ok ive been wondering for a long time of how minecraft uses your custom seed and turns it into a playable map, i know letters are turned to numbers but beyond that i don't know much. I would like to know how this works and if they have a program online somewhere that could show me what a seed would look like if i was to input it as a xbox seed. (For example lets say 801 makes a part of the map snowy) i would like to know how this works so i could find the seeds i wanted faster. Also, if anyone knows the map seed for the first tutorial world i would be grateful if you could tell me. thank you for your time.
the seed of a map just determines which chunks get loaded on it, and what biomes there are. to quote the wiki: "
World generation
Whenever the game has to generate a new world, it calls upon an algorithm. This algorithm will output a pseudo-random value that is then used to determine what the world will look like. However, the algorithm will always end up with the same value if the starting point (seed) that the algorithm uses is the same number.
This is why seeds exist-to easily generate entirely different worlds from a single value.
Whenever the world generation algorithm is updated, the same seed will no longer generate the same terrain. This is why in some different versions of the game, the same seed will not give the same world.
A world's seed is set when that world is created. By default, it is decided automatically (if so, the game uses the system time as the seed), but it can also be set manually. Set and reuse a seed to replay that world, or use a known seed to play the same world as another player. Either a number or a word/phrase can be used, including negatives.
If the seed or generator changes in a saved world, new chunks will be based on the new seed, and will not match those from the old seed (this phenomenon was widely observed with the Adventure Update). Deleted chunks can regenerate if the seed and generator remains the same, but will change if either the seed or generator changes. It is important to note that since seeds are simply random values read into an algorithm and not actually names of different worlds, using a certain seed will not necessarily result in a world with any relevance to the value of that seed. For instance, using a biome name as your seed will not necessarily result in the creation of a world with primarily that biome."
I haven't ever heard of anyone being able to break it down so that they can find a definitive pattern to it. To my knowledge, there is no website ap that deals with this either (e.g. similar to the slime finder one). I think you're SOL.
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World generation
Whenever the game has to generate a new world, it calls upon an algorithm. This algorithm will output a pseudo-random value that is then used to determine what the world will look like. However, the algorithm will always end up with the same value if the starting point (seed) that the algorithm uses is the same number.
This is why seeds exist-to easily generate entirely different worlds from a single value.
Whenever the world generation algorithm is updated, the same seed will no longer generate the same terrain. This is why in some different versions of the game, the same seed will not give the same world.
A world's seed is set when that world is created. By default, it is decided automatically (if so, the game uses the system time as the seed), but it can also be set manually. Set and reuse a seed to replay that world, or use a known seed to play the same world as another player. Either a number or a word/phrase can be used, including negatives.
If the seed or generator changes in a saved world, new chunks will be based on the new seed, and will not match those from the old seed (this phenomenon was widely observed with the Adventure Update). Deleted chunks can regenerate if the seed and generator remains the same, but will change if either the seed or generator changes.
It is important to note that since seeds are simply random values read into an algorithm and not actually names of different worlds, using a certain seed will not necessarily result in a world with any relevance to the value of that seed. For instance, using a biome name as your seed will not necessarily result in the creation of a world with primarily that biome."
that explains it fairly well I think.