/*
@title: Invisible-cow
@author: Xhand98
@description: Find the cow in an invisible field
@tags: ["puzzle", "funny"]
@addedOn: 2026-05-26
*/

const player = "p"
const cow = "c"
const cowbackup = "b"

const melody = tune`
89.02077151335311: A4~89.02077151335311,
89.02077151335311: A4~89.02077151335311,
89.02077151335311: C5~89.02077151335311,
89.02077151335311: A4~89.02077151335311,
89.02077151335311,
89.02077151335311: A4~89.02077151335311,
89.02077151335311,
89.02077151335311: A4~89.02077151335311,
89.02077151335311: C5~89.02077151335311,
89.02077151335311,
89.02077151335311: E5~89.02077151335311,
178.04154302670622,
89.02077151335311: F5~89.02077151335311,
89.02077151335311: B4~89.02077151335311,
89.02077151335311,
89.02077151335311: G4~89.02077151335311,
89.02077151335311: F4~89.02077151335311,
89.02077151335311: A4~89.02077151335311 + B4~89.02077151335311 + E5~89.02077151335311,
267.06231454005933,
89.02077151335311: E5~89.02077151335311 + G5~89.02077151335311 + F5~89.02077151335311,
89.02077151335311: F5~89.02077151335311,
89.02077151335311,
89.02077151335311: F5~89.02077151335311,
89.02077151335311: A5~89.02077151335311,
178.04154302670622,
89.02077151335311: F5~89.02077151335311,
89.02077151335311: F5~89.02077151335311 + D5~89.02077151335311 + F4~89.02077151335311 + A4~89.02077151335311,
89.02077151335311: G4~89.02077151335311`
const moo = tune`
182.370820668693,
91.1854103343465: B4~91.1854103343465 + A4~91.1854103343465,
91.1854103343465: A4~91.1854103343465,
91.1854103343465: G4~91.1854103343465,
2462.0060790273556`

playTune(melody, moo)

setLegend(
  [player, bitmap`
0000000000000000
000.00.00.00.000
00............00
0..............0
00............00
00............00
0..............0
00............00
00............00
0..............0
00............00
00............00
0..............0
00............00
000.00.00.00.000
0000000000000000`],
  [cow, bitmap`
................
...00..00.......
..080..080......
.0080000800.....
.0111122220.....
..01012020......
..01022020......
.0288888220.....
.028080822000...
..088888201220..
...000000112100.
...022221112100.
...011122222200.
...01000020020..
...00....00.00..
................`],
  [cowbackup, bitmap`
..2.............
................
................
................
................
................
................
................
................
................
................
................
................
................
................
................`]
)

setSolids([])

let level = 0
const levels = [
  map`
............
............
............
............
............
............
............
............
............
............
p........b..
............`,
  map`
p......
.......
.......
.......
.......
.....b.
.......`,
  map`
......
....p.
......
......
......
......
......
......
.b....`,
  map`
................
................
p...............
................
................
................
................
................
................
................
................
................
................
................
................
................
................
................
............b...
................
................
................
................
................
................`
]

setMap(levels[level])

setPushables({
  [ player ]: []
})

const MoveY = (dy) => { getFirst(player).y += dy}
const MoveX = (dx) => { getFirst(player).x += dx}

onInput("s", () => {MoveY(1)})
onInput("d", () => {MoveX(1)})
onInput("w", () => {MoveY(-1)})
onInput("a", () => {MoveX(-1)})


let playback
let won = false
afterInput(() => {
  const targetNumber = tilesWith(cowbackup).length

  let p = getFirst(player)
  let c = getFirst(cowbackup)

  let dist = Math.abs(p.x - c.x) + Math.abs(p.y - c.y)

  if (dist <= 5 && won == false) {
    if (!playback) {
      playback = playTune(moo, Infinity)
    }
  } else {
    if (playback) {
      playback.end()
      playback = null
    }
  }
  
  
  // count the number of tiles with goals and boxes
  const numberCovered = tilesWith(cowbackup, player).length;

  // if the number of goals is the same as the number of goals covered
  // all goals are covered and we can go to the next level
  if (numberCovered === targetNumber) {
    // increase the current level number
    level = level + 1;

    const currentLevel = levels[level];

    // make sure the level exists and if so set the map
    // otherwise, we have finished the last level, there is no level
    // after the last level
    if (currentLevel !== undefined) {
      setMap(currentLevel);
    } else {
      won = true
      addText("You found all the cows!!", { y: 4, color: color`3` });
    }
  }
});