FStateFactory.h

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#pragma once
 
#include <state/FState.h>
#include <state/IStateFactory.h>
 
template <typename T>
class FStateFactory : public IStateFactory
{
public:
    FStateFactory(T& obj)
        : mState(obj)
    {
    }
 
    ~FStateFactory() override
    {
    }
 
    IState* buildWithInitialize(const StateID& state_id) override
    {
        mState.setStateID(static_cast<const FStateID<T>*>(&state_id));
        mState.initialize();
        return &mState;
    }
 
    void disposeWithFinalize(IState*& state) override
    {
        mState.finalize();
        mState.setStateID(nullptr);
        state = nullptr;
    }
 
    IState* build(const StateID& state_id) override
    {
        mState.setStateID(static_cast<const FStateID<T>*>(&state_id));
        return &mState;
    }
 
    void dispose(IState*& state) override
    {
        mState.setStateID(nullptr);
        state = nullptr;
    }
 
    void initializeState(IState* state) override
    {
        static_cast<FState<T>*>(state)->initialize();
    }
 
protected:
    FState<T>   mState;
};