Fix cubemaps made with bgenv having no mipmaps causing no roughness.

Author: KillzXGaming

Plugins/CafeLibrary/Agl/RenderToTexture/Cubemap/CubemapManager.cs

@@ -103,6 +103,8 @@ public static void GenerateCubemaps(List<GenericRenderer> targetModels, bool isW
 
             //Just generate mips to keep things easier
             texture.Bind();
+            texture.MinFilter = TextureMinFilter.LinearMipmapLinear;
+            texture.UpdateParameters();
             texture.GenerateMipmaps();
             texture.Unbind();