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#pragma once
#include "StringView.hpp"
#include "Cache.hpp"
#include <SFML/Graphics/VertexArray.hpp>
#include <SFML/Graphics/Font.hpp>
#include <SFML/Graphics/RenderTarget.hpp>
#include <SFML/System/String.hpp>
#include <vector>
namespace dchat
{
class Text
{
public:
Text(const sf::Font *font);
Text(const sf::String &str, const sf::Font *font, unsigned int characterSize, float maxWidth, bool plainText = true);
void setString(const sf::String &str);
void appendStringNewLine(const sf::String &str);
void setPosition(float x, float y);
void setPosition(const sf::Vector2f &position);
void setMaxWidth(float maxWidth);
void setCharacterSize(unsigned int characterSize);
void setFillColor(sf::Color color);
void setLineSpacing(float lineSpacing);
// Warning: won't update until @draw is called
float getHeight() const;
// Performs culling. @updateGeometry is called even if text is not visible if text is dirty, because updateGeometry might change the dimension of the text and make is visible
void draw(sf::RenderTarget &target, Cache &cache);
private:
void stringSplitElements(sf::String &stringToSplit, usize startIndex);
void updateGeometry();
private:
struct TextElement
{
enum class Type
{
TEXT,
EMOJI
};
TextElement() {}
TextElement(const StringViewUtf32 &_text, Type _type) : text(_text), type(_type), ownLine(false) {}
StringViewUtf32 text;
sf::Vector2f position;
Type type;
bool ownLine; // Currently only used for emoji, to make emoji bigger when it's the only thing on a line
};
sf::String str;
const sf::Font *font;
unsigned int characterSize;
sf::VertexArray vertices;
float maxWidth;
sf::Vector2f position;
sf::Color color;
bool dirty;
bool plainText;
float totalHeight;
float lineSpacing;
std::vector<TextElement> textElements;
};
}
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