Created
January 18, 2015 00:30
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Pseudo-randomly pick an item from a list using its associated weight.
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| // e.g. stuff = list(A = 25, B = 10) (null gets as 65% chance) | |
| proc/pick_weighted(stuff[]) | |
| if(args.len > 1) stuff = args.Copy() | |
| var random = rand() * 100, a = 0, b, chance | |
| for(var/item in stuff) | |
| chance = stuff[item] | |
| b = a + chance | |
| if(random in a to b) return item | |
| a = b |
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