feat: add production campaigns, gameplay labs, and review documentation

labs/car-loop/batch.js

@@ -0,0 +1,39 @@
+import { rotate, trace, directions } from './model.js';
+
+// A run only removes cars reachable in the current orientation. It never turns.
+export function currentDeparture(board, cars) {
+  return cars.find(car => trace(board, car, cars).status === 'exit') || null;
+}
+export function drainOrientation(board, cars = board.cars) {
+  let remaining = [...cars];
+  const departed = [];
+  for (let car; (car = currentDeparture(board, remaining));) {
+    departed.push(car.id); remaining = remaining.filter(c => c.id !== car.id);
+  }
+  return { remaining, departed };
+}
+
+// Every edge is one player turn followed by a run. Search both directions to
+// measure actual player effort, rather than counting rotations in a car solver.
+export function rotationPlan(board, cars = board.cars) {
+  const n = directions(board.kind).length;
+  const initial = drainOrientation(board, cars);
+  const queue = [{ orientation: 0, remaining: initial.remaining, turns: [], waves: [initial.departed.length] }];
+  const visited = new Set();
+  for (let head = 0; head < queue.length; head++) {
+    const state = queue[head];
+    if (!state.remaining.length) return state;
+    for (const turn of [-1, 1]) {
+      const orientation = (state.orientation + turn + n) % n;
+      const next = drainOrientation(rotate(board, orientation), state.remaining);
+      const key = `${orientation}:${next.remaining.map(c => c.id).sort().join(',')}`;
+      if (visited.has(key)) continue;
+      visited.add(key);
+      queue.push({ orientation, remaining: next.remaining, turns: [...state.turns, turn], waves: [...state.waves, next.departed.length] });
+    }
+  }
+  return null;
+}
+
+export const batchTitles = ['转向开路', '折返放行', '连续调度'];
+export const batchSeeds = { hex: [3, 14, 8], square: [6, 12, 19] };