201-require-device.yaml

version: 1
name: Require device
description: |
  Require a device using the 'require' command.
  https://github.com/swarm-game/swarm/issues/201
objectives:
  - condition: |
      try {
        r <- robotNumbered 1;
        p <- as r {whereami};
        boatEquipped <- as r {equipped "boat"};
        b1 <- as r {count "boat"};
        b0 <- as base {count "boat"};
        return (p == (2,0) && b0 == 0 && boatEquipped && b1 == 0);
      } { return false }
solution: |
  build {require "boat"; move; require "boat"; move}
robots:
  - name: base
    loc: [0,0]
    dir: [1,0]
    devices:
      - 3D printer
      - logger
    inventory:
      - [1, boat]
      - [1, solar panel]
      - [1, treads]
known: [water]
world:
  palette:
    '.': [grass]
    '~': [dirt, water]
    '┌': [stone, upper left corner]
    '┐': [stone, upper right corner]
    '└': [stone, lower left corner]
    '┘': [stone, lower right corner]
    '─': [stone, horizontal wall]
    '│': [stone, vertical wall]
  upperleft: [-1, 1]
  map: |
    ┌───┐
    │.~.│
    └───┘