refactor: routes start

src/scripts/generation/pack/generateRoutes.ts

@@ -0,0 +1,36 @@
+import {TIME} from "config/logging";
+
+export function generateRoutes(burgs: TBurgs) {
+  const routeScores = new Uint8Array(n); // cell road power
+  getRoads(burgs);
+  // const townRoutes = getTrails();
+  // const oceanRoutes = getSearoutes();
+
+  return routeScores;
+}
+
+const getRoads = function (burgs: TBurgs) {
+  TIME && console.time("generateMainRoads");
+  const cells = pack.cells;
+
+  const isBurg = (burg: TNoBurg | IBurg): burg is IBurg => burg.i > 0;
+  const capitals = burgs.filter(burg => isBurg(burg) && burg.capital && !burg.removed) as IBurg[];
+  capitals.sort((a, b) => a.population - b.population);
+
+  if (capitals.length < 2) return []; // not enough capitals to build main roads
+
+  const paths = []; // array to store path segments
+
+  for (const b of capitals) {
+    const connect = capitals.filter(c => c.feature === b.feature && c !== b);
+    for (const t of connect) {
+      const [from, exit] = findLandPath(b.cell, t.cell, true);
+      const segments = restorePath(b.cell, exit, "main", from);
+      segments.forEach(s => paths.push(s));
+    }
+  }
+
+  cells.i.forEach(i => (cells.s[i] += cells.road[i] / 2)); // add roads to suitability score
+  TIME && console.timeEnd("generateMainRoads");
+  return paths;
+};