~~maybe quarter-rotations too?~~ item
x extend medieval set? top version of single ice spike alt version of normal rock spikes in misc planty set
weapon+coin block should be items particle+star block should be items grinder should be an item? portucullis could be itemified cacti, clouds, and bush should be backgrounds slime drip as particles? levels, buttons, keys, diamonds: items
composable, overlayable tiles (yak shaving) slope tiling errors split brushes into tiles/brushes heightmap fixes zone crossover fixes proper layering