Creating a map editor for RTS. Can I ask the player to use Unity or is that a bad idea?

I'm thinking about creating an RTS map editor available to the public but I would really like to avoid a maximum amount of work and it seems to me that the easiest way would be to ask the player to download unity and work with my scripts and build his map in Unity.

I would hide most of the core logic and only provide the scripts that allow you to make a map. I believe this is possible using DLL's but let me know if that is actually foolproof.

If there is nothing from the...

Creating a map editor for RTS. Can I ask the player to use Unity or is that a bad idea?