1 files changed, 37 insertions, 0 deletions

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+#ifndef SYSTEM_MANAGER_H_544E6056
+#define SYSTEM_MANAGER_H_544E6056
+
+#include <list>
+#include <memory>
+#include <map>
+#include <typeindex>
+#include "system.h"
+
+class SystemManager {
+  private:
+    std::list<std::unique_ptr<System>> loop;
+    std::map<std::type_index, System*> systems;
+
+  public:
+    template <class T, class... Args>
+    void emplaceSystem(Game& game, Args&&... args)
+    {
+      std::unique_ptr<T> ptr = std::unique_ptr<T>(new T(game, std::forward<Args>(args)...));
+      std::type_index systemType = typeid(T);
+      
+      systems[systemType] = ptr.get();
+      loop.push_back(std::move(ptr));
+    }
+    
+    template <class T>
+    T& getSystem()
+    {
+      std::type_index systemType = typeid(T);
+      
+      assert(systems.count(systemType) == 1);
+      
+      return *((T*)systems[systemType]);
+    }
+};
+
+#endif /* end of include guard: SYSTEM_MANAGER_H_544E6056 */