Merge pull request #835 from DanielNoord/tillnextachiev

Some optimizations in Left till next achievement calculations

src/Cache/TillNextAchievement/AllAmountTillNextAchievement.js

@@ -26,9 +26,7 @@ export default function AllAmountTillNextAchievement(forceRecalc) {
       result[i] = {
         AmountNeeded: tillNext,
         TotalNeeded: Game.Objects[i].amount + tillNext,
-        price: Game.Objects[i].getSumPrice(
-          Game.Objects[i].amount + tillNext - Game.Objects[i].amount,
-        ),
+        price: Game.Objects[i].getSumPrice(tillNext),
       };
     }
   });

src/Cache/TillNextAchievement/IndividualAmountTillNextAchievement.js

@@ -3,10 +3,24 @@ import { SimAchievementsOwned } from '../../Sim/VariablesAndData';
 
 export default function IndividualAmountTillNextAchievement(building) {
   const AchievementsAtStart = Game.AchievementsOwned;
-  for (let index = 0; index < 101; index++) {
+  let index = 100;
+  let lastIndexWithChange = 100;
+  while (index > -1) {
     BuyBuildingsBonusIncome(building, index);
     if (SimAchievementsOwned > AchievementsAtStart) {
-      return index;
+      lastIndexWithChange = index;
+      index -= 10;
+    } else if (index === 100) {
+      return 101;
+    } else {
+      index += 1;
+      while (index <= lastIndexWithChange) {
+        BuyBuildingsBonusIncome(building, index);
+        if (SimAchievementsOwned > AchievementsAtStart) {
+          return index;
+        }
+        index += 1;
+      }
     }
   }
   return 101;