Add fill flood to paint entire map in one click

[blueapples]

Allow filling entire map with the selected vegetation layer in one button click.

[Crazycarpet]

Just make the outer bound huge and paint it all in a matter of seconds.

[blueapples]

Maximum outer radius for the paint tool is 256 while the maximum terrain is 2048. Even at a 1024x1024 grid, it is very time consuming to cover the entire terrain with 10+ vegetation layers.

[gamecreator]

Never mind

[blueapples]