63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
// Copyright (C) 2023 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Core module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_CORE_STATEMACHINE_HPP
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#define NAZARA_CORE_STATEMACHINE_HPP
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#include <NazaraUtils/Prerequisites.hpp>
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#include <Nazara/Core/State.hpp>
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#include <Nazara/Core/Time.hpp>
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#include <memory>
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#include <vector>
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namespace Nz
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{
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class StateMachine
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{
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public:
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inline StateMachine(std::shared_ptr<State> originalState);
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StateMachine(const StateMachine&) = delete;
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inline StateMachine(StateMachine&& fsm) = default;
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inline ~StateMachine();
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inline void ChangeState(std::shared_ptr<State> state);
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inline bool IsTopState(const State* state) const;
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inline void PopState();
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inline void PopStatesUntil(std::shared_ptr<State> state);
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inline void PushState(std::shared_ptr<State> state);
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inline void ResetState(std::shared_ptr<State> state);
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inline bool Update(Time elapsedTime);
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inline StateMachine& operator=(StateMachine&& fsm) = default;
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StateMachine& operator=(const StateMachine&) = delete;
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private:
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enum class TransitionType
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{
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Pop,
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PopUntil,
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Push,
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};
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struct StateTransition
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{
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TransitionType type;
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std::shared_ptr<State> state;
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};
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std::vector<std::shared_ptr<State>> m_states;
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std::vector<StateTransition> m_transitions;
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};
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}
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#include <Nazara/Core/StateMachine.inl>
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#endif // NAZARA_CORE_STATEMACHINE_HPP
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