I made a tool that automates copying over the objects in RMJ and Jtool maps into GameMaker after you've finalized the design, which can be a tedious process. This should be useful for importing needle screens into your games. More info is in the readme. I've added GM 8.x and jtool map support since the initial release. I hope people find this tool useful; I put a lot of effort into it! :)
(https://i.imgur.com/GCyRLwe.png)
(https://i.imgur.com/AVP3DXS.png)
(https://i.imgur.com/Hbxopo6.png) Download - 2.2 (https://www.mediafire.com/download/dwvtfk6ff4aug9c/map2gm_v2.2.zip)
--- version 2.2 2/25/2016 ---
Fix crash when checking for new version when offline
--- version 2.1 2/25/2016 ---
Should now work on Windows 8 and 10 (Compiled on Windows 10, previously was on 7)
Check for new version on startup
Fix bug when importing jtool 1.2.0+ maps
Add link to tools website
--- version 2.0 11/29/2015 ---
Add GameMaker 8.x support using Gmksplit
Add jtool map support
For studio projects, output a .room.gmx file instead of modifying the .project.gmx file to import it
Redo instructions and readme files
Fix bug where template room couldn't have objects in it
GUI tweaks
Use pyinstaller to tidy up the tool's folder
Lots of code refactoring and cleanup
New name: map2gm
--- version 1.0 7/7/2015 ---
Initial release!