C_UIWorldLabel.cpp

#include "C_UIWorldLabel.hpp"
#include "Object.hpp"

C_UIWorldLabel::C_UIWorldLabel(Object* owner) : Component(owner) {}

void C_UIWorldLabel::Start()
{
    const int fontID = owner->context->fontAllocator->Add(owner->context->workingDir->Get() + "sansation.ttf");
    std::shared_ptr<sf::Font> font = owner->context->fontAllocator->Get(fontID);
    text.setFont(*font);
	text.setCharacterSize(64);
}

void C_UIWorldLabel::Draw(Window& window)
{
    window.Draw(background);
    window.Draw(text);
}

bool C_UIWorldLabel::ContinueToDraw() const
{
    return !owner->IsQueuedForRemoval();
}

//TODO: UI elements do not often move so we should not need to query the position every frame
void C_UIWorldLabel::LateUpdate(float deltaTime)
{
    sf::Vector2f pos = owner->transform->GetPosition();
	sf::View view = owner->context->window->GetView();
    //const sf::FloatRect& backBounds = background.getLocalBounds();
	const sf::FloatRect& backBounds = background.getGlobalBounds();
    //const sf::Vector2f centeredPosition = sf::Vector2f(pos.x - (backBounds.width * 0.5f), pos.y - (backBounds.height * 0.5f));

	sf::Vector2f centeredPosition = sf::Vector2f(view.getCenter());
	centeredPosition.x -= 200;
    
    background.setPosition(centeredPosition);
    text.setPosition(centeredPosition);
	float maxalive = 2.0f;
	float holdtime =  1.0f;
	

	

	
	
	if (holding)
	{
		aliveTimer += deltaTime;
		if (aliveTimer > holdtime)
		{
			holding = false;
			aliveTimer = 0;
		}
	}
	else
	{
		aliveTimer += deltaTime;
		float t = aliveTimer / maxalive;
		float lerp = t * 255;
		int color = 255 - lerp;

		if (color < 0) color = 0;

		text.setFillColor(sf::Color(255, 255, 255, color));
	}


	if (aliveTimer > maxalive)
	{
		owner->QueueForRemoval();
	}

	
}

void C_UIWorldLabel::SetText(const std::string& text)
{
    this->text.setString(text);
}

void C_UIWorldLabel::SetBackgroundSize(const sf::Vector2f& size)
{
    background.setSize(size);
}

void C_UIWorldLabel::SetFontColour(const sf::Color& colour)
{
    text.setFillColor(colour);
    text.setOutlineColor(colour);
}

void C_UIWorldLabel::SetBackgroundColour(const sf::Color& colour)
{
    background.setFillColor(colour);
}