Okay. So I tried it again and it worked.
I now have a map with this super fast terrain editing mode.
If anyone wants to test it or use it for other purposes, go ahead !
Download it and use it for massive mountains and such.
You know you watched too many of Lee's Live Brodcasts when you're at work and have an earwig from his twitch intro music....
By the way, I am a Modder, Soundtrack Composer and now Game Developer. Well, sort of.
Windows 10 64bit - Intel Core i7-2600 CPU @ 3.40GHz, 8,0 GB Ram, Geforce GTX 1050ti
Find some my work onYoutube:
(Music Channel) The German Music Dude: https://www.youtube.com/user/DeutscherVolker
(Games and Mods Channel ) DK Productions: https://www.youtube.com/channel/UCIqwvScXnJL_zNYqSsfTCqA