Started working on Builder job and building buildings

Assets/Scripts/GameManager.cs

@@ -6,15 +6,16 @@ public class GameManager : MonoBehaviour
 {
     public Dictionary<Resource.ResourceType, int> statistics = new Dictionary<Resource.ResourceType, int>();
     public static GameManager Instance;
-    [SerializeField]private float money, citizens, wood, stone, metal;
+    [SerializeField]private float money, population, wood, stone, metal;
     // Start is called once before the first execution of Update after the MonoBehaviour is created
     void Awake()
     {
         Instance = this;
+        CalculatePopulation();
     }
     void Start()
     {
-        
+
     }
     // Update is called once per frame
     void Update()
@@ -37,8 +38,8 @@ public class GameManager : MonoBehaviour
             case Resource.ResourceType.Money:
                 money += amountToAdd;
                 break;
-                case Resource.ResourceType.Citizens:
-                citizens += amountToAdd;
+                case Resource.ResourceType.Population:
+                population += amountToAdd;
                 break;
         }
     }
@@ -54,9 +55,19 @@ public class GameManager : MonoBehaviour
                 return metal;
             case Resource.ResourceType.Money:
                 return money;
-            case Resource.ResourceType.Citizens:
-                return citizens;
+            case Resource.ResourceType.Population:
+                return population;
         }
         return 0;
     }
+    public void CalculatePopulation()
+    {
+        NPC[] npcs = FindObjectsByType<NPC>(FindObjectsSortMode.None);
+        AddResource(Resource.ResourceType.Population, npcs.Length);
+    }
+    public Building[] CountBuildings()
+    {
+        Building[] buildings = FindObjectsByType<Building>(FindObjectsSortMode.None);
+        return buildings;
+    }
 }