Trommel

Coin Cost	5,500
Hammer Cost	1,000
Upkeep	550 Coins
Hit Points	25
Tech Requirement	Mining
Building Size	1X1
Max Amount	6

Description

Wait... riches in exchange for stone? count me in.

A cornerstone for any mining related activities allowing players to break down stones into valuable materials. The trommel will accept each type of stone (Each giving a different reward rate see below) and will break them down into iron ore, gold ore, redstone, diamonds, emeralds and dirt (Waste product). To use, place stones in the input chest and the trommel will passively process them and deposit resources in the output chest. The rate of processing can be improved via technologies. If all slots in the output chest are full the trommel will stop until space is made, it is recommended for mayors to place large stores of chests to deal with waste products.

Base processing speed is 10 per minute.

 "rewards": "emerald,diamond,gold_ore,iron_ore,redstone,coal",
 percents
   "cobblestone": "0.5,0.5,1,1,3,4",
   "stone":       "0.6,0.6,1.5,3,4,6",
   "sandstone":   "0.7,0.7,2,3,4,6",
   "granite":     "0.7,0.7,2,3,6,6",
   "diorite":     "0.7,0.7,2,6,4,6",
   "andesite":    "0.8,0.8,4,4,4,6",
   "obsidian":    "0.9,0.9,4,5,5,5"

Each upgrade level gives a 10% higher chance for a reroll, with stats above.

Upgrade Table

Tech Requirement	Coin Cost	Hammer Cost
Mining	5,500	1,000
Mineral Processing	7,500	1,500
Sifting	13,000	2,600
Medieval warfare	15,000
Stonecrushing	60,000	12,000
Diamond Saw	75,000	15,000