coffee_crisis/source/text.cpp

#include "const.h"
#include "text.h"

// Constructor
Text::Text(LTexture *texture, SDL_Renderer *renderer)
{
	mSprite = new Sprite();
	mSprite->setTexture(texture);
	mSprite->setRenderer(renderer);
}

// Destructor
Text::~Text()
{
	delete mSprite;
	mSprite = nullptr;
}

// Inicializador
void Text::init(Uint8 type, Uint8 size)
{
	// Inicializa variables
	mType = type;
	mSize = size;

	// Inicia los valores del sprite que dibuja las letras
	mSprite->setWidth(size);
	mSprite->setHeight(size);
	mSprite->setPosX(0);
	mSprite->setPosY(0);
	mSprite->setSpriteClip(0, 0, mSprite->getWidth(), mSprite->getHeight());

	// Cadena con los caracteres ascii que se van a inicializar
	const std::string text = " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ{\\[]]^_`abcdefghijklmnopqrstuvwxyz";

	// Inicializa a cero el vector con las coordenadas
	for (int i = 0; i < 128; i++)
	{
		mOffset[i].x = 0;
		mOffset[i].y = 0;
		mOffset[i].w = 0;
	}

	// Establece las coordenadas para cada caracter ascii de la cadena y su ancho
	for (int i = 0; i < text.length(); ++i)
	{
		mOffset[int(text[i])].x = ((int(text[i]) - 32) % 15) * mSprite->getWidth();
		mOffset[int(text[i])].y = ((int(text[i]) - 32) / 15) * mSprite->getHeight();
		if (type == TEXT_FIXED)
			mOffset[int(text[i])].w = size;
	}

	// Establece las coordenadas de forma manual para la ñ y la ç
	mOffset[int('^')].x = mOffset[int('z')].x + size;
	mOffset[int('^')].y = mOffset[int('z')].y;
	mOffset[int('^')].w = size;

	mOffset[int('~')].x = mOffset[int('z')].x + size * 2;
	mOffset[int('~')].y = mOffset[int('z')].y;
	mOffset[int('~')].w = size;

	// Establece el ancho de cada caracter
	if (type == TEXT_VARIABLE)
	{
		mOffset[int(' ')].w = 7;
		mOffset[int('-')].w = 6;
		mOffset[int('/')].w = 5;
		mOffset[int('(')].w = 5;
		mOffset[int(')')].w = 5;
		mOffset[int('.')].w = 4;
		mOffset[int(':')].w = 4;
		mOffset[int('#')].w = 7;
		mOffset[int('!')].w = 7;
		mOffset[int('\'')].w = 3;

		mOffset[int('0')].w = 7;
		mOffset[int('1')].w = 5;
		mOffset[int('2')].w = 7;
		mOffset[int('3')].w = 7;
		mOffset[int('4')].w = 7;
		mOffset[int('5')].w = 7;
		mOffset[int('6')].w = 7;
		mOffset[int('7')].w = 7;
		mOffset[int('8')].w = 7;
		mOffset[int('9')].w = 7;

		mOffset[int('A')].w = 7;
		mOffset[int('B')].w = 7;
		mOffset[int('C')].w = 7;
		mOffset[int('D')].w = 7;
		mOffset[int('E')].w = 7;
		mOffset[int('F')].w = 7;
		mOffset[int('G')].w = 7;
		mOffset[int('H')].w = 7;
		mOffset[int('I')].w = 4;
		mOffset[int('J')].w = 6;
		mOffset[int('K')].w = 8;
		mOffset[int('L')].w = 6;
		mOffset[int('M')].w = 9;
		mOffset[int('N')].w = 8;
		mOffset[int('O')].w = 8;
		mOffset[int('P')].w = 7;
		mOffset[int('Q')].w = 8;
		mOffset[int('R')].w = 7;
		mOffset[int('S')].w = 6;
		mOffset[int('T')].w = 8;
		mOffset[int('U')].w = 7;
		mOffset[int('V')].w = 8;
		mOffset[int('W')].w = 9;
		mOffset[int('X')].w = 8;
		mOffset[int('Y')].w = 8;
		mOffset[int('Z')].w = 7;

