Cave Generator Variable Structure A

------------------------------------- File Structure --------------------------------------
/config/cavegenerator/presets/variables.cave
/config/cavegenerator/presets/example.cave

------------------------------------- variables.cave --------------------------------------
# In this structure, variables are imported from any other regular preset.
# Because presets will spawn unwanted caves underground, they would need to
# be disabled if you just want to use them for definitions. In my opinion,
# this structure is easier to understand, but potentially more problematic.
enabled: false
variables: {
  definitions: {
    # Here we're defining a reusable `biomes` object for forest biomes.
    FOREST_BIOMES: {
      types: ["FOREST"]
    }
  }
}

-------------------------------------- example.cave ---------------------------------------
enabled: true
# Inside of our preset, we can import definitions from other presets *and*
# define new variables.
variables: {
  imports: [
    # This import will provide the `FOREST_BIOMES` variable from above.
    variables.cave
  ]
  definitions: {
    # We're also defining a new cave block object to use in-house.
    LAVA: {
      states: [ "lava" ]
      maxHeight: 10
    }
  }
}
# This needs to be put in quotes because, after all, it is just a regular
# string. In this case, because it is on the same line as the array brackets,
# the parser will not be expecting a raw string token. We need to clarify
# that we are just putting a raw string here. Or else, you can use a new line.
caveBlocks: [ "$LAVA" ]
biomes: $FOREST_BIOMES
blankSlate: false