Add worlds

include/entity.h

@@ -1,25 +1,34 @@
 #ifndef VOID_ENTITY_H
 #define VOID_ENTITY_H
 #include "component.h"
+#include "world.h"
 #include <algorithm>
+#include <cstdint>
 #include <memory>
 #include <utility>
 #include <vector>
 
 namespace VoidFrame {
 
+class World;
+
 class Entity {
 public:
   template <typename CompT, typename... Args>
-  CompT *AddComponent(Args &&...args);
+  Entity *AddComponent(Args &&...args);
   template <typename CompT> CompT *GetComponent();
   template <typename CompT> bool HasComponent();
-  template <typename CompT> void RemoveComponent();
+  template <typename CompT> Entity *RemoveComponent();
 
+  void Destroy();
   void Update();
 
 private:
+  Entity();
   std::vector<std::unique_ptr<Component>> components;
+  World *world;
+
+  friend class World;
 };
 
 #include "../src/entity_i.cpp"

include/world.h

@@ -0,0 +1,18 @@
+#pragma once
+#include "entity.h"
+#include <cstdint>
+#include <memory>
+#include <vector>
+
+namespace VoidFrame {
+
+class World {
+public:
+  Entity *Spawn();
+  void Destroy(Entity *entity);
+
+private:
+  std::vector<std::unique_ptr<Entity>> entities;
+};
+
+} // namespace VoidFrame