[ ] Commands: Cast, Equip, Eat/Drink, Read
[ ] Some commands require an additional direction input -> when executed put player in
direction select state.
+
+## Inventory
+[ ] Stackable upgrade items
+[ ] Each time has an inventory slot, an enable bit as well as a stack count
+[ ] Items can be consumed to get temporary buffs (e.g. hp, ammo etc)
+[ ] Each item type has a callback per stat that the stat functions call if unit is player type