int uvCount) {
             : typeof(VertexTexture2);
       }
 
-      return colorCount == 1 && uvCount == 1
-          ? typeof(VertexColor1Texture1)
-          : typeof(VertexEmpty);
+      if (colorCount == 1 && uvCount == 1) {
+        return typeof(VertexColor1Texture1);
+      }
+
+      if (colorCount == 1) {
+        return typeof(VertexColor1);
+      }
+
+      if (uvCount == 1) {
+        return typeof(VertexTexture1);
+      }
+
+      return typeof(VertexEmpty);
     }
 
     public static Type GetSkinningType(int weightCount)

FinModelUtility/Fin/Fin/src/model/io/exporters/gltf/GltfVertexBuilder.cs

@@ -134,9 +134,19 @@ private static IVertexMaterial GetVertexMaterial_(
             : new VertexTexture2(uv0, uv1);
       }
 
-      return colorCount == 1 && uvCount == 1
-          ? new VertexColor1Texture1(color0, uv0)
-          : new VertexEmpty();
+      if (colorCount == 1 && uvCount == 1) {
+        return new VertexColor1Texture1(color0, uv0);
+      }
+
+      if (colorCount == 1) {
+        return new VertexColor1(color0);
+      }
+
+      if (uvCount == 1) {
+        return new VertexTexture1(uv0);
+      }
+
+      return new VertexEmpty();
     }
 
     private static Vector4 FinToGltfColor_(IColor? color)