I had a similar problem and after several hours of trying and google searching I moved the modified (and inherited) topdownengine source file from the assets / topdownengine / … folder to the assets / scripts folder and everything started working.
I had a similar problem and after several hours of trying and google searching I moved the modified (and inherited) topdownengine source file from the assets / topdownengine / … folder to the assets / scripts folder and everything started working.