- Add security wall animation
- Add waterfall animations
- Add lava animations
- Update layer values from the game to fix the security wall
- Remove leftover debug in `level.gc` that would break level-specific
animations on the second time you visited the level
- Optionally load animated slot textures to the pool so generic can use
them (fixes skull gems in UI)
Added framework to do texture animations entirely in C++. Currently only
works on relatively simple ones, and doesn't handle updating all
parameters - only the speeds.
Connected texture animations to merc and tfrag for skull gems, dark
bomb, and scrolling conveyors.
Cleaned up Tfragment/Tfrag3, which used to be two classes. This was one
of the first C++ renderers, so it had a weird design.