Added requirements to mixer recipes

Assets/Scripts/Game/UpgradeManager.cs

@@ -1,9 +1,10 @@
-using System.Collections.Generic;
+using System.Runtime.CompilerServices;
+using System.Collections.Generic;
+using UnityEngine.Scripting;
 using UnityEngine;
-using System.IO;
 using System.Linq;
+using System.IO;
 using System;
-using System.Runtime.CompilerServices;
 
 #if UNITY_EDITOR
 using UnityEditor;
@@ -13,7 +14,6 @@ namespace Fruitomation.Game
 {
     [Serializable] public enum BasicUpgrade
     {
-        //Apple, - Unlocked by default
         Grapes,
         Bananas,
         Kiwi,
@@ -50,6 +50,8 @@ namespace Fruitomation.Game
         PitayaFoodDye,
         PitayaIceCream,
         SpicedPitayaIceCream,
+        
+        Apple
     }
 
     [Serializable] public enum BuildingUnlock
@@ -57,20 +59,20 @@ namespace Fruitomation.Game
         None,
         
         //Wall, - Unlocked by default
-        //Slope,
-        Floor,
+        //Slope, - Unlocked by default
+        [Preserve] Floor,
         
         //Spring, - Unlocked by default
-        Fan,
-        Alternator,
+        [Preserve] Fan,
+        [Preserve] Alternator,
         
         //Slicer, - Unlocked by default
         //Presser, - Unlocked by default
-        HeatExchanger,
-        Grinder,
-        Mixer,
-        Fermenter,
-        Peeler,
+        [Preserve] HeatExchanger,
+        [Preserve] Grinder,
+        [Preserve] Mixer,
+        [Preserve] Fermenter,
+        [Preserve] Peeler,
     }
 
     public class UnlockedUpgrades
@@ -149,6 +151,8 @@ namespace Fruitomation.Game
                 {
                     CurrentUpgrades = JsonUtility.FromJson<UnlockedUpgrades.Serialized>(json).Unserialize();
                 }
+                
+                CurrentUpgrades.Unlock(BasicUpgrade.Apple); // Unlocked by default
             }
 
             CurrentUpgrades ??= new UnlockedUpgrades();
@@ -189,6 +193,7 @@ namespace Fruitomation.Game
         public static void ResetUpgrades()
         {
             CurrentUpgrades = new UnlockedUpgrades();
+            CurrentUpgrades.Unlock(BasicUpgrade.Apple); // Always unlocked
         }
 
         [MenuItem("Fruitomation/Unlock All Upgrades")]