This is driving me crazy. I can load the common set of textures just fine. I can apply them to brushes. But in game, they appear as gray bricks with white lines on them.
For example. When I make a cushion texture, it goes on just fine. In game, it appears as the gray box with white lines on it and doesn't cushion you.
Same for ladder. I can't climb it. It just appears the same as the cushion.
Same for player clip. I can walk on it, but I can also see it.
I am on Radiant 1.4. What am I doing wrong?