Added error checking for config.json

src/ecs/ECS.h

@@ -37,7 +37,8 @@ template <typename T> inline ComponentID getComponentTypeID() noexcept
 }
 
 constexpr std::size_t maxComponents = 32;
-constexpr std::size_t maxGroups =32;
+constexpr std::size_t maxGroups = 32;
+constexpr std::size_t maxEntities = 32;
 
 using ComponentBitSet = std::bitset<maxComponents>;
 using GroupBitset = std::bitset<maxGroups>;
@@ -90,6 +91,14 @@ public:
 	{
 		groupBitset[mGroup] = false;
 	}
+	
+	std::string tag;
+    void setTag(std::string t);
+    
+    Entity* getEntity()
+    {
+       return this; 
+    }
 
 	template <typename T> bool hasComponent() const
 	{
@@ -124,6 +133,7 @@ class Manager
 private:
 	std::vector<std::unique_ptr<Entity>> entities;
 	std::array<std::vector<Entity*>, maxGroups> groupedEntities;
+    std::vector<std::vector<Entity*>> taggedEntities;
 public:
 	void update()
 	{
@@ -159,6 +169,19 @@ public:
 	{
 		groupedEntities[mGroup].emplace_back(mEntity);
 	}
+	
+	std::vector<Entity*> getEntitiesByTag(std::string t)
+    {
+        std::vector<Entity*> taggedEntities;
+        for (int e = 0; e<=entities.size(); e++)
+        {
+            if (entities[e]->tag == t)
+            {
+                taggedEntities.emplace_back(entities[e]->getEntity());
+            }
+        }
+        return taggedEntities;
+    }
 
 	std::vector<Entity*>& getGroup(Group mGroup)
 	{