refactor: start files migration nightmare

modules/biomes.js

@@ -0,0 +1,76 @@
+window.Biomes = (function () {
+  const getDefault = () => {
+    const name = [
+      "Marine",
+      "Hot desert",
+      "Cold desert",
+      "Savanna",
+      "Grassland",
+      "Tropical seasonal forest",
+      "Temperate deciduous forest",
+      "Tropical rainforest",
+      "Temperate rainforest",
+      "Taiga",
+      "Tundra",
+      "Glacier",
+      "Wetland"
+    ];
+
+    const color = [
+      "#466eab",
+      "#fbe79f",
+      "#b5b887",
+      "#d2d082",
+      "#c8d68f",
+      "#b6d95d",
+      "#29bc56",
+      "#7dcb35",
+      "#409c43",
+      "#4b6b32",
+      "#96784b",
+      "#d5e7eb",
+      "#0b9131"
+    ];
+    const habitability = [0, 4, 10, 22, 30, 50, 100, 80, 90, 12, 4, 0, 12];
+    const iconsDensity = [0, 3, 2, 120, 120, 120, 120, 150, 150, 100, 5, 0, 150];
+    const icons = [
+      {},
+      {dune: 3, cactus: 6, deadTree: 1},
+      {dune: 9, deadTree: 1},
+      {acacia: 1, grass: 9},
+      {grass: 1},
+      {acacia: 8, palm: 1},
+      {deciduous: 1},
+      {acacia: 5, palm: 3, deciduous: 1, swamp: 1},
+      {deciduous: 6, swamp: 1},
+      {conifer: 1},
+      {grass: 1},
+      {},
+      {swamp: 1}
+    ];
+    const cost = [10, 200, 150, 60, 50, 70, 70, 80, 90, 200, 1000, 5000, 150]; // biome movement cost
+    const biomesMartix = [
+      // hot ↔ cold [>19°C; <-4°C]; dry ↕ wet
+      new Uint8Array([1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 10]),
+      new Uint8Array([3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 9, 9, 9, 9, 10, 10, 10]),
+      new Uint8Array([5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 9, 9, 9, 9, 9, 10, 10, 10]),
+      new Uint8Array([5, 6, 6, 6, 6, 6, 6, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10]),
+      new Uint8Array([7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 10, 10])
+    ];
+
+    // parse icons weighted array into a simple array
+    for (let i = 0; i < icons.length; i++) {
+      const parsed = [];
+      for (const icon in icons[i]) {
+        for (let j = 0; j < icons[i][icon]; j++) {
+          parsed.push(icon);
+        }
+      }
+      icons[i] = parsed;
+    }
+
+    return {i: d3.range(0, name.length), name, color, biomesMartix, habitability, iconsDensity, icons, cost};
+  };
+
+  return {getDefault};
+})();