ImageExamplePack/pack.yml at master · WizardWoodland/ImageExamplePack · GitHub

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id: IMAGEEXAMPLE
author: Astrash
version: "1.0.0"

noise:

  imageNoiseMountains:
    # This is an image noise sampler:
    type: Image
    image: images/heightmaps/mountain_1.png
    channel: GRAYSCALE
    frequency: 1  #  Lower frequency   =  stretch the image to make larger
                  #
                  #  Higher frequency  =   squish the image to make smaller
                  #
                  # A frequency of 1 means 1 pixel = 1 block
                  #
                  # I would not suggest any frequency below 1 for image
                  # noise samplers, as you will lose detail!

biomes:

  type: PIPELINE
    # Here PIPELINE is used instead of IMAGE, such that
    # we can randomize some aspects of biome arrangement
    # instead of having EVERYTHING determined by an image.
    #
    # You could use the IMAGE provider if you want to define
    # exactly how every biome is arranged, however with
    # PIPELINE, we can do things like arrange just the land
    # and water, and get the biome pipeline to randomize
    # everything else.
    #
    # In this example, the mountain climates will be dictated
    # by an image, while the variations of biomes within those
    # climates will be randomized by some noise.

  resolution: 1
    # Having a resolution of 1 gives a 1:1 block to pixel ratio
    # at the cost of some performance. For this example it's fine
    # since the pipeline is fairly simple, but for more complicated
    # pipeline setups, I would recommend setting the resolution
    # higher (around 3-5), so that things stay performant.
    #
    # If you make the resolution higher, and still want to retain
    # the 1:1 ratio, modify the frequency of your image noise samplers
    # within the pipeline such that they equal the resolution.
    #
    #   For example, increasing the resolution to 4 will stretch things
    #   by a factor of 4, so increasing the frequency of the image sampler
    #   to 4 will squish it by a factor of 4, effectively retaining the
    #   same ratio of blocks to pixels (just with lower quality biome sampling).

  blend:
    amplitude: 1

    noise:
      type: OpenSimplex2
      frequency: 0.12

  pipeline:

    source:
      type: NOISE
      noise:
        # Another image noise sampler, for dictating the climate
        type: Image
        image: images/climate_distribution.png
        channel: GRAYSCALE
        frequency: 1
      biomes:
        MOUNTAINS: 1
        SNOWY_MOUNTAINS: 1

    stages:
      - mutate: # Temperate mountain variants
          type: REPLACE
          from: "BIOME:MOUNTAINS"
          to:
            - SELF: 4
            - ARID_MOUNTAINS: 1
          noise: &biomeVariant
            # Noise that determines how variants
            # within each climate are distributed
            type: Cellular
            return: CellValue
            frequency: 0.08

      - mutate: # Snowy mountain variants
          type: REPLACE
          from: "BIOME:SNOWY_MOUNTAINS"
          to:
            - SELF: 4
            - FROZEN_MOUNTAINS: 1
          noise: *biomeVariant