PR: Type-check all arguments of player_manager.AddValidModel
Delete SCRIPTNAME and SCRIPTPATH setting code
* This is apparently a left over from when SCRIPTNAME and SCRIPTPATH globals existed for the currently executed script.
Resolve default cubamap refcounting with recent changes
Minor fixes
Fixed normals on ConsoleBox models
StudioMDL: Adjust behavior of no $cdmaterials
* A small fix for internal model paths (modelsrc/ => models/ in generated path)
* Tell the user if $cdmaterials is not provided, and display the generated path
* Made the generated path have consistent slashes
Adjust ConsoleBox05a material to be less reflective