I'm having a problem with directional slabs. They kind of reset the direction when I create a double slab.
I have a totally working slabs class, from this tutorial: https://www.youtube.com/watch?v=il-BQaPxQSA&index=25&list=PLpKu3PfwdqHRA8aoa4RAzO9camNR9Tm45
And a directional block class which is basically the vanilla furnace.
I am tryinmg to merge these. The purspose is to make asphalt slabs, for roads.
The half slabs works perfectly, the line in the middle of the texture is always pointing in the right direction.
But when I put another one on top of a bottom slab, to make the double slab, It always points in the same direction, it somehow loses the state/meta data for FACING. I have been trying to find out why for a while now, so I will be very grateful if someone can figure it out.
This is my base class:
And these are the three slab classes: