46 lines
1.0 KiB
C++
46 lines
1.0 KiB
C++
// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Development Kit"
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// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
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#include <Nazara/Core/Error.hpp>
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#include <NDK/StateMachine.hpp>
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#include <utility>
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namespace Ndk
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{
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inline StateMachine::StateMachine(std::shared_ptr<State> originalState) :
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m_currentState(std::move(originalState))
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{
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NazaraAssert(m_currentState, "StateMachine must have a state to begin with");
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m_currentState->Enter(*this);
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}
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inline StateMachine::~StateMachine()
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{
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m_currentState->Leave(*this);
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}
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inline void StateMachine::ChangeState(std::shared_ptr<State> state)
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{
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m_nextState = std::move(state);
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}
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inline const std::shared_ptr<State>& StateMachine::GetCurrentState() const
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{
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return m_currentState;
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}
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inline bool StateMachine::Update(float elapsedTime)
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{
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if (m_nextState)
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{
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m_currentState->Leave(*this);
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m_currentState = std::move(m_nextState);
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m_currentState->Enter(*this);
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}
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return m_currentState->Update(*this, elapsedTime);
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}
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}
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