May need the following if it does not build:

Requires the JavaFX SDK to run https://openjfx.io/

Requires LWJGL to run https://www.lwjgl.org/download

W,A,S,D to move camera.

Q,E to zoom in and out.

Right click to rotate.

Left click on tile to see information.

Control + left click tile to update the tile.

L + left click to place selected loc.

O + left click to place selected object.

N + left click to place selected npc.

Ctrl + C to copy selected tile.

Ctrl + V to paste copied tile on current selected tile.

Ctrl + Z to undo

For height values, 0 is perlin noise generated. 1 is floor height.