Variant Furnaces

Adds new furnaces and furnace upgrades!

Current Furnaces

Copper, Iron, Gold, Diamond, Emerald, Crystal, Obsidian, and Netherite Furnace.

Current Upgrades

Fuel Augment & Speed Augment.

Planned

• Blasting & Smoke Augments
• Other augments to upgrade/change how furnaces work?

Known Issues

• Using the stone-copper upgrade resets remaining cook time
• Using an upgrade drops furnace xp instead of keeping it stored inside of the furnace