StateMachine.cpp

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#include "galaxy/error/Log.hpp"
 
#include "StateMachine.hpp"
 
namespace galaxy
{
    namespace state
    {
        StateMachine::StateMachine()
        {
        }
 
        StateMachine::~StateMachine()
        {
            while (!m_stack.empty())
            {
                m_stack.pop();
            }
 
            m_states.clear();
        }
 
        void StateMachine::push(const std::string& key)
        {
            if (m_states.contains(key))
            {
                auto ptr = m_states[key].get();
                ptr->on_push();
 
                m_stack.push(ptr);
            }
            else
            {
                GALAXY_LOG(GALAXY_WARNING, "Tried to push a state that doesnt exist.");
            }
        }
 
        void StateMachine::pop()
        {
            if (m_stack.top() != nullptr)
            {
                m_stack.top()->on_pop();
            }
 
            m_stack.pop();
        }
 
        void StateMachine::update()
        {
            if (m_stack.top() != nullptr)
            {
                m_stack.top()->update();
            }
        }
    } // namespace state
} // namespace galaxy