I am in the early stages of making a 2D platformer title, and I am trying to make stairs. The main setback I face at the moment, isn't getting up the stairs, but having them even collide properly. Some searches have shown me that in a tilemap (solid), any pixels that are transparent should not be collidable with, but mine are.
The stairs are clearly transparent in the software I made them in (16x16 exported to 32x32), but it is regarded in the same manner as a solid block.
This is not a problem with the player's collision, which is very close-fitting.
So what is to be done?