cube-game-plus-plus/engine/DirectRenderer.h

#ifndef DIRECTRENDERER_H
#define DIRECTRENDERER_H

#include "../math/Matrix3D.h"
#include "Texture.h"
#include "Utils.h"

using namespace std;

class DirectRenderer
{
public:
    DirectRenderer();
    DirectRenderer(const DirectRenderer& orig);
    virtual ~DirectRenderer();
    
    void drawRectangle(float minX, float minY, float maxX, float maxY, float tMinX, float tMinY, float tMaxX, float tMaxY, IntColor c);
    void drawRectangle(float minX, float minY, float maxX, float maxY, IntColor c);
    void drawRectangle(float minX, float minY, float maxX, float maxY, float tMinX, float tMinY, float tMaxX, float tMaxY);
    
    float drawString(float x, float y, bool shadow, string& s);
private:
    float addString(float x, float y, int& index, float* data, const IntColor* color, string& s);
    
    static const int FONTS_LENGTH = 3;
    Texture FONTS[FONTS_LENGTH]
    {
        Texture("resources/font8x8.png"), Texture("resources/font16x16.png"), Texture("resources/font24x24.png")
    };
    
    static const char COLOR_CHAR = '&';

    static const unsigned int FONT_SIZE = 8;
    static const unsigned int LINE_STEP = 1;
    static const unsigned int SHADOW_STEP = 1;
    static const unsigned int MAX_STRING_LENGTH = 1024;
    
    static const int OBJECT_LENGTH = 96;
    static const int BUFFER_LENGTH = 256 * 1024 * OBJECT_LENGTH;

    GLuint vba = 0;
    GLuint vbo = 0;

    unsigned int offset = BUFFER_LENGTH - OBJECT_LENGTH;
};

#endif