State_Intro.cpp

#include "State_Intro.hpp"
#include "StateManager.hpp"

State_Intro::State_Intro(StateManager* l_stateManager)
	: BaseState(l_stateManager){}

State_Intro::~State_Intro(){}

void State_Intro::OnCreate(){
	m_timePassed = 0.0f;

	sf::Vector2u windowSize = m_stateMgr->GetContext()->m_wind->GetRenderWindow()->getSize();

	m_introTexture.loadFromFile("intro.png");
	m_introSprite.setTexture(m_introTexture);
	m_introSprite.setOrigin(m_introTexture.getSize().x / 2.0f,
		m_introTexture.getSize().y / 2.0f);

	m_introSprite.setPosition(windowSize.x / 2.0f, 0);

	m_font.loadFromFile("arial.ttf");
	m_text.setFont(m_font);
	m_text.setString({ "Press SPACE to continue" });
	m_text.setCharacterSize(15);
	sf::FloatRect textRect = m_text.getLocalBounds();
	m_text.setOrigin(textRect.left + textRect.width / 2.0f,
		textRect.top + textRect.height / 2.0f);
	m_text.setPosition(windowSize.x / 2.0f, windowSize.y / 2.0f);

	EventManager* evMgr = m_stateMgr->GetContext()->m_eventManager;
	evMgr->AddCallback(StateType::Intro,"Intro_Continue",&State_Intro::Continue,this);
}

void State_Intro::OnDestroy(){
	EventManager* evMgr = m_stateMgr->GetContext()->m_eventManager;
	evMgr->RemoveCallback(StateType::Intro,"Intro_Continue");
}

void State_Intro::Update(const sf::Time& l_time){
	if(m_timePassed < 5.0f){ // Less than five seconds.
		m_timePassed += l_time.asSeconds();
		m_introSprite.setPosition(
			m_introSprite.getPosition().x,
			m_introSprite.getPosition().y + (48 * l_time.asSeconds()));
	}
}

void State_Intro::Draw(){
	sf::RenderWindow* window = m_stateMgr->GetContext()->m_wind->GetRenderWindow();

	window->draw(m_introSprite);
	if(m_timePassed >= 5.0f){
		window->draw(m_text);
	}
}

void State_Intro::Continue(EventDetails* l_details){
	if(m_timePassed >= 5.0f){
		m_stateMgr->SwitchTo(StateType::MainMenu);
		m_stateMgr->Remove(StateType::Intro);
	}
}

void State_Intro::Activate(){}
void State_Intro::Deactivate(){}