		mOffset[int('^')].w = 7;
		mOffset[int('~')].w = 7;


		mOffset[int('a')].w = 7;
		mOffset[int('b')].w = 7;
		mOffset[int('c')].w = 6;
		mOffset[int('d')].w = 7;
		mOffset[int('e')].w = 7;
		mOffset[int('f')].w = 5;
		mOffset[int('g')].w = 7;
		mOffset[int('h')].w = 7;
		mOffset[int('i')].w = 4;
		mOffset[int('j')].w = 5;
		mOffset[int('k')].w = 7;
		mOffset[int('l')].w = 4;
		mOffset[int('m')].w = 10;
		mOffset[int('n')].w = 7;
		mOffset[int('o')].w = 7;
		mOffset[int('p')].w = 7;
		mOffset[int('q')].w = 7;
		mOffset[int('r')].w = 6;
		mOffset[int('s')].w = 6;
		mOffset[int('t')].w = 5;
		mOffset[int('u')].w = 7;
		mOffset[int('v')].w = 7;
		mOffset[int('w')].w = 9;
		mOffset[int('x')].w = 7;
		mOffset[int('y')].w = 7;
		mOffset[int('z')].w = 7;
	}
}

// Escribe texto en pantalla
void Text::write(int x, int y, std::string text, int kerning, int lenght)
{
	Uint16 shift = 0;

	if (lenght == -1)
		lenght = text.length();

	for (int i = 0; i < lenght; ++i)
	{
		mSprite->setSpriteClip(mOffset[int(text[i])].x, mOffset[int(text[i])].y, mSprite->getWidth(), mSprite->getHeight());
		mSprite->setPosX(x + shift);
		mSprite->setPosY(y);
		mSprite->render();
		shift += (mOffset[int(text[i])].w + kerning);
	}
}

// Escribe el texto con colores
void Text::writeColored(int x, int y, std::string text, color_t color, int kerning, int lenght)
{
	mSprite->getTexture()->setColor(color.r, color.g, color.b);
	write(x, y, text, kerning, lenght);
	mSprite->getTexture()->setColor(255, 255, 255);
}

// Escribe el texto con sombra
void Text::writeShadowed(int x, int y, std::string text, color_t color, Uint8 shadowDistance, int kerning, int lenght)
{
	mSprite->getTexture()->setColor(color.r, color.g, color.b);
	write(x + shadowDistance, y + shadowDistance, text, kerning, lenght);
	mSprite->getTexture()->setColor(255, 255, 255);
	write(x, y, text, kerning, lenght);
}

// Escribe el texto centrado en un punto x
void Text::writeCentered(int x, int y, std::string text, int kerning, int lenght)
{
	x -= (Text::lenght(text, kerning) / 2);
	write(x, y, text, kerning, lenght);
}

// Escribe texto con extras
void Text::writeDX(Uint8 flags, int x, int y, std::string text, int kerning, color_t textColor, Uint8 shadowDistance, color_t shadowColor, int lenght)
{
	const bool centered = ((flags & TXT_CENTER) == TXT_CENTER);
	const bool shadowed = ((flags & TXT_SHADOW) == TXT_SHADOW);
	const bool colored = ((flags & TXT_COLOR) == TXT_COLOR);

	if (centered)
		x -= (Text::lenght(text, kerning) / 2);

	if (shadowed)
		writeColored(x + shadowDistance, y + shadowDistance, text, shadowColor, kerning, lenght);

	if (colored)
		writeColored(x, y, text, textColor, kerning, lenght);
	else
		write(x, y, text, kerning, lenght);
}

// Obtiene la longitud en pixels de una cadena
Uint16 Text::lenght(std::string text, int kerning)
{
	Uint16 shift = 0;

	for (int i = 0; i < text.length(); ++i)
		shift += (mOffset[int(text[i])].w + kerning);

	return shift;
}

// Obtiene el valor de la variable
Uint8 Text::getType()
{
	return mType;
}

// Establece el valor de la variable
void Text::setType(Uint8 type)
{
	mType = type;
}

// Obtiene el valor de la variable
Uint8 Text::getSize()
{
	return mSize;
}

// Establece el valor de la variable
void Text::setSize(Uint8 size)
{
	mSize = size;
}