copper:common:rough,jungle:ore:colour=greenish,mod=-2
gold:uncommon:rough,jungle:ore:colour=yellowish,mod=-2,val=100
iron:uncommon:rough,tundra:ore:colour=reddish,mod=-2,val=20
lead:common:rough:ore:colour=silvery,mod=-4,val=-300
platinum:rare:rough,tundra:ore:colour=silvery,mod=-2,val=150
silver:uncommon:rough,jungle:ore:colour=silvery,mod=-1,val=50
tin:common:rough,tundra:ore:colour=silvery,mod=-2
zinc:uncommon:rough,tundra:ore:colour=silvery,mod=-3,val=20
brass:uncommon:alloy:bar:mod=-1,formula=copper+zinc,val=60
bronze:uncommon:alloy:bar:mod=-1,formula=copper+tin,val=50
steel:uncommon:alloy:bar:mod=0,formula=iron+coal,val=65
electrum:uncommon:alloy:bar:mod=-1,formula=gold+silver,val=180
orichalcum:rare:alloy:bar:mod=1,formula=copper+cinnabar+iron+zinc,val=180
mithril:rare:alloy:bar:mod=2,formula=iron+silver+antimony+zinc,val=225
adamantite:rare:alloy:bar:mod=2,formula=silver+meteorite+iron+pitchblende,val=250
trillian:rare:alloy:bar:mod=3,formula=platinum+meteorite+iron+cinnabar,val=250
34: void set_metal_bonus(int i)
36: metal_bonus = (i+50)/100;
37: if(metal_bonus < 0)
38: metal_bonus = 0;
gold = (100+50)/100 = 1.5 = 1 + 1 = 2
mithirl = (225+50)/100 = 2.75 = 2 + 1 = 3
adamantite = (250+50)/100 = 3 = 3 + 1 = 4