test-nodes: Adds tests for checking some nodes: consumables, materials, projectiles, throwables and weapons.
Lightning projectile is special, since its image is under "scrolls/" (originally specified in "items/misc/lightning.lua").
Fix crash when trying to use lightning scroll.
Scanning left and right somewhat work
Running left and right work. Only abed works for now
One way platforms somewhat work. Still need to work on slopes
One way platforms work. Next up: slopes
Fix collisions with multiple platforms
Make sure interpolation is bounded
Slopes are working 90%
Fix blocks to work for horizontal movement
Update the sandpits-2 and the valley-2 map with new collision layers
Reset velocity to 0 once you hit a platform
update tile_collisions town.tmx to function properly
ready to start making changes
dropping
new collisions: add collisions to npcs, enemies, and select items
able to drop all items with new collision
new collisions: crawling
new collisions: breakable blocks
first round of collision layers

just replaced the tiles, no testing yet