Bug?: Invisible bikes behind transparent walls

Lackadaisical · Post by **Lackadaisical** » Sat Apr 07, 2007 4:38 pm

Hi, I was testing out 2020's incam server and I realized i couldn't see any bike when they were behind a wall, even though they are transparent and i could see other walls and their names.

Walltexture i use from http://wiki.armagetronad.net/index.php/ ... ist#Linear

Screenshot for clarification:

Jonathan · Post by **Jonathan** » Sat Apr 07, 2007 5:23 pm

Heh, took you a while.

The problem is that Armagetron doesn't have a real rendering engine. It just throws stuff at the GPU without reordering to help transparency. If you look carefully you should notice that not even all walls show through.

Website · Post by **Z-Man** » Sat Apr 07, 2007 5:58 pm

That, and transparent walls on an incam server would be cheating anyway

What will work is walls with whole bits cut out, blotches of full transparency.

andi75 · Post by **andi75** » Wed Apr 11, 2007 12:32 pm

To avoid texture based cheating on incam servers do this:

step 0: draw world geometry (floor, walls)

step 1:
- Disable color buffers (glColorMask)
- Disable alpha test
- Draw cycle trails

step 2: draw everything normally

step 1 will prevent any 'see through' lightcycle trails, and still look like the user of the transparent texture wants it to appear (most of the time).

Post by **Lucifer** » Wed Apr 11, 2007 12:49 pm

Me, I wouldn't consider that cheating. But I don't consider the hud map cheating on an incam server either. My personal experience with see-through walls is that if they're too see-through, they hurt, because you can see the cycles fine, but you can't see the walls very well. A little bit, just a teeny tiny bit, is what's best, because more than that and you start getting confused which side of the wall the target cycle is actually on.