Make generation more sparse by asking for extra space around rooms; also add out of bounds option to Map.neighbourhood

squirrelbattle/mapgeneration/broguelike.py

@@ -39,9 +39,16 @@ class Generator:
             for rx in range(rw):
                 if room[ry][rx] == Tile.FLOOR:
                     ly, lx = y + ry - door_y, x + rx - door_x
+                    # tile must be in bounds and empty
                     if not(0 <= ly < lh and 0 <= lx < lw) or \
                             level[ly][lx] == Tile.FLOOR:
                         return False
+                    # so do all neighbouring tiles bc we may
+                    # need to place walls there eventually
+                    for ny, nx in Map.neighbourhood(level, ly, lx, large=True, oob=True):
+                        if not(0 <= ny < lh and 0 <= nx < lw) or \
+                                level[ny][nx] != Tile.EMPTY:
+                            return False
         return True
 
     @staticmethod