https://www.youtube.com/watch?v=wGA_xiZH6ao&feature=youtu.be
There are 3 tiers of building components (Wood, Stone, and Metal) each tier has 17 building parts, aside from also torches and beds.
Building pieces take damage, who owns the building piece, and is able to be demolished by key press if you are the owner of the building.
Building system is fully integrated with the inventory system. Placement of building pieces occurs through the player hotbar.
All of the building pieces have destructible meshes, and shatter when destroyed.
Next will be moving on to the item containers (chests), and crafting tables.