Difference between revisions of "Map generator/settings"

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(Created page with "Settings for the Mapgenerator can be made in the minetest.conf file. You can choose different generators, enable dungeons, create flat maps and many more. Example setting...")
 
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Settings for the Mapgenerator can be made in the [[minetest.conf]] file. You can choose different generators, enable dungeons, create flat maps and many more.
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Settings for the [[Map Generator|map generator]] can be made in the [[minetest.conf]] file. You can choose different generators, enable dungeons, create flat maps and many more.
  
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Example settings can be found in the [https://github.com/minetest/minetest/blob/master/minetest.conf.example#L334 minetest.conf.example] file.
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A list of all map generator settings can be found in [https://github.com/minetest/minetest/blob/master/minetest.conf.example minetest.conf.example] or in the Advanced settings.
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== mg_name ==
 
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v7 - currently in development
 
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v6 - current standard
 
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indev - just like v6 but with experimental features (e.g. flolands)
 
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math - mathematical structures/fractals
 
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singlenode - total void
 
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== Perlin noise attributes ==
 
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=== Offset and Scale ===
 
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Offset and scale should be left alone unless you know what you are doing, these define the average value and amplitude of the noise value output.
 
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0, 1 is standard and matches the older lua perlin functions whose scale and offset are always set to 0 and 1.
 
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0, 1 means the noise value has an average value of 0 and varies very roughly between -1 and 1, although depending on octaves and persistence the output can occasionally be as large as -2 to 2.
 
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=== Spread factor ===
 
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Written as (x,y,z) e.g. (250,250,250). Those numbers are in nodes (or meters) and very roughly define the maximum scale of that perlin structure. So the spread factor of the biome perlin noise is very roughly the maximum size in nodes of the biomes. To make biomes twice as big try (500, 500, 500). These three numbers enable setting the maximum structure scale independently for x y and z. So you could create biomes stretched in the z direction by using (250, 250, 500).
 
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=== Seed and Seeddiff ===
 
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A perlin function needs a 'seed', this is just any old random whole number that acts as a seed to 'grow' a particular noise pattern, same seed same noise pattern.
 
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Seeddiff = seed difference. Perlin functions that use 'seeddiff' instead of 'seed' are 'world dependant'. The value used as a seed is worldseed + seeddiff. Seeddiff creates perlin functions with different patterns but they also remain world dependant, meaning in different worlds you get different patterns but also in the same world you get the same pattern.
 
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=== Number of octaves ===
 
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More octaves means more details and more calculation.
 
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=== Persistence ===
 
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Persistence defines how strong the details are visible, it does not add more of them. A low persistence will cause the terrain to be smooth, a high (max 1) causes strong ups and downs.
 

Latest revision as of 14:48, 22 January 2023

Settings for the map generator can be made in the minetest.conf file. You can choose different generators, enable dungeons, create flat maps and many more.

A list of all map generator settings can be found in minetest.conf.example or in the Advanced settings.

Retrieved from "http://wiki.minetest.net/index.php?title=Map_generator/settings&oldid=27560"