1271-wall-boundaries.yaml

version: 1
name: Wall boundary display
creative: false
description: |
  Demonstrate rendering of contiguous boundaries.

  Only adjacent with the 'boundary' property
  will be rendered with box border glyphs.
attrs:
  - name: purpleWall
    fg: '#ff00ff'
  - name: cyanWall
    fg: '#00ffff'
objectives:
  - goal:
      - Place all fences
    condition: |
      as base {
        hasFence <- has "fence";
        pure $ not hasFence;
      }
solution: |
  def doN = \n. \f. if (n > 0) {f; doN (n - 1) f} {}; end;

  doN 4 (
    doN 6 (place "fence"; move);
    turn left;
  );

  doN 2 move;
  turn left;

  doN 2 (
    doN 2 move;
    place "fence";
  );
  turn right;
  move;
  turn right;
  move;
  place "fence";
  move;
  place "fence";
  move;
robots:
  - name: base
    dir: east
    display:
      attr: robot
    devices:
      - branch predictor
      - comparator
      - compass
      - dictionary
      - grabber
      - logger
      - treads
      - antenna
      - ADT calculator
    inventory:
      - [28, fence]
entities:
  - name: wall
    display:
      char: 'x'
      attr: purpleWall
    description:
      - A wall
    properties: [known, boundary]
  - name: fence
    display:
      char: 'F'
      attr: cyanWall
    description:
      - A fence
    properties: [known, boundary]
known: [boulder]
world:
  default: [blank]
  palette:
    'Ω': [grass, null, base]
    '.': [grass]
    '#': [grass, wall]
    '@': [grass, boulder]
  upperleft: [0, 0]
  map: |
    Ω.........
    ....#.....
    ..####..##
    ..#.##....
    ..#..#..#.
    ..####..#.
    ..........
    ...@@@....
    ...@.@....
    ...@@@....