DaveMcD

Curious about RNG in TLD

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So I've been thinking about the random number generation in TLD. Is it perhaps using somethign on your hardware (i.e MAC address) as the seed and is it perhaps pseudo-random rather than really random and is your playing harware influencing the random numbers and therfore consistently giving you similar outcomes? The reason I ask is that I'm wondering about my own observations of luck in the game vs potential observation bias. 

example - I feel like I get a lot more blizzards and extreme weather in game than I see other people get watching  streams. In a 96 day Interloper I've had 50 blizzards. In other runs I seem to get equally crappy weather often compared to what I see from others. Some peoples deadman runs had way more favourable weather than I seemed to get.

I've only ever played this on the one machine. Has anyone played across multiple devices and noticed the runs having consistent outcomes on particular machines?

As I said could all be confirmation bias on my part.

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I'm on day 73 of an Interloper game and have experienced about 30 blizzards so far, so your 50 in 96 days doesn't seem statistically improbable.

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It can certainly depend on location. Pleasant Valley famously has terrible weather. 

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Sample size is way too small.   And all RNG are psuedo-random for computers; typically you take the seed from the clock (in milliseconds).

However, in my Voyager game I had 39 blizzards by day 50, and had only been in PV 5 days (TWM: 0).  Had 3 blizzards in Hopeless Rescue.  Just lucky.

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You need a specialized piece of hardware (a hardware random generator) to have truely random data.
Since you cannot expect everyone to have such a piece of hardware a pseudo-random generator (a piece of software) is used instead.

Unity uses its own implementation that claims to produce the same results on all platforms.

But even a true random generator can result in extreme streaks of good or bad luck, since this merely means you hit a certain sequence of random numbers.

 

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