Random Number Seeds for Minecraft — bedrock_random_create

Minecraft uses several different kind of seeds during world generation and gameplay.

Usage

bedrock_random_create_seed(x, z, a, b, salt, type)

Arguments

x, z: chunk coordinates
a, b: seed parameters
salt: seed parameter
type: which seed type to use

Details

bedrock_random_create_seed() constructs a seed using the formulas type 1: x*a ^ z*b ^ salt, type 2: x*a + z*b + salt, and type 3: x*a + z*b ^ salt.

Examples

# identify slime chunks
g <- expand.grid(x=1:10, z=1:10)
is_slime_chunk <- mapply(g$x, g$z, FUN = function(x,z) {
  seed <- bedrock_random_create_seed(x,z,0x1f1f1f1f,1,0,type=1)
  bedrock_random_seed(seed)
  bedrock_random_get_uint(1,10) == 0
})