Terrarum/REFERENCING.md

Range	Description
0..4095	Tiles
4096..8191	Walls
8192..8447	Wires
8448..32767	Items (static)
32768..1048575	Items (dynamic*)
1048576..0x7FFF_FFFF	Actors
0x8000_0000..0xFFFF_FFFF (all negative numbers)	Faction

• dynamic items can have their own properties that will persist through savegame.

Actors range in-depth

Range	Description
1048576..0x0FFF_FFFF	Rendered behind (e.g. tapestries)
0x1000_0000..0x5FFF_FFFF	Regular actors (e.g. almost all of them)
0x6000_0000..0x6FFF_FFFF	Special (e.g. weapon swung, bullets, dropped item, particles)
0x7000_0000..0x7FFF_FFFF	Rendered front (e.g. fake tile)