So now the terrain editor is pretty much done. I still want to add layered / blended textures and expose a bit more control over how the texture coordinates are...

In hindsight, I probably should have done last week's refactoring *before* I started work on the terrain editor, but here we are. Fixed bugs upon bugs upon bugs...

Added some stuff: Fixed heightmaps (the images should work with other programs now) Refactored lots of editor modes - no features should have been changed but h...