mirror of https://github.com/FabricMC/yarn.git
77 lines
3.4 KiB
Plaintext
77 lines
3.4 KiB
Plaintext
CLASS net/minecraft/class_2919 net/minecraft/world/gen/ChunkRandom
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FIELD field_28768 sampleCount I
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METHOD <init> (J)V
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ARG 1 seed
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METHOD method_12659 setTerrainSeed (II)J
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COMMENT Seeds the randomizer to generate the surface terrain blocks (such as grass, sand, etc.)
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COMMENT and the bedrock patterns.
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COMMENT
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COMMENT <p>Note that the terrain seed does not depend on the world seed and only gets affected by
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COMMENT chunk coordinates.
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ARG 1 chunkX
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ARG 2 chunkZ
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METHOD method_12661 setPopulationSeed (JII)J
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COMMENT Seeds the randomizer to create population features such as decorators and animals.
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COMMENT
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COMMENT <p>This method takes in the world seed and the negative-most block coordinates of the
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COMMENT chunk. The coordinate pair provided is equivalent to (chunkX * 16, chunkZ * 16). The
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COMMENT three values are mixed together through some layers of hashing to produce the
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COMMENT population seed.
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COMMENT
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COMMENT <p>This function has been proved to be reversible through some exploitation of the underlying
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COMMENT nextLong() weaknesses. It is also important to remember that since setSeed()
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COMMENT truncates the 16 upper bits of world seed, only the 48 lowest bits affect the population
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COMMENT seed output.
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ARG 1 worldSeed
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ARG 3 blockX
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ARG 4 blockZ
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METHOD method_12662 getSlimeRandom (IIJJ)Ljava/util/Random;
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ARG 0 chunkX
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ARG 1 chunkZ
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ARG 2 worldSeed
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ARG 4 scrambler
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METHOD method_12663 setCarverSeed (JII)J
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COMMENT Seeds the randomizer to generate larger features such as caves, ravines, mineshafts
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COMMENT and strongholds. It is also used to initiate structure start behavior such as rotation.
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COMMENT
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COMMENT <p>Similar to the population seed, only the 48 lowest bits of the world seed affect the
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COMMENT output since it the upper 16 bits are truncated in the setSeed() call.
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ARG 1 worldSeed
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ARG 3 chunkX
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ARG 4 chunkZ
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METHOD method_12664 setDecoratorSeed (JII)J
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COMMENT Seeds the randomizer to generate a given feature.
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COMMENT
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COMMENT The salt, in the form of {@code index + 10000 * step} assures that each feature is seeded
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COMMENT differently, making the decoration feel more random. Even though it does a good job
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COMMENT at doing so, many entropy issues arise from the salt being so small and result in
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COMMENT weird alignments between features that have an index close apart.
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ARG 1 populationSeed
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COMMENT the population seed computed in {@link #setPopulationSeed(long, int, int)}
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ARG 3 index
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COMMENT the index of the feature in the feature list
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ARG 4 step
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COMMENT the generation step's ordinal for this feature
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METHOD method_12665 setRegionSeed (JIII)J
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COMMENT Seeds the randomizer to determine the start position of structure features such as
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COMMENT temples, monuments and buried treasures within a region.
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COMMENT
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COMMENT <p>The region coordinates pair corresponds to the coordinates of the region the seeded
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COMMENT chunk lies in. For example, a swamp hut region is 32 by 32 chunks meaning that all
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COMMENT chunks that lie within that region get seeded the same way.
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COMMENT
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COMMENT <p>Similarly, the upper 16 bits of world seed also do not affect the region seed because
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COMMENT they get truncated in the setSeed() call.
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ARG 1 worldSeed
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ARG 3 regionX
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ARG 4 regionZ
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ARG 5 salt
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METHOD method_33850 setDeepslateSeed (JIII)J
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ARG 1 worldSeed
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ARG 3 x
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ARG 4 y
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ARG 5 z
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METHOD method_35335 getSampleCount ()I
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METHOD next (I)I
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ARG 1 count
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