var ArenaMaterial;
var FenceHeight;
var FillMaterial;
var PlatformSize;
var PlatformWidth;
var center_drone;
var d;
var direction;
var distance;
var fill;
var fill_material;
var height;
var material;
var p_height;
var p_material;
var size;

function ArenaWithFence(FenceHeight, PlatformSize, PlatformWidth, ArenaMaterial, FillMaterial) {
  size = PlatformSize;
  p_height = PlatformWidth;
  material = ArenaMaterial;
  fill_material = FillMaterial;
  height = FenceHeight;
  Platform(material, false);
  d.up(PlatformWidth);
  d.right(1);
  d.back(1);
  Fence();
  d.left(1);
  d.fwd(1);
  Platform(fill_material, true);
}

// Size is the size of the platform that the fence is covering.
function Fence() {
  var repeat_end = size + 1;
  for (var count2 = 0; count2 < repeat_end; count2++) {
    for (var count = 0; count < height; count++) {
      d.box(material);
      d.up(1);
    }
    d.fwd(1);
    d.down(height);
  }
  var repeat_end2 = size + 1;
  for (var count4 = 0; count4 < repeat_end2; count4++) {
    for (var count3 = 0; count3 < height; count3++) {
      d.box(material);
      d.up(1);
    }
    d.left(1);
    d.down(height);
  }
  var repeat_end3 = size + 1;
  for (var count6 = 0; count6 < repeat_end3; count6++) {
    for (var count5 = 0; count5 < height; count5++) {
      d.box(material);
      d.up(1);
    }
    d.back(1);
    d.down(height);
  }
  var repeat_end4 = size + 1;
  for (var count8 = 0; count8 < repeat_end4; count8++) {
    for (var count7 = 0; count7 < height; count7++) {
      d.box(material);
      d.up(1);
    }
    d.right(1);
    d.down(height);
  }
}

function GetArenaCenter() {
  return center_drone.getLocation();
}

function Platform(p_material, fill) {
  for (var count11 = 0; count11 < size; count11++) {
    for (var count10 = 0; count10 < size; count10++) {
      if (fill) {
        d.box(p_material);
        d.up(1);
        d.fwd(1);
        d.down(1);
      } else {
        for (var count9 = 0; count9 < p_height; count9++) {
          d.box(p_material);
          d.up(1);
        }
        d.fwd(1);
        d.down(p_height);
      }
    }
    d.back(size);
    d.left(1);
  }
  d.right(size);
}

function SetArenaCenter() {
  center_drone.setLocation((d.getLocation()));
  center_drone.up((height + p_height));
  center_drone.left((size / 2));
  center_drone.fwd((size / 2));
  d.box((Material.MELON_BLOCK));
  d.up(1);
}

function move_drone(direction, distance) {
  if (direction == 'up') {
    d.up(distance);
  }
  if (direction == 'down') {
    d.down(distance);
  }
  if (direction == 'left') {
    d.left(distance);
  }
  if (direction == 'right') {
    d.right(distance);
  }
  if (direction == 'forward') {
    d.fwd(distance);
  }
  if (direction == 'backward') {
    d.back(distance);
  }
}

function init() {
  d = (new Drone(me, me.location));
  center_drone = (new Drone(me, me.location));
}