Part 2 - Placing Terrain
The current terrain-type is a terrain-type that varies.
The current terrain is a terrain that varies.
To place terrain:
now the current terrain-type is a random terrain-type;
DM "Terrain placement beginning with [the current terrain-type].[line break]";
repeat with temporary locale running through Blight rooms:
now the current terrain is a random terrain in Z1;
now the current terrain is in the temporary locale;
now the terrain-type of the current terrain is the current terrain-type;
if a random chance of (the change likelihood of the current terrain-type) in 100 succeeds:
now the current terrain-type is a random terrain-type;
DM "Terrain switch! Now placing [the current terrain]....[line break]".