How the ground between two cells is built: 0 flat, 1 terraced slope, 2 cliff. Exported because anything that has to meet the side of a bridge has to know which of the three it is — only a terraced one has steps to follow.
How the ground between two cells is built: 0 flat, 1 terraced slope, 2 cliff. Exported because anything that has to meet the side of a bridge has to know which of the three it is — only a terraced one has steps to follow.