// Throughput of belts and screw tubes: grains delivered per second. Whatever lands
// past the outlet is taken away, so the output pile never backs up into the line.
const { load, flatWorld, rect, ticks, count } = require('../../test/harness');
const { run } = load();
const res = {};
function fresh() { flatWorld(run, 320, 200, 120); run('bot.x = 20; bot.y = 40; money = 1e6; globalThis.__got = 0;'); }
function rate(x0, x1, y0, y1) {
  const sink = `for (let y=${y0};y<=${y1};y++) for (let x=${x0};x<=${x1};x++) { const i=y*W+x; if (mat[i]===SAND) { mat[i]=EMPTY; __got++; } }`;
  for (let k = 0; k < 90; k++) run(`simTick(); ${sink}`);
  run('__got = 0');
  for (let k = 0; k < 300; k++) run(`simTick(); ${sink}`);
  return run('__got') / 5;
}
// sideways tube fed by a walled hopper sitting on its first two blocks
fresh();
run('for (let bx = 20; bx < 30; bx++) placeBlock(BP_TUBE, 1, bx, 20, true);');
run('for (let y = 0; y < 80; y++) { setCell(y*W+79, STONE, AMB[y], 0); setCell(y*W+96, STONE, AMB[y], 0); }');
rect(run, 80, 0, 95, 79, run('SAND'));
res.tubeSideways = rate(120, 319, 84, 119);
res.tubeLanes = run('(() => { const s = new Set(); for (let y = 80; y < 84; y++) for (let x = 100; x < 120; x++) if (mat[y*W+x] === SAND) s.add(y); return s.size; })()');
// lift: a column of up-tubes in a pit of sand, turned sideways at the top
fresh();
run('for (let y = 120; y < 196; y++) for (let x = 90; x < 130; x++) setCell(y*W+x, EMPTY, AMB[y], 0)');
rect(run, 90, 130, 129, 195, run('SAND'));
run('for (let by = 20; by <= 37; by++) placeBlock(BP_TUBE, 0, 26, by, true); for (let bx = 26; bx <= 40; bx++) placeBlock(BP_TUBE, 1, bx, 19, true);');
res.lift = rate(164, 319, 80, 119);
res.liftLanes = run('(() => { const s = new Set(); for (let y = 76; y < 80; y++) for (let x = 120; x < 160; x++) if (mat[y*W+x] === SAND) s.add(y); return s.size; })()');
// belt: 12 blocks, a pile dropped on its back end
fresh();
run('for (let bx = 20; bx < 32; bx++) placeBlock(BP_BELT, 1, bx, 25, true);');
rect(run, 80, 20, 95, 99, run('SAND'));
res.belt = rate(128, 319, 104, 119);
console.log(JSON.stringify(res));