StateMachine.hpp

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#ifndef CORE_INCLUDE_STATEMACHINE_HPP
#define CORE_INCLUDE_STATEMACHINE_HPP
 
#include "CoreEngine.hpp"
 
class StateMachine {
public:
  virtual void init() = 0;
  virtual void cleanup() = 0;
 
  // Not needed in every state, so no need to make pure virtual
  virtual void pause() = 0;
  virtual void resume() = 0;
 
  virtual void handleEvents(CoreEngine *engine) = 0;
  virtual void update(CoreEngine *engine) = 0;
  virtual void draw(CoreEngine *engine) = 0;
 
  void changeState(CoreEngine *engine, StateMachine *state) {
    engine->changeState(state);
  }
 
protected:
  StateMachine() {}
};
 
#endif // CORE_INCLUDE_STATEMACHINE_HPP