// get the height info for this chunk
heights = HeightInfo.getHeightsFaster(generator, blockX, blockZ);
if (!heights.anyEmpties) {
// sidewalks?
SidewalkStyle sidewalks = SidewalkStyle.NONE;
if (x == 2 || x == PlatMap.Width - 3) {
sidewalks = SidewalkStyle.EASTWEST;
if (z == 2 || z == PlatMap.Width - 3)
sidewalks = SidewalkStyle.INTERSECTION;
} else if (z == 2 || z == PlatMap.Width - 3)