Current questions and answers regarding the map editor.

The icons from the editor are encrypted in the game's cache files; they are located in Editor/Icons/. The texture format is likely incorrect. Next to each DDS file, there is an XDB file with the same name; open it and check the TextureType. For icons, in 99% of cases, it is TF_8888, and the DDS format is A8R8G8B8.