I've read a lot about mobs not being able to "spawn" on half-bricks (slabs) - but what about walk on them?
I surrounded my house with a 3 wide path of sandstone slabs (positioned correctly i.e. in the space - lower half = slab, upper half = air. I figured that's why they can't spawn on them - cos of that top half of air.)
So I go charging out my house one morning without looking and straight into a skeleton and creeper - they were stood on my slabs. So I double checked by putting dirt squares on the slabs where the mobs were stood, on the and yep, they "floated" above the air pocket).
So, is it that the slab rule doesn't work if the slabs are sandstone?
Or is it that mobs can walk on them (i.e. walking not being the same as spawning)?
Or is it something entirely different I don't know about yet (a newbie).
Have I wasted a lot of time making and laying over 400 blasted slabs? (That would be par for the course for me lol).