Consolidate saved data to a single big record. Add mechanics for stats

constants.js

@@ -1438,6 +1438,13 @@ const freeBuildingPowerupText = {
     desc: "Just kidding. It's full of people."
   }
 }
+
+const statTypes = {
+  powerups: {
+    name: "Powerups Clicked"
+  }
+}
+
 deepFreeze(prodUpgradeText);
 deepFreeze(prodAllUpgradeText);
 deepFreeze(clickUpgradeText);

gorge.js

@@ -2,6 +2,8 @@
 
 const belongings = {};
 
+const stats = {};
+
 const macroDesc = {
   name: "Fen",
   species: "crux"
@@ -648,6 +650,10 @@ function initializeData() {
   Object.keys(powerups).filter(x => powerups[x].duration !== undefined).forEach(key => activePowerups[key] = {
     life: 0
   });
+
+  Object.entries(statTypes).forEach(([key, info]) => {
+    stats[key] = 0;
+  });
 }
 
 function registerListeners() {
@@ -1224,44 +1230,78 @@ function save(e) {
 function saveGame() {
   try {
     let storage = window.localStorage;
+    const save = {}
 
-    storage.setItem("save-version", 1);
+    save.version = migrations.length;
+    save.ownedUpgrades = ownedUpgrades;
+    save.resources = resources;
+    save.belongings = belongings;
+    save.stats = stats;
 
-    storage.setItem("ownedUpgrades", JSON.stringify(ownedUpgrades));
-
-    storage.setItem("resources", JSON.stringify(resources));
-
-    storage.setItem("belongings", JSON.stringify(belongings));
+    storage.setItem("save", JSON.stringify(save));
   } catch (e) {
     clickPopup("Can't save - no access to local storage.", "info", [window.innerWidth / 2, window.innerHeight / 5]);
   }
 }
 
+const migrations = [
+  // dummy migration, because there was no version 0
+
+  save => {
+
+  },
+
+  // introduce stats
+  save => {
+    save.stats = {}
+  }
+]
+
+function migrate(save) {
+  let version = save.version;
+
+  while (version != migrations.length) {
+    migrations[version](save);
+    version += 1;
+  }
+
+  save.version = version;
+}
+
 function load() {
   try {
     let storage = window.localStorage;
 
-    if (!storage.getItem("save-version")) {
-      return;
+    // migrate to everything in one
+    if (storage.getItem("save-version")) {
+      const save = {};
+      save.ownedUpgrades = JSON.parse(storage.getItem("ownedUpgrades"));
+      save.resources = JSON.parse(storage.getItem("resources"));
+      save.belongings = JSON.parse(storage.getItem("belongings"));
+      save.version = 1;
+      storage.clear();
+      storage.setItem("save", JSON.stringify(save))
     }
 
-    let newOwnedUpgrades = JSON.parse(storage.getItem("ownedUpgrades"));
+    const save = JSON.parse(storage.getItem("save"));
 
-    for (const [key, value] of Object.entries(newOwnedUpgrades)) {
+    migrate(save);
+
+    for (const [key, value] of Object.entries(save.ownedUpgrades)) {
       ownedUpgrades[key] = value;
     }
 
-    let newResources = JSON.parse(storage.getItem("resources"));
-
-    for (const [key, value] of Object.entries(newResources)) {
+    for (const [key, value] of Object.entries(save.resources)) {
       resources[key] = value;
     }
 
-    let newBelongings = JSON.parse(storage.getItem("belongings"));
-
-    for (const [key, value] of Object.entries(newBelongings)) {
+    for (const [key, value] of Object.entries(save.belongings)) {
       belongings[key] = value;
     }
+
+    for (const [key, value] of Object.entries(save.stats)) {
+      stats[key] = value;
+    }
   } catch (e) {
     clickPopup("Can't load - no access to local storage.", "info", [window.innerWidth / 2, window.innerHeight / 5]);
   }