Minecraft plugin for 3D Wave Function Collapse.
Build this plugin and put to bukkit plugins directory. Build fast-wfc-3d-stdio and copy wfc_stdio.exe to "(bukkit directory)/exe/wfc_stdio.exe".
You can set area using stone axe like worldedit's wood axe. Unlike worldedit plugin, area will doesn't contain x, y, z coordinate that you right/left clicked block's coordinate.
Set selected area to input area.
/gen N periodic_input_x periodic_input_y periodic_input_z periodic_output_x periodic_output_y periodic_output_z
Generate blocks to selected area using WFC based on input area. (Selected area will be cleared)
/kgen N periodic_input_x periodic_input_y periodic_input_z periodic_output_x periodic_output_y periodic_output_z
Keep-gen. Generate blocks, but keeping already placed blocks.
Stop generating blocks.
Clear selected area.