Visually Build levels
Up Key OR Mouse Scroll Up - Select Next Tile
Down Key OR Mouse Scroll Down - Select Previous Tile
Left Mouse Click - Place Tile (Hold and Drag to place multiple tiles)
Right Mouse Click - Remove Tile (Hold and Drag to remove multiple)
1 KEY - Select previous cell sheet
2 KEY - Select next cell sheet
Q KEY - Select previous layer
W Key - Select next layer
A Key - Write out level to text file
Layer 1 will be called file0.txt
Layer 2 will be called file1.txt
and so on
Alt Key - Hold down to move the camera, release to stop
H KEY - Turn on/off the HUD
-l - Change number of layers (eg: -l 2)
-t - Change Tile size (eg: 16, 32, 64 -t 64)
-f - Change output filename (eg: -f level)
-xh - Add extra height to map (eg: -xh 10)
-xw - Add extra width to map (eg: -xw 10)